BACKGROUND: Low resectability rate and poor survival outcomes after surgical resection for hilar cholangiocarcinoma are common in most institutions. We retrospectively reviewed the surgical outcomes of hilar cholangiocarcinoma in a tertiary institution focusing on the surgical procedures, radicalities, survival rates and independent prognostic factors. METHODS: Two hundred thirty patients who underwent surgical resection for hilar cholangiocarcinoma between 1995 and 2010 were retrospectively analysed based on the clinical variables, Bismuth-Corlette types, radicality of operation and survival rates. RESULTS: The median overall and disease-free survival time in the whole cohort were 39.1 and 19.2 months, respectively. Patients with type I or II tumour were more likely to undergo segmental bile duct resection than combined liver resection with lower R0 rates (68.2% and 76.1%, respectively). Liver resection (P < 0.001) and combined caudate lobectomy (P = 0.003) were associated with significantly higher R0 rates. Multivariate analysis showed that lymph node metastasis (P = 0.001), preoperative level of bilirubin above 3.0 mg/dL (P = 0.003) and positive resection margin (P = 0.033) were independent prognostic factors on overall survival. CONCLUSION: Liver resection and combined caudate lobectomy increased curative resection rates in hilar cholangiocarcinoma regardless of Bismuth-Corlette types. Preoperative biliary drainage should be performed in jaundiced patients to improve perioperative outcome and survival.
BACKGROUND: Low resectability rate and poor survival outcomes after surgical resection for hilar cholangiocarcinoma are common in most institutions. We retrospectively reviewed the surgical outcomes of hilar cholangiocarcinoma in a tertiary institution focusing on the surgical procedures, radicalities, survival rates and independent prognostic factors. METHODS: Two hundred thirty patients who underwent surgical resection for hilar cholangiocarcinoma between 1995 and 2010 were retrospectively analysed based on the clinical variables, Bismuth-Corlette types, radicality of operation and survival rates. RESULTS: The median overall and disease-free survival time in the whole cohort were 39.1 and 19.2 months, respectively. Patients with type I or II tumour were more likely to undergo segmental bile duct resection than combined liver resection with lower R0 rates (68.2% and 76.1%, respectively). Liver resection (P < 0.001) and combined caudate lobectomy (P = 0.003) were associated with significantly higher R0 rates. Multivariate analysis showed that lymph node metastasis (P = 0.001), preoperative level of bilirubin above 3.0 mg/dL (P = 0.003) and positive resection margin (P = 0.033) were independent prognostic factors on overall survival. CONCLUSION: Liver resection and combined caudate lobectomy increased curative resection rates in hilar cholangiocarcinoma regardless of Bismuth-Corlette types. Preoperative biliary drainage should be performed in jaundicedpatients to improve perioperative outcome and survival.
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