Average Lifespan After Alzheimer’s Diagnosis

Care In The Later Stages Of Dementia

There are medicines used in the early stages of dementia that manage some of the behavioural symptoms. In the later stages some of these medicines can do more harm than good causing severe side effects that can increase confusion and frailty. It also becomes harder to diagnose and manage some of the normal illnesses that older people get such as Urinary Tract Infections . UTIs can exaggerate some symptoms of dementia and increase confusion sometimes know as delirium.

Pain is also something that can be present in the later stages of dementia, but can be harder to diagnose if the person isnt able to communicate it. For all of these reasons, its important to stay vigilant when looking after someone with dementia, and to talk to the GP if you are worried about anything.

There are dementia living aids and products that can help you to care for someone living with dementia. Something like a simple dementia clock or personal alarm can make the world of difference to your life and the live of the person you care for.

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Stages Of Dementia Life Expectancy

Read our guide on the types of Power of Attorney and how to set up a Lasting Power of Attorney.

What To Do Next After Learning What Stage Of Alzheimer’s Disease Your Loved One Is In

As mentioned, learning about the stage of Alzheimers disease that a loved one is experiencing helps provide perspective and context. This knowledge makes it easier to have conversations with doctors about the patients condition and how to approach future treatment options. Understanding the later stages of the disease also helps when planning for lifestyle changes, new equipment, and other items that may be needed. One of the other major benefits in understanding the overall progression of Alzheimers disease is preparing for future living arrangements, such a memory care community, that could become a preferred option during later stages of the disease. Because the cost of dementia care is high, families should begin planning as soon as possible following a diagnosis.

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Life Expectancy After An Alzheimers Disease Diagnosis

James M. Ellison, MD, MPH

Swank Center for Memory Care and Geriatric Consultation, ChristianaCare

Learn about the many factors that affect average life expectancy after a diagnosis of Alzheimers disease.

Genevieve* asked if she could speak privately with me after her mothers evaluation session and diagnosis of Alzheimers disease. I didnt want to ask this in front of her, she said, but my brother and I want to knowhow much time does she have left? Life expectancy after a diagnosis of Alzheimers disease, while uncomfortable to discuss, can be important information for patients and families to have. Ill describe what we know about this topic, and some of the factors that affect survival with and without dementia. Please bear in mind that this information is based on statistical averages, and there can be individual variations in the disease and a person’s resilience to it.

*The name and details were changed to protect privacy.

The most honest answer to Genevieves question may be, It depends. After a diagnosis of Alzheimers disease or another dementia, people can live for months to years, depending on individual circumstances. Its been shown that factors like age, race, genetics, health background, socioeconomic status, and education influence the life expectancy of large numbers of people with Alzheimers. However, every individuals disease is different, and may not follow the average course.

What Causes Alzheimer’s Disease To Progress So Quickly

The progression of Alzheimers disease varies widely between individuals, with most people living with the condition for between 3 and 11 years after the initial diagnosis. In some cases, people may survive for more than 20 years. When Alzheimers is detected early, there are possible treatments that can help to slow the progression of the disease and contribute to a longer life expectancy.

It is therefore crucial to plan for the future and follow the progression of the disease through each stage. Alzheimers disease first begins with physical changes in the brain. This can happen at a gradual pace before any noticeable symptoms appear. In fact, this pre-clinical Alzheimers disease stage can begin 10 to 15 years before any symptoms appear.

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Variables Impacting Life Expectancy Calculations

Gender. Men dont live as long with Alzheimers as women. A study of more than 500 people diagnosed with Alzheimers disease between 1987 and 1996 found that women with Alzheimers live, on average, 20% longer than men. Age. Someone diagnosed at 65 lives an average of about eight years, while someone over 90 who gets a diagnosis typically lives about three-and-a-half more years. Strength of Symptoms at Diagnosis. If someone is showing especially severe dementia-related problems at the time of diagnosis, this usually leads to an earlier death. Someone who wanders, is prone to falling, and experiences urinary incontinence , will typically not live as long. A lower mini-mental state examination score at the time of diagnosis will also not live as long. Other Health Problems. A person with a history of heart problems or asthma or diabetes, for example, will not live as long as someone without those underlying issues.

What Does Age Have To Do With It

The age you are diagnosed with AD may have the greatest impact on your life expectancy. The earlier you are diagnosed, the longer you may live. Researchers at Johns Hopkins School of Public Health have discovered that the average survival time for people diagnosed at age 65 is 8.3 years. The average life expectancy for people diagnosed at age 90 is 3.4 years.

