Showing posts with label Caregivers. Show all posts
Showing posts with label Caregivers. Show all posts

Tuesday, December 15, 2020

Researchers Find New Method to Measure Cognitive Impairment, Dementia

This article, " Health-Deficit Accumulation Affects Risk for Mild Cognitive Impairment, Dementia," was originally published in NeurologyLive.

Using a frailty index score could enable clinicians to identify patients at risk for cognitive dysfunction, making it an important marker for prognostic value.

Newly published data suggests health-deficit accumulation, specifically among older Americans, affects the likelihood of progressive cognitive impairment, as well as the likelihood of cognitive improvement independent of the APOE ε4 allele.

Lead author David D. Ward, PhD, postdoctoral fellow, geriatric medicine research, Centre for Health Care of the Elderly, Nova Scotia Healthy Authority, and colleagues calculated a frailty index score using the deficit-accumulation approach in participants aged 50 years and older from the National Alzheimer’s Coordinating Center (NACC).

Among those not cognitively impaired (NCI; n = 9773), each 0.1 increment increase in score were associated with a higher risk of developing mild cognitive impairment (MCI) and a higher risk of developing dementia.

In total, there were 14,490 participants in the study with a mean age of 72.2 years. In the MCI subsample (n = 4717) at baseline, there was a higher degree of frailty that was associated with a lower probability of being reclassified as NCI from MCI, a higher risk of returning to MCI in those who were reclassified as NCI, and a higher risk of progressing to dementia.

"We conclude that frailty is a key risk factor for age-related cognitive dysfunction and dementia, representing both a target for interventions aimed at the prevention of age-related cognitive impairment and possible prognostic marker among those who have MCI,” the authors wrote.

The score is a health-state measure, incorporating information from multiple physiological systems, and closely reflects an individual’s risk for adverse health events and mortality independently of chronological age. A higher frailty index score indicated accumulation of more age-related health deficits while approximating biological age.

The researchers aimed to detail the dynamic nature of cognitive functioning by calculating the likelihood of transitions between cognitive states in both directions over a 12-month period. Decline of cognitive function was considered forward transition, whereas improvement of cognitive functioning was defined as backwards transition.

The investigators also assessed whether frailty index score and APOE ε4 allele carrier status exerted independent or interactive effects on cognitive-state transition probabilities.

They found no statistically significant interactions between these variables for any transition in the NCI subsample. However, in the MCI subsample, the association of the frailty index score and the risk of progressing to dementia was significantly weaker in those carrying an APOE ε4 allele than in non-carriers (interaction hazard risk [HR], 0.88; 95% CI, 0.80–0.97).

There were no meaningful differences in these associations when participants whose race was other than white were removed from the analytical sample. Notably, associations of the frailty index score with transition probabilities did not differ significantly between men and women.

Over 12 months, NCI subsample participants maintained their prior state 43,086 times (90.6%) and transitioned between states 4491 times (9.4%), 3086 (68.7%) of which were transitions between cognitive states, with 1405 (31.3%) transitions to death. Of the cognitive-state transitions in the NCI subsample, 80.9% were forward transitions, and 19.1% were backward transitions. In the MCI subsample, 70.5% were forward compared to 29.5% who experienced backwards transition.

"This work supports an emerging conceptualization of late-onset dementia as a complex outcome of aging that often is intimately related to an individual’s general health, as well as genetic risk factors,” the authors wrote.

Friday, December 11, 2020

Particulate Matter Increases Future Risk of Alzheimer Disease

Progressive brain atrophy known to be predictive of Alzheimer disease (AD) is linked to late-life exposure to particulate matter with aerodynamic diameters <2.5-μm (PM2.5), according to new research.

Longitudinal analyses showed that for each interquartile range (IQR) increase (IQR, 2.82- μg/m3) of PM2.5, the associated risk of developing AD increased by 24% (hazard ratio [HR], 1.24; 95% CI, 1.14–1.34) over a 5-year period, as assessed by increased AD pattern similarity (AD-PS) scores. This association remained within levels of PM2.5 below US regulatory standards (<12-μg/m3).

