The value of preoperative medical testing for vitreoretinal surgery.

Purpose: To determine whether preoperative medical testing reduces the risk of postoperative systemic adverse events after vitreoretinal surgery.

Methods: Retrospective cohort study at a single academic university hospital involving a total of 2,215 patients undergoing vitreoretinal surgery. Medical charts of 2,215 patients who underwent vitreoretinal surgery between January 2002 and November 2011 at Vanderbilt University were reviewed for baseline comorbidities, preoperative testing, type of anesthesia during surgery, and systemic adverse events occurring within 30 days after surgery.