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Authors Tran TB, Worhunsky DJ, Norton JA, Squires MH, Jin LX, Spolverato G, Votanopoulos KI, Schmidt C, Weber S, Bloomston M, Cho CS, Levine EA, Fields RC, Pawlik TM, Maithel SK, Poultsides GA
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Journal Ann. Surg. Oncol. Volume: 22 Suppl 3 Pages: S840-7
Publish Date 2015 Dec
PubMed ID 26148757
Abstract

Resection of an adjacent organ during gastrectomy for gastric cancer is occasionally necessary to achieve margin clearance. The short- and long-term outcomes of this approach remain unclear.Patients who underwent gastric cancer resection in seven U.S. academic institutions from 2000 to 2012 were evaluated to compare perioperative morbidity, mortality, and survival outcomes, stratified by the need for and type of multivisceral resection (MVR).Of 835 patients undergoing curative-intent gastrectomy, 159 (19 %) had MVR. The most common adjacent organs resected were the spleen (48 %), pancreas (27 %), liver segments 2/3 (14 %), and colon (13 %). As extent of resection increased (gastrectomy only, n = 676; MVR without pancreatectomy, n = 116; and MVR with pancreatectomy, n = 43), perioperative morbidity was higher: any complication (45, 60, 59 %, p = 0.012), major complication (17, 31, 33 %, p = 0.001), anastomotic leak (5, 11, 19 %, p < 0.001), and respiratory failure (9, 15, 22 %, p = 0.012). However, perioperative mortality did not significantly increase (30-day: 3, 4, 2 %, p = 0.74; 90-day: 6, 8, 9 %, p = 0.61). Overall survival after resection decreased as extent of resection increased (5-year: 42, 28, 6 %). After controlling for age, race, T stage, N stage, grade, margin status, perineural invasion, adjuvant therapy, and blood transfusion, MVR with pancreatectomy (HR 1.67, p = 0.044), but not MVR without pancreatectomy (HR 0.97, p = 0.759), remained an independent predictor of poor survival.In this modern, multi-institutional cohort of gastric cancer patients, multivisceral resection was associated with higher perioperative morbidity but not significantly higher perioperative mortality. If concomitant pancreatectomy is anticipated, patients should be selected with extreme caution because long-term survival remains poor.

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