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Prostaglandins. 1990 Jun;39(6):657-64.

A double blind placebo controlled trial of intravenous prostacyclin (PGI2) in 108 patients with ischaemic peripheral vascular disease.

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2nd Department of Internal Medicine, Policlinic, Vienna, Austria.


108 patients with ischemic peripheral vascular disease were randomly allocated to receive infusion of either PGI2 (6 ng/kg/min over 8 hours daily for 5 consecutive days) or placebo in a double-blind manner. All patients had Stage II disease (Fontaine classification). One month after infusion the absolute and relative walking times were significantly (p less than 0.05) longer in the PGI2- than in the placebo-treated group. Patients were further classified as treatment responders or non-responders on the basis of increase of absolute and relative walking times. After one month 44% (24 out of 54) of the PGI2- and 15% (8 out of 54) of the placebo-treated patients were positive treatment-responders (p less than 0.01).

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