Key result
TEE-guided self-expandable TAVR successfully treats combined severe aortic stenosis and subaortic membrane.
Why the study?
The combination of symptomatic aortic stenosis and subaortic membrane is rare, and the haemodynamic consequences are challenging to diagnose and manage.
Is transcatheter aortic valve implantation feasible and safe for treating combined severe aortic stenosis and subaortic membrane in patients with high surgical risk?
Case Report (n=1)
No
Is transcatheter aortic valve implantation feasible and safe for treating combined severe aortic stenosis and subaortic membrane in patients with high surgical risk?
Self-expandable TAVI under transoesophageal echocardiography guidance is a feasible, less invasive alternative for high surgical risk patients with combined severe aortic stenosis and subaortic membrane.
May be feasible for high-risk patients with combined aortic stenosis and subaortic membrane; leaves open the need for larger prospective studies.
Background: The combination of symptomatic aortic stenosis (AS) and subaortic membrane (SAM) is rare, and the haemodynamic consequences of this combination are challenging to diagnose and manage. Case summary: We present the case of a 78-year-old male who presented with symptomatic AS and chronic heart failure. On echocardiography, the combination of AS and SAM was diagnosed. Transoesophageal echocardiography (TOE) was performed to confirm the presence and severity of AS and SAM. Based on the patient's clinical profile and the high risk of surgical repair, a self-expandable transcatheter aortic valve implantation (TAVI) was performed. Three-month follow-up was uneventful. In addition, we discuss the assessment and management strategy challenges for SAM in patients with aortic regurgitation or AS. Discussion: As transcatheter valve implantation expands its indications for more complex anatomy and patient's comorbidity. Self-expandable TAVI-prosthesis under TOE guidance is feasible for the treatment of symptomatic AS and SAM, especially in patients with high surgical risk.
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Tayel et al. (2024) conducted a case report in Combined symptomatic aortic stenosis and subaortic membrane (n=1). Self-expandable transcatheter aortic valve implantation (TAVI) was evaluated on Procedural success and clinical outcome at 3 months. Self-expandable transcatheter aortic valve implantation under transoesophageal echocardiography guidance successfully treated a patient with combined severe aortic stenosis and subaortic membrane.
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