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Background: The literature is conflicting regarding oncological outcome and morbidity associated to portal-mesenteric resection during pancreaticoduodenectomy (PD) in patients with pancreatic head adenocarcinoma (PHAC). Methods: A meta-analysis of studies comparing PD plus venous resection (PD+VR) and standard PD exclusively in patients with adenocarcinoma of the pancreatic head was conducted. Results: Twenty-three cohort studies were identified, which included 6037 patients, of which 28.6% underwent PD+VR and 71.4% underwent standard PD. Patients who received PD+VR had lower 1-year overall survival (OS) (odds radio OR 0.79, 95% CI 0.67-0.92, p = 0.003), 3-year OS (OR 0.72, 95% CI 0.59-0.87, p = 0.0006), and 5-year OS (OR 0.57, 95% CI 0.39-0.83, p = 0.003). Patients in the PD+VR group were more likely to have a larger tumor size (MD 3.87, 95% CI 1.75 to 5.99, p = 0.0003), positive lymph nodes (OR 1.24, 95% CI 1.06-1.45, p = 0.007), and R1 resection (OR 1.74, 95% CI 1.37-2.20, p &lt; 0.0001). Thirty-day mortality was higher in the PD+VR group (OR 1.93, 95% CI 1.28-2.91, p = 0.002), while no differences between groups were observed in rates of total complications (OR 1.07, 95% CI, 0.81-1.41, p = 0.65) . Conclusions: Although PD+VR has significantly increased the resection rate in patients with PHAC, it has inferior survival outcomes and higher 30-day mortality when compared with standard PD, whereas postoperative morbidity rates are similar. Further research is needed to evaluate the role of PD+VR in the context of multimodality treatment of PHAC.

cancers

The Impact on Survival and Morbidity of Portal–Mesenteric Resection During Pancreaticoduodenectomy for Pancreatic Head Adenocarcinoma: A Systematic Review and Meta-Analysis of Comparative Studies