Acute and Critical Care

Original Articles

Epidemiology
Development of a deep learning model for predicting critical events in a pediatric intensive care unit: In Kyung Lee, Bongjin Lee, June Dong Park; Acute Crit Care. 2024;39(1):186-191. Published online February 20, 2024; DOI: https://doi.org/10.4266/acc.2023.01424; Correction in: Acute Crit Care 2024;39(2):330

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Background
Identifying critically ill patients at risk of cardiac arrest is important because it offers the opportunity for early intervention and increased survival. The aim of this study was to develop a deep learning model to predict critical events, such as cardiopulmonary resuscitation or mortality.
Methods
This retrospective observational study was conducted at a tertiary university hospital. All patients younger than 18 years who were admitted to the pediatric intensive care unit from January 2010 to May 2023 were included. The main outcome was prediction performance of the deep learning model at forecasting critical events. Long short-term memory was used as a deep learning algorithm. The five-fold cross validation method was employed for model learning and testing.
Results
Among the vital sign measurements collected during the study period, 11,660 measurements were used to develop the model after preprocessing; 1,060 of these data points were measurements that corresponded to critical events. The prediction performance of the model was the area under the receiver operating characteristic curve (95% confidence interval) of 0.988 (0.9751.000), and the area under the precision-recall curve was 0.862 (0.700–1.000).
Conclusions
The performance of the developed model at predicting critical events was excellent. However, follow-up research is needed for external validation.

Citations

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Impacto de la inteligencia artificial en la predicción de eventos críticos en las unidades de cuidados intensivos: implicaciones para la práctica y la toma de decisiones en enfermería
Joao Andrés Cujilan Guamán, Nicole Elizabeth Chele Sudiaga, Víctor Alfonso Gavilanes Burnhan, Jenny Verónica Tacle Flores, Ruth Alexandra Boza Ruiz
Prohominum.2025; 7(2): 209. CrossRef

CPR/Resuscitation
Prognostic significance of respiratory quotient in patients undergoing extracorporeal cardiopulmonary resuscitation in Korea: Yun Im Lee, Ryoung-Eun Ko, Soo Jin Na, Jeong-Am Ryu, Yang Hyun Cho, Jeong Hoon Yang, Chi Ryang Chung, Gee Young Suh; Acute Crit Care. 2023;38(2):190-199. Published online May 25, 2023; DOI: https://doi.org/10.4266/acc.2022.01438

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Abstract PDF

Background
Respiratory quotient (RQ) may be used as a tissue hypoxia marker in various clinical settings but its prognostic significance in patients undergoing extracorporeal cardiopulmonary resuscitation (ECPR) is not known.
Methods
Medical records of adult patients admitted to the intensive care units after ECPR in whom RQ could be calculated from May 2004 to April 2020 were retrospectively reviewed. Patients were divided into good neurologic outcome and poor neurologic outcome groups. Prognostic significance of RQ was compared to other clinical characteristics and markers of tissue hypoxia.
Results
During the study period, 155 patients were eligible for analysis. Of them, 90 (58.1%) had a poor neurologic outcome. The group with poor neurologic outcome had a higher incidence of out-of-hospital cardiac arrest (25.6% vs. 9.2%, P=0.010) and longer cardiopulmonary resuscitation to pump-on time (33.0 vs. 25.2 minutes, P=0.001) than the group with good neurologic outcome. For tissue hypoxia markers, the group with poor neurologic outcome had higher RQ (2.2 vs. 1.7, P=0.021) and lactate levels (8.2 vs. 5.4 mmol/L, P=0.004) than the group with good neurologic outcome. On multivariable analysis, age, cardiopulmonary resuscitation to pump-on time, and lactate levels above 7.1 mmol/L were significant predictors for a poor neurologic outcome but not RQ.
Conclusions
In patients who received ECPR, RQ was not independently associated with poor neurologic outcome.

Citations

Citations to this article as recorded by

Risk factors for neurological disability outcomes in patients under extracorporeal membrane oxygenation following cardiac arrest: An observational study
Amir Vahedian-Azimi, Ibrahim Fawzy Hassan, Farshid Rahimi-Bashar, Hussam Elmelliti, Anzila Akbar, Ahmed Labib Shehata, Abdulsalam Saif Ibrahim, Ali Ait Hssain
Intensive and Critical Care Nursing.2024; 83: 103674. CrossRef
What factors are effective on the CPR duration of patients under extracorporeal cardiopulmonary resuscitation: a single-center retrospective study
Amir Vahedian-Azimi, Ibrahim Fawzy Hassan, Farshid Rahimi-Bashar, Hussam Elmelliti, Anzila Akbar, Ahmed Labib Shehata, Abdulsalam Saif Ibrahim, Ali Ait Hssain
International Journal of Emergency Medicine.2024;[Epub] CrossRef
Extracorporeal cardiopulmonary resuscitation for out-of-hospital cardiac arrest and in-hospital cardiac arrest with return of spontaneous circulation: be careful when comparing apples to oranges
Hwa Jin Cho, In Seok Jeong, Jan Bělohlávek
Acute and Critical Care.2023; 38(2): 242. CrossRef

CPR/Resuscitation
Cardiopulmonary resuscitation of infants at birth: predictable or unpredictable?: Mohammad Reza Zarkesh, Raheleh Moradi, Azam Orooji; Acute Crit Care. 2022;37(3):438-453. Published online August 29, 2022; DOI: https://doi.org/10.4266/acc.2021.01501

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Abstract PDF

Background
Anticipating the need for at-birth cardiopulmonary resuscitation (CPR) in neonates is very important and complex. Timely identification and rapid CPR for neonates in the delivery room significantly reduce mortality and other neurological disabilities. The aim of this study was to create a prediction system for identifying the need for at-birth CPR in neonates based on Machine Learning (ML) algorithms.
Methods
In this study, 3,882 neonatal medical records were retrospectively reviewed. A total of 60 risk factors was extracted, and five ML algorithms of J48, Naïve Bayesian, multilayer perceptron, support vector machine (SVM), and random forest were compared to predict the need for at-birth CPR in neonates. Two types of resuscitation were considered: basic and advanced CPR. Using five feature selection algorithms, features were ranked based on importance, and important risk factors were identified using the ML algorithms.
Results
To predict the need for at-birth CPR in neonates, SVM using all risk factors reached 88.43% accuracy and F-measure of 88.4%, while J48 using only the four first important features reached 90.89% accuracy and F-measure of 90.9%. The most important risk factors were gestational age, delivery type, presentation, and mother’s addiction.
Conclusions
The proposed system can be useful in predicting the need for CPR in neonates in the delivery room.

