Gender, race and cardiac rehabilitation in the United States: is there a difference in care?

Patterns of Referral and Postdischarge Utilization of Cardiac Rehabilitation Among Patients Hospitalized With Heart Failure: An Analysis From the GWTG-HF Registry

BACKGROUND

Coverage for cardiac rehabilitation (CR) for patients with heart failure with reduced ejection fraction was expanded in 2014, but contemporary referral and participation rates remain unknown.

METHODS

Patients hospitalized for heart failure with reduced ejection fraction (≤35%) in the American Heart Association Get With The Guidelines-Heart Failure registry from 2010 to 2020 were included, and CR referral status was described as yes, no, or not captured. Temporal trends in CR referral were assessed in the overall cohort. Patient and hospital-level predictors of CR referral were assessed using multivariable-adjusted logistic regression models. Additionally, CR referral and proportional utilization of CR within 1-year of referral were evaluated among patients aged >65 years with available Medicare administrative claims data who were clinically stable for 6-weeks postdischarge. Finally, the association of CR referral with the risk of 1-year death and readmission was evaluated using multivariable-adjusted Cox models.

RESULTS

Of 69,441 patients with heart failure with reduced ejection fraction who were eligible for CR (median age 67 years; 33% women; 30% Black), 17,076 (24.6%) were referred to CR, and referral rates increased from 8.1% in 2010 to 24.1% in 2020 (Ptrend<0.001). Of 8310 patients with Medicare who remained clinically stable 6-weeks after discharge, the CR referral rate was 25.8%, and utilization of CR among referred patients was 4.1% (mean sessions attended: 6.7). Patients not referred were more likely to be older, of Black race, and with a higher burden of comorbidities. In adjusted analysis, eligible patients with heart failure with reduced ejection fraction who were referred to CR (versus not referred) had a lower risk of 1-year death (hazard ratio, 0.84 [95% CI, 0.70-1.00]; P=0.049) without significant differences in 1-year readmission.

CONCLUSIONS

CR referral rates have increased from 2010 to 2020. However, only 1 in 4 patients are referred to CR. Among eligible patients who received CR referral, participation was low, with <1 of 20 participating in CR.

A New Era in Cardiac Rehabilitation Delivery: Research Gaps, Questions, Strategies, and Priorities

Cardiac rehabilitation (CR) is a guideline-recommended, multidisciplinary program of exercise training, risk factor management, and psychosocial counseling for people with cardiovascular disease (CVD) that is beneficial but underused and with substantial disparities in referral, access, and participation. The emergence of new virtual and remote delivery models has the potential to improve access to and participation in CR and ultimately improve outcomes for people with CVD. Although data suggest that new delivery models for CR have safety and efficacy similar to traditional in-person CR, questions remain regarding which participants are most likely to benefit from these models, how and where such programs should be delivered, and their effect on outcomes in diverse populations. In this review, we describe important gaps in evidence, identify relevant research questions, and propose strategies for addressing them. We highlight 4 research priorities: (1) including diverse populations in all CR research; (2) leveraging implementation methodologies to enhance equitable delivery of CR; (3) clarifying which populations are most likely to benefit from virtual and remote CR; and (4) comparing traditional in-person CR with virtual and remote CR in diverse populations using multicenter studies of important clinical, psychosocial, and cost-effectiveness outcomes that are relevant to patients, caregivers, providers, health systems, and payors. By framing these important questions, we hope to advance toward a goal of delivering high-quality CR to as many people as possible to improve outcomes in those with CVD.

Cardiac rehabilitation in women, challenges and opportunities

Cardiac rehabilitation(CR) has known proven benefits in reducing mortality related to cardiovascular disease (CVD), improving quality of life (QoL), and preventing CVD-related readmissions. Despite these known benefits, CR remains underutilized among women relative to men. Disparities exist at the level of referral, enrollment, and program completion. Much is left to be understood regarding the utility of CR in female-predominant CVD such as postpartum cardiomyopathy and Spontaneous Coronary Artery Dissection. This review identifies the benefits of CR for specific populations of women and elucidates on the barriers to CR. We also describe current recommendations to overcome barriers to CR in women.

Barriers to Cardiac Rehabilitation in Ethnic Minority Groups: A Scoping Review

Cardiac rehabilitation (CR) is under-utilized by ethnic minorities. This study aimed to identify barriers associated with referral, enrollment, and completion/adherence of CR for cardiac participants from ethnic minorities. Medline, Embase, Emcare, CINAHL, Pubmed and APA PsycInfo were searched from data inception through January 2020. We excluded studies referring to race minorities, considering barriers reported by providers or family members, and those published in languages other than English or Portuguese. Data was extracted in an individual, provider, and system level. Of 1847 initial citations, 20 studies were included, with most being qualitative in design and classified as "good" quality. Overall, 12 multi-level barriers were identified in the three CR participation phases, with language being present in all phases. Barriers reported in ethnic minority groups are multi-level. Although identified, literature did not support recommendations to overcome these barriers and clearly more research in this area is needed.

Referral to and enrolment in cardiac rehabilitation after open-heart surgery in the Netherlands

AIM

Although referral to phase 2 cardiac rehabilitation (CR) following open-heart surgery is recommended in professional guidelines, according to the literature, participation rates are suboptimal. This study investigates the referral and enrolment rates, as well as determinants for these rates, for phase 2 CR following open-heart surgery via sternotomy.

