[Echo-Doppler for early diagnosis of deep venous thrombosis in orthopedic surgery and traumatology. A retrospective study of 1,647 patients].

Unlabelled: The authors report the results of duplex ultrasound scanning investigation for the detection of deep venous thrombosis after orthopedic surgery and compare asymptomatic and symptomatic populations.

Purpose Of The Study: To estimate the rate of deep venous thrombosis diagnosed by duplex scanning in those 2 populations and precise their features.

Material: A total of 1,647 in-patients all receiving low-molecular-weight heparin and investigated from 1989 to 1993.