Deep vein thrombosis (popliteal vein) associated with lower extremity fractures
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Age >= 18 years; 2.Hospitalized for lower extremity fractures (femur, tibiofibula, ankle/foot); 3.Underwent complete lower extremity deep vein ultrasound examination including femoral vein, popliteal vein, and calf deep veins (including intermuscular veins) during hospitalization; 4.Ultrasound examination performed within 30 days after injury.
Exclusion criteria
Exclusion criteria: 1.Prior history of deep vein thrombosis (DVT) or pulmonary embolism (PE); 2.Receiving anticoagulant therapy (e.g., warfarin, low molecular weight heparin, direct oral anticoagulants) at the time of ultrasound examination; 3.Active malignant tumor; 4.History of lower extremity venous surgery or varicose veins; 5.Incomplete ultrasound records that preclude definitive interpretation of each vascular segment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Detection rate of popliteal vein thrombosis (in negative group); | — |
Secondary
| Measure | Time frame |
|---|---|
| The incidence of new popliteal vein thrombosis within 30 days after the first ultrasound in the negative group (classified as isolated or non-isolated depending on the presence of other new thromboses);The incidence of confirmed PE within 30 days in the negative group;Agreement between blinded reading and original report (Kappa value); | — |
Countries
China
Contacts
Wuhan Fourth Hospital