[HSF] Associated Coagulation Mishaps

[Nasser F. Abou'Seada]

Dear Prasanna 
What was your observed incidence of coagulation mishaps with this valve ????
.... I don't have the figures myself ready at hand .... nor have I conducted
an RCT .... yet ...just a "run" of costly "series" that convinced me not to
jeopardize more lives .... !!!!

NFA

> From: prasannasimha
> Omniscience was a terrible valve wrt Pannus . It seems to be a unique
> reaction to its sewing rim and I would not do Pannus excision for these
> valves.
> Prasanna
> 
> Michael Firstenberg wrote:
> > Common finding with Omni valves?  I was told this was more common with
> > the
> > St Judes.
> >
> > -michael
> >
> >
> > On 10/16/06, Nasser F. Abou'Seada <nfaabouseada at gmail.com> wrote:
> >>
> >> Dear Prasanna
> >> another proof that the presence of the valve as a foreign body per se
> >> elicits pannus formation as a reaction ..... in fact, as you have
> >> mentioned
> >> here .... I agree with you that the SUTURE TECHNIQUE and plan of
tissues
> >> as
> >> opposed to the implanted prosthesis... is more deciding for pannus
> >> formation, than the mere presence of the prosthesis itself per se.
> >>
> >> I do concur with your observation about Omniscience / Omnicarbon valves
> >> ....
> >> I used to call them Ominous-sign valves ... !! ....
> >> Incidentally another proof that the TYPE of the prosthesis is more
> >> deciding
> >> for/relating to pannus formation rather than the mere presence of the
> >> prosthesis itself as a foreign body ...!!
> >>
> >> NFA
> >>
> >> > From: prasannasimha
> >> > Great James,
> >> > Incidentally did you use non-everting or everting sutures this time ?
> >> > This "underside" pannus seems to be a common mode of failure of
> >> > prosthetic valves. As I said using a noneverting suture technique
> >> in the
> >> > aortic position has sharply reduced its incidence in my practice.
> >> > I did find a higher incidence when we were using Omniscience and
> >> > Omnicarbon valves
> >> > Prasanna
> >>
> >>
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