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Balloon valvuloplasty

A balloon valvuloplasty catheter is a polymer, long tube with a special balloon at the end used during balloon aortic valvuloplasty (BAV), i.e., dilation of a narrowed aortic valve. Aortic narrowing, or aortic stenosis, obstructs blood flow from the left ventricle to the aorta, causing the development of heart failure and clinical symptoms such as chest pain, palpitations, dizziness, pre-syncope, syncope, and in more severe cases, shortness of breath on exercise and/or at rest.

How valvuloplasty balloon work

Valvuloplasty is performed both in children with a congenital defect and in adults, in whom it is usually an acquired defect. A valvuloplasty balloon is inflated during the procedure to widen the affected aortic valve. This allows the restoration of normal blood flow and the reduction of clinical symptoms. Currently, a balloon valvuloplasty catheter is often used during transcatheter aortic valve implantation (TAVI) procedures, both to dilate the patient's own valve (predilation) and to adjust the TAVI valve expansion (postdilation).

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