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目的通过此次调查,研究掌握长春地区食盐加碘后,成人甲状腺超声结果及相关因素,在充分保证各类人群对食盐加碘防治碘缺乏病过程中所享有权益的同时,对成人甲状腺结节及回声改变情况进行基线调查。方法采用PPS抽样及单纯随机抽样法分别从长春地区抽取8调查点,从调查点中抽取80名20~55岁居民进行问卷调查、甲状腺超声检查、甲功检测。结果长春地区居民甲状腺结节患病率为22.8%,甲状腺回声改变15.6%。其中患病率随年龄增长而增加,女性高于男性,差异有统计学意义(P<0.05)。结论研究甲状腺结节及回声改变的相关因素对于病因预防、疾病影响有积极作用,调查结果显示,甲状腺回声改变可能是甲状腺功能改变的敏感指标。在现阶段碘营养适宜情况下,把食盐加碘作为引起甲状腺结节及回声改变发病率较高的主要原因,尚缺乏有力证据。
Objective To investigate the thyroid ultrasound results and related factors in adults after iodized salt treatment in Changchun area through this survey. While fully guaranteeing the rights and interests of all kinds of people in iodized salt prevention and treatment of iodine deficiency disorders, And echo changes in the baseline survey. Methods PPS sampling and simple random sampling method were respectively used to extract 8 investigation points from Changchun area. Eighty residents aged from 20 to 55 were selected from the survey sites for questionnaire survey, thyroid ultrasound examination and thyroid function test. Results The prevalence of thyroid nodules was 22.8% in Changchun area and 15.6% in thyroid gland. The prevalence increased with age, women than men, the difference was statistically significant (P <0.05). Conclusions The study of thyroid nodules and related factors of echogenic changes has a positive effect on the prevention of etiology and the impact of diseases. The results of the survey show that thyroid echogenic changes may be sensitive indicators of thyroid function changes. At this stage of iodine nutrition appropriate circumstances, the salt iodization as a cause of thyroid nodules and echo the main reason for the higher incidence of change, there is no strong evidence.