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A Case of Acute-Onset Heart Failure Derived from Infective Endocarditis Coinciding With H1N1 Influenza Myocarditis

A Case of Acute-Onset Heart Failure Derived from Infective Endocarditis Coinciding With H1N1 Influenza Myocarditis

Authors :
Emi Maekawa
Rie Kosugi
Ichiro Takeuchi
Takayuki Inomata
Nobuyuki Inoue
Toshimi Koitabashi
Shinzo Torii
Risa Kitasato
Tohru Izumi
Tomoyoshi Yanagisawa
Source :
Journal of Cardiac Failure. 16:S153
Publication Year :
2010
Publisher :
Elsevier BV, 2010.

Abstract

congestion derived from worse mitral valve regurgitation (MR) together with complete left bundle branch block (LBBB) and left ventricular (LV) dyssynchrony. As HF was relieved swiftly using pharmacological intervention and oxygen supplementation, MR was diminished and LBBB recovered to narrow QRS intraventricular conduction.Since cardiac resynchronization therapy (CRT) was introduced in July-2009, her clinical status has been stable without any cardiac events including HF hospitalization,and moreover, the enlarged and impaired LV has gradually reversed together with reduced MR. Although intermittent LBBB is caused by changes in the heart rate, autonomic nervous tone or myocardial ischemia,, there have been few reports concerning deteriorated HF of contributing the appearance of LBBB except in some cases of acute pulmonary embolism. LV dyssynchrony by sudden onset of LBBB could induce not only decrease contraction of LV but also increased MR through interfering with the proper closure of the mitral valve, leading to exacerbation of HF. CRT is a reliable, therapeutic option in cases with intermittent LBBB coincident with acutely-decompensated HF.

Details

ISSN :
10719164
Volume :
16
Database :
OpenAIRE
Journal :
Journal of Cardiac Failure
Accession number :
edsair.doi...........a6bd33d3882a804d052e3a940f171258
Full Text :
https://doi.org/10.1016/j.cardfail.2010.07.114