Key result
Aortic valve resistance represents a functional index of haemodynamic impairment that may remain more constant than calculated valve area as flow varies, particularly in low flow states.
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Aortic valve resistance is highlighted as a functional index of hemodynamic impairment that may remain more constant than valve area in low-flow aortic stenosis.
Antonini‐Canterin et al. (1999) conducted an editorial in Aortic stenosis. Aortic valve resistance vs. Aortic valve area was evaluated. Aortic valve resistance represents a functional index of haemodynamic impairment that may remain more constant than calculated valve area as flow varies, particularly in low flow states.
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