• S Lotric-Furlan, J Cimperman, V Maraspin, E Ruzić-Sabljić, M Logar, T Jurca, and F Strle.
• Department of Infectious Diseases, University Medical Centre, Ljubljana, Slovenia.
• Wien. Klin. Wochenschr. 1999 Dec 10; 111 (22-23): 970-5.

AbstractFrom 1994 to 1996, 114 consecutive patients older than 15 years who presented at the Department of Infectious Diseases, University Medical Centre, Ljubljana, fulfilled the criteria for inclusion into this study on the borrelial aetiology of peripheral facial palsy (PFP). The study was restricted to patients without a conceivable explanation for their PFP, erythema migrans or history of erythema migrans, clinical signs/symptoms of frank meningitis or any other neurological manifestation in addition to PFP. In 22 (19.3%) of these 114 patients borrelial infection was confirmed by one of the following: in 3 (13.6%) by the isolation of Borrelia burgdorferi sensu lato from cerebrospinal fluid (CSF), in 11 (50%) by the presence of intrathecal antibody production, and in 8 (36.4%) by seroconversion to borrelial antigens. Additional 20 (17.5%) patients interpreted as having had a probable borrelial infection, had positive (> or = 1:256) IFA IgM and/or IgG borrelial serum antibody titres, and in 9 (7.9%) patients borderline borrelial antibody titres (1:128) were found (interpreted as a possible infection). In 63 (55.3%) patients the serological tests remained negative. Lymphocytic pleocytosis was found at the first visit in 12/22 (54.5%) patients with confirmed borrelial infection, in 3/20 (15%) with probable infection, in 1/9 (11.1%) with possible infection, and in 10/63 (15.9%) patients with symptoms of unknown aetiology. Patients with confirmed borrelial infection had abnormal CSF findings significantly more often than did patients with symptoms of unknown aetiology (p = 0.0139 for lymphocytic pleocytosis and/or elevated CSF protein levels, and p = 0.0010 for lymphocytic pleocytosis). Local and systemic signs/-symptoms were also more common in patients with confirmed borrelial infection than in those with an symptoms of unknown aetiology (p = 0.0258). In Slovenia which is a highly endemic region for Lyme borreliosis, borrelial infection is a frequent cause of PFP in adult patients. PFP may occur early in the course of LB, prior to measurable antibody response, indicating the need for serologic follow-up. Abnormal CSF results and the presence of additional local and/or systemic symptoms are factors indicating a higher possibility of borrelial aetiology of PFP and should alert physicians to suspect LB.

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