PMID: 9546225Apr 18, 1998Paper

Vein graft surveillance: is graft revision without angiography justified and what criteria should be used?

Journal of Vascular Surgery
M M IduJ M Tordoir

Abstract

The objective of this study was to assess the accuracy of color-flow duplex surveillance parameters to detect infrainguinal vein graft stenoses and to investigate whether graft revision without angiography is justified. In a prospective study in which three centers participated, the data of graft surveillance in 300 patients were analyzed. For the evaluation of surveillance criteria all patients underwent a digital subtraction angiography if a graft stenosis was suspected. To create a control group, in patients with normal grafts a consented digital subtraction angiography was performed also. From these data the accuracy of seven duplex and three ankle blood pressure-derived variables was assessed. The relation between various surveillance criteria and continued graft patency was determined with life table analysis with the transient state method. The mean follow-up period was 20 months (range, 1 to 40 months). At univariate and multivariate analysis the peak systolic velocity (PSV) ratio provided the best correlation with angiographic stenoses > or = 70% (PSV ratio cutoff 3.0: sensitivity 80%, specificity 84%). This finding did not differ between the participating centers. With life table methods it was demonstrated that the b...Continue Reading

References

May 1, 1992·European Journal of Vascular Surgery·P R TaylorA N Nicolaides
Oct 1, 1990·The British Journal of Surgery·P R TaylorR E Houston
Feb 1, 1990·Journal of Vascular Surgery·L M TaylorJ M Porter
Aug 1, 1989·American Journal of Surgery·J G SladenL D Sanders
Oct 1, 1995·Journal of Vascular Surgery·M T CapsD E Strandness
May 1, 1994·European Journal of Vascular Surgery·A H DaviesM Horrocks

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Citations

Mar 10, 2001·Journal of Vascular Surgery·L H IhlbergM Lepäntalo
Jan 4, 2001·Journal of Vascular Surgery·K D GibsonD E Strandness
Jun 1, 2000·European Journal of Vascular and Endovascular Surgery : the Official Journal of the European Society for Vascular Surgery·L IhlbergM Lepäntalo
Sep 27, 2002·European Journal of Vascular and Endovascular Surgery : the Official Journal of the European Society for Vascular Surgery·S SpronkP T den Hoed
Jan 22, 2002·Journal of Vascular Surgery·Gregory J LandryJohn M Porter
Jun 10, 2005·Journal of Vascular Surgery·John B TaggertPhilip S K Paty
Sep 24, 2002·Vascular and Endovascular Surgery·Annika BoströmGörel Ostholm
Sep 21, 2001·Vascular Surgery·B ToursarkissianM T Sykes

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