通过磁共振成像、双能X线吸收法和人体测量法对非肥胖男性和女性腹部脂肪进行测量。
Measurement of abdominal fat by magnetic resonance imaging, dual-energy X-ray absorptiometry and anthropometry in non-obese men and women.
作者信息
Kamel E G, McNeill G, Han T S, Smith F W, Avenell A, Davidson L, Tothill P
机构信息
Department of Medicine and Therapeutics, University of Aberdeen, UK.
出版信息
Int J Obes Relat Metab Disord. 1999 Jul;23(7):686-92. doi: 10.1038/sj.ijo.0800904.
OBJECTIVE
To investigate whether the dual-energy X-ray absorptiometry (DEXA) was a better predictor of abdominal fat, measured by magnetic resonance imaging (MRI) at the level of L2-L3, than anthropometric measurements in non-obese men and non-obese women.
DESIGN
Observational, cross sectional study.
SUBJECTS
34 healthy subjects (17 men and 17 women) aged 20-53 y with a body mass index (BMI) < 30 kg/m2.
MEASUREMENTS
Fat distribution parameters including waist circumference and waist-to-hip ratio (WHR); intra abdominal fat (IAF) by MRI; and central abdominal fat (CAF) by DEXA.
RESULTS
Measurement of IAF by MRI, was highly correlated to the CAF measured by DEXA. In men, both waist circumference and WHR had similar correlation to IAF as DEXA. In women, waist circumference was less well correlated with IAF than DEXA, and the WHR had a weaker non significant correlation with IAF.
CONCLUSIONS
In non-obese men; DEXA, waist circumference and WHR can predict IAF equally well, while in non-obese women, DEXA is superior to waist circumference and much better than WHR.
目的
探讨在非肥胖男性和非肥胖女性中，双能X线吸收法（DEXA）是否比人体测量学指标能更好地预测通过磁共振成像（MRI）在L2 - L3水平测量的腹部脂肪。
设计
观察性横断面研究。
研究对象
34名年龄在20 - 53岁、体重指数（BMI）< 30 kg/m²的健康受试者（17名男性和17名女性）。
测量指标
脂肪分布参数，包括腰围和腰臀比（WHR）；通过MRI测量的腹内脂肪（IAF）；以及通过DEXA测量的腹部中央脂肪（CAF）。
结果
MRI测量的IAF与DEXA测量的CAF高度相关。在男性中，腰围和WHR与IAF的相关性与DEXA相似。在女性中，腰围与IAF的相关性不如DEXA，且WHR与IAF的相关性较弱且无统计学意义。
结论
在非肥胖男性中，DEXA、腰围和WHR对IAF的预测效果相当，而在非肥胖女性中，DEXA优于腰围，且比WHR好得多。
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