Postoperative Complications Influence Prognosis and Recurrence Patterns in Periampullary Cancer
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The present study was performed to elucidate the influence of postoperative complications on the prognosis and recurrence patterns of periampullary cancer after pancreaticoduodenectomy (PD).
Clinical data were reviewed from 200 consecutive patients who had periampullary cancer and underwent PD between October 2003 and July 2010, and survival outcomes and recurrence patterns were analyzed. Postoperative complications were classified according to a modification of Clavien’s classification.
Overall, 86 major complications of grade II or higher occurred in 71 patients. The patients were classified into two groups according to the presence of postoperative complications of grade II or higher: group Cx−, absence of complications (n = 129); and group Cx+, presence of complications (n = 71). There were no differences in gender, mean age, tumor node metastasis stage, biliary drainage, type of resection, and radicality between the two groups (P > 0.05). The 3-year overall and disease-free survival rates of the group Cx+ patients (31.0 and 22.3 %, respectively) were significantly lower than those of the group Cx− patients (49.0 and 40.0 %; P = 0.003 and 0.002, respectively). The multivariate analysis showed that postoperative complications (P = 0.001; RR = 1.887; 95 % confidence interval [CI] 1.278–2.785), a T stage of T3 or T4 (P = 0.001; RR = 2.503; 95 % CI 1.441–4.346), positive node metastasis (P = 0.001; RR = 2.093; 95 % CI, 1.378–3.179), R1 or R2 resection (P = 0.023; RR = 1.863; 95 % CI 1.090–3.187), and angiolymphatic invasion (P = 0.013; RR = 1.676; 95 % CI 1.117–2.513) were independent prognostic factors for disease-free survival. Regarding recurrence patterns, group Cx+ patients exhibited more distant recurrences than did group Cx− patients (P = 0.025).
Postoperative complications affect prognosis and recurrence patterns in patients with periampullary cancer after PD.
KeywordsPostoperative Complication Recurrence Pattern Bile Duct Cancer Preoperative Biliary Drainage Distal Common Bile Duct
Conflict of interest
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