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本文测定了早产适于胎龄儿,足月、早产小于胎龄儿和足月健康适于胎龄儿(对照组)的脐血清三碘甲腺原氨酸(T_3)、甲状腺素(T_4)和促甲状腺激素(TSH)含量,结果表明,早产适于胎龄儿脐血清 T_3、T_4浓度明显比对照组低,胎龄大小与脐血清 T_3、T_4浓度高低呈正相关;足月、早产小于胎龄儿脐血清 T_3、T_4浓度比足月、早产适于胎龄儿低;早产适于胎龄儿和足月、早产小于胎龄儿脐血清TSH 浓度与对照组比较无显著差异;早产适于胎龄儿和足月、早产小于胎龄儿脐血清 T_3、T_4浓度均分别与其1分钟 Apgar 评分呈正相关。说明早产儿和小于胎龄儿易发生暂时性低甲状腺素血症,低甲状腺素血症的婴儿易发生新生儿窒息。
In this paper, the determination of cord blood serum triiodothyronine (T_3), thyroxine (T_4), gestational age, gestational age, premature babies and full term healthy gestational age And thyroid stimulating hormone (TSH) levels. The results showed that the cord blood serum T_3 and T_4 concentrations in premature labor were significantly lower than those in control group. The gestational age was positively correlated with the levels of cord blood serum T_3 and T_4. Umbilical serum T_3, T_4 concentrations than full-term, premature for low gestational age; premature delivery for gestational age and full-term, preterm preterm small urogenital serum TSH concentrations were no significant difference compared with the control group; premature delivery for The levels of T_3 and T_4 in umbilical serum of gestational age and full-term, preterm labor less than gestational age were positively correlated with their 1-minute Apgar scores. That premature children and less than gestational age children prone to transient hypothyroxinemia, hypothyroxine in infants prone to neonatal asphyxia.