Pulmonary hypertension (PAH) with mitral stenosis (MS), though regresses after surgery, can
persist to a variable extent and frequency, which can be influenced by several factors and this is not adequately
appraised. The study aims to compare the preoperative and postoperative clinical and hemodynamic variables in
patients who attained normal, near-normal PAP and persistent-PAH one-year after MVR, thereby elucidating
factorsrelated to persistent-PAH.