PROphylaxis of ThromboEmbolism in Critical Care Trial (PROTECT)
- Conditions
- ThromboembolismCardiovascular - Diseases of the vasculature and circulation including the lymphatic system
- Registration Number
- ACTRN12606000090516
- Lead Sponsor
- McMaster University
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 3650
Actual body weight >45 kgAdmission to ICU expected to be >72 hours durationEligible for either UFH or LWMH thromboprophylaxis.
Contraindication to prophylactic heparinNeurosurgery within last 3 monthsIschemic or hemorrhagic stroke within last 3 monthsIntracranial hemorrhage, within last 3 monthsSystolic blood pressure (SBP) > 180 mmHg, diastolic blood pressure > 110 mmHg for > 12 hours requiring vasoactive drug infusionMajor hemorrhage within the last week unless definitively treated (e.g., AAA repair)Coagulopathy (INR > 2 x ULN, or PTT > 2 x ULN)Thrombocytopenia (platelet count < 75 x 109/L)Other heparin contraindications (e.g., HIT, pregnancy)Contraindications to blood products (e.g., Jehovah’s Witness)Unable to perform lower limb ultrasound (e.g., severe distal extremity burns)Limitation of life support (life expectancy < 7 days, or palliative care Contamination (e.g., > 3 days of any UFH or LMWH prophylaxis during this ICU admission).
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Proximal DVT (symptomatic or asymptomatic DVT) diagnosed by bilateral lower extremity compression ultrasound.[Outcome measured: 48 hours of enrolment, twice weekly during ICU stay and upon suspicion of VTE.]
- Secondary Outcome Measures
Name Time Method 1) pulmonary embolism (PE)[Measured during the ICU and hospital duration.];2) bleeding[Measured during the ICU and hospital duration.];3) Heparin Induced Thrombocytopenia (HIT)[Measured during the ICU and hospital duration.];4) other clinically suspected, objectively confirmed venous thrombosis.[Measured during the ICU and hospital duration.];As always in ICU studies, we will record ICU length of stay, ICU mortality, hospital length of stay and hospital mortality.[Measured during the ICU and hospital duration.]