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Prognostic Factors for Patients after Curative Resection for Proximal Gastric Cancer / 华中科技大学学报(医学)(英德文版)
Article in Chinese | WPRIM | ID: wpr-349789
Responsible library: WPRO
ABSTRACT
The factors influencing the long-term survival of patients with proximal gastric cancer(PGC)after curative resection were investigated.Data from 171 patients who underwent curative resection for PGC were retrospectively analyzed.The patients were grouped according to the clinicopathological factors and operative procedures.The tumor depth(T stage)and lymph node metastasis(pN stage)were graded according to the fifth edition of TNM Staging System published by UICC in1997.The metastatic lymph node ratio(MLR)was divided into four levels 0%,<10%,10%-30%and >30%.The data of survival rate were analyzed by Kaplan-Meier method(log-rank test)and Cox regression model.The 5-year overall survival rate of 171 patients was 37.32%.The univariate analysis demonstrated that the survival time of the postoperative patients with PGC was related to tumor size(;(2=4.57,P=-0.0325),gross type(χ2=21.38,P<0.001),T stage(χ2=27.91,P<0.001),pN stage(χ2=44.72,P<0.001),MLR(χ2=61.12,P<0.001),TNM stage(χ2=44.91,P<0.001),and range of gastrectomy (χ2=4.36,P=0.0368).Multivariate analysis showed that MLR(χ2=10.972,P=0.001),pN stage(χ2=6.640,P=0.010),TNM stage(χ2=7.081,P=0.007),T stage(χ2=7.687,P=0.006)and gross type(χ2=6.252,P=0.012)were the independent prognostic factors.In addition,the prognosis of patients who underwent total gastrectomy(TG)was superior to that of patients who underwent proximal gastrectomy(PG)for the cases of tumor ≥5 cm(χ2=6.31,P=0.0120),Borrmann Ⅲ/Ⅳ(χ2=7.96,P=0.0050),T4(χ2=4.57,P=0.0325),pN2(χ2=5.52,P=0.0188),MLR 10%-30%(χ2=4.46,P=0.0347),MLR >30%(χ2=13.34,P=0.0003),TNM Ⅲ(χ2=14.05,P=0.0002)or TNM Ⅳ stage(χ2=4.37,P=0.0366);and combining splenectomy was beneficial to the cases of T3(χ2=5.68,P=0.0171)or MLR >30%(χ2=6.11,P=0.0134).It was concluded that MLR,pN stage,TNM stage,T stage,and gross type had advantages in providing a precise prognostic evaluation for patients undergoing curative resection for PGC,in which MLR was the most valuable index.TG and combining splenectomy were useful to improve the prognosis to patients with PGC of TNM Ⅲ/Ⅳ stage,serosa invasion,or extensive regional lymph node metastasis.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Huazhong University of Science and Technology (Medical Sciences) Year: 2010 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Huazhong University of Science and Technology (Medical Sciences) Year: 2010 Type: Article