A New Etiological Concept of the Aortic Regurgitation in the Aged Prolapsed Cusp Due to Degeneration

Masaya SUGIURA; Ryozo OKADA; Keisuke HIRAOKA; Shinichiro OHKAWA; Hiroyuki SHIMADA

doi:10.1536/ihj.10.20

A New Etiological Concept of the Aortic Regurgitation in the Aged

Prolapsed Cusp Due to Degeneration

Masaya SUGIURA, Ryozo OKADA, Keisuke HIRAOKA, Shinichiro OHKAWA, Hiroyuki SHIMADA

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Keywords: Isolated aortic regurgitation, Hypertensive aortic regurgitation, Arteriosclerotic aortic regurgitation, Senile ectasia of the aorta, Aging heart, Valvular disease in the aged

JOURNAL FREE ACCESS

1969 Volume 10 Issue 1 Pages 20-29

DOI https://doi.org/10.1536/ihj.10.20

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Abstract

A clinicopathological study was made on 6 cases (5 women and a man) of so-called functional aortic regurgitation. A new etiological concept was proposed for this category of aortic regurgitation as degenera-tive type due to a prolapse of the posterior cusp of aortic valve. Prolapse of the cusp was explained by an interruption of the transverse ridge due to fibrinoid, hyalinoid, atheromatous or calcified lesions.

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