Neurological features of West Nile Virus infection during the 2000 outbreak in a regional hospital in Israel

Klein, Colin; Kimiagar, Itzhak; Pollak, Lea; Gandelman-Marton, Revital; Itzhaki, Avi; Milo, Ron; Rabey, J. M.

doi:10.1016/s0022-510x(02)00135-1

Cited by 68 publications

(60 citation statements)

References 13 publications

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“…However, in contrast to our usual patients with seasonal aseptic meningitis, patients with WNV-associated meningoencephalitis and, especially, meningitis seemed to have a more severe and prolonged clinical course [38].…”

contrasting

confidence: 88%

Electroencephalography Findings in Adult Patients with West Nile Virus--Associated Meningitis and Meningoencephalitis

Gandelman-Marton¹,

Kimiagar²,

Itzhaki³

et al. 2003

Clinical Infectious Diseases

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Eighteen adult patients with serologically confirmed West Nile virus (WNV)-associated meningitis or meningoencephalitis were admitted to our hospital during the 2000 West Nile fever outbreak in Israel. Thirteen of the patients had a more severe and prolonged clinical course, and an electroencephalogram (EEG) was, therefore, requested. A specific EEG pattern was seen in 8 patients, consisting of generalized slowing, which was more prominent over the anterior regions. Generalized slowing that was prominent over the temporal area was seen in 2 patients, and intermittent slowing over the temporal region was seen in 1 patient. Two patients had normal EEG findings. We suggest that WNV meningoencephalitis should be considered in the differential diagnosis of meningitis or meningoencephalitis with a prolonged clinical course and anteriorly predominant slowing on an EEG.

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confidence: 88%

Electroencephalography Findings in Adult Patients with West Nile Virus--Associated Meningitis and Meningoencephalitis

Gandelman-Marton¹,

Kimiagar²,

Itzhaki³

et al. 2003

Clinical Infectious Diseases

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“…This was based on limited electrodiagnostic studies with abnormal findings on motor and sensory NCS. 15,20 A single case of an acute demyelinating peripheral polyneuropathy as seen with Guillain-Barré syndrome (GBS), with conduction velocities ranging between 20 and 30 m/s, was reported. 1 Our electrophysiological findings parallel those encountered with acute paralytic poliomyelitis caused by wild polio virus and vaccine-induced poliomyelitis.…”

Section: Discussionmentioning

confidence: 99%

Electrodiagnostic features of acute paralytic poliomyelitis associated with West Nile virus infection

Alshekhlee

Katirji

2004

Muscle and Nerve

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West Nile virus (WNV) infection is a potentially fatal disease, with meningoencephalitis being its most common neurological manifestation. Guillain-Barré syndrome (GBS) has also been described, but acute paralytic poliomyelitis has only recently been recognized. We report the clinical and electrodiagnostic findings of five patients with WNV infection, who presented with acute paralytic poliomyelitis. Three patients manifested focal asymmetrical weakness, and two had rapid ascending quadriplegia mimicking GBS. Electrodiagnostic studies during the acute illness showed normal sensory nerve action potentials, compound motor action potentials of normal or reduced amplitude, and no slowing of nerve conduction velocities. Depending on the timing of the examination, fibrillation potentials were widespread, including in those with focal weakness. Cervical magnetic resonance imaging in one patient showed abnormal T2-weighted signals in the spinal cord gray matter. On follow-up, signs of clinical improvement were seen in one patient, whereas two remained quadriplegic and ventilator-dependent 5 months after the onset. This report highlights the value of the electrodiagnostic studies in the diagnosis and prognosis of focal or generalized weakness due to acute paralytic poliomyelitis associated with WNV infection.

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“…Two reports noted only the presence or absence of an eruption but did not describe it further. 11,18 However, 5 studies noted the presence of spots of macular or papular erythema on the extremities. 1,4,5,19,20 In addition, the eruption of WNV infection was commonly described as morbilliform.…”

Section: Discussionmentioning

confidence: 99%

Punctate exanthem of West Nile Virus infection: Report of 3 cases

Anderson¹,

Horn²,

Hoang³

et al. 2004

Journal of the American Academy of Dermatology

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Neurological features of West Nile Virus infection during the 2000 outbreak in a regional hospital in Israel

Cited by 68 publications

References 13 publications

Electroencephalography Findings in Adult Patients with West Nile Virus--Associated Meningitis and Meningoencephalitis

Electroencephalography Findings in Adult Patients with West Nile Virus--Associated Meningitis and Meningoencephalitis

Electrodiagnostic features of acute paralytic poliomyelitis associated with West Nile virus infection

Punctate exanthem of West Nile Virus infection: Report of 3 cases

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