Principal author Diana Younan, PhD, research associate, University of Southern California, stated in a related release that the “findings have important public health implications because not only did we find brain shrinkage in women exposed to the highest levels of PM2.5 pollution but we also found it in women exposed to levels lower than those that the EPA considers safe.”

Younan and colleagues investigated data from 1365 women free of dementia with a mean age of 77.9 years (standard deviation [SD], 2.7) that participated in the WHIMS Magnetic Resonance Imaging (WHIMS MRI) study.

MRI data at baseline and after 5 years was investigated. AD-PS scores—which have been shown to be associated with known risk factors of AD and poor cognitive function—were developed by a supervised machine learning algorithm by comparison of MRI data from the AD Neuroimaging Initiative of gray matter atrophy in areas vulnerable to AD such as the amygdala, hippocampus, thalamus, midbrain, parahippocampal gyrus, and inferior temporal lobe areas.

In longitudinal analysis, IQR-increments were significantly associated with a 0.031 (β = 0.031; 95% CI, 0.017–0.046) increase in AD-PS score.

In fully adjusted models the association was 0.026 (95% CI, 0.009–0.043), which correlates to the 24% increase of AD risk. This association remained after adjusting for socio-demographics, lifestyle, and clinical characteristics including cerebrovascular factors such as white matter lesion volume and stroke, challenging previous studies that have proposed a cerebrovascular mechanism of PM2.5 damage leading to brain atrophy.

Instead, Younan and colleagues favor the theorized mechanism that PM2.5 directly contributes to the neurodegenerative process of dementia via a neurotoxic effect on brain structure.

Sensitivity analyses confirmed the positive association between PM2.5 and AD-PS score after adjusting for baseline AD-PS scores. No association was seen between PM2.5 and baseline AD-PS score in cross sectional analyses (β = –0.004; 95% CI, –0.019 to 0.011).

Previous analyses of WHIMS MRI include region-of-interest analyses that showed residence in areas with higher PM2.5 was associated with smaller total brain and white matter volumes, and that residing in places with >12-μg/m3 concentrations of PM2.5 increased the risk of global cognitive decline by 81% and all-cause dementia by 92%.

Younan and colleagues call for future studies “to fully investigate whether the neurodegenerative effects of late-life exposures to airborne particles may be contributed by or independent of cerebrovascular damage before or during late life...to replicate these results and to thoroughly explore other measures of cerebrovascular damage that may not be captured by white matter lesions and were not explored in our study (e.g., microbleeds; lacunar infarcts).”


Friday, November 6, 2015

Dementia Poses Unique Intimacy Challenges for Caregiver Spouses

There's nothing easy about taking care of a partner or spouse with dementia.
  But one of the most often overlooked challenges facing caregivers who have romantic relationships with an elder suffering from Alzheimer's or another form of dementia, is how to deal with a forever altered intimate life.   "For couples dealing with dementia, there are so many losses," says Ruth Drew, Director of Family and Information Services for the Alzheimer's Association. "There's the loss of the life they had,  the loss of the life they expected to have and the loss of partnership with a husband or wife."Memory-robbing illnesses are riddled with these and other losses, but one aspect that remains intact, despite a person's flagging cognitive abilities, is the need for intimacy, both physical and emotional. According to Robin Dessel, Director of Memory and Vision Care and sexual rights educator for Hebrew Home at Riverdale, the older a person gets, the more they need human affection. "There's no less want or need for camaraderie, intimacy and touch as we age," she says, adding that, "loneliness is one of the foremost reasons of depression in the elderly."  The end result is that both caregivers and their loved ones are left trying to figure out how to balance their respective desires for connection and affection with a relationship that is constantly being altered by a progressive disease.

