Risk Stratification Procedure for Thromboembolism Prophylaxis

It's a VTE risk stratification tool or procedure that will be used after total knee replacement (TKR) to help surgeons in choosing the tailored VTE prophylaxis according to patients' specific VTE risk, this tool will stratify the TKR-patient in one of three risk-groups: Low high risk who will be prescribed Aspirin upon hospital discharge as extended VTE prophylaxis post TKR surgery, or moderate high risk group who will be prescribed oral anti coagulant (like rivaroxaban) as extended prophylaxis, and the last group is very high risk group who will be prescribed parenteral anticoagulant ( like Enoxaparin) plus compression devices.