ArticleAnnals of thoracic surgery short reports2026
Management of TAVI Candidates With Metal Allergy: Minimally Invasive Aortic Valve Replacement With a Metal-Free Bioprosthesis.
Article in Annals of thoracic surgery short reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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8 authors.
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Abstract
An 87-year-old woman with severe aortic stenosis required intervention. Patch testing demonstrated nickel and cobalt hypersensitivity, ruling out transcatheter valve implantation. After multidisciplinary review, minimally invasive aortic valve replacement through a right anterior thoracotomy was chosen, thereby avoiding median sternotomy and stainless steel wires. A 21-mm Avalus bioprosthesis (Medtronic)-engineered without a metallic stent-was implanted successfully. Recovery was smooth. Extubation occurred within hours, and the patient was discharged from the hospital on postoperative day 5. At 1 year, prosthetic performance and clinical status were excellent. This experience illustrates a practical path when transcatheter treatment is contraindicated by documented metal allergy: minimally invasive surgery with a metal-free valve.
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