Key result
TEE enables real-time contrast-free hemodynamic and vascular visualization during TEVAR for type B aortic dissection.
Why the study?
The advantages of using transesophageal echocardiography to guide thoracic endovascular aortic repair for type B aortic dissection were not well established.
Does transesophageal echocardiography provide procedural advantages during thoracic endovascular aortic repair for type B aortic dissection?
Case Report (n=3)
No
Does transesophageal echocardiography provide procedural advantages during thoracic endovascular aortic repair for type B aortic dissection?
TEE serves as a useful adjunctive imaging modality during thoracic endovascular aortic repair for type B aortic dissection, offering real-time visualization without additional radiation or contrast.
May support adjunctive TEE in select TEVAR cases; hypothesis-generating from one report and requires prospective validation.
We report the cases of three patients who underwent thoracic endovascular aortic repair for type B aortic dissection in which transesophageal echocardiography (TEE) was used to guide the procedure in addition to fluoroscopy. TEE was found to be advantageous because it can visualize vascular structures along with the guidewire and devices. Furthermore, it provides real-time hemodynamic and hematological information without the need for contrast injection or radiation exposure. Although TEE assessment requires expertise, the efficient use of TEE appears to be helpful for further improving the outcomes of endovascular surgery for aortic dissection.
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Hirose et al. (2018) conducted a case report in Type B aortic dissection (n=3). Transesophageal echocardiography (TEE) was evaluated on Procedural guidance and visualization. Transesophageal echocardiography during thoracic endovascular aortic repair for type B aortic dissection provided real-time visualization of vascular structures and hemodynamics without contrast.
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