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Life Expectancy And Frontotemporal Dementia

Frontotemporal dementia or Picks disease is characterised by progressive damage in the frontal and temporal lobes in the brain. This leads to personality changes, impulsiveness and problems with speech and language. Although it can affect the elderly, it is often diagnosed in younger people, between forty-five and sixty-five.

The average life span is around eight years from the time when symptoms first started, but there can be dramatic differences between individuals. Distressingly, young-onset dementia appears to progress more quickly. Someone who is diagnosed with the condition between the ages of thirty and fifty may live for two years less than someone who is diagnosed later in life.

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Certain medications can also affect memory. A lack of sleep and an impaired thyroid function can negatively affect memory. Some of these conditions can also lead to a decreased ability to remember events. In addition to these, natural aging can affect brain function, and may lead to a slowdown in memory. Although this symptom does not necessarily mean that youre losing your memory, it could indicate a problem with your cognitive ability. If you are suffering from either, a medical evaluation is necessary to determine if youre suffering from memory loss. Average Lifespan After Dementia Diagnosis

In addition to aging, medications can affect memory. Certain antidepressants, anxiety medications, and sleep disorders can all affect memory. A persons mental health can also contribute to memory problems. In some cases, a persons mental state may be affected by the medication they are taking. Some untreated medical conditions can lead to deterioration of the brain and affect the ability to learn and remember. It is also important to see a medical professional if your symptoms persist even after youve stopped taking certain medications.

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How Long Will You Live After A Dementia Diagnosis

Its sad but true that people with dementia usually have shorter lives. However, exactly how much shorter their life will vary enormously from person to person. Heres the key information about life expectancy, but remember, these are only general statistics so think carefully about whether you want to know before you read on.

Life Expectancy And Vascular Dementia

Repeated small strokes can damage the brain and cause vascular dementia. Its the second most common cause of the disease. The pattern of disease progression is different from the gradual deterioration of Alzheimers disease. The symptoms may be steady for a while, then suddenly get worse followed by a further period of stability. This reflects times when blood clots interrupt the blood supply to the brain, causing damage.

Because people with vascular dementia is linked to strokes, people affected often have other illnesses and may have worse general health. Research suggests that the average life expectancy is around four years. However, sudden or severe deterioration can happen when there is a further stroke.

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Utsw Study Finds Cognitive Decline Key Factor In Predicting Life Expectancy In Alzheimers Disease

The research, based on national data from autopsy-confirmed cases, could lead to better planning for patients and their families

DALLAS March 14, 2022 Cognitive decline is the biggest factor in determining how long patients with Alzheimers disease will live after being diagnosed, according to a new study from researchers at UT Southwestern. The findings, published in the Journal of Alzheimers Disease, are a first step that could help health care providers provide reliable prediction and planning assistance for patients with Alzheimers disease and their families.

Using a National Alzheimers Coordinating Center dataset on 764 autopsy-confirmed cases, C. Munro Cullum, Ph.D., Professor of Psychiatry, Neurology, and Neurological Surgery, and first author Jeffrey Schaffert, Ph.D., a postdoctoral fellow in clinical neuropsychology at UT Southwestern, identified seven factors that helped predict life expectancy variances among participants. These factors are the most predictive of how many years of life remain after diagnosis.

Of the many variables studied, performance deficiencies on a brief cognitive screening test that focuses on orientation was the most significant predictor, accounting for about 20% of the variance in life expectancy. This was followed by sex, age, race/ethnicity, neuropsychiatric symptoms, abnormal neurological exam results, and functional impairment ratings.

Dr. Cullum holds the Pam Blumenthal Distinguished Professorship in Clinical Psychology.

How To Get A Better Idea Of Life Expectancy For Your Individual Situation

Whilst every person is different, and every dementia journey is different, if you want more clarity about how long you, or your loved one might live, studies suggest that the main factors to consider are:

1. Age 2. General health when diagnosed .3. Which form of dementia they have .4. How much they can still do for themselves day to day. Experts call this functional ability, and it seems to matter more than cognitive ability. In other words, people who continue to try doing things for themselves, even if their dementia is quite advanced, tend to live longer than those who stop.

*Other factors, such as whether you are married, living at home or your level of education dont seem to have an impact.

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Living Well With Dementia

Talking about death and dementia is difficult and distressing. The statistics can seem scary. However, each individual is different. People can live well with dementia, and you can still look forward to times of joy and togetherness. Professional home carers can help to ease the burden for family carers, supporting your loved one to continue living in their own home in comfort and safety.

