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A systematic technical review of the systems for the continuous positive airway pressure.
MedLine Citation:
PMID:  23044739     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
CPAP is the application in the airways of continuous positive pressure, close to the positive end expiratory pressure (PEEP). The two common available systems are by a continuous (high/low) flow system and by a mechanical ventilator. Aim of this study was to compare the mechanical performance of the CPAP systems in intubated and not intubated patients. Medical literature databases (MEDLINE and EMBASE) were searched for articles on "clinical trials" and "randomized controlled trials". The following keywords continuous positive airway pressure and CPAP, were combined with any of these keywords: adult, work of breathing, continuous flow, mechanical valve, water valve, balloon reservoir, mechanical ventilator, pressure triggering, flow triggering, lung model, demand valve, equipment. Thirty-two articles (18 human and 14 bench studies) met the inclusion criteria. The continuous flow systems are able to maintain acceptable airway pressure variations during normal breathing. The more recent mechanical ventilators equipped with flow by systems compared to the first one, presented a similar or better work of breathing compared to the continuous flow systems due to the application of a little amount of pressure support. Although the use of a continuous flow is cheaper compared to mechanical ventilators, it does not allow a continuous respiratory monitoring.
Authors:
D Chiumello; A M Esquinas; O Moerer; N Terzi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-05
Journal Detail:
Title:  Minerva anestesiologica     Volume:  -     ISSN:  1827-1596     ISO Abbreviation:  Minerva Anestesiol     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375272     Medline TA:  Minerva Anestesiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
. Dipartimento di Anestesia, Rianimazione e Terapia del Dolore, Fondazione IRCCS Cà Granda -Ospedale Maggiore Policlinico - Milano, Italy - chiumello@libero.it.
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