[Infectious prion disease: CJD with dura mater transplantation]

Takeshi Sato1

  • 1Department of Neurology, Higashiyamato Hospital, Tokyo.

Insights

Creutzfeldt-Jakob disease (CJD) can transmit via contaminated dura mater grafts, with over 100 cases linked to a specific German brand. Dura-related CJD cases present younger and show distinct clinical and pathological features.

Area of Science:

  • Neurology
  • Infectious Diseases
  • Pathology

Context:

  • Prion diseases, including Creutzfeldt-Jakob disease (CJD), affect both animals and humans.
  • Human CJD can be transmitted through medical procedures involving contaminated tissues, such as dura mater grafts and pituitary hormones.
  • Iatrogenic CJD cases linked to dura mater grafts have been reported globally, with a significant concentration in Japan.

Purpose:

  • To analyze the epidemiology, clinical presentation, and pathological characteristics of dura mater graft-associated Creutzfeldt-Jakob disease (CJD).
  • To identify specific risk factors and patterns associated with dura mater graft transmission of CJD.
  • To differentiate between clinical and pathological subtypes of dura mater graft-associated CJD.

Summary:

  • A total of 156 dura mater graft-associated CJD cases have been reported across 17 countries, with over two-thirds originating in Japan.
  • A nationwide survey identified 105 dura-related CJD cases between 1979 and 2003, with 91 linked to a single German dura mater brand.
  • Dura-related CJD cases exhibit an earlier onset (mean age 54.2 years) compared to sporadic CJD (mean age 64 years) and present in two distinct forms: rapidly progressive and slowly progressive.

Impact:

  • Highlights the risk of prion disease transmission through surgical materials.
  • Informs public health strategies for preventing iatrogenic Creutzfeldt-Jakob disease.
  • Contributes to understanding the heterogeneity of CJD pathogenesis and clinical manifestations.