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Sibbald RG, Geng RSQ, Slomovic J, Stacey M. The muscle pump activator device: From evidence to lived experiences. Int Wound J 2024; 21:e14949. [PMID: 39072891 DOI: 10.1111/iwj.14949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/02/2024] [Accepted: 06/06/2024] [Indexed: 07/30/2024] Open
Abstract
A chronic wound is one that fails to progress through a normal timely sequence of repair, or in which the repair process fails to restore anatomic and functional integrity after 3 months. The most common chronic wounds include venous, ischaemic and mixed leg ulcers, diabetic foot ulcers and pressure injuries. Chronic wounds place immense physical and psychosocial burden on patients and exact heavy costs for healthcare systems, with many patients continuing to live with chronic wounds even after all management options have been exhausted. The muscle pump activator (MPA) device can be used to bridge this therapeutic gap. By stimulating the common peroneal nerve to activate venous muscle pump of the leg and foot, the MPA device increases blood flow to the lower leg and foot to improve conditions for healing. Currently, evidence in the literature exist to show that the MPA device improves wound outcomes over standard compression therapy, decreases edema and increases wound healing rates. In this review, we also present a series of chronic wound patients treated with the MPA device in multicentre clinics to demonstrate the ability of the MPA device to improve wound outcomes, reduce pain and edema and improve patient quality of life.
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Affiliation(s)
- R Gary Sibbald
- Dalla Lana School of Public Health & Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Ryan S Q Geng
- Temerty School of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Jacqueline Slomovic
- Temerty School of Medicine, Department of Ophthalmology, University of Toronto, Toronto, Ontario, Canada
| | - Michael Stacey
- Department of Surgery, Hamilton Health Sciences, Hamilton, Ontario, Canada
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Huang H, Xin R, Li X, Zhang X, Chen Z, Zhu Q, Tai Z, Bao L. Physical therapy in diabetic foot ulcer: Research progress and clinical application. Int Wound J 2023; 20:3417-3434. [PMID: 37095726 PMCID: PMC10502280 DOI: 10.1111/iwj.14196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 04/03/2023] [Accepted: 04/05/2023] [Indexed: 04/26/2023] Open
Abstract
Diabetes foot ulcer (DFU) is one of the most intractable complications of diabetes and is related to a number of risk factors. DFU therapy is difficult and involves long-term interdisciplinary collaboration, causing patients physical and emotional pain and increasing medical costs. With a rising number of diabetes patients, it is vital to figure out the causes and treatment techniques of DFU in a precise and complete manner, which will assist alleviate patients' suffering and decrease excessive medical expenditure. Here, we summarised the characteristics and progress of the physical therapy methods for the DFU, emphasised the important role of appropriate exercise and nutritional supplementation in the treatment of DFU, and discussed the application prospects of non-traditional physical therapy such as electrical stimulation (ES), and photobiomodulation therapy (PBMT) in the treatment of DFU based on clinical experimental records in ClinicalTrials.gov.
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Affiliation(s)
- Hao Huang
- School of PharmacyBengbu Medical CollegeBengbuAnhuiChina
- Shanghai Skin Disease Hospital, School of MedicineTongji UniversityShanghaiChina
- Department of PharmacyThird Affiliated Hospital of Naval Medical UniversityShanghaiChina
| | - Rujuan Xin
- Shanghai Skin Disease Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Xiaolong Li
- School of PharmacyBengbu Medical CollegeBengbuAnhuiChina
- Shanghai Skin Disease Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Xinyue Zhang
- Shanghai Skin Disease Hospital, School of MedicineTongji UniversityShanghaiChina
- Department of PharmacyThird Affiliated Hospital of Naval Medical UniversityShanghaiChina
| | - Zhongjian Chen
- School of PharmacyBengbu Medical CollegeBengbuAnhuiChina
- Shanghai Skin Disease Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Quangang Zhu
- School of PharmacyBengbu Medical CollegeBengbuAnhuiChina
- Shanghai Skin Disease Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Zongguang Tai
- Shanghai Skin Disease Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Leilei Bao
- School of PharmacyBengbu Medical CollegeBengbuAnhuiChina
- Department of PharmacyThird Affiliated Hospital of Naval Medical UniversityShanghaiChina
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Bull RH, Clements D, Collarte AJ, Harding KG. The impact of a new intervention for venous leg ulcers: A within-patient controlled trial. Int Wound J 2023. [PMID: 36785909 DOI: 10.1111/iwj.14107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/20/2023] [Accepted: 01/20/2023] [Indexed: 02/15/2023] Open
Abstract
A major obstacle to the development of new treatments for venous leg ulcers is the difficulty in generating evidence for their effectiveness. Randomised controlled trials using complete healing as the endpoint are seldom powered to be successful, owing to the heterogeneity of cohorts. A novel approach to the evaluation of treatments is presented, using a self-controlled trial model and two metrics of short-term healing rate as alternate endpoints: rate of wound margin advance, and percentage area reduction over 4 weeks. Two different treatment regimens are compared: multi-layer compression alone, versus multi-layer compression combined with activation of the venous leg pump by neuromuscular stimulation. With 60 patients, adding neuromuscular stimulation to multilayer compression resulted in a significant two-fold increase in the rate of wound healing over a 4-week period, both in terms of wound margin advance and in terms of percentage area reduction. The use of these short-term intermediate endpoint metrics together with a self-controlled study design offers potential for distinguishing between the relative efficacies of interventions more rapidly, with greater sensitivity, and with fewer subjects than a conventional RCT cohort model.
