Limitations of multimodality imaging in the diagnosis of pannus formation in prosthetic aortic valve and review of the literature.
Pannus formation is a rare complication and occurs almost exclusively in mechanical prosthetic valves. It consists of fibrous tissue that covers the surface of the prosthesis either concentrically or eccentrically, resulting in valve dysfunction. The pathophysiology seems to be associated to a chronic inflammatory process that explains the late and insidious clinical presentation. This diagnosis should be considered in patients with high transvalvular gradients on transthoracic echo, and workup should be completed with fluoroscopy and transesophageal echocardiography. Treatment is always surgical and recurrence is rare. We present a case of pannus formation in a prosthetic aortic valve and a review of the literature regarding this disorder.
Juan Bautista Soumoulou, Tomás Francisco Cianciulli, Alberto Cozzarin, María Cristina Saccheri, Jorge Alberto Lax, Department of Cardiology, Hospital "Dr. Cosme Argerich", Ciudad Autónoma de Buenos Aires C1155AHD, Argentina.
Juan Bautista
JB
Soumoulou
Juan Bautista Soumoulou, Tomás Francisco Cianciulli, Alberto Cozzarin, María Cristina Saccheri, Jorge Alberto Lax, Department of Cardiology, Hospital "Dr. Cosme Argerich", Ciudad Autónoma de Buenos Aires C1155AHD, Argentina.
Tomás Francisco
TF
Cianciulli
Juan Bautista Soumoulou, Tomás Francisco Cianciulli, Alberto Cozzarin, María Cristina Saccheri, Jorge Alberto Lax, Department of Cardiology, Hospital "Dr. Cosme Argerich", Ciudad Autónoma de Buenos Aires C1155AHD, Argentina.
Andrea
A
Zappi
Juan Bautista Soumoulou, Tomás Francisco Cianciulli, Alberto Cozzarin, María Cristina Saccheri, Jorge Alberto Lax, Department of Cardiology, Hospital "Dr. Cosme Argerich", Ciudad Autónoma de Buenos Aires C1155AHD, Argentina.
Alberto
A
Cozzarin
Juan Bautista Soumoulou, Tomás Francisco Cianciulli, Alberto Cozzarin, María Cristina Saccheri, Jorge Alberto Lax, Department of Cardiology, Hospital "Dr. Cosme Argerich", Ciudad Autónoma de Buenos Aires C1155AHD, Argentina.
María Cristina
MC
Saccheri
Juan Bautista Soumoulou, Tomás Francisco Cianciulli, Alberto Cozzarin, María Cristina Saccheri, Jorge Alberto Lax, Department of Cardiology, Hospital "Dr. Cosme Argerich", Ciudad Autónoma de Buenos Aires C1155AHD, Argentina.
Jorge Alberto
JA
Lax
Juan Bautista Soumoulou, Tomás Francisco Cianciulli, Alberto Cozzarin, María Cristina Saccheri, Jorge Alberto Lax, Department of Cardiology, Hospital "Dr. Cosme Argerich", Ciudad Autónoma de Buenos Aires C1155AHD, Argentina.
Robert
R
Guidoin
Juan Bautista Soumoulou, Tomás Francisco Cianciulli, Alberto Cozzarin, María Cristina Saccheri, Jorge Alberto Lax, Department of Cardiology, Hospital "Dr. Cosme Argerich", Ciudad Autónoma de Buenos Aires C1155AHD, Argentina.
Ze
Z
Zhang
Fluoroscopy; Pannus formation; Prosthetic aortic valve; Transesophageal echocardiography; Transthoracic echocardiography