Provide Support to people living with dementia

Topics: Alzheimer's disease, Dementia, Neuron Pages: 13 (3394 words) Published: May 26, 2014
Research explain the following different manifestations of dementia: Huntington’s disease:
Huntington's disease is a progressive brain disorder caused by a single defective gene on chromosome 4 — one of the 23 human chromosomes that carry a person’s entire genetic code.  This defect is "dominant," meaning that anyone who inherits it from a parent with Huntington's will eventually develop the disease. The disorder is named for George Huntington, the physician who first described it in the late 1800s. The defective gene codes the blueprint for a protein called huntingtin. This protein's normal function isn't yet known, but it's called "huntingtin" because scientists identified its defective form as the cause of Huntington's disease. Defective huntingtin protein leads to brain changes that cause abnormal involuntary movements, a severe decline in thinking and reasoning skills, and irritability, depression and other mood changes. Symptoms

Symptoms of Huntington's disease usually develop between ages 30 and 50, but they can appear as early as age 2 or as late as 80.  The hallmark symptom of Huntington's disease is uncontrolled movement of the arms, legs, head, face and upper body. Huntington's disease also causes a decline in thinking and reasoning skills, including memory, concentration, judgment and ability to plan and organize. Huntington's disease brain changes lead to alterations in mood, especially depression, anxiety, and uncharacteristic anger and irritability. Another common symptom is obsessive-compulsive behavior, leading a person to repeat the same question or activity over and over. Causes and risks

The defective gene identified in 1993 causes virtually all Huntington’s disease. The huntingtin gene defect involves extra repeats of one specific chemical code in one small section of chromosome 4. The normal huntingtin gene includes 17 to 20 repetitions of this code among its total of more than 3,100 codes. The defect that causes Huntington's disease includes 40 or more repeats. Genetic tests for Huntington's disease measure the number of repeats present in an individual's huntingtin protein gene. Scientists don't yet understand the normal function of huntingtin protein or how a few dozen extra repeats in its genetic blueprint lead to the devastating symptoms of Huntington's disease. Researchers are eager to solve these mysteries to find the answer to Huntington's. These solutions also may offer important insights into a wide range of other brain disorders, including Alzheimer's, Parkinson's disease and amyotrophic lateral sclerosis (ALS) Treatment and outcomes

There is currently no cure for Huntington's disease and no way to slow or stop the brain changes it causes. Treatments focus on managing symptoms. A group of international experts recommended the following treatments as first-line strategies for three of the disease's most troubling symptoms: Chorea (involuntary movements): Some experts begin treatment with an atypical antipsychotic drug. Others start with another type of drug approved by the U.S. Food and Drug Administration (FDA) specifically for Huntington's. Irritability: For severe anger and threatening behavior, experts agree that an atypical antipsychotic drug is the best first-line approach. For less severe, nonthreatening irritability, experts recommend first trying a selective serotonin reuptake inhibitor (SSRI), which is a type of antidepressant. Obsessive-compulsive thoughts and actions: Experts also recommended SSRIs as the front-line treatment for obseesive-compulsive behaviors. Other Huntington's symptoms, such as anxiety, depression and insomnia, also should be treated according to generally accepted guidelines. Experts encourage people with Huntington's to keep all their medical appointments and not to get discouraged if it takes their health care team some time to find the best drugs and the most effective doses.

Vascular Dementia:

Vascular dementia is a decline in thinking skills...
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