Lyme Neuroborreliosis – A Retrospective Study

Background: Lyme Neuroborreliosis represents the acute or chronic infection of the central nervous system (CNS) and peripheric nervous system (PNS), as a consequence of a systemic infection.
Objectives: to evaluate the epidemiological, clinical, serological and post-therapeutic implications of CNS and PNS damage during Borrelia burgdorferi (Bb) infection.
Material and method: We performed a retrospective study on 23 patients admitted between January 1st, 2009 – December 31, 2010. The patient’s inclusion was made respecting the criteria of the European Center for Diseases Control (ECDC) and the European Union Concerted Action on Lyme Borreliosis (EUCALB). The levels of antiBb antibodies (IgM, IgG) were measured in the cerebro-spinal fluid (CSF) and in the serum using ELISA and Western blot methods. Imaging techniques were used in the case of patients with meningeal and cerebral lesions. The patients were treated with 3rd generation cephalosporins and cyclins. Statistical analysis was performed using the Chi square and Student tests.
Results: Twenty patients (86.96%) were included in the acute phase and 3 patients (13.04%) in the chronic phase of the disease. Meningeal damage was observed in 16 patients (69.56%), cerebral damage in 4 patients (17.39%), cranial nerve lesions in 2 patients (8.69%), radiculoneuritis in 1 patient (4.34%). Serological investigations using the ELISA method revealed the presence of antiBb antibodies in 100% of cases, in the CSF antiBb IgM antibodies were found in 18 patients (78.26%), IgG in 3 patients (13.04%); using the Western-blot method IgM antibodies were found in 20 patients (86.96%) and IgG in 3 patients (13.04%).
Conclusions: Early diagnosis and therapy led to a favorable evolution compared with patients who were treated late, the latter presenting neurological sequelae and relapses.

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