Acute coronary syndromes: cardiac rehabilitation programmes and quality of life

Effects of Supervised Cardiac Rehabilitation Programmes on Quality of Life among Myocardial Infarction Patients: A Systematic Review and Meta-Analysis

Coronary heart disease is the leading cause of death and disability worldwide. Traditionally, cardiac rehabilitation programmes are offered after cardiac events to aid recovery, improve quality of life, and reduce adverse events. The objective of this review was to assess the health-related quality of life, after a supervised cardiac rehabilitation programme, of patients who suffered a myocardial infarction. A systematic review was carried out in the CINAHL, Cochrane, LILACS, Medline, Scopus, and SciELO databases, according to the Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) guidelines. Randomised controlled trials were selected. Meta-analyses were performed for the Short Form Health Survey SF-36, Myocardial Infarction Dimensional Assessment Scale (MIDAS), MacNew Heart Disease-Health-Related Quality of Life (HRQL) questionnaire, and European Quality of Life-Visual Analogue Scale (EuroQol-VAS) with the software Cochrane RevMan Web. Ten articles were found covering a total of 3577 patients. In the meta-analysis, the effect size of the cardiac rehabilitation programme was statistically significant in the intervention group for physical activity, emotional reaction, and dependency dimensions of the MIDAS questionnaire. For the control group, the score improved for SF-36 physical functioning, and body pain dimensions. The mean difference between the control and intervention group was not significant for the remaining dimensions, and neither for the MacNew Heart Disease-HRQL and EuroQol-VAS questionnaires. Supervised cardiac rehabilitation programmes were effective in improving health-related quality of life, however, there was a potential variability in the interventions; therefore, the results should be interpreted with caution. This study supports the importance of providing care and evaluating interventions via the supervision of trained health professionals, and further randomised clinical trials are needed to analyse the positive changes in mental and physical health outcomes.

The effect of education and telephone follow-up intervention based on the Roy Adaptation Model after myocardial infarction: randomised controlled trial

BACKGROUND

Patients' lifestyle changes after myocardial infarction reduce the risk of infarction. Nursing interventions are important for the initiation and maintenance of lifestyle adaptation.

AIM

The aim of this study was to evaluate the effect of education and telephone follow-up intervention based on the Roy Adaptation Model for improving myocardial infarction patients' self-efficacy, quality of life and lifestyle adaptation.

METHOD

In this parallel, randomised controlled trial, patients were randomly allocated to a control group or an intervention group (n = 33/group). The control group received routine care, while the intervention group received routine care plus a telephone follow-up intervention, which consisted of a predischarge education programme and three telephone follow-up sessions. Data were collected before discharge, in the 12th week after discharge between April 2016 and August 2017. All outcomes were assessed at baseline and at 12 weeks, and included quality of life, coping adaptation process, self-efficacy and lifestyle changes. The CONSORT checklist was used in the study.

RESULTS

In the 12th week after discharge, patients in the intervention group had significant improvements in self-efficacy, quality of life and coping adaptation process compared with the control group. The intervention group also had more adaptation lifestyle changes concerning patients nutrition and physical activity in the 12-week follow-up.

CONCLUSION

This study demonstrated that education and telephone follow-up intervention based on Roy Adaptation Model was had positive and significant results after 12 weeks compared with usual care. The findings of this study are important for supporting nursing practice and health professionals who care for individuals with myocardial infarction to develop nursing care.

The Process of Patient Engagement in Cardiac Rehabilitation: A Model-Centric Systematic Review

This study aimed to compile existing evidence about the proposed relationships among variables at three stages of the model of therapeutic engagement (MTE): patient intention to engage in cardiac rehabilitation (CR), CR initiation, and sustained engagement. This model has not been tested in any rehabilitation setting. Therefore, this systematic literature review is key to future research and application of MTE to predict and enhance patient engagement in CR. Model-centric systematic literature reviews have been conducted for each stage of the MTE. A coherent approach to understanding and monitoring the process of patient engagement in CR is absent. Few relevant studies included in the model-centric reviews met the criteria: eight in stage 1, four in stage 2, and six in stage 3 of the MTE. In total, the tenets of the MTE were supported in patient intention to engage in CR. However, there was less evidence quantifying the proposed relationships among variables that impact on CR initiation and sustained engagement. There is a scarcity of research examining rehabilitation engagement in depth to better understand the complicated process contributing to behavioural outcomes. No decision-support models currently exist to alert patients and healthcare provider to the factors that influence non-engagement.