Citations

Citations to this article as recorded by

Anticipating the Need for Advanced Resuscitation in Newborns: A 10-Year Retrospective Case-Control Study
Maria Sousa Dias, Mariana Meneses, Monica Calado Araujo, Joana Moreno, Ana Azevedo, Sara Peixoto, Claudia Ferraz
Pediatric Oncall.2025;[Epub] CrossRef

Ethics
Changes in the incidence of cardiopulmonary resuscitation before and after implementation of the Life-Sustaining Treatment Decisions Act: Hyunjae Im, Hyun Woo Choe, Seung-Young Oh, Ho Geol Ryu, Hannah Lee; Acute Crit Care. 2022;37(2):237-246. Published online February 24, 2022; DOI: https://doi.org/10.4266/acc.2021.01095

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Abstract PDF Supplementary Material

Background
The Life-Sustaining Treatment (LST) Decisions Act allows withholding and withdrawal of LST, including cardiopulmonary resuscitation (CPR). In the present study, the incidence of CPR before and after implementation of the Act was compared.
Methods
This was a retrospective review involving hospitalized patients who underwent CPR at a single center between February 2016 and January 2020 (pre-implementation period, February 2016 to January 2018; post-implementation period, February 2018 to January 2020). The primary outcome was monthly incidence of CPR per 1,000 admissions. The secondary outcomes were duration of CPR, return of spontaneous circulation (ROSC) rate, 24-hour survival rate, and survival-to-discharge rate. The study outcomes were compared before and after implementation of the Act.
Results
A total of 867 patients who underwent CPR was included in the analysis. The incidence of CPR per 1,000 admissions showed no significant difference before and after implementation of the Act (3.02±0.68 vs. 2.81±0.75, P=0.255). The ROSC rate (67.20±0.11 vs. 70.99±0.12, P=0.008) and survival to discharge rate (20.24±0.09 vs. 22.40±0.12, P=0.029) were higher after implementation of the Act than before implementation.
Conclusions
The incidence of CPR did not significantly change for 2 years after implementation of the Act. Further studies are needed to assess the changes in trends in the decisions of CPR and other LSTs in real-world practice.

Citations

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Characteristics and outcomes of patients with do-not-resuscitate and physician orders for life-sustaining treatment in a medical intensive care unit: a retrospective cohort study
Song-I Lee, Ye-Rin Ju, Da Hyun Kang, Jeong Eun Lee
BMC Palliative Care.2024;[Epub] CrossRef
For the Universal Right to Access Quality End-of-Life Care in Korea: Broadening Our Perspective After the 2018 Life-Sustaining Treatment Decisions Act
Hye Yoon Park, Min Sun Kim, Shin Hye Yoo, Jung Lee, In Gyu Song, So Yeon Jeon, Eun Kyung Choi
Journal of Korean Medical Science.2024;[Epub] CrossRef
Changes in Pediatric End-of-Life Process After the Enforcement of the Act on Life-Sustaining Treatment Decisions—The Experience of a Single Children’s Hospital
Da-Eun Roh, Jung-Eun Kwon, Young-Tae Lim, Yeo-Hyang Kim
Healthcare.2024; 12(21): 2156. CrossRef
Comparison of the end-of-life decisions of patients with hospital-acquired pneumonia after the enforcement of the life-sustaining treatment decision act in Korea
Ae-Rin Baek, Sang-Bum Hong, Soohyun Bae, Hye Kyeong Park, Changhwan Kim, Hyun-Kyung Lee, Woo Hyun Cho, Jin Hyoung Kim, Youjin Chang, Heung Bum Lee, Hyun-Il Gil, Beomsu Shin, Kwang Ha Yoo, Jae Young Moon, Jee Youn Oh, Kyung Hoon Min, Kyeongman Jeon, Moon S
BMC Medical Ethics.2023;[Epub] CrossRef
Will implementation of the Life-sustaining Treatment Decisions Act reduce the incidence of cardiopulmonary resuscitation?
In-Ae Song
Acute and Critical Care.2022; 37(2): 256. CrossRef
Effect of life-sustaining treatment decision law on pediatric in-hospital cardiopulmonary resuscitation rate: A Korean population-based study
Jaeyoung Choi, Ah Young Choi, Esther Park, Meong Hi Son, Joongbum Cho
Resuscitation.2022; 180: 38. CrossRef

Rapid response system
Analysis of avoidable cardiopulmonary resuscitation incidents with a part-time rapid response system in place: Jun Yeun Cho, Dong Seon Lee, Yun Young Choi, Jong Sun Park, Young-Jae Cho, Ho Il Yoon, Jae Ho Lee, Choon-Taek Lee, Yeon Joo Lee; Acute Crit Care. 2021;36(2):109-117. Published online April 16, 2021; DOI: https://doi.org/10.4266/acc.2020.01095

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Abstract PDF Supplementary Material

Background
Although a rapid response system (RRS) can reduce the incidence of cardiopulmonary resuscitation (CPR) in general wards, avoidable CPR cases still occur. This study aimed to investigate the incidence and causes of avoidable CPR.
Methods
We retrospectively reviewed the medical records of all adult patients who received CPR between April 2013 and March 2016 (35 months) at a tertiary teaching hospital where a part-time RRS was introduced in October 2012. Four experts reviewed all of the CPR cases and determined whether each event was avoidable.
Results
A total of 192 CPR cases were identified, and the incidence of CPR was 0.190 per 1,000 patient admissions. Of these, 56 (29.2%) were considered potentially avoidable, with the most common cause being doctor error (n=32, 57.1%), followed by delayed do-not-resuscitate (DNR) placement (n=12, 21.4%) and procedural complications (n=5, 8.9%). The percentage of avoidable CPR was significantly lower in the RRS operating time group than in the RRS non-operating time group (20.7% vs. 35.5%; P=0.026). Among 44 avoidable CPR events (excluding cases related to DNR issues), the rapid response team intervened in only three cases (6.8%), and most of the avoidable CPR cases (65.9%) occurred during the non-operating time.
Conclusions
A significant number of avoidable CPR events occurred with a well-functioning, part-time RRS in place. However, RRS operation does appear to lower the occurrence of avoidable CPR. Thus, it is necessary to extend RRS operation time and modify RRS activation criteria. Moreover, policy and cultural changes are needed prior to implementing a full-time RRS.

Citations

Citations to this article as recorded by

The effect of nurses' perceptions and satisfaction with hospital rapid response teams on burnout related to emergency situations in Korea: a cross-sectional study
Bumin Kim, Nahyun Kim
Journal of Korean Biological Nursing Science.2025; 27(2): 234. CrossRef
Changes in the incidence of cardiopulmonary resuscitation before and after implementation of the Life-Sustaining Treatment Decisions Act
Hyunjae Im, Hyun Woo Choe, Seung-Young Oh, Ho Geol Ryu, Hannah Lee
Acute and Critical Care.2022; 37(2): 237. CrossRef
A Review of the Commercially Available ECG Detection and Transmission Systems—The Fuzzy Logic Approach in the Prevention of Sudden Cardiac Arrest
Michał Lewandowski
Micromachines.2021; 12(12): 1489. CrossRef

Rapid response system
Effectiveness of a daytime rapid response system in hospitalized surgical ward patients: Eunjin Yang, Hannah Lee, Sang-Min Lee, Sulhee Kim, Ho Geol Ryu, Hyun Joo Lee, Jinwoo Lee, Seung-Young Oh; Acute Crit Care. 2020;35(2):77-86. Published online May 13, 2020; DOI: https://doi.org/10.4266/acc.2019.00661

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Background
Clinical deteriorations during hospitalization are often preventable with a rapid response system (RRS). We aimed to investigate the effectiveness of a daytime RRS for surgical hospitalized patients.
Methods
A retrospective cohort study was conducted in 20 general surgical wards at a 1,779-bed University hospital from August 2013 to July 2017 (August 2013 to July 2015, pre-RRS-period; August 2015 to July 2017, post-RRS-period). The primary outcome was incidence of cardiopulmonary arrest (CPA) when the RRS was operating. The secondary outcomes were the incidence of total and preventable cardiopulmonary arrest, in-hospital mortality, the percentage of “do not resuscitate” orders, and the survival of discharged CPA patients.
Results
The relative risk (RR) of CPA per 1,000 admissions during RRS operational hours (weekdays from 7 AM to 7 PM) in the post-RRS-period compared to the pre-RRS-period was 0.53 (95% confidence interval [CI], 0.25 to 1.13; P=0.099) and the RR of total CPA regardless of RRS operating hours was 0.76 (95% CI, 0.46 to 1.28; P=0.301). The preventable CPA after RRS implementation was significantly lower than that before RRS implementation (RR, 0.31; 95% CI, 0.11 to 0.88; P=0.028). There were no statistical differences in in-hospital mortality and the survival rate of patients with in-hospital cardiac arrest. Do-not-resuscitate decisions significantly increased during after RRS implementation periods compared to pre-RRS periods (RR, 1.91; 95% CI, 1.40 to 2.59; P<0.001).
Conclusions
The day-time implementation of the RRS did not significantly reduce the rate of CPA whereas the system effectively reduced the rate of preventable CPA during periods when the system was operating.

