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Personalized intermittent pneumatic calf compression frequency for augmenting foot blood perfusion: The optimized
Bitian Wang1, Yawei Wang1, Hanhao Liu1
1Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, China.
Journal of Biomechanics
|October 1, 2023
Summary
Personalized intermittent pneumatic compression (IPC) therapy optimizes foot blood flow. A predictive model identifies the best compression mode, significantly improving perfusion in healthy individuals and those with diabetes.
Area of Science:
- Biomedical Engineering
- Vascular Physiology
- Medical Device Technology
Background:
- Intermittent pneumatic compression (IPC) therapy is used for peripheral vascular diseases.
- Optimizing IPC compression strategies is crucial for enhancing foot skin blood flow.
Purpose of the Study:
- To develop a personalized approach for intermittent pneumatic compression (IPC) therapy.
- To maximize foot skin blood flow by identifying an optimized compression mode (OCM).
Main Methods:
- Tested four IPC modes with varying frequency settings on 24 subjects.
- Monitored foot skin blood perfusion and cuff pressure during experiments.
- Developed a random forest model to predict the OCM based on biomechanical features.
Main Results:
- Personalized OCM significantly increased blood perfusion: >50% in 75% of healthy subjects and >20% in 75% of diabetic patients.
- Maximum blood perfusion augmentation reached 244% in healthy subjects and 180% in diabetic patients.
- The random forest model achieved acceptable prediction performance (AUC > 0.7).
Conclusions:
- Personalized IPC therapy can substantially improve foot microcirculation.
- A predictive model based on biomechanical features shows promise for optimizing IPC strategies.
- This approach may lead to enhanced IPC treatment protocols for vascular conditions.
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