1. Mitral stenosis with pulmonary hypertension: We should operate early
Bo Yang, MD, PhD, Donald S. Likosky, PhD, Steven F. Bolling, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 153, Issue 5, Pages (May 2017)
DOI: /j.jtcvs
Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Kaplan-Meier survival stratified according to the pulmonary arterial systolic pressure (PAP) as a combined normal pulmonary arterial systolic pressure and mild pulmonary hypertension (PH) group versus a moderate to severe pulmonary hypertension group. This cohort was from 2003 to 2014, which had a total of 218 patients, among whom 6 (2.7%) had unknown pulmonary arterial systolic pressure.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

3. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions