PMID: 20657532Oct 29, 2010Paper

Patency of arteriovenous fistula for dialysis improbe with topical spraygel heparin

Panminerva Medica
S StuardU Cornelli

Abstract

Vascular access for hemodialysis can be provided by a native arteriovenous fistula (AVF), a synthetic arteriovenous graft (AVG), or a central venous catheter. The mature, native fistula is considered the preferred type of vascular access. This study evaluates the results of a retrospective registry assessing topically applied heparin (added to antiplatelet therapy) efficacy in patients with newly created AVF. To the current "best treatment", a number of patients also added topical heparin spray, a formulation containing a high concentration of heparin sodium for topical administration. At present, the average followup time is 7.9 months (range 3-12). In all patients using topical heparin, AVF remained patent and suitable for dialysis at three months. One fistula occluded at six months, and one more become unsuitable for dialysis. In patients using only antiplatelets, three fistulas occluded at three months and another two at six months of follow-up. In all, after six months of follow-up, there were two patients using heparin for whom the dialysis access was not suitable for dialysis; in the group treated with antiplatelets only, the access could not be used any longer in six patients. Addition of heparin reduced the risk for pa...Continue Reading

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