 How memory loss affects sexual behavior

Dementia can have a wide-ranging impact on a person's views, reactions and behavior when it comes to sex and intimacy.   An individual's inhibitions may become lowered, causing them to say or do things that are uncharacteristically crude and vulgar. This can be very startling and off-putting for friends and family who are used to interacting with people who adhere to society's unspoken sexual mores.  Memory loss may also cause a person to become stuck in another time period. With Alzheimer's in particular, short-term memories are one of the first things to go. This means that a sufferer may still view themselves and their partner as being young; they won't be able to recognize their face in the mirror or the person next to them in bed. This can cause extreme anxiety and confusion, and may make intimacy nearly impossible. 

When a life partner no longer remembers a life-long relationship

A person with dementia may sometimes forget the decades-long relationship they shared with their caregiver partner.   It's not unheard of for a memory-impaired individual living in long-term care to seek solace in the arms of someone they met at their facility—even while they are technically still married or in a relationship with their life partner. It's a more common occurrence than one would like to think, according to Drew. 

But how can a caregiving spouse cope when their partner appears to turn their back on the love they shared for decades in favor of a newly-minted relationship with someone they just met?  First and foremost, Dessel urges family members to try not to view such couplings as a betrayal. A directive she freely admits is easier given than carried out. It may take months—even years—to adopt this type of pragmatic perspective. 

Perhaps the most well-known example of this selfless gesture is former Supreme Court Justice Sandra Day O'Connor who, after learning that her Alzheimer's-stricken husband had formed an intimate relationship with a woman in his long-term care facility, gave the couple her blessing."Mom was thrilled that Dad was relaxed and happy and comfortable living here," said O'Conner's son, Scott in a 2007 interview with KPNX-Channel 12, a news station in Phoenix, Arizona.  The key is to approach the issue with an open, and loving, heart and mind and a thorough understanding of how dementia can alter a person's sense of reality. 

Coping with complicated issues by living in the now 

Human beings can only live in the present moment.   For people suffering from dementia, that present moment is often altered. They may not remember the past relationship they shared with their caregiver spouse, all they know is how their new paramour makes them feel.  "It isn't an act of malice," says Dessel of cognitively impaired individuals who seek new relationships. "For the people in the relationship, it's real-time. They are being monogamous and bringing one another pleasure and comfort."  

Dementia often dumps extreme amounts of anxiety and frustration onto the heads of its victims. Pleasure and comfort are two things that people with the disease desperately need, but often lack. That's why, as challenging as it is, caregivers and other family members should view acceptance of such unconventional couplings as an act of love.  "Sometimes, loving someone else means not being selfish with your love," says Dessel. "If I had a loved one stuck in the throes of that reality, I would want to know that there was something that brought them happiness." 

Sources of support for a caregiving spouse

One of caregiving's most dangerous myths is that people taking care of elderly loved ones are alone in their struggles. This misconception adds to the pain and isolation felt by family caregivers dealing with difficult issues, such as the one surrounding dementia and sex. When caring for an ailing partner Drew points out that every situation is unique and there are no "cookie cutter answers." Nothing will make the process totally pain-free, for the caregiver, or the person suffering from dementia.  There are, however, common themes and experiences that can be shared from caregiver to caregiver.

Reading about a fellow caregiving spouse's experience may give you an idea of how to better handle your unique situation.  When grieving the disintegration of an intimate relationship with a dementia-stricken loved one, Drew says it's essential to keep in mind that your feelings are both normal and natural. The best way to get through them is to find safe havens where you can share your emotions and talk them through with other understanding individuals.


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Sunday, November 1, 2015

The Emotional Costs of Caregiving

 
JanetandDad
 
For the more than 40 million Americans now caring for elderly family members, the word “stress” takes on a whole new meaning. While for most of us stress comes in the form of work, financial, or time pressures that come and go in waves, for family caregivers stress is unrelenting and inescapable. That’s the picture that emerges from a survey of caregivers conducted by Caring.com in July, 2015. According to these data, four out of ten caregivers spend more than 30 hours a week on caregiving tasks, and caregivers are shouldering a wide range of responsibilities for aging loved ones, from shopping and cooking to bathing and dressing. It’s an enormous job, and one that comes at a high cost, affecting caregivers’ personal lives, emotionally, socially, and financially.


