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Ruptured mitral valves chordae tendineae around a convalescent infant with acute Kawasaki disease

Published online by Cambridge University Press:  26 October 2018

Etsuko Tsuda ,
Jun Negishi ,
Hikari Miike  and
Kenichi Kurosaki
Etsuko Tsuda*
Affiliation:
Department of Pediatric Cardiology, National Cerebral and Cardiovascular Center, Osaka, Japan
Jun Negishi
Affiliation:
Department of Pediatric Cardiology, National Cerebral and Cardiovascular Center, Osaka, Japan
Hikari Miike
Affiliation:
Department of Pediatric Cardiology, National Cerebral and Cardiovascular Center, Osaka, Japan
Kenichi Kurosaki
Affiliation:
Department of Pediatric Cardiology, National Cerebral and Cardiovascular Center, Osaka, Japan
*
Author for correspondence: E. Tsuda, Department of Pediatric Cardiology, National Cerebral and Cardiovascular Center, 5-7-1 Fujishirodai, Suita-shi, Osaka 565-8565, Japan. Tel: 81-6-6833-5012; Fax: 81-6-6872-7486; E-mail: etsuda@ncvc.go.jp
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Abstract

Severe valvulitis owing to acute Kawasaki disease leading to severe mitral regurgitation is a rare event in infants. Further, there is less information about underlying ruptured mitral chordae tendineae causing severe mitral regurgitation. We encountered ruptured mitral chordae tendineae in three female patients after Kawasaki disease. The age at the onset of Kawasaki disease ranged from 3 to 8 months, and detection of ruptured mitral chordae tendineae was from 24 to 90 days. Two patients had acute heart failure, and one was asymptomatic. One patient underwent mitral annuloplasty, and the others responded to medication. These ruptured mitral chordae tendineae occurred after the remission of the initial acute Kawasaki disease, in the early course and the convalescent of acute Kawasaki disease. Further, the recurrent fever was also detected in them. The ruptured mitral chordae tendineae in an infant within 6 months can be detected by systolic heart murmur around the convalescent stage of acute Kawasaki disease, although the prevalence is very low.

Keywords

Kawasaki diseaseruptured mitral chordae tendineaeacute heart failuremitral regurgitation
Type
Original Article
Information
Cardiology in the Young , Volume 29 , Issue 1 , January 2019 , pp. 30 - 35
Copyright
© Cambridge University Press 2018 

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Footnotes

Cite this article: Tsuda E, Negishi J, Miike H, Kurosaki K. (2018) Ruptured mitral valves chordae tendineae around a convalescent infant with acute Kawasaki disease. Cardiology in the Young29: 30–35. doi: 10.1017/S1047951118001646

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