Why the study?
Does mechanically-induced PAH differ from hypoxia-induced PAH in terms of hemodynamics, myocardial contractility, and regional blood flow in dogs?
Does mechanically-induced PAH differ from hypoxia-induced PAH in terms of hemodynamics, myocardial contractility, and regional blood flow in dogs?
The microbead-induced model of pulmonary artery hypertension produces more marked hemodynamic changes and isolated right ventricular effects compared to hypoxia, making it a superior model for pharmacological studies.
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Microbead model may refine canine PAH hemodynamics research; leaves open translation to human pharmacology and therapy.
Girard et al. (1995) studied this question.
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