The association between atrium electromechanical interval and pericardial fat

Pericardial fat (PCF) may induce local inflammation and subsequent structural remodeling of the left atrium (LA). However, the adverse effects of PCF on LA are difficult to be evaluated and quantified. The atrial electromechanical interval determined by transthoracic echocardiogram was shown to be a...

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Veröffentlicht in:PloS one 2014-05, Vol.9 (5), p.e97472-e97472
Hauptverfasser: Chao, Tze-Fan, Lai, Yau-Huei, Yun, Chun-Ho, Yen, Chih-Hsuan, Wang, Kang-Ling, Lin, Yenn-Jiang, Chang, Shih-Lin, Lo, Li-Wei, Hu, Yu-Feng, Hung, Chung-Lieh, Kuo, Jen-Yuan, Yeh, Hung-I, Chen, Shih-Ann
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container_title PloS one
container_volume 9
creator Chao, Tze-Fan
Lai, Yau-Huei
Yun, Chun-Ho
Yen, Chih-Hsuan
Wang, Kang-Ling
Lin, Yenn-Jiang
Chang, Shih-Lin
Lo, Li-Wei
Hu, Yu-Feng
Hung, Chung-Lieh
Kuo, Jen-Yuan
Yeh, Hung-I
Chen, Shih-Ann
description Pericardial fat (PCF) may induce local inflammation and subsequent structural remodeling of the left atrium (LA). However, the adverse effects of PCF on LA are difficult to be evaluated and quantified. The atrial electromechanical interval determined by transthoracic echocardiogram was shown to be a convenient parameter which can reflect the process of LA remodeling. The goal of the present study was to investigate the association between the electromechanical interval and PCF. A total of 337 patients with mean age of 51.9 ± 9.0 years were enrolled. The electromechanical interval (PA-PDI) defined as the time interval from the initiation of the P wave deflection to the peak of the mitral inflow A wave on the pulse wave Doppler imaging was measured for every patient. The amount of PCF was determined by multi-detector computed tomography. The PA-PDI interval was significantly correlated with the amount of PCF (r = 0.641, p value
doi_str_mv 10.1371/journal.pone.0097472
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However, the adverse effects of PCF on LA are difficult to be evaluated and quantified. The atrial electromechanical interval determined by transthoracic echocardiogram was shown to be a convenient parameter which can reflect the process of LA remodeling. The goal of the present study was to investigate the association between the electromechanical interval and PCF. A total of 337 patients with mean age of 51.9 ± 9.0 years were enrolled. The electromechanical interval (PA-PDI) defined as the time interval from the initiation of the P wave deflection to the peak of the mitral inflow A wave on the pulse wave Doppler imaging was measured for every patient. The amount of PCF was determined by multi-detector computed tomography. The PA-PDI interval was significantly correlated with the amount of PCF (r = 0.641, p value &lt;0.001). Graded prolongation of PA-PDI interval was observed across 3 groups of patients divided according to the tertile values of PCF. The AUC for the PA-PDI interval in predicting an increased amount of PCF (third tertile) was 0.796. At a cutoff value of 130 ms identified by the ROC curve, the sensitivity and specificity of PA-PDI interval in identifying patients with a highest tertile of PCF were 63.4% and 85.3%, respectively. The PA-PDI intervals were longer in patients with an increased amount of PCF. 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However, the adverse effects of PCF on LA are difficult to be evaluated and quantified. The atrial electromechanical interval determined by transthoracic echocardiogram was shown to be a convenient parameter which can reflect the process of LA remodeling. The goal of the present study was to investigate the association between the electromechanical interval and PCF. A total of 337 patients with mean age of 51.9 ± 9.0 years were enrolled. The electromechanical interval (PA-PDI) defined as the time interval from the initiation of the P wave deflection to the peak of the mitral inflow A wave on the pulse wave Doppler imaging was measured for every patient. The amount of PCF was determined by multi-detector computed tomography. The PA-PDI interval was significantly correlated with the amount of PCF (r = 0.641, p value &lt;0.001). Graded prolongation of PA-PDI interval was observed across 3 groups of patients divided according to the tertile values of PCF. The AUC for the PA-PDI interval in predicting an increased amount of PCF (third tertile) was 0.796. At a cutoff value of 130 ms identified by the ROC curve, the sensitivity and specificity of PA-PDI interval in identifying patients with a highest tertile of PCF were 63.4% and 85.3%, respectively. The PA-PDI intervals were longer in patients with an increased amount of PCF. It may be a useful parameter to represent the degree of PCF-related atrial remodeling.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>24841847</pmid><doi>10.1371/journal.pone.0097472</doi><oa>free_for_read</oa></addata></record>
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subjects Atherosclerosis
Atrial Fibrillation - physiopathology
Atrium
Biology and Life Sciences
Blood tests
Cardiac arrhythmia
Cardiology
Cardiovascular disease
Catheters
Clinical medicine
Computed tomography
Doppler effect
Echocardiography
Echocardiography, Doppler
Female
Heart
Heart Atria - physiopathology
Heart Rate - physiology
Hospitals
Humans
Inflow
Internal medicine
Male
Medicine
Medicine and Health Sciences
Middle Aged
Nursing
Parameters
Patients
Pericardium - metabolism
Prolongation
ROC Curve
title The association between atrium electromechanical interval and pericardial fat
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