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Fractional flow reserve in a patient with intermediate coronary stenosis and hypertrophic cardiomyopathy.

Abstract：

:We discuss the case of a 61-year-old male patient with hypertrophic cardiomyopathy and chest pain on exertion. Coronary angiography and intravascular ultrasound revealed an intermediate stenosis in the proximal site of the left anterior descending artery, while Tc-99m myocardial scintigraphy revealed exercise-induced myocardial ischemia in the anteroseptal wall and apical portion. Flow velocity-derived coronary flow reserve (CFR) and pressure-derived fractional flow reserve (FFRmyo) were both low (1.1 and 0.59), suggesting that the stenosis was functionally significant. Directional coronary atherectomy greatly improved the FFRmyo (0.99), the scintigraphic findings, and anginal pain but did not improve the CFR (1.2). FFRmyo was useful in assessing the functional significance of an equivocal coronary stenosis and its interventional resolution.

journal_name

J Interv Cardiol

journal_title

Journal of interventional cardiology

authors

Tsukamoto M,Azuma A,Kuribayashi T,Kawasaki T,Yamamoto K,Kawata K,Sugihara H,Nakagawa M

doi

10.1111/j.1540-8183.2002.tb01029.x

subject

Has Abstract

pub_date

2002-02-01 00:00:00

pages

23-8

issue

1

eissn

0896-4327

issn

1540-8183

journal_volume

15

pub_type

杂志文章

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