Summary
We investigated the behavior of β-thromboglobulin (β-TG) and platelet factor 4 (PF 4) during exercise — upright bicycle ergometry — in 30 patients (median age, 62.4 years) with arteriographically proven peripheral arterial occlusive disease (PAOD) in a chronic stable phase. In 15 patients the exercise study was done twice; the second time was concurrent with administration of acetylsalicylic acid (ASA) in a dosage of 1.0 g/day, while the first time was without ASA therapy. There were no significant differences in either the group of patients with or that without ASA with regard to the platelet-specific proteins at rest, immediately after, and 30 min after exercise. Blood collected simultaneously (n=6) from an arm vein and from a femoral artery and femoral vein also revealed no significant differences. Our findings support the conclusion that exercise-induced peripheral ischemia with severe symptoms of claudication does not produce platelet alpha-granule release.
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Abbreviations
- ASA:
-
acetylsalicylic acid
- CV:
-
coefficient of variation
- PAOD:
-
peripheral arterial occlusive disease
- PF 4:
-
platelet factor 4
- β-TG:
-
β-thromboglobulin
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Minar, E., Ehringer, H. & Schöfl, R. Lack of elevation of β-thromboglobulin and platelet factor 4 in plasma during exercise in patients with chronic peripheral arterial occlusive disease. Klin Wochenschr 65, 419–423 (1987). https://doi.org/10.1007/BF01715764
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DOI: https://doi.org/10.1007/BF01715764