Abstract：
BACKGROUND:This study aimed to investigate the prevalence and clinical relevance of chronic cerebrospinal venous insufficiency (CCSVI) in multiple sclerosis (MS) patients and healthy controls using extra- and intracranial colour Doppler sonography. METHODS:We examined 146 MS patients, presenting with a clinically isolated syndrome, relapsing-remitting, secondary progressive, or primary progressive MS, and 38 healthy controls. Sonographic examination was performed according to Zamboni's protocol and was performed by three independent sonographers. The results of sonographic examination were compared with clinical and demographic characteristics of the patients. RESULTS:CCSVI, defined as the presence of at least two positive Zamboni's criteria, was found in 76% of MS patients and 16% of control subjects. B-mode anomalies of internal jugular veins, such as stenosis, malformed valves, annuli, and septa were the most common lesions detected in MS patients (80.8%) and controls (47.4%). We observed a positive correlation between sonographic diagnosis of CCSVI and the patients' age (p = 0.003). However, such a correlation was not found in controls (p = 0.635). Notably, no significant correlations were found between sonographic signs of CCSVI and clinical characteristics of MS, except for absent flow in the jugular veins, which was found more often in primary (p<0.005) and secondary (p<0.05) progressive patients compared with non-progressive patients. Absent flow in jugular veins was significantly correlated with patients' age (p < 0.0001). CONCLUSIONS:Sonographically defined CCSVI is common in MS patients. However, CCSVI appears to be primarily associated with the patient's age, and poorly correlated with the clinical course of the disease.
journal_name
BMC Neuroljournal_title
BMC neurologyauthors
Lanzillo R,Mancini M,Liuzzi R,Di Donato O,Salvatore E,Maglio V,Vacca G,Amato L,D'Anna G,Brunetti A,Brescia Morra Vdoi
10.1186/1471-2377-13-20subject
Has Abstractpub_date
2013-02-13 00:00:00pages
20issn
1471-2377pii
1471-2377-13-20journal_volume
13pub_type
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