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Deep brain stimulation for Alzheimer's Disease: An update
Majed Aldehri1,2,3, Yasin Temel1, Ibrahim Alnaami4
1Department of Neurosurgery, Mental Health and Neuroscience, Maastricht University Medical Center, Maastricht, The Netherlands.
Surgical Neurology International
|March 27, 2018
Summary
Deep brain stimulation (DBS) shows potential for early-stage Alzheimer's disease (AD) by targeting neural circuits. Further clinical trials are needed to confirm its efficacy and mechanisms for treating this neurodegenerative condition.
Area of Science:
- Neuroscience
- Neurology
- Medical Technology
Background:
- Dementia, particularly Alzheimer's disease (AD), causes significant global disability and economic burden.
- Current AD treatments are limited, prompting investigation into novel therapeutic approaches.
- Deep brain stimulation (DBS) is being explored as a potential intervention for AD.
Purpose of the Study:
- To review the current understanding of Deep Brain Stimulation (DBS) effects in Alzheimer's disease (AD).
- To explore the potential mechanisms underlying DBS efficacy in AD.
- To identify therapeutic targets for DBS in AD based on neural circuitry.
Main Methods:
- Systematic literature search of PubMed and Cochrane databases.
- Inclusion of English-language studies on DBS in AD patients and relevant preclinical research.
- Focus on studies published between December 2013 and March 2017.
Main Results:
- Understanding of learning and memory neural circuitry has identified potential DBS targets like the fornix and nucleus basalis of Meynert.
- Clinical findings suggest DBS is most effective in early-stage AD patients.
- Proposed mechanisms include long-term structural plasticity, such as hippocampal enlargement and enhanced neurotransmitter release.
Conclusions:
- It is currently too early to definitively conclude that DBS is a viable treatment for AD.
- The field awaits results from ongoing and future clinical trials to establish DBS efficacy.
- Further research is necessary to validate the therapeutic potential of DBS in Alzheimer's disease.