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Yale-New Haven Hospital, New Haven, Connecticut, USA HealthLINK: Women's Health


March 3, 2004

News this month
Studies point out risk of depression high among caregivers

Caring for family members with chronic, disabling conditions at home is increasingly common in American households. Currently about six million adults provide long-term, unpaid care to loved ones over the age of 50.

Nearly one-third of those who care for terminally ill loved ones at home may suffer from depression.

Although most people prefer being cared for at home rather than being institutionalized, caregiving can be very stressful to caregivers. Two recent studies document high rates of depressive symptoms among caregivers.

Caring for the terminally ill
Nearly one-third of those who care for terminally ill loved ones at home may suffer from depression, according to a new study authored by Holly Prigerson, associate professor of psychiatry and epidemiology and public health at the Yale School of Medicine. Dr. Prigerson points out that this is something that may be overlooked as care for the terminally ill increasingly shifts from hospital to the community.

“These are people who are highly treatable, according to Prigerson, “yet no one is identifying, diagnosing or treating them.”

Screening tool
The study focused on developing and testing a new tool for evaluating psychological reactions common yet under-recognized among lay caregivers of a terminally ill family member or friend. Dr. Prigerson and her colleagues developed the Stressful Caregiving Adult Reactions to Experiences of Dying (SCARED) scale, designed to assess the feelings of fear and helplessness that may be evoked by specific situations caregivers are likely to encounter—such as seeing the patient collapse, become delirious, struggle to swallow or breathe, experience pain or even appear to be dead.

The researchers interviewed 76 hospice-patient caregivers using this scale and discovered that 30 percent of the respondents experienced what could be described as a major depressive disorder.

“What we're saying is that simply watching a loved one suffering has its own, discrete negative psychological consequences that can affect the caregiver's well-being,” said Prigerson. “What we need to do is take a step back and think about how we can help them deal with the mental health aspect of their experience.”

Ultimately, she says, the goal should be to screen caregivers who are at risk and use the assessment tool to identify ways to minimize the negative consequences that follow from exposure to serious distress in a dying loved one.

Caregivers exhibited high levels of depressive symptoms while caring for a relative with dementia.

Caring for dementia patients
Family members who care for patients with end-of-life dementia experience a protracted period of stress prior to the death of the loved one, according to a study published in the New England Journal of Medicine. Author Richard Schulz, professor of psychiatry at the University of Pittsburgh School of Medicine, found that caregivers exhibited high levels of depressive symptoms while caring for a relative with dementia, but their depression lowered within three months after the death and declined significantly a year later.

According to Schultz, the findings show new approaches in end-of-life care for dementia patients may be needed to address the health and well-being of the caregivers as well as the patient.

Studying caregivers
The researchers followed 217 family caregivers of persons with dementia during the year before the patient's death, then continued to follow them for a year afterwards. The mean age of the caregivers was 65 at the beginning of the study; 84.3 percent of the caregivers were women. About half were spouses. Adult children comprised the largest group of caregivers after spouses.

Half of the caregivers reported spending at least 46 hours per week—equivalent to a full-time job—assisting patients with activities of daily living that ranged from preparing their meals to bathing and dressing them. In addition, more than half of the caregivers felt they were “on duty” 24 hours a day and were under stress because they felt the patient suffered frequent pain. Caregivers also felt stress because they had to end or reduce their own employment to meet the demands of taking care of their loved ones.

“This study gives us insight into the experiences of many of the six million people who provide long-term, unpaid care to disabled elderly persons in their families,” said Schulz. “At this moment, more than two million people in the United States have dementia, and a significant number of those patients are cared for by a family member at home. The service these people provide saves the health care system billions of dollars a year, while the caregivers themselves endure both emotional and financial stress. Because the number of people in this situation will increase markedly over the next two decades, this study should serve as notice that we as a society may need to reassess how we support family caregivers.”


 

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2003 Best Hospital--U.S. News Online

For the 12th year in a row, Yale-New Haven has been highly ranked by U.S. News & World Report for its programs in psychiatry.

 


Rajesh Tampi, MD, MS portrait.

