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Transesophageal echocardiography in intimal flap fenestration
I Kronzon1, P A Tunick, T Riles
1Department of Medicine, New York University Medical Center, NY 10016, USA.
Summary
Percutaneous intimal flap fenestration offers a less-invasive treatment for descending aortic dissection. This technique improved blood flow to vital organs and led to clinical recovery in a patient with reduced renal and mesenteric circulation.
Area of Science:
- Cardiovascular Surgery
- Interventional Cardiology
- Medical Imaging
Background:
- Descending aortic dissection can compromise blood flow to vital organs, necessitating effective treatment strategies.
- Surgical repair of aortic dissection carries significant risks, prompting the search for less-invasive alternatives.
- Percutaneous intimal flap fenestration is an emerging technique for managing complex aortic dissections.
Observation:
- A patient presented with decreased renal and mesenteric blood flow secondary to descending aortic dissection.
- Transesophageal echocardiography (TEE) was utilized for real-time guidance during the procedure.
- TEE provided critical visualization of the intimal flap, puncture site, and flow dynamics between true and false lumens.
Findings:
- Percutaneous balloon intimal fenestration was successfully performed.
- The procedure effectively reestablished blood flow into the false lumen.
- Post-fenestration, the patient demonstrated significant clinical improvement with restored organ perfusion.
Implications:
- Percutaneous intimal flap fenestration represents a viable, less-invasive therapeutic option for selected patients with descending aortic dissection.
- Transesophageal echocardiography is instrumental in guiding this complex interventional procedure, ensuring accurate flap fenestration and assessing hemodynamic changes.
- This approach may improve outcomes and reduce morbidity associated with traditional surgical interventions for aortic dissection.