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Practical information for aging health & family caregivers

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Cerebral Small Vessel Disease:
What to Know & What to Do

by Leslie Kernisan, MD MPH

Signs of cerebral small vessel disease. From Inzitari et al, BMJ. 2009 Jul 6;339:b2477. doi: 10.1136/bmj.b2477

This article is about the most common aging brain problem that you may have never heard of.

While leading a fall prevention workshop a few years ago, I mentioned that an older person’s walking and balance problems might well be related to the presence of “small vessel ischemic changes” in the brain, which are very common in aging adults.

This led to an immediate flurry of follow-up questions. What exactly are these changes, people wanted to know. Do they happen to every older adult? And how they can best help their parents with cognitive decline?

Well, they don’t happen to every older person, but they do happen to the vast majority of them.  In fact, one study of older adults aged 60-90 found that 95% of them showed signs of these changes on brain MRI.

In other words, if your older parent ever gets an MRI of the head, he or she will probably show some signs of these changes.

So this is a condition that older adults and families should know about. Furthermore, these changes have been associated with problems of consequence to older adults, including:

  • Cognitive decline,
  • Problems with walking or balance,
  • Strokes,
  • Vascular dementia.

Now, perhaps the best technical term for what I’m referring to is “cerebral small vessel disease.” But many other synonyms are used by the medical community — especially in radiology reports. They include:

  • Small vessel ischemic disease
  • White matter disease
  • Periventricular white matter changes
  • Perivascular chronic ischemic white matter disease of aging
  • Chronic microvascular changes, chronic microvascular ischemic changes
  • White matter hyperintensities
  • Age-related white matter changes
  • Leukoaraiosis

In this post, I will explain what all older adults and their families should know about this extremely common condition related to the brain health of older adults.

In particular, I’ll address the following frequently asked questions:

  • What is cerebral small vessel disease (SVD)?
  • What are the symptoms of cerebral SVD?
  • What causes cerebral SVD?
  • How can cerebral SVD be treated or prevented?
  • Should you request an MRI if you’re concerned about cerebral SVD?

I will also address what you can do, if you are concerned about cerebral SVD for yourself or an older loved one.

[Read more…]

Filed Under: Aging health, Geriatrics For Caregivers Blog, Helping Older Parents Articles Tagged With: alzheimer's, brain health, dementia, memory

How to Manage Sleep Problems in Dementia

by Leslie Kernisan, MD MPH 31 Comments

Sleep problems are common in Alzheimer’s and other dementias. They also commonly drive family caregivers crazy, because when your spouse or parent with Alzheimer’s doesn’t sleep well, this often means that you don’t sleep well.

To make matters even worse, not getting enough sleep can worsen the thinking or behavior of someone with dementia. Of course, this is true for those of us who don’t have Alzheimer’s as well: we all become more prone to irritation and emotional instability when we’re tired. Studies have also shown that even younger healthy people perform worse on cognitive tests when they are sleep-deprived.

Hence getting enough sleep is important, for people diagnosed with dementia, and for their hard-working caregivers. Now, sleep problems do often take a little effort to evaluate and improve. But as I explain below, research has found that it is often possible to improve sleep problems in dementia.

The key is to know what common causes to look for, and then come prepared to provide useful information to the doctor. In this article, I’ll cover:

  • Common causes of sleep problems in Alzheimer’s and other dementias,
  • How sleep issues should be evaluated
  • Proven approaches that help improve sleep in dementia
  • What to know about commonly tried medications for this problem

Common Causes of Sleep Changes and Problems in People with Dementia

[Read more…]

Filed Under: Aging health, Announcements, Geriatrics For Caregivers Blog, Helping Older Parents Articles Tagged With: alzheimer's, dementia, sleep

5 Types of Medication Used to Treat Difficult Dementia Behaviors

by Leslie Kernisan, MD MPH 186 Comments

medication for Alzheimer's behaviorOne of the greatest challenges, when it comes to Alzheimer’s disease and other dementias, is coping with difficult behaviors.

