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Fischer S. [Acute rupture of the Achilles tendon : Diagnostics, treatment and aftercare]. UNFALLCHIRURGIE (HEIDELBERG, GERMANY) 2024; 127:597-606. [PMID: 38990312 DOI: 10.1007/s00113-024-01454-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/03/2024] [Indexed: 07/12/2024]
Abstract
With up to 50 incidents per 100,000 inhabitants, Achilles tendon ruptures are among the most frequent tendon injuries encountered in orthopedics and trauma surgery. Apart from high-risk forms of sport, degenerative processes are primarily responsible for weakening and ultimately rupture. In addition to assessing the typical clinical signs with inability to perform powerful plantar flexion, the diagnostics include easy to earn examination techniques, such as the Thompson test and ultrasound as the imaging gold standard. Conservative and surgical treatment are available depending on the constitution, age and requirements of the patient. The latter option is divided into conventional open, minimally invasive or percutaneous procedures. Good to very good results can be expected regardless of the form of treatment, provided that early functional rehabilitation is carried out. The average rerupture rate is 5% and the return to sport rate is around 80%.
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Affiliation(s)
- Sebastian Fischer
- Berufsgenossenschaftliche Unfallklinik Frankfurt a. M., Friedberger Landstraße 430, Frankfurt am Main, Deutschland.
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Morgan RM, Wheeler TD, Poolman MA, Haugen ENJ, LeMire SD, Fitzgerald JS. Effects of Photobiomodulation on Pain and Return to Play of Injured Athletes: A Systematic Review and Meta-analysis. J Strength Cond Res 2024; 38:e310-e319. [PMID: 38781474 DOI: 10.1519/jsc.0000000000004752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
ABSTRACT Morgan, RM, Wheeler, TD, Poolman, MA, Haugen, ENJ, LeMire, SD, and Fitzgerald, JS. Effects of photobiomodulation on pain and return to play of injured athletes: A systematic review and meta-analysis. J Strength Cond Res 38(6): e310-e319, 2024-The aims of this systematic review and meta-analysis were to evaluate the effect of photobiomodulation (PBM) on musculoskeletal pain in injured athletes and to determine if the effects of PBM allowed injured athletes to return to play faster. Electronic databases (MEDLINE Complete, CINAHL, and SPORTDiscus, PubMed, Web of Science, and Embase) were systematically searched (up to and including November 7, 2023) for peer-reviewed randomized controlled trials (RCTs) meeting criteria. Six RCTs, representing 205 competitive and recreational athletes with a mean age of 24 years, were included in the analysis. There were 6 intervention groups using standard physical therapy (n = 1), placebo PBM (n = 4), and aloe gel (n = 1) lasting between 10 minutes and 8 weeks in duration. The level of significance set for the study was p < 0.05. Overall, the use of PBM indicated a positive effect on pain reduction for PBM vs. control groups, standardized mean differences = 1.03, SE = 0.22, 95% confidence intervals = [0.43-1.63], p = 0.0089, but the 2 RCTs found evaluating the effect of PBM on time to return to play after injury in athletes do not support a benefit. Allied healthcare professionals may use PBM to reduce pain, thus allowing an athlete to return to their normal biomechanical movement faster; however, limited evidence suggests that PBM does not reduce time to return to play after an injury.
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Affiliation(s)
- Richard M Morgan
- Department of Physical Therapy, University of North Dakota, Grand Forks, North Dakota
| | - Tyler D Wheeler
- Department of Athletic Training, Training HAUS, Eagan, Minnesota
| | - Mark A Poolman
- Department of Sports Medicine, University of North Dakota, Grand Forks, North Dakota
| | - Erin N J Haugen
- Department of Clinical and Sport Psychology, Assessment and Therapy Associates of Grand Forks, PLLC, Grand Forks, North Dakota
| | - Steven D LeMire
- Department of Educational Foundations and Research, University of North Dakota, Grand Forks, North Dakota; and
| | - John S Fitzgerald
- Department of Education, Health and Behavior Studies, University of North Dakota, Grand Forks, North Dakota
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Cushman DM, Carefoot A, Corcoran B, Vu L, Fredericson M, Fausett C, Teramoto M, Eby SF. Prevalence of Sonographic Achilles Tendon, Patellar Tendon, and Plantar Fascia Abnormalities in Division I Collegiate Athletes From a Variety of Sports. Clin J Sport Med 2024; 34:297-303. [PMID: 37540559 PMCID: PMC10838354 DOI: 10.1097/jsm.0000000000001183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 06/28/2023] [Indexed: 08/05/2023]
Abstract
OBJECTIVE This study aimed to determine the prevalence of ultrasound abnormalities in the Achilles tendon, patellar tendon, and plantar fascia among a large cohort of collegiate student-athletes. DESIGN Observational cross-sectional study. SETTING Three Division I institutions. PARTICIPANTS 243 student-athletes participated in this study. Exclusion criteria included those younger than 18 years or who underwent prior surgery/amputation of structures, including anterior cruciate ligament (ACL) surgeries with patellar tendon grafts. INTERVENTIONS Ultrasound examination of the Achilles tendon, patellar tendon, and plantar fascia of each leg was performed. An experienced sonographer reviewed each tendon video in a blinded manner, with a separate experienced sonographer separately reviewing to establish inter-rater reliability. MAIN OUTCOME MEASURES The primary outcome measured was the presence of any sonographic abnormality including hypoechogenicity, thickening, or neovascularity. RESULTS Ultrasound abnormalities were identified in 10.1%, 37.2%, and 3.9% of all Achilles tendons, patellar tendons, and plantar fasciae, respectively. Abnormalities were significantly associated with the presence of concurrent pain for all structures ( P < 0.01). Specifically, athletes with sonographic abnormalities were approximately 4 times [relative risk (RR) = 4.25; 95% confidence interval (CI), 2.05-8.84], 6 times (RR = 5.69; 95% CI, 2.31-14.00), and 5 times (RR = 5.17; 95% CI, 1.76-15.25) more likely to self-report pain in the Achilles tendon, patellar tendon, and plantar fascia, respectively. CONCLUSIONS This multi-institutional study completed at 3 Division I institutions is the largest study of its kind to identify the prevalence of sonographic abnormalities in the Achilles tendon, patellar tendon, and plantar fascia among collegiate student-athletes of various sports.
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Affiliation(s)
- Daniel M Cushman
- Departments of Physical Medicine & Rehabilitation; and
- Orthopaedics, University of Utah, Salt Lake City, Utah
| | | | - Blake Corcoran
- Washington State University, Cougar Health Services, Pullman, Washington
| | - Leyen Vu
- Washington State University, Cougar Health Services, Pullman, Washington
| | - Michael Fredericson
- Division of Physical Medicine & Rehabilitation, Department of Orthopedic Surgery, Stanford University, Palo Alto, California; and
| | - Cameron Fausett
- Division of Physical Medicine & Rehabilitation, Department of Orthopedic Surgery, Stanford University, Palo Alto, California; and
| | | | - Sarah F Eby
- Department of Physical Medicine & Rehabilitation, Harvard Medical School/Spaulding Rehabilitation Hospital, Boston, Massachusetts
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Joo Y, Choi W, Jung J, Kim H, Park S, Lee S, Lee S. Does Radial Extracorporeal Shockwave Therapy Applied to the Achilles Tendon Influence Ankle Functionality? J Funct Morphol Kinesiol 2024; 9:67. [PMID: 38651425 PMCID: PMC11036220 DOI: 10.3390/jfmk9020067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/04/2024] [Accepted: 04/04/2024] [Indexed: 04/25/2024] Open
Abstract
This study aimed to determine the effectiveness of radial extracorporeal shockwave therapy (rESWT) in enhancing ankle function in patients with Achilles tendon injuries. The choice of rESWT was based on previous success in the treatment of musculoskeletal conditions. The study involved an intervention group that received rESWT, and a control group that received sham therapy. The results revealed that rESWT led to significant improvements in single-leg vertical jump (d = 0.55, p < 0.05), indicating enhanced power generation and ankle functionality that were not observed in the control group. Additionally, the therapy resulted in increased ankle mobility, as observed by improvements in plantar flexion and heel-rise tests. Interestingly, these functional gains were not accompanied by changes in the Achilles tendon stiffness, suggesting that the benefits of rESWT may be more functional than structural. This study highlights rESWT as a promising tool for rehabilitation, particularly following Achilles tendon injuries. The study concluded that, although rESWT appears to improve certain aspects of ankle function, further studies with a larger and more diverse population over a longer period are necessary to confirm these findings and establish comprehensive treatment protocols.
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Affiliation(s)
- Younglan Joo
- Minimal Pilates & Move, PH 24, UN Village-gil, Yongsan-gu, Seoul 04420, Republic of Korea
| | - Wonjae Choi
- Department of Physical Therapy, Joongbu University, 201, Daehak-ro, Chubu-myeon, Geumsan 32713, Republic of Korea
| | - Jihye Jung
- Institute of SMART Rehabilitation, Sahmyook University, 815, Hwarang-ro, Nowon-gu, Seoul 01795, Republic of Korea
| | - Hyunjoong Kim
- Department of Senior Exercise Prescription, Gwangju Health University, 73, Bungmun-daero 419beon-gil, Gwangju 62287, Republic of Korea
| | - Sungeon Park
- Department of Physical Therapy, Graduate School, Sahmyook University, 815, Hwarang-ro, Seoul 01795, Republic of Korea
| | - Sangbong Lee
- Department of Physical Therapy, Graduate School, Sahmyook University, 815, Hwarang-ro, Seoul 01795, Republic of Korea
| | - Seungwon Lee
- Institute of SMART Rehabilitation, Sahmyook University, 815, Hwarang-ro, Nowon-gu, Seoul 01795, Republic of Korea
- Department of Physical Therapy, Sahmyook University, 815, Hwarang-ro, Seoul 01795, Republic of Korea
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Flores DV, Goes PK, Damer A, Huang BK. The Heel Complex: Anatomy, Imaging, Pathologic Conditions, and Treatment. Radiographics 2024; 44:e230163. [PMID: 38512730 DOI: 10.1148/rg.230163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
The differential diagnosis for heel pain is broad but primarily involves abnormalities of the Achilles tendon, calcaneus, and plantar fascia. Achilles tendon disorders include tendinosis, tendinitis, and partial or complete tears. Tendinosis refers to tendon degeneration, while tendinitis is inflammation after acute overload. Untreated tendinosis can progress to partial or complete tears. Tendon disorders can be accompanied by paratenonitis or inflammation of the loose sheath enclosing the tendon. Initial management involves rehabilitation and image-guided procedures. Operative management is reserved for tendon tears and includes direct repair, tendon transfer, and graft reconstruction. The calcaneus is the most commonly fractured tarsal bone. The majority of fractures are intra-articular; extra-articular fractures, stress or insufficiency fractures, medial process avulsion, and neuropathic avulsion can also occur. Posterosuperior calcaneal exostosis or Haglund deformity, retrocalcaneal bursitis, and insertional Achilles tendinosis form the characteristic triad of Haglund syndrome. It is initially managed with orthotics and physiotherapy. Operative management aims to correct osseous or soft-tissue derangements. The plantar fascia is a strong fibrous tissue that invests the sole of the foot and contributes to midfoot stability. Inflammation or plantar fasciitis is the most common cause of heel pain and can be related to overuse or mechanical causes. Acute rupture is less common but can occur in preexisting plantar fasciitis. Conservative treatment includes footwear modification, calf stretches, and percutaneous procedures. The main operative treatment is plantar fasciotomy. Plantar fibromatosis is a benign fibroblastic proliferation within the fascia that can be locally aggressive and is prone to recurrence. ©RSNA, 2024 Test Your Knowledge questions for this article are available in the supplemental material.
