Infolding of self expanding valve due to loss of nitinol memory during transcatheter aortic valve implantation
Nandhakumar Vasu1,; Aashish Chopra2; Ravinder Singh Rao3; Mullasari S Ajit2;
1. Insitute of Cardio-Vascular Diseases, The Madras Medical Mission Hospital, Chennai, India, India 2. Institute of Cardio-Vascular Diseases, The Madras Medical Mission Hospital, Chennai, India. 3. Department of Cardiology, Eternal Hospital, Jaipur, India.
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A 78-year-old gentleman, had transcatheter aortic valve implantation using Evolut-R (Medtronic, Minneapolis, Minnesota) valve. On computed tomography the perimeter derived annulus diameter was 29.1mm (Panel-A). A 34mm Evolut-R was precisely loaded and the same was confirmed fluoroscopically before insertion into the sheath (Panel-B). The Evolut-R was recaptured twice due to unsatisfactory position. During the third release, following confirmation of annular position the valve was deployed. Post deployment the patient had cardiac arrest and prompt cardiopulmonary resuscitation was initiated.
Interventions for valvular diseaseTAVI
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