[Efficacy observation after pylorus-preserving gastrectomy for early gastric cancer]. 2010

Xiang Hu, and Liang Cao, and Yi Yu, and Da-yu Tian
Department of General Surgery, Dalian Medical University, Dalian 116011, China.

OBJECTIVE To evaluate the outcomes after pylorus-preserving gastrectomy (PPG) for early gastric cancer(EGC). METHODS Clinicopathologic data of 52 patients with EGC undergoing PPG between August 1995 and December 2005 were analyzed retrospectively. A total of 159 patients of EGC who underwent distal gastrectomy with lymph node dissection(control group) were compared with those who received PPG. RESULTS The lymph node metastasis rate of EGC was 9.6% in PPG group, including 9.6% in No.3, 3.9% in No.4, 3.9% in No.6, and 3.9% in No.7. In the control group, the lymph node metastasis rate was 17.0%, including N1(14.5%) and N2(2.5%). There were no significant differences between the PPG group and the control group (P>0.05). In the PPG group, D1 dissection was 25%, D1+α was 25%, D1+β was 34.6%, and D2 was 15.3%. In control group, 121 patients(76.1%) had less than D2 dissection, while there were 33(20.7%) D2, and 5(3.1%) D3, and the difference was not statistically significant(P>0.05). There were no significant differences between the two groups in overall 5-year survival rate(92.3% vs. 93.1%, P=0.881). The 5-year survival rate in the PPG group was 100% for D1, 92.3% for D1+α, 88.9% for D1+β, and 85.7% for D2, while the 5-year survival rate in the control group was 92.3% for D1, 93.3% for D1+α, 91.7% for D1+β, and 93.9% for D2. The difference was not statistically significant(P>0.05). The recurrence rate was comparable (5.7% vs. 5.6%, P>0.05). CONCLUSIONS Pylorus-preserving gastrectomy may provide long-term survival benefits for patients with early gastric cancer.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011708 Pylorus The region of the STOMACH at the junction with the DUODENUM. It is marked by the thickening of circular muscle layers forming the pyloric sphincter to control the opening and closure of the lumen. Pyloric Sphincter,Pyloric Sphincters,Sphincter, Pyloric,Sphincters, Pyloric
D005260 Female Females
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup
D005743 Gastrectomy Excision of the whole (total gastrectomy) or part (subtotal gastrectomy, partial gastrectomy, gastric resection) of the stomach. (Dorland, 28th ed) Gastrectomies
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective

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