Mitral Valve Surgery in the Presence of Pulmonary Hypertension.

59 patients with severe pulmonary hypertension (systolic pulmonary artery pressure > 50 mmHg) undergoing mitral valve surgery. Mean age 38.3 ± 8.2 years, 57.6% female. Preoperative NYHA class II (23.7%), III (61%), IV (15.3%). Mitral lesions: pure stenosis (25.4%), mixed stenosis with insufficiency (66.1%), pure insufficiency (8.5%).

Mitral valve surgery (mitral valve replacement in 38 patients, combined mitral and aortic valve replacement in 16 patients, open mitral commissurotomy in 5 patients)

Operative (30-day) mortality, long-term survival, and postoperative hemodynamic changes (systolic pulmonary artery pressure)hard clinical