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本文回顾分析了261例Graves病131Ⅰ治疗前后甲状腺吸131碘率（RAIU）峰值变化和治疗后峰值变化率。指出131Ⅰ治疗后无论远期疗效如何，其峰值均显著下降（P＜0．01）。而131Ⅰ治疗1年内峰值变化率的计算具有预后评估意义。131Ⅰ治疗后未缓解的峰值变化率＜0．1，远期甲低＞0．5。峰值变化率在0．2～0．5之间，对预后难以作出判断，需在“‘I治疗1年后继续随访才能明确。由此认为人AIU在‘’‘互治疗后峰值变化率可作为131Ⅰ治疗Graves病远期疗效的评判参考指标之一。
This paper retrospectively analyzed the peak change of thyroid uptake 131I (RAIU) and the peak change after treatment in 261 cases of Graves disease 131I. Pointed out that the 131I treatment regardless of long-term efficacy, the peak was significantly decreased (P <0.01). However, the calculation of peak change rate within 1 year after 131 Ⅰ treatment has prognostic significance. 131 I treatment did not alleviate the peak rate of change <0.1, hypothyroidism> 0.5. Peak change rate of 0.2 to 0.5, the prognosis is difficult to judge, to be in the "1 I follow-up follow-up in order to be clear.According to the human AIU in each treatment after the peak change rate As a 131I treatment of Graves disease long-term efficacy of one of the reference indicators.