open access

Vol 9, No 1 (2014)
Cardiology Investigation
Published online: 2014-03-19
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Use of exercise test in prognostic assessment of patients with hypertrophic cardiomyopathy

Gabriela Parol
Folia Cardiologica 2014;9(1):86-90.

open access

Vol 9, No 1 (2014)
Cardiology Investigation
Published online: 2014-03-19

Abstract

Hypertrophic cardiomyopathy is a genetically determined disease of miocardium that implies increased risk of sudden death. It often coexists with left ventricle outflow tract obstruction, which substantially increases that risk. Exercise testing can be used in prognostic assessment of individuals suffering from hypertrophic cardiomyopathy. There are three clinical instances for which exercise testing has clinical value in patients with HCM: defining the presence of outflow tract obstruction in patients with no gradient at rest, attempt to identify patients with coexistent coronary artery diseaseand defining presence of the high-risk indicator of exercise-induced myocardial dysfunction, which may be reflected by an abnormal blood pressure response. The first and third instances require exercise testing with imaging. Only in the third situation is exercise testing without imaging useful. Exercise testing seems to be a safe method in prognostic assessment of patients with hypertrophic cardiomyopathy with no outflow tract obstruction at rest. Assessment of blood pressure response to exercise can contribute a lot in reclassification of patients to lower or higher risk groups.

Abstract

Hypertrophic cardiomyopathy is a genetically determined disease of miocardium that implies increased risk of sudden death. It often coexists with left ventricle outflow tract obstruction, which substantially increases that risk. Exercise testing can be used in prognostic assessment of individuals suffering from hypertrophic cardiomyopathy. There are three clinical instances for which exercise testing has clinical value in patients with HCM: defining the presence of outflow tract obstruction in patients with no gradient at rest, attempt to identify patients with coexistent coronary artery diseaseand defining presence of the high-risk indicator of exercise-induced myocardial dysfunction, which may be reflected by an abnormal blood pressure response. The first and third instances require exercise testing with imaging. Only in the third situation is exercise testing without imaging useful. Exercise testing seems to be a safe method in prognostic assessment of patients with hypertrophic cardiomyopathy with no outflow tract obstruction at rest. Assessment of blood pressure response to exercise can contribute a lot in reclassification of patients to lower or higher risk groups.
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Keywords

hypertrophic cardiomyopathy, left ventricle outflow tract obstruction, abnormal blood pressure response to exertion

About this article
Title

Use of exercise test in prognostic assessment of patients with hypertrophic cardiomyopathy

Journal

Folia Cardiologica

Issue

Vol 9, No 1 (2014)

Pages

86-90

Published online

2014-03-19

Bibliographic record

Folia Cardiologica 2014;9(1):86-90.

Keywords

hypertrophic cardiomyopathy
left ventricle outflow tract obstruction
abnormal blood pressure response to exertion

Authors

Gabriela Parol

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