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Affiliation(s)
- Dyan V Flores
- From the Department of Radiology, Radiation Oncology, and Medical Physics, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada (D.V.F., A.D.); Department of Medical Imaging, The Ottawa Hospital, 501 Smyth Road, Ottawa, ON, Canada K1H 8L6 (D.V.F.); Ottawa Hospital Research Institute, Ottawa, Ontario, Canada (D.V.F.); Division of Musculoskeletal Radiology, Laboratorio Delboni Auriemo, DASA, São Paulo, Brazil (P.K.G.); and Division of Musculoskeletal Imaging and Intervention, Department of Radiology, University of California San Diego Medical Center, San Diego, Calif (B.K.H.)
| | - Paola Kuenzer Goes
- From the Department of Radiology, Radiation Oncology, and Medical Physics, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada (D.V.F., A.D.); Department of Medical Imaging, The Ottawa Hospital, 501 Smyth Road, Ottawa, ON, Canada K1H 8L6 (D.V.F.); Ottawa Hospital Research Institute, Ottawa, Ontario, Canada (D.V.F.); Division of Musculoskeletal Radiology, Laboratorio Delboni Auriemo, DASA, São Paulo, Brazil (P.K.G.); and Division of Musculoskeletal Imaging and Intervention, Department of Radiology, University of California San Diego Medical Center, San Diego, Calif (B.K.H.)
| | - Alameen Damer
- From the Department of Radiology, Radiation Oncology, and Medical Physics, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada (D.V.F., A.D.); Department of Medical Imaging, The Ottawa Hospital, 501 Smyth Road, Ottawa, ON, Canada K1H 8L6 (D.V.F.); Ottawa Hospital Research Institute, Ottawa, Ontario, Canada (D.V.F.); Division of Musculoskeletal Radiology, Laboratorio Delboni Auriemo, DASA, São Paulo, Brazil (P.K.G.); and Division of Musculoskeletal Imaging and Intervention, Department of Radiology, University of California San Diego Medical Center, San Diego, Calif (B.K.H.)
| | - Brady K Huang
- From the Department of Radiology, Radiation Oncology, and Medical Physics, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada (D.V.F., A.D.); Department of Medical Imaging, The Ottawa Hospital, 501 Smyth Road, Ottawa, ON, Canada K1H 8L6 (D.V.F.); Ottawa Hospital Research Institute, Ottawa, Ontario, Canada (D.V.F.); Division of Musculoskeletal Radiology, Laboratorio Delboni Auriemo, DASA, São Paulo, Brazil (P.K.G.); and Division of Musculoskeletal Imaging and Intervention, Department of Radiology, University of California San Diego Medical Center, San Diego, Calif (B.K.H.)
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Vidal L, Lopez-Garzon M, Venegas V, Vila I, Domínguez D, Rodas G, Marotta M. A Novel Tendon Injury Model, Induced by Collagenase Administration Combined with a Thermo-Responsive Hydrogel in Rats, Reproduces the Pathogenesis of Human Degenerative Tendinopathy. Int J Mol Sci 2024; 25:1868. [PMID: 38339145 PMCID: PMC10855568 DOI: 10.3390/ijms25031868] [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: 12/22/2023] [Revised: 01/25/2024] [Accepted: 01/29/2024] [Indexed: 02/12/2024] Open
Abstract
Patellar tendinopathy is a common clinical problem, but its underlying pathophysiology remains poorly understood, primarily due to the absence of a representative experimental model. The most widely used method to generate such a model is collagenase injection, although this method possesses limitations. We developed an optimized rat model of patellar tendinopathy via the ultrasound-guided injection of collagenase mixed with a thermo-responsive Pluronic hydrogel into the patellar tendon of sixty male Wistar rats. All analyses were carried out at 3, 7, 14, 30, and 60 days post-injury. We confirmed that our rat model reproduced the pathophysiology observed in human patients through analyses of ultrasonography, histology, immunofluorescence, and biomechanical parameters. Tendons that were injured by the injection of the collagenase-Pluronic mixture exhibited a significant increase in the cross-sectional area (p < 0.01), a high degree of tissue disorganization and hypercellularity, significantly strong neovascularization (p < 0.01), important changes in the levels of types I and III collagen expression, and the organization and presence of intra-tendinous calcifications. Decreases in the maximum rupture force and stiffness were also observed. These results demonstrate that our model replicates the key features observed in human patellar tendinopathy. Collagenase is evenly distributed, as the Pluronic hydrogel prevents its leakage and thus, damage to surrounding tissues. Therefore, this model is valuable for testing new treatments for patellar tendinopathy.
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Affiliation(s)
- Laura Vidal
- Leitat Technological Center, Carrer de la Innovació 2, 08225 Terrassa, Spain
- Bioengineering, Cell Therapy and Surgery in Congenital Malformations Laboratory, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain
| | - Maria Lopez-Garzon
- Leitat Technological Center, Carrer de la Innovació 2, 08225 Terrassa, Spain
- Bioengineering, Cell Therapy and Surgery in Congenital Malformations Laboratory, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain
| | - Vanesa Venegas
- Leitat Technological Center, Carrer de la Innovació 2, 08225 Terrassa, Spain
- Bioengineering, Cell Therapy and Surgery in Congenital Malformations Laboratory, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain
| | - Ingrid Vila
- Leitat Technological Center, Carrer de la Innovació 2, 08225 Terrassa, Spain
- Bioengineering, Cell Therapy and Surgery in Congenital Malformations Laboratory, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain
| | - David Domínguez
- Medical Department of Futbol Club Barcelona (FIFA Medical Center of Excellence) and Barça Innovation, 08970 Sant Joan Despí, Spain
| | - Gil Rodas
- Leitat Technological Center, Carrer de la Innovació 2, 08225 Terrassa, Spain
- Medical Department of Futbol Club Barcelona (FIFA Medical Center of Excellence) and Barça Innovation, 08970 Sant Joan Despí, Spain
- Sports Medicine Unit, Hospital Clínic and Sant Joan de Déu, 08950 Barcelona, Spain
- Faculty of Medicine and Health Sciences, University of Barcelona, 08007 Barcelona, Spain
| | - Mario Marotta
- Leitat Technological Center, Carrer de la Innovació 2, 08225 Terrassa, Spain
- Bioengineering, Cell Therapy and Surgery in Congenital Malformations Laboratory, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain
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Tarantino D, Mottola R, Resta G, Gnasso R, Palermi S, Corrado B, Sirico F, Ruosi C, Aicale R. Achilles Tendinopathy Pathogenesis and Management: A Narrative Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:6681. [PMID: 37681821 PMCID: PMC10487940 DOI: 10.3390/ijerph20176681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 08/09/2023] [Accepted: 08/25/2023] [Indexed: 09/09/2023]
Abstract
The Achilles tendon is the thickest and strongest tendon of the human body, and it is frequently injured during sports activity. The incidence of Achilles tendon pathologies has increased over recent decades, especially in the last few years, because of increased sports participation among the general population and due to the diffusion of competitive sports at a high level. Tendinopathies are common in athletes and in middle-aged overweight patients. The term "tendinopathy" refers to a condition characterised clinically by pain and swelling, with functional limitations of tendon and nearby structures, and consequently to chronic failure of healing response process. Tendinopathies can produce marked morbidity, and at present, scientifically validated management modalities are limited. Despite the constantly increasing interest and number of studies about Achilles tendinopathy (AT), there is still not a consensual point of view on which is the best treatment, and its management is still controversial. AT can be treated conservatively primarily, with acceptable results and clinical outcomes. When this approach fails, surgery should be considered. Several surgical procedures have been described for both conditions with a relatively high rate of success with few complications and the decision for treatment in patients with AT should be tailored on patient's needs and level of activity. The aim of this article is to give insights about the pathogenesis and most used and recent treatment options for AT.
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Affiliation(s)
- Domiziano Tarantino
- Department of Public Health, University of Naples Federico II, 80131 Naples, Italy; (R.M.); (R.G.); (S.P.); (B.C.); (F.S.); (C.R.)
| | - Rosita Mottola
- Department of Public Health, University of Naples Federico II, 80131 Naples, Italy; (R.M.); (R.G.); (S.P.); (B.C.); (F.S.); (C.R.)
| | - Giuseppina Resta
- Department of Orthopaedic and Trauma Surgery, Casa di Cura di Bernardini, 74121 Taranto, Italy;
| | - Rossana Gnasso
- Department of Public Health, University of Naples Federico II, 80131 Naples, Italy; (R.M.); (R.G.); (S.P.); (B.C.); (F.S.); (C.R.)
| | - Stefano Palermi
- Department of Public Health, University of Naples Federico II, 80131 Naples, Italy; (R.M.); (R.G.); (S.P.); (B.C.); (F.S.); (C.R.)
| | - Bruno Corrado
- Department of Public Health, University of Naples Federico II, 80131 Naples, Italy; (R.M.); (R.G.); (S.P.); (B.C.); (F.S.); (C.R.)
| | - Felice Sirico
- Department of Public Health, University of Naples Federico II, 80131 Naples, Italy; (R.M.); (R.G.); (S.P.); (B.C.); (F.S.); (C.R.)
| | - Carlo Ruosi
- Department of Public Health, University of Naples Federico II, 80131 Naples, Italy; (R.M.); (R.G.); (S.P.); (B.C.); (F.S.); (C.R.)
| | - Rocco Aicale
- Department of Musculoskeletal Disorders, Faculty of Medicine and Surgery, University of Salerno, 84084 Baronissi, Italy;
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Black AT, So E, Combs A, Logan D. The Zadek Osteotomy for Surgical Management of Insertional Achilles Tendinopathy: A Systematic Review. Foot Ankle Spec 2023; 16:437-445. [PMID: 37083218 DOI: 10.1177/19386400231162411] [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] [Indexed: 04/22/2023]
Abstract
BACKGROUND The calcaneal dorsal closing wedge osteotomy, otherwise known as the Zadek or Keck and Kelly osteotomy, is used to treat insertional Achilles tendinopathy. The purpose of this study is to investigate the clinical outcomes affiliated with the Zadek technique for insertional Achilles tendinopathy (IAT) as reported in the literature. METHODS An English literature search on PubMed was performed yielding 8 level IV retrospective case series. RESULTS The weighted mean of preoperative and postoperative Victorian Institute of Sports Assessment-Achilles Questionnaire (VISA-A) scores was 52.7 and 87.8, respectively. The weighted mean of preoperative and postoperative American Orthopaedic Foot and Ankle Society (AOFAS) scores was 56.3 and 92.9, respectively. Majority of the reported complications were minor events, including symptomatic hardware (2.8%; n = 7/247), sural nerve paresthesia (2%; n = 5/247), and superficial infection (3.2%; n = 8/247). There was 1 reported event of hardware failure resulting in re-operation. Deep vein thrombosis occurred at a rate of 0.8% (n = 2/247), complex regional pain syndrome at 0.4% (n = 1/247) and nonunion at a rate of 1.2% (n = 3/247). CONCLUSION The Zadek osteotomy is a viable option for insertional Achilles tendinopathy based on significantly improved outcome measures and minor complication rates. LEVEL OF EVIDENCE 4.
