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Current Reviews in Clinical and Experimental Pharmacology

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ISSN (Print): 2772-4328
ISSN (Online): 2772-4336

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Meta-Analysis

Intrapleural Thrombolytics for Parapneumonic Effusion: A Network Metaanalysis

Author(s): Kannan Sridharan* and Gowri Sivaramakrishnan

Volume 19, Issue 2, 2024

Published on: 17 October, 2022

Page: [204 - 212] Pages: 9

DOI: 10.2174/2772432817666220928123845

Price: $65

Abstract

Objectives: Intrapleural thrombolytics have been trialed for facilitating pleural fluid drainage in patients with complicated parapneumonic effusion. The present study is a network metaanalysis of randomized clinical trials (RCTs) that have evaluated these thrombolytics.

Methods: Electronic databases (Medline, Cochrane CENTRAL, and Google Scholar) were searched for appropriate RCTs evaluating the therapeutic effect of thrombolytics in patients with complicated parapneumonic effusion. Mortality, the proportion of patients referred for surgical intervention, and serious adverse events were the outcome measures. Random-effects model was used for generating direct and mixed treatment comparison pooled estimates. Grading of the evidence for key comparisons was carried out. Odds ratio with 95% confidence intervals was used to represent the pooled estimates.

Results: Seventy-six studies were retrieved with the search strategy, of which 16 were included. No significant differences were observed in mortality. Compared to normal saline, significantly less proportion of patients was referred for surgical intervention with streptokinase (0.4, 0.2 to 0.8), urokinase (0.4, 0.2 to 0.8), alteplase (0.3, 0.1 to 0.7), and alteplase + DNase (0.2, 0.1 to 0.7). DNase alone increased the risk of referral to surgical intervention (3.4, 1.5 to 7.6). Only streptokinase was observed with an increased risk of serious adverse events compared to normal saline (2.8, 1.1 to 7.1) and alteplase (6.7, 1.1 to 39.9). Moderate quality of evidence was observed for streptokinase with normal saline for the proportion of patients referred for surgical intervention, while either low or very low quality strength was observed for all other comparisons.

Conclusion: Streptokinase, urokinase, alteplase, and alteplase + DNase were observed in patients referred for surgical interventions when used intrapleural in patients with parapneumonic effusion. Alteplase + DNase is likely to outperform others as it was observed with the least risk of patients referred for surgical interventions. Until additional data emerges that changes the pooled estimates, thrombolytics other than streptokinase are preferred due to the increased risk of serious adverse events.

Keywords: Streptokinase, Urokinase, Alteplase, Tissue plasminogen activator, DNase, Deoxyribonuclease

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