Why the study?
Does normalization of effective height (eH) correlate with normal aortic valve function after aortic valve repair?
Does normalization of effective height (eH) correlate with normal aortic valve function after aortic valve repair?
Normalization of effective height (≥ 9 mm) during aortic valve repair is strongly associated with normal or near-normal postoperative aortic valve function.
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Targeting eH ≥9 mm may minimize residual AI after AVR; supports further study but should not yet change practice.
Bierbach et al. (2010) studied this question.
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