Key result
Multidetector computed tomography angiography demonstrated 100% diagnostic accuracy for type A aortic dissection and identified significant variations in aortic arch anatomy compared to controls.
Why the study?
Does preoperative MDCT angiography accurately evaluate aortic arch lesions in patients with type A aortic dissection?
Observational (n=42)
No
Does preoperative MDCT angiography accurately evaluate aortic arch lesions in patients with type A aortic dissection?
Preoperative MDCT angiography provides 100% diagnostic accuracy for identifying intimal tear sites and aortic arch lesions in type A aortic dissection, aiding surgical planning.
Answers are grounded in this paper and cite their sources.
MDCT angiography may aid preoperative planning in type A dissection; leaves open prospective validation before changing practice.
The purpose of this study was to preoperatively evaluate the value of aortic arch lesions by multidetector computed tomography (MDCT) angiography in type A aortic dissection (AD).From January 2013 to December 2015, we enrolled 42 patients with type A AD who underwent MDCT angiography in our hospital. The institutional database of patients was retrospectively reviewed to identify MDCT angiography examinations for type A AD. Surgical corrections were conducted in all patients to confirm diagnostic accuracy.In this study, the diagnostic accuracy of MDCT angiography was 100% in all 42 patients. The intimal tear site locations that were identified in patients included the ascending aorta (n = 25), aortic arch (n = 12), and all other sites (n = 5). Compared with the control group, there were significant differences in the aortic arch anatomy among the cases. Regarding the distance between the left common carotid and left subclavian arteries, compared with the control group, most cases with type A AD had a significant variation.MDCT angiography plays an important role in detecting aortic arch lesions of type A AD, especially in determining the location of the intimal entry site and change of branch blood vessels. Surgeons can formulate an appropriate operating plan, according to the preoperative MDCT diagnosis information.
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Huang et al. (2016) conducted an observational in Type A aortic dissection (n=42). Multidetector computed tomography (MDCT) angiography vs. Surgical confirmation / Hypertensive controls was evaluated on Diagnostic accuracy of MDCT angiography. Multidetector computed tomography angiography demonstrated 100% diagnostic accuracy for type A aortic dissection and identified significant variations in aortic arch anatomy compared to controls.
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