Key result
Plate model diet increases weight loss by ~1 kg vs standard care post-MI.
Why the study?
Reducing body weight is an integral element of cardiac rehabilitation, but the effectiveness of using a plate model to control calorie intake and lose excess weight in post-myocardial infarction patients required evaluation.
Does a 'plate model' dietary intervention improve weight loss in post-myocardial infarction patients undergoing cardiac rehabilitation?
RCT (n=120)
Single-blind
Parallel
Does a 'plate model' dietary intervention improve weight loss in post-myocardial infarction patients undergoing cardiac rehabilitation?
Absolute Event Rate: -1.27% vs -0.26%
p-value: p=0.029
The use of a 'plate model' as part of dietary modification during cardiac rehabilitation significantly improves weight loss and BMI reduction in post-myocardial infarction patients.
Supports plate model integration into post-MI cardiac rehabilitation; extends evidence for simple dietary tools in secondary prevention.
Background: Reducing body weight by nutritional management is an integral element of cardiac rehabilitation and in secondary prevention of cardiovascular diseases. Administration of a “plate model” is one practical aspect to control calorie intake. The study aimed to evaluate the effectiveness of the plate model as a part of dietary modification in losing excess weight in post-myocardial infarction (MI) patients. Methods: An interventional, randomized, single-blinded study with parallel subject allocation was conducted among patients with a history of troponin-positive acute coronary syndrome (ACS). A total of 120 patients were recruited to intervention and control groups. The Intervention cluster was provided with ‘plate model’ and both groups received standard cardiac rehabilitation care. Anthropometric, clinical and metabolic parameters were measured at recruitment and repeated during 4th and 12th week. Results: A sample of 79 patients (the intervention group: 40, the control group: 39) completed the study. At the end of 12 weeks participants in the intervention group exhibited a significant weight loss (−1.27±3.58 vs. –0.26±2.42 kg; P=0.029) and a significant reduction in BMI (−0.48±1.31 vs. −0.10±0.89 kg/m2; P=0.023). Overweight and obese patients (BMI >23 kg/m2) displayed greater weight loss (−2.13±3.46 vs. 0.12±2.62 kg; P=0.013). Many of overweight and obese patients in the test group (35.7%) experienced a weight loss ≥5% compared to the control group (13.04%) which was a nearly significant result (P=0.065). No significant changes observed in other metabolic parameters. Conclusions: Plate model is an effective dietary intervention in view of weight reduction in post-MI patients.
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Jayawardena et al. (2019) conducted an RCT in Post-myocardial infarction (MI) (n=120). Plate model vs. Standard cardiac rehabilitation care was evaluated on Weight loss (kg) (p=0.029). A plate model dietary intervention significantly increased weight loss compared to standard care in post-MI patients (-1.27 kg vs -0.26 kg; P=0.029).
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