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> Date: Wed, 6 Nov 1996 16:20:00 -0600
> Reply-to: [log in to unmask]
> From: "Lee Nix@CARDIAC" <[log in to unmask]>
> To: flownet <[log in to unmask]>
> Subject: renal collateral
> In response to the question regarding collateral supply to the kidney I
> got
> the following response from Beverley Ketel, the head of transplant
> surgery
> here at U. of Arkansas:
>
>
> Lee,
>
> Should I answer the question? There are small collateral vessels which
> can
> keep the kidney "alive" but do not allow any significant kidney
> function.
> Occasionally we identify a kidney which has had a recent renal artery
> occlusion and is still viable because of collaterals. If the renal
> artery is
> reconstructed the kidney sometimes functions again. If the main artery
> is
> occluded for too long no meaningful function returns to the kidney.
> Gary
> Barone has gotten one patient off dialysis by reconstructing both of her
>
> occluded renal arteries.
>
> Bev
> ----------
> From: Lee Nix@CARDIAC
> To: Beverley Ketel, M.D.
> Subject: FW: RENAL ARTERY OCCLUSIONS
> Date: Tuesday, November 05, 1996 2:13PM
> Priority: High
>
> Here is an interesting question for you from the peripheral vascular
> email
> system. I wasn't aware that there were any collaterals for renal
> arteries.
>
> Hello out there!
Dr. Benjamin is our renovascular surgeon, he just finished his
fellowship at Bowman gray - the mecca for renal reconstruction. He
says that the kidney never really dies with a renal artery occlusion
because of collateral flow. We almost always detect flow from
kidneys that have occluded renal arteries, which makes the study a
challenge - the old is it occluded or is it me question. Flow is
usually below 10cm/sec with a monophasic waveform. This is where
kidney size and renal function come into play.
Gail - UMMS
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