Alzheimer's & Mental Health News for Senior Citizens

Alzheimer's & Mental Health News

Mild memory and thinking issues: What helps, what doesn't? Experts weigh the evidence

New guide based on comprehensive review of recent studies may help you navigate mild cognitive impairment – links to the latest research below report

woman working puzzle to exercise her brainOct. 1, 2015 - For up to one in five American senior citizens – those age 65 and older - aging brings memory and thinking problems - along with the embarrassment of not being as "sharp" as we once were, and the frantic worry that it will get much worse.

They might just call it "getting older". But officially, when memory or cognitive problems don't interfere significantly with daily living, doctors call them "mild cognitive impairment," or MCI.

What can be done to prevent or slow MCI? And how much should seniors fear that their thinking or memory problems will get much worse?

A pair of doctors from the University of Michigan Medical School and VA Ann Arbor Healthcare System have put together a definitive look at the evidence, based on a thorough review of recent studies about MCI.

Published in this week's issue of the Journal of the American Medical Association, their review article should help doctors and the seniors they treat.

"MCI is hard for both clinicians and for patients and their families, because it's a scary prospect - and because there's still a lot we don't know about this condition," says Kenneth Langa, M.D., Ph.D., who co-authored the article with U-M and VA colleague Deborah Levine, M.D., MPH.

 

"We still don't have great answers to give patients and families, but the medical literature shows there are certainly factors that can influence the risk, severity, and progression of MCI. We hope this review will spread awareness of those, and help guide patient care."

"While no medications have been proven to treat MCI successfully," says Levine, "it's still a treatable condition. Our review shows good evidence that aerobic exercise, mental activity, social engagement, and stroke prevention help reduce the risk of further cognitive decline."

She notes that the review of medical literature they conducted paid close attention to the quality of the evidence in each study.

Among the key findings of their review, and what they mean for senior citizens

         Speak up to your doctor about memory and thinking problems: The new paper offers doctors a step-by-step guide for what to do when a patient or his or her caregiver mentions concerns about memory and thinking problems.

Specific lab tests for things like vitamin deficiencies, standard cognitive tests and a full physical and neurological exam can reveal important clues to factors that might be causing their symptoms.

         Keep body and brain active: A number of studies have indicated that aerobic exercise and mental activities can have a small beneficial effect on thinking ability in older adults with MCI.

         Keeping a stroke at bay helps the brain too: Since strokes are brain injuries caused by clots or holes in the blood vessels that keep brain tissue healthy, it makes sense that preventing a stroke can preserve memory and thinking ability.

People who have had mini-strokes or survived a full-blown stroke should especially focus on preventing new strokes to keep their brain function as intact as possible as they age, Langa and Levine advise based on the evidence they reviewed. So should people diagnosed with MCI. Having a stroke can worsen cognition and raises the risk of progressing on to dementia.

Stroke prevention strategies include controlling high blood pressure, stopping smoking, lowering cholesterol with drugs called statins and taking aspirin or other medicines to prevent blood clots.

         Multiple medicines can fog the brain: Many seniors have prescriptions for a number of medications, and take over-the-counter drugs and supplements, to address their various health risks and conditions.

These may have been prescribed or recommended by different doctors - who don't always know or ask what else a patient is taking. But, say Langa and Levine, studies show that multiple drugs can interact with one another and affect memory and thinking.

Doctors and seniors should review all drugs and supplements and see if any interactions can be prevented by reducing the number of medications the patient takes, or stopping drugs that aren't needed after a hospital stay.

         Avoid over-treatment of high blood pressure and diabetes: While it is important to control blood pressure and diabetes to prevent harmful consequences, doctors need to be careful not to overdo it.

"It is important to avoid overtreatment of high blood pressure and diabetes because low blood pressure and low blood sugar may increase the risk of cognitive decline and other patient harms," says Langa.

         What are the odds?: That's the key question in the mind of anyone with suspected or diagnosed MCI - how likely are they to get worse and progress to dementia and not be able to function independently. Reassuringly, Levine says, the evidence available shows that progression from MCI is far from a sure thing.