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Affiliation(s)
| | - Eric So
- Bryan Health, Lincoln, Nebraska
| | - Austin Combs
- Foot and Ankle Specialists of Central Ohio, Newark, Ohio
| | - Daniel Logan
- Foot and Ankle Specialists of Central Ohio, Newark, Ohio
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Peters MJ, Walsh K, Day C, Younger A, Salat P, Penner M, Wing K, Glazebrook M, Veljkovic A. Level of Evidence for the Treatment of Chronic Noninsertional Achilles Tendinopathy. Foot Ankle Spec 2023; 16:406-426. [PMID: 33749355 PMCID: PMC10422862 DOI: 10.1177/19386400211001261] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
BACKGROUND Noninsertional Achilles tendinopathy affects both athletes and sedentary individuals, and its incidence is rising. Conservative management is the mainstay of treatment, but a variety of operative techniques have been described to treat recalcitrant cases. We seek to outline the current available evidence for surgical management of noninsertional Achilles tendinopathy. STUDY DESIGN AND METHODS A systematic review was performed using the MEDLINE and EMBASE databases, and all articles were reviewed by at least 2 authors. Each article was assigned a level of evidence in accordance with the standards of Journal of Bone and Joint Surgery. The available data were reviewed and a level of evidence was assigned to each intervention of interest, based on the revised classifications of Wright. RESULTS AND CONCLUSION A total of 46 articles met inclusion and exclusion criteria. There is fair evidence (grade B) in support of open debridement with 1 level II study, 1 level III study, and 8 level IV studies. There is fair evidence (grade B) in support of arthroscopic or minimally invasive surgical techniques. There is poor evidence (grade C) in support of flexor hallucis longus transfer, longitudinal tenotomy, peritenolysis, gastrocnemius recession, and plantaris excision. There is insufficient evidence (grade I) to provide a recommendation about other surgical treatment methods for noninsertional Achilles tendinopathy.Levels of Evidence: Level III: Systematic review.
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Affiliation(s)
| | - Kellen Walsh
- University of British Columbia, Vancouver, BC, Canada
| | - Chris Day
- University of British Columbia, Vancouver, BC, Canada
| | | | | | - Murray Penner
- University of British Columbia, Vancouver, BC, Canada
| | - Kevin Wing
- University of British Columbia, Vancouver, BC, Canada
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10
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Pringels L, Cook JL, Witvrouw E, Burssens A, Vanden Bossche L, Wezenbeek E. Exploring the role of intratendinous pressure in the pathogenesis of tendon pathology: a narrative review and conceptual framework. Br J Sports Med 2023; 57:1042-1048. [PMID: 36323498 PMCID: PMC10423488 DOI: 10.1136/bjsports-2022-106066] [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] [Accepted: 10/13/2022] [Indexed: 02/07/2023]
Abstract
Despite the high prevalence of tendon pathology in athletes, the underlying pathogenesis is still poorly understood. Various aetiological theories have been presented and rejected in the past, but the tendon cell response model still holds true. This model describes how the tendon cell is the key regulator of the extracellular matrix and how pathology is induced by a failed adaptation to a disturbance of tissue homeostasis. Such failure has been attributed to various kinds of stressors (eg, mechanical, thermal and ischaemic), but crucial elements seem to be missing to fully understand the pathogenesis. Importantly, a disturbance of tissue pressure homeostasis has not yet been considered a possible factor, despite it being associated with numerous pathologies. Therefore, we conducted an extensive narrative literature review on the possible role of intratendinous pressure in the pathogenesis of tendon pathology. This review explores the current understanding of pressure dynamics and the role of tissue pressure in the pathogenesis of other disorders with structural similarities to tendons. By bridging these insights with known structural changes that occur in tendon pathology, a conceptual model was constituted. This model provides an overview of the possible mechanism of how an increase in intratendinous pressure might be involved in the development and progression of tendon pathology and contribute to tendon pain. In addition, some therapies that could reduce intratendinous pressure and accelerate tendon healing are proposed. Further experimental research is encouraged to investigate our hypotheses and to initiate debate on the relevance of intratendinous pressure in tendon pathology.
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Affiliation(s)
- Lauren Pringels
- Department of Physical and Rehabilitation Medicine, Ghent University Hospital, Ghent, Belgium
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium
| | - Jill L Cook
- La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Melbourne, Victoria, Australia
| | - Erik Witvrouw
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium
| | - Arne Burssens
- Department of Orthopaedic Surgery, Ghent University Hospital, Ghent, Belgium
| | - Luc Vanden Bossche
- Department of Physical and Rehabilitation Medicine, Ghent University Hospital, Ghent, Belgium
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium
| | - Evi Wezenbeek
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium
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Kobayashi JK, Kobayashi EF, Tomasevich KM, Lorens KL, Aoki SK. Characterization of Achilles Tendon Ruptures in Collegiate Women's Gymnastics. Orthopedics 2023; 46:205-210. [PMID: 36853933 DOI: 10.3928/01477447-20230224-01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
Collegiate female gymnasts are at high risk of Achilles tendon injuries. Achilles tendon ruptures can negatively impact an athlete's ability to return to competitive sport. Understanding the natural history of Achilles tendon tears in collegiate female gymnasts is important in the development of preventive treatment. To expand our knowledge of the natural history of Achilles tendon ruptures among collegiate female gymnasts, a REDCap retrospective survey was emailed to athletic trainers on all 80 National Collegiate Athletic Association (NCAA) women's gymnastics teams. The survey gathered information regarding number of Achilles tendon injuries, pain prior to injuries, events and skills on which injuries occurred, and functional outcome after injuries among athletes competing in the 2013 to 2018 NCAA seasons. Forty-two of 80 (52.5%) programs responded to the survey. Seventy-one Achilles tendon ruptures were reported between 2013 and 2018. Among these, 46% had antecedent pain. Gymnasts sustained 95% of Achilles tendon ruptures while performing on floor exercise, with 98% of ruptures occurring during the take-off portion of a tumbling skill. Of the 61% of gymnasts who were able to return to competition, 59% were able to achieve the same level of function after injury. Achilles tendon ruptures in collegiate female gymnasts primarily occur during the take-off motion while tumbling on the floor exercise. Future studies should evaluate degenerative Achilles tendon changes in collegiate female gymnasts. A collaborative effort among gymnasts, coaches, judges, and medical experts is required to identify at-risk athletes and develop and implement injury prevention programs. [Orthopedics. 2023;46(4):205-210.].
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Marques Azzini GO, Marques Azzini VO, Santos GS, Visoni S, Fusco MA, Beker NS, Mahmood A, Bizinotto Lana JV, Jeyaraman M, Nallakumarasamy A, Jeyaraman N, da Fonseca LF, Luz Arab MG, Vicente R, Rajendran RL, Gangadaran P, Ahn BC, Duarte Lana JFS. Cannabidiol for musculoskeletal regenerative medicine. Exp Biol Med (Maywood) 2023; 248:445-455. [PMID: 37158062 PMCID: PMC10281618 DOI: 10.1177/15353702231162086] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023] Open
Abstract
Chronic musculoskeletal (MSK) pain is one of the most prevalent causes, which lead patients to a physician's office. The most common disorders affecting MSK structures are osteoarthritis, rheumatoid arthritis, back pain, and myofascial pain syndrome, which are all responsible for major pain and physical disability. Although there are many known management strategies currently in practice, phytotherapeutic compounds have recently begun to rise in the medical community, especially cannabidiol (CBD). This natural, non-intoxicating molecule derived from the cannabis plant has shown interesting results in many preclinical studies and some clinical settings. CBD plays vital roles in human health that go well beyond the classic immunomodulatory, anti-inflammatory, and antinociceptive properties. Recent studies demonstrated that CBD also improves cell proliferation and migration, especially in mesenchymal stem cells (MSCs). The foremost objective of this review article is to discuss the therapeutic potential of CBD in the context of MSK regenerative medicine. Numerous studies listed in the literature indicate that CBD possesses a significant capacity to modulate mammalian tissue to attenuate and reverse the notorious hallmarks of chronic musculoskeletal disorders (MSDs). The most of the research included in this review report common findings like immunomodulation and stimulation of cell activity associated with tissue regeneration, especially in human MSCs. CBD is considered safe and well tolerated as no serious adverse effects were reported. CBD promotes many positive effects which can manage detrimental alterations brought on by chronic MSDs. Since the application of CBD for MSK health is still undergoing expansion, additional randomized clinical trials are warranted to further clarify its efficacy and to understand its cellular mechanisms.
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Affiliation(s)
| | | | - Gabriel Silva Santos
- Brazilian Institute of Regenerative
Medicine (BIRM), Indaiatuba 13334-170, Brazil
| | - Silvia Visoni
- Brazilian Institute of Regenerative
Medicine (BIRM), Indaiatuba 13334-170, Brazil
| | | | | | - Ansar Mahmood
- University Hospitals Birmingham,
Birmingham B15 2PR, UK
| | - João Vitor Bizinotto Lana
- Brazilian Institute of Regenerative
Medicine (BIRM), Indaiatuba 13334-170, Brazil
- Medical Specialties School Centre,
Centro Universitário Max Planck, Indaiatuba, 13343-060, Brazil
| | - Madhan Jeyaraman
- Department of Orthopaedics, A.C.S.
Medical College and Hospital, Dr.M.G.R. Educational and Research Institute, Chennai
600056, India
- Department of Biotechnology, School of
Engineering and Technology, Sharda University, Greater Noida 201310, India
- South Texas Orthopaedic Research
Institute (STORI Inc.), Laredo, TX 78045, USA
- Indian Stem Cell Study Group (ISCSG)
Association, Lucknow 226010, India
| | - Arulkumar Nallakumarasamy
- Indian Stem Cell Study Group (ISCSG)
Association, Lucknow 226010, India
- Department of Orthopaedics, All India
Institute of Medical Sciences, Bhubaneswar 751019, India
| | - Naveen Jeyaraman
- Indian Stem Cell Study Group (ISCSG)
Association, Lucknow 226010, India
- Department of Orthopaedics, Atlas
Hospitals, Tiruchirappalli 620002, India
| | - Lucas Furtado da Fonseca
- Brazilian Institute of Regenerative
Medicine (BIRM), Indaiatuba 13334-170, Brazil
- Universidade Federal de São Paulo
(UNIFESP), São Paulo, 04021-001, Brazil
| | - Miguel Gustavo Luz Arab
- Brazilian Institute of Regenerative
Medicine (BIRM), Indaiatuba 13334-170, Brazil
- Saúde Máxima (SAMAX), São Paulo,
01239-040, Brazil
| | - Rodrigo Vicente
- Brazilian Institute of Regenerative
Medicine (BIRM), Indaiatuba 13334-170, Brazil
- Ultra Sports Science, São Paulo,
Brazil
| | - Ramya Lakshmi Rajendran
- Department of Nuclear Medicine,
School of Medicine, Kyungpook National University Hospital, Kyungpook National
University, Daegu 41944, Republic of Korea
| | - Prakash Gangadaran
- Department of Nuclear Medicine,
School of Medicine, Kyungpook National University Hospital, Kyungpook National
University, Daegu 41944, Republic of Korea
- BK21 FOUR KNU Convergence Educational
Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical
Science, School of Medicine, Kyungpook National University, Daegu 41944, Republic of
Korea
| | - Byeong-Cheol Ahn
- Department of Nuclear Medicine,
School of Medicine, Kyungpook National University Hospital, Kyungpook National
University, Daegu 41944, Republic of Korea
- BK21 FOUR KNU Convergence Educational
Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical
Science, School of Medicine, Kyungpook National University, Daegu 41944, Republic of
Korea
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Fenta L, Mekonnen H, Kabtimer N. The Exploitation of Microbial Antagonists against Postharvest Plant Pathogens. Microorganisms 2023; 11:microorganisms11041044. [PMID: 37110467 PMCID: PMC10143894 DOI: 10.3390/microorganisms11041044] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/10/2023] [Accepted: 04/15/2023] [Indexed: 04/29/2023] Open
Abstract
Postharvest disease management is vital to increase the quality and productivity of crops. As part of crop disease protection, people used different agrochemicals and agricultural practices to manage postharvest diseases. However, the widespread use of agrochemicals in pest and disease control has detrimental effects on consumer health, the environment, and fruit quality. To date, different approaches are being used to manage postharvest diseases. The use of microorganisms to control postharvest disease is becoming an eco-friendly and environmentally sounds approach. There are many known and reported biocontrol agents, including bacteria, fungi, and actinomycetes. Nevertheless, despite the abundance of publications on biocontrol agents, the use of biocontrol in sustainable agriculture requires substantial research, effective adoption, and comprehension of the interactions between plants, pathogens, and the environment. To accomplish this, this review made an effort to locate and summarize earlier publications on the function of microbial biocontrol agents against postharvest crop diseases. Additionally, this review aims to investigate biocontrol mechanisms, their modes of operation, potential future applications for bioagents, as well as difficulties encountered during the commercialization process.
