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Schiweck C, Sausmekat S, Zhao T, Jacobsen L, Reif A, Edwin Thanarajah S. No consistent evidence for the anti-inflammatory effect of vagus nerve stimulation in humans: A systematic review and meta-analysis. Brain Behav Immun 2024; 116:237-258. [PMID: 38070618 DOI: 10.1016/j.bbi.2023.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/17/2023] [Accepted: 12/04/2023] [Indexed: 12/21/2023] Open
Abstract
Vagus nerve stimulation (VNS) has been identified as an innovative immunosuppressive treatment strategy in rodent studies. However, its' clinical potential is still unclear. Therefore, we aimed to assess whether VNS can reduce inflammatory proteins and/or immune cells in humans, through a pre-registered systematic review and meta-analysis according to PRISMA guidelines. The databases Cochrane, Pubmed and World of Knowledge were searched in duplicate up to the 3rd of March 2022 and publications from identified clinical trial registrations were identified until 20th of August 2023. Studies were included if they provided peer-reviewed data for humans who received VNS as short-term (<=1 day) or long-term (>=2 days-365 days) stimulation and reported at least one cytokine or immune cell after treatment.Screening of title, abstract, full text, and data extraction was performed in duplicate by two independent reviewers. Data were pooled using a random-effects model and meta-regression was performed for moderating factors. Reporting bias was assessed. The standardized mean difference (Hedge's g) was used to indicate overall differences of cytokine data (mean and standard deviation or median and interquartile range at the study level) to test our a-priori hypothesis. The systematic review of 36 studies with 1135 participants (355 receiving a control/sham condition and 780 receiving VNS) revealed anti-inflammatory effects of VNS for cytokines in several reports, albeit often in subgroup analyses, but our meta-analyses of 26 studies did not confirm these findings. Although most cytokines were numerically reduced, the reduction did not reach statistical significance after VNS: not in the between-group comparisons (short-term: TNF-α: g = -0.21, p = 0.359; IL-6: g = -0.94, p = 0.112; long-term: TNF-α: g = -0.13, p = 0.196; IL-6: g = -0.67, p = 0.306); nor in the within-study designs (short-term: TNF-α: g = -0.45, p = 0.630; IL-6: g = 0.28, p = 0.840; TNF-α: g = -0.53, p = 0.297; IL-6:g = -0.02, p = 0.954). Only the subgroup analysis of 4 long-term studies with acute inflammation was significant: VNS decreased CRP significantly more than sham stimulation. Additional subgroup analyses including stimulation duration, stimulation method (invasive/non-invasive), immune stimulation, and study quality did not alter results. However, heterogeneity was high, and most studies had poor to fair quality. Given the low number of studies for each disease, a disease-specific analysis was not possible. In conclusion, while numeric effects were reported in individual studies, the current evidence does not substantiate the claim that VNS impacts inflammatory cytokines in humans. However, it may be beneficial during acute inflammatory events. To assess its full potential, high-quality studies and technological advances are required.
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Affiliation(s)
- Carmen Schiweck
- Department of Psychiatry, Psychotherapy and Psychosomatics, Goethe University Frankfurt, Germany
| | - Sonja Sausmekat
- Department of Psychiatry, Psychotherapy and Psychosomatics, Goethe University Frankfurt, Germany
| | - Tong Zhao
- Department of Psychiatry, Psychotherapy and Psychosomatics, Goethe University Frankfurt, Germany
| | - Leona Jacobsen
- Department of Psychiatry, Psychotherapy and Psychosomatics, Goethe University Frankfurt, Germany
| | - Andreas Reif
- Department of Psychiatry, Psychotherapy and Psychosomatics, Goethe University Frankfurt, Germany
| | - Sharmili Edwin Thanarajah
- Department of Psychiatry, Psychotherapy and Psychosomatics, Goethe University Frankfurt, Germany; Max Planck Institute for Metabolism Research, Cologne, Germany.
