Three-dimensional vs two-dimensional laparoscopic gastric bypass for manual gastrojejunal anastomosis: A prospective and randomized trial.

Objective: The objective of this study was to compare the total procedure time and task-specific execution time in gastric bypass using a three-dimensional (3D) versus two-dimensional (2D) imaging system.

Materials And Methods: This study was a prospective and randomized clinical trial. Forty obese patients were randomized into two groups: gastric bypass with 3D imaging system or with conventional 2D system.

[A standard questionnaire to reduce the routine battery of preoperative tests for elective surgery].

Background: Preoperative medical testing in the United States is estimated at $3,000,000 USD per year. In an attempt to reduce this cost, some key points have been described with the purpose of promoting appropriate preoperative measurements with an adequate costObjective: To evaluate the utility of a preoperative standardized questionnaire in adult patients prior to elective surgery to detect which patients could be operated without laboratory testing.

Method: An observational, prospective and analytic study was carried out.

[Laparoscopic choledochoduodenostomy as an optional treatment choledocholithiasis].

Introduction: Choledochoduodenostomy is indicated for unsolved choledocholithiasis and biliary malignant or benign stenosis. This surgical procedure has been feared for its potential complications. This article shows our initial experience with this laparo-endoscopic approach.