Boereboom FTJ, Bosman PJ, Blankestijn PJ, Koomans HA
Do patients with angiographically proven access stenosis have
low access blood flow?
Am Soc Nephrol
J Am Soc Nephrol (abstract)
(Nov) 6:483 1995
This study combined access pressure measurements (at 200 ml blood
flow = VP200, and the delta pressure from 0 to 400 blood flow
(VP0-400), access flow measurements using the Transonics
ultrasound dilution monitor, and angiographic findings in 36
patients. In 19 the angiogram revealed significant stenosis, and
in this group the pressures were higher and the flow was lower
than in patients with unobstructed angiograms. Not surprisingly,
some with angiographically proved stenosis had high flows,
ranging up to 1440 ml/min.
Comment: One of the few
studies that combines all measurements. The only piece missing
is outome data regarding the incidence of access clotting.
Perhaps then we will know which measure best predicts graft
failure.
(Daugirdas)
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Am Soc Nephrol
Basic hemodialysis :
Vascular Access: graft/fistula