MacDonald A A, Payne B D, Kaufman L, Heymann M A, Rudolph A M
Res Vet Sci. 1987 Jan;42(1):7-11.
A non-radioactive fluorescent excitation analysis technique was used to measure total red blood cell volume in 31 unanaesthetised pig fetuses in utero. Red blood cell volume (y in ml) was closely related (r = 0.94) to fetal bodyweight (x in g): where y = 2.92 + 0.0291x. Average red blood cell volume was 34 +/- 1 ml kg-1 fetal bodyweight. Average estimated (total) blood volume was 117 +/- 3 ml kg-1 fetal bodyweight. It was concluded that this non-radioactive indicator dilution measurement of red blood cell volume is a significant advance over the established 51Cr method, and that measurement of red blood cell volume may be used to estimate fetal bodyweight in utero.
采用一种非放射性荧光激发分析技术测量了31只未麻醉的子宫内猪胎儿的总红细胞体积。红细胞体积（y，单位为毫升）与胎儿体重（x，单位为克）密切相关（r = 0.94）：y = 2.92 + 0.0291x。平均红细胞体积为34±1毫升/千克胎儿体重。平均估计（总）血容量为117±3毫升/千克胎儿体重。得出的结论是，这种非放射性指示剂稀释法测量红细胞体积是对已确立的51Cr法的重大改进，并且红细胞体积测量可用于估计子宫内胎儿体重。
