A new research study provides an explanation for why clinical trials of drugs reducing proteins in the brain that were thought to cause dementia and Alzheimer’s have failed. The study has opened the way for potential new treatments with existing drugs | Human Molecular Genetics | via ScienceDaily
In an article in the journal, Human Molecular Genetics, researchers assembled evidence from a wide range of human studies and animal models of dementia-related diseases to show that inflammation is a major cause, not just a consequence. The new work turns previous thinking around. The genetic linkages imply that the inflammation comes first — and the tissue damage second.
Project leader Professor Robert Richards explains that by reducing some elements of inflammation, it may be possible to reduce dementia symptoms:
“With this new understanding of the disease, we now need to test existing anti-inflammatory drugs for their effectiveness in treating dementia,” he says.
University College London | May 2018 | Mid-life anxiety may be linked to later life dementia
A new research paper published in the BMJ Open analysed studies looking at the association between mid-life anxiety, depression, and the development of dementia. The researchers from University College London (UCL) and the University of Southampton searched databases for published studies. While only four out of over 3500 studies met their criteria for inclusion this was equivalent to nearly 30000 people. They suggest that an abnormal stress response, experienced in moderate to severe anxiety, may increase brain cell ageing and degenerative changes in the central nervous system, so increasing vulnerability to dementia. For this reason they suggest that anxiety should be considered by doctors as a risk factor for dementia. Currently, it remains unclear if treatment for anxiety could potentially curb dementia (via UCL).
Objectives Anxiety is an increasingly recognised predictor of cognitive deterioration in older adults and in those with mild cognitive impairment. Often believed to be a prodromal feature of neurodegenerative disease, anxiety may also be an independent risk factor for dementia, operationally defined here as preceding dementia diagnosis by more than or equal to 10 years.
Design A systematic review of the literature on anxiety diagnosis and long-term risk for dementia was performed following published guidelines.
Setting and participants Medline, PsycINFO and Embase were searched for peer-reviewed journals until 8 March 2017. Publications reporting HR/OR for all-cause dementia based on clinical criteria from prospective cohort or case–control studies were selected. Included studies measured clinically significant anxiety in isolation or after controlling for symptoms of depression, and reported a mean interval between anxiety assessment and dementia diagnosis of at least 10 years. Methodological quality assessments were performed using the Newcastle-Ottawa Scale.
Outcome measure HR/OR for all-cause dementia.
Results Searches yielded 3510 articles, of which 4 (0.02%) were eligible. The studies had a combined sample size of 29 819, and all studies found a positive association between clinically significant anxiety and future dementia. Due to the heterogeneity between studies, a meta-analysis was not conducted.
Conclusions Clinically significant anxiety in midlife was associated with an increased risk of dementia over an interval of at least 10 years. These findings indicate that anxiety may be a risk factor for late-life dementia, excluding anxiety that is related to prodromal cognitive decline. With increasing focus on identifying modifiable risk factors for dementia, more high-quality prospective studies are required to clarify whether clinical anxiety is a risk factor for dementia, separate from a prodromal symptom.
Gimson A, Schlosser M, Huntley JD, et al | Support for midlife anxiety diagnosis as an independent risk factor for dementia: a systematic review| BMJ Open | 2018| 8|e019399| doi: 10.1136/bmjopen-2017-019399
iSPACE is helping surgeries improve support for patients with dementia and their carers | AHSN
iSPACE is a quality improvement and innovation programme delivered in GP surgeries in all parts of Hampshire, Dorset, Isle of Wight and south Wiltshire. The aim of iSPACE is to improve the pathway of patients with dementia and their carers through primary care.
The key to the spread of iSPACE is the engagement of staff teams and a recognition that people with dementia need a more personalised care plan and access to resources to help them and their carers to better manage the pathway.
Wessex Academic Health Science Network (AHSN) worked with Alzheimers charities, clinical commissioning groups (CCGs), Public Health England (PHE), Health Education England (HEE) and companies providing dementia services both within and outside the NHS to deliver this project. The AHSN delivered the project into 153 GP surgeries providing training, access to resources, meetings to encourage progress and physical resources such as funding for environmental changes and literature.
Patients reported feeling more supported by their surgery; carers reported a greater understanding of dementia from the surgery team and seeing the same clinician at each appointment. Dementia diagnosis rates increased (15.9% for people aged over 65), care planning increased by 26% for face to face reviews and 80% of surgeries now have a dementia noticeboard.
Helping a person with dementia to maintain a healthy diet can be difficult for the people caring for them. This leaflet aims to provide some positive tips on ways to help | Dementia UK
People with dementia may experience problems with eating and drinking.
There are many reasons this might happen. They might:
forget to eat
experience difficulties preparing food
have difficulty recognising food items
have a change in appetite or taste
Eating a healthy and balanced diet is important for a person’s physical and mental health. Not eating and drinking enough can increase the risk of dehydration, weight loss, a urinary tract infection and constipation. These health problems can be particularly problematic for someone with dementia as they can increase confusion and the risks of delirium, and sometimes make the symptoms of dementia worse.
This leaflet from Dementia UK provides useful tips on the following:
This new guideline from NICE aims to ensure that people with learning disabilities are given the help they need to access a range of services as they grow older, so they can live healthy and fulfilled lives. It covers identifying changing needs, planning for the future, and delivering services including health, social care and housing.
Study finds lower levels of cognitive function were linked to a higher risk of motor vehicle crashes | Journal of the American Geriatrics Society | via ScienceDaily
A team of researchers designed a study to learn more about cognitive health and older drivers’ crash risks. The study focused on links between levels of cognitive function and crash risk among older drivers without dementia. They also assessed the link between changes in cognitive function over time and later risks of crashes.
Researchers followed 2,615 participants for an average of 6.7 years, and looked at motor vehicle crashes involving participants. For older licensed drivers without dementia, lower levels of cognitive function were linked to a higher risk of motor vehicle crashes. Depression also was linked to a higher risk for crashes in older licensed drivers without dementia.
The researchers noted that, unfortunately, there is not yet a widely accepted specific clinical exam, procedure, or lab test that can evaluate driving and crash risk related to cognitive function. The researchers concluded that older drivers with lower levels of cognitive function were somewhat more likely to be involved in a crash.
The Opinion Research Service (ORS) has opened the Dementia 2020 Engagement Panel on behalf of the Department of Health.
The aim is to gain a better understanding of the experiences and needs of people living with dementia, in order to shape policies to better deliver the commitments of the Dementia 2020 Implementation Plan.
The two-year consultation focuses in particular on people who have received the diagnosis in the past two years (since January 2015), but those with a diagnosis of more than two years can also take part, as can carers.