The new heparins (Aust Prescr 1996;19:104-8)
A word processing error was introduced into Table 1 after this article had left the Australian Prescriber office. The intended layout for preferred prophylaxis appears in the correct version of the table below.
Table 1
Level of risk of deep venous thrombosis/pulmonary embolism
| Age |
<40 |
>=40 |
>=40 |
>=40 |
| Surgery |
Minor (≤30 minute) |
Major (>30 minute) |
Major (>30 minute) |
- Lower limb arthroplasty
- Hip fracture
|
| Additional risk factors |
Nil |
Nil |
Coronary artery disease |
- Malignancy
- Previous thrombosis
- Thrombophilic states *
|
| Level of risk |
Low |
Moderate |
High |
Very high |
| Risk rate % deep venous thrombosis |
2 |
<20 |
<40 |
>40 |
| fatal pulmonary embolism |
0.002 |
<0.04 |
<1.0 |
>1.0 |
| Preferred prophylaxis |
Early ambulation |
Low dose UFH twice daily |
Low dose UFH 3 times daily or LMWH |
Oral anticoagulant (monitored) or LMWH * _________ Thrombophilic states include inherited disorders such as antithrombin III deficiency and acquired disorders such as anti- phospholipid antibody syndromes UFH ______ unfractionated heparin LMWH ____ low molecular weight heparin |
