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Prevention of ventilator-associated pneumonia with oral antiseptics: a systematic review and meta-analysis

Sonia Labeau (UGent) , Katrien Van de Vyver (UGent) , Nele Brusselaers (UGent) , Dirk Vogelaers (UGent) and Stijn Blot (UGent)
(2011) LANCET INFECTIOUS DISEASES. 11(11). p.845-854
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Abstract
Background We did a systematic review and random effects meta-analysis of randomised trials to assess the effect of oral care with chlorhexidine or povidone-iodine on the prevalence of ventilator-associated pneumonia versus oral care without these antiseptics in adults. Methods Studies were identified through PubMed, CINAHL, Web of Science, CENTRAL, and complementary manual searches. Eligible studies were randomised trials of mechanically ventilated adult patients receiving oral care with chlorhexidine or povidone-iodine. Relative risks (RR) and 95% CIs were calculated with the Mantel-Haenszel model and heterogeneity was assessed with the 12 test. Findings 14 studies were included (2481 patients), 12 investigating the effect of chlorhexidine (2341 patients) and two of povidone-iodine (140 patients). Overall, antiseptic use resulted in a significant risk reduction of ventilator-associated pneumonia (RR 0.67; 95% CI 0.50-0.88; p=0.004). Chlorhexidine application was shown to be effective (RR 0.72; 95% CI 0.55-0.94; p=0.02), whereas the effect resulting from povidone-iodine remains unclear (RR 0.39; 95% CI 0.11-1.36; p=0.14). Heterogeneity was moderate (I(2)=29%; p=0.16) for the trials using chlorhexidine and high (I(2)=67%; p=0.08) for those assessing povidone-iodine use. Favourable effects were more pronounced in subgroup analyses for 2% chlorhexidine (RR 0.53, 95% CI 0.31-0.91), and in cardiosurgical studies (RR 0.41, 95% CI 0.17-0.98). Interpretation This analysis showed a beneficial effect of oral antiseptic use in prevention of ventilator-associated pneumonia. Clinicians should take these findings into account when providing oral care to intubated patients.
Keywords
POVIDONE-IODINE, 0.2-PERCENT CHLORHEXIDINE, NOSOCOMIAL INFECTIONS, CHLORHEXIDINE GLUCONATE, INTENSIVE-CARE UNITS, RANDOMIZED CONTROLLED-TRIAL, RESPIRATORY-TRACT INFECTIONS, HEART-SURGERY, DECONTAMINATION, RINSE

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Chicago
Labeau, Sonia, Katrien Van de Vyver, Nele Brusselaers, Dirk Vogelaers, and Stijn Blot. 2011. “Prevention of Ventilator-associated Pneumonia with Oral Antiseptics: a Systematic Review and Meta-analysis.” Lancet Infectious Diseases 11 (11): 845–854.
APA
Labeau, S., Van de Vyver, K., Brusselaers, N., Vogelaers, D., & Blot, S. (2011). Prevention of ventilator-associated pneumonia with oral antiseptics: a systematic review and meta-analysis. LANCET INFECTIOUS DISEASES, 11(11), 845–854.
Vancouver
1.
Labeau S, Van de Vyver K, Brusselaers N, Vogelaers D, Blot S. Prevention of ventilator-associated pneumonia with oral antiseptics: a systematic review and meta-analysis. LANCET INFECTIOUS DISEASES. 2011;11(11):845–54.
MLA
Labeau, Sonia, Katrien Van de Vyver, Nele Brusselaers, et al. “Prevention of Ventilator-associated Pneumonia with Oral Antiseptics: a Systematic Review and Meta-analysis.” LANCET INFECTIOUS DISEASES 11.11 (2011): 845–854. Print.
@article{1974210,
  abstract     = {Background We did a systematic review and random effects meta-analysis of randomised trials to assess the effect of oral care with chlorhexidine or povidone-iodine on the prevalence of ventilator-associated pneumonia versus oral care without these antiseptics in adults. 
Methods Studies were identified through PubMed, CINAHL, Web of Science, CENTRAL, and complementary manual searches. Eligible studies were randomised trials of mechanically ventilated adult patients receiving oral care with chlorhexidine or povidone-iodine. Relative risks (RR) and 95\% CIs were calculated with the Mantel-Haenszel model and heterogeneity was assessed with the 12 test. 
Findings 14 studies were included (2481 patients), 12 investigating the effect of chlorhexidine (2341 patients) and two of povidone-iodine (140 patients). Overall, antiseptic use resulted in a significant risk reduction of ventilator-associated pneumonia (RR 0.67; 95\% CI 0.50-0.88; p=0.004). Chlorhexidine application was shown to be effective (RR 0.72; 95\% CI 0.55-0.94; p=0.02), whereas the effect resulting from povidone-iodine remains unclear (RR 0.39; 95\% CI 0.11-1.36; p=0.14). Heterogeneity was moderate (I(2)=29\%; p=0.16) for the trials using chlorhexidine and high (I(2)=67\%; p=0.08) for those assessing povidone-iodine use. Favourable effects were more pronounced in subgroup analyses for 2\% chlorhexidine (RR 0.53, 95\% CI 0.31-0.91), and in cardiosurgical studies (RR 0.41, 95\% CI 0.17-0.98). 
Interpretation This analysis showed a beneficial effect of oral antiseptic use in prevention of ventilator-associated pneumonia. Clinicians should take these findings into account when providing oral care to intubated patients.},
  author       = {Labeau, Sonia and Van de Vyver, Katrien and Brusselaers, Nele and Vogelaers, Dirk and Blot, Stijn},
  issn         = {1473-3099},
  journal      = {LANCET INFECTIOUS DISEASES},
  keyword      = {POVIDONE-IODINE,0.2-PERCENT CHLORHEXIDINE,NOSOCOMIAL INFECTIONS,CHLORHEXIDINE GLUCONATE,INTENSIVE-CARE UNITS,RANDOMIZED CONTROLLED-TRIAL,RESPIRATORY-TRACT INFECTIONS,HEART-SURGERY,DECONTAMINATION,RINSE},
  language     = {eng},
  number       = {11},
  pages        = {845--854},
  title        = {Prevention of ventilator-associated pneumonia with oral antiseptics: a systematic review and meta-analysis},
  url          = {http://dx.doi.org/10.1016/S1473-3099(11)70127.X},
  volume       = {11},
  year         = {2011},
}

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