Key result
Intraoperative TEE and epiaortic ultrasound detect false lumen enlargement after isolated reentry closure.
Why the study?
In communicating aortic dissection, closing only the entry or reentry may leave residual blood flow that causes enlargement of the false lumen.
Case Report (n=1)
Intraoperative TEE and epiaortic ultrasound are useful for diagnosing false lumen enlargement in patients with communicating aortic dissection undergoing partial closure.
May aid intraoperative detection of false lumen enlargement in communicating aortic dissection; leaves open whether routine TEE and epiaortic ultrasound improve outcomes.
In communicating aortic dissection, if only the entry or reentry is closed, residual blood flow may cause enlargement of the false lumen. In this case, surgeons were unable to occlude the entry with a stent graft due to the strong flexion of the bilateral common iliac arteries, so they closed only the reentry in the hope that blood flow from the reentry would be high. Unfortunately, due to the high blood flow from the entry, the false lumen was enlarged. But the use of transesophageal echocardiography and epiaortic ultrasound contributed to its diagnosis.
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Honda et al. (2023) conducted a case report in Chronic aortic dissection (n=1). Intraoperative transesophageal echocardiography and epiaortic ultrasound was evaluated on Diagnosis of false lumen enlargement. Intraoperative transesophageal echocardiography and epiaortic ultrasound successfully diagnosed false lumen enlargement caused by high blood flow from the entry after only the reentry was closed.
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