September 1, 1997Radiology
Chronic thromboembolism: diagnosis with helical CT and MR imaging with angiographic and surgical correlation.
Why the study?
Does helical CT or MR imaging accurately identify central and segmental chronic thromboembolic disease compared to angiography and surgery in patients suspected of chronic thromboembolic pulmonary hypertension?
Population
55 patients suspected of having chronic thromboembolic pulmonary hypertension
Comparison
Helical computed tomographic scans and magnetic… vs Conventional angiography and surgical findings…
Design
Cross-sectional, CT and MR images were independently interpreted by two readers
Authors
Discussion
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Member takes
Implication
Helical CT may support noninvasive CTEPH evaluation; leaves open its role versus angiography for surgical planning.
Structured PICO
Does helical CT or MR imaging accurately identify central and segmental chronic thromboembolic disease compared to angiography and surgery in patients suspected of chronic thromboembolic pulmonary hypertension?
P
Population
55 patients suspected of having chronic thromboembolic pulmonary hypertension
I
Intervention
Helical computed tomographic (CT) scans (n=47) and magnetic resonance (MR) imaging (n=26)
C
Comparator
Conventional angiography (n=55) and surgical findings from thromboendarterectomy (n=40)
O
Outcome
Accuracy of identification of central and segmental chronic thromboembolic diseasesurrogate
Helical CT is a useful alternative to conventional angiography for diagnosing chronic thromboembolism, though it may not suffice alone for surgical candidate selection.
Cite This Study
Bergin et al. (1997) studied this question.