Effectiveness of hepatic parenchyma lithotomy of hepatolithiasis: A single-center experience


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Abstract

To investigate the clinical significance of hepatic parenchyma incision by lithotomy near the second hepatic portal area for the treatment of complex hepatolithiasis.A retrospective study was conducted with 35 patients who had complicated hepatolithiasis in our hospital from January 2008 to December 2013, who underwent hepatic parenchyma incision by lithotomy near the second hepatic portal area. The perioperative and long-term outcomes included the stone clearance rate, operative morbidity and mortality, and the stone recurrence rate. Patients with a preoperative diagnosis of cholangiocarcinoma were excluded from the study.All patients with hepatic duct stones were mainly located at S2, S4, and S8 regions. Surgical methods included were hepatic parenchyma incision by lithotomy near the second hepatic portal area, or by combined partial hepatectomy. The mean follow-up period was 51 months. One patient died during hospitalization. The surgical morbidity was 17.6%, stone clearance rate was 88.2%, and final clearance rate was 94.1% followed by postoperative choledochoscopic lithotripsy. The stone recurrence rate was 15.6% and the occurrence of postoperative cholangitis was 11.8% during the follow-up period.Hepatic parenchyma incision by lithotomy near the second hepatic portal area is safe with satisfactory short and long-term outcome results for complicated hepatolithiasis.

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