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Impact of high-flow nasal cannula oxygen therapy on intensive care unit patients with acute respiratory failure: A prospective observational study.
MedLine Citation:
PMID:  21958974     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE: The purpose of this study was to determine the impact of high-flow nasal cannula oxygen (HFNC) on patients with acute respiratory failure (ARF) in comparison with conventional oxygen therapy. MATERIALS AND METHODS: This was a prospective observational study. Patients with persistent ARF despite oxygen with conventional facemask without indication for immediate intubation were treated with HFNC oxygen. Clinical respiratory parameters and arterial blood gases were compared under conventional and HFNC oxygen therapy. RESULTS: Twenty patients, aged 59 years (38-75 years) and SAPS2 (simplified acute physiology score) 33 (26.5-38), were included in the study. Etiology of ARF was mainly pneumonia (n = 11), sepsis (n = 3), and miscellaneous (n = 6). Use of HFNC enabled a significant reduction of respiratory rate, 28 (26-33) vs 24.5 (23-28.5) breath per minute (P = .006), and a significant increase in oxygen saturation, oxygen saturation as measured by pulse oximetry 93.5% (90-98.5) vs 98.5% (95.5-100) (P = .0003). Use of HFNC significantly increased Pao(2) from 8.73 (7.13-11.13) to 15.27 (9.66-25.6) kPa (P = .001) and moderately increased Paco(2), 5.26 (4.33-5.66) to 5.73 (4.8-6.2) kPa (P = .005) without affecting pH. Median duration of HFNC was 26.5 (17-121) hours. Six patients were secondarily intubated, and 3 died in the intensive care unit. CONCLUSION: Use of HFNC in patients with persistent ARF was associated with significant and sustained improvement of both clinical and biologic parameters.
Authors:
Benjamin Sztrymf; Jonathan Messika; Thomas Mayot; Hugo Lenglet; Didier Dreyfuss; Jean-Damien Ricard
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-9-27
Journal Detail:
Title:  Journal of critical care     Volume:  -     ISSN:  1557-8615     ISO Abbreviation:  -     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-9-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8610642     Medline TA:  J Crit Care     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Inc. All rights reserved.
Affiliation:
Assistance Publique-Hôpitaux de Paris, Hôpital Louis Mourier, Service de Réanimation Médico-chirurgicale, 92700, Colombes, France; UFR de Médecine, Université Paris Diderot-Paris 7 et PRES Sorbonne Paris Cité, 75018, Paris, France.
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