Viagra like medicine is given in which condition: March 2007: (A) Pulmonary hypeension, (B) Essential hypeension, (C) Malignant hypeension, (D) Hypeension in pregnancy
Answer is A. Ans. A: Pulmonary Hypeension Since NO is an impoant regulator of pulmonary vascular resistance, PDE-5 inhibitors lower pulmonary aerial pressure. Sildenafil is more selective for pulmonary circulation than vardenafil, and is the only PHosphoDiEsteras-5 inhibitor shown to improve aerial oxygenation in pulmonary hypeension. Sildenafil has now become the drug of choice for pulmonary aerial hypeension.