Pulmonary and Systemic Effects of the Phosphodiesterase Inhibitor Dipyridamole in Newborn Lambs with Persistent Pulmonary Hypertension


Nitric oxide (NO) relaxes vascular smooth muscle by increasing the intracellular concentration of cGMP. In the pulmonary circulation, cGMP is inactivated by specific phosphodiesterases (PDE5). Dipyridamole, a clinically approved drug, has inhibitory activity against PDE5 and has been reported to augment the response to inhaled NO in persistent pulmonary… (More)
DOI: 10.1203/00006450-199812000-00002


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