Citations

Citations to this article as recorded by

The effect of nurses' perceptions and satisfaction with hospital rapid response teams on burnout related to emergency situations in Korea: a cross-sectional study
Bumin Kim, Nahyun Kim
Journal of Korean Biological Nursing Science.2025; 27(2): 234. CrossRef
Development and Validation of a Machine Learning Algorithm Using Clinical Pages to Predict Imminent Clinical Deterioration
Bryan D. Steitz, Allison B. McCoy, Thomas J. Reese, Siru Liu, Liza Weavind, Kipp Shipley, Elise Russo, Adam Wright
Journal of General Internal Medicine.2024; 39(1): 27. CrossRef
Effects of a Rapid Response Team on Patient Outcomes: A Systematic Review
Qiuxia Zhang, Khuan Lee, Zawiah Mansor, Iskasymar Ismail, Yi Guo, Qiao Xiao, Poh Ying Lim
Heart & Lung.2024; 63: 51. CrossRef
Development and Validation of a Deep Learning Model for Prediction of Adult Physiological Deterioration
Supreeth P. Shashikumar, Joshua Pei Le, Nathan Yung, James Ford, Karandeep Singh, Atul Malhotra, Shamim Nemati, Gabriel Wardi
Critical Care Explorations.2024; 6(9): e1151. CrossRef
Clinical significance of acute care surgery system as a part of hospital medical emergency team for hospitalized patients
Kyoung Won Yoon, Kyoungjin Choi, Keesang Yoo, Eunmi Gil, Chi-Min Park
Annals of Surgical Treatment and Research.2023; 104(1): 43. CrossRef
The associations between rapid response systems and their components with patient outcomes: A scoping review
Rebecca J. Piasecki, Cheryl R. Dennison Himmelfarb, Kelly T. Gleason, Rachel M. Justice, Elizabeth A. Hunt
International Journal of Nursing Studies Advances.2023; 5: 100134. CrossRef
Changes in the incidence of cardiopulmonary resuscitation before and after implementation of the Life-Sustaining Treatment Decisions Act
Hyunjae Im, Hyun Woo Choe, Seung-Young Oh, Ho Geol Ryu, Hannah Lee
Acute and Critical Care.2022; 37(2): 237. CrossRef
Estructura y función de los equipos de respuesta rápida para la atención de adultos en contextos hospitalarios de alta complejidad: Revisión sistemática de alcance
Juliana Vanessa Rincón-López, Diego Larrotta-Castillo, Kelly Estrada-Orozco, Hernando Gaitán-Duarte
Revista Colombiana de Obstetricia y Ginecología.2021; 72(2): 171. CrossRef
Characteristics and Prognosis of Hospitalized Patients at High Risk of Deterioration Identified by the Rapid Response System: a Multicenter Cohort Study
Sang Hyuk Kim, Ji Young Hong, Youlim Kim
Journal of Korean Medical Science.2021;[Epub] CrossRef
Effects of a Rapid Response Team on the Clinical Outcomes of Cardiopulmonary Resuscitation of Patients Hospitalized in General Wards
Mi-Jung Yoon, Jin-Hee Park
Journal of Korean Academy of Fundamentals of Nursing.2021; 28(4): 491. CrossRef

Pediatric
Effects of the presence of a pediatric intensivist on treatment in the pediatric intensive care unit: Jung Eun Kwon, Da Eun Roh, Yeo Hyang Kim; Acute Crit Care. 2020;35(2):87-92. Published online May 12, 2020; DOI: https://doi.org/10.4266/acc.2019.00752

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Abstract PDF

Background
There are few studies on the effect of intensivist staffing in pediatric intensive care units (PICUs) in Korea. We aimed to evaluate the effect of pediatric intensivist staffing on treatment outcomes in a Korean hospital PICU.
Methods
We analyzed two time periods according to pediatric intensivist staffing: period 1, between November 2015 to January 2017 (no intensivist staffing, n=97) and period 2, between February 2017 to February 2018 (intensivists staffing, n=135).
Results
Median age at admission was 5.4 years (range, 0.7–10.3 years) in period 1 and 3.6 years (0.2–5.1 years) in period 2 (P=0.013). The bed occupancy rate decreased in period 2 (75%; 73%–88%) compared to period 1 (89%; 81%–94%; P=0.015). However, the monthly bed turnover rate increased in period 2 (2.2%; 1.9%–2.7%) compared to period 1 (1.5%, 1.1%– 1.7%; P=0.005). In both periods, patients with chronic neurologic illness were the most common. Patients with cardiovascular problems were more prevalent in period 2 than period 1 (P=0.008). Daytime admission occurred more frequently in period 2 than period 1 (63% vs. 39%, P<0.001). The length of PICU stay, parameters related with mechanical ventilation and tracheostomy, and pediatric Sequential Organ Failure Assessment score were not different between periods. Sudden cardiopulmonary resuscitations occurred in two cases during period 1, but no case occurred during period 2.
Conclusions
Pediatric intensivist staffing in the PICU may affect efficient ICU operations.

Citations

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The impact of pediatric intensivists on the management of pediatric diabetic ketoacidosis in pediatric intensive care units
Ah Young Choi, Esther Park
BMC Pediatrics.2023;[Epub] CrossRef
Impact of staffing model conversion from a mandatory critical care consultation model to a closed unit model in the medical intensive care unit
Sung Jun Ko, Jaeyoung Cho, Sun Mi Choi, Young Sik Park, Chang-Hoon Lee, Chul-Gyu Yoo, Jinwoo Lee, Sang-Min Lee, Robert Jeenchen Chen
PLOS ONE.2021; 16(10): e0259092. CrossRef
Intensivists in the pediatric intensive care unit: conductors for better operational efficiency
June Dong Park
Acute and Critical Care.2020; 35(2): 115. CrossRef

Review Article

CPR/Resuscitation
Role of extracorporeal cardiopulmonary resuscitation in adults: Hongsun Kim, Yang Hyun Cho; Acute Crit Care. 2020;35(1):1-9. Published online February 29, 2020; DOI: https://doi.org/10.4266/acc.2020.00080

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Abstract PDF

Extracorporeal cardiopulmonary resuscitation (ECPR) has been performed with increasing frequency worldwide to improve the low survival rate of conventional cardiopulmonary resuscitation (CCPR). Several studies have shown that among patients who experience in-hospital cardiac arrest, better survival outcomes and neurological outcomes can be expected after ECPR than after CCPR. However, studies have not clearly shown a short-term survival benefit of ECPR for patients who experience out-of-hospital cardiac arrest. Favorable outcomes are associated with a shorter low-flow time, an initial shockable rhythm, lower serum lactate levels, higher blood pH, and a lower Sequential Organ Failure Assessment score. Indications for ECPR include young age, witnessed arrest with bystander cardiopulmonary resuscitation, an initial shockable rhythm, correctable causes such as a cardiac etiology, and no return of spontaneous circulation within 10–20 minutes of CCPR. ECPR is a complex intervention that requires a highly trained team, specialized equipment, and multidisciplinary support within a healthcare system, and it has the risk of several life-threatening complications. Therefore, physicians should carefully select patients for ECPR who can gain the most benefit, instead of applying ECPR indiscriminately.

