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Meta-Analysis
. 2021 Oct 1;28(4):281-289.
doi: 10.1097/LBR.0000000000000767.

Transbronchial Forceps Biopsy in the Intensive Care Unit: A Systematic Review and Meta-analysis

Scott A Helgeson  1 , Jaafer S Imam  2 , Rebecca C Burnside  1 , Sebastian Fernandez-Bussy  3 , Tara J Brigham  4 , Neal M Patel  1
Affiliations
Meta-Analysis

Transbronchial Forceps Biopsy in the Intensive Care Unit: A Systematic Review and Meta-analysis

Scott A Helgeson et al. J Bronchology Interv Pulmonol. .

Abstract

Background: A transbronchial forceps lung biopsy performed in mechanically ventilated patients with respiratory failure of unknown etiology has significant uncertainty of diagnostic yield and safety along with sparse literature. This study investigated the complication rate of transbronchial biopsies in mechanically ventilated patients in the intensive care unit and its ability to obtain a diagnosis and change current therapy.

Methods: PubMed, Ovid MEDLINE, and Ovid Cochrane Central Register of Controlled Trials databases were systematically searched for all publications of transbronchial lung biopsies in mechanically ventilated patients. We pooled the results of individual studies using random-effects meta-analysis models to achieve the summary proportions.

Results: Of the identified 9 observational studies with a total of 232 patients undergoing a transbronchial biopsy, complications occurred in 67 patients [25.2%; 95% confidence interval (CI), 11.5%-42.0%; I2=70.0%]. Pneumothorax occurred in 24 patients (9.5%; 95% CI, 4.5%-16.2%; I2=15.9%) and bleeding in 18 patients (8.9%; 95% CI, 4.1%-15.3%; I2=0%). A diagnosis was given in 146 patients (62.9%; 95% CI, 56.0%-69.1%; I2=74.6%), with 103 of 210 patients (49.0%; 95% CI, 44.6%-55.1%; I2=74.9%) having a change in treatment.

Conclusion: The results of this meta-analysis suggest that a transbronchial forceps biopsy when performed in mechanically ventilated patients with respiratory failure of unclear etiology had a moderate complication rate. These biopsies resulted in varied diagnoses with a high rate of management change. Randomized controlled trials are necessary to identify the ideal patients to perform a transbronchial forceps biopsy on in the intensive care unit.

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Conflict of interest statement

Disclosure: There is no conflict of interest or other disclosures.

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