• Journal of critical care · Aug 2019

    Review Meta Analysis

    Utility of pleural effusion drainage in the ICU: An updated systematic review and META-analysis.

    • Luigi Vetrugno, Elena Bignami, Daniele Orso, Maria Vargas, Giovanni M Guadagnin, Francesco Saglietti, Giuseppe Servillo, Giovanni Volpicelli, Paolo Navalesi, and Tiziana Bove.
    • Division of Anesthesia and Intensive Care Medicine, Department of Medicine, University of Udine, P.le S. Maria della Misericordia 15, 33100 Udine, Italy. Electronic address: luigi.vetrugno@asuiud.sanita.fvg.it.
    • J Crit Care. 2019 Aug 1; 52: 22-32.

    PurposeThe effects on the respiratory or hemodynamic function of drainage of pleural effusion on critically ill patients are not completely understood. First outcome was to evaluate the PiO2/FiO2 (P/F) ratio before and after pleural drainage.Secondary Outcomesevaluation of A-a gradient, End-Expiratory lung volume (EELV), heart rate (HR), mean arterial pressure (mAP), left ventricular end-diastolic volume (LVEDV), stroke volume (SV), cardiac output (CO), ejection fraction (EF), and E/A waves ratio (E/A). A tertiary outcome: evaluation of pneumothorax and hemothorax complications.Materials And MethodsSearches were performed on MEDLINE, EMBASE, COCHRANE LIBRARY, SCOPUS and WEB OF SCIENCE databases from inception to June 2018 (PROSPERO CRD42018105794).ResultsWe included 31 studies (2265 patients). Pleural drainage improved the P/F ratio (SMD: -0.668; CI: -0.947-0.389; p < .001), EELV (SMD: -0.615; CI: -1.102-0.219; p = .013), but not A-a gradient (SMD: 0.218; CI: -0.273-0.710; p = .384). HR, mAP, LVEDV, SV, CO, E/A and EF were not affected. The risks of pneumothorax (proportion: 0.008; CI: 0.002-0.014; p = .138) and hemothorax (proportion: 0.006; CI: 0.001-0.011; p = .962) were negligible.ConclusionsPleural effusion drainage improves oxygenation of critically ill patients. It is a safe procedure. Further studies are needed to assess the hemodynamic effects of pleural drainage.Copyright © 2019 Elsevier Inc. All rights reserved.

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