Objective·To investigate the effect of temporary hypothyroidism state to liver function, serum lipid and blood routine in patients with differentiated thyroid cancer (DTC) prepared for radioactive iodine treatment. Methods?·?A total of 182 patients with DTC undergoing radical operation of thyroid cancer and radioactive iodine treatment were collected. All these patients were divided into 3 groups by age: 26 in young group (<30 years), 112 in middle-aged group (30-54 years) and 44 in elderly group (?≥?55 years). Indicators of liver function, blood lipids and blood routine were compared before and after operation, among groups as well. Results?·?Patients under hypothyroidism state had significantly elevations in ALT, AST, LDH and serum bile acid, but a notable decrease of serum bilirubin (all P<0.05). Meanwhile they had remarkable elevations in triglyceride, cholesterol, LDL and HDL (all P<0.05). In the young group before thyroid hypothyroidism treatment, the elevation of ALT, AST, LDH and serum bile acid were more significant than those of the middle-aged and elderly patients (all P<0.05). Conclusion?·?The temporary hypothyroidism state of differentiated thyroid cancer patients could elevate liver enzymes as well as dyslipidemia.%目的·观察分化型甲状腺癌(differentiated thyroid cancer,DTC)患者在停用左旋甲状腺激素所致的一过性甲状腺功能减退(简称甲减)状态下肝功能、血脂及血常规的变化.方法·收集行甲状腺癌根治术及 131I治疗的182例患者术前(甲状腺功能正常)和术后甲减状态(停用甲状腺素3～4周,促甲状腺激素>30 mU/L)的肝功能、血常规、血脂等测定结果.将患者按照年龄分为3组:青年组(<30岁)26例,中年组(30～54岁)112例,老年组(≥55岁)44例.比较手术前后以及不同组别患者各项指标的差异.结果·碘治疗前甲减状态下患者的谷丙转氨酶、谷草转氨酶、乳酸脱氢酶及胆汁酸均有升高(均P<0.05),而血清直接胆红素和总胆红素水平出现下降(均P<0.05),三酰甘油、总胆固醇、高密度脂蛋白、低密度脂蛋白升高(均P<0.05),红细胞与血红蛋白轻度升高.青年组碘治疗前甲减状态下,谷丙转氨酶、谷草转氨酶、乳酸脱氢酶、胆汁酸升高较中年组及老年组更为显著(均P<0.05).结论·DTC患者停用左旋甲状腺激素所致的一过性甲减状态会引起肝酶异常、血脂水平升高,临床工作中需予以重视.
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