Utility of a super-flexible three-dimensional printed heart model in congenital heart surgery (Free)

Utility of a super-flexible three-dimensional printed heart model in congenital heart surgery (Free)

 

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OBJECTIVES

The objective of this study was to assess the utility of 3D printed heart models of congenital heart disease for preoperative surgical simulation.

METHODS

Twenty patient-specific 3D models were created between March 2015 and August 2017. All operations were performed by a young consultant surgeon who had no prior experience with complex biventricular repair. All 15 patients with balanced ventricles had outflow tract malformations (double-outlet right ventricle in 7 patients, congenitally corrected transposition of great arteries in 5, transposition of great arteries in 1, interrupted aortic arch Type B in 1, tetralogy of Fallot with pulmonary atresia and major aortopulmonary collateral arteries in 1). One patient had hypoplastic left heart complex, and the remaining 4 patients had a functional single ventricle. The median age at operation was 1.4 (range 0.1–5.9) years. Based on a multislice computed tomography data set, the 3D models were made of polyurethane resins using stereolithography as the printing technology and vacuum casting as the manufacturing method.

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