Distal Pancreatectomy with and without Celiac Axis Resection for Adenocarcinoma: A Comparison in the Era of Neoadjuvant Therapy.

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Abstract

Distal pancreatectomy with celiac axis resection (DP-CAR) has been used for selected patients with pancreatic cancer infiltrating the celiac axis. We compared the short- and long-term outcomes between DP-CAR and distal pancreatectomy alone (DP) in patients receiving neoadjuvant therapy.Patients undergoing DP-CAR from 2013 to 2022 were retrospectively reviewed. Clinicopathologic features, post-operative morbidity, and survival outcomes were compared with patients undergoing DP after neoadjuvant chemotherapy.Twenty-two DP-CAR and thirty-four DP patients who underwent neoadjuvant chemotherapy were identified. There were no differences in comorbidities or CA19-9 levels. OR time was longer for DP-CAR (304 vs. 240 min, p = 0.007), but there was no difference in the transfusion rate (22.7% vs. 14.7%). Vascular reconstruction was more common in DP-CAR (18.2% vs. 0% arterial, p = 0.05; 40.9% vs. 12.5% venous, p = 0.04). There was no difference in morbidity or mortality between the two groups. Although there was a trend towards larger tumors in DP-CAR (5.1 cm vs. 3.8 cm, p = 0.057), the overall survival from the initiation of treatment (32 vs. 28 months, p = 0.43) and surgery (30 vs. 24 months, p = 0.43) were similar.DP-CAR is associated with similar survival and morbidity compared to DP patients requiring neoadjuvant chemotherapy and should be pursued in appropriately selected patients.

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