[HSF] Ao Wraping

[Tea Acuff]

Not exactly. It is like a bone that is never stressed or muscle that never flexs. The wrap (or pledget in small doses) takes on the function of support so the native tissue underneath involutes. Remember when i said that structure is function and you thought I was nuts or at least waxing philosophic? The aortic wall when wrapped has no real structural function and nearly disappears.
tea


----- Original Message ----
From: Michael Firstenberg <msfirst at gmail.com>
To: OpenHeart-L at lists.hsforum.com
Sent: Friday, March 30, 2007 11:40:30 AM
Subject: Re: [HSF] Ao Wraping


so, are you saying that the native aorta fell apart and when you went back
in there was nothing to sew too?


-michael

On 3/30/07, Jbflegejr at aol.com <Jbflegejr at aol.com> wrote:
>
> I wrapped the ascending aorta in several patients some years ago when I
> was
> much intimidated by the prospect of replacing the aorta. I mentioned this
> technique to a colleague who had had much more experience than I and he
> said that
> he had seen calcification of the aorta underneath the wrap. Not too long
> afterwards one of my patients with a wrapped aorta came back with a
> degenerated
> porcine aortic replacement valve about ten years after his operation. I
> found at
> reoperation that all that remained of the aortic wall under the wrap was a
> thin, like an egg shell, layer that was very brittle and fragmented easily
> and
> made for some difficulty in replacing the aorta. I do not know what
> happened to
> the other patients. This finding was exactly like what my colleague
> described.
> John Flege
>
>
>
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