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Journal of Long-Term Effects of Medical Implants
SJR: 0.133 SNIP: 0.491 CiteScore™: 0.89

ISSN Imprimir: 1050-6934
ISSN On-line: 1940-4379

Journal of Long-Term Effects of Medical Implants

DOI: 10.1615/JLongTermEffMedImplants.2016013857
pages 13-42

The ROVT Elan Valved Biplex Conduits for the Reconstruction of the Right Ventricular Outflow Tract

Robert Guidoin
Department of Surgery, Faculty of Medicine, Laval University, Quebec, QC, Canada; Axe Medecine Regeneratrice, Centre de Recherche du CHU, Quebec, QC, Canada
Yijun Fu
Key Laboratory of Textile Science and Technology of the Ministry of Education, College of Textile, Donghua University, Shanghai, China
Bin Li
Department of Surgery, Faculty of Medicine, Laval University, Quebec, QC, Canada; Axe Medecine Regeneratrice, Centre de Recherche du CHU, Quebec, QC, Canada; Department of Vasular Surgery Changhai Hospital, Secondary Military Medical University, Shanghai, China
Nihal Weerasena
Cardiothoracic Surgery, Leeds General Infirmary Leeds, West Yorkshire, United Kingdom
Jean-Michel Bourget
Departments of Surgery and Radiology, Faculty of Medicine, Laval University, Axe Medecine Regeneratrice, Centre de Recherche, CHU, Quebec, (QC) Canada
Royston Paynter
INRS, Energie, materiaux et communications, Varennes (QC) Canada
Xinxin Li
Departments of Surgery and Radiology, Faculty of Medicine, Laval University, Axe Medecine Regeneratrice, Centre de Recherche, CHU, Quebec, (QC) Canada
Jing Lin
Key Laboratory of Textile Science and Technology of Ministry of Education and College of Textiles, Donghua University, Shanghai, PR. China
Lu Wang
Key Laboratory of Textile Science and Technology of the Ministry of Education, College of Textile, Donghua University, Shanghai, China
Boyin Qin
Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
Randolph Guzman
Vascular Surgery, St. Boniface General Hospital and Department of Surgery, University of Manitoba, Winnipeg, Manitoba, Canada
Denis Desaulniers
Department of Surgery, Faculty of Medicine, Laval University Quebec, QC, Canada
Guy Dionne
Departments of Surgery and Radiology, Faculty of Medicine, Laval University, Axe Medecine Regeneratrice, Centre de Recherche, CHU, Quebec, (QC) Canada
Lucie Germain
Departments of Surgery and Radiology, Faculty of Medicine, Laval University, Axe Medecine Regeneratrice, Centre de Recherche, CHU, Quebec, (QC) Canada
Ze Zhang
Department of Surgery, Faculty of Medicine, Laval University, Quebec, QC, Canada; Axe Medecine Regeneratrice, Centre de Recherche du CHU, Quebec, QC, Canada

RESUMO

The reconstruction of the right ventricular outflow tract (RVOT) system represents a considerable challenge for both manufacturers and surgeons because the patients requiring this type of devices have a very diverse set of anatomical challenges that can lead to complications and subsequent early device failures. We conducted an indepth investigation of a porcine-valve conduit explanted from a patient following an adverse event. A control device was analyzed as a reference. The rapid aging of the porcine valve in the right side of the heart together with major thrombus formation raises several questions. The difficulties encountered with materials used and also the design features of the conduits are once again highlighted. This group of patients continues to increase in number due to success in the surgical outcomes in early childhood. Therefore, there is a greater demand for an appropriate device. However, much work is still needed to achieve this goal, and the best approach to achieving success remains unanswered.

Palavras-chave: RVOT, valved conduit, thrombosis

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