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Affiliation(s)
| | - Donna Clements
- CRN Eastern, Norfolk Community Health and Care Trust, Norwich, UK
| | - Agnes Juguilon Collarte
- North West Division (Central London, Hammersmith & Fulham and West London), St Charles Centre for Health & Wellbeing, London, UK
| | - Keith Gordon Harding
- WWII Ltd (Welsh Wound Innovation Initiative), Welsh Wound Innovation Centre, Pontyclun, UK
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Bosanquet DC, Harding KG. Wound healing: potential therapeutic options. Br J Dermatol 2021; 187:149-158. [PMID: 34726774 DOI: 10.1111/bjd.20772] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/04/2021] [Indexed: 12/22/2022]
Abstract
This review highlights the range of therapeutic options available to clinicians treating difficult-to-heal wounds. While certain treatments are established in daily clinical practice, most therapeutic interventions lack robust and rigorous data regarding their efficacy, which would help to determine when, and for whom, they should be used. The purpose of this review is to give a broad overview of the available interventions, with a brief summary of the evidence base for each intervention.
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Affiliation(s)
- D C Bosanquet
- South East Wales Vascular Network, Aneurin Bevan University Health Board, Royal Gwent Hospital, Cardiff Road, Newport, NP16 2UB, UK
| | - K G Harding
- Clinical Innovation Hub, Cardiff University, Cardiff, CF14 4XN, UK.,Skin Research Institute Singapore (SRIS), Singapore
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Milne J, Swift A, Smith J, Martin R. Electrical stimulation for pain reduction in hard-to-heal wound healing. J Wound Care 2021; 30:568-580. [PMID: 34256596 DOI: 10.12968/jowc.2021.30.7.568] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVE Despite treatment advances over the past 30 years, the societal impact of hard-to-heal wounds is increasingly burdensome. An unresolved issue is wound pain, which can make many treatments, such as compression in venous leg ulcers, intolerable. The aim of this review is to present the evidence and stimulate thinking on the use of electrical stimulation devices as a treatment technology with the potential to reduce pain, improve adherence and thus hard-to-heal wound outcomes. METHOD A literature search was conducted for clinical studies up to August 2020 reporting the effects of electrical stimulation devices on wound pain. Devices evoking neuromuscular contraction or direct spinal cord stimulation were excluded. RESULTS A total of seven publications (three non-comparative and four randomised trials) were identified with four studies reporting a rapid (within 14 days) reduction in hard-to-heal wound pain. Electrical stimulation is more widely known for accelerated healing and is one of the most evidence-based technologies in wound management, supported by numerous in vitro molecular studies, five meta-analyses, six systematic reviews and 30 randomised controlled trials (RCTs). Despite this wealth of supportive evidence, electrical stimulation has not yet been adopted into everyday practice. Some features of electrical stimulation devices may have hampered adoption in the past. CONCLUSION As new, pocket-sized, portable devices allowing convenient patient treatment and better patient adherence become more widely available and studied in larger RCTs, the evidence to date suggests that electrical stimulation should be considered part of the treatment options to address the challenges of managing and treating painful hard-to-heal wounds.
