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Pulmonary
Global and Regional Ventilation during High Flow Nasal Cannula in Patients with Hypoxia
Dong Hyun Lee, Eun Young Kim, Ga Jin Seo, Hee Jung Suh, Jin Won Huh, Sang-Bum Hong, Younsuck Koh, Chae-Man Lim
Acute Crit Care. 2018;33(1):7-15.   Published online January 22, 2018
DOI: https://doi.org/10.4266/acc.2017.00507
Correction in: Acute Crit Care 2021;36(2):173
  • 8,117 View
  • 250 Download
  • 3 Web of Science
  • 3 Crossref
AbstractAbstract PDF
Background
High flow nasal cannula (HFNC) is known to increase global ventilation volume in healthy subjects. We sought to investigate the effect of HFNC on global and regional ventilation patterns in patients with hypoxia.
Methods
Patients were randomized to receive one of two oxygen therapies in sequence: nasal cannula (NC) followed by HFNC or HFNC followed by NC. Global and regional ventilation was assessed using electric impedance tomography.
Results
Twenty-four patients participated. Global tidal variation (TV) in the lung was higher during HFNC (NC, 2,241 ± 1,381 arbitrary units (AU); HFNC, 2,543 ± 1,534 AU; P < 0.001). Regional TVs for four iso-gravitational quadrants of the lung were also all higher during HFNC than NC. The coefficient of variation for the four quadrants of the lung was 0.90 ± 0.61 during NC and 0.77 ± 0.48 during HFNC (P = 0.035). Within the four gravitational layers of the lung, regional TVs were higher in the two middle layers during HFNC when compared to NC. Regional TV values in the most ventral and dorsal layers of the lung were not higher during HFNC compared with NC. The coefficient of variation for the four gravitational layers of the lung were 1.00 ± 0.57 during NC and 0.97 ± 0.42 during HFNC (P = 0.574).
Conclusions
In patients with hypoxia, ventilation of iso-gravitational regions of the lung during HFNC was higher and more homogenized compared with NC. However, ventilation of gravitational layers increased only in the middle layers. (Clinical trials registration number: NCT02943863).

Citations

Citations to this article as recorded by  
  • High-flow nasal cannulae for respiratory support in adult intensive care patients
    Sharon R Lewis, Philip E Baker, Roses Parker, Andrew F Smith
    Cochrane Database of Systematic Reviews.2021;[Epub]     CrossRef
  • Failure of High-Flow Nasal Cannula Therapy in Pneumonia and Non-Pneumonia Sepsis Patients: A Prospective Cohort Study
    Eunhye Kim, Kyeongman Jeon, Dong Kyu Oh, Young-Jae Cho, Sang-Bum Hong, Yeon Joo Lee, Sang-Min Lee, Gee Young Suh, Mi-Hyeon Park, Chae-Man Lim, Sunghoon Park
    Journal of Clinical Medicine.2021; 10(16): 3587.     CrossRef
  • High-flow nasal cannulae for respiratory support in adult intensive care patients
    Sharon R Lewis, Philip E Baker, Roses Parker, Andrew F Smith
    Cochrane Database of Systematic Reviews.2017;[Epub]     CrossRef
Nephrology
Utility of Volume Assessment Using Bioelectrical Impedance Analysis in Critically Ill Patients Receiving Continuous Renal Replacement Therapy: A Prospective Observational Study
Ki Hyun Park, Jung-ho Shin, Jin Ho Hwang, Su Hyun Kim
Korean J Crit Care Med. 2017;32(3):256-264.   Published online August 31, 2017
DOI: https://doi.org/10.4266/kjccm.2017.00136
  • 7,037 View
  • 163 Download
  • 14 Web of Science
  • 16 Crossref
AbstractAbstract PDF
Background
Fluid overload prior to continuous renal replacement therapy (CRRT) is an important prognostic factor. Thus, precise evaluation of fluid status is necessary to treat such patients. In this study, we investigated whether fluid assessment using bioelectrical impedance analysis (BIA) can predict outcomes in critically ill patients requiring CRRT. Methods: A prospective observational study was performed in patients who were admitted to the intensive care unit and who required CRRT. BIA was conducted before CRRT; then, the ratio of extracellular water to total body water (ECW/TBW) was derived to estimate volume status. Results: A total of 31 patients treated with CRRT were included. There were 18 men (58.1%), and the median age was 67 years (interquartile range, 51 to 78 years). Fourteen patients (45.2%) died within 28 days after CRRT initiation. Patients were divided into 16 with ECW/TBW ≥0.41 and 15 with ECW/TBW <0.41. Survival rate within 28 days was different between the two groups (P = 0.044). Cox regression analysis revealed a relationship between ECW/TBW ≥0.41 and 28-day mortality, but it was not statistically significant (hazard ratio, 3.0; 95% confidence interval, 0.9 to 9.8; P = 0.061). Lastly, the area under the curve of ECW/TBW for 28-day mortality was analyzed. The area under the curve of ECW/TBW was 0.73 (95% confidence interval, 0.54 to 0.92), and this was significant (P = 0.037). Conclusions: Fluid status can be assessed using BIA in critically ill patients requiring CRRT, and BIA can predict mortality. Further large trials are needed to confirm the usefulness of BIA in critically ill patients.

