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Frontotemporal Dementia

What is frontotemporal dementia?

Frontotemporal dementia (FTD) is a group of disorders that occur when nerve cells in the frontal and temporal lobes of the brain are lost. This causes the lobes to shrink. FTD can affect behavior, personality, language, and movement.

FTD is one of the most common dementias to strike at younger people. Symptoms often start between the ages of 40 and 65. But FTD can strike young adults and those who are older. FTD affects men and women equally.

The most common types of FTD are:

  • Frontal variant. This form of FTD changes behavior and personality.
  • Primary progressive aphasia. Aphasia means trouble communicating. This form has 2 subtypes:
    • Progressive nonfluent aphasia, which affects how a person speaks 
    • Semantic dementia, which affects how a person uses and understands language  

A less common form of FTD affects movement. It causes symptoms like Parkinson disease or amyotrophic lateral sclerosis (Lou Gehrig’s disease).

What causes frontotemporal dementia?

The cause of FTD is unknown. Researchers have linked certain subtypes of FTD to mutations on several genes. Some people with FTD have tiny structures, called Pick bodies, in their brain cells. Pick bodies have an abnormal amount or type of protein.

Who is at risk for frontotemporal dementia?

A family history is the only known risk for FTD. Experts think that some cases of FTD are inherited. But most people with FTD have no family history of it or other types of dementia.

What are the symptoms of frontotemporal dementia?

Symptoms of FTD start slowly and progress steadily, and in some cases, quickly. They vary from person to person. They depend on the areas of the brain involved. These are common symptoms:

  • Behavior and/or personality changes, such as swearing, stealing, more interest in sex, or a decline in hygiene habits
  • Socially inappropriate, impulsive, or repetitive behaviors
  • Impaired judgment
  • Apathy
  • Lack of empathy
  • Decreased self awareness
  • Loss of interest in normal daily activities
  • Emotional withdrawal from others
  • Loss of energy and drive
  • Trouble using or understanding language, such as a hard time naming objects, expressing words, or knowing the meanings of words
  • Hesitation when speaking
  • Less frequent speech
  • Distractibility
  • Trouble planning and organizing
  • Frequent mood changes
  • Agitation
  • Growing dependence

Some people have physical symptoms, such as:

  • Tremors
  • Muscle spasms or weakness
  • Stiffness
  • Poor coordination or balance
  • Trouble swallowing

Mental health symptoms also may occur. These include hallucinations or delusions. But these are not as common as other changes.

How is frontotemporal dementia diagnosed?

Family members are often the first to see small changes in behavior or language skills. It’s best to see a healthcare provider as early as possible to talk about:

  • Symptoms, when they began and how often they occur
  • Your past health
  • Your family's health
  • Medicines you take, prescription and over-the-counter
  • Dietary supplements you take

No single test can diagnose FTD. Often, healthcare providers will order blood tests and do physical exams to rule out other health problems that cause similar symptoms. If they think it may be dementia, they may:

  • Check neurological health, such as reflexes, muscle strength, muscle tone, sense of touch and sight, coordination, and balance
  • Gauge neuropsychological health, such as memory, problem-solving skills, attention span and counting skills, and language abilities
  • Order MRI or CT scans of the brain
  • Order positron emission tomography (PET) scans to help tell FTD from other dementias

How is frontotemporal dementia treated?

At this time, no treatments can cure or slow the worsening of FTD. But your healthcare providers may suggest the following to help treat symptoms:

  • Antidepressants to help with anxiety, obsessive-compulsive behaviors, and other symptoms
  • Prescription sleep aids to help ease insomnia and other sleep problems
  • Antipsychotic medicine to lessen irrational and compulsive behaviors
  • Behavior changes to help you control unacceptable or unsafe behaviors
 

You may also see speech and language pathologists and physical and occupational therapists. They can help you adjust to some of the changes caused by FTD.

What are possible complications of frontotemporal dementia?

FTD is not life-threatening. People may live with it for years. But it can raise your risk for other illnesses that can be more serious. Pneumonia is the most common cause of death, with FTD. People are also at higher risk for infections and injuries from falls.

As FTD gets worse, people may take part in unsafe behaviors. Or they may be unable to care for themselves. They may need 24-hour nursing care or to stay in an assisted living facility or nursing home.

Living with frontotemporal dementia

Coping with FTD can be scary, frustrating, and embarrassing for the patient and family members. Some symptoms can’t be controlled. So family members shouldn't take their loved one’s behaviors personally. Families need to care for their own well-being, while making sure that their loved one is treated with dignity and respect.

Caregivers should learn all they can about FTD. They should look for a healthcare provider who knows about it, too. They should also gather a team of experts to help the family meet the health, financial, and emotional challenges they are facing.

Other healthcare providers who may play a role are:

  • Home care nurses
  • Neuropsychologists
  • Genetic counselors
  • Speech and language therapists
  • Physical and occupational therapists
Social workers can also help. They can help the patient and caregivers find community resources. This includes medical supplies and equipment, nursing care, support groups, respite care, and financial help.

Attorneys and financial advisors can help families get ready for the later stages of the disease.

Advanced planning will help smooth future changes for the patient and family members. It may also allow all to take part in the process.

There is little solid evidence that antioxidants and other supplements help those with FTD. You and your family members should talk with your healthcare provider about whether to try any of them, such as coenzyme Q10, vitamin E, vitamin C, and B vitamins to support brain health.

When should I call my healthcare provider?

If you are diagnosed with FTD, you and your caregivers should talk with your healthcare providers about when to call them. Your healthcare provider will likely advise calling if your symptoms become worse, or if you have obvious or sudden changes in behavior, personality, or speech. This involves mood changes, such as depression or thoughts of suicide.

It can be very stressful for a caregiver to take care of a loved one with FTD. It's normal to have feelings of denial, anger, and irritability. Caregivers may also have anxiety, depression, exhaustion, and health problems of their own. Caregivers should talk to their healthcare provider if they have any of these signs of stress.

Key points about frontotemporal dementia

  • Frontotemporal dementia is a group of disorders in which there is a loss of nerve cells in the frontal and temporal lobes of the brain. This causes these lobes to shrink. The cause of FTD is unknown.
  • Symptoms often first occur between the ages of 40 and 65. They can include changes in personality and behavior, progressive loss of speech and language skills, and sometimes physical symptoms such as tremors or spasms.
  • FTD tends to worsen over time. Treatments can't cure the disease. But some medicines and other treatments, such as speech therapy, can sometimes help with symptoms. If you have FTD, you may eventually need full-time nursing care, or to stay in an assisted living facility or nursing home.

Next steps

Tips to help you get the most from a visit to your healthcare provider:

  • Know the reason for your visit and what you want to happen.
  • Before your visit, write down questions you want answered.
  • Bring someone with you to help you ask questions and remember what your provider tells you.
  • At the visit, write down the name of a new diagnosis, and any new medicines, treatments, or tests. Also write down any new instructions your provider gives you.
  • Know why a new medicine or treatment is prescribed, and how it will help you. Also know what the side effects are.
  • Ask if your condition can be treated in other ways.
  • Know why a test or procedure is recommended and what the results could mean.
  • Know what to expect if you do not take the medicine or have the test or procedure.
  • If you have a follow-up appointment, write down the date, time, and purpose for that visit.
  • Know how you can contact your provider if you have questions.
Online Medical Reviewer: Anne Fetterman RN BSN
Online Medical Reviewer: Raymond Kent Turley BSN MSN RN
Date Last Reviewed: 12/1/2018
© 2000-2018 The StayWell Company, LLC. 800 Township Line Road, Yardley, PA 19067. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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