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Intensive Care Medicine

, Volume 32, Issue 9, pp 1329–1335 | Cite as

Impact of the suctioning system (open vs. closed) on the incidence of ventilation-associated pneumonia: meta-analysis of randomized controlled trials

  • Ralf-Peter Vonberg
  • Tim Eckmanns
  • Tobias Welte
  • Petra Gastmeier
Original

Abstract

Objective

Ventilation-associated pneumonia (VAP) is a serious complication of patients in intensive care units (ICU) who require mechanical ventilation. The choice of suctioning system (open vs. closed) remains unresolved in evidence-based guidelines. This meta-analysis was carried out to analyze the effect of the type of suctioning system on the incidence of VAP.

Design

A search of the literature was used to identify randomized controlled trials addressing this question. A meta-analysis was then performed to calculate the relative risk of ventilation-associated pneumonia acquisition with the two suctioning systems.

Results

Nine trials were included, with 648 patients in the open suctioning group and 644 in the closed suctioning group. VAP occurred in 128 (20%) of the open suctioning group and in 120 (19%) in the closed suctioning group (relative risk 0.95).

Conclusions

At a given pneumonia prevalence of 20% in ICU patients there was no significant advantage for the use of either suctioning system in this meta-analysis. The choice of suctioning system should therefore be based on handling, cost, and individual patient's disease until more data are available.

Keywords

Suctioning systems Meta-analysis Nosocomial pneumonia 

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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Ralf-Peter Vonberg
    • 1
  • Tim Eckmanns
    • 2
  • Tobias Welte
    • 3
  • Petra Gastmeier
    • 1
  1. 1.Institute for Medical Microbiology and Hospital EpidemiologyMedical School of HannoverHannoverGermany
  2. 2.Institute of Hygiene and Environmental MedicineCharité University MedicineBerlinGermany
  3. 3.Department for PneumologyMedical School of HannoverHannoverGermany

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