Increased Mortality in Patients With Preoperative and Persistent Postoperative Pulmonary Hypertension Undergoing Mitral Valve Surgery for Mitral Regurgitation: A Cohort Study oleh Michael V. Genuardi, Daniel Shpilsky, Adam Handen, Gabrielle VanSpeybroeck, Ann Canterbury, Michael Lu, Kayle Shapero, Ricardo A. Nieves, Floyd Thoma, Suresh R. Mulukutla, João L. Cavalcante, Stephen Y. Chan