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Una mujer adulta mayor con demencia mira una foto en blanco y negro

The Journey Through the Diagnosis of Dementia

March 22, 2021 por Serge Gauthier - José A. Morais - Claire Webster - Pedro Rosa-Neto 2 Comments


Alzheimer’s disease is the most common cause of dementia in persons over the age of 65, but not the only one. Most people over the age of 80 have more than one cause for their dementia such as cardiovascular issues, small strokes and Parkinson’s Disease. It is also important to highlight that cognitive decline cannot be explained as being associated with another psychiatric or clinical condition without a thorough medical investigation. 

The term “dementia” is used in the conventional sense to describe an umbrella group of symptoms affecting memory, thinking, and social abilities severe enough to interfere with activities of daily living and social autonomy. 

Seeking a Diagnosis for Cognitive Complaints 

Most countries encourage individuals to visit their primary care physician (family doctor) as a first step for a person with cognitive complaints. In many cases, they will be assisted by a nurse who may take medical history ahead of the visit, and/or complete memory screening tests over the phone, by email or in person. For those individuals who do not have a regular physician, it is recommended that they visit a public health care clinic with multiple primary care doctors or other health care professionals who may have the expertise to perform the assessment and diagnosis of dementia.  

One the most common symptoms of dementia is a progressive decline in memory regarding recent events. There may be other types of early warning signs such as searching for words, errors with directions, not recognizing familiar faces, hesitation in making decisions, as well as a significant change in mood and behavior. There are often psychological symptoms associated with cognitive decline, such as anxiety, social withdrawal, irritability and depressive feelings. They can be part of the disease process but may be adverse reactions to what is happening.  

A very important step in the diagnostic process includes the information that either the person experiencing cognitive complaints, their family members or other care partners are able to communicate to the health care professional. It is important to come prepared to the appointment having made a list of all of the signs and symptoms that are of concern as well as the duration and frequency of the issues. When meeting with a health care professional for the first time, it is also important to have the person’s past and current medical history as well as a list of medications, both prescribed and over-the-counter. 

The potential impact of cognitive decline on activities of daily living is an essential part of the history taking towards a diagnosis of dementia. For instance, memory decline may lead to missed appointments, forgetting a grand-child’s birthday, consistently misplacing important items, leaving a faucet running or frequently forgetting to turn off a stove. During the cognitive assessment, a health care professional may use a semi-structured interview or a check list of items ranging from leisure activities (such as playing cards) to instrumental tasks such as meal preparation, telephoning, housework, taking care of finances and correspondence, going on an outing, taking medications, ability to stay safely at home and driving ability, to basic activities such as dressing, hygiene, continence and eating. This information is usually validated by family members, friends or other care partners as it is not unusual for the person with cognitive complaints to not recognize their own difficulties or challenges.  

Since primary concerns about dementia generally involve memory issues such as forgetting common words, losing a sense of direction when driving or walking, as well as misplacing items, the initial test will focus on these elements. Some scales have been developed to get a general measure of how sharp a person’s thinking is (screening scales), and for which the score is then compared to average persons in the same age group and level of education. These scales are often repeated at each subsequent visit in order to assess whether the person is improving, stable or declining. Other scales have been designed to assess more specific difficulties with speech production or understanding, writing, reading or identifying faces or objects. These special scales usually require a separate assessment by a specially trained health care professional who can perform these tests. 

A health care professional may be able to confirm that there is supporting evidence of cognitive and functional decline after a first visit, however it is rarely possible to give an accurate diagnosis of dementia and of its causes after only one visit where the focus has been strictly based on history taking and basic cognitive testing. In order to make a diagnosis of dementia, a health care professional will need to make a series of additional tests such as specific blood tests, simple scans to the brain, and in special circumstances, scans of the brain using radioactive substances and/or a lumbar puncture with measurement of proteins in the cerebrospinal fluid. Once these physical tests have been thoroughly performed, a second assessment of activities of daily living along with cognitive screening will be done to formulate a diagnosis.  

Disclosure about the diagnosis of dementia to the person with cognitive complaints and their family members and/or care partners is a very sensitive issue and is often done in a step-based approach. It is important for the health care professional to ensure that the person and their family members and/or care partners understand that cognitive decline is present in order to avoid delay in making some important decisions regarding personal care, safety, and legal and financial decision making, However, due to the uncertainty about how their symptoms will evolve and in order to avoid creating emotional distress, it is very important to encourage the person to maintain an active and healthy lifestyle.  

Do you have a family member who has been diagnosed with dementia? How was the experience for the patient and the family? Share your experience in the comments section below or mention @BIDgente on Twitter.  


Filed Under: Aging and Dependency Tagged With: ageing, aging, Banco Interamericano de Desarrollo, BID, dementia, dependence, dependency, interamerican development bank, older adults, older persons, panorama of aging, parkinson, people with dependency

Serge Gauthier

CM, CQ, MD, FRCPC - McGill Centre for Studies in Aging; Alzheimer Disease Research Unit de McGill University.

José A. Morais

MD, FRCPC, CSPQ - Research Institute del McGill University Health Centre; Dementia Education Program de la McGill Faculty of Medicine; Division of Geriatric Medicine de McGill University.

Claire Webster

Certified Dementia Care Consultant, PAC, CPCA, Founder Caregiver Crosswalk Inc., McGill University Dementia Education Program.

Pedro Rosa-Neto

MD, PhD - McGill Centre for Studies in Aging.

Reader Interactions

Comments

  1. Amy Grahams says

    April 4, 2021 at 3:58 am

    I was placed on Sinemet 3 times daily, it helped me but not very much. My neurologist advised me to try natural treatments and introduced me to Mayaka Clinic Parkinsons Disease Herbal formula, I read alot of positive reviews from other patients who used the treatment and i immediately started on the treatment. I had great improvement and relief with this treatment, total decline of symptoms. Great improvement with speech, co-ordination, balance, muscle, mood etc, I gained back my life with this treatment and can never be thankful enough.

    Reply
  2. Leslie Pettite says

    September 4, 2023 at 8:37 am

    My husband who had been diagnosed with Dementia for 2 years at the age of 62 had all his symptoms reversed with Ayurveda medicine from naturalherbscentre after undergoing their Dementia natural protocol, he’s now able to comprehend what is seen. God Bless all Dementia disease Caregivers. Stay Strong, take small moments throughout the day to thank yourself, to love your self, and pray to whatever faith, star, spiritual force you believe in and ask for strength. I can personally vouch for these remedy but you would probably need to decide what works best for you💜.

    Reply

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Latin American and Caribbean countries face multiple challenges to provide quality healthcare for their citizens. In this blog, IDB Specialists and international experts discuss current health issues and hope to build a dynamic dialogue through your comments.

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