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Andrea M Elliott, Sean van Diepen, Steven M Hollenberg, Samuel Bernard
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The Korean Journal of Thoracic and Cardiovascular Surgery.2020; 53(5): 277. CrossRef

Original Article

Rapid response system
Effect of a rapid response system on code rates and in-hospital mortality in medical wards: Hong Yeul Lee, Jinwoo Lee, Sang-Min Lee, Sulhee Kim, Eunjin Yang, Hyun Joo Lee, Hannah Lee, Ho Geol Ryu, Seung-Young Oh, Eun Jin Ha, Sang-Bae Ko, Jaeyoung Cho; Acute Crit Care. 2019;34(4):246-254. Published online November 29, 2019; DOI: https://doi.org/10.4266/acc.2019.00668

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Abstract PDF

Background
To determine the effects of implementing a rapid response system (RRS) on code rates and in-hospital mortality in medical wards.
Methods
This retrospective study included adult patients admitted to medical wards at Seoul National University Hospital between July 12, 2016 and March 12, 2018; the sample comprised 4,224 patients admitted 10 months before RRS implementation and 4,168 patients admitted 10 months following RRS implementation. Our RRS only worked during the daytime (7 AM to 7 PM) on weekdays. We compared code rates and in-hospital mortality rates between the preintervention and postintervention groups.
Results
There were 62.3 RRS activations per 1,000 admissions. The most common reasons for RRS activation were tachypnea or hypopnea (44%), hypoxia (31%), and tachycardia or bradycardia (21%). Code rates from medical wards during RRS operating times significantly decreased from 3.55 to 0.96 per 1,000 admissions (adjusted odds ratio [aOR], 0.29; 95% confidence interval [CI], 0.10 to 0.87; P=0.028) after RRS implementation. However, code rates from medical wards during RRS nonoperating times did not differ between the preintervention and postintervention groups (2.60 vs. 3.12 per 1,000 admissions; aOR, 1.23; 95% CI, 0.55 to 2.76; P=0.614). In-hospital mortality significantly decreased from 56.3 to 42.7 per 1,000 admissions after RRS implementation (aOR, 0.79; 95% CI, 0.64 to 0.97; P=0.024).
Conclusions
Implementation of an RRS was associated with significant reductions in code rates during RRS operating times and in-hospital mortality in medical wards.

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Review Article

CPR/Resuscitation
Management of post-cardiac arrest syndrome: Youngjoon Kang; Acute Crit Care. 2019;34(3):173-178. Published online August 31, 2019; DOI: https://doi.org/10.4266/acc.2019.00654

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Abstract PDF

Post-cardiac arrest syndrome is a complex and critical issue in resuscitated patients undergone cardiac arrest. Ischemic-reperfusion injury occurs in multiple organs due to the return of spontaneous circulation. Bundle of management practicies are required for post-cardiac arrest care. Early invasive coronary angiography should be considered to identify and treat coronary artery obstructive disease. Vasopressors such as norepinephrine and dobutamine are the first-line treatment for shock. Maintainance of oxyhemoglobin saturation greater than 94% but less than 100% is recommended to avoid fatality. Target temperature therapeutic hypothermia helps to resuscitated patients. Strict temperature control is required and is maintained with the help of cooling devices and monitoring the core temperature. Montorings include electrocardiogram, oxymetry, capnography, and electroencephalography (EEG) along with blood pressue, temprature, and vital signs. Seizure should be treated if EEG shows evidence of seizure or epileptiform activity. Clinical neurologic examination and magnetic resonance imaging are considered to predict neurological outcome. Glycemic control and metabolic management are favorable for a good neurological outcome. Recovery from acute kidney injury is essential for survival and a good neurological outcome.

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Case Report

CPR/Resuscitation
Acute aortic dissection developed after cardiopulmonary resuscitation: transesophageal echocardiographic observations and proposed mechanism of injury: Dong Keon Lee, Kyung Sik Kang, Yong Sung Cha, Kyoung-Chul Cha, Hyun Kim, Kang Hyun Lee, Sung Oh Hwang; Acute Crit Care. 2019;34(3):228-231. Published online April 26, 2018; DOI: https://doi.org/10.4266/acc.2015.00633

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Abstract PDF Supplementary Material

There has been no report about aortic dissection due to cardiopulmonary resuscitation (CPR). We present here a case of acute aortic dissection as a rare complication of CPR and propose the potential mechanism of injury on the basis of transesophageal echocardiographic observations. A 54-year-old man presented with cardiac arrest after choking and received 19 minutes of CPR in the emergency department. Transesophageal echocardiography (TEE) during CPR revealed a focal separation of the intimal layer at the descending thoracic aorta without evidence of aortic dissection. After restoration of spontaneous circulation, hemorrhagic cardiac tamponade developed. Follow-up TEE to investigate the cause of cardiac tamponade revealed aortic dissection of the descending thoracic aorta. Hemorrhagic cardiac tamponade was thought to be caused by myocardial hemorrhage from CPR.

Citations

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Thoracic Aortic Rupture Post Cardiopulmonary Resuscitation in a Patient With Previous Thoracic Aneurysm Repair
Aniekeme S Etuk, Olanrewaju F Adeniran , Bernard I Nkwocha, Nformbuh Asangmbeng, Mina Jacob
Cureus.2023;[Epub] CrossRef
Cardiac Arrest as an Uncommon Manifestation of Late Type A Aortic Dissection Associated with Transcatheter Aortic Valve Replacement
Jan Naar, Dagmar Vondrakova, Andreas Kruger, Marek Janotka, Iva Zemanova, Martin Syrucek, Petr Neuzil, Petr Ostadal
Journal of Clinical Medicine.2023; 12(16): 5318. CrossRef
Blunt Thoracic Aortic Injury and Contemporary Management Strategy
Ranjan Dahal, Yogesh Acharya, Alan H. Tyroch, Debabrata Mukherjee
Angiology.2022; 73(6): 497. CrossRef
Resuscitative endovascular occlusion of the aorta (REBOA) as a mechanical method for increasing the coronary perfusion pressure in non-traumatic out-of-hospital cardiac arrest patients
Dong-Hyun Jang, Dong Keon Lee, You Hwan Jo, Seung Min Park, Young Taeck Oh, Chang Woo Im
Resuscitation.2022; 179: 277. CrossRef
Blunt traumatic aortic dissection death by falling: an autopsy case report
Gentaro Yamasaki, Marie Sugimoto, Takeshi Kondo, Motonori Takahashi, Mai Morichika, Azumi Kuse, Kanako Nakagawa, Yasuhiro Ueno, Migiwa Asano
Forensic Science, Medicine and Pathology.2022; 19(3): 388. CrossRef
Intra-arrest transesophageal echocardiography during cardiopulmonary resuscitation
Sung Oh Hwang, Woo Jin Jung, Young-Il Roh, Kyoung-Chul Cha
Clinical and Experimental Emergency Medicine.2022; 9(4): 271. CrossRef
Intra-arrest transoesophageal echocardiographic findings and resuscitation outcomes
Woo Jin Jung, Kyoung-Chul Cha, Yong Won Kim, Yoon Seop Kim, Young-Il Roh, Sun Ju Kim, Hye Sim Kim, Sung Oh Hwang
Resuscitation.2020; 154: 31. CrossRef
Aortic Rupture as a Complication of Cardiopulmonary Resuscitation
Prashanth Venkatesh, Edward J. Schenck
JACC: Case Reports.2020; 2(8): 1150. CrossRef