METHODS

A cross-sectional survey study was conducted among patients who underwent open-heart surgery via sternotomy in a university hospital. Data on referral and enrolment rates and possible factors associated with these rates (age, sex, type of surgery, educational level, living status, employment, income, ethnicity) were collected by a questionnaire or from the patient's medical file. Univariate logistic regression analysis (odds ratio) was used to study associations of patient characteristics with referral and enrolment rates.

RESULTS

Of the 717 eligible patients, 364 (51%) completed the questionnaire. Their median age was 68 years (interquartile range 61-74) and 82 (23%) were female. Rates for referral to and enrolment in phase 2 CR were 307 (84%) and 315 (87%), respectively. Female sex and older age were independently associated with both non-referral and non-enrolment. Additional factors for non-enrolment were surgery type (coronary artery bypass grafting with valve surgery and miscellaneous types of relatively rare surgery), living alone and below-average income.

CONCLUSION

Phase 2 CR referral and enrolment rates for patients following open-heart surgery were well over 80%, suggesting adequate adherence to professional guidelines. During consultation, physicians and specialised nurses should pay more attention to certain patient groups (at risk of non-enrolment females and elderly). In addition, in-depth qualitative research to identify reasons for non-referral and/or non-enrolment is needed.

Does Lifestyle Exercise After a Cardiac Event Improve Metabolic Syndrome Profile in Older Adults?

BACKGROUND

Exercise is a common recommendation to reduce the risk factors of metabolic syndrome, yet there are limited data on the influence of lifestyle exercise after cardiac events on metabolic syndrome factors.

OBJECTIVE

The purpose of this study was to determine whether lifestyle exercise improves metabolic syndrome profile in older adults after a cardiac event.

METHODS

Participants were from a post-cardiac-event lifestyle exercise study. Five metabolic syndrome factors were assessed: waist circumference, triglycerides, high-density lipids, glucose, and systolic and diastolic blood pressure. Objective measures of exercise were obtained from heart rate monitors over a year. Logistic regression was used to determine whether participants who engaged in the minimum recommendation of 130 hours of exercise or greater during the 12-month period improved their metabolic syndrome profile by improving at least 1 metabolic syndrome factor.

RESULTS

In the sample of 116 participants (74% men; average age, 67.5 years), 43% exercised at the recommended amount (≥130 h/y) and 28% (n = 33) improved their metabolic syndrome profile. After controlling for confounding factors of age, gender, race, diabetes, functional ability, and employment, subjects who exercised at least 130 hours a year were 3.6 times more likely to improve at least 1 metabolic syndrome factor (95% confidence interval, 1.24-10.49). Of the 28% who improved their metabolic syndrome profile, 72% increased their high-density lipoprotein and 60.6% reduced their waist circumference and glucose.

CONCLUSIONS

After a cardiac event, older patients who engage in lifestyle exercise at the recommended amount have improvement in their metabolic syndrome profile.

Optimal Gender-Specific Strategies for the Secondary Prevention of Heart Disease in Women: A SYSTEMATIC REVIEW

BACKGROUND

There is a paucity of evidence on gender-specific, individually tailored secondary prevention (cardiac rehabilitation [CR]) services for women with heart disease. Women participate less in CR programs, thus increasing their risk of further cardiac events. This review aims to (1) determine the effectiveness of gender-specific interventions specifically designed for women with heart disease, delivered in outpatient CR settings; and (2) classify key elements of effective CR strategies/models for women with heart disease.

METHODS

Using the PRISMA guidelines, this is a systematic review of CR models tailored to women to improve cardiovascular risk. Four databases were searched for randomized controlled trials (RCTs) between January 1974 and July 2017 published in peer-reviewed English language journals.

RESULTS

Three RCTs comprising 725 women of gender-specific CR strategies were identified. Significant improvements were found in one-third (1 study) of the included multicomponent CR strategies for outcomes including general health, social functioning, vitality, mental health, depression, and quality of life.

CONCLUSION

Further large-scale RCTs are required to replicate positive findings and accurately assess the capacity for gender-specific multicomponent CR programs that incorporate participant-driven collaborative models to moderate psychological risk and improve functional capacity and quality of life for women with heart disease.

Assessing and Modifying Coronary Artery Disease Risk in Women

OPINION STATEMENT

Despite continued advances in the field, cardiovascular disease remains the leading cause of death in women in the USA with an annual mortality rate that has remained higher for women as compared to men. The factors leading to this sex difference remain incompletely understood. Likely contributors include atypical symptoms at presentation and lack of recognition of cardiovascular risk by women and their providers alike. In addition, women have a higher burden of comorbidities at the time of disease diagnosis and can have differential pathophysiological mechanisms of their acute events. Women also can develop unique cardiovascular risk factors such as preeclampsia and hypertensive disorders of pregnancy. As a result, when women present with symptoms, even atypical, healthcare providers should increase their index level of suspicion for cardiovascular disease. Even after diagnosis, women are less likely to receive guideline-directed medical therapies and be referred for coronary angiography or cardiac rehabilitation. Thus, greater awareness of and research into the aspects of coronary disease that remain unique to women is critical, as women presenting with coronary disease continue to receive disparate care as compared to men. Improvements in awareness and care and new research avenues may reduce the incidence and complications of cardiovascular disease among women.