These impacts include:


1. Emotional Stress
Fear, anxiety, and guilt are a caregiver’s constant companions, says Ann Cason, a geriatric care manager in Portland, Oregon. “You’re spending an enormous amount of emotional energy all the time worrying,” says Cason. And long-distance caregivers don’t have it any easier than those who are just a quick drive away. “No matter what’s going on, you visualize that your parent is having a hard time, and you feel guilty that you’re not there,” Cason says. “And if you’re flying back and forth all the time, that’s disruptive and stressful, too.” What takes the biggest, toll, Cason says, is the feeling of not being in control. “It’s a feeling of helplessness – anything can happen and you have to be ready.” For those providing live-in care, the pressure of having to be on-call all the time can be overwhelming, Cason says. “It’s claustrophobic.”


2. The Stress of Never-Enough-Time
“I never feel like I’m able to give Mom enough time and attention,” says Liz Joyce of Hummelstown, Pennsylvania, who cares for her 80-year-old mother. Like many other caregivers, Liz has children (she’s a mother of four!) and feels torn between the needs of both generations. For example, she says, “Don’t ever try to take an 80-year-old with a walker to the grocery store while babysitting an infant. First of all, you can't fit a stroller and a walker in the car at the same time, and second of all, nobody's happy after about 10 minutes.” The constant juggling act leaves her feeling like she’s always neglecting somebody or something, Liz says.


“My life came to a screeching halt when Mom moved in,” says Camilla White of Huntsville, Alabama, who moved her mother, Lillian, into her home when dementia and a series of falls made it unsafe for Lillian to remain in the family home. A peek into Camilla’s daily schedule paints a daunting picture of what it takes to juggle caregiving while holding a full-time job. “I got up at 4 a.m. to get ready, then I had to wake mom up at 5 and help her get dressed,” Camilla says. “I’d have breakfast on the table by 5:30, then get her in the car and take her to the Alzheimer’s Center so I could be at work by 8 a.m. I had to pick her up by 4:30, but I couldn’t always get there, so I’d have to ask the girls from the Center to take her home and sit with her until I could be there.”


Camilla’s only break from caregiving was a couple of hours on Saturday mornings, when she had an in-home caregiver come in so she could take an exercise class. Her social life? Nonexistent. “It was a very regimented life, and it showed. People at work would look at me and say `You’re looking rough.’ It took its toll,” Camilla says. Eventually it became clear that a better situation had to be found, and Lillian moved into an assisted living community. “I’m still there for her, but I can get my life back together,” Camilla says.


Camilla & Mother


3. Family Conflicts While we’d like to think parents are always grateful for the care their adult children provide, that’s not always the case, which can lead to conflict. For example, caregivers may become concerned that a parent’s living situation isn’t safe, while a parent insists everything’s fine. “Children are always worried about their parents’ safety and the parents are always worried about preserving their independence,” says Cason. The resulting tug-of-war isn’t always pleasant.


Even more commonly, sibling relationships become strained by caregiving, particularly over differing perspectives on what parents need. “If the siblings aren’t involved, they think that if mom or dad is in a senior living facility, then there’s nothing to do,” says Janet Gruber of Florida, who cares for her 89-year-old father, Delbert. “It’s an emotional roller coaster for the family, especially if the siblings aren’t in accordance or aren’t helping at the same rate.”


4. Financial Stress Finances are a leading cause of stress for Americans today, and that stress is multiplied for caregivers. Half of respondents to this year’s survey reported spending more than $5,000 on caregiving expenses in the past year. For a significant number of families, caregiving expenses run sky high. Almost 10 percent of the caregivers surveyed were spending more than $50,000 a year to care for a loved one, while another 12 percent were spending between $20,000 and $50,000. Over time, many families exhaust their resources. “Financially we’re about at rock bottom right now,” says Florida retiree Janet Gruber, 67. “I may have to quit work and bring Dad home, but then I worry about what happens to Dad if something happens to me and my husband.”


