Key result
In a canine model of pulmonary hypertension, nitroglycerin decreased pulmonary vascular resistance by 43% and mean pulmonary artery pressure by 12%, whereas sodium nitroprusside did not alter either.
Why the study?
Do nitroglycerin and sodium nitroprusside improve pulmonary hemodynamics in a canine model of oleic acid-induced pulmonary hypertension?
Population
Canine model of oleic acid-induced pulmonary hypertension
Comparison
Nitroglycerin (TNG) and sodium nitroprusside (SNP) vs Baseline hemodynamics prior to oleic acid…
Design
Preclinical
Authors
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Supports nitroglycerin over nitroprusside for pulmonary vasodilation in canine models; leaves open human translation and clinical testing.
Do nitroglycerin and sodium nitroprusside improve pulmonary hemodynamics in a canine model of oleic acid-induced pulmonary hypertension?
Nitroglycerin effectively dilates the pulmonary vascular bed and improves hemodynamics in a canine model of pulmonary hypertension, whereas sodium nitroprusside primarily causes systemic hypotension without improving pulmonary hemodynamics.
Pearl et al. (1983) studied Oleic acid-induced pulmonary hypertension. Nitroglycerin (TNG) and Sodium Nitroprusside (SNP) vs. Baseline (oleic acid-induced pulmonary hypertension) was evaluated on Hemodynamic effects (pulmonary vascular resistance, mean pulmonary artery pressure, cardiac output). In a canine model of pulmonary hypertension, nitroglycerin decreased pulmonary vascular resistance by 43% and mean pulmonary artery pressure by 12%, whereas sodium nitroprusside did not alter either.
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