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Das SK, Dhoonmoon L, Bain D, Chhabra S. Microcirculatory changes in venous leg ulcers using intermittent electrostimulation of common peroneal nerve. J Wound Care 2021; 30:151-155. [PMID: 33573484 DOI: 10.12968/jowc.2021.30.2.151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Activation of the venous muscle pumps of the leg by intermittent transdermal neuromuscular stimulation of the common peroneal nerve has been previously shown to augment venous and arterial flow in patients with leg ulcers. This study aims to establish if microcirculation in the wound bed and periwound area are augmented by the activation of a neuromuscular electrostimulation device (NMES) (Geko, Firstkind Ltd., UK). METHOD In this self-controlled, observational study, laser speckle contrast imaging was used to map and quantify microcirculatory flow in the wound bed and periwound area of patients with venous leg ulcers (VLU). Values of flow and pulsatility in these locations were compared with the NMES device, both active and inactive. RESULTS A total of 16 patients took part in the study. Microvascular flux increased by 27% (p=0.014) in the wound bed, and by 34% (p=0.004) in the periwound area, when the NMES device was activated. Pulsatility increased by 170% (p<0.001) in the wound bed and 173% (p<0.001) in the periwound area when the device was activated. CONCLUSION Intermittent electrostimulation of the common peroneal nerve substantially increased both microcirculatory flux and pulsatility in the wound bed and in the periwound area of the VLUs of patients in this study. This provides a plausible mechanistic explanation for its reported efficacy in healing VLUs.
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Affiliation(s)
- Saroj K Das
- The Hillingdon Hospital & London North West Health Care NHS Trust, UK
| | | | | | - Swati Chhabra
- London North West University Healthcare NHS Trust, London, UK
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Das SK, Dhoonmoon L, Chhabra S. Neuromuscular stimulation of the common peroneal nerve increases arterial and venous velocity in patients with venous leg ulcers. Int Wound J 2020; 18:187-193. [PMID: 33236847 PMCID: PMC8243992 DOI: 10.1111/iwj.13510] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/22/2020] [Accepted: 09/24/2020] [Indexed: 12/21/2022] Open
Abstract
Activation of the venous muscle pumps by neuromuscular stimulation of the common peroneal nerve has been previously shown to increase venous and arterial flow in the legs of healthy subjects. The aim of this study is to determine whether a similar effect is observed in patients with chronic venous leg ulcers. 1 Hz intermittent electrostimulation of the common peroneal nerve was applied to 14 patients with ulcers between 1 and 10 cm in diameter, eliciting a small, painless, regular, muscular twitch of the leg. Flow was measured using Duplex ultrasound in the popliteal vein and the popliteal artery. Peak arterial velocity increased from 57 to 78 cm/s (P = .001) in sitting position, and from 79 to 98 cm/s in recumbent position (P = .001). Peak venous velocity increased from 10 to 33 cm/s (P = .001) sitting, and from 14 to 47 cm/s (P = .001) recumbent. Significant increases were observed in both venous and arterial blood flow in the lower limb. This suggestsed that activation of the venous muscle pump and improvement of arterial flow assisted oxygen delivery at the wound site. Moreover this may be a worthwhile intervention to assist in the healing of venous leg ulcers, and may provide a mechanistic explanation for the increased healing rates previously reported with neuromuscular stimulation of the common peroneal nerve.
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Affiliation(s)
- Saroj K Das
- Consultant Vascular & Endovascular Surgeon, West London Vascular and Intervention Centre (WeLVIC), London North West Health Care NHS Trust, London, UK
| | | | - Swati Chhabra
- London North West University Health care NHS Trust, London, UK
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Bosanquet DC, Ivins N, Jones N, Harding KG. Microcirculatory Flux and Pulsatility in Arterial Leg Ulcers is Increased by Intermittent Neuromuscular Electrostimulation of the Common Peroneal Nerve. Ann Vasc Surg 2020; 71:308-314. [PMID: 32768540 DOI: 10.1016/j.avsg.2020.07.030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/18/2020] [Accepted: 07/09/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND Neuromuscular electrical stimulator (NMES) devices increase blood flow to the lower limb by a process of intermittent muscular contraction initiated by a transdermal stimulus to the common peroneal nerve. However, its effects on localized microvascular blood supply to lower limb wounds are unknown. This study is a single-center open label study measuring the effect of neuromuscular stimulation of the common peroneal nerve on the microvascular blood flow within the wound bed of arterial leg ulcers. METHODS Eights patients with ischemic lower limb wounds had an NMES (geko™) applied to the common peroneal nerve. Baseline and intervention analysis of blood flow to the wound bed and edge was performed using Laser Speckle Contrast Imaging. Mean flow (flux) and pulse amplitude (pulsatility) were measured. RESULTS Stimulation of the common peroneal nerve with the NMES resulted in a significantly increased flux and pulsatility in both the wound bed and the wound edge in all 8 patients. CONCLUSIONS Neuromuscular electrical stimulation immediately increases microcirculatory blood flow to the wound bed and edge in patients with ischemic lower limb wounds. These data may provide mechanistic insight into the clinical efficacy of NMES in healing wounds. www.clinicaltrials.gov NCT03186560.
