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[Neurological complications of tick-borne relapsing fever].
Revista de Neurologia 2016 September 17
INTRODUCTION: Tick-borne relapsing fever (TBRF) can cause neurological complications. There are hardly any studies in Spain on this subject.
AIM: To study the prevalence and clinical characteristics of neurological complications of patients with TBRF.
PATIENTS AND METHODS: We retrospectively reviewed all the patients attended with TBRF over 12 years (2004-2015) in a hospital in a rural area of southern Spain.
RESULTS: We included 75 patients, 42 males (56%). Mean age: 33 years (range: 14-72 years). Tick bites were observed in 9 patients (12%). The most common symptoms were: fever in 64 (85.3 %) patients, headache in 41 (54.6%) patients, and vomits in 26 (34.6%) patients. Manifestations suggesting meningeal involvement were noted in 9 (12%) of the patients, and 3 patients (4%) had clear meningeal signs on admission. All these patients underwent lumbar puncture. None of the patients presented facial palsy or other neurologic manifestation. Cerebrospinal fluid abnormalities were found in the three patients with meningismus. In one case Borrelia were found in the cerebrospinal fluid. In those cases with neurologic involvement the treatment used was penicillin G in one case and ceftriaxone in two patients. All patients recovered completely.
CONCLUSIONS: TBRF is one of the less severe forms of borreliosis and less than 5% of patients present neurological complications. However, physicians should know that Borrelia can cause meningitis in subjects exposed to ticks in endemic regions of TBRF.
AIM: To study the prevalence and clinical characteristics of neurological complications of patients with TBRF.
PATIENTS AND METHODS: We retrospectively reviewed all the patients attended with TBRF over 12 years (2004-2015) in a hospital in a rural area of southern Spain.
RESULTS: We included 75 patients, 42 males (56%). Mean age: 33 years (range: 14-72 years). Tick bites were observed in 9 patients (12%). The most common symptoms were: fever in 64 (85.3 %) patients, headache in 41 (54.6%) patients, and vomits in 26 (34.6%) patients. Manifestations suggesting meningeal involvement were noted in 9 (12%) of the patients, and 3 patients (4%) had clear meningeal signs on admission. All these patients underwent lumbar puncture. None of the patients presented facial palsy or other neurologic manifestation. Cerebrospinal fluid abnormalities were found in the three patients with meningismus. In one case Borrelia were found in the cerebrospinal fluid. In those cases with neurologic involvement the treatment used was penicillin G in one case and ceftriaxone in two patients. All patients recovered completely.
CONCLUSIONS: TBRF is one of the less severe forms of borreliosis and less than 5% of patients present neurological complications. However, physicians should know that Borrelia can cause meningitis in subjects exposed to ticks in endemic regions of TBRF.
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