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Role of bronchoscopy in the management of patients with suspected or suffering from ventilator-associated pneumonia: A meta-analysis

Affiliations
  • 1Department of Interventional Pulmonology and Endoscopic Diagnosis and Treatment Center, Anhui Chest Hospital, Hefei, 230031, China.
  • 2Department of Thoracic Surgery, Anhui Chest Hospital, Hefei, 230031, China.

Published on:

August 26, 2024

Abstract

BACKGROUND

The utility of bronchoscopy in the treatment of patients with ventilator-associated pneumonia (VAP) has been proposed, although prior research has yielded inconclusive findings. This systematic review and meta-analysis were conducted to examine the impact of bronchoscopy on mortality rates, duration of mechanical ventilation (MV), and length of stay in the intensive care unit (ICU) among patients with VAP.

METHODS

Relevant randomized controlled trials (RCTs) and cohort studies were acquired by conducting a comprehensive search in the PubMed, Embase, and Cochrane Library databases. To account for the potential heterogeneity, a random-effects model was utilized to combine the findings and incorporate its potential influence.

RESULTS

Eight RCTs and three cohort studies, including 3907 patients with highly suspected or clinically diagnosed VAP, were included. Compared to the controls, bronchoscopy use was not associated with a significant effect on all-cause mortality (relative risk [RR]: 0.81, 95 % confidence interval [CI]: 0.62 to 1.05,  = 0.12; I = 57 %). Subgroup analysis showed that bronchoscopy used for the microbiological diagnosis of VAP was not associated with reduced mortality (RR: 0.92, 95 % CI: 0.75 to 1.13), while therapeutic bronchoscopy use was associated with significantly reduced mortality (RR: 0.53, 95 % CI: 0.35 to 0.81). The duration of MV or length of ICU stay was not significantly different between groups.

CONCLUSIONS

Bronchoscopy use for the purpose of the microbiological diagnosis of VAP did not reduce short-term mortality compared to diagnosis without bronchoscopy use, while therapeutic bronchoscopy use was associated with reduced mortality in these patients.

Keywords:

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