Stentless porcine bioprostheses for all types of aortic root pathology

Abstract

With implantation of stentless bioprostheses, an improved hemodynamic function will be obtained. Almost every aortic root pathology can be safely treated with any of the techniques described. The short and intermediate results seem to be at least equal to any other prostheses or treatment methods. The long-term performance of these devices is still under investigation.

Aortic valve replacement with the Edwards Prima plus stentless bioprothesis

“…In patients with moderate amdoectasia and wide but nonarieurysmal enlargement of the aortic root, the inclusion cylinder technique may be helpful. 6,7 As with other replacement devices, concomitant surgery increases the risk of surgery, a However, mortality with and without concomitant surgery is in the range reported in other series and for other replacement devices. One nmst take into account that our patients constitute a nonselected cohort, because our general policy is to offer stentless valves to males over age 40 to 45 and females over age 60 to 65.…”

Are stentless valves hemodynamically superior to stented valves? Long-term follow-up of a randomized trial comparing Carpentier–Edwards pericardial valve with the Toronto Stentless Porcine Valve

“…Finally, optimized hemodynamic profiles and enhanced leaflet motion would improve overall valvular durability and minimize the need for reoperation. [10][11][12][13] Although such improvements were expected with the advancements in prosthetic design, much controversy exists regarding the true hemodynamic and clinical effect of stentless valves. To date, numerous comparative studies have been undertaken.…”

The St. Jude Toronto stentless bioprosthesis: Up to 20 years follow-up in younger patients

“…All patients gave written informed consent after detailed discussion. The operation was performed according to institutional standards [Konertz 1994;Sidiropoulos 1997]. After approval of the study by the local ethics committee, follow-up data was acquired by patient file research and telephone interview.…”