ICU中的危重病人由于原发疾病(创伤、肿瘤)诊断与治疗措施(手术、介入)的实施、病人与生命支持系统(机械通气、透析)的相互影响,远离熟悉环境与亲人,以及社会因素(失业、贫困)、担忧高额医疗费用等等各种原因,普遍存在焦虑、紧张、恐惧、孤独、失眠、烦躁、易激惹、失去自我控制等情绪改变和心理障碍,甚至人格解体,造成治疗不配合,不仅引发机体的病理性应激反应,导致机体代谢障碍和组织损害,而且影响临床监测和治疗的顺利进行。因 Critically ill patients in the ICU are affected by the interaction between patients and life support systems (mechanical ventilation, dialysis) due to the diagnosis and treatment of primary diseases (trauma, tumor) (surgery and intervention), away from being familiar with the environment and their relatives, and social factors Such as anxiety, tension, fear, loneliness, insomnia, irritability, irritability, loss of self-control and other emotional changes and psychological disorders, and even disintegration of personality caused by various factors such as unemployment (unemployment, poverty) and high medical costs Treatment does not cooperate, not only trigger the body’s pathological stress response, leading to metabolic disorders and tissue damage, but also affect the smooth progress of clinical monitoring and treatment. because