[HSF] ATS valve

[prasannasimha]

Out of curiosity - why 18 mm ? and what was the postoperative gradient 
in this case ?
Prasanna

Mehta Sukumar 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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