[HSF] ATS valve

[David Harris]

How many are using monoleaflet valves. I am using only
Med Hall valves, and have found that particularly in
the aortic position, it is easier to orientate towards
the greater curvature. And especially when space is an
issue, an enlargement has been done, and the fibrous
trigone area is still sitting close to that half of
the valve. They are also rotatable.



--- 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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Dr. David G. Harris, FCS, MMED,
Cardiothoracic Surgeon        
Suite 207                                
Kuils River Private Hospital,        
PO Box 1200, Kuils River, 7579, Cape Town, South Africa.            
Tel +27-21-9006411             
Fax +27-21-9006412      Mobile +27-83-3309587