Motoric Cognitive Risk Syndrome: Difference between revisions

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== Diagnosis ==
== Diagnosis ==
The diagnosis of MCR is an involved process comprising neuropsychological tests, biomarker assays, imaging studies, questionnaire-based evaluation, and motor function tests. <ref name=":0" />
The diagnosis of MCR is an involved process comprising neuropsychological tests, biomarker assays (blood-based biomarkers potentially improve the accuracy by which specific causes of dementia can be diagnosed in vivo)<ref>Ahmed RM, Paterson RW, Warren JD, Zetterberg H, O'brien JT, Fox NC, Halliday GM, Schott JM. [https://jnnp.bmj.com/content/85/12/1426 Biomarkers in dementia: clinical utility and new direction]s. Journal of Neurology, Neurosurgery & Psychiatry. 2014 Dec 1;85(12):1426-34.Available:https://jnnp.bmj.com/content/85/12/1426<nowiki/>(Accessed 13.4.2023)</ref>, imaging studies, questionnaire-based evaluation, and motor function tests. <ref name=":0" />


Both neurological and non-neurological clinical abnormalities occur.  
Both neurological and non-neurological clinical abnormalities occur.  
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* Lifestyle habits known to limit the disease progression. Similar to [[dementia]] recommendations. eg Cognitive, physical, and social activities
* Lifestyle habits known to limit the disease progression. Similar to [[dementia]] recommendations. eg Cognitive, physical, and social activities
* Exercise
* Exercise
* Diet, nutritional supplements and vitamins known to support motor and cognitive improvement. eg vit D.  A 2022 sudy showed identified that there is direct association between vitamin D deficeincy and MCR syndrome in older adults without dementia, and supplementation is advised.<ref name=":1" />
* Diet, nutritional supplements and vitamins known to support motor and cognitive improvement. eg [[Vitamin D Deficiency|vit D]].  A 2022 sudy showed identified that there is direct association between vitamin D deficeincy and MCR syndrome in older adults without dementia, and supplementation is advised.<ref name=":1" />
* Symptomatic drug treatment eg anti depressants
* Symptomatic drug treatment eg anti depressants
* Psychotherapeutic counseling<ref name=":0" />
* Psychotherapeutic counselling<ref name=":0" />


== Physiotherapy ==
== Physiotherapy ==
Motor function tests for diagnosis and as treatment outcome measures include: including walking speed, dual-task gait tests, and ambulation ability.<ref name=":0" />  
Motor function tests for diagnosis and as treatment outcome measures include: including [[10 Metre Walk Test|walking speed]], dual-task gait tests, and ambulation ability.<ref name=":0" />  


Exercise has been to shown to have a role in preventing cognitive decline. Home-based exercises with telephonic coaching are both safe as well as feasible in patients with Motoric Cognitive Risk syndrome<ref>Ambrose AF, Gulley E, Verghese T, Verghese J. [https://www.futuremedicine.com/doi/full/10.2217/nmt-2020-0064 Home-based exercise program for older adults with Motoric Cognitive Risk syndrome: feasibility study.] Neurodegenerative disease management. 2021 Jun;11(03):221-8.Available:https://www.futuremedicine.com/doi/full/10.2217/nmt-2020-0064 (accessed 12.4.2023)</ref>
Exercise has been to shown to have a role in preventing cognitive decline. [[Adherence to Home Exercise Programs|Home-based exercises]] (with telephonic coaching ideall;y) are both safe feasible treatment option for patients with Motoric Cognitive Risk syndrome<ref>Ambrose AF, Gulley E, Verghese T, Verghese J. [https://www.futuremedicine.com/doi/full/10.2217/nmt-2020-0064 Home-based exercise program for older adults with Motoric Cognitive Risk syndrome: feasibility study.] Neurodegenerative disease management. 2021 Jun;11(03):221-8.Available:https://www.futuremedicine.com/doi/full/10.2217/nmt-2020-0064 (accessed 12.4.2023)</ref>
 
== Resources  ==
*bulleted list
*x
or
 
#numbered list
#x


== References  ==
== References  ==

Revision as of 07:13, 13 April 2023

Original Editor - Lucinda hampton

Top Contributors - Lucinda hampton  

Introduction[edit | edit source]

Motoric cognitive risk syndrome (MCR) is a syndrome that develops prior to dementia. The syndrome consists of a slower gait, cognitive deficits and a risk factor for various geriatric syndromes including frailty and falls.[1] New research is showing that gait dysfunction can be a forerunner of dementia.[2]

MCR amongst older persons is estimated to be 10% in the 60 + age group, giving this population a higher risk of future disability. As the global burden of dementia increases tools are needed to identify those vulnerable to dementia and instigate a preventative management plan.

