lumbar disc herniation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. The isolated segment need surgical treatment of lumbar disc prolapse patients (L 4-5 or L5 - s1); 2. 20-65 years old; 3. The preoperative blood routine, coagulation series suggest not seen obvious abnormity, not merge blood disease; 4. no varicose veins of lower limb, thrombotic diseases such as atrial fibrillation; 5. No oral method waring affect blood clotting drugs previous history; 6. and no cerebral infarction, previous myocardial infarction, diabetes and other medical diseases.
Exclusion criteria
Exclusion criteria: 1. fracture-dislocation above L4-5; 2. With fatal injury can't tolerate surgery such as severe craniocerebral injury/Abdominal/chest internal bleeding; 3. With hemopathy or high risk for thrombus; 4. no medical illnesses that would preclude an operative intervention; 5. no ongoing cancer, infection, bleeding disorder, or skin disease.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Intraoperative bleeding;postoperative drainage;recessive loss of blood;Thrombosis of lower limb; | — |