Why the study?
Does experimentally created aortic stenosis alter pulmonary resistance vessel morphology in fetal lambs?
Does experimentally created aortic stenosis alter pulmonary resistance vessel morphology in fetal lambs?
Experimental aortic stenosis in fetal lambs leads to decreased pulmonary resistance vessel size and number, contrasting with findings in human infants and suggesting other factors may drive human pathology.
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Does not inform human fetal management; leaves open whether aortic stenosis drives pulmonary vascular changes in infants.
Levin et al. (1980) studied this question.
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