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Abstract

Objective

To compare the effect of early tracheotomy (ET) and late tracheotomy (LT) on ventilator-associated pneumonia (VAP) incidence and short-term mortality in critically ill patients who received mechanical ventilation.

Data Sources

We searched databases of PubMed, Embase, and others for randomized controlled trials (RCTs) that compared ET (≤8 days after admission to the intensive care unit, initiation of translaryngeal intubation, or initiation of mechanical ventilation) with LT (≥6 days) in critically ill patients.

Review Methods

The overall odds ratio (OR) was estimated by traditional meta-analysis. In addition, cumulative meta-analysis was conducted by adding 1 study at a time in the order of year of publication.

Results

A total of 11 RCTs involving 1436 patients (708 in the ET group and 728 in the LT group) were included in this analysis. Early tracheotomy could significantly reduce the short-term mortality (OR = 0.74; 95% confidence interval [CI] [0.58, 0.95]) but did not reduce the VAP incidence (OR = 0.70; 95% CI [0.47, 1.04]). The cumulative meta-analysis showed that evidence of the benefit of ET on VAP incidence was unstable over time. In contrast, the difference in short-term mortality was stable from the first appearance during the cumulative meta-analysis.

Conclusion

Early tracheotomy could improve short-term mortality but did not alter VAP incidence. Many factors may be responsible for the unstable results during cumulative meta-analysis, and further study is still needed to explore the optimal timing of tracheotomy.

Keywords

early tracheotomy late tracheotomy ventilator-associated pneumonia incidence short-term mortality meta-analysis

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The Effect of Early and Late Tracheotomy on Outcomes in Patients