1979年1月～1985年8月美国堪萨斯医学中心共收治甲状腺患者221例。术后血钙低于9mg/dl者185例占83％。有低钙症状需用钙剂治疗的28例中19例为暂时性,9例为持久性。全甲状腺切除、再手术或加颈淋巴结清扫者,发生有症状性低钙占20％以上,甲亢患者术后低钙高达59％,其中9％为持久性。 From January 1979 to August 1985, 221 cases of thyroid patients were admitted to the Kansas Medical Center. Postoperative blood calcium below 9mg/dl 185 cases accounted for 83%. Of the 28 patients treated with calcium for symptoms of hypocalcemia, 19 were temporary and 9 were persistent. Patients with total thyroidectomy, reoperation, or cervical lymph node dissection had symptomatic hypocalcemia accounting for more than 20%. Postoperative hyperthyroidism was associated with hypocalcemia as high as 59%, of which 9% was persistent.