[HSF] ATS valve

[Nasser F. Abou'Seada]

Axis perpendicular to the septum

NFA


On 6/18/07, prasannasimha <prasannasimha at gmail.com> wrote:
>
> Does that mean that the hinge line should be placed between
> bisecting the two coronary ostia  ?
> Prasanna
> rwmfglycar at aol.com wrote:
> > Prasanna,
> > Do not placa a Bileaflet valve with the axis le3ttoright across the
> > orifice . This will leave onr leaqflet and orifice over the septal
> > bulge. The flow from this leaflet will be directed at the leser curve
> > , may tend to open less and will be acompanied by less smooth flow
> > into the aorta and a higher gradient. t is preferable to have one end
> > of the hinge right over the septal area. Flow will then proceed evenly
> > through both orifices towards the greater curve and on around to the
> > arch.
> > Bob
> >
> >
> > -----Original Message-----
> > From: hgrmd at aol.com
> > To: OpenHeart-L at lists.hsforum.com
> > Sent: Mon, 18 Jun 2007 1:57 pm
> > Subject: Re: [HSF] ATS valve
> >
> >
> >
> >
> >
> >
> > Prasanna,
> >
> >   I've been using ATS mechanicals for about the last 3 years.  No
> > problems so
> > far.  The thing I like about it is the ability to reliably rotate
> it.  In
> > addition, I've had no problems with leaflet impingement which was a
> > problem with
> > the St. Jude Regent.  For small calcified mitral annuli, they have an
> > AP valve
> > that sits on top of the valve orifice.  This is a life saver if you
> > are faced
> > with an orifice smaller than 25 mm.
> >
> >
> >
> > Hal
> >
> >
> > -----Original Message-----
> > From: prasannasimha <prasannasimha at gmail.com>
> > To: OpenHeart-L at lists.hsforum.com <OpenHeart-L at lists.hsforum.com>
> > Sent: Mon, 18 Jun 2007 11:08 am
> > Subject: [HSF] ATS valve
> >
> >
> >
> > 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