5. Health issues
All this stress can put an enormous strain on caregivers’ health. Many Caring.com survey respondents report experiencing medical problems that may be exacerbated by stress, including high blood pressure, depression, arthritis, and other types of chronic pain. Almost 40 percent of those surveyed reported suffering from sleep problems. And many feel that the stress of caring an elderly parent, spouse or other loved one is causing them to age faster themselves.


6. Living Arrangements Play a Role in Caregiver Stress Whether an aging parent lives with an adult child, independently, or in a senior living community plays a significant role in the amount of physical and emotional stress caregivers experience, Caring.com’s survey found. In the15 percent of families surveyed in which the parent continues to live in their own home, 38 percent of caregivers worried about the safety and health of their loved ones, and 27 percent were concerned about the burden of supporting the parent’s independence on other family members. Only a quarter of these seniors were able to live without some form of in-home care, often at significant cost to the family. In terms of satisfaction, only 24 percent of families were happy with this situation, while a third were dissatisfied.


More than 60 percent of the caregivers surveyed had a parent living with them, and in these families stresses were particularly high. Only 23 percent of those caring for an elderly parent in the home were satisfied with their situation, while 44 percent were unhappy. Perhaps not surprisingly, caregivers whose loved ones lived in a senior living community felt most at ease, particularly because they were saved from the constant worry that their parent was lonely or in danger.


Liz Joyce is still haunted by the memory of how her mother suffered a stroke while living by herself 25 miles away. “It was a nightmare realizing that something was amiss and racing out to her apartment to find her in the middle of a stroke, and it was terrifying for her, too,” Joyce says. “I worry SO much less about falls, about people taking advantage of her (or worse), and about her social opportunities.”



If there’s one constant that caregivers can count on as their loved ones age, it’s change, as caregivers are called on over and over to meet their parents’ evolving needs. And overcoming those ever-increasing challenges takes a high toll in stress, fatigue, and personal sacrifice, as evidenced by Caring.com’s 2015 survey results. Today’s family caregivers bring enormous dedication and creativity to the job of helping their loved ones age safely and in good health, but they need help. The hope is that as the number of Americans caring for an elderly loved one rises, the resources available to support those caregivers grow, too.

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Friday, April 17, 2015

Caregiving is All about Love

 

 
 

 


In a comment on my recent post about Charlie's lack of emotional response to tragedy, someone felt I resented my husband for his inability to show compassion. That is far from the truth. I was merely bringing to other caregivers' attention the fact that this is just one more side of what happens to a person with dementia.
 
If your loved one is in the early stages of one of the mind-altering diseases, a lack of empathy is just one more thing that is probably in your future as a caregiver.
 
Actually, by a week after my daughter's fire, Charlie finally was able to listen to talk of the recovery and realize that something very serious had happened. He even was able to suggest that we should make a generous donation to the recovery fund that had been established. Now that's the Charlie I fell in love with.
 
But it took a whole week of talk about the fire before it became a reality to him. How long he will remain cognizant of the circumstances is questionable. Next week, he may not have any recollection that it occurred, or he may again suggest that we make a donation, not recalling that we already did that. That's the way of the disease.
 
I try not to be angry and disappointed by the things he doesn't recall or the things that no longer matter to him. I have to keep reminding myself of the man he used to be—the man he would be today if ischemic attacks had not affected his brain function. It isn't always easy, but it was what I signed on for when I said "in sickness and in health." If the situation was reversed, I know Charlie would be caring for me with everything he had to give.
 
Even now, if I am having a bad IBS day or my joints are aching, he is always ready and willing to wait on me, encourage me to "order out" or take a nap. The least I can do is keep any resentment I may feel for his inability to show emotion or his lack of memory under control.
 
By writing about the problems that occur on a daily basis I hope I can help another caregivers to feel they are not alone, and perhaps even give them a laugh at some of the craziness that goes on in the life of a caregiver. It helps me to stay positive and lighten up the situation in which I find myself.
 
Do I resent Charlie? Never. Do I get frustrated? Of course. But I will continue to care for him as long as I am physically and mentally able. That's what love is about. That's what caregiving is about.
 

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