Population
Six open-chest anesthetized dogs
Comparison
Pulmonary artery (PA) constriction vs Control (normal loading)
Design
Preclinical
Authors
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Challenges unstressed septal membrane model under RV pressure load; leaves open clinical relevance in human RV failure.
Right ventricular pressure loading induces substantial circumferential compressive stresses and bending moments in the interventricular septum, challenging the assumption that it acts solely as an unstressed membrane.
Sayed-Ahmed et al. (2001) studied this question.
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