Effectiveness of alternative exercises in cardiac rehabilitation for program completion and outcomes in women with or at high risk of cardiovascular disease: a systematic review and meta-analysis
Bibliographic record
Abstract
OBJECTIVE: This systematic review aimed to evaluate the effectiveness of alternative exercises within a cardiac rehabilitation (CR) program compared to traditional gym-based exercises or usual care. The focus was on CR completion and outcomes in women. INTRODUCTION: CR programs generally offer traditional gym-based exercises, including treadmill exercises, cycling on ergometers, and conventional resistance training. However, these exercises may not be suitable for all individuals, particularly women with chronic musculoskeletal conditions. Alternative exercises, such as yoga, Pilates, tai chi, Nordic walking, and dancing, have been suggested as safer and more enjoyable options, potentially increasing CR completion rates among women. However, the evidence on the effectiveness of alternative exercises for improving CR completion and other health outcomes for women remains limited. INCLUSION CRITERIA: This systematic review included randomized controlled trials (RCTs) evaluating the effects of alternative exercises in a CR program that recruited at least 50% women participants. Studies were eligible if they included women aged 18 years and over, diagnosed with cardiovascular disease (CVD) or at high risk of CVD, and participating in an exercise-based CR program. Exercise-based CR programs were defined as interventions for secondary prevention of CVD or for reducing CVD risk in high-risk patients. Alternative exercises could be supervised or unsupervised exercises other than traditional gym-based exercises. Eligible comparators included gym-based exercises, exercise education only, or usual care. The primary outcome was CR completion. METHODS: The following databases were searched from inception to January 15, 2024: MEDLINE (Ovid), CINAHL (EBSCOhost), the Cochrane Central Register of Controlled Trials, Embase (Ovid), Emcare (Ovid), Scopus, Web of Science, LILACS, and PsycINFO (Ovid). At least 2 reviewers independently screened titles and abstracts, and full texts for inclusion. Two reviewers independently assessed the methodological quality and certainty of evidence of included studies using the JBI Critical Appraisal Checklist for Randomized Controlled Trials and the Grading of Recommendations Assessment, Development and Evaluation (GRADE), respectively. Meta-analyses with random-effects models were conducted for data synthesis. RESULTS: Eight RCTs were included involving 398 women. Alternative exercises (yoga, tai chi, stepping exercises, Nordic walking, outdoor walking, and aerobic dance) had little to no effect on women's CR completion compared to usual care (risk ratio [RR] 1.02; 95%CI 0.87 to 1.20; 2 trials; 51 participants; I2 =0%, very low certainty of evidence). These alternative exercises may result in improved systolic blood pressure, diastolic blood pressure, body weight, and 6-minute walk test at ≤12 weeks follow-up. Alternative exercises had little to no effect on other health outcomes, including body mass index, lipid profiles, fasting blood glucose, hemoglobin A1c, peak oxygen uptake, quality of life, and depression symptoms at ≤12 weeks. When examining longer-term impacts, it appears offering these modalities had little to no effect on blood pressure (systolic and diastolic) at 24 weeks. The evidence supporting these findings was rated as very low certainty for each outcome. CONCLUSIONS: Evidence on the effects of alternative exercises within CR on women's CR completion and health outcomes remains limited. This is primarily due to the small number of trials involving women and the very low certainty of evidence for each outcome. Future well-designed RCTs are needed to provide more robust findings. REVIEW REGISTRATION: PROSPERO CRD42022354996.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.008 | 0.008 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.017 | 0.002 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".