Endoscopic ultrasound‐guided versus percutaneous liver biopsy: a systematic review and meta-analysis of randomized controlled trials

Abstract

Background Percutaneous liver biopsy (PC-LB) has long been the usual method for acquisition of liver tissue. Recently, endoscopic ultrasound-guided liver biopsy (EUS-LB) has gained popularity as an alternative modality. We aimed to compare the efficacy and safety of EUS-LB versus PC-LB.

Methods We systematically searched PubMed, Embase, and the Cochrane Library databases for randomized controlled trials (RCTs) comparing EUS-LB with PC-LB published until October 20, 2023. The primary outcome was diagnostic adequacy. Secondary outcomes were: the number of complete portal tracts (CPTs), longest sample length (LSL), total sample length (TSL), post-procedure pain scores, and adverse events (AEs), including overall AEs and AEs excluding minor post-procedure symptoms. We compared binary outcomes using risk ratios (RRs) and continuous outcomes using the mean difference (MD) or standardized mean difference (SMD), with 95%CIs.

Results Four RCTs (258 patients) were included. The EUS-LB group presented lower post-procedure pain scores (SMD −0.58, 95%CI −0.95 to −0.22) than the PC-LB group. Both groups performed similarly in terms of diagnostic adequacy (RR 1.0, 95%CI 0.96 to 1.04), number of CPTs (MD 2.57, 95%CI −4.09 to 9.22), LSL (MD −2.91 mm, 95%CI −5.86 to 0.03), TSL (MD 4.16 mm, 95%CI −10.12 to 18.45), overall AEs (RR 0.54, 95%CI 0.20 to 1.46), and AEs excluding minor post-procedure symptoms (RR 1.65, 95%CI 0.21 to 13.02).

Conclusions This meta-analysis suggests that EUS-LB is as safe and effective as PC-LB and is associated with lower post-procedure pain scores.

Registration on PROSPERO: CRD42023469469.

Publication History

Received: 13 December 2023

Accepted after revision: 07 June 2024

Article published online:
28 August 2024

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