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Korean J Crit Care Med > Volume 26(3); 2011 > Article
Korean Journal of Critical Care Medicine 2011;26(3): 157-161. doi: https://doi.org/10.4266/kjccm.2011.26.3.157
뇌사 장기 기증자에서 나타나는 갑상선 호르몬 변화
이재명ㆍ이영주
아주대학교 의과대학 마취통증의학교실
Thyroid Hormonal Changes in Brain Death Donors
Jae Myeong Lee, Young Joo Lee
Department of Pain and Anesthesiology, Ajou University School of Medicine, Suwon, Korea. sicuab@hotmail.com
ABSTRACT
BACKGROUND: We analyzed thyroid hormone values in brain death patients to determine the need for thyroid hormone replacement therapy. METHODS: We analyzed 111 brain death donors (77 males and 34 females, mean age, 41.1 years (range; 8 months -72 years) in Ajou University Hospital from 2000 to 2010. RESULTS: The mean values of thyroid hormones were T3; 72.5 ng/dl (normal range [NR] 60-181 ng/dl), T4; 5.0 microg/dl (NR 4.5-10.9 microg/dl), free T4 1.0 ng/dl (NR 0.8-1.5 ng/dl), and TSH 1.5 microIU/ml (NR 0.35-5.5 microIU/ml), respectively. However, the values of T4 (correlation coefficient -0.264, p = 0.005), free T4 (correlation coefficient -0.305, p = 0.001) and TSH (correlation -0.206, p = 0.031) significantly decreased based on the increase of interval from the brain death-inducing event to the evaluation time (hereafter, interval). The patients with greater than 8 days of interval (N = 30) showed significantly low thyroid hormone values compared to patients with less than 8 days of interval (N = 81); T3 (70.3 ng/dl vs. 77.0 ng/dl, p = 0.242), T4 (4.7 ng/dl vs. 5.3 ng/dl, p = 0.015), free T4 (0.8 ng/dl vs. 1.2 ng/dl, p = 0.006) and TSH (1.0 microIU/ml vs. 2.0 microIU/ml, p = 0.000), respectively. CONCLUSIONS: As the intervals from the brain death-inducing events increased, all thyroid hormone values of brain death donors except T3 significantly decreased. Therefore, we recommend that careful consideration should be given to the interval from brain death-inducing event for the evaluation of thyroid hormone status of brain death patients.
Key Words: brain death donor; replacement; thyroid hormone
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