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Affiliation(s)
- Lamenew Fenta
- Department of Biology, Debre Markos University, Debre Markos P.O. Box 269, Ethiopia
| | - Habtamu Mekonnen
- Department of Biology, Bahir Dar University, Bahir Dar P.O. Box 79, Ethiopia
| | - Negash Kabtimer
- Department of Biology, Bahir Dar University, Bahir Dar P.O. Box 79, Ethiopia
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Huang Y, Tang L, Liu A, Zhou X, Huang S. Reconstruction of the severe Achilles tendon and soft-tissue loss with the bi-pedicled conjoined flap and vascularized fasciae latae: A consecutive case series of 15 patients. Injury 2023; 54:1210-1215. [PMID: 36849302 DOI: 10.1016/j.injury.2023.02.043] [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: 06/20/2022] [Revised: 02/16/2023] [Accepted: 02/18/2023] [Indexed: 03/01/2023]
Abstract
BACKGROUND Historically, the segmental loss of the Achilles tendon with overlying soft-tissue defects had been frequently reconstructed with the composite anterolateral thigh (ALTP) flap, including the iliotibial tract or fasciae latae. This study aimed to present our modified combination using the bi-pedicled conjoined flap with vascularized fasciae latae, for the approximately total reconstruction of the Achilles tendon and extensive soft tissue. METHODS From May 2015 to March 2018, 15 patients (9 male and 6 female) with a mean age of 36 years (ranged, 18-52 years) underwent microvascular Achilles tendon reconstruction. Harvested on the abdomen and groin, the conjoined flap was chimeric with the vascularized fasciae latae. Primary donor-site closure was accomplished in all patients. A standard assessment of the functional and esthetical outcomes was completed. RESULTS Mean follow-up time was 42 months (ranged, 32-48 months). The average dimension of the conjoined flap was 25 × 14 cm (ranged, 18 × 10-35 × 18 cm), and the average size of the folded fasciae latae was 15 × 6 cm (ranged, 12 × 5-25 × 8 cm). At the last follow-up, the Thompson test was negative in all patients. The mean American Orthopedic Foot and Ankle Society (AOFAS) score was 91.0. The mean Achilles tendon total rupture score (ATRS) was 18.5. The mean Vancouver Scar Scale (VSS) score was 3.0. CONCLUSIONS The composite bi-pedicled flap including vascularized fasciae latae provides an alternative approach with great functional and esthetic outcomes, in selected patients who suffered severe Achilles tendon and skin defects. The one-stage procedure facilitates better rehabilitation postoperatively.
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Affiliation(s)
- Yu Huang
- Department of Orthopedic Hand Surgery, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Chunhui Avenue, Longma Tan District, Luzhou 646000, China
| | - Lin Tang
- Department of Orthopedic, Southwest Hospital of Army Medical University, Jianxindong Road, Jiang Bei District, Chongqing 400037, China
| | - Anming Liu
- Department of Orthopedic Hand Surgery, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Chunhui Avenue, Longma Tan District, Luzhou 646000, China.
| | - Xin Zhou
- Department of Plastic and Cosmetic Surgery, Xinqiao Hospital of Army Medical University, Xinqiao Road, Sha Ping Ba District, Chongqing 400037, China
| | - Shuqing Huang
- Department of Plastic and Cosmetic Surgery, Xinqiao Hospital of Army Medical University, Xinqiao Road, Sha Ping Ba District, Chongqing 400037, China
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Steinberg N, Funk S, Zeev A, Waddington G, Svorai-Litvak S, Pantanowitz M. Achilles Tendon and Patellar Tendon Structure in Combat Soldiers Following Prevention Exercises. Mil Med 2023; 188:678-688. [PMID: 35134964 DOI: 10.1093/milmed/usac009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 12/21/2021] [Accepted: 01/12/2022] [Indexed: 11/14/2022] Open
Abstract
INTRODUCTION Military training that increases physical stress on musculoskeletal morphology also increases the risk of orthopedic injuries. Somatosensory prevention programs that reduce stress and improve functionality could be beneficial for better organization of tendon structure. The aim of this study was to investigate the impact of a somatosensory prevention exercise on the tendon structure (percentage of echo-type fibers; A-P and M-L diameters and cross-sectional area) of the Achilles tendon and patellar tendon among combat soldiers. MATERIALS AND METHODS These tendons of male Infantry soldiers aged 18-21 were screened before and after a 14-week training course. The intervention group, who performed preventative exercises, included 108 soldiers (BMI = 23.85 ± 2.76), while the control group, who participated in the same military course without these exercises, included 98 soldiers (BMI = 24.26 ± 4.03). Ultrasound scanning for tendon structure included percent of echo-type I-IV fibers, A-P diameter, M-L diameter, and cross-sectional area parameters. RESULTS Time by group interaction was found for echo-type I and II in both tendons. No significant differences were found between the two groups in the pretesting percentage of echo-type IV fibers of the Achilles tendon (P = .522), in echo-type III fibers of the Achilles tendon (P = .833), and echo-type IV fibers of the patellar tendon (P = .162). Greater pre-post differences in echo-type III and IV fibers were found in the control group compared with the intervention group for both the Achilles tendon (P = .021, P = .002) and the patellar tendon (P < .001, P < .001). CONCLUSION Increased damaged fibers (echo-type III and IV) of both tendons were found among the control group, yet not among soldiers who performed prevention exercises.
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Affiliation(s)
- Nili Steinberg
- Wingate College of Physical Education and Sports Sciences, Wingate Institute, Netanya 42902, Israel
| | - Shani Funk
- Combat Fitness Department, Doctrine and Research Branch, IDF, Netanya 01443, Israel
| | - Aviva Zeev
- Wingate College of Physical Education and Sports Sciences, Wingate Institute, Netanya 42902, Israel
| | - Gordon Waddington
- Faculty of Health, University of Canberra, Canberra, ACT 2617, Australia
| | | | - Michal Pantanowitz
- Wingate College of Physical Education and Sports Sciences, Wingate Institute, Netanya 42902, Israel
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Thermann H, Fischer R, Gougoulias N, Cipollaro L, Maffulli N. Endoscopic debridement for non-insertional Achilles tendinopathy with and without platelet-rich plasma. JOURNAL OF SPORT AND HEALTH SCIENCE 2023; 12:275-280. [PMID: 32619656 PMCID: PMC10105028 DOI: 10.1016/j.jshs.2020.06.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 06/01/2020] [Accepted: 06/08/2020] [Indexed: 06/01/2023]
Abstract
BACKGROUND When non-operative management fails to improve symptoms in patients with non-insertional Achilles tendinopathy, surgery may be required. Various open and endoscopic techniques have been proposed, and platelet-rich plasma (PRP) injections have been proposed as an adjunct to aid tendon healing. METHODS Thirty-six patients with mid-portion Achilles tendinopathy were randomized to undergo endoscopic debridement alone (n = 19) or in combination with intraoperative PRP application (n = 17). Clinical outcome measures included the Visual Analogue Scale for pain, function, and satisfaction and the Victorian Institute of Sports Assessment-Achilles (VISA-A) questionnaire. Patients were followed-up at 6 weeks, 3 months, 6 months, and 12 months after surgery. An MRI examination at 3 and 12 months was used to assess signal alterations within the tendon. RESULTS Both groups showed significant clinical improvement (p < 0.05) after surgery, with no difference between the 2 groups. Tendon diameter increased at 3 months and decreased at 12 months. The tendinopathy area increased at 3 months and decreased at 12 months below baseline level in both groups. There was no significant difference between the groups regarding the MRI parameters. Nodular thickening and MRI-detected signal alteration persisted after surgery, with no association between imaging and clinical outcome. Five minor complications were reported: 2 in the PRP group and 3 in the control group. CONCLUSION Endoscopic debridement of the Achilles tendon improved clinical outcomes in patients with mid-portion tendinopathy. The addition of PRP did not improve outcomes compared to debridement alone. MRI parameters showed no association with clinical outcomes.
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Affiliation(s)
- Hajo Thermann
- HKF-International Center for Hip, Foot and Knee Surgery, Bismarckstraße 9-15, 69115 Heidelberg, Germany
| | - Ralph Fischer
- HKF-International Center for Hip, Foot and Knee Surgery, Bismarckstraße 9-15, 69115 Heidelberg, Germany
| | | | - Lucio Cipollaro
- Department of Musculoskeletal Disorders, Faculty of Medicine and Surgery, University of Salerno, Salerno 89100, Italy; Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi (SA), Italy
| | - Nicola Maffulli
- Department of Musculoskeletal Disorders, Faculty of Medicine and Surgery, University of Salerno, Salerno 89100, Italy; Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi (SA), Italy; Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Mile End Hospital, 275 Bancroft Road, London E1 4DG, Queen Mary University of London, London, UK; School of Pharmacy and Bioengineering, Keele University Faculty of Medicine, Thornburrow Drive, Stoke on Trent, ST4 7QB, UK.
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Radovanović G, Bohm S, Arampatzis A, Legerlotz K. In Achilles Tendinopathy the Symptomatic Tendon Differs from the Asymptomatic Tendon While Exercise Therapy Has Little Effect on Asymmetries-An Ancillary Analysis of Data from a Controlled Clinical Trial. J Clin Med 2023; 12:1102. [PMID: 36769750 PMCID: PMC9918090 DOI: 10.3390/jcm12031102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 01/27/2023] [Accepted: 01/30/2023] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND As inter-limb asymmetries can be associated with higher injury risk, we aimed to investigate their role in Achilles tendinopathy patients. METHODS In Achilles tendinopathy patients (n = 41), we assessed inter-limb asymmetries of mechanical, material, and morphological musculoskeletal properties and function and how those were affected by 12 weeks of exercise intervention (high-load protocol, n = 13; Alfredson protocol, n = 11). Moreover, we assessed whether asymmetry reductions correlated with improved Patient-Reported Outcomes (VISA-A score). RESULTS At baseline, tendinopathic tendons demonstrated lower tendon force (p = 0.017), lower tendon stress (p < 0.0001), larger tendon cross-sectional area (CSA) (p < 0.001), and increased intratendinous (p = 0.042) and tendon overall (p = 0.021) vascularization. For the high-load group, PRE-to-POST asymmetry comparisons revealed an asymmetry increase for the counter-movement jump (CMJ) (p = 0.034) and PRE-to-POST VISA-A score improvements correlated with CSA asymmetry reductions (p = 0.024). Within the Alfredson group, PRE-to-POST VISA-A score improvements correlated with CMJ asymmetry reductions (p = 0.044) and tendon stiffness asymmetry increases (p = 0.037). POST-to-POST in-between group comparisons revealed lower asymmetry in the high-load group for tendon elongation (p = 0.021) and tendon strain (p = 0.026). CONCLUSIONS The tendinopathic limb differs from the asymptomatic limb while therapeutic exercise interventions have little effect on asymmetries. Asymmetry reductions are not necessarily associated with tendon health improvements.