Patient education in the management of coronary heart disease

BACKGROUND

Coronary heart disease (CHD) is the single most common cause of death globally. However, with falling CHD mortality rates, an increasing number of people live with CHD and may need support to manage their symptoms and improve prognosis. Cardiac rehabilitation is a complex multifaceted intervention which aims to improve the health outcomes of people with CHD. Cardiac rehabilitation consists of three core modalities: education, exercise training and psychological support. This is an update of a Cochrane systematic review previously published in 2011, which aims to investigate the specific impact of the educational component of cardiac rehabilitation.

OBJECTIVES

1. To assess the effects of patient education delivered as part of cardiac rehabilitation, compared with usual care on mortality, morbidity, health-related quality of life (HRQoL) and healthcare costs in patients with CHD.2. To explore the potential study level predictors of the effects of patient education in patients with CHD (e.g. individual versus group intervention, timing with respect to index cardiac event).

SEARCH METHODS

We updated searches from the previous Cochrane review, by searching the Cochrane Central Register of Controlled Trials (CENTRAL) (Cochrane Library, Issue 6, 2016), MEDLINE (Ovid), Embase (Ovid), PsycINFO (Ovid) and CINAHL (EBSCO) in June 2016. Three trials registries, previous systematic reviews and reference lists of included studies were also searched. No language restrictions were applied.

SELECTION CRITERIA

1. Randomised controlled trials (RCTs) where the primary interventional intent was education delivered as part of cardiac rehabilitation.2. Studies with a minimum of six-months follow-up and published in 1990 or later.3. Adults with a diagnosis of CHD.

DATA COLLECTION AND ANALYSIS

Two review authors independently screened all identified references for inclusion based on the above inclusion criteria. One author extracted study characteristics from the included trials and assessed their risk of bias; a second review author checked data. Two independent reviewers extracted outcome data onto a standardised collection form. For dichotomous variables, risk ratios and 95% confidence intervals (CI) were derived for each outcome. Heterogeneity amongst included studies was explored qualitatively and quantitatively. Where appropriate and possible, results from included studies were combined for each outcome to give an overall estimate of treatment effect. Given the degree of clinical heterogeneity seen in participant selection, interventions and comparators across studies, we decided it was appropriate to pool studies using random-effects modelling. We planned to undertake subgroup analysis and stratified meta-analysis, sensitivity analysis and meta-regression to examine potential treatment effect modifiers. We used the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach to evaluate the quality of the evidence and the GRADE profiler (GRADEpro GDT) to create summary of findings tables.

MAIN RESULTS

This updated review included a total of 22 trials which randomised 76,864 people with CHD to an education intervention or a 'no education' comparator. Nine new trials (8215 people) were included for this update. We judged most included studies as low risk of bias across most domains. Educational 'dose' ranged from one 40 minute face-to-face session plus a 15 minute follow-up call, to a four-week residential stay with 11 months of follow-up sessions. Control groups received usual medical care, typically consisting of referral to an outpatient cardiologist, primary care physician, or both.We found evidence of no difference in effect of education-based interventions on total mortality (13 studies, 10,075 participants; 189/5187 (3.6%) versus 222/4888 (4.6%); random effects risk ratio (RR) 0.80, 95% CI 0.60 to 1.05; moderate quality evidence). Individual causes of mortality were reported rarely, and we were unable to report separate results for cardiovascular mortality or non-cardiovascular mortality. There was evidence of no difference in effect of education-based interventions on fatal and/or non fatal myocardial infarction (MI) (2 studies, 209 participants; 7/107 (6.5%) versus 12/102 (11.8%); random effects RR 0.63, 95% CI 0.26 to 1.48; very low quality of evidence). However, there was some evidence of a reduction with education in fatal and/or non-fatal cardiovascular events (2 studies, 310 studies; 21/152 (13.8%) versus 61/158 (38.6%); random effects RR 0.36, 95% CI 0.23 to 0.56; low quality evidence). There was evidence of no difference in effect of education on the rate of total revascularisations (3 studies, 456 participants; 5/228 (2.2%) versus 8/228 (3.5%); random effects RR 0.58, 95% CI 0.19 to 1.71; very low quality evidence) or hospitalisations (5 studies, 14,849 participants; 656/10048 (6.5%) versus 381/4801 (7.9%); random effects RR 0.93, 95% CI 0.71 to 1.21; very low quality evidence). There was evidence of no difference between groups for all cause withdrawal (17 studies, 10,972 participants; 525/5632 (9.3%) versus 493/5340 (9.2%); random effects RR 1.04, 95% CI 0.88 to 1.22; low quality evidence). Although some health-related quality of life (HRQoL) domain scores were higher with education, there was no consistent evidence of superiority across all domains.

