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Effect of a Soft Robotic Sock Device on Lower Extremity Rehabilitation following Stroke: A Preliminary Clinical Study with Focus on Deep Vein Thrombosis Prevention
IEEE Journal of Translational Engineering in Health and Medicine ( IF 3.4 ) Pub Date : 2019-01-01 , DOI: 10.1109/jtehm.2019.2894753
Fan-Zhe Low 1 , Jeong Hoon Lim 2 , Jeevesh Kapur 2 , Raye Chen-Hua Yeow 1, 3, 4
Affiliation  

Background and objective: Immobility of the lower extremity due to medical conditions such as stroke can lead to medical complications such as deep vein thrombosis or ankle contracture, and thereafter prolonged recovery process of the patients. In this preliminary clinical study, we aimed to examine the effect of a novel soft robotic sock device, capable of providing assisted ankle exercise, in improving blood flow in the lower limb to prevent the complication of strokes such as deep vein thrombosis and joint contracture. Methods: Stroke patients were recruited (n = 17) to compare patients using the conventional pneumatic compression device with our robotic sock device on separate days. The primary outcome was to compare the venous flow profile of the superficial femoral vein in terms of the time average mean velocity and volumetric flow. The secondary outcome was to identify the ankle joint range of motion with the assistance of the device. Results: We noted improvements in the venous profile at the early phase of the device use, though its efficacy seemed to drop with time, as compared to the IPC device, where there was a significant improvement in the venous profile. The ankle joint dorsiflexion-plantarflexion range of motion assisted by the device was 11.5±6.3°. Conclusion and clinical impact: The current version of our sock device appears to be capable of improving venous blood flow in the early phase of device use and assisting with ankle joint exercise. The insights from this preliminary clinical study will serve as the basis for further improvement of the device and subsequent conduct of a longitudinal clinical trial. Funding: National Health Innovation Centre Singapore (NHIC) grant, R-172-000-391-511, MOE AcRF Tier 1 R-397-000-301-114.

中文翻译:

软机器人袜子装置对中风后下肢康复的影响:一项以预防深静脉血栓形成为重点的初步临床研究

背景与目的:中风等疾病导致下肢不能活动,可导致深静脉血栓形成或踝关节挛缩等内科并发症,进而延长患者的康复过程。在这项初步临床研究中,我们旨在研究一种能够提供辅助踝关节运动的新型软机器人袜子装置在改善下肢血流以预防中风并发症(如深静脉血栓形成和关节挛缩)方面的效果。方法:招募了中风患者(n = 17),以在不同的日子比较使用传统气动加压装置和我们的机器人袜子装置的患者。主要结果是在时间平均速度和体积流量方面比较股浅静脉的静脉血流分布。次要结果是在设备的帮助下确定踝关节的运动范围。结果:我们注意到在设备使用的早期阶段,静脉剖面有所改善,但与 IPC 设备相比,其功效似乎随着时间的推移而下降,后者的静脉剖面有显着改善。该装置辅助的踝关节背屈-跖屈运动范围为11.5±6.3°。结论和临床影响:我们当前版本的袜子设备似乎能够在设备使用的早期阶段改善静脉血流量并协助踝关节锻炼。这项初步临床研究的见解将作为进一步改进设备和随后进行纵向临床试验的基础。资金:
更新日期:2019-01-01
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