Background: Gastrectomy may induce significant postoperative disabilities and worsen the quality of life in elderly patients. Without a functioning esophagogastric junction (EGJ), swallowing is impaired because of the anatomical and physiological changes after surgery, which increases the risk of postoperative pneumonia. The aim of this study was to identify the impact of the type of surgical procedure on death from pneumonia in elderly patients with gastric cancer (GC) over the long term.
Methods: We analyzed the data of 343 patients with GC who underwent curative gastrectomy in our hospital. We divided the patients into elderly and non-elderly groups. Among them, 109 patients aged ≥ 75 years who underwent curative resection were analyzed, their clinicopathological factors and clinical outcomes were compared, and the impact of the type of surgical procedure on death from pneumonia over the long term was evaluated. The institutional scientific review board of Kumamoto University Hospital was approved for data collection and analysis (No. 1037).
Results: There were significantly higher levels of American Society of Anesthesiologists (ASA) and poor nutrition in the elderly group; however, gender, BMI and factors related to pneumonia did not differ significantly between groups. The median duration of follow-up time 1588 days. On the multivariate analysis, age and surgical procedure were selected as independent predictive factors for pneumonia-related survival.
Conclusion: Preservation of the EGJ as much as possible while maintaining curability is useful for reducing postoperative death from pneumonia over the long term in elderly patients with gastric cancer.
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