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Cooper K, Alexander L, Brandie D, Brown VT, Greig L, Harrison I, MacLean C, Mitchell L, Morrissey D, Moss RA, Parkinson E, Pavlova AV, Shim J, Swinton PA. Exercise therapy for tendinopathy: a mixed-methods evidence synthesis exploring feasibility, acceptability and effectiveness. Health Technol Assess 2023; 27:1-389. [PMID: 37929629 PMCID: PMC10641714 DOI: 10.3310/tfws2748] [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] [Indexed: 11/07/2023] Open
Abstract
Background Tendinopathy is a common, painful and functionally limiting condition, primarily managed conservatively using exercise therapy. Review questions (i) What exercise interventions have been reported in the literature for which tendinopathies? (ii) What outcomes have been reported in studies investigating exercise interventions for tendinopathy? (iii) Which exercise interventions are most effective across all tendinopathies? (iv) Does type/location of tendinopathy or other specific covariates affect which are the most effective exercise therapies? (v) How feasible and acceptable are exercise interventions for tendinopathies? Methods A scoping review mapped exercise interventions for tendinopathies and outcomes reported to date (questions i and ii). Thereafter, two contingent systematic review workstreams were conducted. The first investigated a large number of studies and was split into three efficacy reviews that quantified and compared efficacy across different interventions (question iii), and investigated the influence of a range of potential moderators (question iv). The second was a convergent segregated mixed-method review (question v). Searches for studies published from 1998 were conducted in library databases (n = 9), trial registries (n = 6), grey literature databases (n = 5) and Google Scholar. Scoping review searches were completed on 28 April 2020 with efficacy and mixed-method search updates conducted on 19 January 2021 and 29 March 2021. Results Scoping review - 555 included studies identified a range of exercise interventions and outcomes across a range of tendinopathies, most commonly Achilles, patellar, lateral elbow and rotator cuff-related shoulder pain. Strengthening exercise was most common, with flexibility exercise used primarily in the upper limb. Disability was the most common outcome measured in Achilles, patellar and rotator cuff-related shoulder pain; physical function capacity was most common in lateral elbow tendinopathy. Efficacy reviews - 204 studies provided evidence that exercise therapy is safe and beneficial, and that patients are generally satisfied with treatment outcome and perceive the improvement to be substantial. In the context of generally low and very low-quality evidence, results identified that: (1) the shoulder may benefit more from flexibility (effect sizeResistance:Flexibility = 0.18 [95% CrI 0.07 to 0.29]) and proprioception (effect sizeResistance:Proprioception = 0.16 [95% CrI -1.8 to 0.32]); (2) when performing strengthening exercise it may be most beneficial to combine concentric and eccentric modes (effect sizeEccentricOnly:Concentric+Eccentric = 0.48 [95% CrI -0.13 to 1.1]; and (3) exercise may be most beneficial when combined with another conservative modality (e.g. injection or electro-therapy increasing effect size by ≈0.1 to 0.3). Mixed-method review - 94 studies (11 qualitative) provided evidence that exercise interventions for tendinopathy can largely be considered feasible and acceptable, and that several important factors should be considered when prescribing exercise for tendinopathy, including an awareness of potential barriers to and facilitators of engaging with exercise, patients' and providers' prior experience and beliefs, and the importance of patient education, self-management and the patient-healthcare professional relationship. Limitations Despite a large body of literature on exercise for tendinopathy, there are methodological and reporting limitations that influenced the recommendations that could be made. Conclusion The findings provide some support for the use of exercise combined with another conservative modality; flexibility and proprioception exercise for the shoulder; and a combination of eccentric and concentric strengthening exercise across tendinopathies. However, the findings must be interpreted within the context of the quality of the available evidence. Future work There is an urgent need for high-quality efficacy, effectiveness, cost-effectiveness and qualitative research that is adequately reported, using common terminology, definitions and outcomes. Study registration This project is registered as DOI: 10.11124/JBIES-20-00175 (scoping review); PROSPERO CRD 42020168187 (efficacy reviews); https://osf.io/preprints/sportrxiv/y7sk6/ (efficacy review 1); https://osf.io/preprints/sportrxiv/eyxgk/ (efficacy review 2); https://osf.io/preprints/sportrxiv/mx5pv/ (efficacy review 3); PROSPERO CRD42020164641 (mixed-method review). Funding This project was funded by the National Institute for Health and Care Research (NIHR) HTA programme and will be published in full in HTA Journal; Vol. 27, No. 24. See the NIHR Journals Library website for further project information.
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Affiliation(s)
- Kay Cooper
- School of Health Sciences, Robert Gordon University, Garthdee Road, Aberdeen, UK
| | - Lyndsay Alexander
- School of Health Sciences, Robert Gordon University, Garthdee Road, Aberdeen, UK
| | - David Brandie
- Sportscotland Institute of Sport, Airthrey Road, Stirling, UK
| | | | - Leon Greig
- School of Health Sciences, Robert Gordon University, Garthdee Road, Aberdeen, UK
| | - Isabelle Harrison
- School of Health Sciences, Robert Gordon University, Garthdee Road, Aberdeen, UK
| | - Colin MacLean
- Library Services, Robert Gordon University, Garthdee Road, Aberdeen, UK
| | - Laura Mitchell
- NHS Grampian, Physiotherapy Department, Ellon Health Centre, Schoolhill, Ellon, Aberdeenshire, UK
| | - Dylan Morrissey
- William Harvey Research Institute, School of Medicine and Dentistry, Queen Mary University of London, Mile End Hospital, Bancroft Road, London, UK
| | - Rachel Ann Moss
- School of Health Sciences, Robert Gordon University, Garthdee Road, Aberdeen, UK
| | - Eva Parkinson
- School of Health Sciences, Robert Gordon University, Garthdee Road, Aberdeen, UK
| | | | - Joanna Shim
- School of Health Sciences, Robert Gordon University, Garthdee Road, Aberdeen, UK
| | - Paul Alan Swinton
- School of Health Sciences, Robert Gordon University, Garthdee Road, Aberdeen, UK
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Mechtenberg M, Grimmelsmann N, Meyer HG, Schneider A. Manual and semi-automatic determination of elbow angle-independent parameters for a model of the biceps brachii distal tendon based on ultrasonic imaging. PLoS One 2022; 17:e0275128. [PMID: 36201491 PMCID: PMC9536606 DOI: 10.1371/journal.pone.0275128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 09/09/2022] [Indexed: 11/07/2022] Open
Abstract
Tendons consist of passive soft tissue with non linear material properties. They play a key role in force transmission from muscle to skeletal structure. The properties of tendons have been extensively examined in vitro. In this work, a non linear model of the distal biceps brachii tendon was parameterized based on measurements of myotendinous junction displacements in vivo at different load forces and elbow angles. The myotendinous junction displacement was extracted from ultrasound B-mode images within an experimental setup which also allowed for the retrieval of the exerted load forces as well as the elbow joint angles. To quantify the myotendinous junction movement based on visual features from ultrasound images, a manual and an automatic method were developed. The performance of both methods was compared. By means of exemplary data from three subjects, reliable fits of the tendon model were achieved. Further, different aspects of the non linear tendon model generated in this way could be reconciled with individual experiments from literature.
