Study of ultrasound-guided needle aspiration and catheter drainage in the management of liver abscesses
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ORIGINAL PAPER
Study of ultrasound‑guided needle aspiration and catheter drainage in the management of liver abscesses Mukesh Surya1 · Rohit Bhoil1 · Y. P. Sharma1 Received: 20 November 2019 / Accepted: 18 February 2020 © Società Italiana di Ultrasonologia in Medicina e Biologia (SIUMB) 2020
Abstract Purpose To evaluate and compare the efficacy of intermittent needle aspiration and continuous catheter drainage in ultrasound-guided management of liver abscesses. Methods This was a prospective, randomised study conducted on 100 patients (88 males and 12 females; age range 22–74 years) with liver abscess(es) and having abscess size more than 5 cm, divided into two groups: Percutaneous needle aspiration (PNA) (n = 50) and percutaneous catheter drainage (PCD) (n = 50). Criteria of exclusion were: rupture of abscess before intervention; prior intervention; uncorrectable coagulopathy; concomitant biliary tract malignancy. In the PNA group, pus was aspirated by an 18-gauge needle using freehand technique and the number of aspirations was limited to two. Failure of abscess size to decline below 50% of the original diameter or of clinical improvement after second aspiration was considered as failure of aspiration. In the PCD group, drainage was done by 12-French catheters using Seldinger technique. Drainage was considered as failure if abscess cavity did not resolve and laparotomy was needed to evacuate the pus cavity. Result The success rate in the PNA group was 88% and 92% in the PCD group; however, this difference was statistically not significant, suggesting that both are equally efficacious. The total duration of hospital stay (mean 6.8 days [PNA] vs 10.5 days [PCD]; p value: 0.011) and the average duration between intervention and discharge (5.9 days [PNA] vs 10.2 days [PCD]; p value:0.026) were significantly less in the PNA group. One major complication was seen in our study: peritonitis due to peri-catheter leak in PCD group. Conclusion Both procedures are equally efficacious in the management of liver abscesses; however in view of less duration of hospital stay, patient safety and comfort, procedure simplicity, and the reduced cost, needle aspiration should be used as the first-line procedure in the treatment of liver abscess (even in abscesses more than 5 cm). Catheter drainage should be reserved for cases that do not respond to a second attempt of aspiration. Keywords Liver abscess · Liver infection · Ultrasound · Interventional ultrasound guided · Seldinger · Hepatobiliary disease
Introduction Liver abscess is a common health problem, especially in tropical regions, having significant morbidity and mortality (ranging from 6 to 32%) due to the delay in its detection and treatment [1, 2]. It can be caused by infectious spread Electronic supplementary material The online version of this article (https://doi.org/10.1007/s40477-020-00440-3) contains supplementary material, which is available to authorized users. * Rohit Bhoil [email protected] 1
Department of Radiodiagnosis, RPGMC, Kangra, HP, Ind
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