Morbidity, mortality, and pathological response in patients with gastric cancer preoperatively treated with chemotherapy or chemoradiotherapy
Valenti V, Hernandez-Lizoaín JL, Beorlegui MC, Diaz-Gonzalez JA, Regueira FM, Rodriguez JJ, Viudez A, Sola I, Cienfuegos JA.
Department of Surgery, University of Navarre, Clinica Universidad de Navarra, Pamplona, Spain
Magazine: Journal of Surgical Oncology
Date: Apr 20, 2011Radiation Oncology Medical Oncology General and Digestive Surgery Digestive Tract Tumours Area
Significant tumor downstaging has been achieved in patients with localized gastric adenocarcinoma by preoperative chemoradiotherapy (ChRT) or induction chemotherapy (Ch). However the influence of ChRT and Ch on postoperative outcomes has not yet been clarified, with very few studies examining this issue. We retrospectively analyzed the efficacy in terms of pathological response and early postoperative complications of two protocols of preoperative ChRT and Ch for locally advanced gastric cancer.
Between 2000 and 2008, 72 patients with operable locally advanced gastric cancer (cT3-4/N+) were treated with preoperative treatment: 1-patients receiving induction Ch or 2-neoadjuvant Ch followed by concurrent ChRT. Postoperative histopathological regression and surgical complications were investigated including variables related to patients, surgical variables, preoperative treatment, and tumor.
There were no differences in the incidence of complications between the ChRT and Ch groups (30.9% vs. 33.3%). The most frequent complications were nonspecific surgical complications (pneumonia [12.5%] and infection from intravenous catheters [9.7%]). Risk factors for complications were high-body mass index (BMI?>?25?kg/m(2) ) and extension of surgery to the pancreas and spleen. A major pathological response was observed in 33.3% of patients, being more frequent in the ChRT group (47.6% vs. 13.3%; ?(2) , P?=?0.0024).
Preoperative treatment with Ch or ChRT for locally advanced gastric cancer can be performed safely with an acceptable operative morbidity and low operative mortality rate with careful consideration of the added risk associated with BMI and surgical resection of the pancreas and spleen. Ch and ChRT is feasible and effective in terms of pathological response and R0 resection.
CITATION J Surg Oncol. 2011 Apr 20. doi: 10.1002/jso.21947
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