title: Uniportal video-assisted thoracoscopic surgery: safety, efficacy and learning curve during the first 250 cases in Quebec, Canada.
abstract: BACKGROUND
  Video-assisted thoracoscopic surgery (VATS) using a single incision (uniportal) may result in better pain control, earlier mobilization and shorter hospital stays. Here, we review the safety and efficiency of our initial experience with uniportal VATS and evaluate our learning curve.
  
  
  METHODS
  We conducted a retrospective review of uniportal VATS using a prospectively maintained departmental database and analyzed patients who had undergone a lung anatomic resection separately from patients who underwent other resections. To assess the learning curve, we compared the first 10 months of the study period with the second 10 months.
  
  
  RESULTS
  From January 2014 to August 2015, 250 patients underwent intended uniportal VATS, including 180 lung anatomic resections (72%) and 70 other resections (28%). Lung anatomic resection was successfully completed using uniportal VATS in 153 patients (85%), which comprised all the anatomic segmentectomies (29 patients), 80% (4 of 5) of the pneumonectomies and 82% (120 of 146) of the lobectomies attempted. The majority of lung anatomic resections that required conversion to thoracotomy occurred in the first half of our study period. Seventy patients underwent other uniportal VATS resections. Wedge resections were the most common of these procedures (25 patients, 35.7%). Although 24 of the 70 patients (34%) required the placement of additional ports, none required conversion to thoracotomy.
  
  
  CONCLUSIONS
  Uniportal VATS was safe and feasible for both standard and complex pulmonary resections. However, when used for pulmonary anatomic resections, uniportal VATS entails a steep learning curve.
authors.affiliation: Division of Thoracic Surgery, Institut Universitaire de Pneumologie et Cardiologie de Quebec, Canada.
authors.forename: Gabrielle
authors.initials: G
authors.lastname: Drevet
authors.affiliation: Division of Thoracic Surgery, Institut Universitaire de Pneumologie et Cardiologie de Quebec, Canada.
authors.forename: Paula
authors.initials: P
authors.lastname: Ugalde Figueroa
keywords: Video-assisted thoracoscopic surgery (VATS); lobectomy; minimally invasive surgery; uniportal