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Sandfly virus seroconversion associated with neurologic presentation.

ABSTRACT: To describe the clinical presentation and unique neurologic manifestations of sandfly viruses (SFVs) in the Jerusalem area.We identified all patients with acute seroconversion to SFV at the Hadassah-Hebrew University Medical Centers during the years 2008-2013 and retrospectively collected and analyzed the clinical and imaging data.Nine patients (ranging from 1.5 to 85 years old) were identified. Presentation included acute neurologic disease, mostly with fever, change in consciousness and behavior, seizures, headache, meningitis, limb paresis, or myelitis. Eight patients had clinical signs of meningitis, meningoencephalitis, or encephalitis alone. Four patients had myelitis. MRI identified pathologic symmetrical changes in the basal ganglia, thalami, and other deep structures in 5 patients, and additional myelitis of the spine was noted on imaging in 3 patients. Seven patients had long-term follow-up: 4 completely recovered and 3 had remaining neurologic sequelae, among them 1 with permanent severe brain damage.Neurologic involvement associated with acute SFV infections is considered to be benign. However, in this series, all 9 patients presented with significant neurologic pathology associated with a unique finding of myelitis and symmetrical basal ganglia, thalami, or white matter involvement. Thus, acute SFV infection should be included in the differential diagnosis in febrile onset of neurologic manifestations and neuroradiologic changes.

SUBMITTER: Makranz C

PROVIDER: S-EPMC4701137 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature

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Sandfly virus seroconversion associated with neurologic presentation.

Makranz Chen C Qutteineh Hiba H Bin Hanna H Lustig Yaniv Y Gomori John Moshe JM Honig Asaf A Bayya Abed El-Raouf Ael-R Moses Allon E AE Ben-Hur Tamir T Averbuch Diana D Eichel Roni R Nir-Paz Ran R

Neurology(R) neuroimmunology & neuroinflammation 20151210 1

<h4>Objective</h4>To describe the clinical presentation and unique neurologic manifestations of sandfly viruses (SFVs) in the Jerusalem area.<h4>Methods</h4>We identified all patients with acute seroconversion to SFV at the Hadassah-Hebrew University Medical Centers during the years 2008-2013 and retrospectively collected and analyzed the clinical and imaging data.<h4>Results</h4>Nine patients (ranging from 1.5 to 85 years old) were identified. Presentation included acute neurologic disease, mos ...[more]

PMID: 26767189

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Project description:ImportanceThere are no prospective cohort studies assessing the incidence and spectrum of neurologic manifestations secondary to Zika virus (ZIKV) infection in adults.ObjectiveTo evaluate the rates of acute ZIKV infection among patients hospitalized with Guillain-Barré syndrome (GBS), meningoencephalitis, or transverse myelitis.Design, setting, and participantsA prospective, observational cohort study was conducted at a tertiary referral center for neurological diseases in Rio de Janeiro, Brazil, between December 5, 2015, and May 10, 2016, among consecutive hospitalized adults (>18 years of age) with new-onset acute parainfectious or neuroinflammatory disease. All participants were tested for a series of arbovirosis. Three-month functional outcome was assessed.InterventionsSamples of serum and cerebrospinal fluid were tested for ZIKV using real-time reverse-transcriptase-polymerase chain reaction and an IgM antibody-capture enzyme-linked immunosorbent assay. Clinical, radiographic (magnetic resonance imaging), electrophysiological, and 3-month functional outcome data were collected.Main outcomes and measuresThe detection of neurologic complications secondary to ZIKV infection.ResultsForty patients (15 women and 25 men; median age, 44 years [range, 22-72 years]) were enrolled, including 29 patients (73%) with GBS (90% Brighton level 1 certainty), 7 (18%) with encephalitis, 3 (8%) with transverse myelitis, and 1 (3%) with newly diagnosed chronic inflammatory demyelinating polyneuropathy. Of these, 35 patients (88%) had molecular and/or serologic evidence of recent ZIKV infection in the serum and/or cerebrospinal fluid. Of the patients positive for ZIKV infection, 27 had GBS (18 demyelinating, 8 axonal, and 1 Miller Fisher syndrome), 5 had encephalitis (3 with concomitant acute neuromuscular disease), 2 had transverse myelitis, and 1 had chronic inflammatory demyelinating polyneuropathy. Admission to the intensive care unit was required for 9 patients positive for ZIKV infection (26%), and 5 (14%) required mechanical ventilation. Compared with admission during the period from December 5, 2013, to May 10, 2014 (before the Brazilian outbreak of ZIKV), admissions for GBS increased from a mean of 1.0 per month to 5.6 per month, admissions for encephalitis increased from 0.4 per month to 1.4 per month, and admissions for transverse myelitis remained constant at 0.6 per month. At 3 months, 2 patients positive for ZIKV infection (6%) died (1 with GBS and 1 with encephalitis), 18 (51%) had chronic pain, and the median modified Rankin score among survivors was 2 (range, 0-5).Conclusions and relevanceIn this single-center Brazilian cohort, ZIKV infection was associated with an increase in the incidence of a diverse spectrum of serious neurologic syndromes. The data also suggest that serologic and molecular testing using blood and cerebrospinal fluid samples can serve as a less expensive, alternative diagnostic strategy in developing countries, where plaque reduction neutralization testing is impractical.

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Sandfly virus seroconversion associated with neurologic presentation.

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Sandfly virus seroconversion associated with neurologic presentation.

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