Rapid pannus formation after few months of obstructing aortic mechanical prosthesis.
We report a rare case of a prosthetic aortic valve obstruction due to pannus formation only 3 months following aortic and mitral valve replacement. Fragments of asymmetrical pannus formation affected one of the leaflets of the bi-leaflet mechanical valve; the leaflet appeared immobile due to pannus ingrowth into the mechanical skeleton resulting in encroachment of the leaflet, which in turn became immobile. The patient successfully underwent emergency redo-aortic valve replacement.
Department of Cardiothoracic Surgery, Royal Victoria Hospital, Grosvenor Road, Belfast, BT12 6BA, Northern Ireland, UK. basselalalao@yahoo.com.
Bassel
B
Al-Alao
Department of Cardiothoracic Surgery, Royal Victoria Hospital, Grosvenor Road, Belfast, BT12 6BA, Northern Ireland, UK.
Urszula
U
Simoniuk
Department of Pathology, Royal Victoria Hospital, Grosvenor Road, Belfast, BT12 6BA, Northern Ireland, UK.
Brian
B
Heron
Department of Cardiothoracic Surgery, Royal Victoria Hospital, Grosvenor Road, Belfast, BT12 6BA, Northern Ireland, UK. hparissis@yahoo.co.uk.
Haralabos
H
Parissis
D000368:Aged; D001021:Aortic Valve / Q000601:surgery*; D005260:Female; D006083:Graft Occlusion, Vascular / Q000209:etiology*; D006350:Heart Valve Prosthesis; D019918:Heart Valve Prosthesis Implantation / Q000379:methods; D006801:Humans; D008943:Mitral Valve / Q000601:surgery; D011475:Prosthesis Failure / Q000209:etiology*; D012086:Reoperation
Aortic; Cardiac surgery; Pannus; Prosthesis