Acute and Critical Care

Sunghoon Park

5 Articles

Infection
Extended-Spectrum beta-Lactamase and Multidrug Resistance in Urinary Sepsis Patients Admitted to the Intensive Care Unit: Bumjoon Kim, Sung Gyun Kim, Seung Soon Lee, Tae Seok Kim, Yong Il Hwang, Seung Hun Jang, Joo Hee Kim, Ki Suck Jung, Sunghoon Park; Korean J Crit Care Med. 2014;29(4):257-265. Published online November 30, 2014; DOI: https://doi.org/10.4266/kjccm.2014.29.4.257

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BACKGROUND
The role of extended-spectrum beta-lactamase (ESBL)-producing or multidrug-resistant (MDR) organisms in patients with sepsis secondary to urinary traction infection (UTI) has not been investigated extensively in the intensive care unit (ICU) setting.
METHODS
Patients with UTI sepsis admitted to the ICU were retrospectively enrolled in this study (January 2009-December 2012). We investigated the impact of ESBL-producing and ESBL-negative MDR organisms on hospital outcome.
RESULTS
In total, 94 patients were enrolled (median age, 73.0 years; female, 81.9%), and ESBL-producing and ESBL-negative MDR organisms accounted for 20.2% (n = 19) and 30.9% (n = 29), respectively. Both patients with ESBL-producing and ESBL-negative MDR organisms were more likely to experience a delay in adequate antibiotic therapy than those with non-ESBL/non-MDR organisms (p < 0.001 and p = 0.032, respectively). However, only patients with ESBL-producing organisms showed a higher mortality rate (ESBL vs. ESBL-negative MDR vs. non-ESBL/non-MDR, 31.6% vs. 10.3%.vs. 10.9%, respectively). In multivariate analyses, ESBL production was significantly associated with hospital mortality (odds ratio, 11.547; 95micro confidence interval, 1.047-127.373), and prior admission was a significant predictor of ESBL production.
CONCLUSIONS
Although both ESBL-producing and ESBL-negative MDR organisms are associated with delayed administration of appropriate antibiotics, only ESBL production is a significant predictor of hospital mortality among patients with UTI sepsis in the ICU setting.

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Worrisome high frequency of extended-spectrum beta-lactamase-producing Escherichia coli in community-acquired urinary tract infections: a case–control study
Franco Castillo-Tokumori, Claudia Irey-Salgado, Germán Málaga
International Journal of Infectious Diseases.2017; 55: 16. CrossRef

Intensivist Physician Staffing in Intensive Care Units: Sunghoon Park, Gee Young Suh; Korean J Crit Care Med. 2013;28(1):1-9.; DOI: https://doi.org/10.4266/kjccm.2013.28.1.1

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Abstract PDF

Despite a shortage of intensivists, there is an increased need for intensivist staffing in intensive care units (ICUs). Western studies showed that the survival rate of critically ill patients improved and the length of ICU stay decreased in "closed" or "high-intensity" ICU, where intensivists dedicated themselves to the ICU and were primary physicians. This system was also associated with an increased compliance of evidence-based medicine and a decreased medical error. The Leapfrog Group and American College of Critical Care Medicine recommend the implementation of intensivist staffing system in the ICU. Although there are still barriers to implement this system, such as the economic burden to hospitals and conflicts among medical staff, intensivist staffing in the ICU is important in terms of timely diagnosis and treatment and multidisciplinary team approach. The presence of intensivists may also increase the efficacy of ICU systems and save treatment cost. Although the "24 hours/7 days intensivist staffing" system may be ideal, recent data showed that high-intensity ICU system during daytime is not inferior to 24-hour intensivist staffing system in terms of hospital mortality. It is especially important to large-scale academic hospitals, where many severely ill patients are treated. However, few ICUs have intensivists who are committed to caring for ICU patients in Korea. Therefore, we have to try to expand this system throughout the whole country. Additionally, the definition of ICU standard, the role of intensivists, and the policy of financial reward also need to be clarified more clearly.

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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 and Critical Care.2020; 35(2): 87. CrossRef
Intensivist as a Surgeon: The Role of a Surgeon in Critical Care Medicine
Kyung Sook Hong
The Ewha Medical Journal.2017; 40(2): 61. CrossRef

Effect of the Neutrophil Elastase Inhibitor on Acute Lung Injury after Pulmonary Resection for Lung Cancer: A Preliminary Study: So Young Park, Sunghoon Park, Kyeongman Jeon, So Yeon Lim, Maeng Real Park, Sueah Kim, Jae Uk Song, Jhin Gook Kim, O Jung Kwon, Gee Young Suh; Korean J Crit Care Med. 2009;24(3):124-128.; DOI: https://doi.org/10.4266/kjccm.2009.24.3.124

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Abstract PDF: BACKGROUND
Acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) are the leading causes of death after lungresection. Neutrophil elastase is thought to be an important mediator in the pathogenesis of ALI. Sivelestat is a new neutrophil elastase inhibitor which may improve the outcome in patients with ALI/ARDS after lung resection. The objective of this study was to determine whether or not sivelestat can reduce mortality in patients with ALI after pulmonary resection for lung cancer.
METHODS
This study was a retrospective case-control study of twenty three patients who developed ALI/ARDS within seven days of lung resection for lung cancer. The control group (n = 12) received standard care, while the sivelestat group (n = 11) received a continuous infusion of sivelestat (0.2 mg/kg/hr) for seven days in addition to standard care.
RESULTS
There was no significant difference in the baseline characteristics between the control and sivelestat groups, except for heart rate. Six of twelve patients (50%) in the control group survived, while seven of twelve patients (64%) survived in the sivelestat group (p = 0.34). There was also no significant difference between the two groups in the progression to ARDS. In the sivelelestat group, survivors had lower APACHE II and SOFA scores than the patients in the control group.
CONCLUSIONS
There was no additional effect of a neutrophil elastase inhibitor in the treatment of ALI after pulmonary resection for lung cancer.

