Journal Article Summary
The article discusses a case of myoclonus, which is characterized by sudden, involuntary muscle jerks, in a patient with Alzheimer’s disease who was treated with memantine. This topic is significant because myoclonus can occur as a side effect of medications used for neurodegenerative disorders, and recognizing this association is crucial for patient care. Understanding the potential adverse effects of treatments like memantine is important for managing symptoms and improving the quality of life for patients with Alzheimer’s disease.
In this case, an 89-year-old male with a history of Alzheimer’s disease developed generalized myoclonus after starting memantine. The myoclonus was assessed using a structured rating scale, revealing that it did not significantly impair the patient's functional abilities. After discontinuing memantine, the myoclonus gradually resolved over several weeks, indicating a possible link between the medication and the muscle jerks. The patient had previously been treated with other medications for myoclonus without significant improvement, highlighting the importance of identifying the cause of new symptoms.
The article notes some limitations, including the fact that the case is based on a single patient, which may not represent the broader population. It emphasizes the need for healthcare professionals to be vigilant about potential drug-induced myoclonus in patients with Alzheimer’s disease, especially when new symptoms arise after starting a medication. Patients and caregivers should discuss any unusual movements or symptoms with their healthcare provider to ensure appropriate evaluation and management, as myoclonus can take time to resolve after stopping the offending medication.
Medical Safety Note
This journal article summary is provided for educational purposes only and is not medical advice. Always consult a licensed healthcare professional before starting, stopping, or changing any medication.
Article Cited
- Murgai Aditya A., LeDoux Mark S.. Memantine-induced Myoclonus in a Patient with Alzheimer Disease. Tremor and Other Hyperkinetic Movements 2015. DOI: 10.7916/D8ZG6RD9. PMID: 26317045. PMCID: PMC4548970.
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