AUTHORS' CONCLUSIONS

We found no reduction in total mortality, in people who received education delivered as part of cardiac rehabilitation, compared to people in control groups (moderate quality evidence). There were no improvements in fatal or non fatal MI, total revascularisations or hospitalisations, with education. There was some evidence of a reduction in fatal and/or non-fatal cardiovascular events with education, but this was based on only two studies. There was also some evidence to suggest that education-based interventions may improve HRQoL. Our findings are supportive of current national and international clinical guidelines that cardiac rehabilitation for people with CHD should be comprehensive and include educational interventions together with exercise and psychological therapy. Further definitive research into education interventions for people with CHD is needed.

Implementing a working together model for Aboriginal patients with acute coronary syndrome: an Aboriginal Hospital Liaison Officer and a specialist cardiac nurse working together to improve hospital care

Acute coronary syndrome (ACS) contributes to the disparity in life expectancy between Aboriginal and non-Aboriginal Australians. Improving hospital care for Aboriginal patients has been identified as a means of addressing this disparity. This project developed and implemented a working together model of care, comprising an Aboriginal Hospital Liaison Officer and a specialist cardiac nurse, providing care coordination specifically directed at improving attendance at cardiac rehabilitation services for Aboriginal Australians in a large metropolitan hospital in Melbourne. A quality improvement framework using a retrospective case notes audit evaluated Aboriginal patients' admissions to hospital and identified low attendance rates at cardiac rehabilitation services. A working together model of care coordination by an Aboriginal Hospital Liaison Officer and a specialist cardiac nurse was implemented to improve cardiac rehabilitation attendance in Aboriginal patients admitted with ACS to the cardiac wards of the hospital. A retrospective medical records audit showed that there were 68 Aboriginal patients admitted to the cardiac wards with ACS from 1 July 2008 to 30 June 2011. A referral to cardiac rehabilitation was recorded for 42% of these. During the implementation of the model of care, 13 of 15 patients (86%) received a referral to cardiac rehabilitation and eight of the 13 (62%) attended. Implementation of the working together model demonstrated improved referral to and attendance at cardiac rehabilitation services, thereby, has potential to prevent complications and mortality. WHAT IS KNOWN ABOUT THE TOPIC?: Aboriginal Australians experience disparities in access to recommended care for acute coronary syndrome. This may contribute to the life expectancy gap between Aboriginal and non-Aboriginal Australians. WHAT DOES THIS PAPER ADD?: This paper describes a model of care involving an Aboriginal Hospital Liaisons Officer and a specialist cardiac nurse working together to improve hospital care and attendance at cardiac rehabilitation services for Aboriginal Australians with acute coronary syndrome. WHAT ARE THE IMPLICATIONS FOR PRACTITIONERS?: The working together model of care could be implemented across mainstream health services where Aboriginal people attend for specialist care.

The effect of cardiac rehabilitation on quality of life in patients with acute coronary syndrome

BACKGROUND

Acute coronary syndrome is one of the major cardiovascular diseases that leads to a significant amount of morbidity. The purpose of the present study was to investigate the effect of cardiac rehabilitation on quality of life in patients with acute coronary syndrome.

MATERIALS AND METHODS

This was a clinical trial study conducted on 50 patients with acute coronary syndrome admitted to the coronary care units of Shohada Hospital in Isfahan in 2013-2014. The participants were randomly assigned to control (n = 25) and study (n = 25) groups. The study group received cardiac rehabilitation in phase 1 and 2. Phase 1 was conducted in a hospital in Isfahan province that had no cardiac rehabilitation center but had minimal cardiac rehabilitation equipments. Phase 2 was conducted at home by follow-up through telephone and referring the patients to the hospital. The control group received usual cardiac rehabilitation. The data were collected via a demographic questionnaire and SF-36 quality of life questionnre before and 1 month after intervention by the researcher. Data were analyzed by independent samples t-test.

RESULTS

In the study group, the mean scores in all domains of quality of life increased significantly after intervention (P < 0.05). In the control group, the mean scores of quality of life were not significantly different before and after intervention (P < 0.05). A significant difference was found between the study and control groups in all domains of quality of life except for general health and social function (P < 0.05) in favor of the study group.

CONCLUSIONS

The results of this study showed that cardiac rehabilitation program could lead to improving the quality of life in the patients with acute coronary syndrome.