The Prognostic Utility of the Simplified Acute Physiology Score II (SAPS II) and the Sequential Organ Failure Assessment (SOFA) Score for Hemato-Oncology Patients Admitted to the Intensive Care Unit: Sunghoon Park, Won Jung Koh, Man Pyo Chung, Hojoong Kim, O Jung Kwon, Won Ki Kang, Chul Won Jung, Jin Seok Ahn, Gee Young Suh; Korean J Crit Care Med. 2009;24(1):4-10.; DOI: https://doi.org/10.4266/kjccm.2009.24.1.4

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Abstract PDF

BACKGROUND
The prognosis of hemato-oncology (HMO) patients admitted to the intensive care unit (ICU) is poor and predicting the mortality is important for decision making at the time of ICU admission and for administering aggressive treatment.
METHODS
We retrospectively reviewed 309 patients who were admitted to the medical ICU (MICU) at Samsung Medical Center from July in 2005 to June in 2006. We calculated their Simplified Acute Physiology Score II (SAPS II) and the Sequential Organ Failure Assessment (SOFA) score at the time of ICU admission and we investigated the relationship between the two scoring systems and the hospital mortality.
RESULTS
Among the 309 patients, the hospital mortality was 41.2%, and the mean SAPS II/SOFA score at ICU admission was 45.4 +/- 19.5/8.1 +/- 4.6. Seventy-nine (25.6%) patients had hemato-oncological diseases. Their hospital mortality was 65.8%, and the mean SAPS II/SOFA score at the time of ICU admission was 53.9 +/- 18.6/9.7 +/- 4.4, which was higher than that of the non-HMO patients (p = 0.00). The area under the receiver operating characteristic (ROC) curves for the SAPS II/SOFA score for predicting the mortality was 0.794 +/- 0.05/0.785 +/- 0.051 (p = 0.00/p = 0.00) for the HMO patients. There was no significant difference in discrimination ability between the two scoring systems (p > 0.05). None of the HMO patients with a SAPS II/SOFA score of 70/14 or higher survived.
CONCLUSIONS
Both the SAPS II and SOFA scores at the time of ICU admission were similarly effective for predicting the hospital mortality. The two scoring systems could be useful tools for decision making at the time of ICU admission and for administering aggressive treatment.

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Association of Peripheral Lymphocyte Subset with the Severity and Prognosis of Septic Shock
Jin Kyeong Park, Sang-Bum Hong, Chae-Man Lim, Younsuck Koh, Jin Won Huh
The Korean Journal of Critical Care Medicine.2011; 26(1): 13. CrossRef

Diagnosis of Acid-base Imbalance by Stewart's Physicochemical Approach and Mortality Prediction in Severe Burn Patients with Inhalation Injury: Sunghoon Park, Cheol Hong Kim, In Gyu Hyun, Ki Suck Jung; Korean J Crit Care Med. 2006;21(1):17-27.

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Abstract PDF: BACKGROUND
Acid-base derangement are commonly encountered in critically ill patients. This study is to investigate underlying mechanisms of acid-base imbalance and also to examine whether they can predict mortality in burn patients.
METHODS
We retrospectively reviewed 73 severely burned patients who had admitted to burn intensive care unit, from January to July in 2004. All the patients had inhalation injury, identified by bronchoscopic examination. We analyzed the type and nature of the acid-base imbalances from arterial blood gas analysis, electrolytes and other biological tests between survivors and non-survivors for 30 days after admission.
RESULTS
Acidosis was the most common disorder during the early and late hospital periods. Large fractions of those showed decreased strong ion difference (SID), increased anion gap corrected by albumin (AGc) and [Cl-]corrected. Mixed disorder and alkalosis emerged after the 7(th) hospital day. As time went by, albumin, PaO2/FiO2 ratio, pH and SID were more decreased in non-survivors (n=28) than in survivors (n=45) while [Cl-] corrected, alveolar-arterial oxygen tension gradients, peripheral WBC counts and CRP were more increased in non-survivors than in survivors. In the area under the receiver operating characteristic curves for mortality prediction, APACHE II score and % of total body surface area (%TBSA) burn were high: 0.866 (95% CI; 0.785~0.946) for APACHE II score, 0.817 (95% CI; 0.717~0.918) for %TBSA burn.
CONCLUSIONS
In burned patients with inhalation injury, various types of acid-base imbalances and electrolytes abnormalities emerged after resuscitation and so, more careful attentions pursued for correcting underlying acid-base derangement.

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