At the end of dementia, individuals experience severe decline, losing the ability to communicate, walk, and perform daily tasks, becoming fully dependent; they often struggle with swallowing, experience incontinence, and may become bed-bound, with a significant loss of awareness, though they can still feel touch and emotion, often needing palliative care for comfort as they become more vulnerable to infections.
Signs of late-stage dementia
The average life expectancy figures for the most common types of dementia are as follows: Alzheimer's disease – around eight to 10 years. Life expectancy is less if the person is diagnosed in their 80s or 90s. A few people with Alzheimer's live for longer, sometimes for 15 or even 20 years.
The person with dementia may have lost their appetite or have difficulty swallowing safely. In the last days of their life, someone with dementia may stop eating or drinking. People around them may find this distressing, but it's normal for people who are approaching the end of life.
Sleeping more and more is a common feature of later-stage dementia. As the disease progresses, the damage to a person's brain becomes more extensive and they gradually become weaker and frailer over time.
At the end of life, patients with dementia often experience high levels of pain due to complex interplay of disease processes and numerous barriers to symptom management. In the hospice setting, informal caregivers play an essential role in pain management.
Terminal lucidity, or “the surge,” is an unexpected episode (occurrence) of clarity and energy before death. Neurodegenerative conditions that lead to dementia, like Alzheimer's disease, cause irreversible mental decline that can be hard to watch in a loved one.
Generally, urinary incontinence occurs first (stage 6d), then fecal incontinence occurs (stage 6e). The incontinence can be treated, or even initially prevented entirely in many cases, by frequent toileting.
Patients with dementia or Alzheimer's are eligible for hospice care when they show all of the following characteristics: Unable to ambulate without assistance. Unable to dress without assistance. Unable to bathe properly.
Final Stages of Dementia
This can inhibit basic bodily functions, such as heart rate and breathing. Historically, associated complication(link is external and opens in a new window) like respiratory or urinary tract infections and falls have been the cause of death as dementia progresses.
At approximately the same point in the evolution of AD, but generally just a little later in the temporal sequence, AD persons lose the ability to bathe without assistance (stage 6b).
The term "sundowning" refers to a state of confusion that occurs in the late afternoon and lasts into the night. Sundowning can cause various behaviors, such as confusion, anxiety, aggression or ignoring directions. Sundowning also can lead to pacing or wandering. Sundowning isn't a disease.
It's not always a good idea for someone with dementia to be involved in the formal part of the funeral. It can be extremely upsetting and intense if they forget that their loved one has died and then are reminded of it again at the funeral.
Opioids may be useful in the treatment of agitation where pain is an underlying factor, but may also be effective for relieving distress in the absence of physical pain.
Symptoms in the later stages of dementia
As dementia progresses, memory loss and difficulties with communication often become severe. In the later stages, the person is likely to neglect their own health, and require constant care and attention.
10 Signs Death is Near Dementia
The "2-finger test" for dementia involves an examiner showing a hand gesture (like interlocking index and middle fingers) and asking the patient to copy it, testing motor skills, visual memory, and coordination, as difficulties can signal early cognitive decline, but it's a screening tool, not a definitive diagnosis, prompting further medical evaluation. Other related tests include finger-tapping and finger-to-nose, looking for hesitation or misjudgment in movement.
Dementia, with its gradual erosion of cognitive abilities, often leads to a point where the use of adult diapers becomes necessary. This necessity, while practical, carries layers of emotional and psychological implications for both the caregivers and the person receiving care.
Key signs 2 weeks before death at the end-of-life stages timeline: Extreme fatigue and increased sleep. A marked decrease in appetite and fluid intake. Irregular breathing patterns (Cheyne-Stokes breathing)
Late-stage dementia typically lasts about one to three years, though it can vary significantly, sometimes lasting months or even longer, with individuals requiring full-time care and facing increased health risks like infections, leading to it being a terminal illness. The final stage is characterized by severe cognitive decline, significant physical dependence, loss of communication, and heightened vulnerability, with pneumonia often being a common cause of death.
Each dementia patient's symptoms and their onset vary, but shadowing usually occurs in the middle stages of Alzheimer's before mobility is seriously limited. Older adults who are prone to shadowing may follow their caregivers around constantly, which can be distressing for both parties.
Pearl (GEM 6): The Pearl stage represents individuals with very severe dementia. In this stage, cognitive function is severely impaired, and individuals may have minimal awareness of their surroundings or ability to communicate verbally.
Life expectancy after a diagnosis of dementia decreases with increasing age. For example, an average person diagnosed with Alzheimer's disease between ages 70-79 can expect to survive seven more years, while a diagnosis after age 90 is associated with an expected survival of only 2.8 additional years.
The three most commonly prescribed dementia medications are typically Donepezil, Rivastigmine, and Galantamine, all cholinesterase inhibitors that boost acetylcholine for memory, with Donepezil often being the most prescribed. Memantine, which regulates glutamate, is also very common, often used with or for moderate-to-severe Alzheimer's.