Original Article

Cardiology/Emergency
Five-year Experience of Extracorporeal Life Support in Emergency Physicians: Yong Soo Cho, Kyoung Hwan Song, Byung Kook Lee, Kyung Woon Jeung, Yong Hun Jung, Dong Hun Lee, Sung Min Lee; Korean J Crit Care Med. 2017;32(1):52-59. Published online February 28, 2017; DOI: https://doi.org/10.4266/kjccm.2016.00885

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Abstract PDF

Background
This study aimed to present our 5-year experience of extracorporeal cardiopulmonary resuscitation (ECPR) performed by emergency physicians.
Methods
We retrospectively analyzed 58 patients who underwent ECPR between January 2010 and December 2014. The primary parameter analyzed was survival to hospital discharge. The secondary parameters analyzed were neurologic outcome at hospital discharge, cannulation time, and ECPR-related complications.
Results
Thirty-one patients (53.4%) were successfully weaned from extracorporeal membrane oxygenation, and 18 (31.0%) survived to hospital discharge. Twelve patients (20.7%) were discharged with good neurologic outcomes. The median cannulation time was 25.0 min (interquartile range 20.0-31.0 min). Nineteen patients (32.8%) had ECPR-related complications, the most frequent being distal limb ischemia. Regarding the initial presentation, 52 patients (83.9%) collapsed due to a cardiac etiology, and acute myocardial infarction (33/62, 53.2%) was the most common cause of cardiac arrest.
Conclusions
The survival to hospital discharge rate for cardiac arrest patients who underwent ECPR conducted by an emergency physician was within the acceptable limits. The cannulation time and complications following ECPR were comparable to those found in previous studies.

Citations

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Extracorporeal cardiopulmonary resuscitation location, coronary angiography and survival in out-of-hospital cardiac arrest
Yoonjic Kim, Jeong Ho Park, Sun Young Lee, Young Sun Ro, Ki Jeong Hong, Kyoung Jun Song, Sang Do Shin
The American Journal of Emergency Medicine.2023; 64: 142. CrossRef
Extracorporeal cardiopulmonary resuscitation for adult out-of-hospital cardiac arrest patients: time-dependent propensity score-sequential matching analysis from a nationwide population-based registry
Yeongho Choi, Jeong Ho Park, Joo Jeong, Yu Jin Kim, Kyoung Jun Song, Sang Do Shin
Critical Care.2023;[Epub] CrossRef
Time from arrest to extracorporeal cardiopulmonary resuscitation and survival after out‐of‐hospital cardiac arrest
Jeong Ho Park, Kyoung Jun Song, Sang Do Shin, Young Sun Ro, Ki Jeong Hong
Emergency Medicine Australasia.2019; 31(6): 1073. CrossRef
Pre-hospital extra-corporeal cardiopulmonary resuscitation
Ben Singer, Joshua C. Reynolds, David J. Lockey, Ben O’Brien
Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine.2018;[Epub] CrossRef

Case Reports

Thoracic surgery
Aortic Dissection in a Survivor after Cardiopulmonary Resuscitation: Jeong-Sun Lee, Suk-Kyung Hong; Korean J Crit Care Med. 2017;32(2):218-222. Published online December 29, 2016; DOI: https://doi.org/10.4266/kjccm.2016.00416

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Abstract PDF

We describe a case of traumatic aortic dissection associated with cardiac compression in a patient with anaphylactic cardiac arrest who underwent cardiopulmonary resuscitation (CPR). A 54-year-old man who was scheduled to undergo surgery for gastric cancer went into cardiac arrest caused by an anaphylactic reaction to prophylactic antibiotics in the operating room. Veno-arterial extracorporeal membrane oxygenation (ECMO) was performed. CPR, including chest compressions, was performed for 35 min, and the patient was transferred to the intensive care unit (ICU) after spontaneous circulation returned. The patient received ECMO for 9 hours until confirmation of normal cardiac function on transthoracic echocardiography (TTE). Twenty days after cardiac arrest, an aortic dissection and fractures in the left fourth and fifth ribs due to chest compression were detected by abdominal computed tomography. The DeBakey type III aortic dissection extended from the distal arch of the thoracic aorta to the proximal level of the renal artery, involving the celiac trunk. It was considered an uncomplicated type B aortic dissection with no sign of malperfusion of the major vessels. This case demonstrates the potential traumatic injuries that can occur after CPR and encourages proper management of mechanical complications in cardiac arrest survivors.

Citations

Citations to this article as recorded by

Blunt traumatic aortic dissection death by falling: an autopsy case report
Gentaro Yamasaki, Marie Sugimoto, Takeshi Kondo, Motonori Takahashi, Mai Morichika, Azumi Kuse, Kanako Nakagawa, Yasuhiro Ueno, Migiwa Asano
Forensic Science, Medicine and Pathology.2022; 19(3): 388. CrossRef
A Case of an Aortic Dissection After Mechanical Chest Compression by LUCAS
Karen Ho, David Kopriva, Payam Dehghani
JACC: Case Reports.2020; 2(12): 1984. CrossRef
Cardiac arrest after topical application of lidocaine during microneedling procedure: A rare case
Morteza Safi, Isa Khaheshi, Fatemeh Mottaghizadeh, Mohammadreza Tabary, Nasser Malekpour Alamdari
Dermatologic Therapy.2020;[Epub] CrossRef

Cardiology/Pediatric
Suspected Pulmonary Embolism during Hickman Catheterization in a Child: What Else Should Be Considered besides Pulmonary Embolism?: Haemi Lee, Jonghyun Baek, Sangyoung Park, Daelim Jee; Korean J Crit Care Med. 2016;31(1):63-67. Published online February 29, 2016; DOI: https://doi.org/10.4266/kjccm.2016.31.1.63

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Abstract PDF: A 16-month-old girl with acute lymphoblastic leukemia expired during Hickman catheter insertion. She had undergone chemoport insertion of the left subclavian vein six months earlier and received five cycles of chemotherapy. Due to malfunction of the chemoport and the consideration of hematopoietic stem cell transplantation, insertion of a Hickmann catheter on the right side and removal of the malfunctioning chemoport were planned under general anesthesia. The surgery was uneventful during catheter insertion, but the patient experienced the sudden onset of pulseless electrical activity just after saline was flushed through the newly inserted catheter. Cardiopulmonary resuscitation was commenced aggressively, but the patient was refractory. Migration of a thrombus generated by the previous central catheter to the pulmonary circulation was suspected, resulting in a pulmonary embolism.

