Comparative study of intraoperative bleeding severity measuring by utilizing Validated Intraoperative Bleeding Scales for lumbar spine surgery
- Conditions
- Injury, poisoning and certain other consequences of external causes
Recruitment & Eligibility
- Status
- ot yet recruiting
- Sex
- All
- Target Recruitment
- 72
patients with degenerative lumbar disease aged 50 to 70 years
-Patient scheduled for lumbar spine surgery including decompressive surgery (decompressive laminectomy, discectomy etc.) and fusion procedures.
1. patients who did not consent to the study
2. the case that anesthesiologist does not select hypotensive anesthesia as the standard of care
3. Patients who could not read or understand the consent documents
4. Patients scheduled 2 stage operation and long-segment fusion operation in the abnormal thoracic spine
5. Patients who are trauma and Infection
6. Patients who are malignancy tumor and metastasis
7. Patients who are contraindicated for hypotensive anesthetic surgery and Ischemic cardiovascular disease
- Patients who cannot discontinue antithrombotic or antiplatelet medications prior to surgery
- coronary artery disease and echocardiographic EF <40%
8. Patients with carotid artery stenosis(>40% stenosis) and cerebrovascular disease( stroke, transient ischemic attack, brain tumor, syncope)
9. Diabetes and renal failure(estimated Glomerular Filtration Rate less than 60 ml/min/1.73m2
Study & Design
- Study Type
- Interventional Study
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method VIBe sales will be utilized to measure the bleeding intensity at bleeding site prior to applicate adequate hemostasis method.
- Secondary Outcome Measures
Name Time Method The period before drainage tube removal;drainage amount in drain bag during surgery;cumulative drainage amount in drain bag;decrease of bleeding grade to lower grade after application of hemostatic agents