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每8—12小时,皮下注射5,000单位的肝素,能预防某些病人的深静脉血栓性静脉炎。三年以来,作者观察了相当多的普通外科使用了小剂量肝索疗法,以治疗下肢疼痛淤肿的病人。认为,如果护理人员了解肝素的机理和用法,便能够使病人避免下肢肿痛的问题。大手术后,大约30%的病人发生深静脉血栓性静脉炎;老年病人,其发生率增加到45%。这些病人,大约有20%血栓进入下肢的大静脉,如腘、股或髂静脉。一旦血栓进入上列任何一条静脉,则有50%的病人可能发生肺动脉栓塞。如不及时治疗,大约33%的
Subcutaneous injection of 5,000 units of heparin every 8-12 hours can prevent deep venous thrombophlebitis in some patients. For three years, the authors have observed that quite a few ordinary surgeries use low-dose hepatectomy to treat patients with swollen lower extremity pain. It is believed that if the nurse understands the mechanism and usage of heparin, the patient will be able to avoid the problem of swelling and leg swelling. After major surgery, about 30% of patients with deep venous thrombophlebitis; elderly patients, the incidence increased to 45%. In these patients, approximately 20% of thrombi enter large veins of the lower extremities, such as the sternum, femoral or iliac vein. Once the thrombus enters any of the above veins, pulmonary embolism may occur in 50% of patients. If not treated, about 33%