Assessment of obesity and its clinical implication

Assessment of obesity and its clinical implications
Thang S Han,[link widoczny dla zalogowanych], specialist registrar,[link widoczny dla zalogowanych], Naveed Sattar,[link widoczny dla zalogowanych], Mike Leandepartment of diabetes and endocrinology, University College London Hospitals.
Obesity could be assessed in a number of ways. Each method has advantages and disadvantages,[link widoczny dla zalogowanych], and also the appropriateness and scientific acceptability of each method will depend on the problem.
For weight measurement subjects should ideally maintain light clothing and bare feet,[link widoczny dla zalogowanych], fasting,[link widoczny dla zalogowanych], and with empty bladder; repeat measures are best made at same time of day
Levels of health risks related to waist circumference (cm),[link widoczny dla zalogowanych], defined by waist circumference action levels in white men and women
The assessment methods often measure different factors of obesity-for example,[link widoczny dla zalogowanych], total or regional adiposity. Additionally they produce different results when they're accustomed to estimate morbidity and mortality. If you find increased excess fat,[link widoczny dla zalogowanych], there will also be necessary increases in some lean tissue,[link widoczny dla zalogowanych], such as the fibrous and vascular tissues in adipose tissue,[link widoczny dla zalogowanych], heart muscle,[link widoczny dla zalogowanych], bone mass,[link widoczny dla zalogowanych], and truncal or postural musculature. Each one of these non-fat tissues possess a higher density (1.0 g/ml) than fat (0.7 g/ml). The density of non-fat tissues can also be increased by physical activity, which of course has a tendency to reduce excess fat.
The correlation of visceral fat with waist circumference is strong. Adapted from Han TS et al,[link widoczny dla zalogowanych]. Int J Obes Relat Metab Disord 1997,[link widoczny dla zalogowanych];21: 587-93
In general, measurements of bodyweight and body dimensions (anthropometry) are used to reflect body fat in large (epidemiological) studies or perhaps in clinic settings as a result measurements give a rapid and cheap way to estimate body fatness and fat distribution. Densitometry or imaging techniques are utilized in smaller scale studies for example many studies.相关的主题文章：

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