迟发性肌张力障碍(TDT)较罕见,据报道在长期住院的精神病人以及长期药物治疗的门诊精神分裂症患者中的发病率分别为1～2%。本文对15例这种患者的临床特征及有关因素进行了研究。方法:1987至1990年15例连续在运动障碍门诊就诊的患者,符合下列迟发性肌张力障碍的预选标准:①有肌张力障碍(持续的、不自主肌肉收缩常引起扭转和重复运动或异常姿势)超过1个月;②如伴有其他运动障碍,则以肌张力障碍为主;③停止抗多巴胺药治疗3个月内,运动障碍加重;④排除其 Late onset dystonia (TDT) is rare, and the incidence of schizophrenia in long-term inpatient and out-patient schizophrenia is reported to be 1-2%, respectively. This article 15 cases of this patient’s clinical features and related factors were studied. METHODS: Fifteen consecutive patients admitted to a dyskinetic clinic between 1987 and 1990 met the preselection criteria for the following delayed dystonia: dystonia (persistent, involuntary muscle contraction often leads to torsion and repetitive movements or abnormalities Posture) for more than 1 month; ② if accompanied by other movement disorders, then the main dystonia; ③ stop anti-dopamine drug treatment within 3 months, dyskinesia; ④ exclude