Abstract
Subtotal cholecystectomy (SC) is a procedure for avoiding the risk of bile duct injury, especially in patients with difficult gallbladders. However, recent meta-analyses have demonstrated that SC is associated with a relatively high incidence of postoperative bile leak. To our knowledge, there have been no reports that have investigated risk factors for postoperative bile leak. A total of 76 patients underwent reconstituting SC at our hospital between January 2005 and July 2019. Patient characteristics and perioperative outcomes were reviewed, and risk factors for postoperative bile leak were investigated. In addition, in patients with acute cholecystitis (AC) (n = 60), subgroup analyses were performed. Bile leak developed in 11 patients with AC (18.3%), while no patients with chronic cholecystitis developed bile leak (p = 0.064). Patients with AC who underwent surgery 10days or later from onset developed postoperative bile leak significantly more frequently than those who underwent surgery within 10days (38.0 vs 7.6%, p = 0.003). Patients with AC who underwent gallbladder stump closure with suturing developed postoperative bile leak significantly more frequently than those who underwent ligation (37.5 vs 11.3%, p = 0.020). In the patients with AC, surgery after 10days from onset (p = 0.022, odds ratio = 5.85) was found by logistic regression analysis to be an independent risk factor for developing postoperative bile leak. Early surgery yielded a lower incidence of postoperative bile leak in patients who underwent SC. Surgery during the subacute phase was considered to imply a higher risk for developing bile leak than surgery during the acute and chronic phases.
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