VASA. Zeitschrift fur Gefasskrankheiten

[The effect of Taprostene on platelet activation and clinical course after percutaneous transluminal angioplasty].

PMID 8851268


In a double blind pilot study, we examined the effects of the stable prostacyclin derivate taprostene compared to a combination of aspirin and dipyridamole on platelet uptake and clinical outcome after peripheral percutaneous angioplasty. Taprostene was administered to 19 patients as a continuous intravenous infusion from 2 hours before until 8 (n = 6) or 24 (n = 6) hours after angioplasty; 7 control patients were given a combination of 330 mg aspirin and 75 mg dipyridamole. Uptake of 111-indium labelled platelets at the site of the PTA was measured 3 hours before and 4 and 24 hours after angioplasty. Clinical parameters were obtained one day before PTA, on the following day and 3 months after the procedure. There was a tendency for slightly higher platelet uptake ratios in the taprostene groups as compared to the control group especially in patients requiring technically difficult procedures. There were no differences between the 3 groups with regard to primary success or periinterventional complications. In the taprostene patients, 3 early reocclusions were found up to 72 hours after the procedure and 1 late reocclusion within 3 months. In the control group, no reocclusion was apparent in the observation time. No advantages were found when taprostene was administered during angioplasty as compared to conventional treatment with aspirine and dipyridamole.

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Taprostene sodium salt, ≥98% (HPLC)