Abstract:
:Cerebral aneurysm affects 2-5% of the population and posterior inferior cerebellar artery (PICA) aneurysms account for 1-3% of all intracranial aneurysms. Oxidative stress is known to contribute to the progression of cerebrovascular disease and it may be increased by inflammation, a key contributor to cerebral aneurysm development and rupture. The aim of this study was to examine the role of overall oxidative stress as a risk factor for rupture of PICA aneurysms. This study included 29 patients with PICA aneurysms: 18 ruptured and 11 unruptured. We determined catalase, malondialdehyde, myeloperoxidase and carbonyl groups in homogenates of excised aneurysm tissue after surgery and plasma levels of C reactive protein and fibrinogen. The patient's age and sex, size of aneurysms, multiplicity, history of previous subarachnoidal hemorrhage (SAH) and risk factors for oxidative stress such as hypertension and smoking were compared between unruptured and ruptured aneurysms. Maximal diameter and SAH history were independent predictors for aneurysm rupture. Activity of catalase was decreased while activity of myeloperoxidase, levels of malondialdehyde, carbonyl groups in aneurismal tissue and plasma levels of C reactive protein and fibrinogen were increased in patients with ruptured aneurysms. Plasma levels of C reactive protein and fibrinogen showed positive correlation with myeloperoxidase, malondialdehyde, carbonyl groups and PHASES score and negative correlation with catalase. These findings suggest that oxidative stress may contribute importantly to rupture of PICA aneurysms and plasma levels of C reactive protein and fibrinogen correlate with oxidative stress markers in tissue.
journal_name
Mol Biol Repjournal_title
Molecular biology reportsauthors
Šćepanović V,Tasić G,Repac N,Nikolić I,Janićijević A,Todorović D,Stojanović M,Šćepanović R,Mitrović D,Šćepanović T,Borozan S,Šćepanović Ldoi
10.1007/s11033-018-4374-6subject
Has Abstractpub_date
2018-12-01 00:00:00pages
2157-2165issue
6eissn
0301-4851issn
1573-4978pii
10.1007/s11033-018-4374-6journal_volume
45pub_type
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