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Affiliation(s)
- Malte Mechtenberg
- Biomechatronics and Embedded Systems Group, Bielefeld University of Applied Sciences, Bielefeld, NRW, Germany
- * E-mail:
| | - Nils Grimmelsmann
- Biomechatronics and Embedded Systems Group, Bielefeld University of Applied Sciences, Bielefeld, NRW, Germany
| | - Hanno Gerd Meyer
- Biomechatronics and Embedded Systems Group, Bielefeld University of Applied Sciences, Bielefeld, NRW, Germany
| | - Axel Schneider
- Biomechatronics and Embedded Systems Group, Bielefeld University of Applied Sciences, Bielefeld, NRW, Germany
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Escriche-Escuder A, Cuesta-Vargas AI, Casaña J. Modelling and in vivo evaluation of tendon forces and strain in dynamic rehabilitation exercises: a scoping review. BMJ Open 2022; 12:e057605. [PMID: 35879000 PMCID: PMC9328104 DOI: 10.1136/bmjopen-2021-057605] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
OBJECTIVES Although exercise is considered the preferred approach for tendinopathies, the actual load that acts on the tendon in loading programmes is usually unknown. The objective of this study was to review the techniques that have been applied in vivo to estimate the forces and strain that act on the human tendon in dynamic exercises used during rehabilitation. DESIGN Scoping review. DATA SOURCES Embase, PubMed, Web of Science and Google Scholar were searched from database inception to February 2021. ELIGIBILITY CRITERIA Cross-sectional studies available in English or Spanish language were included if they focused on evaluating the forces or strain of human tendons in vivo during dynamic exercises. Studies were excluded if they did not evaluate tendon forces or strain; if they evaluated running, walking, jumping, landing or no dynamic exercise at all; and if they were conference proceedings or book chapters. DATA EXTRACTION AND SYNTHESIS Data extracted included year of publication, study setting, study population characteristics, technique used and exercises evaluated. The studies were grouped by the types of techniques and the tendon location. RESULTS Twenty-one studies were included. Fourteen studies used an indirect methodology based on inverse dynamics, nine of them in the Achilles and five in the patellar tendon. Six studies implemented force transducers for measuring tendon forces in open carpal tunnel release surgery patients. One study applied an optic fibre technique to detect forces in the patellar tendon. Four studies measured strain using ultrasound-based techniques. CONCLUSIONS There is a predominant use of inverse dynamics, but force transducers, optic fibre and estimations from strain data are also used. Although these tools may be used to make general estimates of tendon forces and strains, the invasiveness of some methods and the loss of immediacy of others make it difficult to provide immediate feedback to the individuals.
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Affiliation(s)
- Adrian Escriche-Escuder
- Department of Physiotherapy, University of Malaga, Malaga, Spain
- Instituto de Investigación Biomédica de Málaga (IBIMA), Malaga, Spain
| | - Antonio I Cuesta-Vargas
- Department of Physiotherapy, University of Malaga, Malaga, Spain
- Instituto de Investigación Biomédica de Málaga (IBIMA), Malaga, Spain
- Department of Health, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Jose Casaña
- Department of Physiotherapy, University of Valencia, Valencia, Spain
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5
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Fernandez-Yague MA, Trotier A, Demir S, Abbah SA, Larrañaga A, Thirumaran A, Stapleton A, Tofail SAM, Palma M, Kilcoyne M, Pandit A, Biggs MJ. A Self-Powered Piezo-Bioelectric Device Regulates Tendon Repair-Associated Signaling Pathways through Modulation of Mechanosensitive Ion Channels. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2008788. [PMID: 34423493 DOI: 10.1002/adma.202008788] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 05/17/2021] [Indexed: 06/13/2023]
Abstract
Tendon disease constitutes an unmet clinical need and remains a critical challenge in the field of orthopaedic surgery. Innovative solutions are required to overcome the limitations of current tendon grafting approaches, and bioelectronic therapies show promise in treating musculoskeletal diseases, accelerating functional recovery through the activation of tissue regeneration-specific signaling pathways. Self-powered bioelectronic devices, particularly piezoelectric materials, represent a paradigm shift in biomedicine, negating the need for battery or external powering and complementing existing mechanotherapy to accelerate the repair processes. Here, the dynamic response of tendon cells to a piezoelectric collagen-analogue scaffold comprised of aligned nanoscale fibers made of the ferroelectric material poly(vinylidene fluoride-co-trifluoroethylene) is shown. It is demonstrated that motion-powered electromechanical stimulation of tendon tissue through piezo-bioelectric device results in ion channel modulation in vitro and regulates specific tissue regeneration signaling pathways. Finally, the potential of the piezo-bioelectronic device in modulating the progression of tendinopathy-associated processes in vivo, using a rat Achilles acute injury model is shown. This study indicates that electromechanical stimulation regulates mechanosensitive ion channel sensitivity and promotes tendon-specific over non-tenogenic tissue repair processes.
