Abstract
Over the past 5 years, there has been an increased focus on international database collaboration between the Society of Thoracic Surgeons (STS) General Thoracic Surgery Database (GTSD) and European Society of Thoracic Surgeons (ESTS) Registry Task Forces. To this end, a joint STS-ESTS database Task Force meeting is held each year at the STS annual meeting, during which current and future projects are discussed. As this relationship has evolved, various issues have been encountered that must be overcome to maximize the potential of this collaborative effort. This article provides an overview of the STS GTSD and ESTS Registry, past projects, and the challenges faced by the Societal Task Forces as future projects are envisioned.