Prediction of the left ventricular mass from the electrocardiogram in systemic hypertension

被引:21
作者
deVries, SO
Heesen, WF
Beltman, FW
Kroese, AH
May, JF
Smit, AJ
Lie, KI
机构
[1] UNIV GRONINGEN,FAC MED,DEPT GEN PRACTICE,HYPERTENS SERV,GRONINGEN,NETHERLANDS
[2] UNIV GRONINGEN,FAC MATH & PHYS,DEPT MATH STAT,9700 AB GRONINGEN,NETHERLANDS
[3] UNIV GRONINGEN HOSP,DEPT CARDIOL,GRONINGEN,NETHERLANDS
[4] UNIV GRONINGEN HOSP,DEPT INTERNAL MED,9713 EZ GRONINGEN,NETHERLANDS
关键词
D O I
10.1016/S0002-9149(96)00032-X
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Although echocardiography provides a reliable method to determine left ventricular (LV) mass, it may not be available in all settings. Numerous electrocardiographic (EGG) criteria for the detection of LV hypertrophy have been developed, but few attempts have been made to predict the LV mass itself from the EGG. In a community-based survey program in the general population, 277 subjects were identified with untreated diastolic hypertension (diastolic blood pressure 95 to 115 mm Hg, 3 occasions) or isolated systolic hypertension (diastolic blood pressure <95 mm Hg and systolic blood pressure 160 to 220 mm Hg, 3 occasions). All subjects underwent ECG and echocardiography on the same day. A multiple linear regression analysis was performed using a random training sample of the data set (n = 185). The independent variables included both ECG and non-EGG variables. The resulting model was used to predict the LV mass in the remainder of the data set, the validation sample (n = 92). Using sex, age, body surface area, the S-voltage in V-1 and V-4, and the duration of the terminal P in V-1 as independent variables, the model explained 45% of the variance (r = 0.67) in the training sample and 42% (r = 0.65) in the validation sample. This result exceeded that of 2 existing ECG models for LV mass (r = 0.40 and 0.41). The correlations between LV mass and combinations of ECG variables used for the detection of LV hypertrophy, such as the Sokolow-Lyon Voltage (r = 0.03) and the Cornell Voltage (r = 0.31), were comparatively low. in settings where echocardiography is not available or is too expensive and time-consuming, prediction of the LV mass from the ECG may offer a valuable alternative.
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收藏
页码:974 / 978
页数:5
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