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Affiliation(s)
- Goran Radovanović
- Movement Biomechanics, Institute of Sports Sciences, Humboldt-Universität zu Berlin, 10099 Berlin, Germany
- Department Performance, Neuroscience, Therapy and Health, Faculty of Health Sciences, Medical School Hamburg—University of Applied Sciences and Medical University, 20457 Hamburg, Germany
- Institute of Interdisciplinary Exercise Science and Sports Medicine, Faculty of Health Sciences, Medical School Hamburg—University of Applied Sciences and Medical University, 20457 Hamburg, Germany
| | - Sebastian Bohm
- Department of Training and Movement Sciences, Humboldt-Universität zu Berlin, 10099 Berlin, Germany
| | - Adamantios Arampatzis
- Department of Training and Movement Sciences, Humboldt-Universität zu Berlin, 10099 Berlin, Germany
| | - Kirsten Legerlotz
- Movement Biomechanics, Institute of Sports Sciences, Humboldt-Universität zu Berlin, 10099 Berlin, Germany
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Radovanović G, Bohm S, Peper KK, Arampatzis A, Legerlotz K. Evidence-Based High-Loading Tendon Exercise for 12 Weeks Leads to Increased Tendon Stiffness and Cross-Sectional Area in Achilles Tendinopathy: A Controlled Clinical Trial. SPORTS MEDICINE - OPEN 2022; 8:149. [PMID: 36538166 PMCID: PMC9768072 DOI: 10.1186/s40798-022-00545-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 12/06/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Assuming that the mechanisms inducing adaptation in healthy tendons yield similar responses in tendinopathic tendons, we hypothesized that a high-loading exercise protocol that increases tendon stiffness and cross-sectional area in male healthy Achilles tendons may also induce comparable beneficial adaptations in male tendinopathic Achilles tendons in addition to improving pain and function. OBJECTIVES We investigated the effectiveness of high-loading exercise in Achilles tendinopathy in terms of inducing mechanical (tendon stiffness, maximum strain), material (Young's modulus), morphological (tendon cross-sectional area (CSA)), maximum voluntary isometric plantar flexor strength (MVC) as well as clinical adaptations (Victorian Institute of Sports Assessment-Achilles (VISA-A) score and pain (numerical rating scale (NRS))) as the primary outcomes. As secondary outcomes, drop (DJ) and counter-movement jump (CMJ) height and intratendinous vascularity were assessed. METHODS We conducted a controlled clinical trial with a 3-month intervention phase. Eligibility criteria were assessed by researchers and medical doctors. Inclusion criteria were male sex, aged between 20 and 55 years, chronic Achilles tendinopathy confirmed by a medical doctor via ultrasound-assisted assessment, and a severity level of less than 80 points on the VISA-A score. Thirty-nine patients were assigned by sequential allocation to one of three parallel arms: a high-loading intervention (training at ~ 90% of the MVC) (n = 15), eccentric exercise (according to the Alfredson protocol) as the standard therapy (n = 15) and passive therapy (n = 14). Parameters were assessed pre- and-post-intervention. Data analysis was blinded. RESULTS Primary outcomes: Plantar flexor MVC, tendon stiffness, mean CSA and maximum tendon strain improved only in the high-loading intervention group by 7.2 ± 9.9% (p = 0.045), 20.1 ± 20.5% (p = 0.049), 8.98 ± 5.8% (p < 0.001) and -12.4 ± 10.3% (p = 0.001), respectively. Stiffness decreased in the passive therapy group (-7.7 ± 21.2%; p = 0.042). There was no change in Young's modulus in either group (p > 0.05). The VISA-A score increased in all groups on average by 19.8 ± 15.3 points (p < 0.001), while pain (NRS) dropped by -0.55 ± 0.9 points (p < 0.001). SECONDARY OUTCOMES CMJ height decreased for all groups (-0.63 ± 4.07 cm; p = 0.005). There was no change in DJ height and vascularity (p > 0.05) in either group. CONCLUSION Despite an overall clinical improvement, it was exclusively the high-loading intervention that induced significant mechanical and morphological adaptations of the plantar flexor muscle-tendon unit. This might contribute to protecting the tendon from strain-induced injury. Thus, we recommend the high-loading intervention as an effective (alternative) therapeutic protocol in Achilles tendinopathy rehabilitation management in males. CLINICAL TRIALS REGISTRATION NUMBER NCT02732782.
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Affiliation(s)
- Goran Radovanović
- grid.7468.d0000 0001 2248 7639Institute of Sports Sciences, Movement Biomechanics, Humboldt-Universität zu Berlin, Philippstr. 13, 10115 Berlin, Germany ,grid.11500.350000 0000 8919 8412Department Performance, Neuroscience, Therapy and Health, Medical School Hamburg, Faculty of Health Sciences, University of Applied Sciences and Medical University, 20457 Hamburg, Germany ,grid.11500.350000 0000 8919 8412Institute of Interdisciplinary Exercise Science and Sports Medicine, Medical School Hamburg, University of Applied Sciences and Medical University, 20457 Hamburg, Germany
| | - Sebastian Bohm
- grid.7468.d0000 0001 2248 7639Department of Training and Movement Sciences, Humboldt-Universität zu Berlin, 10099 Berlin, Germany
| | - Kim Kristin Peper
- grid.6936.a0000000123222966Munich Institute of Robotics and Machine Intelligence, Technische Universität München, 80992 Munich, Germany
| | - Adamantios Arampatzis
- grid.7468.d0000 0001 2248 7639Department of Training and Movement Sciences, Humboldt-Universität zu Berlin, 10099 Berlin, Germany
| | - Kirsten Legerlotz
- grid.7468.d0000 0001 2248 7639Institute of Sports Sciences, Movement Biomechanics, Humboldt-Universität zu Berlin, Philippstr. 13, 10115 Berlin, Germany
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Arora NK, Sharma S, Sharma S, Arora IK. Physical modalities with eccentric exercise are no better than eccentric exercise alone in the treatment of chronic achilles tendinopathy: A systematic review and meta-analysis. Foot (Edinb) 2022; 53:101927. [PMID: 36037777 DOI: 10.1016/j.foot.2022.101927] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 04/05/2022] [Accepted: 04/16/2022] [Indexed: 02/04/2023]
Abstract
BACKGROUND To investigate the available evidence and conduct a systematic review with meta-analysis to determine the effectiveness of physical modalities combined with eccentric exercise (PMEE) with eccentric exercise (EE) alone for improvements in pain and function in individuals with chronic Achilles tendinopathy (AT) at short-term (4 weeks) and long-term (12-16 weeks) follow-ups. MATERIALS AND METHODS A systematic literature review identified 8 papers (from 6404 possible inclusions) that allowed the comparison of PMEE with EE alone, in the treatment of chronic AT. We extracted the mean and standard deviations for Victorian Institute of Sports Assessment Achilles Tendinopathy (VISA-A), Numerical Pain Rating Scale (NPRS), and load-induced pain (NRS). Standardized mean difference (SMD) of the included variables was presented, and all the studies had low risk of bias. RESULTS Non-significant results were achieved for short-term (pooled SMD = 0.03; 95% CI= -0.46 to 0.53, p = 0.89, I2 = 60%) and long- term follow-ups (pooled SMD =0.43; 95% CI= -0.05 to 0.92, p = 0.08, I2 = 82%) of VISA-A. Short-term (pooled SMD = -0.16; 95% CI= -0.72 to 0.40, p = 0.57, I2 = 40%) and long-term (pooled SMD = -0.39;95% CI= -1.11 to 0.32, p = 0.28, I2 = 62%) follow-up analysis of NPRS and long-term(pooled SMD = -0.46; 95% CI= -1.08 to 0.15, p = 0.14, I2 = 74%) follow-up of load induced pain also demonstrated non-significant improvements when comparing two groups. CONCLUSION Meta- analysis of the results published in the 8 papers that met theinclusion criteria showed no significant differences between PMEE and EE, in terms of load-induced pain (NRS) and numerical pain rating scales (NPRS) at 4 and 12-16 weeks. Thus, the meta-analysis reflects the other cited published work that PMEE shows no greater advantage than EE in the treatment of Chronic Achilles Tendinopathy.
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Affiliation(s)
- Nitin Kumar Arora
- Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia, Acentral University, New Delhi, India; Hochschule fur Gesundheit Bochum, 44801, Germany
| | - Saurabh Sharma
- Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia, Acentral University, New Delhi, India.
| | - Shalini Sharma
- Department of Physiotherapy, Geri Care Home, Melbourne, Victoria, Australia
| | - Ishant Kumar Arora
- Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia, Acentral University, New Delhi, India
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20
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Steinberg N, Pantanowitz M, Zeev A, Svorai Band S, Funk S, Nemet D. Achilles and patellar tendon structure following a prevention program in male combat soldiers. PHYSICIAN SPORTSMED 2022; 50:531-540. [PMID: 34488525 DOI: 10.1080/00913847.2021.1976601] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVES The aims of the study were to compare the prevalence of soldiers with musculoskeletal symptoms between soldiers that participated in a prevention program (INT) and a control group (CONT); and, to assess whether 'high risk' for a symptom indicator [participants with patellar tendon (PT) echo-type III+IV >10% or Achilles tendon (AT) echo-type III >8.5%] applies when a prevention intervention is used. METHODS Soldiers from two consecutive infantry commanders courses (year 1-CONT, n = 165; year 2-INT, n = 196) were examined pre-course for AT and PT structure using ultrasound tissue characterization (UTC), and their musculoskeletal overuse symptoms were assessed and recorded by military physicians throughout the course. A prevention program was provided to the INT group (year 2) during the 14-week course. RESULTS No significant differences were found in the prevalence of soldiers with symptoms between the two groups [INT: 39 (19.9%), CONT: 40 (24.2%); p = .32]. Using the indicator at baseline, 20 soldiers (10.2%) were suggested to be at 'high risk.' Of those 20 soldiers, 17 actually had symptoms during the course (positive predictive value-85%). The prevalence of soldiers with a suggested 'high risk' according to our indicator who had no symptoms during the course was low (3/20, 15%). Twenty-two soldiers who had symptoms during the course had not been suggested to be at 'high risk' by our indicator. CONCLUSION Our intervention did not reduce the prevalence of soldiers with symptoms. Our 'high risk' pre-course, AT and PT structure indicator is valid and can be used as a screening tool to reduce the prevalence of symptoms in combat soldiers; with the caution that soldiers that were not identified by the indicator, might also have symptoms along the course.
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Affiliation(s)
- Nili Steinberg
- Life science, Wingate College of Physical Education and Sports Sciences, Wingate Institute, Netanya, Israel
| | - Michal Pantanowitz
- Life science, Wingate College of Physical Education and Sports Sciences, Wingate Institute, Netanya, Israel
| | - Aviva Zeev
- Life science, Wingate College of Physical Education and Sports Sciences, Wingate Institute, Netanya, Israel
| | | | - Shany Funk
- Combat Fitness Department, Doctrine and Research Branch, Israel
| | - Dan Nemet
- Child Health and Sport Center, Pediatric Department, Meir Medical Center, Sackler School of Medicine, Tel Aviv University, Israel
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21
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Achilles tendinopathy and plantar fasciopathy: Are we ignoring calcaneal bone morphology? - A radiological assessment of calcaneal parameters. Foot (Edinb) 2022; 53:101950. [PMID: 36463614 DOI: 10.1016/j.foot.2022.101950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 04/28/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND A radiological study was conducted to determine whether calcaneal morphological differences contribute to the pathophysiology of Achilles tendinopathy and plantar fasciopathy. This study is aimed to support our new hypothesis to explain the pathophysiology leading to recalcitrant disease and also to identify the role of calcaneal osteotomy for treating these conditions. MATERIALS AND METHODS Calcaneal width and height distance deviation from centre of ankle joint rotation was measured on standardised lateral weight bearing Ankle radiographs. A comparison was made between control group and study group to identify the differences in measured parameters. RESULTS Significant difference (P = 0.05) was observed in calcaneal width distance in study group with Achilles tendinopathy. In Plantar fasciopathy the vertical distance was reduced suggesting flattening of arch in study group. However, the difference was not statistically significant. CONCLUSION The study identifies the importance of evaluating calcaneal morphology for patients with recalcitrant Achilles tendinopathy and plantar fasciopathy. A new hypothesis is proposed to explain the high stresses produced in entire Achilles -calcaneus -plantar fascia unit which leads to chronic inflammatory response and intra substance degeneration.
