Summary
In diseases associated with thrombotic or thromboembolic complications, a reduction in the fibrinolytic potential may contribute to the risk to develop thrombosis.
To investigate whether iuvenile cerebral infarction is associated with a permanent defect of the fibrinolytic system we measured the main components of the fibrinolytic system, tissue plasminogen activator (t-PA) and its fast acting inhibitor (PAI) in plasma samples of 21 patients (aged 21–44 years) 3–24 months after the acute event. The data obtained were compared to those from thirteen healthy young volunteers (22–46 years). A direct effect of known risk factors on the fibrinolytic system could be excluded because patients avoided their risk factors immediately after the ischemic cerebral attack. Hypertension and the combination of oral contraceptives and smoking had been the most striking original risk factors.
Levels of t-PA antigen and t-PA activity before and after venous occlusion, or PAI activity were not different between patients and controls suggesting that at least a permanent decrease in the activity of the fibrinolytic system does not exist in these patients. However, our findings do not exclude that a temporary defect in fibrinolysis might have contributed to the acute onset of the thrombotic cerebral event possibly induced by the risk factors originally present.
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Abbreviations
- t-PA:
-
tissue plasminogen activator
- PAI:
-
plasminogen activator inhibitor
- RIND:
-
reversibles ischämisches neurologisches Defizit
- KS:
-
kompletter Schlaganfall
- TIA:
-
transitorisch ischämische Attacke
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Baumgartner, C., Huber, K., Holzner, F. et al. Untersuchung zur Frage von persistierenden Veränderungen der Fibrinolyseparameter t-PA und PAI bei Patienten nach juvenilem ischämischen cerebralem Insult. Klin Wochenschr 66, 1110–1115 (1988). https://doi.org/10.1007/BF01727845
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DOI: https://doi.org/10.1007/BF01727845