Association between number of comorbid medical conditions and depression among individuals with diabetes; race and ethnic variations

BACKGROUND

Medical and psychiatric comorbidities are commonly comorbid with diabetes. Race and ethnicity may, however, modify the link between medical and psychiatric comorbidities in individuals with diabetes. In this study we compared Non-Hispanic Whites, African Americans, and Caribbean Blacks with diabetes for the association between number of comorbid medical conditions and lifetime and 12-month major depressive disorder (MDD) in individuals with diabetes.

METHODS

Data came from the National Survey of American Life (NSAL), 2001-2003. We included 603 patients with diabetes (75 non-Hispanic Whites, 396 African Americans, and 131 Caribbean Blacks). Number of comorbid medical conditions was the independent variable, lifetime and 12-month MDD were dependent variables, and age, gender, education, marital status, employment, and body mass index were covariates. Race- and ethnic- specific logistic regressions were used to determine race and ethnic differences in the associations between number of chronic medical conditions and lifetime and 12-month MDD, while the effect of all covariates were controlled.

RESULTS

Number of chronic medical conditions was positively associated with lifetime MDD among non-Hispanic Whites (OR = 1.719, 95 % CI = 1.018 - 2.902) and African Americans (OR = 1.235, 95 % CI = 1.056- 1.445) but not Caribbean Blacks (P > .05). Number of chronic medical conditions was also associated with 12-month MDD among non-Hispanic Whites (OR = 1.757, 95 % CI = 1.119 - 2.759) and African Americans (OR = 1.381, 95 % CI = 1.175 - 1.623) but not Caribbean Blacks (P > .05).

CONCLUSIONS

This study shows race- and ethnic- differences in the association between number of medical comorbidities and MDD among patients with diabetes. These findings invite researchers to study the mechanisms behind race- and ethnic- differences in vulnerability and resilience to the mental health effects of chronic medical conditions.

Evaluating the angina plan in patients admitted to hospital with angina: a randomized controlled trial

The aim of this trial was to evaluate the Angina Plan (AP), a cognitive-behavioral nurse-facilitated self-help intervention against standard care (SC). A randomized controlled trial of 218 patients hospitalized with angina assessed participants predischarge and 6 months later. Data were collected during a structured interview using validated questionnaires, self-report, and physiological measurement to assess between group changes in mood, knowledge and misconceptions, cardiovascular risk, symptoms, quality of life, and health service utilization. The intention-to-treat (ITT) analysis found no reliable effects on anxiety and depression at 6 months. AP participants reported increased knowledge, less misconceptions, reduced body mass index (BMI), an increase in self-reported exercise, less functional limitation, and improvements in general health perceptions and social and leisure activities compared to those receiving SC. Sensitivity analysis excluding participants with high baseline depression revealed a statistical significant reduction in depression levels in AP compared to the SC participants. Analysis excluding participants receiving cardiac surgery or angioplasty removed the ITT effects on physical limitation, self-reported exercise and general health perceptions and the improvements seen in social and leisure activities, while adaptive effects on knowledge, misconceptions and BMI remained and between-group changes in depression approached significance. Initiating the AP in a secondary care setting for patients with new and existing angina produces similar benefits to those reported in newly diagnosed primary care patients. Further evaluation is required to examine the extent of observed effects in the longer term.

Global availability of cardiac rehabilitation

Cardiovascular disease (CVD) is the most-prevalent noncommunicable disease and leading cause of death globally. Over 80% of deaths from CVD occur in low-income and middle-income countries (LMICs). To limit the socioeconomic impact of CVD, a comprehensive approach to health care is needed. Cardiac rehabilitation delivers a cost-effective and structured exercise, education, and risk reduction programme, which can reduce mortality by up to 25% in addition to improving a patient's functional capacity and lowering rehospitalization rates. Despite these benefits and recommendations in clinical practice guidelines, cardiac rehabilitation programmes are grossly under-used compared with revascularization or medical therapy for patients with CVD. Worldwide, only 38.8% of countries have cardiac rehabilitation programmes. Specifically, 68.0% of high-income and 23% of LMICs (8.3% for low-income and 28.2% for middle-income countries) offer cardiac rehabilitation programmes to patients with CVD. Cardiac rehabilitation density estimates range from one programme per 0.1 to 6.4 million inhabitants. Multilevel strategies to augment cardiac rehabilitation capacity and availability at national and international levels, such as supportive public health policies, systematic referral strategies, and alternative models of delivery are needed.

