Key result
An intensive prevention program using step counters was feasible (81.1% documented steps), and increasing daily steps by >30% over 6 months improved BMI (p<0.01) and blood pressure (p=0.01).
Why the study?
Does an intensive longterm prevention program with step counters and online documentation improve physical activity and clinical parameters in patients after acute myocardial infarction?
RCT
Does an intensive longterm prevention program with step counters and online documentation improve physical activity and clinical parameters in patients after acute myocardial infarction?
The use of step counters and online documentation in a secondary prevention program after myocardial infarction is feasible and associated with improvements in BMI and blood pressure among those who increase their physical activity.
Answers are grounded in this paper and cite their sources.
Step-counter programs should not yet change practice; hypothesis-generating for prevention and requires randomized confirmation.
Background: Physical inactivity is an important modifiable risk factor in secondary prevention. It was the purpose of this study to investigate feasibility and effects of step counters and online documentation of steps to prevent physical inactivity after myocardial infarctions. Methods: The randomized IPP study investigates the effects of an intensive longterm prevention program (IPP) compared with usual care (UC) after acute myocardial infarctions. As part of the prevention program step counters were offered to all patients of the IPP group. The patients were requested to document the number of steps in a study online portal, feedback was given by the study center. Results: 103 patients (81.1%) of the 127 patients in the IPP group documented steps, 91 patients (71.7%) for >6 months. The mean number of daily steps increased with growing time interval from myocardial infarction (Table). In patients that increased the number of daily steps >30% during 6 months, an improvement of the clinical parameters body mass index (BMI) [-1.1±1.7 kg/m2 (-3.9%), p<0.01], blood pressure [-6.7±13 mmHg (-4.9%), p 0.01] and LDL-cholesterol [-3.5±22 mg/dl (-4.9%), p 0.39] was observed.
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Wienbergen et al. (2017) conducted an RCT in acute myocardial infarction. Intensive longterm prevention program (IPP) with step counters and online documentation vs. Usual care (UC) was evaluated on Feasibility (documentation of steps). An intensive prevention program using step counters was feasible (81.1% documented steps), and increasing daily steps by >30% over 6 months improved BMI (p<0.01) and blood pressure (p=0.01).
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