期刊
JOURNAL OF GASTRIC CANCER
卷 16, 期 2, 页码 98-104出版社
KOREAN GASTRIC CANCER ASSOC
DOI: 10.5230/jgc.2016.16.2.98
关键词
Gallstones; Stomach neoplasms; Gastrectomy; Incidence; Risk factors
Purpose: The incidence of gallstones after gastrectomy for gastric cancer is higher than in the general population. However, the causes and mechanisms of post-gastrectomy gallstones are unclear. The aim of this study was to evaluate the incidence of gallstone formation and the risk factors for their development after gastrectomy for gastric cancer. Materials and Methods: Of 1,744 gastric cancer patients who underwent gastrectomy at Seoul National University Bundang Hospital between January 2010 and December 2012, 1,284 were included in this study and retrospectively reviewed. Patients' age, sex, body mass index (BMI), tumor location, stage, type of gastrectomy, type of reconstruction, and extent of node dissection were evaluated. Results: The incidence of gallstones after gastrectomy for gastric cancer was significantly higher in men than in women (P=0.019). Exclusion of the duodenum during reconstruction was associated with a significantly higher incidence of gallstones (P=0.003). Overweight and obese patients with BMI >= 23 kg/m(2) had significantly higher incidence of gallstones than those with a lower BMI (P=0.006). Multivariate analysis showed that obesity (hazard ratio, HR=1.614; 95% confidence interval, CI: 1.135 similar to 2.296; P=0.008), male sex (HR=1.515, 95% CI: 1.029 similar to 2.231, P=0.033), and exclusion of the duodenum (HR=1.648, 95% CI: 1.192 similar to 2.280, P=0.003) were significant, independent risk factors for gallstones after gastrectomy. Conclusions: The cumulative incidence of gallstones for 5 years after gastrectomy was 15.3%. Male sex, obesity, and exclusion of the duodenum were risk factors for gallstone formation after gastrectomy. Careful surveillance will be required for these patient groups after gastrectomy.
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