Abstract
Background
Recently, endoscopic ultrasound-guided hepaticogastrostomy (EUS-HGS) procedures have been gradually established; nonetheless, some adverse events (AEs) have been reported. Dilation procedures using a non-cautery or cautery device increase the incidence of AEs in EUS-HGS.
Aims
We evaluated EUS-HGS procedures without dilation and the factors associated with dilation.
Methods
We enrolled 79 patients who underwent EUS-HGS between July 2015 and March 2021 at two centers, 72 of whom had technical success (72/79, 91%). During the EUS-HGS procedures, we defined patients without dilation procedures as the dilation (−) group. We divided the patients into two groups: the dilation (+) (35 patients) and dilation (−) (37 patients) groups. We performed a propensity score matching analysis to adjust for confounding bias between the two groups. Multivariable logistic regression analysis was conducted to identify factors associated with dilation.
Results
There was no difference in clinical success rate between the dilation (+) and dilation (−) groups (91% vs. 95%, P = 0.545). The AE rate (P = 0.013) and long procedure time (P = 0.017) were significantly higher in the dilation (+) group than in the dilation (−) group before and after propensity score matching. Factors associated with dilation were plastic stent placement (odds ratio [OR], 6.96; 95% confidence interval [CI], 1.68–28.7; P = 0.007) and puncture angle of ≤ 90° (OR, 44.6; 95% CI, 5.1–390; P < 0.001).
Conclusions
A dilation procedure in EUS-HGS may not always be necessary. However, patients with an angle of ≤ 90° between the needle and intrahepatic biliary tract or plastic stent deployment require dilation procedures.
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Acknowledgments
We would like to thank Editage (www.editage.com) for English language editing.
Funding
This work was supported in part by JSPS KAKENHI (Grant Number: JP18K09945).
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Ohno, A., Fujimori, N., Kaku, T. et al. Feasibility and Efficacy of Endoscopic Ultrasound-Guided Hepaticogastrostomy Without Dilation: A Propensity Score Matching Analysis. Dig Dis Sci 67, 5676–5684 (2022). https://doi.org/10.1007/s10620-022-07555-z
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DOI: https://doi.org/10.1007/s10620-022-07555-z