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A retrospective study of Creutzfeldt-Jakob disease in Belgium
P Pals1, B Van Everbroeck, R Sciot
1Born Bunge Foundation, University of Antwerp, Wilrijk, Belgium.
Insights
This study analyzed 100 Creutzfeldt-Jakob disease (CJD) cases from Belgian archives. Most patients had sporadic CJD, characterized by rapid mental decline and neurological symptoms, with no evidence of variant or iatrogenic forms.
Area of Science:
- Neurology
- Pathology
- Epidemiology
Background:
- Creutzfeldt-Jakob disease (CJD) is a rare, fatal neurodegenerative prion disease.
- Understanding the characteristics of CJD in specific populations is crucial for diagnosis and research.
Purpose of the Study:
- To characterize the clinical, epidemiological, and etiological features of Creutzfeldt-Jakob disease (CJD) in a Belgian cohort.
- To identify the prevalence of different CJD subtypes within the studied population.
Main Methods:
- Retrospective analysis of neuropathological archives and medical records from Belgian patients.
- Inclusion criteria required fulfillment of probable or definite diagnostic criteria for CJD.
- Data collected included patient demographics, clinical presentation, disease duration, EEG findings, and etiological classification.
Main Results:
- A cohort of 100 CJD patients was identified, with a mean age at death of 63 years and a median disease duration of 9 months.
- All patients exhibited progressive mental deterioration; 80% showed cerebellar dysfunction and myoclonus.
- Characteristic EEG abnormalities were observed in 50% of cases. Ninety-six patients had sporadic CJD, and 4 had hereditary CJD. No variant or iatrogenic CJD cases were found.
Conclusions:
- The Belgian CJD cohort predominantly comprises the sporadic form, presenting with typical clinical and EEG features.
- The findings underscore the importance of comprehensive neuropathological and clinical data for CJD classification.
- This study contributes to the understanding of CJD epidemiology and highlights the absence of variant or iatrogenic forms in this series.
Abstract:
Using data from Belgian neuropathological archives, completed with the results of a comprehensive study of available medical records, we found 100 patients who fulfilled diagnostic criteria for probable or definite Creutzfeldt-Jakob d1551isease (CJD). Mean age at death was 63 years. The median disease duration was 9 months. Progressive mental deterioration was present in all cases, whereas signs of cerebellar dysfunction and myoclonus were found in approximately 80% of the patients. In 50% of the population, the EEG revealed characteristic abnormalities. Ninety-six patients suffered from the sporadic type of CJD, while 4 suffered from a hereditary form. In our series, we could find no evidence for the new variant, neither for an iatrogenic cause.