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Affiliation(s)
- Marc A Fernandez-Yague
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland, Galway, H91W2TY, Ireland
| | - Alexandre Trotier
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland, Galway, H91W2TY, Ireland
| | - Secil Demir
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland, Galway, H91W2TY, Ireland
| | - Sunny Akogwu Abbah
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland, Galway, H91W2TY, Ireland
| | - Aitor Larrañaga
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland, Galway, H91W2TY, Ireland
- University of the Basque Country, Department of Mining-Metallurgy Engineering and Materials Science and POLYMAT, Barrio Sarriena, Bilbao, 48013, Spain
| | - Arun Thirumaran
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland, Galway, H91W2TY, Ireland
| | - Aimee Stapleton
- University of Limerick, Department of Physics, Limerick, V94 T9PX, Ireland
| | - Syed A M Tofail
- University of Limerick, Department of Physics, Limerick, V94 T9PX, Ireland
| | - Matteo Palma
- Queen Mary University of London, Materials Research Institute and School of Biological and Chemical Sciences, Mile End Road, London, E1 4NS, UK
| | - Michelle Kilcoyne
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland, Galway, H91W2TY, Ireland
| | - Abhay Pandit
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland, Galway, H91W2TY, Ireland
| | - Manus J Biggs
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland, Galway, H91W2TY, Ireland
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Indirect Structural Muscle Injuries of Lower Limb: Rehabilitation and Therapeutic Exercise. J Funct Morphol Kinesiol 2021; 6:jfmk6030075. [PMID: 34564194 PMCID: PMC8482242 DOI: 10.3390/jfmk6030075] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/07/2021] [Accepted: 09/09/2021] [Indexed: 11/17/2022] Open
Abstract
Muscle injuries are the most common trauma in team and individual sports. The muscles most frequently affected are those of the lower limb, and in particular hamstrings, adductors, rectus femoris and calf muscles. Although several scientific studies have tried to propose different rehabilitation protocols, still too often the real rehabilitation process is not based on scientific knowledge, especially in non-elite athletes. Moreover, the growing use of physical and instrumental therapies has made it increasingly difficult to understand what can be truly effective. Therefore, the aim of the present paper is to review proposed therapeutic algorithms for muscle injuries, proposing a concise and practical summary. Following a three-phase rehabilitation protocol, this review aims to describe the conservative treatment of indirect structural muscle injuries, which are the more routinely found and more challenging type. For each phase, until return to training and return to sport are completed, the functional goal, the most appropriate practitioner, and the best possible treatment according to current evidence are expressed. Finally, the last section is focused on the specific exercise rehabilitation for the four main muscle groups with a structured explanatory timetable.
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Yeh CH, Calder JD, Antflick J, Bull AMJ, Kedgley AE. Maximum dorsiflexion increases Achilles tendon force during exercise for midportion Achilles tendinopathy. Scand J Med Sci Sports 2021; 31:1674-1682. [PMID: 33864294 DOI: 10.1111/sms.13974] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 04/05/2021] [Accepted: 04/09/2021] [Indexed: 11/30/2022]
Abstract
Rehabilitation is an important treatment for non-insertional Achilles tendinopathy. To date, eccentric loading exercises (ECC) have been the predominant choice; however, mechanical evidence underlying their use remains unclear. Other protocols, such as heavy slow resistance loading (HSR), have shown comparable outcomes, but with less training time. This study aims to identify the effect of external loading and other variables that influence Achilles tendon (AT) force in ECC and HSR. Ground reaction force and kinematic data during ECC and HSR were collected from 18 healthy participants for four loading conditions. The moment arms of the AT were estimated from MRIs of each participant. AT force then was calculated using the ankle torque obtained from inverse dynamics. In the eccentric phase, the AT force was not larger than in the concentric phase in both ECC and HSR. Under the same external load, the force through the AT was larger in ECC with the knee bent than in HSR with the knee straight due to increased dorsiflexion angle of the ankle. Multivariate regression analysis showed that external load and maximum dorsiflexion angle were significant predictors of peak AT force in both standing and seated positions. Therefore, to increase the effectiveness of loading the AT, exercises should apply adequate external load and reach maximum dorsiflexion during the movement. Peak dorsiflexion angle affected the AT force in a standing position at twice the rate of a seated position, suggesting standing could prove more effective for the same external loading and peak dorsiflexion angle.
