Association between ventricular premature contraction burden and ventricular repolarization duration
Rev. Assoc. Med. Bras. (1992, Impr.)
;
68(11): 1571-1575, Nov. 2022. tab
Artículo
en Inglés
|
LILACS-Express
| LILACS
| ID: biblio-1406590
ABSTRACT
SUMMARY OBJECTIVE:
Premature ventricular contraction is generally known as benign in the absence of structural heart disease; however, premature ventricular contraction-induced left ventricular systolic dysfunction or ventricular arrhythmias are defined in some cases. Ventricular repolarization duration differs between myocardial cells, which causes myocardial electrical heterogeneity and is thought to be responsible for ventricular arrhythmias. In our study, we aimed to evaluate the association of ventricular repolarization parameters including Tp-Te interval, Tp-Te/QT ratio, and QRS-T angle with premature ventricular contraction frequency in patients with premature ventricular contraction burden.METHODS:
A total of 80 subjects who were admitted to our cardiology department and underwent 24-h electrocardiography Holter monitoring were included. Patients were divided into two groups group 1 is defined as premature ventricular contraction burden that had frequent premature ventricular contraction ≥1% in 24-h Holter monitoring, and group 2 is defined as rare premature ventricular contraction <1% in 24-h Holter monitoring.RESULTS:
Tp-Te interval and Tp-Te/QT ratio are statistically significantly prolonged in the premature ventricular contraction burden group than in the control group (85.3±13.9 vs. 65.7±11.9, p<0.001; 0.19±0.03 vs. 0.15±0.02, p<0.001, respectively). QRS-T angle was statistically significantly abnormal in the premature ventricular contraction burden group (p=0.024).CONCLUSION:
Increased Tp-Te interval and widened QRS-T angle are associated with ventricular arrhythmias and might be used for the prediction of premature ventricular contraction burden in patients with premature ventricular contraction in electrocardiography in the absence of 24-h Holter monitoring.
Texto completo:
Disponible
Índice:
LILACS (Américas)
Tipo de estudio:
Factores de riesgo
Idioma:
Inglés
Revista:
Rev. Assoc. Med. Bras. (1992, Impr.)
Asunto de la revista:
EducaÆo em Sa£de
/
GestÆo do Conhecimento para a Pesquisa em Sa£de
/
Medicina
Año:
2022
Tipo del documento:
Artículo
País de afiliación:
Chipre
/
Turquía
Institución/País de afiliación:
Mersin City Training and Research Hospital/TR
/
Yakın Doğu Üniversitesi/CY
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