[HSF] Valve Dysfunction - failure of Closure

[Nasser F. Abou'Seada]

"if you pinch a Regency valve with more than 2 lbs of  pressure
> between your thumb and index finger, the leaflets freeze."

Hal 
that is a very useful bit of information. 

NFA

> -----Original Message-----
> From: openheart-l-bounces at lists.hsforum.com [mailto:openheart-l-
> bounces at lists.hsforum.com] On Behalf Of Hgrmd at aol.com
> Sent: Wednesday, December 13, 2006 6:14 AM
> To: OpenHeart-L at lists.hsforum.com
> Subject: Re: [HSF] Valve Dysfunction - failure of Closure
> 
> Don,
>   All of your comments are so true.  I've reported my horrible  experience
> with the mitral Perimount to Edwards in the past with no  results.  In 2
cases,
> I experienced fatal LV wall rupture from the sharp  struts on the
Perimount
> valve. The 2 cases of trapped leaflets that I had with  the SJM Regency
aortic
> valve occurred when the valves were a tight fit.  In  both cases, I got
the v
> alve in, there appeared to be no obstruction of the  coronary ostia, both
> leaflets were tightly locked in the closed position.   I simply explanted
the valves
> and used a classic SJM aortic prosthesis.  No  further problems.
>   The fact is, if you pinch a Regency valve with more than 2 lbs of
pressure
> between your thumb and index finger, the leaflets freeze.  For the  last
> several years, I have used ATS mechanical for the few aortic mechanicals I
insert.
> Hal
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