Postoperative pain is a response to the body's surgical stimulation (tissue damage), including a series of physiological, psychological and behavioral responses. In clinical nursing work, pain has become the fifth vital sign after four major vital signs of body temperature, pulse, sucking and blood pressure, and has received increasing attention. The survey found that about 95% of surgical patients are worried about pain, causing anxiety, anxiety and anxiety, while others cause palpitation and increased blood pressure. After the operation, he did not dare to breathe hard, cough and rotate his position due to pain. The secretions are not easy to be discharged, causing atelectasis and lung infection.



Tissue damage caused by surgery is not limited to the skin, muscles and internal organs are involved, and the source of postoperative pain, including the double activation of the body and splanchnic nerves. It is caused by the damage and stimulation of the nervous system, and the root cause is the abnormal feeling caused by the stimulation of the nervous system by the damage of muscles and tendons. It is also related to individual differences.


an examination

Related inspection

Blood test EEG examination

Postoperative patient suffering and discomfort, anxiety, fear, insomnia and various complications caused by pain.

Postoperative pain and its stress response will adversely affect many aspects of the body and directly affect postoperative recovery. The pathophysiological changes caused by postoperative pain should not be underestimated. It not only changes the system of circulation, sucking, digestion, endocrine, immunity, coagulation, etc., but also severe pain can cause trauma, can bring anxiety, fear, insomnia, Create a sense of helplessness. These changes are closely related to postoperative complications and have a significant adverse effect on the prognosis of surgery.


Differential diagnosis

Tetanus after surgery: It is a type of tetanus due to a tetanus infection.

Gastric resection syndrome: refers to gastric emptying after gastrectomy, glucose is rapidly absorbed by the intestinal mucosa, resulting in a sudden increase in blood sugar, stimulated a series of hypoglycemia caused by excessive islet secretion of insulin. Postoperative acute mental disorder refers to the occurrence of brain dysfunction in elderly patients without pre-operative mental abnormalities, mainly in the aspects of disturbance of consciousness, cognitive impairment and psychomotor abnormality. It often occurs in the first 4 days after surgery and is prone to attack at night. It has the characteristics of light morning light and night.