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目的:探讨慢性甲状腺机能亢进性肌病(CTM)的临床、EMG特点。方法:对34例CTM患者的临床特点、电生理改变进行分析。结果:34例CTM患者均有突出的肌无力及甲状腺毒症性周期性麻痹(TPP),19例伴肢带肌萎缩,11例伴明显肌痛,并同时伴不同程度多汗、心悸、食欲亢进、双手震颤等甲亢的高代谢症状。EMG提示肌源性损害,经抗甲状腺药物及补钾治疗后,肌病症状随甲亢控制而恢复。结论:CTM是甲状腺机能亢进症较常见的神经肌肉并发症,可以肌病症状为主要表现,甲亢控制后肌病症状可恢复,预后良好。
Objective: To investigate the clinical and EMG features of chronic hyperthyroidism myopathy (CTM). Methods: The clinical features and electrophysiological changes of 34 patients with CTM were analyzed. RESULTS: Thirty-four patients with CTM had prominent myasthenia gravis and thyrotoxicosis (TPP), 19 with atrophy of the limbs, 11 with obvious myalgia, accompanied by varying degrees of hyperhidrosis, heart palpitations, appetite Hyperthyroidism, tremor and other hyperthyroidism high metabolic symptoms. EMG prompt myogenic damage, after anti-thyroid drugs and potassium treatment, myopathy symptoms with hyperthyroidism control and recovery. CONCLUSION: CTM is a common neuromuscular complication of hyperthyroidism, which can be the main manifestation of myopathic symptoms. The symptoms of myopathy can be recovered after hyperthyroidism is controlled, and the prognosis is good.