Original Articles

Pulmonary
The Adequacy of a Conventional Mechanical Ventilator as a Ventilation Method during Cardiopulmonary Resuscitation: A Manikin Study: Hong Joon Ahn, Kun Dong Kim, Won Joon Jeong, Jun Wan Lee, In Sool Yoo, Seung Ryu; Korean J Crit Care Med. 2015;30(2):89-94. Published online May 31, 2015; DOI: https://doi.org/10.4266/kjccm.2015.30.2.89

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Abstract PDF

BACKGROUND
We conducted this study to verify whether a mechanical ventilator is adequate for cardiopulmonary resuscitation (CPR). Background: We conducted this study to verify whether a mechanical ventilator is adequate for cardiopulmonary resuscitation (CPR). Methods: A self-inflating bag resuscitator and a mechanical ventilator were used to test two experimental models: Model 1 (CPR manikin without chest compression) and Model 2 (CPR manikin with chest compression). Model 2 was divided into three subgroups according to ventilator pressure limits (Plimit). The self-inflating bag resuscitator was set with a ventilation rate of 10 breaths/min with the volume-marked bag-valve procedure. The mode of the mechanical ventilator was set as follows: volume-controlled mandatory ventilation of tidal volume (Vt) 600 mL, an inspiration time of 1.2 seconds, a constant flow pattern, a ventilation rate of 10 breaths/minute, a positive end expiratory pressure of 3 cmH2O and a maximum trigger limit. Peak airway pressure (Ppeak) and Vt were measured by a flow analyzer. Ventilation adequacy was determined at a Vt range of 400-600 mL with a Ppeak of ≤ 50 cmH2O. Results: In Model 1, Vt and Ppeak were in the appropriate range in the ventilation equipments. In Model 2, for the self-inflating bag resuscitator, the adequate Vt and Ppeak levels were 17%, and the Ppeak adequacy was 20% and the Vt was 65%. For the mechanical ventilator, the adequate Vt and Ppeak levels were 85%; the Ppeak adequacy was 85%; and the Vt adequacy was 100% at 60 cmH2O of Plimit. Conclusions: In a manikin model, a mechanical ventilator was superior to self-inflating bag resuscitator for maintaining adequate ventilation during chest compression.

Citations

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Manual Ventilation Performance With Safety Device in Normal Versus Decreased Lung Compliance: A Single-Center Simulation Study
Prasanna Kumar, Rachel Culbreth, Douglas S. Gardenhire, Arthur S. Slutsky, Ying J. Wu, Mark C. Kendall, Mark F. Brady
Respiratory Care.2025; 70(5): 566. CrossRef
Humans vs. Machines: Mechanical Compression Devices and Their Appropriate Application in the Management of Cardiac Arrest
Emilia Clementi, Anirudh Chitale, Brian J. O’Neil, Anthony T. Lagina
Current Emergency and Hospital Medicine Reports.2023; 11(4): 133. CrossRef
Manual vs. mechanical ventilation in patients with advanced airway during CPR
Muthapillai Senthilnathan, Ramya Ravi, Srinivasan Suganya, Ranjith Kumar Sivakumar
Indian Heart Journal.2022; 74(5): 428. CrossRef
Effects of Changes in Inspiratory Time on Inspiratory Flowrate and Airway Pressure during Cardiopulmonary Resuscitation: A Manikin-Based Study
Jung Ju Lee, Su Yeong Pyo, Ji Han Lee, Gwan Jin Park, Sang Chul Kim, Hoon Kim, Suk Woo Lee, Young Min Kim, Hyun Seok Chai
Kosin Medical Journal.2021; 36(2): 100. CrossRef
Changes in peak inspiratory flow rate and peak airway pressure with endotracheal tube size during chest compression
Jung Wan Kim, Jin Woong Lee, Seung Ryu, Jung Soo Park, InSool Yoo, Yong Chul Cho, Hong Joon Ahn
World Journal of Emergency Medicine.2020; 11(2): 97. CrossRef
Mechanical Ventilation During Resuscitation: How Manual Chest Compressions Affect a Ventilator’s Function
Tillmann Speer, Wolfgang Dersch, Björn Kleine, Christian Neuhaus, Clemens Kill
Advances in Therapy.2017; 34(10): 2333. CrossRef

Neurology/Emergency
Acute Physiologic and Chronic Health Examination II and Sequential Organ Failure Assessment Scores for Predicting Outcomes of Out-of-Hospital Cardiac Arrest Patients Treated with Therapeutic Hypothermia: Sung Joon Kim, Yong Su Lim, Jin Seong Cho, Jin Joo Kim, Won Bin Park, Hyuk Jun Yang; Korean J Crit Care Med. 2014;29(4):288-296. Published online November 30, 2014; DOI: https://doi.org/10.4266/kjccm.2014.29.4.288

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Abstract PDF

BACKGROUND
The aim of this study was to assess the relationship between acute physiologic and chronic health examination (APACHE) II and sequential organ failure assessment (SOFA) scores and outcomes of post-cardiac arrest patients treated with therapeutic hypothermia (TH).
METHODS
Out-of-hospital cardiac arrest (OHCA) survivors treated with TH between January 2010 and December 2012 were retrospectively evaluated. We captured all components of the APACHE II and SOFA scores over the first 48 hours after intensive care unit (ICU) admission (0 h). The primary outcome measure was in-hospital mortality and the secondary outcome measure was neurologic outcomes at the time of hospital discharge. Receiver-operating characteristic and logistic regression analysis were used to determine the predictability of outcomes with serial APACHE II and SOFA scores.
RESULTS
A total of 138 patients were enrolled in this study. The area under the curve (AUC) for APACHE II scores at 0 h for predicting in-hospital mortality and poor neurologic outcomes (cerebral performance category: 3-5) was more than 0.7, and for SOFA scores from 0 h to 48 h the AUC was less than 0.7. Odds ratios used to determine associations between APACHE II scores from 0 h to 48 h and in-hospital mortality were 1.12 (95% confidence interval [CI], 1.03-1.23), 1.13 (95% CI, 1.04-1.23), and 1.18 (95% CI, 1.07-1.30).
CONCLUSIONS
APACHE II, but not SOFA score, at the time of ICU admission is a modest predictor of in-hospital mortality and poor neurologic outcomes at the time of hospital discharge for patients who have undergone TH after return of spontaneous circulation following OHCA.

Citations

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Multiorgan failure in patients after out of hospital resuscitation: a retrospective single center study
Yaacov Hasin, Yigal Helviz, Sharon Einav
Internal and Emergency Medicine.2024; 19(1): 159. CrossRef

Case Report

Cardiology/Neurology
Intracranial Hemorrhage Identified in the Early Stage after Applying Extracorporeal Membrane Oxygenation to Support Cardiopulmonary Resuscitation: Yong Hwan Kim, Kyoung Yul Lee, Seong Youn Hwang; Korean J Crit Care Med. 2014;29(3):197-200. Published online August 31, 2014; DOI: https://doi.org/10.4266/kjccm.2014.29.3.197

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Abstract PDF: Extracorporeal membrane oxygenation support can extend the duration of cardiopulmonary resuscitation, but neurologic complications may develop. Cardiac arrest is a fairly common complication following severe intracranial hemorrhage; this complication is encountered both out-of-hospital and in-hospital with variable frequency. To prevent cerebral complications, to detect the cause of cardiac arrest, and to guide further treatment, early neuroimaging study is needed. Herein, we report a case of intracranial hemorrhage identified after extracorporeal cardiopulmonary resuscitation, in which the cause of the hemorrhage was not clear.

