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本文报告正常新生儿脐血109例、生后四天内的正常新生儿静脉血104例、早产儿脐血及生后四天内的静脉血7例的血清甲状腺激素、T_3树脂摄取比值、游离甲状腺素指数及促甲状腺素的测定。发现正常新生儿脐血T_3值及T_3树脂摄取比值均明显低于正常成年人值(P<0.001);而脐血TSH浓度稍高于正常成年人值(P<0.05)。配对的新生儿脐血与静脉血资料表明,静脉血的各项测定值均显著高于脐血(P<0.001)。
This article reports 109 cases of normal neonatal umbilical cord blood, normal newborn venous blood in 104 cases within 4 days after birth, umbilical cord blood and prenatal four days of venous blood in 7 cases of serum thyroid hormone, T_3 resin uptake ratio, free thyroxine Index and Determination of Thyroxine. It was found that the ratio of T_3 and T_3 resin uptake in normal neonates was significantly lower than that in normal adults (P <0.001), while the TSH concentration in cord blood was slightly higher than that in normal adults (P <0.05). Matched neonatal cord blood and venous blood data show that the measured values of venous blood were significantly higher than cord blood (P <0.001).