Why the study?
Is aortic diameter ≥5.5 cm a good predictor of type A aortic dissection?
Is aortic diameter ≥5.5 cm a good predictor of type A aortic dissection?
Current guideline thresholds of aortic diameter ≥5.5 cm fail to identify the majority of patients who present with acute type A aortic dissection, highlighting the need for alternative risk stratification methods.
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Diameter thresholds miss most acute type A dissections; leaves open need for alternative risk stratification.
The majority of patients with acute type A acute aortic dissection present with aortic diameters <5.5 cm and thus do not fall within current guidelines for elective aneurysm surgery. Methods other than size measurement of the ascending aorta are needed to identify patients at risk for dissection.
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Pape et al. (2007) studied this question.
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