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22
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Sharif F, Ahmad A, Gilani SA, Bacha R, Hanif A, Arif MA. Efficacy of ultrasound guided dry needling as an adjunct to conventional physical therapy for patients with jumper’s knee: A randomized controlled trial. Front Surg 2022; 9:1023902. [PMID: 36406368 PMCID: PMC9672502 DOI: 10.3389/fsurg.2022.1023902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Accepted: 10/10/2022] [Indexed: 11/06/2022] Open
Abstract
Background Jumper’s knee is a degenerative condition among athletes, and it has been treated with conventional physical therapy (CPT). Ultrasound guided dry needling (USG-DN) is a relatively new technique to explore clinical outcomes in patients with tendinopathy. Methods This parallel group, single-blinded randomized controlled trial was carried out involving 94 athletes with clinically diagnosed jumper’s knee, divided into an intervention group (USG-DN + CPT, n = 47) and a control group (CPT, n = 47). Participants received a 4-week programme; the intervention group received ultrasound guided patellar tendon dry needling (DN) in conjunction with CPT. The control group received only CPT. The visual analog scale (VAS), Victorian institute of sports assessment-Patellar tendinopathy (VISA-P) questionnaire, Lysholm scale, Knee injury and osteoarthritis outcome score (KOOS) and ultrasonographic features of patellar tendinopathy were evaluated at baseline,1 week, 2 weeks, and 4 weeks. The data were analyzed through SPSS-26. Results The study found statistically significant differences (P < 0.05) regarding VAS, Lysholm, VISA-P, and KOOS scales at baseline, 1st, 2nd, and 4th week post-intervention. Within-group differences also showed statistically significant results after the intervention. There were significant results observed in ultrasonographic outcomes between both groups at 1 month post-intervention (all P < 0.05). Conclusion The results of the current study suggest, ultrasound guided DN of patellar tendon in combination with CPT reduced pain, improved function, and showed a tendency to decrease tendon thickness in patients with patellar tendinopathy. Clinical Trial Registration Number (IRCT20210409050913N1). Dated: 17.04.2021. https://www.irct.ir/user/trial/55607/view.
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Affiliation(s)
- Faiza Sharif
- University Institute of Physical Therapy, The University of Lahore, Lahore, Pakistan
- Correspondence: Faiza Sharif Ashfaq Ahmad
| | - Ashfaq Ahmad
- Faculty of Allied Health Sciences, The University of Lahore, Lahore, Pakistan
- Correspondence: Faiza Sharif Ashfaq Ahmad
| | - Syed Amir Gilani
- Faculty of Allied Health Sciences, The University of Lahore, Lahore, Pakistan
| | - Raham Bacha
- University Institute of Radiological Sciences and Medical Imaging Technology, University of Lahore, Lahore, Pakistan
| | - Asif Hanif
- University Institute of Public Health, Faculty of Allied Health Sciences, University of Lahore, Lahore, Pakistan
| | - Muhammad Asim Arif
- University Institute of Physical Therapy, The University of Lahore, Lahore, Pakistan
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23
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Dextrose prolotherapy for chronic tendinopathy: a scoping review. Eur J Integr Med 2022. [DOI: 10.1016/j.eujim.2022.102191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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24
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Makuku R, Werthel JD, Zanjani LO, Nabian MH, Tantuoyir MM. New frontiers of tendon augmentation technology in tissue engineering and regenerative medicine: a concise literature review. J Int Med Res 2022; 50:3000605221117212. [PMID: 35983666 PMCID: PMC9393707 DOI: 10.1177/03000605221117212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Tissue banking programs fail to meet the demand for human organs and tissues for
transplantation into patients with congenital defects, injuries, chronic
diseases, and end-stage organ failure. Tendons and ligaments are among the most
frequently ruptured and/or worn-out body tissues owing to their frequent use,
especially in athletes and the elderly population. Surgical repair has remained
the mainstay management approach, regardless of scarring and adhesion formation
during healing, which then compromises the gliding motion of the joint and
reduces the quality of life for patients. Tissue engineering and regenerative
medicine approaches, such as tendon augmentation, are promising as they may
provide superior outcomes by inducing host-tissue ingrowth and tendon
regeneration during degradation, thereby decreasing failure rates and morbidity.
However, to date, tendon tissue engineering and regeneration research has been
limited and lacks the much-needed human clinical evidence to translate most
laboratory augmentation approaches to therapeutics. This narrative review
summarizes the current treatment options for various tendon pathologies, future
of tendon augmentation, cell therapy, gene therapy, 3D/4D bioprinting,
scaffolding, and cell signals.
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Affiliation(s)
- Rangarirai Makuku
- Center for Orthopedic Trans-Disciplinary Applied Research (COTAR), School of Medicine, 48439Tehran University of Medical Sciences, Tehran, Iran.,Department of Orthopedic Surgery, Hospital Ambroise Pare, Boulogne-Billancourt, France
| | - Jean-David Werthel
- Department of Orthopedic and Trauma Surgery, Shariati Hospital, 48439Tehran University of Medical Sciences, Tehran, Iran
| | - Leila Oryadi Zanjani
- Center for Orthopedic Trans-Disciplinary Applied Research (COTAR), School of Medicine, 48439Tehran University of Medical Sciences, Tehran, Iran.,Department of Orthopedic Surgery, Hospital Ambroise Pare, Boulogne-Billancourt, France
| | - Mohammad Hossein Nabian
- Center for Orthopedic Trans-Disciplinary Applied Research (COTAR), School of Medicine, 48439Tehran University of Medical Sciences, Tehran, Iran.,Department of Orthopedic Surgery, Hospital Ambroise Pare, Boulogne-Billancourt, France
| | - Marcarious M Tantuoyir
- Center for Orthopedic Trans-Disciplinary Applied Research (COTAR), School of Medicine, 48439Tehran University of Medical Sciences, Tehran, Iran.,Department of Orthopedic Surgery, Hospital Ambroise Pare, Boulogne-Billancourt, France.,Biomedical Engineering Unit, University of Ghana Medical Centre, Accra, Ghana
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25
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Schröder P, Molsberger A, Drabik A, Karst M, Merk H. Percutaneous Bioelectric Current Stimulation (PBCS) in the Treatment of Chronic Achilles tendinopathy. Protocol for a Double-Blind, Placebo-Controlled Randomized Multicenter Trial (Preprint). JMIR Res Protoc 2022; 11:e40894. [DOI: 10.2196/40894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 10/21/2022] [Accepted: 11/02/2022] [Indexed: 11/05/2022] Open
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26
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Gundogdu K, Yilmaz Tasci S, Gundogdu G, Terim Kapakin KA, Totik Y, Demirkaya Miloglu F. Evaluation of cytokines in protective effect of docosahexaenoic acid in experimental achilles tendinopathy rat model induced with type-1 collagenase. Connect Tissue Res 2022; 63:393-405. [PMID: 34612118 DOI: 10.1080/03008207.2021.1982915] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND We aimed to investigate the effectiveness of docosahexaenoic acid (DHA) as a treatment for Achilles tendinopathy (AT) induced with type-I collagenase in rats and compare it with collagen. METHODS The AT model was induced with type I collagenase, and animals were randomly assigned to groups. Group 1:AT, Group 2: Collagen (7.2 mg/kg/day), Group 3:DHA (300 mg/kg/day), and Group 4:DHA (100 mg/kg/day). Right tendons of Group1 were used as a healthy control (HC). Oral treatments were applied for eight weeks. Serum tumor necrosis factor-alpha(TNF-α), matrix metalloproteinase-13 (MMP-13), and interleukin-1 beta(IL-1β) concentrations were determined by ELISA. Tendon samples were taken for histopathological evaluation and examined immunohistochemically with antibodies specific for Col1A1, TNF-α, MMP-13, IL-1β, and nitric oxide synthase-2(NOS-2). The ultimate tensile force (UTF) yield force(YF) and stiffness were measured by biomechanical assessments. RESULTS UTF,YF and stiffness values were increased in all treatment groups compared to the AT control, a significant increase was found in Group 2 (p < 0.05). There was severe degeneration of tendon cells in the AT control. The tendon cells in samples from Groups 2-3 were less degraded, and this was statistically significant (p < 0.05). TNF-α, MMP-13, IL-1β, and NOS-2 expressions were significantly higher in the AT control compared to the HC. In all treatment groups, their concentrations were lower than in the AT control. Serum TNF-α, MMP-13, and IL-1β levels were lower in all treatment groups (Especially in Group3 (p < 0.001)) compared to Group1. CONCLUSION The efficacy of high-dose DHA as a treatment for AT was investigated from biochemical, histopathological, and biomechanical perspectives. The results showed that DHA could be an alternative treatment compound to collagen.
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Affiliation(s)
- Koksal Gundogdu
- Department of Orthopedics and Traumatology, Denizli State Hospital, Denizli, Turkey
| | | | - Gulsah Gundogdu
- Department of Physiology, Faculty of Medicine, Pamukkale University, Denizli, Turkey
| | - Kubra Asena Terim Kapakin
- Department of Veterinary Pathology, Faculty of Veterinary Medicine, Ataturk University, Erzurum, Turkey
| | - Yasar Totik
- Department of Machine Engineering, Faculty of Engineering, Ataturk University, Erzurum, Turkey
| | - Fatma Demirkaya Miloglu
- Department of Analytical Chemistry, Faculty of Pharmacy, Ataturk University, Erzurum, Turkey
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27
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Watson-Levings RS, Palmer GD, Levings PP, Dacanay EA, Evans CH, Ghivizzani SC. Gene Therapy in Orthopaedics: Progress and Challenges in Pre-Clinical Development and Translation. Front Bioeng Biotechnol 2022; 10:901317. [PMID: 35837555 PMCID: PMC9274665 DOI: 10.3389/fbioe.2022.901317] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 05/27/2022] [Indexed: 11/25/2022] Open
Abstract
In orthopaedics, gene-based treatment approaches are being investigated for an array of common -yet medically challenging- pathologic conditions of the skeletal connective tissues and structures (bone, cartilage, ligament, tendon, joints, intervertebral discs etc.). As the skeletal system protects the vital organs and provides weight-bearing structural support, the various tissues are principally composed of dense extracellular matrix (ECM), often with minimal cellularity and vasculature. Due to their functional roles, composition, and distribution throughout the body the skeletal tissues are prone to traumatic injury, and/or structural failure from chronic inflammation and matrix degradation. Due to a mixture of environment and endogenous factors repair processes are often slow and fail to restore the native quality of the ECM and its function. In other cases, large-scale lesions from severe trauma or tumor surgery, exceed the body’s healing and regenerative capacity. Although a wide range of exogenous gene products (proteins and RNAs) have the potential to enhance tissue repair/regeneration and inhibit degenerative disease their clinical use is hindered by the absence of practical methods for safe, effective delivery. Cumulatively, a large body of evidence demonstrates the capacity to transfer coding sequences for biologic agents to cells in the skeletal tissues to achieve prolonged delivery at functional levels to augment local repair or inhibit pathologic processes. With an eye toward clinical translation, we discuss the research progress in the primary injury and disease targets in orthopaedic gene therapy. Technical considerations important to the exploration and pre-clinical development are presented, with an emphasis on vector technologies and delivery strategies whose capacity to generate and sustain functional transgene expression in vivo is well-established.
