Objective To comprehend the clinical characteristics and the diagnosing and treatment status of emergency observation patients in psychiatric department. Methods 2 148 patients, who sought emergency medical help and were hospitalized for observation in Beijing Anding Hospital during the period from August 2007 to February 2011, were investigated with self-designed questionnaire. Clinical informations such as sex, age, diagnosis, disposition, length of emergency observation, clinical outcome and possible influential factors were analyzed. Results Observation patients in psychiatric emergency department suffered from numerous different kinds of disease and were of complicated conditions. The majority were adult critical patients with excitation and agitation symptoms. 36. 79% of the patients needed restraint protection and intramuscular injection of sedatives. Some cases were complicated with serious physical disease or injuries. Conditions of 92. 60% of the patients were under control within three days of observation. Conclusion There is particularity in psychiatric emergency diagnosing and treatment. Thus, much attention should be paid to and more researches should be carried out in the field of psychiatric emergency medicine.%目的 了解精神科急诊留院观察患者的临床特点及诊疗现况.方法 应用自编调查表对2007年8月～2011年2月北京安定医院因急诊就诊并留院观察的2 148例患者,就性别、年龄、诊断、处理、急诊留观天数、转归及影响因素进行调查和分析.结果 精神科急诊留院观察患者病种繁多、情况复杂,以青壮年的兴奋状态等重症患者为主,36.79％的患者需要约束保护并肌内注射镇静药物,其中不乏伴有严重躯体疾病或外伤的病例；92.60％的患者在留院观察3d内病情得到控制.结论 精神科急症诊断和处理有明显的特殊性,应加强对精神科急诊医学的重视与研究.
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