Background: Laparoscopic cholecystectomy is the preferable treatment for chronic or acute cholecystitis. Some factors may increase the rate of laparoscopic conversion to open cholecystectomy and perioperative complications. The role of gender as a risk factor for laparoscopic cholecystectomy is controversial. Aim: To evaluate the role of the gender on the operative findings and outcome of laparoscopic cholecystectomy. Method: All patients who underwent laparoscopic cholecystectomy for chronic or acute cholecystitis were included. Demographic, clinical, laboratory, imaging exams, intraoperative and postoperative data were obtained and analyzed. The data was obtained retrospectively from electronic medical records and study protocols. Results: Of a total 1,645 patients who were subjected to laparoscopic cholecystectomy, 540 (32.8%) were men and 1,105 (67.2%) were women. Mean age was similar in both genders (p=0.817). Operative time has longer in the male (72.48±28.50) than in the female group (65.46±24.83, p<0.001). The rate of acute cholecystitis was higher in the male (14.3%) than in the female group (5.1%, p<0.001). There was no difference between the genders in regard to the rate of conversion (p=1.0), intraoperative complication (p=1.0), postoperative complication (p=0.571), and operative mortality (p=1.0). Conclusion: Male gender is not an independent risk factor for laparoscopic conversion and perioperative complications.

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Background and Objectives: In several developed countries, most laparoscopic cholecystectomies (LCs) are performed as an ambulatory operation (ALC) with a high rate of success. In Latin America, the experience with this procedure is still limited. Our objective is to evaluate the feasibility to implement ALC in a Brazilian teaching hospital. Methods: Data obtained from electronic medical records and study protocols of all patients who underwent an LC between January 2011 and March 2018 were evaluated. All patients with chronic or acute cholecystitis were initially considered for an ALC. Results: Of a total of 1645 patients who underwent LC, 1577 (95.9%) were discharged on the same day of the operation. The main reasons for hospital admission after ALC were patient refusal to be discharged (n = 23; 1.4%), nausea and vomiting (n = 15; 0.9%), and complicated acute cholecystitis. No patient was excluded from consideration for ALC based only on age, history of previous upper abdominal operation, and presence of comorbidity. Patient age ranged from 12 to 100 years, with a mean of 50.23 ± 15.35 years. Intraoperative and postoperative complication rates were 0.4% and 5.5%, respectively. Most perioperative complications were because of technical surgical difficulties and complications common to most abdominal operations (surgical site, pulmonary, urinary, and venous complications). Thirteen (0.8%) patients were readmitted to the hospital because of abdominal pain and fever (n = 4), pneumonia (n = 3), deep venous thrombosis (n = 3), or urinary retention (n = 3). Conclusions: ALC may be performed in Brazil with low rates of morbidity, mortality, and hospital readmission. Its implementation should be stimulated in Latin America.

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