Clinical Significance of Preoperative Pulmonary Artery Hypertension in Patients Undergoing Mitral Valve Replacement for Rheumatic Heart Disease and Its Prognostic Implications. CIJMR [Internet]. 2026 Jul. 24 [cited 2026 Jul. 24];. Available from: https://cijmr.com/index.php/cijmr/article/view/490