Stage : Moderate Decline

During this period, the problems in thinking and reasoning that you noticed in stage 3 get more obvious, and new issues appear. Your friend or family member might:

• Forget details about themselves
• Have trouble putting the right date and amount on a check
• Forget what month or season it is
• Have trouble cooking meals or even ordering from a menu
• Struggle to use the telephone
• Not understand what is said to them
• Struggle to do tasks with multiple steps like cleaning the house.

You can help with everyday chores and their safety. Make sure they aren’t driving anymore, and that no one tries to take advantage of them financially.

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How Much Time Can Treatment Add

Treatment will not prevent the progression of AD. It is also unclear if treatment can add time to a persons life. Ultimately, AD will progress and take its toll on the brain and body. As it progresses, symptoms and side effects will get worse.

However, a few medications may be able to slow the progression of AD at least for a short time. Treatment can also improve your quality of life and help treat symptoms. Talk with your doctor about your treatment options.

study identified several factors that affect a persons life expectancy. These include:

• Gender: A 2004 study found that men lived an average of 4.2 years after their initial diagnosis. Women were found to live an average of 5.7 years after their diagnosis.
• Severity of symptoms: People with significant motor impairment, such as a history of falls and a tendency to wander or walk away, had shorter life expectancies.
• Brain abnormalities: The study also detected a connection between brain and spinal cord abnormalities and the length of life.
• Other health problems: People with heart disease, a history of heart attack, or diabetes had shorter lifespans than patients without these complicating health factors.

Do Treatments Add Time To Life Expectancy

Experts simply dont know whether treatments help a person live longer with Alzheimers disease. AD and other similar dementias progress no matter what. Treatments like medications and therapies have been conclusively shown to help manage symptoms, meaning they make it easier to live with the disease, but they do not reverse symptoms. The memory of a person with dementia who takes medications like cholinesterase inhibitors, for example, will be slightly better than the memory of someone who is not on medication. Quality of life therefore improves with treatment. This means better years with dementia, but probably not more years.

DementiaCareCentral.com was developed with funding from the National Institute on Aging . The site is for educational purposes, medical decisions should not be based on its content and its authors assume no liability for errors or omissions. Content cannot be reproduced without permission.©1995-2022.

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Initial Causes Average Lifespan After Dementia Diagnosis

There are several different causes of memory loss. Some cause this condition in the young, while others may be more gradual. If you notice that your memory is weakening, its important to consult a medical professional. Whether the cause is mental illness, age, or a combination of factors, its important to seek treatment as soon as possible. People with extensive memory loss may have social difficulties and anxiety, which can lead to depression. They may be afraid they are letting their loved ones down, which can lead to anxiety and depression. Average Lifespan After Dementia Diagnosis

Fortunately, there are many causes of memory loss, and many of them are treatable. However, if you are experiencing serious memory problems, you may need medical treatment. If you have been undergoing any type of medication, you should consult with your doctor. Some people have other underlying conditions that may be causing their loss of memory. Alcohol abuse, sleep deprivation, or other mental health conditions can cause memory problems. You should seek out a medical professional if you suspect youre suffering from any of these conditions.

Lewy Body Dementia Prognosis

Lewy body dementia is a form of dementia characterized by the development of abnormal deposits in the brain. People with Lewy body dementia have trouble with movement as well as cognitive decline. Thinking problems generally show up before movement problems. As Lewy body dementia progresses, affected individuals may also experience visual hallucinations and sleep problems.

Life expectancy for a person with Lewy body dementia is approximately 2 to 8 years after the onset of noticeable symptoms.

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What Are The Average Life Expectancy Figures For The Most Common Types Of Dementia

The average life expectancy figures for the most common types of dementia are as follows:

• Alzheimers disease around eight to 10 years. Life expectancy is less if the person is diagnosed in their 80s or 90s. A few people with Alzheimers live for longer, sometimes for 15 or even 20 years.
• Vascular dementia around five years. This is lower than the average for Alzheimers mostly because someone with vascular dementia is more likely to die from a stroke or heart attack than from the dementia itself.
• Dementia with Lewy bodies about six years. This is slightly less than the average for Alzheimers disease. The physical symptoms of DLB increase a persons risk of falls and infections.
• Frontotemporal dementia about six to eight years. If a person has FTD mixed with motor neurone disease a movement disorder, their dementia tends to progress much quicker. Life expectancy for people who have both conditions is on average about two to three years after diagnosis.

To find out about the support available to someone at the end of their life, and to their carers, family and friends, see our End of life care information.

You can also call Alzheimers Society on 0333 150 3456 for personalised advice and support on living well with dementia, at any stage.

Dementia Connect support lineDementia Connect support line.