Original Article

Emergency
Interruption of Chest Compression for Central Venous Catheterization during Cardiopulmonary Resuscitation: Yong Oh Kim, Hyun Soo Park; Korean J Crit Care Med. 2014;29(3):172-176. Published online August 31, 2014; DOI: https://doi.org/10.4266/kjccm.2014.29.3.172

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Abstract PDF

BACKGROUND
Peripheral venous catheterization (PVC) is a less invasive and time consuming technique than central venous catheterization (CVC); however, for patients in circulatory collapse or receiving cardiopulmonary resuscitation (CPR), PVC cannot be achieved easily. CVC can provide not only a more effective administration route for medication, but also important hemodynamic information. Owing to the possibility of CPR interruptions and complications, CVC is recommended only after the failure of PVC. This observational study is aimed to evaluate the risks and benefits of CVC during CPR.
METHODS
This retrospective observational study was performed in the emergency department (ED) of a university hospital. Adult patients without a pulse on arrival were consecutively enrolled if subclavian CVC was performed at the beginning of CPR. Patients who already had an established intravenous route or had severe chest injuries on arrival were excluded. Closed-circuit television was used to evaluate the frequency of compression interruption. The incidence of iatrogenic pneumothorax, an acute mechanical complication associated with subclavian CVC, was investigated using chest X-ray after CPR.
RESULTS
During a 6-month period, 35 patients underwent CPR and 31 of these received subclavian CVC. Among the patients, one patient experienced iatrogenic pneumothorax (3.8%), and 13 CPR interruptions occurred in 10 subjects during subclavian CVC.
CONCLUSIONS
During CPR in 31 patients, one iatrogenic pneumothorax was caused by subclavian CVC, and CPR interruptions were observed in approximately 30% of cases.

Citations

Citations to this article as recorded by

Comparison between internal jugular vein access using midline catheter and peripheral intravenous access during cardiopulmonary resuscitation in adults
Hyun Seok Chai, Young-Min Kim, Gwan Jin Park, Sang Chul Kim, Hoon Kim, Seok Woo Lee, Hyeon Jeong Park, Ji Han Lee
SAGE Open Medicine.2023;[Epub] CrossRef
Femoral venous oxygen saturation obtained during CPR predicts successful resuscitation in a pig model
Mu Jin Kim, Kyung Woon Jeung, Byung Kook Lee, Sung Soo Choi, Sang Wook Park, Kyung Hwan Song, Sung Min Lee, Yong Il Min
The American Journal of Emergency Medicine.2015; 33(7): 941. CrossRef

Case Report

Emergency/Liver
Liver Laceration with Hemoperitoneum after Cardiopulmonary Resuscitation: Jin Wi, Dongho Shin; Korean J Crit Care Med. 2014;29(2):141-143. Published online May 31, 2014; DOI: https://doi.org/10.4266/kjccm.2014.29.2.141

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Abstract PDF

It is well known that external chest compression during cardiopulmonary resuscitation is frequently associated with various complications. These complications predominantly involve trauma to the heart, lungs, and chest wall, whereas cases involving intra-abdominal injury are much less frequent. The present report describes a rare case of a female patient with severe hemoperitoneum associated with liver injury after cardiopulmonary resuscitation. Although emergent angiography and embolization of the hepatic artery were performed and transfusion of various kinds of blood products was done continuously, the patient expired the next day.

Citations

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A rare case of spontaneous hemoperitoneum in a bone marrow transplant recipient on VV-ECMO
Patrick Donabedian, Amir M. Emtiazjoo, Mindaugus Rackauskas, Philip Efron, Cynthia Gries, Melissa Burger, Letitia Bible, Victoria Reams, Marc O. Maybauer, Biplab K. Saha
The American Journal of the Medical Sciences.2025; 369(2): 296. CrossRef
Major liver trauma post-mechanical cardiopulmonary resuscitation—the first reported case of survival with normal cardiovascular and neurological outcome
P Sharma, C Hernandez-Caballero
Oxford Medical Case Reports.2020;[Epub] CrossRef
Subcapsular Hepatic Hematoma after Cardiopulmonary Resuscitation
Song-I Lee
Kosin Medical Journal.2020; 35(2): 156. CrossRef
ICD lead extraction: Not a benign procedure. External chest compression: Not a benign manoeuvre
Federico Sertic, Paolo Bosco, Antonella Ferrara, Patrick Heck, Yasir Abu-Omar
JRSM Cardiovascular Disease.2017;[Epub] CrossRef

Original Articles

Blood Gases during Cardiopulmonary Resuscitation in Predicting Arrest Cause between Primary Cardiac Arrest and Asphyxial Arrest: Sei Jong Bae, Byung Kook Lee, Ki Tae Kim, Kyung Woon Jeung, Hyoung Youn Lee, Yong Hun Jung, Geo Sung Lee, Sun Pyo Kim, Seung Joon Lee; Korean J Crit Care Med. 2013;28(1):33-40.; DOI: https://doi.org/10.4266/kjccm.2013.28.1.33

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Abstract PDF: BACKGROUND
If acid-base status and electrolytes on blood gases during cardiopulmonary resuscitation (CPR) differ between the arrest causes, this difference may aid in differentiating the arrest cause. We sought to assess the ability of blood gases during CPR to predict the arrest cause between primary cardiac arrest and asphyxial arrest.
METHODS
A retrospective study was conducted on adult out-of-hospital cardiac arrest patients for whom blood gas analysis was performed during CPR on emergency department arrival. Patients were divided into two groups according to the arrest cause: a primary cardiac arrest group and an asphyxial arrest group. Acid-base status and electrolytes during CPR were compared between the two groups.
RESULTS
Presumed arterial samples showed higher potassium in the asphyxial arrest group (p < 0.001). On the other hand, presumed venous samples showed higher potassium (p = 0.001) and PCO2 (p < 0.001) and lower pH (p = 0.008) and oxygen saturation (p = 0.01) in the asphyxial arrest group. Multiple logistic regression analyses revealed that arterial potassium (OR 5.207, 95% CI 1.430-18.964, p = 0.012) and venous PCO2 (OR 1.049, 95% CI 1.021-1.078, p < 0.001) were independent predictors of asphyxial arrest. Receiver operating characteristic curve analyses indicated an optimal cut-off value for arterial potassium of 6.1 mEq/L (sensitivity 100% and specificity 86.4%) and for venous PCO2 of 70.9 mmHg (sensitivity 84.6% and specificity 65.9%).
CONCLUSIONS
The present study indicates that blood gases during CPR can be used to predict the arrest cause. These findings should be confirmed through further studies.

Assessment and Training of Teamwork and Leadership for Critical Care Nurses: A Pilot Study: Hyun Jin Kim, Sang Mo Je, Hyun Soo Chung, Sung Phil Chung, Hahn Shick Lee; Korean J Crit Care Med. 2012;27(2):75-81.; DOI: https://doi.org/10.4266/kjccm.2012.27.2.75

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Abstract PDF: BACKGROUND
Teamwork and leadership training have been shown to improve subsequent resuscitation performance in a variety of clinical situations. Critical care nurses, in addition to those who may be part of resuscitation team leaders and members, have also the need for such training. This study examines the teamwork and leadership skills of critical care nurses and their perceptions of the need for teamwork and leadership training.
METHODS
We developed a pilot, interactive 3-hour teamwork, and the leadership training program based on the objectives and teaching methods of the Advanced Life Support (ACLS) course. Participants completed a 1-hour lecture, and discussion for team roles and obstacles, 30 min of script-based role play in resuscitation team training, and finally, a 2-hour simulation-based team training program. Before the completion of the course, participants were anonymously surveyed on the perceived educational value of the teamwork and leadership program. Expert raters reviewed videos of simulated resuscitation events in the course, and scored each video by two existing checklist for the team dynamic.
RESULTS
Fifty-one nurses voluntarily participated and six videotaped simulation were rated by an expert rater. Most of the students believed the course was delivered at an appropriate level for them, and that it is a necessary training in their continuing professional education. The video rated average scores were from 68.5 to 72.9 according to the checklists.
CONCLUSIONS
Critical care nurses can learn teamwork and leadership skills from appropriately designed programs, and believe it is a necessity in their training.

