Monday 22 April 2013

Aggressive Behaviour In A Person With Dementia: Advice On Preventing & Defusing Potentially Volatile Situations

Aggression—a destructive or hostile action or behavior directed toward oneself, other people or objects—is one of the most frightening behaviors displayed by some individuals with dementia.

Typically, aggressive behavior in a person with dementia involves swearing, screaming, throwing objects, slamming doors, resisting care, biting or attempting to hit other people. Less  commonly, it may be sexual in nature.

Not surprisingly, aggressive behavior can cause considerable distress for caregivers, family members and nursing home staff and is often cited as a reason why a loved one is placed in residential care.

Aggravating Factors

Many things can trigger aggressive behavior in a person with dementia. For example, aggression may be a sign of an underlying problem that the patient cannot communicate. Pain, physical illness, dehydration, depression, anxiety, a lack of sleep, frustration, a change in the person’s drug regimen or even constipation may cause the patient to act out.  That’s why it’s important to get a doctor to evaluate the person and rule out possible physical causes for aggressive behavior.

At times, seemingly innocuous actions of another person may be a trigger. An individual with dementia may strike out while a caregiver is helping him bathe or a doctor is performing an evaluation, for example, because he feels that his personal space has been invaded. The aggressive behavior is merely an attempt to defend it.

In some instances, aggressive behavior may occur when the person doesn’t understand why she or he is asked to do something. The person with dementia may misinterpret certain actions or be mistrustful of someone and react aggressively toward that person.

Identify and Adapt

You may be able to identify a pattern in the person’s aggressive behavior and take steps to prevent it by keeping a detailed written account of the events that surround the acts of aggression. The account should describe what happened immediately prior
to the outburst, what the behavior entailed and the outcome of the situation. The account should also note how often aggressive behavior occurs, whether anyone else is present when the behavior happens and what, if anything, reduces the behavior.

Information gleaned from the written account can be useful in helping you make adaptations that will help avoid triggering the aggressive behavior. For example, if your notes reveal that the person typically is aggressive when he is unable to find items such as clothes or dishes, try labeling drawers and cabinets.  If a person becomes combative when trying to make choices about eating or dressing, limit the options you present. If outbursts occur when a person receives instructions on how to do something, avoid general directives and instead give instructions that contain only one step. For example, say “put this shirt on” rather than “dress yourself.”


If the person exhibiting the aggressive behavior lives in a nursing home, take a look at the

surroundings to identify potential triggers. The facility may be overcrowded, or the person may be over or under stimulated; in some cases, a roommate may be inadvertently triggering the behavior.  Addressing those issues may help avert future outbursts.

Additional Strategies

Some caregivers find that maintaining a regular daily routine helps prevent outbursts. Playing music the person enjoys during problem times such as while bathing may also be useful.  In addition, a regular, gentle exercise program may help reduce aggression on days the patient is physically acting out.

The Medication Option

If repeated use of behavioral modification does not help control the behavior, medication may be appropriate in some situations.  While no drugs are specifically approved to treat aggression in dementia, research shows that a number of medications may be helpful. These include antidepressants, antipsychotics and anti-anxiety drugs. The doctor will make treatment decisions based on a number of factors, including the cause of the dementia, symptoms, the presence of other health conditions and the person’s caregiving arrangements.

What To do When Aggression Occurs

Despite efforts to prevent and treat aggression, episodes may occur from time to time. Knowing what to do can help defuse the situation. 
If a person with dementia becomes aggressive, try your best to stay calm and stop whatever it is you are trying to get the person to do. Give the person enough space so that he or she doesn’t feel threatened.  Don’t argue with the person, make degrading comments or punish the person physically or psychologically.  Remember, because of the person’s illness, he or she likely will not recall the event or be able to learn from it.
Talk  to the person in a calm non threatening voice using easyto-understand language. If a television or radio is on, turn down the volume or turn it off. Try to ignore the aggression or distract the person by switching to another subject.
If this doesn’t work, try to calm the person by working through the reasons for the aggression.  For example, if the person is suspicious that someone has stolen his or her wallet, spend a few minutes looking for it with the person. Some caregivers find it  helpful  to distract the person with a calming activity like sitting in a rocking chair.

Get Support

Most caregivers are not trained professionals, but learning good caregiving techniques can be worthwhile. In addition, getting support and learning how other people cope with similar situations is invaluable. Contact the Alzheimer’s Association to find out if there are caregiver training programs or caregiver support groups in your area.


(Source:  John Hopkins Memory 2013-Guide to Alzheimer’s Disease & Dementia) 

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