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Affiliation(s)
- Chia-Han Yeh
- Department of Bioengineering, Imperial College London, London, UK
| | - James D Calder
- Department of Bioengineering, Imperial College London, London, UK.,Fortius Clinic, London, UK
| | | | - Anthony M J Bull
- Department of Bioengineering, Imperial College London, London, UK
| | - Angela E Kedgley
- Department of Bioengineering, Imperial College London, London, UK
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Citeroni MR, Ciardulli MC, Russo V, Della Porta G, Mauro A, El Khatib M, Di Mattia M, Galesso D, Barbera C, Forsyth NR, Maffulli N, Barboni B. In Vitro Innovation of Tendon Tissue Engineering Strategies. Int J Mol Sci 2020; 21:E6726. [PMID: 32937830 PMCID: PMC7555358 DOI: 10.3390/ijms21186726] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 09/06/2020] [Accepted: 09/07/2020] [Indexed: 12/12/2022] Open
Abstract
Tendinopathy is the term used to refer to tendon disorders. Spontaneous adult tendon healing results in scar tissue formation and fibrosis with suboptimal biomechanical properties, often resulting in poor and painful mobility. The biomechanical properties of the tissue are negatively affected. Adult tendons have a limited natural healing capacity, and often respond poorly to current treatments that frequently are focused on exercise, drug delivery, and surgical procedures. Therefore, it is of great importance to identify key molecular and cellular processes involved in the progression of tendinopathies to develop effective therapeutic strategies and drive the tissue toward regeneration. To treat tendon diseases and support tendon regeneration, cell-based therapy as well as tissue engineering approaches are considered options, though none can yet be considered conclusive in their reproduction of a safe and successful long-term solution for full microarchitecture and biomechanical tissue recovery. In vitro differentiation techniques are not yet fully validated. This review aims to compare different available tendon in vitro differentiation strategies to clarify the state of art regarding the differentiation process.
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Affiliation(s)
- Maria Rita Citeroni
- Unit of Basic and Applied Biosciences, Faculty of Bioscience and Agro-Food and Environmental Technology, University of Teramo, 64100 Teramo, Italy; (V.R.); (A.M.); (M.E.K.); (M.D.M.); (B.B.)
| | - Maria Camilla Ciardulli
- Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi (SA), Italy; (M.C.C.); (G.D.P.); (N.M.)
| | - Valentina Russo
- Unit of Basic and Applied Biosciences, Faculty of Bioscience and Agro-Food and Environmental Technology, University of Teramo, 64100 Teramo, Italy; (V.R.); (A.M.); (M.E.K.); (M.D.M.); (B.B.)
| | - Giovanna Della Porta
- Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi (SA), Italy; (M.C.C.); (G.D.P.); (N.M.)
- Interdepartment Centre BIONAM, Università di Salerno, via Giovanni Paolo I, 84084 Fisciano (SA), Italy
| | - Annunziata Mauro
- Unit of Basic and Applied Biosciences, Faculty of Bioscience and Agro-Food and Environmental Technology, University of Teramo, 64100 Teramo, Italy; (V.R.); (A.M.); (M.E.K.); (M.D.M.); (B.B.)
| | - Mohammad El Khatib
- Unit of Basic and Applied Biosciences, Faculty of Bioscience and Agro-Food and Environmental Technology, University of Teramo, 64100 Teramo, Italy; (V.R.); (A.M.); (M.E.K.); (M.D.M.); (B.B.)
| | - Miriam Di Mattia
- Unit of Basic and Applied Biosciences, Faculty of Bioscience and Agro-Food and Environmental Technology, University of Teramo, 64100 Teramo, Italy; (V.R.); (A.M.); (M.E.K.); (M.D.M.); (B.B.)
| | - Devis Galesso
- Fidia Farmaceutici S.p.A., via Ponte della Fabbrica 3/A, 35031 Abano Terme (PD), Italy; (D.G.); (C.B.)
| | - Carlo Barbera
- Fidia Farmaceutici S.p.A., via Ponte della Fabbrica 3/A, 35031 Abano Terme (PD), Italy; (D.G.); (C.B.)
| | - Nicholas R. Forsyth
- Guy Hilton Research Centre, School of Pharmacy and Bioengineering, Keele University, Thornburrow Drive, Stoke on Trent ST4 7QB, UK;
| | - Nicola Maffulli
- Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi (SA), Italy; (M.C.C.); (G.D.P.); (N.M.)
- Department of Musculoskeletal Disorders, Faculty of Medicine and Surgery, University of Salerno, Via San Leonardo 1, 84131 Salerno, Italy
- Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Mile End Hospital, Queen Mary University of London, 275 Bancroft Road, London E1 4DG, UK
- School of Pharmacy and Bioengineering, Keele University School of Medicine, Thornburrow Drive, Stoke on Trent ST5 5BG, UK
| | - Barbara Barboni
- Unit of Basic and Applied Biosciences, Faculty of Bioscience and Agro-Food and Environmental Technology, University of Teramo, 64100 Teramo, Italy; (V.R.); (A.M.); (M.E.K.); (M.D.M.); (B.B.)
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9
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Head J, Mallows A, Debenham J, Travers MJ, Allen L. The efficacy of loading programmes for improving patient-reported outcomes in chronic midportion Achilles tendinopathy: A systematic review. Musculoskeletal Care 2019; 17:283-299. [PMID: 31763774 DOI: 10.1002/msc.1428] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 08/01/2019] [Accepted: 08/05/2019] [Indexed: 06/10/2023]
Abstract
OBJECTIVE Achilles tendinopathy is a common type of overuse condition, with isolated eccentric loading (ECL) programmes being the principal conservative treatment of choice. However, alternative protocols, involving different contraction types, have more recently been investigated. The purpose of the present review was to examine the evidence from studies comparing two or more different types of loading programmes in relation to patient-reported outcomes for people with Achilles tendinopathy. METHODS A systematic review was undertaken, and the risk of bias of included papers were assessed using the Cochrane Risk of Bias tool. An electronic search of CINAHL, MEDLINE, Embase and SPORTDiscus was undertaken from their inception to May 2018. The eligibility criteria for selecting studies were randomized controlled or clinical controlled trials investigating two or more different loading programmes for chronic (>3 months) Achilles tendinopathy. RESULTS Seven articles were included in the review. Low-quality evidence exists that a do-as-tolerated modification of the Alfredson programme is more effective than the standardized programme at improving function in the short term. Very-low-quality evidence suggests that ECL is superior at reducing pain levels than concentric in isolation, but no more effective at improving pain or disability than concentric-eccentric programmes. CONCLUSIONS There is conflicting evidence regarding the superiority of ECL over other contraction types, challenging the current approach to managing Achilles tendinopathy. There is also evidence that do-as-tolerated repetition volumes are more effective at improving function in the short term compared with those recommended by the standardized Alfredson protocol.
