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  • Title: Vascular endothelial growth factor in chronic subdural haematomas.
    Author: Shono T, Inamura T, Morioka T, Matsumoto K, Suzuki SO, Ikezaki K, Iwaki T, Fukui M.
    Journal: J Clin Neurosci; 2001 Sep; 8(5):411-5. PubMed ID: 11535006.
    Abstract:
    OBJECTIVE: To elucidate molecular aspects of the mechanisms of expansion of chronic subdural haematomas (CSH), we examined the expression of two representative angiogenic factors, vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF) in CSH. METHODS: We quantified VEGF and bFGF in haematoma fluid and serum of 20 patients with CSH using an enzyme-linked immunosorbent assay. Mean concentrations of VEGF in the haematoma fluid (10277 pg/ml) and in serum, (355 pg/ml) were much greater than those of bFGF (haematoma, 3.04 pg/ml; serum, 4.74 pg/ml). Surgical specimens, including dura and the outer membrane of the CSH were analysed by in situ hybridisation to detect VEGF mRNA. Macrophages and vascular endothelial cells in the outer membrane over expressed VEGF mRNA. CONCLUSIONS: Enhanced production of VEGF by macrophages and vascular endothelial cells in the outer membrane is thought to be pathogenetically important in CSH.
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