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Affiliation(s)
- Rachael S. Watson-Levings
- Department of Orthopaedic Surgery and Sports Medicine, University of Florida College of Medicine, Gainesville, FL, United States
| | - Glyn D. Palmer
- Department of Orthopaedic Surgery and Sports Medicine, University of Florida College of Medicine, Gainesville, FL, United States
| | - Padraic P. Levings
- Department of Orthopaedic Surgery and Sports Medicine, University of Florida College of Medicine, Gainesville, FL, United States
| | - E. Anthony Dacanay
- Department of Orthopaedic Surgery and Sports Medicine, University of Florida College of Medicine, Gainesville, FL, United States
| | - Christopher H. Evans
- Rehabilitation Medicine Research Center, Mayo Clinic, Rochester, MI, United States
| | - Steven C. Ghivizzani
- Department of Orthopaedic Surgery and Sports Medicine, University of Florida College of Medicine, Gainesville, FL, United States
- *Correspondence: Steven C. Ghivizzani,
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28
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Shinohara I, Mifune Y, Inui A, Nishimoto H, Yamaura K, Mukohara S, Yoshikawa T, Kato T, Furukawa T, Hoshino Y, Matsushita T, Kuroda R. Biochemical Markers of Aging (Advanced Glycation End Products) and Degeneration Are Increased in Type 3 Rotator Cuff Tendon Stumps With Increased Signal Intensity Changes on MRI. Am J Sports Med 2022; 50:1960-1970. [PMID: 35486520 DOI: 10.1177/03635465221090649] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Advanced glycation end products (AGEs) are end products of protein glycation that bind to the receptor for AGEs (RAGE) and activate nicotinamide adenine dinucleotide phosphate oxidase (NOX), resulting in increased oxidative stress and rotator cuff fragility. Stump classification using the signal intensity ratio of the tendon rupture site to the deltoid muscle in the coronal view of T2-weighted fat-suppressed magnetic resonance imaging (MRI) scans is an indicator of clinical outcomes after rotator cuff repair surgery. Comparing the signal intensities of the deltoid (D) and rotator cuff tears (C), Ishitani et al. classified C/D <0.8 as type 1, 0.8 to 1.3 as type 2, and >1.3 as type 3. HYPOTHESIS/PURPOSE It was hypothesized that the oxidative stress and collagen degeneration that occur in the rotator cuff due to accumulation of AGEs can be assessed on MRI scans (stump classification). Therefore, this study aimed to compare AGE-related factors in the rotator cuff tear site tissues based on stump classification. STUDY DESIGN Descriptive laboratory study. METHODS The authors included 30 patients (11 with type 1, 9 with type 2, and 10 with type 3; mean age, 62.3 years) who underwent surgery for complete rotator cuff tears at our hospital. Tendon tissue was harvested from the torn rotator cuff site during surgery for tissue and cell evaluation. RESULTS There was no significant difference in the mean age according to stump classification. The number of patients with diabetes was significantly larger in type 3 than in the other types (P < .05). Tissue evaluation showed significantly higher expression of AGE and RAGE staining in type 3 than in the other types (~6.7-fold; P < .01). Cell evaluation showed that the expression rates of reactive oxygen species and apoptosis were significantly higher in type 3 than in the other types (~4.3-fold; P < .01). Gene expression by real-time polymerase chain reaction showed significantly higher RAGE (~5.1-fold), NOX (~5.3-fold), and IL (~3.0-fold) in type 3 than in the other types (P < .05). CONCLUSION Stump classification type 3 exhibited the highest accumulation of AGEs and the highest oxidative stress and apoptosis, suggesting a high degree of degeneration and inflammation. Imaging based on stump classification reflects the degeneration and fragility of the torn rotator cuff site. CLINICAL RELEVANCE This study provides evidence of a relationship between stump classification, which reflects rotator cuff fragility on MRI, and pathologies related to advanced glycation end products.
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Affiliation(s)
- Issei Shinohara
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Yutaka Mifune
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Atsuyuki Inui
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Hanako Nishimoto
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Kohei Yamaura
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Shintaro Mukohara
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Tomoya Yoshikawa
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Tatsuo Kato
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Takahiro Furukawa
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Yuichi Hoshino
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Takehiko Matsushita
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Ryosuke Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
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29
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Marberry SM, Filmalter SE, Pujalte GGA, Presley JC, DeMatas KF, Montero DP, Israni K, Ball CT, Maynard JR. Self-reported foot strike patterns and sonographic evidence of Achilles tendinopathy in asymptomatic marathon runners. J Sports Sci 2022; 40:1308-1314. [PMID: 35640042 DOI: 10.1080/02640414.2022.2080158] [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: 10/18/2022]
Abstract
It is unknown whether ultrasound findings and symptoms of Achilles tendinopathy in runners correlate with foot strike patterns. We aimed to examine the relationships among Achilles tendon ultrasound findings in runners with or without Achilles tendinopathy, their foot strike patterns, and their training regimens. We recruited marathon runners 18 years of age or older with no history of Achilles tendon pain or surgery participating in the 2018 DONNA Marathon. Participants completed surveys and underwent Achilles tendon sonographic evaluations and were categorized by foot strike patterns. Seventy-nine runners were included; 22 (28%) with forefoot, 30 (38%) midfoot, and 27 (34%) hindfoot strike patterns. Foot strike pattern was not associated with tendon hyperaemia (P = 1.00) or hypoechogenicity (P = .97), and there was no association of cross-sectional area of the Achilles tendon with peak weekly distance while training. Sonographic characteristics of Achilles tendinopathy did not correlate with foot strike patterns or training regimens. Although not statistically significant, it is worth noting that cross-sectional area was 1 mm2 larger per every 1 kg/m2 increase in body mass index.
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Affiliation(s)
- Scott M Marberry
- Department of Orthopedic Surgery, Mayo Clinic, Jacksonville, Florida, USA.,Department of Family Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - Sara E Filmalter
- Department of Orthopedic Surgery, Mayo Clinic, Jacksonville, Florida, USA.,Department of Family Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - George G A Pujalte
- Department of Orthopedic Surgery, Mayo Clinic, Jacksonville, Florida, USA.,Department of Family Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - James C Presley
- Department of Orthopedic Surgery, Mayo Clinic, Jacksonville, Florida, USA
| | - Kristina F DeMatas
- Department of Orthopedic Surgery, Mayo Clinic, Jacksonville, Florida, USA.,Department of Family Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - Daniel P Montero
- Department of Orthopedic Surgery, Mayo Clinic, Jacksonville, Florida, USA
| | - Krishna Israni
- Department of Family Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - Colleen T Ball
- Biostatistics Unit, Mayo Clinic, Jacksonville, Florida, USA
| | - Jennifer R Maynard
- Department of Orthopedic Surgery, Mayo Clinic, Jacksonville, Florida, USA.,Department of Family Medicine, Mayo Clinic, Jacksonville, Florida, USA
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30
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Shinohara I, Mifune Y, Inui A, Nishimoto H, Yamaura K, Mukohara S, Yoshikawa T, Kato T, Furukawa T, Hoshino Y, Matsushita T, Kuroda R. Advanced glycation end products are associated with limited range of motion of the shoulder joint in patients with rotator cuff tears associated with diabetes mellitus. BMC Musculoskelet Disord 2022; 23:271. [PMID: 35317765 PMCID: PMC8939191 DOI: 10.1186/s12891-022-05229-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Accepted: 03/15/2022] [Indexed: 11/24/2022] Open
Abstract
Background Most degenerative rotator cuff tears (RCTs) are associated with a limited range of motion (ROM) of the shoulder joint. Additionally, patients with diabetes mellitus (DM) show a higher frequency of limited ROM. Recently, advanced glycation end products (AGEs) of proteins have been observed to cause tissue fibrosis, primarily through abnormal collagen cross-linking and oxidative stress. In this study, we investigated the effect of AGEs on ROM limitation in the shoulder capsule and its relationship with DM in the patients with RCTs. Methods Sixteen patients (eight in the DM and non-DM groups) who underwent arthroscopic surgery for RCT with limited shoulder ROM were included in this study. AGE-related pathologies in both groups were compared, and the relationship between AGE accumulation and shoulder joint ROM was evaluated. Shoulder capsule tissue was harvested and subjected to histological and in vitro evaluation. Results The DM group displayed high levels of AGEs and reactive oxygen species (ROS), and reduced cell viability. There was a significant positive correlation between ROS expression, apoptosis, and preoperative hemoglobin A1c. ROS expression, apoptosis, and ROM of the shoulder joint showed a negative correlation. The NADPH oxidase (NOX) expression and collagen III/I ratio were significantly higher in the DM group than in the non-DM group. Conclusions The DM group showed significant AGEs deposition in the shoulder capsule. Additionally, there was a significant association between AGEs and ROM limitation. Collectively, the findings suggest that the oxidative stress induced by AGEs deposition, which leads to fibrosis and local inflammation, might contribute to the limited ROM of the shoulder joint in patients with RCTs accompanied by DM.
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Affiliation(s)
- Issei Shinohara
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 5-2, Kusunoki-cho7, Chuo-ku, Kobe-shi, Hyogo, 650-0017, Japan
| | - Yutaka Mifune
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 5-2, Kusunoki-cho7, Chuo-ku, Kobe-shi, Hyogo, 650-0017, Japan.
| | - Atsuyuki Inui
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 5-2, Kusunoki-cho7, Chuo-ku, Kobe-shi, Hyogo, 650-0017, Japan
| | - Hanako Nishimoto
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 5-2, Kusunoki-cho7, Chuo-ku, Kobe-shi, Hyogo, 650-0017, Japan
| | - Kohei Yamaura
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 5-2, Kusunoki-cho7, Chuo-ku, Kobe-shi, Hyogo, 650-0017, Japan
| | - Shintaro Mukohara
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 5-2, Kusunoki-cho7, Chuo-ku, Kobe-shi, Hyogo, 650-0017, Japan
| | - Tomoya Yoshikawa
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 5-2, Kusunoki-cho7, Chuo-ku, Kobe-shi, Hyogo, 650-0017, Japan
| | - Tatsuo Kato
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 5-2, Kusunoki-cho7, Chuo-ku, Kobe-shi, Hyogo, 650-0017, Japan
| | - Takahiro Furukawa
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 5-2, Kusunoki-cho7, Chuo-ku, Kobe-shi, Hyogo, 650-0017, Japan
| | - Yuichi Hoshino
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 5-2, Kusunoki-cho7, Chuo-ku, Kobe-shi, Hyogo, 650-0017, Japan
| | - Takehiko Matsushita
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 5-2, Kusunoki-cho7, Chuo-ku, Kobe-shi, Hyogo, 650-0017, Japan
| | - Ryosuke Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 5-2, Kusunoki-cho7, Chuo-ku, Kobe-shi, Hyogo, 650-0017, Japan
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Ryan D, Rio E, O’Donoghue G, O’Sullivan C. The effect of combined action observation therapy and eccentric exercises in the treatment of mid-portion Achilles tendinopathy: study protocol for a feasibility pilot randomised controlled trial. Pilot Feasibility Stud 2022; 8:30. [PMID: 35130966 PMCID: PMC8819879 DOI: 10.1186/s40814-022-00981-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 01/19/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Mid-portion Achilles tendinopathy (AT) is a common overuse injury which can be difficult to successfully rehabilitate. Whilst peripherally directed treatment approaches that strengthen the Achilles tendon complex can be efficacious for some individuals, others will continue to experience long-standing pain and functional deficits. Expanding our rehabilitation approach beyond the tendon mechanical properties to include techniques which target the central neurophysiological changes which can occur in chronic injuries, including mid-portion AT, may improve our rehabilitation outcomes. Action observation therapy (AOT) is one such technique which targets central changes and can enhance motor learning. To our knowledge, there is currently no available information on the combined effect of AOT and eccentric exercises in the rehabilitation of mid-portion AT, nor understanding of the feasibility of conducting randomised controlled trials that investigate this combined centrally and peripherally directed treatment approach. This protocol outlines the design of a remotely conducted parallel-group randomised controlled trial comparing the efficacy of combined AOT and eccentric loading exercises versus eccentric loading exercises alone for mid-portion AT.