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Affiliation(s)
- John Head
- School of Sport Rehabilitation and Exercise Sciences, University of Essex, Colchester, Essex, UK
| | - Adrian Mallows
- School of Sport Rehabilitation and Exercise Sciences, University of Essex, Colchester, Essex, UK
| | - James Debenham
- School of Physiotherapy, The University of Notre Dame, Fremantle, WA, Australia
| | - Mervyn J Travers
- School of Physiotherapy, University of Notre Dame Australia, Fremantle, WA, Australia
- School of Physiotherapy and Exercise Science, Curtin University, Bentley, WA, Australia
| | - Lorraine Allen
- School of Sport Rehabilitation and Exercise Sciences, University of Essex, Colchester, Essex, UK
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Quinlan JI, Narici MV, Reeves ND, Franchi MV. Tendon Adaptations to Eccentric Exercise and the Implications for Older Adults. J Funct Morphol Kinesiol 2019; 4:E60. [PMID: 33467375 PMCID: PMC7739434 DOI: 10.3390/jfmk4030060] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 08/14/2019] [Accepted: 08/19/2019] [Indexed: 12/12/2022] Open
Abstract
The purpose of this short review is to discuss the effects of eccentric exercise in modifying the properties of tendon tissue in healthy individuals. The tendon provides a mechanical link between muscle and bone, allowing force transmission to the skeleton, and thus, its properties have significant functional implications. Chronic resistance training has long been shown to increase the stiffness and Young's modulus of the tendon and even tendon cross-sectional area. However, as the tendon responds to the amount and/or frequency of strain, it has been previously suggested that eccentric training may result in greater adaptations due to the potential for greater training loads. Thus, this review discusses the effects of eccentric training upon healthy tendon tissue and compares these to other training modalities. Furthermore, it has been reported that the tendon may undergo adverse age-related changes. Thus, this review also discusses the potential application of eccentric resistance training as a preferential modality for counteracting these age-related changes. We conclude that while there may be no difference between contraction types for overall tendon adaptation, the lower demands of eccentric contractions may make it more appealing for the elderly population.
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Affiliation(s)
- Jonathan I Quinlan
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham B15 2TT, UK
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham, NHS Foundation Trust and University of Birmingham, Birmingham B15 2GW, UK
| | - Marco V Narici
- Department of Biomedical Sciences, Institute of Physiology, University of Padua, 35131 Padua, Italy
| | - Neil D Reeves
- Department of Life Sciences, Research Centre for Musculoskeletal Science and Sports Medicine, Manchester Metropolitan University, Manchester M1 5GD, UK
| | - Martino V Franchi
- Department of Biomedical Sciences, Institute of Physiology, University of Padua, 35131 Padua, Italy
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11
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Udeze CP, Jones ER, Riley GP, Morrissey D, Screen HRC. An in vitro investigation into the effects of 10 Hz cyclic loading on tenocyte metabolism. Scand J Med Sci Sports 2019; 29:1511-1520. [PMID: 31102473 DOI: 10.1111/sms.13465] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 03/25/2019] [Accepted: 04/30/2019] [Indexed: 12/25/2022]
Abstract
Tendinopathy is a prevalent, highly debilitating condition, with poorly defined etiology. A wide range of clinical treatments has been proposed, with systematic reviews largely supporting shock wave therapy or eccentric exercise. Characterizing these treatments have demonstrated both generate perturbations within tendon at a frequency of approximately 8-12 Hz. Consequently, it is hypothesized that loading in this frequency range initiates increased anabolic tenocyte behavior, promoting tendon repair. The primary aim of this study was to investigate the effects of 10 Hz perturbations on tenocyte metabolism, comparing gene expression in response to a 10 Hz and 1 Hz loading profile. Tenocytes from healthy and tendinopathic human tendons were seeded into 3D collagen gels and subjected to 15 minutes cyclic strain at 10 Hz or 1 Hz. Tenocytes from healthy tendon showed increased expression of all analyzed genes in response to loading, with significantly increased expression of inflammatory and degradative genes with 10 Hz, relative to 1 Hz loading. By contrast, whilst the response of tenocytes from tendinopathy tendon also increased with 10 Hz loading, the overall response profile was more varied and less intense, possibly indicative of an altered healing response. Through inhibition of the pathway, IL1 was shown to be involved in the degradative and catabolic response of cells to high-frequency loading, abrogating the loading response. This study has demonstrated for the first time that loading at a frequency of 10 Hz may enhance the metabolic response of tenocytes by initiating an immediate degradatory and inflammatory cell response through the IL1 pathway, perhaps as an initial stage of tendon healing.