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Affiliation(s)
- David C Bosanquet
- South East Wales Vascular Network, Royal Gwent Hospital, Aneurin Bevan Health Board, Newport, UK.
| | - Nicky Ivins
- Clinical Innovation Hub, Cardiff University, Cardiff University School of Medicine, Cardiff, UK
| | - Nia Jones
- Clinical Innovation Hub, Cardiff University, Cardiff University School of Medicine, Cardiff, UK
| | - Keith G Harding
- Clinical Innovation Hub, Cardiff University, Cardiff University School of Medicine, Cardiff, UK
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Goodall RJ, Langridge B, Lane T, Davies AH, Shalhoub J. A Narrative Review of the Use of Neuromuscular Electrical Stimulation in Individuals With Diabetic Foot Ulceration. INT J LOW EXTR WOUND 2020; 19:242-250. [DOI: 10.1177/1534734619898978] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
This review aims to summarize the evidence reported on the use of neuromuscular electrical stimulation (NMES) in individuals with diabetic foot ulceration (DFU). A systematic search of EMBASE and MEDLINE databases was performed in February 2019, using search terms relating to the domains DFU and NMES. All primary evidence assessing outcomes of NMES in DFU were included. Of 344 references obtained from database searching, 7 met the inclusion criteria and included a total of 140 participants, 77 of whom had DFU. All included studies used prospective designs. Two studies demonstrated improvements in chronic ulcer healing with NMES use; however, in each study, only 3 of the included participants had DFU and subgroup analyses based on ulcer etiology was omitted. The remaining 5 studies were produced by the same research group and positive effects of NMES (in combination with heat therapy) on DFU healing were consistently demonstrated. They reported significantly better healing rates with NMES in DFU than in nondiabetic wounds of a similar grade (healing rate: 70.0 ± 32.3% in DFU vs 38.4 ± 22.3% in nondiabetic ulcers [ P < .01]). These studies did not provide data assessing the isolated effects of NMES without concomitant heat exposure. Data on device tolerability and compliance were lacking. The existing data support a potential role for NMES in individuals with DFU; however, the identified studies inadequately controlled for confounding and were underpowered. Given the significant morbidity and mortality associated with DFU, higher quality evidence is needed to assess the adjunctive role for NMES in this group.
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Affiliation(s)
- Richard James Goodall
- Imperial College London, London, UK
- Imperial College Healthcare NHS Trust, London, UK
| | - Benjamin Langridge
- Imperial College London, London, UK
- Imperial College Healthcare NHS Trust, London, UK
| | - Tristan Lane
- Imperial College London, London, UK
- Imperial College Healthcare NHS Trust, London, UK
| | - Alun Huw Davies
- Imperial College London, London, UK
- Imperial College Healthcare NHS Trust, London, UK
| | - Joseph Shalhoub
- Imperial College London, London, UK
- Imperial College Healthcare NHS Trust, London, UK
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Harris C, Ramage D, Boloorchi A, Vaughan L, Kuilder G, Rakas S. Using a muscle pump activator device to stimulate healing for non-healing lower leg wounds in long-term care residents. Int Wound J 2018; 16:266-274. [PMID: 30460740 PMCID: PMC7379663 DOI: 10.1111/iwj.13027] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 09/28/2018] [Accepted: 10/06/2018] [Indexed: 01/06/2023] Open
Abstract
Chronic non‐healing wounds are a burden in the Long‐Term Care (LTC) sector, increasing costs, morbidity, and mortality and causing pain and suffering. The objective of this LTC Innovation pilot was to test the value of a promising new neuromuscular stimulation device in elevating the experience and satisfaction of the residents, engaging and empowering the nursing staff, and improving healing and/or reducing costs. Small, wireless, and worn at the knee, this muscle pump activator is self‐contained, wearable, and battery‐powered to increase lower‐leg blood circulation (up to 60% of that achieved by walking). It has no wires, weighs just 10 g, and is easy to use. Nurses in four LTC homes identified residents with non‐healing lower leg wounds. Consent was obtained, and on‐site training was delivered. Eleven residents were recruited. Only seven met the inclusion criteria for venous/mixed or diabetic foot ulcers. Of the seven who met the criteria and were adherent with best practices and the muscle pump activator, four healed 100%, and one healed 90%. Two patients with other aetiologies, who were also adherent, healed. All adherent residents had an average weekly decrease in wound size of 9.75% and were extremely happy with the results. Three residents who were non‐adherent had a 9.25% increase in wound size per week. One patient with diabetic foot ulcers developed skin changes at the end of life and passed away. Nursing staff and cognisant residents can easily adjust the pulse of muscle pump activator, and application and removal are simple. Most residents feel engaged with the therapy “because they feel it working”. The LTC corporation feels that it is a great adjunctive solution for many types of lower‐leg wounds (venous, mixed, diabetic, pressure) in addition to best practices in the LTC and Retirement home sectors.
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