Lérida, España
Salamanca, España
Madrid, España
Cartagena, España
Madrid, España
Vigo, España
Introduction To compare the efficacy and safety of indwelling pleural catheters (IPC) in relation with the timing of systemic cancer therapy (SCT) (i.e., before, during, or after SCT) in patients with malignant pleural effusion (MPE).
Methods Systematic review of randomized controlled trials (RCT), quasi-controlled trials, prospective and retrospective cohorts, and case series of over 20 patients, in which the timing of IPC insertion in relation to that of SCT was provided. Medline (via PubMed), Embase, and Cochrane Library were systematically searched from inception to January 2023. The risk of bias was assessed using the Cochrane Risk of Bias (ROB) tool for RCTs and the ROB in non-randomized studies of interventions (ROBINS-I) for non-randomized designs.
Results Ten studies (n = 2907 patients; 3066 IPCs) were included. Using SCT while the IPC was in situ decreased overall mortality, increased survival time, and improved quality-adjusted survival. Timing of SCT had no effect on the risk of IPC-related infections (2.85% overall), even in immunocompromised patients with moderate or severe neutropenia (relative risk 0.98 [95%CI: 0.93–1.03] for patients treated with the combination of IPC and SCT). The inconsistency of the results or the lack of analysis of all outcome measures in relation to the SCT/IPC timing precluded drawing solid conclusions about time to IPC removal or need of re-interventions.
Conclusions Based on observational evidence, the efficacy and safety of IPC for MPE does not seem to vary depending on the IPC insertion timing (before, during, or after SCT). The data most likely support early IPC insertion.
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