Diagnostic challenges with transesophageal echocardiography for intraoperative iatrogenic aortic dissection: Role of epiaortic ultrasound

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Abstract

Iatrogenic aortic dissection is a rare and serious complication of cardiac surgery with an incidence between 0.12% and 0.16%. Dissections involving an intimal flap can be detected using trans-esophageal echocardiography (TEE) with a sensitivity of 94%-100% and specificity of 77%-100%. Rarely, dissections can occur that are not detectable by TEE. There have been reports of iatrogenic dissection in the ascending aortic cannulation site; however, a dissection at the antegrade cardioplegia cannulation site is very rare. It also presents challenges associated with early diagnosis and appropriate intervention. We are describing a rare case of aortic dissection at the antegrade cardioplegia cannulation site in the proximal ascending aorta. The dissection was unable to be visualized with TEE initially, and required epi-aortic ultrasound to diagnose dissection in timely manner.

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Rhoades, D., & Subramani, S. (2021). Diagnostic challenges with transesophageal echocardiography for intraoperative iatrogenic aortic dissection: Role of epiaortic ultrasound. Annals of Cardiac Anaesthesia, 24(1), 83–86. https://doi.org/10.4103/aca.ACA_4_19

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