[HSF] ATS valve

[Nasser F. Abou'Seada]

Dear Bob
Would you please elaborate on the "open Pivot Design" ? ...

NFA

On 6/18/07, Mehta Sukumar <sukumarhmehta at yahoo.com> wrote:
>
> Prasanna,
> I implanted two valves recently and one of them was an 18 mm aortic valve.
> The other was in another patient in mitral position. I liked the look of the
> "open pivot design" and felt like agreeing to the claim that as there are no
> crevices in the housing, it would be less prone to thrombosis at hinges.
> When I actually handled the vlave and had a close look, I appreciated what
> they meant by the open pivot design but they could not describe perfectly in
> their brochures. I kept my anticoagulation strategy the same as usual,
> despite the claim for less thrombogenicity. Implantation-wise, I did not
> notice any particular "bad or ugly" point.
> Sukumar.
>
>
> prasannasimha <prasannasimha at gmail.com> wrote:
> We implanted our units first ATS valve last week.(The so called advanced
> performance valve) Seemed OK and patient had low gradients etc (AVR) Can
> members who ave implanted it tell me about their experiences especially
> the good the bad and the ugly (More interested in the last two).
> One thing I noted when we were implanting the valve was that we had
> sized it to a 24 AP (actually 26 sizer went in but 24 was the largest
> size supplied) and it did take a bit of effort to get it in (though once
> in it fit well). I was a bit worried at that time that it may have been
> "oversized" wrt to the sizer.
> Is there any 'preferred " position in literature wrt bilealfet valves in
> the aortic position. (I am aware of the position wrt monoleaflet valves
> but could not really get any data for bileaflet valves).
> Prasanna
>
>
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-- 
Nasser  F.  Abou'Seada,
MB,ChB,MD,FRCSEd,ChM,ChD C/Th,
FICS,FISCVS,FSSRCTS,FHMS,MESC