Surgical correction of aortic regurgitation using a HAART 300? rigid aortic ring: A novel method to standardize aortic valve repair

摘要

Due to the lack of reproducible surgical repairtechniques which yield good long-term results, tricuspid aortic valve regurgitation, until recently, hasbeen managed primarily with replacement of thevalve with mechanical or biological prostheses [1].Therefore, cardiac surgeons have been searchingfor repair techniques which enable the preservationof native valve for many years [2, 3]. Long-termresearch showed that a key factor facilitating permanent repair of the aortic valve, similar to mitralor tricuspid valves, was stabilization of the annulus.Stabilization prevents the recurrence of aorticregurgitation due to subsequent dilatation of theaortic root [4, 5]. The recently designed HAART300? (BioStable Science and Engineering, Austin,TX) rigid ring implanted under aortic valve cusps(Fig. 1A, B) could be a significant achievement inthe area of aortic valve stabilization. The first fourcases of HAART 300? aortic ring implantation inPoland have recently been published [6].