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Rivista di Anestesia, Rianimazione, Terapia Antalgica e Terapia Intensiva

Official Journal of the Italian Society of Anesthesiology, Analgesia, Resuscitation and Intensive Care
Indexed/Abstracted in: Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 2,036

Periodicità: Mensile

ISSN 0375-9393

Online ISSN 1827-1596


Minerva Anestesiologica 2014 Luglio;80(7):805-20


Effectiveness of oral chlorhexidine on nosocomial pneumonia, causative micro-organisms and mortality in critically ill patients: a systematic review and meta-analysis

Silvestri L. 1, Weir I. 2, Gregori D. 3, Taylor N. 4, Zandstra D. F. 5, Van Saene J. J. 4, Van Saene H. K. 4

1 Department of Emergency, Unit of Anesthesia and Intensive Care, Presidio Ospedaliero, Gorizia, Italy;
2 Department of Cardiothoracic Surgery, London Chest Hospital, London, UK;
3 Department of Cardiological, Thoracic and Vascular Sciences, Unit of Biostatistics, Epidemiology and Public Health, University of Padua, Padua, Italy;
4 Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, UK;
5 Department of Intensive Care, Onze Lieve Vrouwe Gasthuis, Amsterdam, The Netherlands

We carried out a systematic review and meta-analysis of randomized trials to explore the effectiveness of oral chlorhexidine on nosocomial pneumonia, causative bacteria, and mortality. PubMed, Embase, and the Cochrane Register of Controlled Trials were searched for randomized trials in critically ill patients receiving oral chlorhexidine. Odds ratios (OR) were pooled with the random effects model. Twenty-two randomized trials including 4277 patients were identified. Chlorhexidine significantly reduced the incidence of nosocomial pneumonia (OR 0.66; 95% confidence interval [CI] 0.51-0.85) and ventilator-associated pneumonia (OR 0.68, 95% CI 0.53-0.87). There was a significant reduction of nosocomial pneumonia due to both Gram-positive (OR 0.41; 95% CI 0.19-0.85) and Gram-negative (OR 0.68; 95% CI 0.51-0.90) bacteria, but only pneumonia due to “normal” flora (OR 0.51; 95% CI 0.33-0.80). The subgroup analysis revealed a significant benefit of chlorhexidine on nosocomial pneumonia in surgical patients only (OR 0.52; 95% CI 0.33-0.82). Mortality was not affected. This review indicates that in critically ill, mainly surgical, patients, oral chlorhexidine reduces nosocomial pneumonia, ventilator-associated pneumonia, nosocomial pneumonia due to Gram-positive and Gram-negative bacteria, and due to “normal” flora, without affecting mortality. Further studies should explore the efficacy of oral chlorhexidine in non-surgical critically ill population.

lingua: Inglese


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