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Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
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Public Health.

Ilse Murrieta Hernandez1, Enrique Isaac Tetlalmatzi Azuara1, Hector Tellez Lucero1

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Summary
This summary is machine-generated.

Creutzfeldt-Jakob disease (CJD) incidence in Mexico is emerging, with a higher detection rate in 2024. Understanding CJD epidemiology is crucial for managing rapidly progressive dementia in emergency care.

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Area of Science:

  • Neurology
  • Epidemiology
  • Public Health

Background:

  • Creutzfeldt-Jakob disease (CJD) is a fatal neurodegenerative disorder.
  • Epidemiological data on CJD in Mexico is limited.
  • Previous studies analyzed small case series, leaving incidence and prevalence unknown.

Purpose of the Study:

  • To determine the incidence of sporadic CJD in Mexico.
  • To analyze clinical, imaging, and cerebrospinal fluid variables of CJD patients.
  • To identify the geographical distribution of CJD cases within Mexico.

Main Methods:

  • Retrospective analysis of patients diagnosed with sporadic CJD at a national neurology institute.
  • Calculation of CJD incidence within the Emergency Department for 2023 and 2024.
  • Review of electronic medical records for clinical, imaging (MRI), EEG, and CSF data.

Main Results:

  • CJD incidence in the Emergency Department was 0.06% in 2023 and 0.10% in 2024.
  • A total of 16 cases met diagnostic criteria, with only 3 from Mexico City.
  • Diverse clinical presentations were observed, including dementia, psychosis, and primary progressive aphasia; all patients showed MRI abnormalities.

Conclusions:

  • CJD is characterized by rapidly progressive dementia with varied clinical features.
  • Understanding CJD incidence in Mexico is essential for developing management strategies.
  • This study provides initial insights into CJD epidemiology in Mexico, highlighting the need for further research.