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Home Neurology All Disorders

Alzheimer’s Disease

Dr.Udbhav | MBBS ( UCMS Delhi University ) by Dr.Udbhav | MBBS ( UCMS Delhi University )
December 10, 2020
in All Disorders, Latest, Neurology
0
Alzheimer’s Disease
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It is a leading cause of Senile Dementia, Pre-senile Dementia .

Dementia — a continuous decline in thinking, behavioral, and social skills that disrupts a person’s ability to function independently.

A person keeps forgetting small things like where he kept his phone frequently and subsequently larger things like what is his name?

Symptoms of ALZHEIMER’S

1. Memory loss is the main and prominent symptom of ALZHIEMERS disease.

2. Early symptoms includes forgetting recent events and later past events .

3. A family member is likely to notice the change in behaviour on how the forgetting of things has increased in the past.

Symptoms in People with Alzheimer’s 

  • Repeat statements and questions over and over
  • Forget conversations, appointments or events, and not remember them later
  • Routinely misplace possessions, often putting them in illogical locations
  • Get lost in familiar places
  • Eventually forget the names of family members and everyday objects
  • Have trouble finding the right words to identify objects, express thoughts or take part in conversations.

Thinking and reasoning

is severely impaired in this condition especially the ability to manage finances paying bills .These difficulties may progress to an inability to recognize and deal with numbers . Ability of making decisions and judgements is also severely impaired.

Planning and performing familiar tasks

Routine activities which require sequential steps following to achieve target may become difficult as the persons train of thought might totally get derailed.

Changes in personality and behavior

Brain changes that occur in Alzheimer’s disease can affect moods and behaviors. Problems may include the following:

  • Depression
  • Apathy
  • Social withdrawal
  • Mood swings
  • Distrust in others
  • Irritability and aggressiveness
  • Changes in sleeping habits
  • Wandering
  • Loss of inhibitions
  • Delusions, such as believing something has been stolen

Helpful products for patients suffering from Dementia 

Causes

Less than 1 percent of the time, Alzheimer’s is caused by specific genetic changes that virtually guarantee a person will develop the disease. These rare occurrences usually result in disease onset in middle age.

The exact causes of Alzheimer’s disease aren’t fully understood, but at its core are problems with brain proteins that fail to function normally, disrupt the work of brain cells (neurons) and unleash a series of toxic events. Neurons are damaged, lose connections to each other and eventually die.

Genetic chromosomes related to ALZHEIMER’s  are

Chromosome 1/14/19/21

In patients with  Trisomy of 21st  chromosome [Down’s Syndrome] if the patient has survived until 35 years makes the patient at high risk for pre senile dementia .

Severity of the disease is based on intraneuronal amount of neurofibrillary tangles.

Plaques.

Beta-amyloid is a leftover fragment of a larger protein. When these fragments cluster together, they appear to have a toxic effect on neurons and to disrupt cell-to-cell communication. These clusters form larger deposits called amyloid plaques, which also include other cellular debris.

Tangles.

Tau proteins play a part in a neuron’s internal support and transport system to carry nutrients and other essential materials. In Alzheimer’s disease, tau proteins change shape and organise themselves into structures called neurofibrillary tangles. The tangles disrupt the transport system and are toxic to cells.

Risk factors –

1.Age increasing age is the biggest risk factor.

2.Family history and genetics-

3.Genetic chromosomes identified related to ALZHEIMER’s  are

Presence of chromosome 1/14/19/21

In patients with  Trisomy of  21st  chromosome [Down’s Syndrome] if the patient has survived until 35 years makes the patient at high risk for pre senile dementia.

One more understood risk factor is a form of the apolipoprotein E gene, APOE e4 increases the risk of Alzheimer’s.

Mild cognitive impairment

Mild cognitive impairment (MCI) is a decline in memory or other thinking skills that is greater than what would be expected for a person’s age, but the decline doesn’t prevent a person from functioning in social or work environments.

People who have MCI have a significant risk of developing dementia. When the primary MCI deficit is memory, the condition is more likely to progress to dementia due to Alzheimer’s disease. A diagnosis of MCI enables the person to focus on healthy lifestyle changes, develop strategies to compensate for memory loss and schedule regular doctor appointments to monitor symptoms.

1.Head trauma

2.Altered sleep pattern

3.Lifestyle e.g-

Lack of exercise

Raised blood pressure

Raised cholesterol

Poorly controlled type 2 DM

COMPLICATIONS

1.Inability to communicate properly.

2.Inability to complete tasks

3.Forgetting name an their address can be life threatening and the patients with such conditions need to be kept in care.

4.Inhaling of food or water may cause choking or pneumonia

5.Frequent falls

6.Fractures

Prevention

Alzheimer’s is a non preventable condition however following a healthy lifestyle might help .

FOR DIAGNOSIS AND TREATMENT YOU SHOULD CONSULT YOUR DOCTOR AS SOON AS POSSIBLE .

A functional MRI is useful and shows dilated ventricles and atrophied cortex .

Drugs are available to relieve some  of the symptoms of the disease.

FOR MORE INFORMATION

https://www.mayoclinic.org/diseases-conditions/alzheimers-disease/symptoms-causes/syc-20350447

https://www.nia.nih.gov/health/what-alzheimers-disease

https://www.alz.org/alzheimer_s_dementia

Source:

Harrison’s principles of internal medicine/Alzheimer’s Disease

https://www.mayoclinic.org/diseases-conditions/alzheimers-disease/symptoms-causes/syc-20350447

Tags: 5 Stages of Alzheimer's DiseaseLife Expectancy In Alzheimer's DiseaseSymptoms of Alzheimer's DiseaseTreatment of Alzheimer's Disease
Dr.Udbhav | MBBS ( UCMS Delhi University )

Dr.Udbhav | MBBS ( UCMS Delhi University )

I focus on providing best in class information, daily news and the latest research on neurological disorders.

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