ORIGINAL ARTICLESurvival Trends in Patients With Gastric and Esophageal Adenocarcinomas: A Population-Based Study
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PATIENTS AND METHODS
Medical care for residents of Olmsted County, situated in primarily rural southeastern Minnesota, is provided almost exclusively by 2 group practices: Mayo Clinic and Olmsted Medical Center and their affiliated hospitals and clinics. The Rochester Epidemiology Project (REP) is a medical records linkage system that allows for access to the complete medical records of these health care institutions—including inpatient, outpatient, nursing home, emergency department, pathologic, radiologic, and
RESULTS
During the 30-year study period, 186 residents of Olmsted County were diagnosed as having gastric or esophageal adenocarcinoma. Of these patients, 121 (65%) had adenocarcinomas originating in the stomach, and 65 (35%) had adenocarcinomas originating in the esophagus or esophagogastric junction.
The median survival time for patients with gastric adenocarcinoma decreased during the 3 decades studied, from 5.5 months in the 1970s to 4.1 months in the 1980s to 3.2 months in the 1990s. The 2-year
DISCUSSION
In this population-based study of all cases of gastric and esophageal adenocarcinoma diagnosed in Olmsted County, we found no significant change in patient survival during 3 decades. There was no significant improvement in survival despite advances in screening, diagnosis, and treatment during this same period.
Median survival of patients with gastric adenocarcinoma actually appeared to decrease between 1971 and 2000. Patient survival for both diseases has remained dismal. Median survival of
CONCLUSION
In this population-based study, we have shown that, despite advances in diagnostic tools and refinements in surgical techniques, survival of patients with adenocarcinoma of the stomach or esophagus has not improved during the past 3 decades. Current efforts at cancer prevention and early screening of high-risk populations for premalignant lesions, such as Barrett esophagus, have not resulted in a significant change in the stage of presentation of disease in the studied community, possibly
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This study was supported by a clinical research grant from the American College of Gastroenterology. The Rochester Epidemiology Project is supported by National Institutes of Health grant RO 1AR30582. Dr Romero's participation was supported in part by National Institutes of Health grant NIDDK 02956.