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Affiliation(s)
- Chineye P Udeze
- School of Engineering and Material Science, Queen Mary University of London, London, UK
| | | | | | - Dylan Morrissey
- Sport and Exercise Medicine, Queen Mary University of London, London, UK.,Physiotherapy Department, Bart's Health NHS Trust, London, UK
| | - Hazel R C Screen
- School of Engineering and Material Science, Queen Mary University of London, London, UK
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12
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Peng WC, Chao YH, Fu ASN, Fong SSM, Rolf C, Chiang H, Chen S, Wang HK. Muscular Morphomechanical Characteristics After an Achilles Repair. Foot Ankle Int 2019; 40:568-577. [PMID: 30654659 DOI: 10.1177/1071100718822537] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND The purpose of the study was to compare the morphomechanical and functional characteristics during maximal isometric, concentric, and eccentric contractions in the legs of patients that underwent unilateral Achilles tendon repair with those in their noninjured control legs. METHODS Twenty participants (median age = 38.2 years; range, 21.1-57.3 years) who underwent Achilles repair between 3 and 12 months ago were recruited with the following measures: (1) mechanical stiffness of the aponeurosis and (2) electromyography and medial gastrocnemius fascicle angle and length, standing muscle and tendon length, and height of heel rise with isometric contraction. RESULTS Compared to the noninjured legs, the repaired legs showed less resting fascicle length, standing muscle length, isometric plantarflexion torque, and heel raise distance ( Ps ranged between .044 and <.001). During the concentric and eccentric phases of the raising and lowering test, the repaired legs demonstrated less fascicle length ( P ≤ .028) but greater tendinous tissue length ( Ps ranged between .084 and <.001) and fascicle angle ( Ps ranged between .247 and .008) and fewer change magnitudes of the fascicle length and tendinous tissue length ( P ≤ .003). The change magnitudes of the morphological characteristics showed correlations with the torque or distance. CONCLUSION Selecting the appropriate surgical repair and rehabilitation for Achilles tendon ruptures is recommended for restoring the length and mechanical strength of the muscle-tendon unit of plantar-flexion muscles. LEVEL OF EVIDENCE Level III, comparative study.
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Affiliation(s)
- Wei-Chen Peng
- 1 School and Graduate Institute of Physical Therapy, College of Medicine, National Taiwan University, China.,2 Center of Physical Therapy, National Taiwan University Hospital, China
| | - Yuan-Hung Chao
- 1 School and Graduate Institute of Physical Therapy, College of Medicine, National Taiwan University, China.,2 Center of Physical Therapy, National Taiwan University Hospital, China
| | - Amy S N Fu
- 3 Department of Rehabilitation Science, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Shirley S M Fong
- 4 School of Public Health, University of Hong Kong, Pokfulam, Hong Kong, China
| | - Christer Rolf
- 5 Department of Orthopaedics, Clintec, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Hongsen Chiang
- 6 Department of Orthopaedic Surgery, National Taiwan University Hospital and College of Medicine, National Taiwan University, China
| | - Shiyi Chen
- 7 Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Hsing-Kuo Wang
- 1 School and Graduate Institute of Physical Therapy, College of Medicine, National Taiwan University, China.,2 Center of Physical Therapy, National Taiwan University Hospital, China
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13
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Magnusson SP, Kjaer M. The impact of loading, unloading, ageing and injury on the human tendon. J Physiol 2018; 597:1283-1298. [PMID: 29920664 DOI: 10.1113/jp275450] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 05/30/2018] [Indexed: 12/28/2022] Open
Abstract
A tendon transfers force from the contracting muscle to the skeletal system to produce movement and is therefore a crucial component of the entire muscle-tendon complex and its function. However, tendon research has for some time focused on mechanical properties without any major appreciation of potential cellular and molecular changes. At the same time, methodological developments have permitted determination of the mechanical properties of human tendons in vivo, which was previously not possible. Here we review the current understanding of how tendons respond to loading, unloading, ageing and injury from cellular, molecular and mechanical points of view. A mechanistic understanding of tendon tissue adaptation will be vital for development of adequate guidelines in physical training and rehabilitation, as well as for optimal injury treatment.
