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1: Crit Care. 2004 Jun;8(3):163-9. Epub 2003 Oct 22.
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Clinical review: bedside assessment of alveolar recruitment.

Richard JC, Maggiore SM, Mercat A.

Medical Intensive Care Unit, Rouen University Hospital, Rouen, France. Jean-Christophe.Richard@chu-rouen.fr

Recruitment is a dynamic physiological process that refers to the reopening of previously gasless lung units. Cumulating evidence has led to a better understanding of the rules that govern both recruitment and derecruitment during mechanical ventilation of patients with acute respiratory distress syndrome. Therefore not only the positive end-expiratory pressure, but also the tidal volume, the inspired oxygen fraction, repeated tracheal suctioning as well as sedation and paralysis may affect recruitment of acute respiratory distress syndrome lungs that are particularly prone to alveolar instability. In the present article, we review the recently reported data concerning the physiological significance of the pressure-volume curve and its use to assess alveolar recruitment. We also describe alternate techniques that have been proposed to assess recruitment at the bedside. Whether recruitment should be optimized remains an ongoing controversy that warrants further clinical investigation.

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PMID: 15153234 [PubMed - indexed for MEDLINE]

PMCID: PMC468885