Mechanically ventilated patients without ALI
Conditions
Interventions
Administration of unfractionated heparin or placebo by aerosol generator (AeronebPro, Aerogen Inc., Sunnyvale, CA, USA) during mechanical ventilation. Bloodsamples and lungfluid will be collected bef
Sponsors
Academic Medical Centre, Amsterdam
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients who are mechanically ventilated; 2. Age > 18 years.
Exclusion criteria
Exclusion criteria: 1. Acute Lung Injury (consensus criteria); 2. Increased risk of bleeding: a. Within 24 hours after major surgery; b. Thrombocytes 20 sec; d. APTT > 60 sec; 3. Acute bleeding at any site; 4. Pregnancy or breast feeding.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Area under the curve of serial anti-Xa measurements in plasma. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Blood: a. Area under the cure of serial aPTT measurements; b. Whole blood clotting time lung fluid: area under the curve of serial anti-Xa measurements, heparin, factor VII/VIIa, TF, TFPI-antigen, TFPI activity, protein C / activated protein C, prothrombine fragment 1.2, TATc, ETP (Endogenous Thrombin Potential), Fibrin monomers, soluble thrombomodulin, PAPc, PAI; 2. Occurrence and severity of bleeding events. | — |
Contacts
Public ContactJ.J. Hofstra
Academic Medical Center (AMC) IC Unit, P.O. Box 22660
Outcome results
None listed