Effect of Cardiac Arrest Team Training Using Script on the Quality of Simulated Resuscitation: Mao Lung Sun, Hyun Jong Kim, Sung Phil Chung, Hahn Shick Lee, Wen Joen Chang; Korean J Crit Care Med. 2012;27(1):5-9.; DOI: https://doi.org/10.4266/kjccm.2012.27.1.5

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Abstract PDF: BACKGROUND
The purpose of this study was to compare the quality of simulated resuscitation between the conventional simulation training group and the script based training group.
METHODS
This was a retrospective analysis of video clips from a previous study of cardiopulmonary resuscitation (CPR) team simulation training. A total of eighty-four video clips were analyzed. Each video clip belonged to either the conventional group or the script group, of either pre-training or post-training. One of the authors analyzed all the video clips. The qualities of resuscitation team plays were compared in terms of the hands-on compression time, the interval to meaningful measures and the number of utterances of the team leader and members.
RESULTS
The hands-on time of the conventional group improved after training whereas that of the script group deteriorated (22.2 vs -7.0 sec, p = 0.009). The time to defibrillation also improved in the conventional group whereas that of the script group deteriorated (-24.0 vs 33.0 sec, p = 0.002). There were no differences in the utterances of team leaders and members between groups and between pre- and post-training.
CONCLUSIONS
This study suggested that the effect of script-based training on quality of CPR was less useful than that of conventional training using simulation and debriefing. Therefore, CPR team training using a script alone should not be recommended.

Adequacy of Epinephrine Administration during Advanced Cardiovascular Life Support in terms of Dosing and Intervals between Doses: Seung Joon Lee, Byung Kook Lee, Kyung Woon Jeung, Hyoung Youn Lee, Tag Heo, Yong Il Min, Jong Geun Yun, Jae Hoon Lim; Korean J Crit Care Med. 2011;26(2):69-77.; DOI: https://doi.org/10.4266/kjccm.2011.26.2.69

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Abstract PDF

BACKGROUND
Consensus guidelines clearly define how epinephrine is administered during cardiopulmonary resuscitation (CPR). In South Korea, it is not known whether epinephrine is administered in accordance with the current advanced cardiovascular life support (ACLS) guidelines during actual practice. We sought to investigate adherence to ACLS guidelines during actual CPR in terms of the dose of epinephrine and the interval between doses.
METHODS
A retrospective review of medical records was performed on 394 adult cardiac arrest patients who received CPR at an emergency room. Data including the duration of CPR, the dose of epinephrine, and the interval between doses was collected from CPR records.
RESULTS
Standard-dose epinephrine (1 mg) was used in 166 of 394 patients (42.1%). In 58.8% of patients, the average between-dose interval was within the 3-5 min recommended in the guidelines, whereas it was shorter than 3 min in 31.4% of patients. As a whole, epinephrine was administered in accordance with the current ACLS guidelines in only 96 of 394 patients (24.4%). Logistic regression analysis revealed the duration of CPR to be an independent factor affecting the use of standard-dose epinephrine and the adequate between-dose interval.
CONCLUSIONS
Epinephrine was not administered according to the ACLS guideline in most patients. A national multi-center study is required to determine whether the poor adherence to the ACLS guideline is a widespread problem. In addition, efforts to improve adherence to the ACLS guideline are required.

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Reply to letter “Improving ROSC with high dose of epinephrine. Are we really?”
Kyung Woon Jeung, Hyun Ho Ryu, Kyung Hwan Song, Byung Kook Lee, Hyoung Youn Lee, Tag Heo, Yong Il Min
Resuscitation.2012; 83(3): e73. CrossRef

A Simulation Study for Quality of Chest Compression Provided by Health Personnel: Jun Mo Yeo, Min Hong Choa, Sang Won Chung, In Byung Kim, Ji Hoon Kang, Kyung Wuk Kim, Jai Woog Ko; Korean J Crit Care Med. 2011;26(2):64-68.; DOI: https://doi.org/10.4266/kjccm.2011.26.2.64

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Abstract PDF

BACKGROUND
Effective chest compression may improve the return of spontaneous circulation and neurologic outcome in arrest victims. For fear of rescuer's fatigue, guidelines for cardiopulmonary resuscitation (CPR) recommended that chest compression (CC) should be switched every 2 minutes, but there is little evidence. We investigated whether health personnel could provide consistent quality of CC for 2 minutes.
METHODS
We recruited prospectively health personnel working on one university hospital. On the day assigned randomly, CPR performance data was collected with use of CPR recording technology. Quality of CPR was calculated every 30 seconds interval. To identify the quality decay, we used repeated measure analysis of variance with SPSS 17.0 for analysis.
RESULTS
We analyzed 8,485 CCs performed by 41 subjects. Total number of CC decayed between 90 to 120 seconds (51.6 +/- 3.3 to 50.8 +/- 3.5, p = 0.020) within recommended range. The ratio of correct depth CC decayed between 90 to 120 seconds, falling from 83.4 +/- 24.9% to 68.3 +/- 38.4% (p = 0.002). The ratio of low depth CC increased significantly over time (10.2 +/- 20.7% to 31.3 +/- 38.5%, p < 0.001).
CONCLUSIONS
Health personnel may provide adequate number of CC for 2 minutes. But, the number of correct depth CC may decay between 90 to 120 seconds. Also the number of low depth CC may increase over time.

Citations

Citations to this article as recorded by

Comparisons of the qualities of chest compression according to various positions of rescuer to patient at the in-hospital cardiopulmonary resuscitation model
Geon-Nam Kim, Seong-Woo Choi, Jin-Yeong Jang, So-Yeon Ryu
The Korean Journal of Emergency Medical Services.2014; 18(1): 7. CrossRef
Comparison on the Quality and fatigue of hands-Only CPR According to the Presence or Absence of Verbal counting by Some Middle-aged Women
Geon-Nam Kim, Sung-Soo Choi, Seong-Woo Choi
Journal of the Korea Academia-Industrial cooperation Society.2013; 14(3): 1320. CrossRef

Case Report

Successful Embolectomy of a Pulmonary Saddle Embolism Post-cesarean Section Complicated by Cardiac Arrest: A Case Report: Jae Jun Lee, Jin Kim, Hyoung Soo Kim, Min Sun Kyung, Eu Sun Ro, Sung Mi Hwang, So Young Lim; Korean J Crit Care Med. 2009;24(3):164-167.; DOI: https://doi.org/10.4266/kjccm.2009.24.3.164

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Abstract PDF: A 41-year-old female underwent an uneventful cesarean section, which was followed by a pulmonary saddle embolism complicated by cardiac arrest. This case shows that successful embolectomy is possible, despite a potentially lethal pulmonary saddle embolism, 34 cm in length, and intra-operative cardiopulmonary resuscitation. We report our case and discuss the anesthetic considerations based on the literature.

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