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Detection of hypertensive patients at risk for paroxysmal atrial fibrillation during si...
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Detection of hypertensive patients at risk for paroxysmal atrial fibrillation during sinus rhythm by computer‐assisted P wave analysis
作者:
Polychronis Dilaveris,
Elias Gialafos,
Dimitris Chrissos,
George Andrikopoulos,
Dimitris Richter,
Elena Lazaki,
John Gialafos,
期刊:
Journal of Hypertension
(OVID Available online 1999)
卷期:
Volume 17,
issue 10
页码: 1463-1470
ISSN:0263-6352
年代: 1999
出版商: OVID
关键词: atrial fibrillation;electrocardiogram;hypertension;P-wave duration
数据来源: OVID
摘要:
Objective and methodsTo determine whether hypertensive patients at risk for paroxysmal atrial fibrillation (AF) could be detected while in sinus rhythm, a computer-based 12-lead surface electrocardiogram was recorded in 50 hypertensive patients with history of paroxysmal AF (group A) and in 60 hypertensive patients without history of AF (group B). The maximum P-wave duration (Pmaximum), the minimum P-wave duration (Pminimum), P-wave dispersion (Pdispersion= Pmaximum− Pminimum), adjusted P-wave dispersion (APdispersion= Pdispersion/square root of the number of measurable leads), mean P-wave duration (mean P) and the standard deviation of the P-wave duration in all measured leads (SDP) were calculated.ResultsPdispersion, APdispersionand SDP were significantly higher in group A than in group B (Pdispersion, 52 ± 19 versus 41 ± 15 ms,P< 0.001; APdispersion, 15.2 ± 5.5 versus 11.9 ± 4.6 ms,P< 0.001; SDP, 16 ± 5 versus 13 ± 5 ms,P< 0.001). Pminimum, mean P and left ventricle ejection fraction (LVEF) were significantly lower in group A than in group B (Pminimum, 79 ± 18 versus 91 ± 13 ms,P< 0.001; mean P, 108 ± 18 versus 116 ± 13 ms,P= 0.005; LVEF, 64 ± 5 versus 69 ± 8%,P< 0.001). Pminimum, Pdispersion, mean P, SDP, APdispersionand LVEF were found to be significant univariate predictors of paroxysmal AF, whereas only Pminimum(P< 0.001) remained a significant independent predictor of paroxysmal AF in the multivariate analysis.ConclusionHypertensive patients at risk for paroxysmal AF could be detected while in sinus rhythm by computer-assisted electrocardiographic P-wave analysis.
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