What is Creutzfeldt-Jakob disease (CJD)?
CJD is a rare, fatal brain disorder caused by infectious misfolded proteins called prions.
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Health / Rare Diseases
Creutzfeldt-Jakob Disease Case: Woman Dies After 50-Year Latency
A recent case report details the death of a 58-year-old woman who contracted Creutzfeldt-Jakob disease (CJD) nearly 50 years after receiving contaminated growth hormone treatments as a child. This case highlights the exceptionally long late...
Key Insights
- A woman died from iatrogenic Creutzfeldt-Jakob disease (iCJD) almost 50 years after receiving prion-contaminated cadaver-derived human growth hormone (chGH).
- This case represents the longest documented latency period for iCJD.
- The National Hormone Pituitary Program (NHPP) administered chGH to treat growth failure in approximately 7,700 US patients from the 1960s through the 1980s.
- The US stopped using cadaver-derived HGH in 1977, thus reducing the risk of prion contamination.
- CJD is a rare, fatal neurodegenerative disorder caused by misfolded prion proteins that are resistant to standard sterilization methods.
- Symptoms of CJD include cognitive troubles, involuntary muscle jerks, and lack of coordination.
In-Depth Analysis
## Background Creutzfeldt-Jakob disease (CJD) is a rare and fatal prion disease that causes rapid neurodegeneration. Prions are infectious misfolded proteins that trigger normal proteins in the brain to misfold and clump together, disrupting brain function. Iatrogenic CJD (iCJD) is a form of the disease transmitted through medical procedures, such as the use of contaminated surgical instruments or, as in this case, human growth hormone derived from cadavers.
## The Case The woman in this case received cadaveric human growth hormone (chGH) for nearly 10 years, starting at age 7. She presented with gait imbalance and tremors almost five decades later. After the onset of symptoms, her condition rapidly deteriorated, leading to coma and death. An autopsy confirmed iCJD, with the source likely being the contaminated chGH she received as a child.
## Diagnosis of CJD Diagnosing CJD involves several steps:
- **Neurological Exam:** Identifies changes in reflexes, muscle twitching, coordination, and vision problems.
- **Electroencephalography (EEG):** Records brain electrical patterns to detect abnormalities.
- **MRI:** Creates detailed brain images to identify changes common in CJD cases.
- **Cerebrospinal Fluid (CSF) Tests:** Detects prions and markers of brain cell death.
## Why This Matters This case underscores the importance of recognizing the potential for long latency periods in iCJD and maintaining vigilance in diagnosing unexplained neurological symptoms in individuals with a history of receiving human-derived biological products. It also highlights the significance of stringent screening and purification processes for biological materials used in medical treatments.
FAQ
How is CJD transmitted?
CJD can occur sporadically, be inherited, or be transmitted through contaminated medical equipment or biological products.
What are the symptoms of CJD?
Symptoms include cognitive decline, muscle jerks, coordination problems, and vision issues.
Is there a cure for CJD?
Currently, there is no cure for CJD. Treatment focuses on managing symptoms and providing supportive care.
Takeaways
- Be aware of the risk, although small, of iCJD if you received human-derived growth hormone before 1977.
- If you experience new neurologic symptoms and have a history of receiving chGH, consult a neurologist and mention your history of hormone treatment.
- Researchers are continually working to better understand, diagnose, and treat CJD.
Discussion
Do you think the medical community is doing enough to prevent iCJD? Share this article with others who need to stay ahead of this trend!
Sources
Disclaimer
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