How could viagra (sildenafil) help babies with chronic pulmonary hypertension?

Yes: Sildenafil - the active ingredient in viagra (sildenafil) - is fda approved as Revatio for treatment of pulmonary HTN in adults. It is likely that it would also be effective in children and is widely used in children as other other adult approved medicines for pulmonary htn.

Dilates blood vessel: Sildenafil the chemical name for viagra, (sildenafil) works by blocking the breakdown of a chemical important to dilating blood vessels. In babies with pulmonary hypertension, this helps dilate blood vessels in the lungs and therefore lowers the lung blood pressure and the work the heart must do to pump the blood into the lung circulation.

PAH: Viagra or sildenafil is fda approved for adults with pulmonary arterial hypertension (pah) but there have been some safety issues raised with higher doses in children. The medication opens blood vessels in the lung. Check with your pediatrician.

Yes: Viagra (sildenafil) , also known as revatio, when used to treat pulmonary hypertension, dilates blood vessels and is used to treat pulmonary hypertension.

Yes: However it depends on the etiology of the pulmonary hypertension. Congenital heart disease is considered group 1 pah and as such can be treated with drugs like sildenafil(viagra), eras and prostanoids.