Incidence of Ischemic Optic Neuropathy After Cardiopulmonary Bypass: 20-Year Experience

Objective: This study evaluated the incidence and risk factors for ischemic optic neuropathy (ION) as a complication of cardiac surgery requiring cardiopulmonary bypass (CPB). Design: Retrospective chart review of prospectively collected data at a tertiary care center. Setting: Single tertiary academic referral center. Participants: This study comprised 44,568 cardiac surgery patients who underwent CPB between January 1, 1995, and January 5,...