Why the study?
Does left ventricular relaxation influence the association between pressure half time and regurgitant fraction in patients with aortic regurgitation?
Does left ventricular relaxation influence the association between pressure half time and regurgitant fraction in patients with aortic regurgitation?
The pressure half time method for estimating aortic regurgitation severity is significantly influenced by left ventricular relaxation and should only be used in the absence of relaxation abnormalities.
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Auer et al. (1999) studied this question.
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