On August 30 at 6 p.m. Central Time, Trinity Mother Frances Health System's Center For Advanced Surgery And Technology (CASAT) will host a live Internet webcast on OR-Live.com to repair or replace a patient's heart mitral valve. Neelan Doolabh, MD of Turner Cardiovascular Associates in Tyler will perform the surgery. The heart valve repair can benefit patients who have a weak heart or need repair of a prior valve replacement or repair.