Cornell指数对高血压病患者左室构型的诊断价值

Value of Cornell index in diagnosis of left ventricular hypertrophy in patients with essential hypertension

目的:观察心电图Cornell指数对高血压病左室肥厚以及左室肥厚不同几何构型的诊断价值。方法:选用本院住院以及门诊高血压病患者96(男50,女46)例,年龄(54±14)岁。根据心脏超声检查的结果,将入选患者分为4组:①正常几何形态(normal geometry,N);②向心性重构(concentric remodeling,CR);③向心性肥厚(concentrichypertrophy,CH);④离心性肥厚(eccentric hypertrophy,EH),观察心电图Cornell指数在各组中的阳性率。结果:Cornell指数均能明显区分正常心脏形态及左心室肥厚;在不同左室肥厚构型中,Cornell电压指数>2.8 mV(男)和Cornell电压指数>2.0 mV(女)以及Cornell乘积指数>2 440 mm/ms能够显著区分CH(阳性率分别为88%、85%和82%)和EH(阳性率分别为62%、60%和62%)(P<0.01);Cornell乘积指数>2 440 mm/ms(在CR组的阳性率(80%、75%)明显高于EH组(62%、40%)(P<0.01)。结论:心电图Cornell电压指数及Cornell乘积指数可较好鉴别高血压病左室肥厚的不同几何构型。

AIM： To assess the diagnostic values of Cornell indexes in diagnosis of left ventricular hyper- trophy （LVH） and in detecting different geometric patterns of hypertrophy in patients with essential hypertension. METHODS： Ninety-six patients with essential hypertension were divided into four groups according to the different parameters of echoeardiography such as left ventricular mass index and relative wall thickness： normal geometry group （N）, concentric remodeling group （CR）, concentric hypertrophy group （CH） and eccentric hypertrophy group （EH）. Cornell indexes in different groups were analyzed. RESULTS： Cornell voltage index and Cornell product index differentiated LVH from normal geometry. Cornell voltage index 〉 2. 8 mv （ male）, Cornell voltage index 〉 2. 0 mv （female） and Cornell product index 〉 2 440 mm/msec （male） were of great value in discriminating CH （88.2%, 84. 6% and 82. 4%） andEH （62.5%, 60. 0% and 62. 5%） （P〈0.01）. Cornell product index 〉2 440 ram/ msec （male and female） was significantly higher in the CR group （80. 0%, 75.0% ） compared with that in the EH group （62.5%, 40. 0% ） （P 〈0. 01 ）. CONCLUSION： Cornell voltage index and Cornell product index have significant values in discriminating different geometric patterns of LVH.