Simultaneous operation for multiple valvular disease and myasthenia in a woman.

Myasthenia gravis is a neuromuscular disorder, and the severe complication of myasthenic crisis is a life-threatening condition, usually induced by stress such as fever, trauma or a surgical procedure. Simultaneous heart surgery and thymectomy in a patient with concomitant heart disease and myasthenia gravis has been previously reported. We report a female patient with rheumatic valvular disease and myasthenia gravis who received triple heart valve surgery and thymectomy simultaneously. In her early recovery, two episodes of myasthenic crisis occurred which were treated promptly with a successful surgical outcome.