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Correlation of Electrocardiographic Changes with Cardiac Magnetic Resonance Findings in Patients with Hypertrophic Cardiomyopathy
BACKGROUND: Electrocardiogram is the initial test in the investigation of heart disease. Electrocardiographic changes in hypertrophic cardiomyopathy have no set pattern, and correlates poorly with echocardiographic findings. Cardiac magnetic resonance imaging has been gaining momentum for better ass...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Sociedade Brasileira de Cardiologia - SBC
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5831302/ https://www.ncbi.nlm.nih.gov/pubmed/29538524 http://dx.doi.org/10.5935/abc.20170189 |
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author | Paixão, Gabriela Miana de Mattos Veronesi, Horácio Eduardo da Silva, Halsted Alarcão Gomes Pereira de Alencar Neto, José Nunes Maldi, Carolina de Paulo Aguiar Filho, Luciano de Figueiredo Pinto, Ibrahim Masciarelli Francisco de França, Francisco Faustino de Albuquerque Carneiro Correia, Edileide de Barros |
author_facet | Paixão, Gabriela Miana de Mattos Veronesi, Horácio Eduardo da Silva, Halsted Alarcão Gomes Pereira de Alencar Neto, José Nunes Maldi, Carolina de Paulo Aguiar Filho, Luciano de Figueiredo Pinto, Ibrahim Masciarelli Francisco de França, Francisco Faustino de Albuquerque Carneiro Correia, Edileide de Barros |
author_sort | Paixão, Gabriela Miana de Mattos |
collection | PubMed |
description | BACKGROUND: Electrocardiogram is the initial test in the investigation of heart disease. Electrocardiographic changes in hypertrophic cardiomyopathy have no set pattern, and correlates poorly with echocardiographic findings. Cardiac magnetic resonance imaging has been gaining momentum for better assessment of hypertrophy, as well as the detection of myocardial fibrosis. OBJECTIVES: To correlate the electrocardiographic changes with the location of hypertrophy in hypertrophic cardiomyopathy by cardiac magnetic resonance. METHODS: This descriptive cross-sectional study evaluated 68 patients with confirmed diagnosis of hypertrophic cardiomyopathy by cardiac magnetic resonance. The patients’ electrocardiogram was compared with the location of the greatest myocardial hypertrophy by cardiac magnetic resonance. Statistical significance level of 5% and 95% confidence interval were adopted. RESULTS: Of 68 patients, 69% had septal hypertrophy, 21% concentric and 10% apical hypertrophies. Concentric hypertrophy showed the greatest myocardial fibrosis mass (p < 0.001) and the greatest R wave size in D1 (p = 0.0280). The amplitudes of R waves in V5 and V6 (p = 0.0391, p = 0.0148) were higher in apical hypertrophy, with statistical significance. Apical hypertrophy was also associated with higher T wave negativity in D1, V5 and V6 (p < 0.001). Strain pattern was found in 100% of the patients with apical hypertrophy (p < 0.001). CONCLUSION: The location of myocardial hypertrophy by cardiac magnetic resonance can be correlated with electrocardiographic changes, especially for apical hypertrophy. |
format | Online Article Text |
id | pubmed-5831302 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | Sociedade Brasileira de Cardiologia - SBC |
record_format | MEDLINE/PubMed |
spelling | pubmed-58313022018-03-12 Correlation of Electrocardiographic Changes with Cardiac Magnetic Resonance Findings in Patients with Hypertrophic Cardiomyopathy Paixão, Gabriela Miana de Mattos Veronesi, Horácio Eduardo da Silva, Halsted Alarcão Gomes Pereira de Alencar Neto, José Nunes Maldi, Carolina de Paulo Aguiar Filho, Luciano de Figueiredo Pinto, Ibrahim Masciarelli Francisco de França, Francisco Faustino de Albuquerque Carneiro Correia, Edileide de Barros Arq Bras Cardiol Original Articles BACKGROUND: Electrocardiogram is the initial test in the investigation of heart disease. Electrocardiographic changes in hypertrophic cardiomyopathy have no set pattern, and correlates poorly with echocardiographic findings. Cardiac magnetic resonance imaging has been gaining momentum for better assessment of hypertrophy, as well as the detection of myocardial fibrosis. OBJECTIVES: To correlate the electrocardiographic changes with the location of hypertrophy in hypertrophic cardiomyopathy by cardiac magnetic resonance. METHODS: This descriptive cross-sectional study evaluated 68 patients with confirmed diagnosis of hypertrophic cardiomyopathy by cardiac magnetic resonance. The patients’ electrocardiogram was compared with the location of the greatest myocardial hypertrophy by cardiac magnetic resonance. Statistical significance level of 5% and 95% confidence interval were adopted. RESULTS: Of 68 patients, 69% had septal hypertrophy, 21% concentric and 10% apical hypertrophies. Concentric hypertrophy showed the greatest myocardial fibrosis mass (p < 0.001) and the greatest R wave size in D1 (p = 0.0280). The amplitudes of R waves in V5 and V6 (p = 0.0391, p = 0.0148) were higher in apical hypertrophy, with statistical significance. Apical hypertrophy was also associated with higher T wave negativity in D1, V5 and V6 (p < 0.001). Strain pattern was found in 100% of the patients with apical hypertrophy (p < 0.001). CONCLUSION: The location of myocardial hypertrophy by cardiac magnetic resonance can be correlated with electrocardiographic changes, especially for apical hypertrophy. Sociedade Brasileira de Cardiologia - SBC 2018-01 /pmc/articles/PMC5831302/ /pubmed/29538524 http://dx.doi.org/10.5935/abc.20170189 Text en http://creativecommons.org/licenses/by/4.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Original Articles Paixão, Gabriela Miana de Mattos Veronesi, Horácio Eduardo da Silva, Halsted Alarcão Gomes Pereira de Alencar Neto, José Nunes Maldi, Carolina de Paulo Aguiar Filho, Luciano de Figueiredo Pinto, Ibrahim Masciarelli Francisco de França, Francisco Faustino de Albuquerque Carneiro Correia, Edileide de Barros Correlation of Electrocardiographic Changes with Cardiac Magnetic Resonance Findings in Patients with Hypertrophic Cardiomyopathy |
title | Correlation of Electrocardiographic Changes with Cardiac Magnetic
Resonance Findings in Patients with Hypertrophic Cardiomyopathy |
title_full | Correlation of Electrocardiographic Changes with Cardiac Magnetic
Resonance Findings in Patients with Hypertrophic Cardiomyopathy |
title_fullStr | Correlation of Electrocardiographic Changes with Cardiac Magnetic
Resonance Findings in Patients with Hypertrophic Cardiomyopathy |
title_full_unstemmed | Correlation of Electrocardiographic Changes with Cardiac Magnetic
Resonance Findings in Patients with Hypertrophic Cardiomyopathy |
title_short | Correlation of Electrocardiographic Changes with Cardiac Magnetic
Resonance Findings in Patients with Hypertrophic Cardiomyopathy |
title_sort | correlation of electrocardiographic changes with cardiac magnetic
resonance findings in patients with hypertrophic cardiomyopathy |
topic | Original Articles |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5831302/ https://www.ncbi.nlm.nih.gov/pubmed/29538524 http://dx.doi.org/10.5935/abc.20170189 |
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