Reasons for participation and non-participation in a diabetes prevention trial among women with prior gestational diabetes mellitus (GDM)

BACKGROUND

Gestational diabetes mellitus (GDM) is a risk factor for the development of type 2 diabetes. Lifestyle intervention can prevent progression to type 2 diabetes in high risk populations. We designed a randomised controlled trial (RCT) to evaluate the effectiveness of an established lifestyle intervention compared to standard care for delaying diabetes onset in European women with recent GDM. Recruitment into the RCT was more challenging than anticipated with only 89 of 410 (22%) women agreeing to participate. This paper identifies factors that could enhance participation of the target population in future interventions.

METHODS

We hypothesised that women who agreed to participate would have higher diabetes risk profiles than those who declined, and secondly that it would be possible to predict participation on the bases of those risk factors. To test our hypothesis, we identified the subset of women for whom we had comprehensive data on diabetes risks factors 3-5 years following GDM, reducing the sample to 43 participants and 73 decliners. We considered established diabetes risk factors: smoking, daily fruit and vegetable intake, participation in exercise, family history of diabetes, glucose values and BMI scores on post-partum re-screens, use of insulin during pregnancy, and age at delivery. We also analysed narrative data from 156 decliners to further understand barriers to and facilitators of participation.

RESULTS

Two factors differentiated participants and decliners: age at delivery (with women older than 34 years being more likely to participate) and insulin use during pregnancy (with women requiring the use of insulin in pregnancy less likely to participate). Binary logistic regression confirmed that insulin use negatively affected the odds of participation. The most significant barriers to participation included the accessibility, affordability and practicality of the intervention.

CONCLUSIONS

Women with recent GDM face multiple barriers to lifestyle change. Intervention designers should consider: (i) the practicalities of participation for this population, (ii) research designs that capitalise on motivational differences between participants, (iii) alleviating concerns about long-term diabetes management. We hope this work will support future researchers in developing interventions that are more relevant, effective and successful in recruiting the desired population.

TRIAL REGISTRATION

Current Controlled Trials ISRCTN41202110.

Comparison of uptake and predictors of adherence in primary and secondary prevention of cardiovascular disease in a community-based cardiovascular prevention programme (MyAction Westminster)

BACKGROUND

Despite the benefits of cardiac rehabilitation, uptake and adherence remain suboptimal. With the advent of NHS Health Checks, primary prevention programmes have also been advocated, but little is known about uptake and adherence rates. This study examined rates and predictors of adherence amongst patients with cardiovascular disease (CVD) and those at high multifactorial risk (HRI) attending an innovative programme integrating primary and secondary prevention.

METHODS

Comparison of rates of uptake and adherence and also predictors of adherence between 401 CVD patients and 483 HRI. The outcome was the number of sessions attended and predictor variables included clinical and psychosocial variables. Differences between groups were examined using t-tests and non-parametric tests. Multivariable regression analyses examined predictors of adherence.

RESULTS

Uptake to the assessment (CVD: 97%, HRI: 88%) and the programme (CVD: 78%, HRI: 74%) were high for both groups. An average of 8/12 was attended in both groups. Beliefs about treatment predicted adherence for both groups (P < 0.01). The alcohol causal belief also predicted poorer adherence amongst CVD patients (P < 0.02). Older age also predicted better adherence amongst HRI (P < 0.001).

CONCLUSIONS

Rates of uptake and adherence were high for both HRI and CVD patients. Further research is needed to examine whether interventions targeting predictor variables further improve adherence.

Comorbidity influences multiple aspects of well-being of patients with ischemic heart disease

BACKGROUND

Comorbidity is prevalent among patients with Ischemic Heart Disease (IHD) and may influence patients' subjective and objective domains of well-being.

OBJECTIVES

We aimed to investigate the associations between comorbidity and different measures of well-being (i.e. health related quality of life, psychological distress, sleep quality, and dyadic adjustment) among patients with IHD.

METHODS

In this cross-sectional study, 796 outpatients with documented IHD were enrolled from an outpatient cardiology clinic in 2006. Comorbidity (Ifudu index), quality of life (SF36), psychological distress (Hospital Anxiety Depression Scale; HADS), sleep quality (Pittsburg Sleep Quality Index; PSQI), and dyadic adjustment quality (Revised Dyadic Adjustment Scale; RDAS) were measured. Associations between comorbidity and different measures of well-being were determined.

RESULTS

Significant correlations were found between comorbidity score and all measures of well-being. Comorbidity score was correlated with physical quality of life (r = -0.471, P < 0.001), mental quality of life (r = -0.447, P < 0.001), psychological distress (r = 0.344, P < 0.001), sleep quality (r = 0.358, P < 0.001), and dyadic adjustment (r = -0.201, P < 0.001).

