Alzheimer's Disease

Alzheimer's disease is a progressive neurodegenerative disorder that gradually destroys memory, thinking skills, and eventually, the ability to carry out simple tasks. It is the most common cause of dementia, accounting for 60-80% of cases. The disease is characterized by the accumulation of abnormal protein deposits in the brain: amyloid plaques outside nerve cells and tau tangles inside nerve cells, leading to neuron damage and death. Alzheimer's typically begins with mild memory loss and can progress to severe cognitive and functional impairment. While the disease primarily affects older adults (with the risk doubling every five years after age 65), early-onset Alzheimer's can occur before age 65. Although there is no cure, treatments can temporarily slow symptom progression and improve quality of life for patients and their caregivers.

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What Causes It?

Age - The primary risk factor; risk increases significantly after age 65.

Genetics - Several genes increase risk, especially the APOE-e4 gene. Rare mutations in genes like APP, PSEN1, and PSEN2 can cause early-onset familial Alzheimer's.

Family history - Having a first-degree relative with Alzheimer's increases risk.

Amyloid plaque accumulation - Abnormal deposits of beta-amyloid protein fragment between neurons.

Tau protein tangles - Twisted fibers of tau protein inside neurons that disrupt transport systems.

Chronic inflammation - May contribute to brain cell damage and Alzheimer's progression.

Vascular health - Conditions affecting heart and blood vessels, like heart disease, stroke, high blood pressure, and high cholesterol, increase risk.

Head trauma - Severe or repeated head injuries may increase risk.

Less education - Lower levels of formal education are associated with increased risk.

Sleep disorders - Poor sleep patterns may contribute to Alzheimer's development.

Lifestyle factors - Poor diet, lack of exercise, smoking, and excessive alcohol consumption may increase risk.

Environmental factors - Some research suggests potential links to environmental toxins or infections.

Sex - Women have a higher risk, possibly due to longer lifespan or hormonal factors.

Signs & Symptoms

Memory loss that disrupts daily life - Forgetting recently learned information, important dates, or events; repeatedly asking for the same information.

Challenges in planning or solving problems - Difficulty following familiar recipes, tracking bills, or concentrating on tasks.

Difficulty completing familiar tasks - Trouble driving to familiar locations, managing a budget, or remembering rules of favorite games.

Confusion with time or place - Losing track of dates, seasons, or the passage of time; forgetting where they are or how they got there.

Trouble understanding visual images and spatial relationships - Difficulty reading, judging distance, determining color or contrast, or recognizing their own reflection.

New problems with words in speaking or writing - Trouble following or joining conversations, repeating themselves, struggling with vocabulary, or calling things by incorrect names.

Misplacing things and losing the ability to retrace steps - Putting items in unusual places and being unable to find them; may accuse others of stealing.

Decreased or poor judgment - Making bad decisions with money, paying less attention to grooming or cleanliness.

Withdrawal from work or social activities - Abandoning hobbies, social activities, or work projects due to changes experienced.

Changes in mood and personality - Becoming confused, suspicious, depressed, fearful, or anxious; easily upset when out of comfort zone.

Progressive symptoms - As the disease advances: severe memory loss, disorientation, behavioral changes, difficulty speaking/swallowing/walking.

How We Diagnose

Our specialists use advanced diagnostic methods to accurately identify and assess your condition

Medical History and Physical Examination

Your doctor will review your medical history, ask about changes in thinking, behavior, and daily functioning, and perform a physical examination to assess overall health and identify other conditions that might cause cognitive changes.

Cognitive and Neuropsychological Tests

Various assessments evaluate memory, problem-solving, attention, counting, and language skills. Examples include the Mini-Mental State Exam (MMSE), Montreal Cognitive Assessment (MoCA), or more comprehensive neuropsychological testing to establish cognitive baseline and track changes over time.

Neurological Examination

Evaluates reflexes, coordination, muscle tone, speech, sensation, and eye movement to rule out other conditions and identify signs of stroke or Parkinson's disease that may contribute to symptoms.

Brain Imaging

MRI or CT scans can identify strokes, tumors, or other abnormalities that might cause cognitive symptoms. PET scans can detect patterns of brain activity and amyloid or tau deposits characteristic of Alzheimer's. Functional MRI (fMRI) shows brain activity patterns during specific tasks.

Laboratory Tests

Blood and urine tests check for vitamin deficiencies, thyroid disorders, infections, or other conditions that can affect brain function and mimic dementia symptoms.

Cerebrospinal Fluid (CSF) Analysis

A lumbar puncture (spinal tap) collects CSF to measure levels of beta-amyloid and tau proteins, which can help diagnose Alzheimer's disease, particularly in complex or early-onset cases.

Genetic Testing

May be considered in cases of early-onset Alzheimer's or strong family history, looking for mutations in genes like APP, PSEN1, PSEN2, or the presence of APOE-e4 allele, though routine genetic testing is not currently recommended for most patients.

Treatment Options

Personalized treatment plans tailored to your specific needs and condition

Cholinesterase Inhibitors

Medications like donepezil (Aricept), rivastigmine (Exelon), and galantamine (Razadyne) that boost levels of acetylcholine, a chemical messenger important for memory and thinking. These drugs may temporarily improve symptoms or slow their worsening in mild to moderate Alzheimer's.

