Impact of minimally invasive vs. open distal pancreatectomy on use of adjuvant chemoradiation for pancreatic adenocarcinoma.
Published data examining the impact of minimally invasive distal pancreatectomy (MIDP) on survival are generally limited to experiences from high-volume institutions. Our aim was to compare utilization of adjuvant chemoradiation and time from surgery until its initiation following MIDP vs. open surgery (ODP) at a national level.Adult patients undergoing distal pancreatectomy for Stage I and II pancreatic adenocarcinoma were identified from the National Cancer Data Base, 2010-2012.A total of 1807 patients underwent distal pancreatectomy for adenocarcinoma at 506 institutions (27.9% MIDP). After adjustment, those who underwent MIDP were more likely to have complete tumor resections and a shorter hospital length of stay. Patients undergoing MIDP vs. ODP were more likely to receive adjuvant chemotherapy; time to initiation of adjuvant chemotherapy or radiation was not different between groups. After adjustment, overall survival for MIDP vs. ODP remained similar (HR 0.85, CI 0.67-1.10, p = 0.21).MIDP is associated with increased use of adjuvant chemotherapy; further study is needed to understand the etiology and impact of this association.
Anderson, KL; Adam, MA; Thomas, S; Roman, SA; Sosa, JA
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