Endoscopic ultrasound-guided tissue acquisition for focal liver lesions can be safely performed in patients with ascites

Abstract

Background and study aims In patients with ascites, percutaneous liver biopsy is generally contraindicated. Because endoscopic ultrasound-guided tissue acquisition (EUS-TA) allows tissue sample obtention from the digestive tract lumen, a biopsy without the intervention of ascites may prevent adverse events (AEs). This study aimed to evaluate the safety of EUS-TA for focal liver lesions in the presence of ascites.

Patients and methods A retrospective study was conducted using medical records of cases in which EUS-TA was performed on focal liver lesions between 2016 and 2022. Study participants were classified into two groups: those with ascites and those without it, and the outcomes were compared. The primary outcome was AEs.

Results We included 109 cases of EUS-TA for focal liver lesions. Ascites was present in 20.1% of cases (22/109) and absent in 79.8% of cases (87/109). There were no significant differences between the two groups in clinical backgrounds and EUS-TA procedure, although fine-needle biopsy needles were significantly more frequently used in patients without ascites. In the ascites group, puncture without intervening ascites was successful in 90.9% of cases (20/22). The incidence of AEs was 4.5% (1/22) in the ascites group and 1.1% (1/87) in the non-ascites group, showing no significant difference. The two AEs were mild self-limiting abdominal pain.

Conclusions In focal liver lesions with ascites, EUS-TA allows biopsy without the intervention of ascites in most cases. The incidence of AEs did not differ significantly between patients with and without ascites.

Keywords

Endoscopic ultrasonography - Tissue diagnosis - Fine-needle aspiration/biopsy - Biliary tract - Intervention EUS

Publikationsverlauf

Eingereicht: 09. August 2024

Angenommen nach Revision: 23. September 2024

Accepted Manuscript online:
30. September 2024

Artikel online veröffentlicht:
18. November 2024

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