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The effects of prostaglandin E-1 in patients with intermittent claudication.

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  • 1Department of Internal Medicine, Cardiovascular and Nephrourological Disease, Policlinico Universitario P. Giaccone, University of Palermo, Italy, Via del Vespro 127, 90129 Palermo, Italy.


Aim of the study is to evaluate the effects of Prostaglandin E-1 (PGE-1) in patients with peripheral arterial disease (PAD) at the 2nd b stage Fontaine's classification. The study, controlled, single blinded, enrolled 123 patients with intermittent claudication that were randomised in two groups; the first group received a treatment with PGE-1 while the second one received a pentoxifylline-buflomedil association by venous infusion. We evaluated: Pain Free Walking Distance (PFWD), Maximum Walking Distance (MWD), Rest Flow (RF), Peak Flow (PF), Basal (BVR) and Minimal Vascular Resistance (MVR) with a strain gauge plethysmograph, Resting Flow (RF), Peak Flow (PF), time to reach the Peak Flow (tPF) and time to recovery of the base values (tRF) with laser Doppler flowmeter. After a four weeks treatment, we observed an increase of 370% about PFWD and of 260% in the MWD in patients treated with PGE-1; the other group showed an increase of 110% and 118% respectively. Moreover, the patients of the first group showed a significant increase regarding the plethysmographic Peak Flow (from 9.75+/-1.37 to 16.21+/-1.75, p<0.001), greater than the one observed in the second group (from 9.53+/-1.41 to 13.47+/-1.53, p<0.05); also the laser Doppler parameters showed a significant reduction, more evident in the first group (tPF from 23.0+/-7.5 to 10.5+/-4.9, p<0.001; tRF from 73.5+/-22.7 to 48.3+/-13.5, p<0.001) than in the second one.

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