Posterior reversible encephalopathy syndrome

Incidence and associated factors in a pediatric critical care population

Shashi Raj, Philip Overby, Amichai J. Erdfarb, Henry Michael Ushay

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

AbstractBackground Posterior reversible encephalopathy syndrome may occur frequently and be underrecognized in children and young adults admitted to a pediatric critical care unit. Methods Patients <21 years of age with the diagnosis of posterior reversible encephalopathy syndrome were reviewed in this retrospective cohort study conducted over a 30-month period. Results There were 2588 admissions to pediatric critical care unit, 226 neurology service consultations, and 10 patients diagnosed with posterior reversible encephalopathy syndrome (incidence of 1 in 259 pediatric critical care unit admissions, 0.4%). The majority of posterior reversible encephalopathy syndrome patients (9/10) presented with generalized tonic and or clonic seizures. Apart from hypertension and cytotoxic medication use, anemia, a previously unreported risk factor, was found in all 10 (100%) patients with posterior reversible encephalopathy syndrome. One-year follow up available in eight patients showed no residual neurological deficits attributable to posterior reversible encephalopathy syndrome with significant resolution of white matter signal abnormalities on neuroimaging. Conclusion Our case cohort includes an estimation of incidence of posterior reversible encephalopathy syndrome in children and young adults with 1-year follow-up and anemia as a potential previously unreported risk factor.

Original languageEnglish (US)
Pages (from-to)335-339
Number of pages5
JournalPediatric Neurology
Volume49
Issue number5
DOIs
StatePublished - Nov 2013

Fingerprint

Posterior Leukoencephalopathy Syndrome
Critical Care
Pediatrics
Incidence
Population
Anemia
Young Adult
Seizures
Neurology
Neuroimaging
Cohort Studies
Referral and Consultation
Retrospective Studies
Hypertension

Keywords

  • children
  • eye
  • infant
  • Keywords
  • posterior reversible encephalopathy syndrome

ASJC Scopus subject areas

  • Clinical Neurology
  • Pediatrics, Perinatology, and Child Health
  • Developmental Neuroscience
  • Neurology

Cite this

Posterior reversible encephalopathy syndrome : Incidence and associated factors in a pediatric critical care population. / Raj, Shashi; Overby, Philip; Erdfarb, Amichai J.; Ushay, Henry Michael.

In: Pediatric Neurology, Vol. 49, No. 5, 11.2013, p. 335-339.

Research output: Contribution to journalArticle

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N2 - AbstractBackground Posterior reversible encephalopathy syndrome may occur frequently and be underrecognized in children and young adults admitted to a pediatric critical care unit. Methods Patients <21 years of age with the diagnosis of posterior reversible encephalopathy syndrome were reviewed in this retrospective cohort study conducted over a 30-month period. Results There were 2588 admissions to pediatric critical care unit, 226 neurology service consultations, and 10 patients diagnosed with posterior reversible encephalopathy syndrome (incidence of 1 in 259 pediatric critical care unit admissions, 0.4%). The majority of posterior reversible encephalopathy syndrome patients (9/10) presented with generalized tonic and or clonic seizures. Apart from hypertension and cytotoxic medication use, anemia, a previously unreported risk factor, was found in all 10 (100%) patients with posterior reversible encephalopathy syndrome. One-year follow up available in eight patients showed no residual neurological deficits attributable to posterior reversible encephalopathy syndrome with significant resolution of white matter signal abnormalities on neuroimaging. Conclusion Our case cohort includes an estimation of incidence of posterior reversible encephalopathy syndrome in children and young adults with 1-year follow-up and anemia as a potential previously unreported risk factor.

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