CONCLUSIONS

This study showed a consistent pattern of associations between somatic comorbidities and multiple aspects of well-being among patients with IHD. Findings may increase cardiologists' interest to identify and treat somatic conditions among IHD patients.

The effect of individual education on patients' physical activity capacity after myocardial infarction

The present study aims to determine the effects of individual education and counselling given to first-time myocardial infarction patients, including its effect on compliance with treatment. The sample comprised 90 patients, 45 in the intervention and 45 in the control group, selected by sequential sampling from first-time myocardial infarction patients. Data were collected between April and November 2008 by means of patient information form, International Physical Activity Questionnaire, 6 min walk test, Modified Borg Scale, Morisky Medication Adherence Scale and Canadian Cardiovascular Society Angina Grade Classification. In the intervention group more improvement was observed in comparison with the control group in terms of frequency of physical activity, body mass index and waist circumference. It was observed that the intervention group's metabolic equivalent of task values and 6 min walk test distance increased more in comparison with the control group 3 months after baseline, and there was a statistically significant difference. The results indicated that individual education and counselling provided to patients having experienced acute myocardial infarction increased functional capacity by providing patients with advice on how to lose weight and by improving compliance with treatment through physical activity behaviours (frequency and duration).

The effect of individual training and counselling programme for patients with myocardial infarction over patients' quality of life

The aim of the present study was to identify the effect of individual training and counselling programme for patients having experienced myocardial infarction over patients' quality of life. The sample was composed of 90 patients, 45 in the intervention and 45 in the control group, selected by sequential sampling from patients who had myocardial infarction for the first time. Data were collected between April and November 2008 by means of patient information form, Myocardial Infarction Dimensional Assessment Scale MIDAS, and Short Form SF-36. In the intervention group, more improvement was observed in comparison with the control group in terms of quitting smoking, physical activity, body mass index, waist circumference (mean differences P = 0.000). A significant difference was observed in the third month of evaluation of both MIDAS and SF-36 quality of life scales in comparison with the baseline values (P ≤ 0.000). The results indicated that individual training and counselling provided to patients having experienced acute myocardial infarction lead to improvement in quality of life and decrease risk factors by increasing behaviours that protect cardiac health. Such educational programmes should be applied to patients with acute myocardial infarction prior to discharge.

Patient education in the management of coronary heart disease

BACKGROUND

Cardiac rehabilitation (CR) is a complex multifaceted intervention consisting of three core modalities: education, exercise training and psychological support. Whilst exercise and psychological interventions for patients with coronary heart disease (CHD) have been the subject of Cochrane systematic reviews, the specific impact of the educational component of CR has not previously been investigated.

OBJECTIVES

1. Assess effects of patient education on mortality, morbidity, health-related quality of life (HRQofL) and healthcare costs in patients with CHD.2. Explore study level predictors of the effects of patient education (e.g. individual versus group intervention, timing with respect to index cardiac event).

SEARCH METHODS

The following databases were searched: The Cochrane Library, (CENTRAL, CDSR, DARE, HTA, NHSEED), MEDLINE (OVID), EMBASE (OVID), PsycINFO (EBSCOhost) and CINAHL (EBSCOhost). Previous systematic reviews and reference lists of included studies were also searched. No language restrictions were applied.

SELECTION CRITERIA

1. Randomised controlled trials (RCTs) where the primary interventional intent was education.2. Studies with a minimum of six-months follow-up and published in 1990 or later.3. Adults with diagnosis of CHD.

DATA COLLECTION AND ANALYSIS

Two review authors selected studies and extracted data. Attempts were made to contact all study authors to obtain relevant information not available in the published manuscript. For dichotomous variables, risk ratios and 95% confidence intervals (CI) were derived for each outcome. For continuous variables, mean differences and 95% CI were calculated for each outcome.

MAIN RESULTS

Thirteen RCTs involving 68,556 subjects with CHD and follow-up from six to 60 months were found. Overall, methodological quality of included studies was moderate to good. Educational 'dose' ranged from a total of two clinic visits to a four-week residential stay with 11 months of follow-up sessions. Control groups typically received usual medical care. There was no strong evidence of an effect of education on all-cause mortality (Relative Risk (RR): 0.79, 95% CI 0.55 to 1.13), cardiac morbidity (subsequent myocardial infarction RR: 0.63, 95% CI 0.26 to 1.48, revascularisation RR: 0.58, 95% CI 0.19 to 1.71) or hospitalisation (RR: 0.83, 95% CI:0.65 to 1.07). Whilst some HRQofL domain scores were higher with education, there was no consistent evidence of superiority across all domains. Different currencies and years studies were performed making direct comparison of healthcare costs challenging, although there is evidence to suggest education may be cost-saving by reducing subsequent healthcare utilisation.This review had insufficient power to exclude clinically important effects of education on mortality and morbidity of patients with CHD.

