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Effectiveness of end-expiratory lung volume measurements during the lung recruitment maneuver for patients with atelectasis.
MedLine Citation:
PMID:  23337480     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE: The aim of this study was to determine whether the relative change in the end-expiratory lung volume (EELV) obtained by the recruitment maneuver (RM) can serve as an indicator of the change in the P/F ratio. MATERIALS AND METHODS: The effects of the intermittent stepwise increases in the RM (peak inspiratory pressure, 45, 50, and 55 cm H(2)O) were compared in 21 patients with atelectasis under mechanical ventilation. The EELV, the ratio of arterial oxygen concentration to the fraction of inspired oxygen P/F ratio, and relative change rate (Δ) in these parameters were evaluated after each RM. RESULTS: A greater improvement in the EELV (1157 ± 344 mL vs 1469 ± 396 mL) and P/F ratio (250 ± 99 vs 320 ± 92) was observed after the RM. The ΔEELV was correlated with the ΔP/F ratio (ρ = 0.73, P < .01) and was identified as an accurate predictor of the improvement of the ΔP/F ratio by the receiver operating characteristic curve (the area under the curve, 0.93; P < .01). CONCLUSIONS: These results suggest that the ΔEELV obtained by intermittent stepwise RM can serve as an indicator of the change in the P/F ratio.
Authors:
Susumu Nakahashi; Satoshi Gando; Takehiko Ishikawa; Takeshi Wada; Yuichiro Yanagida; Nobuhiko Kubota; Shinji Uegaki; Mineji Hayakawa; Atsushi Sawamura
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-18
Journal Detail:
Title:  Journal of critical care     Volume:  -     ISSN:  1557-8615     ISO Abbreviation:  J Crit Care     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-22     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 © 2012 Elsevier Inc. All rights reserved.
Affiliation:
Division of Acute and Critical Care Medicine, Department of Anesthesiology and Critical Care Medicine, Hokkaido University Graduate School of Medicine, N15W7 Kita-ku, Sapporo 060-8638, Japan. Electronic address: n14w4@s3.dion.ne.jp.
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