Thromboembolism
Conditions
Keywords
Thromboprophylaxis, Bariatric surgery, prevention of venous thromboembolism in bariatric surgery
Brief summary
This trial is an assessment of the efficacy of three thromboprophylaxis regimens in two types of bariatric surgery. \- gastric banding and gastric bypass on anti-Xa activity levels The study includes two groups of 150 patients scheduled for gastric banding or gastric bypass. Assessment of anti-Xa levels before and 4 hours after the injections from day 0 to 2 in order to determine the best prophylactic regimen allowing expected values ranged between 0.3 and 0.5 IU / ml.
Interventions
injection of enoxaparin a few time
Sponsors
Study design
Eligibility
Inclusion criteria
* BMI over 40 * Gastric banding or gastric bypass
Exclusion criteria
* Renal insufficiency * Thrombopenia * Long term anticoagulant treatment * Pregnancy * Allergy to heparin
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Anti-Xa activity level measured 4 hours before and after enoxaparin injection at different doses | 48 heures |
Secondary
| Measure | Time frame |
|---|---|
| Microparticles | day 0, 1, 9,30 |
| Thrombotic events until D30 | day 30 |
| Bleeding events | day 30 |
Countries
France