Feb. 14, 2011 Healthcare practitioners can increase the number of patients with heart disease referred to a cardiac rehabilitation program by 40 per cent, helping them to reduce their risk of dying and improve their quality of life, say researchers at the Peter Munk Cardiac Centre.
Previous studies, including one by Taylor in 2004, indicate that participating in cardiac rehab after a cardiac illness, such as a heart attack, can reduce the risk of death by approximately 25 per cent, a reduction similar to that of other standard therapies such as cholesterol-lowering medications (statins) and aspirin. In spite of this evidence, only 20 to 30 per cent of patients are referred to a cardiac rehabilitation program after hospital discharge, a phenomenon observed in many countries.
Researchers at the Peter Munk Cardiac Centre explored multiple strategies to increase referrals to cardiac rehabilitation programs at 11 hospitals across Ontario, including using a discharge checklist for doctors and allied health professionals, electronic referral in medical records and talking with patients at the bedside.
According to the study, "Effect of Cardiac Rehabilitation Referral Strategies on Utilization Rates," published in the February 14 edition of the Journal Archives of Internal Medicine, a combined approach -- a checklist or electronic referral and talking with patients -- can increase referrals by 45 per cent. By targeting both healthcare providers and patients, over 70 per cent of eligible patients enroll in cardiac rehab.
"Every patient discharged from the hospital with a heart condition should be referred to a cardiac rehab program," says Dr. Sherry Grace, principal investigator and Director of Research for the Cardiovascular Rehabilitation and Prevention Program at the Peter Munk Cardiac Centre, University Health Network.
"Cardiac rehab is a key component of the continuum of cardiac care. We shouldn't just discharge patients from the hospital without ensuring there is a link to these proven rehab services to support patients in their recovery," says Dr. Grace, who is also an associate professor in the School of Kinesiology & Health Science at York University.
Cardiac rehabilitation offers a comprehensive approach to health by combining medical treatments and lifestyle modification. Patients are able to benefit from a variety of services, including: education sessions, nutritional assessment with a dietician, risk factor treatment (hypertension, cholesterol and smoking cessation) by physicians and nurse practitioners, medication review with a pharmacist, targeted exercise prescription by an exercise physiologist, nurse or kinesiologist and supervised exercise.
Joe Walters, a 55 year old supervisor, lost 30 pounds through the Centre's Cardiac Rehabilitation Program at Toronto Western Hospital (TWH) after having being diagnosed with an irregular heart beat in August 2009.
"The cardiac rehab program was truly motivational. It opened my eyes to the number of people who have heart problems like me, and it was refreshing to know it came with a built-in support network," says Joe who notes work-related stress contributed to his weight gain and heart trouble. "I highly recommend a cardiac rehab program for anyone with a heart condition."
Joe graduated from the program in April 2010, but continues to attend classes to keep the weight off.
Dr. Caroline Chessex, Clinical Director of the Cardiovascular Rehabilitation and Prevention Program at the Peter Munk Cardiac Centre, is part of a multidisciplinary team who treats patients like Joe by developing a personalized exercise program tailored to each patient's cardiac risk profile.
"Our goal is to develop strategies for patients to reduce or eliminate their risk of coronary artery disease, prevent or minimize hospitalization, decrease mortality and improve quality of life," says Dr. Chessex, noting that patients can prolong their life and reduce their risk of having a second heart attack, or needing a second heart surgery.
Beyond the physical and psychological benefits, cardiac rehabilitation saves money. Cardiac bypass surgery, the most common type of open-heart surgery, costs approximately $23,000 for each patient, but rehabilitation costs $1,000-1,500 per patient.
"The return on investment is obvious. Focusing on expensive cardiac interventions and then discharging patients without a systematic approach for support just doesn't make sense," says Dr. Grace. "Cardiac rehab is the right step towards prevention and it saves money."
The Canadian Institutes of Health Research (CIHR) and Heart and Stroke Foundation funded this study.
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- Sherry L. Grace et al. Effect of Cardiac Rehabilitation Referral Strategies on Utilization Rates A Prospective, Controlled Study. Arch Intern Med., 2011;171(3):235-241 DOI: 10.1001/archinternmed.2010.501
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