Risk Stratification for DVT-VTE Among Surgical Inpatients

High risk 

 - Recent major orthopedic surgery/arthroplasty/fracture 

 - Abdominal/pelvic cancer undergoing surgery 

 - Recent spinal cord injury or major trauma within 90 days 

 - More than three of the intermediate risk factors (see below) 

Intermediate risk 

 - Not ambulating independently outside of room at least twice daily 

 - Active infectious or inflammatory process 

 - Active malignancy 

 - Major surgery (nonorthopedic) 

 - History of V TE 

 - Stroke 

 - Central venous access or PICC line 

 - Inflammatory bowel disease 

 - Prior immobilization (> 72 hours) preoperatively 

 - Obesity (BMI > 30) 

 - Patient age > 50 years 

 - Hormone replacement or oral contraceptive therapy 

 - Hypercoagulable state 

 - Nephrotic syndrome 

 - Burns 

 - Cellulitis 

 - Varicose veins 

 - Paresis 

 - HF (systolic dysfunction) 

 - COPD exacerbation 

Low risk 

 - Minor procedure and age < 40 years with no additional risk factors 

 - Ambulatory with expected length of stay of < 24 hours or 



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