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Diastolic dysfunction in patients with brucellosis despite the absence of infective endocarditis

Published online by Cambridge University Press:  16 September 2020

İbrahim Ece ,
Serdar Epçaçan Open the ORCID record for Serdar Epçaçan [Opens in a new window] ,
Gülsüm İclal Bayhan  and
Mehmet Türe
İbrahim Ece
Affiliation:
Department of Paediatric Cardiology, Yuzuncu Yil University, Faculty of Medicine, Van, Turkey
Serdar Epçaçan*
Affiliation:
Department of Paediatric Cardiology, University of Health Sciences, Van Training and Research Hospital, Van, Turkey
Gülsüm İclal Bayhan
Affiliation:
Department of Paediatric Infectious Disease, Yuzuncu Yil University, Faculty of Medicine, Van, Turkey
Mehmet Türe
Affiliation:
Department of Paediatric Cardiology, Yuzuncu Yil University, Faculty of Medicine, Van, Turkey
*
Author for correspondence: Serdar Epçaçan, MD, Department of Paediatric Cardiology, University of Health Sciences, Van Training and Research Hospital, Van, Turkey. Tel: +904324449965; Fax: +904322121954. E-mail: drserdar1980@gmail.com
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Abstract

Background:

Brucellosis is an important systemic infectious disease, especially in developing countries. Every organ and system of the human body can be affected; however, cardiovascular complications of brucellosis are rare.

Aim:

To assess cardiac functions in patients with acute brucellosis without overt cardiac involvement and to answer the following question: Is there any cardiac dysfunction despite the absence of endocarditis in these patients?

Methods:

This cross-sectional study included 67 children with brucellosis and 40 healthy children. We performed a detailed echocardiographic examination in individuals at the beginning of the treatment. Patients with infective endocarditis were excluded from the study.

Results:

Echocardiography revealed no difference of ejection fraction, mitral and tricuspid annular plane systolic excursion, pulsed-wave Doppler-derived early diastolic peak velocity (E)/late diastolic peak velocity (A) ratios in mitral and tricuspid valves between the two groups. The deceleration time of early mitral inflow was longer in patients with brucellosis. Early diastolic peak velocity of the mitral and tricuspid annuluses obtained by tissue Doppler imaging (Ea) was significantly lower in children with brucellosis. The peak velocity obtained by tissue Doppler imaging during late diastole (Aa), Ea and Ea/Aa ratios in the interventricular septum, left ventricle posterior wall and right ventricle free wall was lower in patients with brucellosis than in the control group. The E/Ea ratio, isovolumic relaxation time, right ventricle and left ventricle myocardial performance indices were higher in patients with brucellosis.

Conclusion:

Patients with acute brucellosis may have diastolic dysfunction without overt cardiac involvement and infective endocarditis.

Keywords

Brucellosisechocardiographycardiac functions
Type
Original Article
Information
Cardiology in the Young , Volume 30 , Issue 12 , December 2020 , pp. 1840 - 1843
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Copyright
© The Author(s), 2020. Published by Cambridge University Press

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