Key result
TEE, helical CT, and MRI yielded comparable diagnostic accuracy for suspected thoracic aortic dissection, with pooled sensitivities of 98%-100% and specificities of 95%-98%.
Why the study?
Do TEE, helical CT, and MRI have comparable diagnostic accuracy in patients with suspected thoracic aortic dissection?
Population
16 studies involving a total of 1139 patients with suspected thoracic aortic dissection
Design
Meta-analysis
Authors
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Supports flexible modality selection by availability and contraindications; confirms comparable accuracy for suspected thoracic aortic dissection.
Systematic Review (n=1,139)
Do TEE, helical CT, and MRI have comparable diagnostic accuracy in patients with suspected thoracic aortic dissection?
Effect estimate: Positive likelihood ratio 25.3 for MRI (95% CI 11.1-57.1)
TEE, helical CT, and MRI all yield highly reliable and comparable diagnostic accuracy for confirming or ruling out thoracic aortic dissection.
Shiga et al. (2006) conducted a systematic review in suspected thoracic aortic dissection (n=1,139). Transesophageal echocardiography, helical CT, and MRI was evaluated on Diagnostic accuracy (sensitivity, specificity, and likelihood ratios) (Positive likelihood ratio 25.3 for MRI, 95% CI 11.1-57.1). TEE, helical CT, and MRI yielded comparable diagnostic accuracy for suspected thoracic aortic dissection, with pooled sensitivities of 98%-100% and specificities of 95%-98%.
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