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Autoimmune encephalitis: A costly condition.

Jesse Cohen1, Javier Sotoca1, Shikha Gandhi1

  • 1From the Johns Hopkins Encephalitis Center (J.C., S.G., E.G.-L., R.G.G., J.C.P., A.V.), Department of Neurology, and Departments of Neurosurgery and Anaesthesia/Critical Care (R.G.G.), Johns Hopkins University School of Medicine, Baltimore, MD; Neurology Department (J.S.), IIB Sant Pau, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Department of Neurology and Pediatrics (A.K.Y.), Icahn School of Medicine at Mt. Sinai, New York, NY; Department of Neurology and Developmental Medicine (E.G.-L.), Kennedy Krieger Institute; and Johns Hopkins Carey Business School (K.D.F.), Baltimore MD.

Neurology
|January 25, 2019
PubMed
Summary
This summary is machine-generated.

Autoimmune encephalitis (AE) patients incur higher hospitalization costs and longer stays than herpes simplex encephalitis (HSE) patients. Intensive care unit (ICU) admission significantly increases the financial burden for AE patients.

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Area of Science:

  • Neurology
  • Immunology
  • Health Economics

Background:

  • Autoimmune encephalitis (AE) represents a significant neurological disorder.
  • Understanding the inpatient burden of AE is crucial for resource allocation and healthcare planning.

Purpose of the Study:

  • To assess the inpatient hospitalization burden and associated costs for patients diagnosed with autoimmune encephalitis (AE).
  • To compare the healthcare resource utilization of AE patients with those suffering from herpes simplex encephalitis (HSE).

Main Methods:

  • Retrospective analysis of adult inpatients diagnosed with AE between July 1, 2005, and June 30, 2015.
  • Collection and analysis of demographic and clinical data, including intensive care unit (ICU) admission.
  • Comparison of billing data and hospital charges between AE and herpes simplex encephalitis (HSE) patients, with inflation adjustment.

Main Results:

  • Out of 244 encephalitis admissions, 63 met criteria for probable or definite AE.
  • Patients with AE experienced a median hospital charge of over $70,000 and a median length of stay (LOS) of 15 days, with a 6% in-hospital mortality rate.
  • ICU-admitted AE patients incurred substantially higher median charges ($173,000) compared to non-ICU patients ($50,000), with LOS strongly correlating with costs.

Conclusions:

  • Autoimmune encephalitis (AE) patients utilized more inpatient healthcare resources and incurred higher costs than herpes simplex encephalitis (HSE) patients over a decade.
  • Intensive care unit (ICU) admission significantly elevated the financial burden for AE patients.
  • There is a critical need for improved diagnostic and therapeutic strategies to mitigate the patient and hospital burden associated with AE.