Student Competition (Technology Innovation) ID 1985239

IF 2.4 Q1 REHABILITATION Topics in Spinal Cord Injury Rehabilitation Pub Date : 2023-09-01 DOI:10.46292/sci23-1985239s
Dilshan Abeywardane, Vivian K. Mushahwar, Kahir A. Rahemtulla
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Abstract

Deep vein thrombosis (DVT) is a blood clot that forms in the deep veins and is the third most common cardiovascular disease today. One of the causes of DVT is venous stasis. Current methods of DVT prevention include anticoagulants and mechanical prophylaxis. Anticoagulant use is contraindicated in individuals with bleeding risks and mechanical interventions are often cumbersome and uncomfortable. The overall goal of this project is to investigate a novel method for DVT prevention, termed intermittent electrical stimulation (IES). The current study investigated the effects of IES on healthy typical as well as post-stroke persons. Of the 32 participants, 22 were healthy subjects from Edmonton, and 10 were inpatient post-stroke subjects at the Glenrose Rehabilitation Hospital, Edmonton. A two-channel stimulator was used to administer IES through electrodes placed on the posterior and anterior sides of the leg and was applied in increasing stimulation amplitudes to the gastrocnemius muscle and the resulting plantar flexion force and changes in popliteal and femoral venous velocities were recorded for each stimulation respectively using B-mode ultrasound. IES-induced contractions produced significant increases in venous flow compared to baseline. Small contractions induced by comfortable levels of stimulation in typical and in post-stroke persons were sufficient to increase flow in the popliteal and femoral veins. The results indicate that IES can sufficiently increase venous flow to prevent venous stasis and is comfortable for end users. Incorporation of IES into a clinical device could provide a feasible and effective alternative for DVT prophylaxis.
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学生竞赛(科技创新) ID 1985239
深静脉血栓(DVT)是一种在深静脉中形成的血栓,是当今第三大最常见的心血管疾病。深静脉血栓形成的原因之一是静脉淤血。目前预防深静脉血栓的方法包括抗凝剂和机械预防。有出血风险的人禁用抗凝剂,而机械性干预措施通常既麻烦又不舒适。 本项目的总体目标是研究一种新型的深静脉血栓预防方法,即间歇性电刺激(IES)。本研究调查了间歇电刺激对健康典型人群和中风后人群的影响。 在 32 名参与者中,22 名是来自埃德蒙顿的健康人,10 名是埃德蒙顿格伦罗斯康复医院的中风后住院病人。使用双通道刺激器通过放置在腿部后侧和前侧的电极对腓肠肌施加IES,刺激幅度不断增大,并使用B型超声波分别记录每次刺激所产生的跖屈力以及腘静脉和股静脉速度的变化。 与基线相比,IES 引起的收缩使静脉流量显著增加。典型患者和中风后患者在舒适的刺激水平下产生的微小收缩足以增加腘静脉和股静脉的流量。 结果表明,IES 能够充分增加静脉流量,防止静脉淤血,而且终端用户感觉舒适。将 IES 纳入临床设备可为预防深静脉血栓提供一种可行而有效的替代方法。
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来源期刊
CiteScore
3.20
自引率
3.40%
发文量
33
期刊介绍: Now in our 22nd year as the leading interdisciplinary journal of SCI rehabilitation techniques and care. TSCIR is peer-reviewed, practical, and features one key topic per issue. Published topics include: mobility, sexuality, genitourinary, functional assessment, skin care, psychosocial, high tetraplegia, physical activity, pediatric, FES, sci/tbi, electronic medicine, orthotics, secondary conditions, research, aging, legal issues, women & sci, pain, environmental effects, life care planning
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