Title
The decrease in procarboxypeptidase U (TAFI) concentration in acute ischemic stroke correlates with stroke severity, evolution and outcome The decrease in procarboxypeptidase U (TAFI) concentration in acute ischemic stroke correlates with stroke severity, evolution and outcome
Author
Faculty/Department
Faculty of Pharmaceutical, Biomedical and Veterinary Sciences. Pharmacy
Faculty of Pharmaceutical, Biomedical and Veterinary Sciences . Biomedical Sciences
Publication type
article
Publication
Oxford ,
Subject
Human medicine
Source (journal)
Journal of thrombosis and haemostasis. - Oxford
Volume/pages
8(2010) :1 , p. 75-80
ISSN
1538-7933
ISI
000272864200013
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Background and objectives: Procarboxypeptidase U (proCPU, TAFI) concentration in plasma is potentially related to thrombotic tendency, and elevated proCPU levels have been reported in ischemic stroke patients. Improved insight into the role of proCPU in acute ischemic stroke is essential for the development of more adequate therapeutics that may include carboxypeptidase inhibitors. In this study we investigated whether the plasma concentration of proCPU and the proCPU kinetic profile in acute ischemic stroke are related to initial stroke severity, stroke evolution in the subacute phase and long-term stroke outcome. Methods: Plasma concentration of proCPU was assessed in 136 stroke patients at admission (7.5 h after stroke onset), at 24 h, at 72 h and at day 7 after stroke onset. We evaluated the relation between change in proCPU concentrations and (a) stroke severity (patients with TIA vs. stroke patients, NIHSS score at admission), (b) stroke evolution (stroke progression, infarct volume at 72 h), and (c) stroke outcome (mRS score at month 3). Results: ProCPU concentration decreased significantly in the first 72 h after stroke onset and thereafter returned to baseline. This biphasic time course, with its nadir at 72 h, was more pronounced in patients with severe stroke, unfavourable stroke evolution in the first 72 h and poor long-term outcome. Conclusions: The decrease in proCPU concentration in the first 72 h after stroke onset correlates with more severe stroke, unfavourable stroke evolution, and poor long-term stroke outcome.
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