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Browse CATs  internal medicine  haematology  anticoagulation

Economics
Prognosis
Therapy
Bleeding
Heparin
LMWH
Warfarin

Anticoagulation
more strokes and bleeds occurred when INR was 5.0 or more.
Level of evidence 2b Expiry Date June 2003
Anticoagulation
increased bleeding with supratherapeutic INR and high therapeutic ranges.
Level of evidence 2b Expiry Date June 2003
Anticoagulation
patients over 72 years old were at increased risk of bleeding on heparin.
Level of evidence 1b Expiry Date June 2003
Anticoagulation
no clear evidence for increased risk of recurrent venous thromboembolism with sub therapeutic aPTT levels.
Level of evidence 1a Expiry Date June 2003
Anticoagulation
paracetamol caused supratherapeutic INR levels in patients on warfarin.
Level of evidence 3b Expiry Date June 2002
Anticoagulation
bleeding occurred more often in patients with comorbid disease and commonly from the GI tract.
Level of evidence 2a Expiry Date June 2002
Anticoagulation
bleeding is more likely with more co-morbid conditions and supratherapeutic levels.
Level of evidence 1a Expiry Date June 2002
Anticoagulation
a tenth had a major bleed with long-term warfarin.
Level of evidence 1b Expiry Date December 2001
Anticoagulation
a clinical prediction rule can identify patients at increased risk of major bleeding
Level of evidence 1a Expiry Date October 2001
Anticoagulation and DVT
subtherapeutic aPTT after heparin increased risk of DVT.
Level of evidence 2b Expiry Date June 2002
Anticoagulation and bleeding
increased risk if INR >4.5 or started in the last three months.
Level of evidence 1b Expiry Date June 2002
Anticoagulation and intracranial haemorrhage
increased risk with INR >4.0, previous stroke or artificial heart valves.
Level of evidence 3b Expiry Date June 2002
Anticoagulation and mechanical heart valves
fewest strokes and bleeds occurred when INR is 2.5-4.9.
Level of evidence 4 Expiry Date June 2002
Heparin and pre-menopausal women
increased risk of osteopenia with prolonged use.
Level of evidence 4 Expiry Date June 2002
Pregnancy and heparin
low-risk of vertebral fractures and bleeds
Level of evidence 4 Expiry Date June 2002
Pregnancy and heparin
prolonged use led to a small reduction in femur bone density.
Level of evidence 4 Expiry Date June 2002
Venous thromboembolism
fatal PEs are rare.
Level of evidence 1a Expiry Date May 2003
Warfarin therapy
INR took between 5 and 8 days after discontinuation to reach 1.2.
Level of evidence 2b Expiry Date June 2003