Citations

Citations to this article as recorded by  
  • Nutritional management of children with acute kidney injury—clinical practice recommendations from the Pediatric Renal Nutrition Taskforce
    Molly R. Wong Vega, Dana Cerminara, An Desloovere, Fabio Paglialonga, José Renken-Terhaerdt, Johan Vande Walle, Vanessa Shaw, Stella Stabouli, Caroline Elizabeth Anderson, Dieter Haffner, Christina L. Nelms, Nonnie Polderman, Leila Qizalbash, Jetta Tuokko
    Pediatric Nephrology.2023; 38(11): 3559.     CrossRef
  • Ratio of Overhydration and Extracellular Water Versus Ratio of Extracellular Water and Body Cell Mass in the Assessment of Fluid Status in Patients With Acute Kidney Injury Requiring Kidney Replacement Therapy: A Cohort Study
    Buyun Wu, Sufeng Zhang, Junfeng Wang, Wenyan Yan, Min Gao, Yifei Ge, Kang Liu, Xueqiang Xu, Xiangbao Yu, Yamei Zhu, Xianrong Xu, Changying Xing, Huijuan Mao
    Journal of Renal Nutrition.2022; 32(2): 152.     CrossRef
  • Towards Artefact-Free Bio-Impedance Measurements: Evaluation, Identification and Suppression of Artefacts at Multiple Frequencies
    Kanika Dheman, Philipp Mayer, Manuel Eggimann, Michele Magno, Simone Schuerle
    IEEE Sensors Journal.2022; 22(1): 589.     CrossRef
  • The Use of Bioelectrical Impedance Analysis Measures for Predicting Clinical Outcomes in Critically Ill Children
    Zi-Hong Xiong, Xue-Mei Zheng, Guo-Ying Zhang, Meng-Jun Wu, Yi Qu
    Frontiers in Nutrition.2022;[Epub]     CrossRef
  • Applying bio-impedance vector analysis (BIVA) to adjust ultrafiltration rate in critically ill patients on continuous renal replacement therapy: A randomized controlled trial
    Farin Rashid Farokhi, Effat Kalateh, Shadi Shafaghi, Antoine Guillaume Schneider, Seyed Mehdi Mortazavi, Hamidreza Jamaati, Seyed Mohammad Reza Hashemian
    Journal of Critical Care.2022; 72: 154146.     CrossRef
  • Ultrafiltration in critically ill patients treated with kidney replacement therapy
    Raghavan Murugan, Rinaldo Bellomo, Paul M. Palevsky, John A. Kellum
    Nature Reviews Nephrology.2021; 17(4): 262.     CrossRef
  • Kidney Replacement Therapy for Fluid Management
    Vikram Balakumar, Raghavan Murugan
    Critical Care Clinics.2021; 37(2): 433.     CrossRef
  • Assessment of Fluid Status by Bioimpedance Analysis and Central Venous Pressure Measurement and Their Association with the Outcomes of Severe Acute Kidney Injury
    Justina Karpavičiūtė, Inga Skarupskienė, Vilma Balčiuvienė, Rūta Vaičiūnienė, Edita Žiginskienė, Inga Arūnė Bumblytė
    Medicina.2021; 57(6): 518.     CrossRef
  • Usefulness of bioelectrical impedance analysis and ECW ratio as a guidance for fluid management in critically ill patients after operation
    Yoon Ji Chung, Eun Young Kim
    Scientific Reports.2021;[Epub]     CrossRef
  • Bioimpedance as a measure of fluid status in critically ill patients: A systematic review
    Janne M. Madsen, Sine Wichmann, Morten H. Bestle, Theis S. Itenov
    Acta Anaesthesiologica Scandinavica.2021; 65(9): 1155.     CrossRef
  • Bioelectric impedance analysis for body composition measurement and other potential clinical applications in critical illness
    Hanneke Pierre Franciscus Xaverius Moonen, Arthur Raymond Hubert Van Zanten
    Current Opinion in Critical Care.2021; 27(4): 344.     CrossRef
  • Hepatocyte growth factor and soluble cMet levels in plasma are prognostic biomarkers of mortality in patients with severe acute kidney injury
    Lilin Li, Jung Nam An, Jeonghwan Lee, Dong Jin Shin, Shi Mao Zhu, Jin Hyuk Kim, Dong Ki Kim, Dong-Ryeol Ryu, Sejoong Kim, Jung Pyo Lee
    Kidney Research and Clinical Practice.2021; 40(4): 596.     CrossRef
  • Wireless, Artefact Aware Impedance Sensor Node for Continuous Bio-Impedance Monitoring
    Kanika Dheman, Philipp Mayer, Michele Magno, Simone Schuerle
    IEEE Transactions on Biomedical Circuits and Systems.2020; 14(5): 1122.     CrossRef
  • Usefulness of Bioelectrical Impedance Analysis as a Guidance of Fluid Management in Critically Ill Patients after Major Abdomen Surgery; a Single Center, Prospective Cohort Study
    Yoon Ji Chung, Eun Young Kim
    Surgical Metabolism and Nutrition.2020; 11(2): 53.     CrossRef
  • Update on body composition tools in clinical settings: computed tomography, ultrasound, and bioimpedance applications for assessment and monitoring
    Kathleen L. Price, Carrie P. Earthman
    European Journal of Clinical Nutrition.2019; 73(2): 187.     CrossRef
  • Relative Association of Overhydration and Muscle Wasting with Mortality in Hemodialysis Patients: Assessment by Bioelectrical Impedance Analysis
    Eunju Kim, Sang Oh Seo, Yu Bum Choi, Mi Jung Lee, Jeong Eun Lee, Hyung Jong Kim
    The Korean Journal of Medicine.2018; 93(6): 548.     CrossRef

ACC : Acute and Critical Care