Purpose: To analyze the population submitted to gastric cancer surgery in our Institution in order to find those characteristics which could help in the identification of the elderly high-risk patient.
Methods: In a cohort of 263 patients (>65 y) we selectively investigated the risk factors for medical and surgical complications and postoperative mortality, focusing on the variable "age". All the significant variables were used to find predictors of complications with Clavien-Dindo>2.
Results: Age>75 (AUC 0.61; 95% 0.55-0.67, p = 0.003) and ASA score >2 (AUC 0.60; 95% CI 0.54-0.67, p = 0.01) were significantly associated with an increased risk of medical complications. Operative time >330 min (OR 1.00; 95% CI 1.00-1.01; p = 0.0001- AUC 0.62, 95% CI 0.56-0.68, p = 0.01) was the only significant predictor of surgical complications. In-hospital mortality (6/263 patients) was significantly associated with preoperative albumin ≤2.95 g/dl (OR 0.15; 95% CI 0.04-0.93, p = 0.041 - AUC 0.74 95% CI 0.68-0.80; p = 0.003) and additional procedures (OR 7.05; 1.23-40.32, p = 0.03). Stepwise multivariate analysis showed that albumin ≤2.95 g/dl (OR 3.43; 95% CI 1.06-11.13 p = 0.033), ASA>2 (OR 9.51; 95% CI 1.23-72.97; p = 0.042) and additional resections (OR 3.39; 95% CI 1.36-8.45; p = 0.045) were independent risk factors for complications Clavien Dindo >2.
Conclusions: Our work demonstrated that, in our institution, 75 years of age could identify the elderly in gastric surgery as those patients were at higher risk of medical complications. ASA >2, preoperative serum albumin ≤2.95 g/dl and the need of additional procedures could increase the risk of severe postoperative adverse events.
Keywords: Complications; Elderly; Gastrectomy; Gastric cancer; Old patient.
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