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Deep venous thrombosis: experience with gradient-echo MR imaging in 66 patients
C E Spritzer1, H D Sostman, D C Wilkes
1Department of Radiology, Duke University Medical Center, Durham, NC 27710.
Radiology
|October 1, 1990
Summary
Gradient-echo (GRE) magnetic resonance (MR) imaging accurately detects deep venous thrombosis (DVT). This noninvasive technique demonstrated high sensitivity and specificity in diagnosing DVT, proving effective for patient evaluation.
Area of Science:
- Radiology
- Vascular Imaging
Background:
- Deep venous thrombosis (DVT) is a significant clinical concern.
- Accurate and noninvasive diagnostic methods are crucial for DVT evaluation.
Purpose of the Study:
- To assess the accuracy of gradient-echo (GRE) magnetic resonance (MR) imaging in detecting deep venous thrombosis (DVT).
Main Methods:
- Review of medical records for 66 patients evaluated for DVT using GRE MR imaging.
- Confirmatory venograms for 26 patients; clinical follow-up (1-23 months) for 40 patients.
- Analysis of GRE MR imaging findings against gold-standard venography and clinical outcomes.
Main Results:
- GRE MR imaging showed 100% sensitivity and 92.9% specificity compared to venography.
- No DVT or pulmonary emboli occurred in patients with negative GRE MR studies during follow-up.
- GRE MR imaging identified DVT in 24 patients (36%) and was negative in 42 patients (64%).
Conclusions:
- Gradient-echo (GRE) magnetic resonance (MR) imaging is an accurate and noninvasive method for diagnosing deep venous thrombosis (DVT).
- The technique offers high diagnostic performance, reducing the need for more invasive procedures.