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May 1996

Surgical Aspects of Patients With Adenocarcinoma of the Stomach Operated on for Cure

Author Affiliations

From the Division of Gastroenterologic and General Surgery (Drs Söreide, van Heerden, Donohue, and Sarr), the Department of Laboratory Medicine and Pathology (Dr Burgart), and the Section of Biostatistics (Mr Ilstrup), Mayo Clinic and Mayo Foundation, Rochester, Minn.

Arch Surg. 1996;131(5):481-487. doi:10.1001/archsurg.1996.01430170027003

Background and Design:  A retrospective study was performed to evaluate our recent results of curative gastric resections for adenocarcinoma.

Methods:  Between 1979 and 1988, 187 patients fulfilled study entry criteria. This group of patients composes 64% of all patients with tumors arising distal to the gastroesophageal junction. Tumors arising in the region of the gastroesophageal junction were excluded. Patients were classified according to the American Society of Anesthesiologists physical status classification (≥3, 56%) and Eastern Cooperative Oncology Group performance status (≥2,44%). Histologic characteristics were re-reviewed.

Interventions:  Subtotal and total gastrectomies were performed in 78% and 22% of the patients, respectively. Extended lymph node dissections were performed selectively (5%). Adjuvant chemotherapy and radiotherapy were employed in 3% and 2% of patients, respectively.

Results:  Postoperative morbidity and mortality were 27% and 4%, respectively. Synchronous splenectomy (P=.06) and type of gastric resection (P=.06) showed a borderline association with postoperative complications, but did not affect postoperative mortality. With a median follow-up time of 47 months in all patients, and a median of 9 years in patients still alive, the 5- and 10-year overall survival rates (Kaplan-Meier method) were 48% and 32%, respectively. In univariate survival analysis, age, American Society of Anesthesiologists classification, stage, tumor diameter, serosal extension of tumor, lymph node metastases, and type of resection showed prognostic significance. In the Cox multivariate analysis, however, only serosal extension of tumor (P<.001) and lymph node metastases (P=.02) were independent prognostic factors.

Conclusions:  Despite the older age and comorbid conditions of patients with gastric cancer, 5-year survival was achieved in half the patients by standard radical operations. Until appropriate controlled prospective studies are performed, total gastrectomy, splenectomy, and extended lymph node dissection should not be routinely adopted, given their unproven efficacy and potentially increased morbidity and mortality.(Arch Surg. 1996;131:481-487)

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