How Effective is Sildenafil for Group 2 Pulmonary Hypertension?
Group II pulmonary high blood pressure due to left substance disease ( PH - LHD ) is the most common among pulmonary hypertension patients worldwide . Particularly , the valvular warmheartedness disease ( VHD ) is the leading causes of this character of PH . Mitral and aortic valve diseases increase the progress of PH and activate a cascade of venous and little artery remodeling , one-sided arterial pneumonic hypertension , and right ventricular disfunction ....