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Improving quality of life for people with chronic heart failure

February 26, 2018

AURORA, Colo. (Feb. 26, 2018) - Patients with chronic heart failure face related problems, such as depression and fatigue, that could be relieved by an expanded model of care, according to a recently published study led by a researcher from the University of Colorado School of Medicine.

The study, "Effect of a Collaborative Care Intervention vs Usual Care on Health Status of Patients With Chronic Heart Failure: The CASA Randomized Clinical Trial," published in the current issue of the journal JAMA Internal Medicine, found benefit to some aspects of patients' quality of life when conventional cardiac therapy is supplemented with a nurse and a social worker who collaborate with a team to address patients' symptom and psychosocial needs.

"Many of the 5.8 million Americans with heart failure live with bothersome symptoms, reduced function and poor quality of life" said David B. Bekelman, MD, MPH, the study primary author. "Improving their care is important because many people with heart failure live with these challenges for years."

Bekelman, an associate professor of medicine who practices at the Eastern Colorado Health Care System for the U.S. Department of Veterans Affairs, and his colleagues evaluated 314 patients, with half of them enrolled in a program that addressed those quality of life concerns.

The Collaborative Care to Alleviate Symptoms and Adjust to Illness intervention, also called CASA, offered 157 patients a nurse and social worker who collaborated with a primary care provider, cardiologist, and palliative care physician to address the patients' needs. The CASA trial is the first clinical trial of such a collaborative intervention in heart failure and it included patients receiving care from VA, academic and safety-net health systems in Colorado between August 2012 and April 2016. Patients enrolled in the study were evaluated for a one-year period. The typical CASA intervention was three to four months.

The CASA intervention significantly improved patients' depression and fatigue but did not result in significant changes in heart failure-specific health status, pain, shortness of breath, or number of hospitalizations. The number who died during the study was similar - 10 of the patients in the CASA intervention died, while 13 of those receiving the typical standard of care died.

The improvements in depression and fatigue are important results because they are both common, burdensome, and difficult to treat in heart failure, Bekelman said. Very few other studies have found treatments for these symptoms in patients with heart failure. Furthermore, the improvement in depression lasted the whole duration of the patient's 12-month study period, months after the CASA intervention ended.

Bekelman discussed several next steps in the research, including studying the intervention in a higher-risk or more ill population, and using health technology, such as videoconference, to extend the reach of the CASA intervention.
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In addition to Bekelman, authors of the study included faculty from the CU School of Medicine (Larry A. Allen, MD, MHS; Connor F. McBryde, MD; Brack Hattler, MD; and Edward P. Havranek, MD), the Colorado School of Public Health (Diane L. Fairclough, DrPH), the University of Iowa Carver College of Medicine (Carolyn Turvey, PhD) and the CU College of Nursing (Paula M. Meek, RN, PhD).

The study was supported by funding from the National Institute of Nursing Research, the Colorado Clinical and Translational Sciences Institute, and the VA's Health Services Research and Development Service.

About the University of Colorado School of Medicine

Faculty at the University of Colorado School of Medicine work to advance science and improve care. These faculty members include physicians, educators and scientists at University of Colorado Health, Children's Hospital Colorado, Denver Health, National Jewish Health, and the Denver Veterans Affairs Medical Center. The school is located on the Anschutz Medical Campus, one of four campuses in the University of Colorado system. To learn more about the medical school's care, education, research and community engagement, visit its web site.

University of Colorado Anschutz Medical Campus

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