CGMP LEVEL IN PULMONARY ARTERIAL HYPERTENSION VS. PULMONARY HYPERTENSION DUE TO HEART FAILURE WITH PRESERVED EJECTION FRACTION, BOTH AT REST AND AT PEAK EXERCISE

Cyclic guanosine monophosphate (cGMP) plays an important role as pulmonary vasodilator and currently there are targeted therapy to stimulate cGMP in the management of patients with pulmonary hypertension. It is known that patients with pulmonary hypertension and heart failure have impairment of cGMP