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Background  Partial peri-cystectomy (PPC) is one of the major surgical approaches for hepatic cystic echinococcosis (CE) and has been practiced in most centers worldwide. Cysto-biliary communication (fistula, leakage, rupture) is a problematic issue in CE patients. T-tube is a useful technique in situations where an exploration and decompression are needed for common bile duct (CBD). However, postoperative biliary complications for cystic cavity still remains to be studied in depth.    Methods  A retrospective cohort analysis of CE cases in our single center database from 2007 March to 2012 December was performed. Patients (n = 51) were divided into two cohorts: double T-tube drainage (one at CBD for decompression and one at the fistula for sustaining in cystic cavity, n = 23) group and single T-tube drainage cohort (only one at CBD for decompression, n = 28). Short-/long-term postoperative complications focusing on biliary system was recorded in detail and they were followed-up for median 11 years.    Results  Overall biliary complication rates for double and single T-tube drainages were 17.4% vs. 39.3% ( P  > 0.05). Short-term complications ranged from minor to major leakages, cavity infection and abscess formation, and prevalence was 17.4% vs. 21.4% ( P  > 0.05) respectively for double and single T-tube groups; most importantly, double T-tube drainage group had obvious advantages regarding long-term complications ( P  < 0.05), which was biliary stricture needing surgery and it was observed only in single T-tube drainage group.    Conclusions  Double T-tube drainage had better outcomes without procedure-specific postoperative biliary complications than single T-tube drainage. Meanwhile, we recommend long-term follow-up when comparing residual cavity related biliary complications in CE patients as it could happen lately.

bmc surgery

Double versus single T-tube drainage for frank cysto-biliary communication in patients with hepatic cystic echinococcosis: a retrospective cohort study with median 11 years follow-up