过去几十年中,由于碘剂和抗甲状腺药物的广泛应用,大大提高了甲状腺机能亢进(甲亢)手术的安全性,手术死亡率现已下降到0.2%。但抗甲状腺药物术前准备时间过长,常使病人难以合作,药物还有一定的副作用。1964年Black 等发现心得安的β阻滞作用后不久,就有人用于治疗甲亢的心动过速,取得良好效果。由于心得安安全、快速、有效,现已应用于甲亢的术前准备。甲亢和儿茶酚胺系统近年临床和实验观察都表明甲亢时肾上腺能神经系统的重要作用。甲亢心血管系统的一些征象,大多由肾上腺素能刺激增加所致。这些包括:神经过敏,焦虑,不安,凝视,出汗, Over the past few decades, the safety of hyperthyroidism (Hyperthyroidism) has been greatly improved due to the widespread use of iodine and antithyroid drugs, and the operative mortality has now dropped to 0.2%. However, antithyroid drugs preoperative preparation time is too long, often difficult for patients to cooperate, there are some side effects of drugs. Shortly after the discovery of propranolol β blockade by Black et al. In 1964, some people used tachycardia to treat hyperthyroidism and achieved good results. As safe and secure, fast, effective, has now been applied to preoperative preparation of hyperthyroidism. Hyperthyroidism and catecholamine system in recent years, clinical and experimental observations have shown that the hyperthyroidism of the adrenal nervous system can play an important role. Hyperthyroidism Some signs of the cardiovascular system, mostly due to increased adrenergic stimulation. These include: nervousness, anxiety, anxiety, gaze, sweating,