"The numbers are less scary than many people believe," she notes. "The majority of people with MCI will not progress to dementia and loss of independence, even after 10 years. Some patients with MCI will actually have improved cognition after a year or two, if their cognitive test scores were brought down by an acute illness that gets addressed."

Older adults with MCI are 12 times more likely to die from cardiovascular disease than to die of dementia. So, preventing stroke and heart attack by controlling vascular risk factors is crucial for people diagnosed with MCI.

         More evidence needed for a number of new detection/treatment options: The review of the literature showed that a number of new blood tests and brain imaging options have been proposed and preliminarily tested for diagnosing MCI, and tracking or predicting its progression to dementia.

But many of these tests haven't yet been proven to offer significant benefit to patients, says Langa. And in fact, there can be some risk of "over-diagnosis" when a test identifies a problem that would not go on to cause significant problems for a patient.

In the end, he says, MCI can be a complicated issue, and that can make it even scarier for patients and their families.

More research is needed on the factors that put someone at increased risk of MCI, new options for treating it, and better research on what the risk of progression to dementia is. But until new findings are available, this new review should help doctors and patients alike.

Both Langa and Levine are faculty members in the Division of General Medicine at the U-M Medical School, and members of the U-M institute for Healthcare Policy and Innovation. Langa also holds positions in the U-M Institute for Social Research and School of Public Health. Levine has a joint appointment in the U-M Department of Neurology. The review article is part of the Care of the Aging Parent series, funded by the SCAN Foundation.

Links below to more research reported in the last year on Mild Cognitive Impairment

Measuring brain atrophy in patients with mild cognitive impairment | EurekAlert! Science ..
Aug. 14, 2015... brain atrophy in patients with mild cognitive impairment ... in predicting the progression from mild cognitive impairment (MCI) to Alzheimer's disease ... Mild cognitive impairment (MCI) is considered a transitional ...


Coffee consumption habits impact the risk of mild cognitive impairment
July 28, 2015... habits impact the risk of mild cognitive impairment ... consumption and the incidence of mild cognitive impairment (MCI), evaluating 1,445 individuals ... Mild cognitive impairment (MCI) is considered a prodromal ...


New study indicates ankle-brachial index associated with mild cognitive impairment
July 22, 2015 ... ankle-brachial index associated with mild cognitive impairment ... in Germany, researchers found that mild cognitive impairment (MCI) occurred significantly more often ... ankle-brachial index associated with mild cognitive impairment ...


Researchers at Einstein and Montefiore present at Alzheimer's Association International ..
July 21, 2015... risk factors for developing amnestic mild cognitive impairment (aMCI)--a condition characterized by ... potential new interventions to support cognitive function. " ... Status and Risk of Amnestic Mild Cognitive Impairment (aMCI): Results from the EAS ...


Diabetes and depression predict dementia risk in people with slowing minds
Feb. 20, 2015... People with mild cognitive impairment are at higher risk of ... People with mild cognitive impairment are at higher risk of ... Mild cognitive impairment (MCI) is a state between ...


A virtual reality brain training game can detect mild cognitive impairment
Jan. 21, 2015... brain training game can detect mild cognitive impairment ... brain training game can detect mild cognitive impairment (MCI). view more ... screening tool for patients with mild cognitive impairment (MCI) among a sample of ...


Insulin nasal spray shows promise as treatment for adults with dementia and Alzheimer's
Jan. 8, 2015... mental capabilities in adults with mild cognitive impairment and Alzheimer's disease dementia ... 60 adults diagnosed with amnesic mild cognitive impairment (MCI) or mild to moderate Alzheimer's dementia ... treatment for people diagnosed with mild cognitive impairment and Alzheimer's-related dementia ...

Related Alzheimer's & Mental Health News - Senior Journal Archives

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Are many seniors too quick to blame memory loss on dementias - July 13, 2015

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