[HSF] (no subject)

[psimha]

Hal,
the rule for these bioprosthesis is to tie down the three sutures at the 
posts first to prevent this happening.This was a dictum for us during 
our training to prevent this happening. Also the tow post sutures should 
correspond to the trigones and the third posteriorly.
Prasanna
Hgrmd at aol.com wrote:
> Dear Chuck,
>   I've never used Biocor in the aortic position.  After all, it's  still a 
> pig valve.  I prefer bovine pericardial valves because of my  experience and 
> impression from the literature that it's durability is  superior.  However, I 
> don't like Perimount in the mitral position.   The profile is 13mm compared to 
> Biocor's 8mm.  I've also seen Edwards  porcine mitral cause clinically important 
> LVOT obstruction.  That's why  I've been using Biocor mitrals for the past 2 
> years.  If you haven't used  them in that position, I would caution you to 
> make sure that it is properly  seated, all the way around, before tying it down.  
> Early on, I had problems  with a strut getting stuck on the atrial side of 
> the annulus due to it's very  low height.  It was fairly easy to fix by 
> replacing a couple of tied  sutures, but it was a bit of a pain.
>  
> Hal
>
>
>
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