Factors influencing outcome in patients undergoing portal vein resection for adenocarcinoma of the pancreas |
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Authors: | VM Banz D Croagh C ColdhamP Tanière J BuckelsJ Isaac D MayerP Muiesan S BramhallDF Mirza |
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Institution: | a The Liver Unit, University Hospital Birmingham NHS Trust, Queen Elizabeth Hospital, Edgbaston, Birmingham B152TH, United Kingdom b Department of Cellular Histopathology, University Hospital Birmingham NHS Trust, Queen Elizabeth Hospital, Edgbaston, Birmingham B152TH, United Kingdom |
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Abstract: | BackgroundSurvival rates after surgery and adjuvant chemotherapy for pancreatic ductal adenocarcinoma (PDA) remain low. Selected patients with portal/superior mesenteric vein (PV) involvement undergo PV resection at pancreaticoduodenectomy (PD). This study analyses outcomes for PD with/without PV resection in patients with PDA.MethodsA retrospective analysis of prospectively collected data on patients requiring PD for histologically proven adenocarcinoma between 1/1997 and 9/2009 identified 326 patients with PDA, with 51 requiring PD with PV resection. Patients were analyzed in two groups: PD + PV resection vs. PD alone. Multivariate analysis was used to identify predictive variables influencing survival and the Kaplan-Meier method to estimate patient survival.ResultsMean age for patients with PV resection was 66.4 (range 46-80) years, 47% were male. Both groups had similar patient demographics, perioperative and tumor characteristics. Postoperative morbidity was similar for patients with and without PV resection (27.5 vs. 28.4%). 30-day mortality was significantly higher in patients with PV resection (13.7%) vs. PD alone (5.1%). Overall survival however was similar in both groups (median PD alone 14.8 months vs. 14.5 months PD + PV). Multivariate analysis identified age, tumor grading, stay on the ICU and lack of chemotherapy as independent risk factors for reduced long-term survival.ConclusionIn carefully selected patients, PV resection results in similar long-term survival compared to PD alone. In selected patients, PV infiltration may be considered a sign of anatomical proximity of the tumor, rather than only a sign of increased tumor aggressiveness. |
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Keywords: | Pancreatic cancer Adenocarcinoma Surgery Portal vein |
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