These are symptoms beyond the chronic memory/thinking problems that are the hallmark of dementia. They include problems like:

  • Delusions, paranoid behaviors, or irrational beliefs
  • Agitation (getting “amped up” or “revved up”) and/or aggressive behavior
  • Restless pacing or wandering
  • Disinhibited behaviors, which means saying or doing socially inappropriate things
  • Sleep disturbances

These are technically called “neuropsychiatric” symptoms, but regular people might refer to them as “acting crazy” symptoms. Or even “crazy-making” symptoms, as they do tend to drive family caregivers a bit nuts.

Because these behaviors are difficult and stressful for caregivers — and often for the person with dementia — people often ask if any medications can help.

The short answer is “Maybe.”

[Read more…]

Filed Under: Aging health, Geriatrics For Caregivers Blog, Helping Older Parents Articles Tagged With: alzheimer's, dementia, medication, paranoia

4 Medications FDA-Approved to Treat Alzheimer’s & Other Dementias:
How They Work & FAQs

by Leslie Kernisan, MD MPH 61 Comments

Medications for Alzheimer's DementiaIf someone in your family has been diagnosed with Alzheimer’s or another dementia, chances are that they’ve been prescribed one of the “memory medications.”

But were they told what to expect, and how to judge if the medication is worth continuing?

I’ve noticed that patients and families often aren’t told much about how well these medications generally work, and or how to determine if it’s likely to help in your situation.

So in this post, I’ll explain how the four medications in wide use work.  I’ll also address some of the frequently asked questions that I hear from older adults and families.

If someone in your family is taking one of these medications or considering them, this will help you better understand the medication and what questions you might want to ask the doctors. It’s especially important to understand the pros and cons if finances or medication costs are a concern.

Note: This article is about those drugs that have been studied and approved to treat the cognitive decline related to dementia. This is not the same as treating behavioral symptoms (technically called “neuropsychiatric” symptoms) related to dementia, such as paranoia, agitation, hallucinations, aggression, sleep disturbances, wandering, and so forth. There are no drugs FDA-approved to treat the behavioral problems of dementia. The off-label use of psychiatric medications, such as Seroquel, in dementia is covered here: 5 Types of Medication Used to Treat Difficult Dementia Behaviors.)

Worried about the safety of a loved one with memory loss? I explain how to address driving and other safety issues here:  How to Help Your Parent with Memory Loss Be Safer (Even if They’re Resisting).

4 Medications FDA-Approved to Treat Dementia

FDA-approved medications to treat Alzheimer’s and related dementias basically fall into two categories: [Read more…]

Filed Under: Aging health, Geriatrics For Caregivers Blog, Helping Older Parents Articles Tagged With: alzheimer's, dementia, medications, memory

How We Diagnose Dementia: The Practical Basics to Know

by Leslie Kernisan, MD MPH 108 Comments

Dementia concept“Doctor, do you diagnose dementia? Because I need someone who can diagnose dementia.”

A man asked me this question recently. He explained that his 86 year-old father, who lived in the Bay Area, had recently been widowed. Since then the father had sold his long-time home rather quickly, and was hardly returning his son’s calls.

The son wanted to know if I could make a housecall. Specifically, he wanted to know if his father has dementia, such as Alzheimer’s disease.

This is a reasonable concern to have, given the circumstances.

However, it’s not very likely that I — or any clinician — will be able to definitely diagnose dementia based a single in-person visit.

But I get this kind of request fairly frequently. So in this post I want to share what I often find myself explaining to families: the basics of clinical dementia diagnosis, what kind of information I’ll need to obtain, and how long the process can take.

Now, note that this post is not about the comprehensive approach used in multi-disciplinary memory clinics. Those clinics have extra time and staff, and are designed to provide an extra-detailed evaluation. This is especially useful for unusual cases, such as cognitive problems in people who are relatively young.

Instead, in this post I’ll be describing the pragmatic approach that I use in my clinical practice. It is adapted to real-world constraints, meaning it can be used in a primary care setting. (Although like many aspects of geriatrics, it’s challenging to fit this into a 15 minute visit.)

Does this older person have dementia, such as Alzheimer’s disease? To understand how I go about answering the question, let’s start by reviewing the basics of what it means to have dementia.

5 Key Features of Dementia

A person having dementia means that all five of the following statements are true: [Read more…]

Filed Under: Aging health, Geriatrics For Caregivers Blog, Helping Older Parents Articles Tagged With: alzheimer's, dementia

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