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目的探讨血管迷走性晕厥(VVS)患者与身高、体质量及人体质量指数(BMI)的关系。方法2001-01～2007-08在中南大学湘雅二医院晕厥专科门诊就诊或住院的不明原因晕厥(UPS)或先兆晕厥患者418例,经直立倾斜试验(HUTT)检查阳性诊断为VVS,其中4～17岁[平均(11·37±2·99)岁]223例(儿童组),18～70岁[平均(36·82±13·64)岁]195例(成人组)。测量身高、体质量,计算BMI。结果成人组HUTT阳性患者、HUTT阴性患者BMI在头晕组稍高于晕厥组(P>0·05);HUTT阴性组较HUTT阳性组BMI及体质量明显增高(P<0·01),两组身高比较差异无统计学意义(P>0·05)。儿童组BMI在各年龄段HUTT阴性组与HUTT阳性组比较差异均无统计学意义(P>0·05)。儿童HUTT阳性组或HUTT阴性组BMI与年龄均呈直线相关,两组直线回归显示,16岁以下儿童BMI在HUTT阴性组高于HUTT阳性组,16岁以上则呈相反变化。结论成人低体质量和低BMI者晕厥易感性增加,儿童BMI与晕厥易感性相关不密切。
Objective To investigate the relationship between height, body mass and body mass index (BMI) in patients with vasovagal syncope (VVS). Methods A total of 418 patients with unexplained syncope (UPS) or syncope were enrolled in the Syncope Specialist Clinic of the Second Xiangya Hospital of Central South University from January 2001 to August 2007 and were diagnosed as VVS by Hipotaxy Test (HUTT). Among them, 4 A total of 195 (adults) children aged ~ 17 years [mean (11.37 ± 2.99) years] were enrolled in the study. Of 223 children (children) and 18-70 years [mean (36.882 ± 13.64) years] Measure height, weight, calculate BMI. Results The BMI of HUTT-positive patients and HUTT-negative patients was slightly higher than that of syncope group in HUTT-negative patients (P> 0.05). The BMI and body weight of HUTT-negative patients were significantly higher than those of HUTT-positive patients (P <0.01) No significant difference in height (P> 0.05). There was no significant difference in children’s BMI between HUTT-negative group and HUTT-positive group at all ages (P> 0.05). There was a linear correlation between BMI and age in both HUTT positive group and HUTT negative group. The linear regression of the two groups showed that the BMI in HUTT negative group was higher than that in HUTT positive group, while the change was over 16 years old. Conclusion The prevalence of syncope in adults with low body mass and low BMI increased. The BMI in children was not closely related to the susceptibility to syncope.