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Affiliation(s)
- S Peter Magnusson
- Institute of Sports Medicine Copenhagen, Bispebjerg Hospital, Copenhagen, NV.,Department of Physical and Occupational Therapy Bispebjerg Hospital, Copenhagen, NV.,Center for Healthy Aging, Department of Health and Medical Sciences, University of Copenhagen, Copenhagen N, Denmark
| | - Michael Kjaer
- Institute of Sports Medicine Copenhagen, Bispebjerg Hospital, Copenhagen, NV.,Center for Healthy Aging, Department of Health and Medical Sciences, University of Copenhagen, Copenhagen N, Denmark
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14
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Bisciotti GN, Volpi P, Amato M, Alberti G, Allegra F, Aprato A, Artina M, Auci A, Bait C, Bastieri GM, Balzarini L, Belli A, Bellini G, Bettinsoli P, Bisciotti A, Bisciotti A, Bona S, Brambilla L, Bresciani M, Buffoli M, Calanna F, Canata GL, Cardinali D, Carimati G, Cassaghi G, Cautero E, Cena E, Corradini B, Corsini A, D'Agostino C, De Donato M, Delle Rose G, Di Marzo F, Di Pietto F, Enrica D, Eirale C, Febbrari L, Ferrua P, Foglia A, Galbiati A, Gheza A, Giammattei C, Masia F, Melegati G, Moretti B, Moretti L, Niccolai R, Orgiani A, Orizio C, Pantalone A, Parra F, Patroni P, Pereira Ruiz MT, Perri M, Petrillo S, Pulici L, Quaglia A, Ricciotti L, Rosa F, Sasso N, Sprenger C, Tarantola C, Tenconi FG, Tosi F, Trainini M, Tucciarone A, Yekdah A, Vuckovic Z, Zini R, Chamari K. Italian consensus conference on guidelines for conservative treatment on lower limb muscle injuries in athlete. BMJ Open Sport Exerc Med 2018; 4:e000323. [PMID: 29862040 PMCID: PMC5976114 DOI: 10.1136/bmjsem-2017-000323] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 02/14/2018] [Accepted: 03/02/2018] [Indexed: 02/07/2023] Open
Abstract
Provide the state of the art concerning (1) biology and aetiology, (2) classification, (3) clinical assessment and (4) conservative treatment of lower limb muscle injuries (MI) in athletes. Seventy international experts with different medical backgrounds participated in the consensus conference. They discussed and approved a consensus composed of four sections which are presented in these documents. This paper represents a synthesis of the consensus conference, the following four sections are discussed: (i) The biology and aetiology of MIs. A definition of MI was formulated and some key points concerning physiology and pathogenesis of MIs were discussed. (ii) The MI classification. A classification of MIs was proposed. (iii) The MI clinical assessment, in which were discussed anamnesis, inspection and clinical examination and are provided the relative guidelines. (iv) The MI conservative treatment, in which are provided the guidelines for conservative treatment based on the severity of the lesion. Furthermore, instrumental therapy and pharmacological treatment were discussed. Knowledge of the aetiology and biology of MIs is an essential prerequisite in order to plan and conduct a rehabilitation plan. Another important aspect is the use of a rational MI classification on prognostic values. We propose a classification based on radiological investigations performed by ultrasonography and MRI strongly linked to prognostic factors. Furthermore, the consensus conference results will able to provide fundamental guidelines for diagnostic and rehabilitation practice, also considering instrumental therapy and pharmacological treatment of MI. Expert opinion, level IV.
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Affiliation(s)
- Gian Nicola Bisciotti
- Qatar Orthopaedic and Sport Medicine Hospital, Doha, Qatar
- Centro Studi Kinemove Rehabilitation Centers, Pontremoli, Italy
| | - Piero Volpi
- Istituto Clinico Humanitas, Milano, Italy
- FC Internazionale, Milano, Italy
| | | | | | | | | | | | - Alessio Auci
- UOS Angiografia e Radiologia Interventistica, Ospedale delle Apuane, Massa-Carrara, Italy
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Emanuele Cena
- Qatar Orthopaedic and Sport Medicine Hospital, Doha, Qatar
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Biagio Moretti
- Azienda Ospedaliero-Universitaria “Policlinico”, Bari, Italy
| | - Lorenzo Moretti
- Azienda Ospedaliero-Universitaria “Policlinico”, Bari, Italy
| | | | | | | | | | - Federica Parra
- Centro Studi Kinemove Rehabilitation Centers, Pontremoli, Italy
| | | | | | | | | | - Luca Pulici
- Istituto Ortopedico Gaetano Pini, Milano, Italy
| | | | - Luca Ricciotti
- Centro Studi Kinemove Rehabilitation Centers, Pontremoli, Italy
| | | | | | | | | | | | - Fabio Tosi
- Centro Studi Kinemove Rehabilitation Centers, Pontremoli, Italy
| | | | | | - Ali Yekdah
- FAF Jenia Centre Med Sport, Algeri, Algeria
| | - Zarko Vuckovic
- Qatar Orthopaedic and Sport Medicine Hospital, Doha, Qatar
| | - Raul Zini
- Maria Cecilia Hospital, Cotignola, Italy
| | - Karim Chamari
- Qatar Orthopaedic and Sport Medicine Hospital, Doha, Qatar
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15
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Abstract
Synopsis Tendinopathy is a very common disorder in both recreational and elite athletes. Many individuals have recurrent symptoms that lead to chronic conditions and termination of sports activity. Exercise has become a popular and somewhat efficacious treatment regime, and isolated eccentric exercise has been particularly promoted. In this clinical commentary, we review the relevant evidence for different exercise regimes in tendinopathy rehabilitation, with particular focus on the applied loads that are experienced by the tendon and how the exercise regime may affect these applied loads. There is no convincing clinical evidence to demonstrate that isolated eccentric loading exercise improves clinical outcomes more than other loading therapies. However, the great variation and sometimes insufficient reporting of the details of treatment protocols may hamper the interpretation of what may be the optimal exercise regime with respect to parameters such as load magnitude, speed of movement, and recovery period between exercise sessions. Future studies should control for these loading parameters, evaluate various exercise dosages, and think beyond isolated eccentric exercises to arrive at firm recommendations regarding rehabilitation of individuals with tendinopathies. J Orthop Sports Phys Ther 2015;45(11):853-863. Epub 14 Oct 2015. doi:10.2519/jospt.2015.5910.
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