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  • Title: Benefits of laparoscopic surgery compared to open standard surgery for gastric carcinoma in elderly patients: propensity score-matching analysis.
    Author: Yamamoto M, Shimokawa M, Kawano H, Ohta M, Yoshida D, Minami K, Ikebe M, Morita M, Toh Y.
    Journal: Surg Endosc; 2019 Feb; 33(2):510-519. PubMed ID: 30030615.
    Abstract:
    BACKGROUND: Laparoscopic surgery is frequently performed, and laparoscopic gastrectomy (LG) is also widely performed for gastric cancer. Elderly population with gastric cancer has increased in East Asia, including in Japan. METHODS: We examined 1131 patients with gastric cancer who underwent laparoscopic and open standard surgeries (OG). A total of 921 patients of age < 75 years (non-E group) and 210 patients of age ≥ 75 years (E group) underwent surgery for gastric cancer. The mortality, morbidity, and prognosis of LG and OG were compared by propensity score-matched analysis. RESULTS: Mortality and morbidity in the E group were significantly higher than those in the non-E group (p < 0.05). Propensity score-matching revealed that the incidence of postoperative complications of grade ≥ 2 in the OG subgroup was significantly higher than that in the LG subgroup in the E group (p < 0.05). The overall survival rate of the LG subgroup was significantly higher than that of the OG subgroup in both the non-E and E groups (p < 0.05). The depth of tumor invasion, lymph node metastasis, and the number of dissected lymph nodes were dependent factors for survival in the non-E group, whereas the depth of tumor invasion was the only dependent factor for survival in the E group in the multivariate analysis. CONCLUSION: The survival rate of patients who underwent LG showed significantly good prognosis in both the non-E and E groups, although the E group patients who underwent OG subgroup showed higher severe complication incidences than those who underwent LG subgroup.
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