| Normal TSH Levels in Neonates by TSH Screening test. |
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Jae Won Song1, Jong Lin Rhi1, Sei Won Yang1, Jung Hwan Choi1, Chong Ku Yun1, Hyung Ro Moon1, Bo Youn Cho2, Chang Soon Koh2 |
1Department of Pediatrics, College of Medicine, Seoul National University, Seoul, Korea
2Department of Internal Medicine, College of Medicine, Seoul National University, Seoul, Korea |
| TSH Screening 검사에 의한 신생아의 TSH
정상치에 관한 연구 |
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송재원1, 이종린1, 양세원1, 최중환1, 윤종구1, 문형로1, 조보연2, 고창순2 |
1서울대학교 의과대학 소아과학교실
2서울대학교 의과대학 내과학교실 |
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Received: 13 November 1987 • Accepted: 6 January 1988 |
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| Abstract |
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In 110 term neonates without perinatal problems who were bom in SNUH, blood TSH levels were
measured by TSH screening test for congenital hypothyroidism. The results are as follows
1) Normal TSH level was 14.8±7.8 µU/ml, 8.8±4.7 µU/ml, and 6.5±2.7 µU/ml in neonates of age
0 〜24 hours, 24—48 hours, and 48〜72 hours respectively, and all TSH values in neonates of age
48〜72 hours were below 15 µU/ml.
2) There was no significant difference in TSH level between male and female and types of delivery,
and TSH value did not correlate with birth weight.
3) In fullterm neonates bom in SNUH, the cutoff point of TSH level at age 48〜72 hours was
15 µU/ml, and so if TSH value was above this level as screening procedure, recall for serum sampling
and clinical evaluation for congenital hypothyroidism would be required. |
| Key Words:
TSH, Neonatal screening, Congenital hypothyroidism |
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