Caregiver depression: Addressing a growing mental health issue

I see symptoms of depression among people who are caring for loved ones at home all the time, and I consider it a major public health problem. The statistics that we have indicate one in four U.S. households provide care for aging loved ones, and some studies indicate as many as half of these caregivers experience some degree of depression.

“I consider [caregiver depression] a major public health problem”

What are the signs?
Depression occurs among caregivers about 10 times more often than in the general population. About 60 percent of caregivers present with some symptoms of depression, and 30 to 40 percent of them are considered to have major depression.

The following are the nine classic symptoms a physician looks for when considering a diagnosis of depression. A major depressive episode is present if five or more of the following nine symptoms are present during the same two-week period. At least one of the five symptoms must be either a depressed mood or loss of interest or pleasure.

  • Persistent sadness or unhappiness

  • Fatigue or loss of energy

  • Loss of interest in previously enjoyable activities

  • Irritability or agitation

  • Sudden change in appetite or weight

  • Disruption of normal sleep pattern

  • Feelings of worthlessness or excessive or inappropriate guilt

  • Difficulty thinking clearly or concentrating

  • Thoughts of suicide or death

Aging caregivers are often difficult to diagnose because they may not present with these typical symptoms of depression. They may visit their doctor with complaints of backaches or headaches and general fatigue. Experts estimate primary care physicians miss between 30 and 50 percent of the cases of depression among their aging caregiver patients.

“Depression is a significant risk factor for chronic medical conditions such as heart disease, cancer and diabetes.”

What are the long-term consequences?
In addition to the personal anguish depressed individuals experience, high rates of depressive symptoms put people at serious risk with their physical health as well. Depression is a significant risk factor for chronic medical conditions such as heart disease, cancer and diabetes. One study found that older caregiving spouses who reported strain due to caregiving experience a 63 percent higher mortality rate than older spouses who were not caregivers.

Depression is the second highest risk factor for death among heart patients, second only to a weak ejection fraction. Thirty to 50 percent of heart patients suffer from depression, and they are six times more likely to die than heart disease patients who are not depressed.

Patients who are being cared for by depressed individuals are also at risk. They may not be given medications regularly, and they are more likely to be placed in nursing homes and other institutionalized settings, which costs society an estimated $200 billion each year.

What factors influence caregiver depression?
Research has shown us that certain patient characteristics increase the caregiver's risk of depression. Those who care for people younger than 65 years old who suffer from multiple medical problems resulting in their inability to perform two or more activities of daily living such as feeding themselves or personal hygiene are at the greatest risk. Additional risk factors include angry or aggressive behavior on the part of the patient.

Treatment
The good news is that effective treatment is available. Counseling and/or medication is effective in treating 90 percent of those suffering depression, but early intervention is important. The longer and more severe the depression, the greater the health risk to the individual and the less likely they will recover.

“Family members should be alert to signs of depression among the caregivers in their families and urge people to seek treatment as soon as possible”

What to do?
Oftentimes, caregivers don't seek help for their depression because they assume it is a natural consequence of caring for chronically ill loved ones and can't be helped. Family members should be alert to signs of depression among the caregivers in their families and urge people to seek treatment as soon as possible.

Respite programs that give family members a break from their caregiving responsibilities helps as well. Families should come up with a plan to regularly relieve caregivers so they have time to take care of themselves and enjoy other activities. Research has found that caregivers who use adult day care services decreased their own care-related stress and depressive symptoms significantly.

Several programs are aimed at primary care physicians who may be best positioned to recognize and treat caregivers. Tools such as the scale developed by Dr. Prigerson can be helpful in identifying those most at risk.

There are also several national programs directed at supporting those who care for patients at home. The U.S. Department of Health and Human Services and the Robert Wood Johnson Foundation has funded a demonstration project in three states that issues monthly cash allowances for Medicaid recipients to hire their own caregivers, including members of their families and friends.

Public policy decision makers are grappling with ways to support and sustain those who are the backbone of our long-term care system—family and informal caregivers who take care of loved ones at home.


Dr. Tampi is a geriatric psychiatrist at the Yale-New Haven Psychiatric Hospital and an assistant professor of psychiatry at Yale University School of Medicine.

 

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