2-Point vs. Whole-Leg Ultrasonography in DVT Diagnosis

Both approaches were equally accurate in detecting clinically important DVT.

Compression ultrasonography (USN) is the standard diagnostic approach for identifying patients with deep venous thrombosis (DVT). Originally, 2-point USN (limited to the groin and popliteal areas, with follow-up repeat testing at 1 week for patients with initial negative findings) was used; more recently, whole-leg color Doppler USN, which is more labor-intensive and less available in some settings than is 2-point USN but does not require follow-up exams, has become popular.

To compare the two approaches, Italian investigators randomized 2098 adults with first episodes of suspected DVT to 2-point or whole-leg USN. Among 1045 patients randomized to 2-point USN, 217 had initial positive findings. Patients with negative 2-point USN findings und…

Reviewing Author

Thomas L. Schwenk, MD

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Thomas L. Schwenk, MD

Disclosures

Editorial BoardsUpToDate