Why the study?
Does ultrasound testing with or without D-dimer safely and reliably diagnose or exclude DVT in symptomatic and asymptomatic high-risk patients compared to contrast venography?
Population
Patients with symptoms suggestive of deep-vein thrombosis, and asymptomatic patients at high risk for DVT
Comparison
Noninvasive diagnostic strategies including… vs Contrast venography (gold standard)
Design
Review
Authors
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Supports compression ultrasound for symptomatic suspected DVT; leaves open need for reliable noninvasive exclusion in asymptomatic high-risk patients.
Does ultrasound testing with or without D-dimer safely and reliably diagnose or exclude DVT in symptomatic and asymptomatic high-risk patients compared to contrast venography?
Compression ultrasound is a safe diagnostic tool for symptomatic DVT but is inadequately sensitive for excluding DVT in asymptomatic high-risk patients.
Brian G. Birdwell (1999) studied this question.
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