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[Diagnostic and therapeutic trends in the use of on an easily executed method of blood volume determination]
In 59 subjects with varying pathology--mainly hepatic, cardiac and digestive diseases--the plasmatic, corpuscular and total blood volume was calculated by means of a colorimetric method: BSP clearance. The normal values compared with those obtained by other colorimetric methods give a slight overestimation. On the basis of the Ht the subjects are divided into three groups. In each group, subgroups are recognised with reference to total and fractional blood volume changes. The analysis evidences that a normal Ht is often present in pathological states, with variations in the two consensual blood volume components. In other situations in which the Ht is impaired, the degree of variation may be over or underestimated through inverse variation of the two components.
In 59 subjects with varying pathology--mainly hepatic, cardiac and digestive diseases--the plasmatic, corpuscular and total blood volume was calculated by means of a colorimetric method: BSP clearance. The normal values compared with those obtained by other colorimetric methods give a slight overestimation. On the basis of the Ht the subjects are divided into three groups. In each group, subgroups are recognised with reference to total and fractional blood volume changes. The analysis evidences that a normal Ht is often present in pathological states, with variations in the two consensual blood volume components. In other situations in which the Ht is impaired, the degree of variation may be over or underestimated through inverse variation of the two components.