AUTHORS' CONCLUSIONS

We did not find strong evidence that education reduced all cause mortality, cardiac morbidity, revascularisation or hospitalisation compared to control. There was some evidence to suggest that education may improve HRQofL and reduce overall healthcare costs. Whilst our findings are generally supportive of current guidelines that CR should include not only exercise and psychological interventions, further research into education is needed.

Short-term effect of motivational interviewing on clinical and psychological outcomes and health-related quality of life in cardiac rehabilitation patients with poor motivation in Hong Kong: a randomized controlled trial

BACKGROUND

Motivational interviewing (MI) is effective in promoting behavioural changes in patients with substance abuse and smoking. However, its effectiveness on health outcomes in cardiac rehabilitation patients is unclear.

DESIGN

A randomized controlled trial.

METHOD

A total of 146 patients assessed as having poor motivation attended a cardiac rehabilitation programme from February 2008 to June 2010. Patients (n = 73) in the control group received usual care while those in the experimental group (n = 73) received usual care plus four sessions of MI, each lasting 30-45 min. Clinical and psychological outcomes and health-related quality of life were measured at baseline and 3 months after entering the programme. Descriptive statistics, independent t-test, Pearson Chi-squared test, and generalized estimating equations models were used to analyse the data.

RESULTS

There was no significant difference between the two groups on clinical outcomes (all p-values >0.05). Patients in the experimental group had higher increases in health-related quality of life (SF-36) scores in the aspects of general health (4.74, 95% CI 0.04-9.44; p = 0.048) and role limitation due to emotional problems (8.80, 95% CI 1.16-16.43; p = 0.024). However, they reported significantly higher increases in anxiety levels (Hospital Anxiety and Depression Scale) than those in the control group (0.96, 95% CI 0.09-1.83; p = 0.030).

CONCLUSION

The short-term effectiveness of MI on clinical outcomes and health-related quality of life in poorly motivated cardiac rehabilitation patients is limited. MI, however, was shown to increase anxiety levels of patients during the study period (3 months). More evidence is needed to better understand this phenomenon in the future studies.

Cardiac rehabilitation outcomes in a conventional versus telemedicine-based programme

We studied patients who were eligible for phase II cardiac rehabilitation. Rehabilitation was delivered either conventionally or by telemedicine using videoconferencing. There were 226 participants: 173 at the conventional site and 53 at the telemedicine site. At baseline, blood pressure, anthropometric measurements, lipid profiles, activity levels, dietary intake and behaviours were assessed. Assessments at baseline were repeated after 12 weeks, at the end of the rehabilitation programme. There were no significant differences ( P > 0.05) in the change from baseline to post-programme values between the conventional and the telemedicine groups. The results show the suitability of telemedicine for delivering cardiac rehabilitation for risk factor modification and exercise monitoring to patients who otherwise would not have access to it.

Influence of a symptom management telehealth intervention on older adults' early recovery outcomes after coronary artery bypass surgery

OBJECTIVE

The study objective was to examine the effect of a symptom management (SM) telehealth intervention on physical activity and functioning and to describe the health care use of older adult patients (aged > 65 years) after coronary artery bypass surgery (CABS) by group (SM intervention group and usual care group).

METHODS

A randomized clinical trial design was used. The study was conducted in 4 Midwestern tertiary hospitals. The 6-week SM telehealth intervention was delivered by the Health Buddy (Health Hero Network, Palo Alto, CA). Measures included Modified 7-Day Activity Interview, RT3 accelerometer (Stayhealthy, Inc, Monrovia, CA), physical activity and exercise diary, Medical Outcomes Study Short-Form 36, and subjects' self-report and provider records of health care use. Follow-up times were 3 and 6 weeks and 3 and 6 months after CABS.

RESULTS

Subjects (N = 232) had a mean age of 71.2 (+4.7) years. There were no significant interactions using repeated-measures analyses of covariance. There was a significant group effect for average kilocalories/kilogram/day of estimated energy expenditure as measured by the RT3 accelerometer, with the usual care group having a higher estimated energy expenditure. Both groups had significant improvements over time for role-physical, vitality, and mental functioning. Both groups had similar health care use.

CONCLUSION

Subjects were able to return to preoperative levels of functioning between 3 and 6 months after CABS and to increase their physical activity over reported preoperative levels of activity. Further study of those patients undergoing CABS who could derive the most benefit from the SM intervention is warranted.

