Table 2 Caprini Risk Assessment Model
From: Venous thromboembolism in head and neck cancer surgery
| Each Risk Factor Represents 1 Point | Each Risk Factor Represents 2 Points |
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• Age 41–60 years • Swollen legs • Varicose veins • Obesity (BMI > 25) • Minor surgery planned • Sepsis (<1 month) • Serious lung disease including pneumonia (<1 month) • Acute myocardial infarction • Congestive heart failure (<1 month) • Medical patient currently at bed rest • History of inflammatory bowel disease • History of major surgery (<1 month) • Abnormal pulmonary function (COPD) • Pregnancy or postpartum (<1 month) • Oral contraceptive or hormone replacement therapy • History of unexplained stillborn infant or recurrent spontaneous abortion (>3), premature birth with toxemia or growth restricted infant |
• Age 61–74 years • Arthroscopic surgery • Malignancy (present or previous) • Laparoscopic surgery (>45 min) • Patient confined to bed (>72 h) • Immobilizing plaster cast (<1 month) • Central venous access • Major surgery (>45 min) Each Risk Factor Represents 3 Points • Age 75 years or older • History of DVT/PE • Positive Factor V Leiden • Elevated serum homocysteine • Heparin-induced thrombocytopenia • Elevated anticardiolipin antibodies • Other congenital or acquired thrombophilia • Family history of thrombosis • Positive prothrombin 20210A • Positive Lupus anticoagulant Each Risk Factor Represents 5 Points • Stroke (<1 month) • Multiple trauma (<1 month) • Elective major lower extremity arthroplasty • Hip, pelvis or leg fracture (<1 month) • Acute spinal cord injury (<1 month) |
| Total: |