Tools are needed to find potential dementia populations early.

Pathology[edit | edit source]

The pathology of MCR is due to frontal lacunar infarcts, for example:

  • White matter hyperintensity (predicts an increased risk of stroke, dementia, and death[3]).
  • Pre-motor and pre-frontal gray matter atrophy in the pre-motor and pre-frontal cortex
  • Inflammatory changes
  • Genetic factors.

Cerebrovascular lesions and cardiovascular disorders amplify the pathological changes. [4]

Diagnosis[edit | edit source]

The diagnosis of MCR is an involved process comprising neuropsychological tests, biomarker assays (blood-based biomarkers potentially improve the accuracy by which specific causes of dementia can be diagnosed in vivo)[5], imaging studies, questionnaire-based evaluation, and motor function tests. [4]

Both neurological and non-neurological clinical abnormalities occur.

  • Gait irregularities and accelerated functional decline (eg postural and balance dysfunction, memory loss, cognitive decline) stem from altered afferent sensory and efferent motor responses.
  • Confusing visual, vestibular, and proprioceptive inputs. [4]

Management[edit | edit source]

Management of MCR is multimodal, including

  • Lifestyle habits known to limit the disease progression. Similar to dementia recommendations. eg Cognitive, physical, and social activities
  • Exercise
  • Diet, nutritional supplements and vitamins known to support motor and cognitive improvement. eg vit D. A 2022 sudy showed identified that there is direct association between vitamin D deficeincy and MCR syndrome in older adults without dementia, and supplementation is advised.[1]
  • Symptomatic drug treatment eg anti depressants
  • Psychotherapeutic counselling[4]

Physiotherapy[edit | edit source]

Motor function tests for diagnosis and as treatment outcome measures include: including walking speed, dual-task gait tests, and ambulation ability.[4]

Exercise has been to shown to have a role in preventing cognitive decline. Home-based exercises (with telephonic coaching ideall;y) are both safe feasible treatment option for patients with Motoric Cognitive Risk syndrome[6]

References[edit | edit source]

  1. 1.0 1.1 Le Floch M, Gautier J, Annweiler C. Vitamin D Concentration and Motoric Cognitive Risk in Older Adults: Results from the Gait and Alzheimer Interactions Tracking (GAIT) Cohort. International Journal of Environmental Research and Public Health. 2022 Oct 12;19(20):13086.Available:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9602422/ (accessed 13.4.2023)
  2. Meiner Z, Ayers E, Verghese J. Motoric cognitive risk syndrome: a risk factor for cognitive impairment and dementia in different populations. Annals of geriatric medicine and research. 2020 Mar;24(1):3.Available: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7370775/(accessed 12.4.2023)
  3. Debette S, Markus HS. The clinical importance of white matter hyperintensities on brain magnetic resonance imaging: systematic review and meta-analysis. Bmj. 2010 Jul 26;341.Available:https://www.bmj.com/content/341/bmj.c3666 (accessed 13.4.2023)
  4. 4.0 4.1 4.2 4.3 4.4 Xiang K, Liu Y, Sun L. Motoric cognitive risk syndrome: symptoms, pathology, diagnosis, and recovery. Frontiers in Aging Neuroscience. 2022 Feb 2;13:728799.Available:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8847709/ (accessed 12.4.2023)
  5. Ahmed RM, Paterson RW, Warren JD, Zetterberg H, O'brien JT, Fox NC, Halliday GM, Schott JM. Biomarkers in dementia: clinical utility and new directions. Journal of Neurology, Neurosurgery & Psychiatry. 2014 Dec 1;85(12):1426-34.Available:https://jnnp.bmj.com/content/85/12/1426(Accessed 13.4.2023)
  6. Ambrose AF, Gulley E, Verghese T, Verghese J. Home-based exercise program for older adults with Motoric Cognitive Risk syndrome: feasibility study. Neurodegenerative disease management. 2021 Jun;11(03):221-8.Available:https://www.futuremedicine.com/doi/full/10.2217/nmt-2020-0064 (accessed 12.4.2023)