NMDA Receptor Antagonist

Memantine (Namenda) regulates glutamate, another chemical messenger involved in learning and memory. It's approved for moderate to severe Alzheimer's and may be used alone or in combination with cholinesterase inhibitors.

Amyloid-Targeting Therapy

Aducanumab (Aduhelm) is a monoclonal antibody that targets and removes amyloid plaques from the brain. It's the first FDA-approved treatment directed at the underlying disease process rather than just symptoms, though its clinical benefit remains under study.

Management of Behavioral Symptoms

Various medications may be prescribed to manage specific symptoms like depression, anxiety, sleep disturbances, or agitation. These might include antidepressants, anxiolytics, or in some cases, antipsychotics (though these carry special risks in dementia patients).

Cognitive and Behavioral Interventions

Non-drug approaches like cognitive stimulation therapy, reality orientation, reminiscence therapy, and validation therapy can help maintain cognitive function, reduce anxiety, and improve quality of life.

Lifestyle Modifications

Regular physical exercise, cognitive activities, social engagement, proper nutrition, good sleep hygiene, and management of cardiovascular risk factors may help slow cognitive decline and improve overall well-being.

Caregiver Support and Education

Programs that provide education, counseling, and support for caregivers are essential components of comprehensive Alzheimer's care, helping reduce caregiver stress and improving care for the person with Alzheimer's.

Home Remedies

Cognitive Stimulation

Engage in mentally stimulating activities appropriate to the person's abilities and interests, such as puzzles, word games, reminiscence activities, or music. Even in later stages, familiar music can evoke responses and improve mood.

Establish Routines

Maintain consistent daily schedules for meals, medications, activities, and sleep. Predictable routines provide security and reduce confusion. When changes are necessary, introduce them gradually with plenty of support.

Create a Safe Environment

Remove tripping hazards, install handrails, use nightlights, secure dangerous items, and consider safety devices like door alarms or medical alert systems. Label cabinets and rooms with words or pictures to help with navigation.

Simplify Communication

Speak clearly and slowly, use simple words and short sentences, maintain eye contact, minimize distractions during conversations, and give one-step directions. Be patient and allow time for responses, offering reassurance through your tone and body language.

Support Physical Activity

Encourage regular, appropriate exercise like walking, chair exercises, or gentle stretching. Physical activity can improve mood, reduce agitation, maintain mobility, and promote better sleep.

Nutrition and Hydration

Provide balanced meals that are easy to eat, offering finger foods if using utensils becomes difficult. Ensure adequate hydration by offering small amounts of fluids frequently. Monitor for signs of swallowing difficulties and adapt food consistency as needed.

Manage Challenging Behaviors

For agitation or aggression, try to identify triggers (pain, overstimulation, fatigue) and address the underlying need. Distraction, redirection, or moving to a calmer environment often works better than confrontation or correction.

Support Sleep

Maintain a consistent sleep schedule, create a calm bedtime routine, limit caffeine and daytime napping, ensure adequate exposure to daylight during the day, and keep the bedroom comfortable and slightly cool for better sleep quality.

Prevention Tips

Regular medical check-ups to monitor overall health and medication effectiveness.

Proper management of other health conditions, especially cardiovascular risk factors like high blood pressure, diabetes, and high cholesterol.

Medication management - taking prescribed drugs as directed and regular medication reviews.

Physical activity appropriate to abilities, with supervision as needed for safety.

Good nutrition with balanced meals and adequate hydration.

Regular vision and hearing checks, as sensory impairments can worsen confusion.

Fall prevention strategies, including appropriate footwear, clear pathways, and assistive devices if needed.

Cognitive and social stimulation through appropriate activities and interactions.

Regular dental care to prevent oral health problems that could affect nutrition or cause pain.

Stress reduction for both the person with Alzheimer's and caregivers.

Planning for the future, including advance directives, legal and financial arrangements.

Caregiver self-care, including respite breaks, support groups, and attention to their own health needs.

Home safety evaluations and modifications as the disease progresses.

Monitoring for and promptly addressing new symptoms or complications.

Surgical Solutions

Advanced surgical procedures performed by our expert specialists

No Surgical Cure

There is currently no surgical procedure that can cure Alzheimer's disease or reverse its progression, as the condition involves widespread changes throughout the brain. However, certain surgical interventions may be considered for specific aspects of care or research purposes.

Shunt Procedure for Normal Pressure Hydrocephalus

In some cases, cognitive symptoms may be caused or exacerbated by normal pressure hydrocephalus (NPH), which can sometimes mimic or coexist with Alzheimer's disease. A shunt procedure to drain excess cerebrospinal fluid may be considered if NPH is diagnosed. This won't treat Alzheimer's itself but may improve symptoms if NPH is contributing to cognitive decline.

Deep Brain Stimulation (Research)

This procedure, which involves implanting electrodes in specific areas of the brain connected to a stimulator device, is being studied in clinical trials for Alzheimer's disease. Early research suggests it might help regulate neural circuits and potentially improve cognitive function in some patients, but it remains experimental and is not yet an approved treatment.

Brain Biopsy (Diagnostic)

In rare and complex cases where the diagnosis is uncertain, particularly in younger patients or those with atypical presentations, a brain biopsy might be considered to examine brain tissue directly. This is an invasive procedure with risks and is generally only performed when other diagnostic methods have been inconclusive and treatment decisions depend on a definitive diagnosis.

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