Journal
MULTIPLE SCLEROSIS AND RELATED DISORDERS
Volume 18, Issue -, Pages 157-160Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.msard.2017.09.033
Keywords
Fibrinogen; Multiple sclerosis; Relapses; Magnetic resonance imaging; Clinically isolated syndrome
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Fibrinogen is a protein that plays a key role in blood coagulation and thrombosis and it is involved in several inflammatory processes; in multiple sclerosis (MS) may be related with blood-brain barrier (BBB) disruption. We analysed the relationship between plasma fibrinogen levels and the presence of active lesions on magnetic resonance imaging (MRI) during relapses of multiple sclerosis (MS) and clinically isolated syndrome (CIS) patients. Methods: We collected data of patients admitted to a tertiary-care hospital with relapse of MS and CIS from 2008 to 2013 and we analysed the relation between plasma fibrinogen levels (normal: 200 mg/dl-417mg/dl) and the presence of active lesions on brain or spinal MRI. Results: A total of 58 patients were included, 45 (77%) CIS patients, 12 (21%) relapsing-remitting MS (RR-MS) and 1 (2%) active progressive MS (P-MS). 17 patients had high plasma fibrinogen levels (> 417 mg/dl). Among total of patients with elevated plasma fibrinogen, 15 (88%) had active lesions on MRI and only 2 (12%) did not have active lesion on MRI (p = 0,013) with a specificity of 95%. All patients with fibrinogen> 417 mg/dl were CIS (p =< 0.05). Discussion: We observed that high plasma fibrinogen levels had a high specificity high specificity, but low sensitivity (only 40%) for detection of active lesions on MRI during relapses of MS. These findings support the hypothesis that fibrinogen could play an important role on the development of MS lesions, however, additional studies are needed to confirm these results.
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