Measurement of total RBC volume relative to lean body mass for diagnosis of polycythemia.
作者： Nathaniel I. Berlin , S. Mitchell Lewis
DOI: 10.1309/KP4E-MBUY-VGT7-HMAV
关键词: Body water 、 Animal science 、 Endocrinology 、 Obesity 、 Total body water measurement 、 Kilogram 、 Body density 、 Body weight 、 Volume (thermodynamics) 、 Lean body mass 、 Internal medicine 、 Medicine
摘要: An elevated total RBC volume (TRCV) in milliliters per kilogram of body weight has been an essential criterion for determining whether a person is polycythemic. This may be misleading obese subjects as the TRCV fat only one-tenth that lean mass (LBM). Various formulas based on surface area have used to account this difference, but they are not always reliable. Direct measurement was obtained originally studies which composition determined by combined density and water method. impractical routine procedure, simple-to-use instruments now available direct person’s percentage impedance technology. Thus, can discounts effects fat, graph designed normalize LBM. The men women established 36 mL/kg LBM; when it more than 43 LBM, diagnosis polycythemia made with confidence.
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