Rehabilitation and guidance as reported by women and men who had undergone coronary bypass surgery

AIMS AND OBJECTIVES

The purpose of this study was to describe the experience of rehabilitation reported by coronary artery disease patients who had undergone coronary artery bypass surgery. A further purpose was to describe the kind of guidance on rehabilitation that they were given during this period.

METHODS

The data consisted of thematic questionnaires completed by six women and eight men who had undergone coronary artery bypass surgery. They had recorded their experiences on these questionnaires at one-month intervals for a year after the surgery. The data were analysed using the method of content analysis.

RESULTS

On the basis of the results, women had experienced the most balanced period of physical, mental and social rehabilitation during the six months following surgery. Their recovery, however, suffered a setback after the first six months. On the basis of the results, men attained a better balance of physical, mental and social rehabilitation only after the six-month period following surgery. Even men had various problems in their rehabilitation, but their recovery proceeded more smoothly than that of women. Women hoped for more guidance throughout the process of rehabilitation. The support and help from wives had a positive impact on the process of men's recovery. Peer support was another significant source support.

CONCLUSIONS

A person undergoing rehabilitation needs special guidance from health care professionals, especially when his/her rehabilitation does not proceed optimally. The findings suggest that, especially, the guidance of women should be improved because women seemed to suffer from many problems during their process of rehabilitation, including loneliness, insecurity, uncertainty, fears, depression and anxiety.

RELEVANCE TO CLINICAL PRACTICE

Expanding the role of practical nurses to provide both preventive and rehabilitation guidance should be seen as an important strategy in health care. Individual needs, gender differences and support from families and peers should be taken into consideration when planning and implementing guidance.

Health related quality of life trajectories and predictors following coronary artery bypass surgery

BACKGROUND

Many studies have demonstrated that health related quality of life (HRQoL) improves, on average, after coronary artery bypass graft surgery (CABGS). However, this average improvement may not be realized for all patients, and it is possible that there are two or more distinctive groups with different, possibly non-linear, trajectories of change over time. Furthermore, little is known about the predictors that are associated with these possible HRQoL trajectories after CABGS.

METHODS

182 patients listed for elective CABGS at The Royal Melbourne Hospital completed a postal battery of questionnaires which included the Short-Form-36 (SF-36), Profile of Mood States (POMS) and the Everyday Functioning Questionnaire (EFQ). These data were collected on average a month before surgery, and at two months and six months after surgery. Socio-demographic and medical characteristics prior to surgery, as well as surgical and post-surgical complications and symptoms were also assessed. Growth curve and growth mixture modelling were used to identify trajectories of HRQoL.

RESULTS

For both the physical component summary scale (PCS) and the mental component summary scale (MCS) of the SF-36, two groups of patients with distinct trajectories of HRQoL following surgery could be identified (improvers and non-improvers). A series of logistic regression analyses identified different predictors of group membership for PCS and MCS trajectories. For the PCS the most significant predictors of non-improver membership were lower scores on POMS vigor-activity and higher New York Heart Association dyspnoea class; for the MCS the most significant predictors of non-improver membership were higher scores on POMS depression-dejection and manual occupation.

CONCLUSION

It is incorrect to assume that HRQoL will improve in a linear fashion for all patients following CABGS. Nor was there support for a single response trajectory. It is important to identify characteristics of each patient, and those post-operative symptoms that could be possible targets for intervention to improve HRQoL outcomes.

The Psychometric Properties of the Chinese Version of the SF-36 Health Survey in Patients with Myocardial Infarction in Mainland China

OBJECTIVE

To test the reliability and validity of the Chinese Mandarin version of the SF-36 health survey (CM:SF-36) in patients with myocardial infarction (MI) in mainland China.

METHODS

Single group, cross-sectional design to test the measurement performance on a convenience sample of 180 Chinese patients with MI, 30 of whom were retested after 2 weeks to establish reliability.

FINDINGS

Cronbach's alpha coefficients exceeded the 0.70 criterion for all subscales except General Health, indicating good internal consistency. Test-retest reliability was adequate (intraclass correlation coefficient >0.70) for all subscales. The significant differences were detected by the presence or absence of co-morbidities and the number of risk factors in most physical subscales indicating good discriminative validity. Principal components factor analysis with varimax rotation confirmed the presence of the eight factors, though the item loadings of the Vitality and Mental Health subscales were found to differ from the original ones of the SF-36.

CONCLUSION

The CM:SF-36 is a psychometrically acceptable instrument for assessing the health status of Chinese patients with myocardial infarction.