Methods
Participants recruited throughout Ireland with mid-portion AT will be randomly assigned to one of the following groups: (i) The AOT group will observe videos of the eccentric exercises prior to the physical performance of the eccentric exercises. (ii) The control group will observe videos of landscapes prior to the performance of the eccentric exercises. This is a 12-week daily intervention as per the Alfredson loading protocol and outcome measures will be assessed at baseline, week 6 and week 12. Primary feasibility outcomes will include data on numbers of eligible participants, recruitment and retention rates, along with exercise compliance and acceptability of treatment. The primary clinical outcome measure will be the Victorian Institution Symptom Assessment-Achilles Questionnaire (VISA-A) assessing disability. Secondary clinical outcomes will address the remaining core domains as outlined by the International Scientific Tendinopathy Symposium consensus (ICON group) including pain, participation, functional, physical function capacity, quality of life and psychological factors. Widespread bodily pain and centralised pain features and patient satisfaction levels will also be evaluated.
Discussion
This study will provide scientific direction for future randomised controlled trials exploring the effect of AOT and eccentric exercises in the treatment of mid-portion AT on pain, centralised pain features, motor and non-motor functions, quality of life and patient satisfaction levels. The feasibility of the conducting a study remotely from participant screening to final follow-up assessment will also be provided.
Trial registration
ISRCTN58161116
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Zainuddin FL, Abd Rahman NA, Razman R, Shaharudin S. Lower limb biomechanical factors associated with Achilles tendinopathy in runners: a systematic review. SPORT SCIENCES FOR HEALTH 2021. [DOI: 10.1007/s11332-021-00862-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Matthews W, Ellis R, Furness J, Hing WA. The clinical diagnosis of Achilles tendinopathy: a scoping review. PeerJ 2021; 9:e12166. [PMID: 34692248 PMCID: PMC8485842 DOI: 10.7717/peerj.12166] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 08/25/2021] [Indexed: 12/13/2022] Open
Abstract
Background Achilles tendinopathy describes the clinical presentation of pain localised to the Achilles tendon and associated loss of function with tendon loading activities. However, clinicians display differing approaches to the diagnosis of Achilles tendinopathy due to inconsistency in the clinical terminology, an evolving understanding of the pathophysiology, and the lack of consensus on clinical tests which could be considered the gold standard for diagnosing Achilles tendinopathy. The primary aim of this scoping review is to provide a method for clinically diagnosing Achilles tendinopathy that aligns with the nine core health domains. Methodology A scoping review was conducted to synthesise available evidence on the clinical diagnosis and clinical outcome measures of Achilles tendinopathy. Extracted data included author, year of publication, participant characteristics, methods for diagnosing Achilles tendinopathy and outcome measures. Results A total of 159 articles were included in this scoping review. The most commonly used subjective measure was self-reported location of pain, while additional measures included pain with tendon loading activity, duration of symptoms and tendon stiffness. The most commonly identified objective clinical test for Achilles tendinopathy was tendon palpation (including pain on palpation, localised tendon thickening or localised swelling). Further objective tests used to assess Achilles tendinopathy included tendon pain during loading activities (single-leg heel raises and hopping) and the Royal London Hospital Test and the Painful Arc Sign. The VISA-A questionnaire as the most commonly used outcome measure to monitor Achilles tendinopathy. However, psychological factors (PES, TKS and PCS) and overall quality of life (SF-12, SF-36 and EQ-5D-5L) were less frequently measured. Conclusions There is significant variation in the methodology and outcome measures used to diagnose Achilles tendinopathy. A method for diagnosing Achilles tendinopathy is proposed, that includes both results from the scoping review and recent recommendations for reporting results in tendinopathy.
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Affiliation(s)
- Wesley Matthews
- Bond Institute of Health and Sport, Faculty of Health Sciences and Medicine, Bond University, Gold Coast, Queensland, Australia
| | - Richard Ellis
- Active Living and Rehabilitation: Aotearoa New Zealand, Health and Rehabilitation Research Institute, Faculty of Health and Environmental Sciences, Auckland University of Technology, Auckland, New Zealand.,Department of Physiotherapy, School of Clinical Sciences, Faculty of Health and Environmental Sciences, Auckland University of Technology, Auckland, New Zealand
| | - James Furness
- Bond Institute of Health and Sport, Faculty of Health Sciences and Medicine, Bond University, Gold Coast, Queensland, Australia
| | - Wayne A Hing
- Bond Institute of Health and Sport, Faculty of Health Sciences and Medicine, Bond University, Gold Coast, Queensland, Australia
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Burton I. Autoregulation in Resistance Training for Lower Limb Tendinopathy: A Potential Method for Addressing Individual Factors, Intervention Issues, and Inadequate Outcomes. Front Physiol 2021; 12:704306. [PMID: 34421641 PMCID: PMC8375597 DOI: 10.3389/fphys.2021.704306] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Accepted: 07/06/2021] [Indexed: 01/08/2023] Open
Abstract
Musculoskeletal disorders, such as tendinopathy, are placing an increasing burden on society and health systems. Tendinopathy accounts for up to 30% of musculoskeletal disorders, with a high incidence in athletes and the general population. Although resistance training has shown short-term effectiveness in the treatment of lower limb tendinopathy, more comprehensive exercise protocols and progression methods are required due to poor long-term outcomes. The most common resistance training protocols are predetermined and standardized, which presents significant limitations. Current standardized protocols do not adhere to scientific resistance training principles, consider individual factors, or take the importance of individualized training into account. Resistance training programs in case of tendinopathy are currently not achieving the required intensity and dosage, leading to high recurrence rates. Therefore, better methods for individualizing and progressing resistance training are required to improve outcomes. One potential method is autoregulation, which allows individuals to progress training at their own rate, taking individual factors into account. Despite the finding of their effectiveness in increasing the strength of healthy athletes, autoregulation methods have not been investigated in case of tendinopathy. The purpose of this narrative review was 3-fold: firstly, to give an overview and a critical analysis of the individual factors involved in tendinopathy and current resistance training protocols and their limitations. Secondly, to give an overview of the history, methods, and application of autoregulation strategies both in sports performance and physiotherapy. Finally, a theoretical adaptation of a current tendinopathy resistance training protocol using autoregulation methods is presented, providing an example of how the method could be implemented in clinical practice or future research.
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Affiliation(s)
- Ian Burton
- National Health Service (NHS) Grampian, Aberdeen, United Kingdom
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Kim DH, Noh SU, Chae SW, Kim SJ, Lee YT. Altered Differentiation of Tendon-Derived Stem Cells in Diabetic Conditions Mediated by Macrophage Migration Inhibitory Factor. Int J Mol Sci 2021; 22:ijms22168983. [PMID: 34445689 PMCID: PMC8396498 DOI: 10.3390/ijms22168983] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/14/2021] [Accepted: 08/16/2021] [Indexed: 12/17/2022] Open
Abstract
The purpose of our study was to evaluate the role of macrophage migration inhibitory factor (MIF) in the differentiation of tendon-derived stem cells (TdSCs) under hyperglycemic conditions. In the in vivo experiment, rats were classified into diabetic (DM) and non-DM groups depending on the intraperitoneal streptozotocin (STZ) or saline injection. Twelve-week after STZ injection, the supraspinatus tendon was harvested and prepared for histological evaluation and real-time reverse transcription polymerase chain reaction for osteochondrogenic (aggrecan, BMP-2, and Sox9) and tenogenic (Egr1, Mkx, scleraxis, type 1 collagen, and Tnmd) markers. For the in vitro experiment, TdSCs were isolated from healthy rat Achilles tendons. Cultured TdSCs were treated with methylglyoxal and recombinant MIF or MIF gene knockdown to determine the effect of hyperglycemic conditions and MIF on the differentiation function of TdSCs. These conditions were classified into four groups: hyperglycemic-control group, hyperglycemic-recombinant-MIF group, hyperglycemic-knockdown-MIF group, and normal-control group. The mRNA expression of osteochondrogenic and tenogenic markers was compared among the groups. In the in vivo experiment, the mRNA expression of all osteochondrogenic and tenogenic differentiation markers in the DM group was significantly higher and lower than that in the non-DM group, respectively. Similarly, in the in vitro experiments, the expression of all osteochondrogenic and tenogenic differentiation markers was significantly upregulated and downregulated, respectively, in the hyperglycemic-control group compared to that in the normal-control group. The hyperglycemic-knockdown-MIF group demonstrated significantly decreased expression of all osteochondrogenic differentiation markers and increased expression of only some tenogenic differentiation markers compared with the hyperglycemic-control group. In contrast, the hyperglycemic-recombinant-MIF group showed significantly increased expression of all osteochondrogenic differentiation markers, but no significant difference in any tenogenic marker level, compared to the hyperglycemic-control group. These results suggest that tendon homeostasis could be affected by hyperglycemic conditions, and MIF appears to alter the differentiation of TdSCs via enhancement of the osteochondrogenic differentiation in hyperglycemic conditions. These are preliminary findings, and must be confirmed in a further study.
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Affiliation(s)
- Du-Hwan Kim
- Department of Physical Medicine and Rehabilitation, College of Medicine, Chung-Ang University, Seoul 06973, Korea;
| | - Sun-Up Noh
- Medical Research Institute, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul 03181, Korea;
| | - Seoung-Wan Chae
- Department of Pathology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul 03181, Korea;
| | - Sang-Jun Kim
- Seoul Jun Research Center, Seoul Jun Rehabilitation Clinic, Seoul 06737, Korea;
| | - Yong-Taek Lee
- Medical Research Institute, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul 03181, Korea;
- Department of Physical and Rehabilitation Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul 03181, Korea
- Correspondence: ; Tel.: +82-2-2001-2472
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Kovanur Sampath K, Mani R, Katare R, Neale J, Cotter J, Tumilty S. Thoracic Spinal Manipulation Effect on Neuroendocrine Response in People With Achilles Tendinopathy: A Randomized Crossover Trial. J Manipulative Physiol Ther 2021; 44:420-431. [PMID: 34376321 DOI: 10.1016/j.jmpt.2021.06.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 09/13/2020] [Accepted: 06/15/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE The purpose of the present study was to determine the neuroendocrine response after a thoracic spinal manipulation in people with Achilles tendinopathy. METHODS This was a randomized 2-sequence, 2-period crossover trial. A total of 24 participants, mean (standard deviation) age of 48 (7) years, with a diagnosis of Achilles tendinopathy (>3 mo) were randomly assigned into sequence 1 (sham intervention and then thoracic spinal manipulation) or sequence 2 (thoracic spinal manipulation and then sham intervention). The trial was conducted at a university laboratory with a washout period of 1 week. The primary outcome measure was the testosterone/cortisol (T/C) ratio (salivary samples). The secondary outcome measures included heart rate variability (measured with electrocardiography) and total oxygenation index (nmol/L) of calf muscle and Achilles tendon (measured with near-infrared spectroscopy). A 2-way mixed-model analysis of variance was performed. The statistic of interest was the condition by time interaction. RESULTS A statistically significant condition by time interaction was found for the T/C ratio (mean difference: -0.16; confidence interval: -0.33 to 0.006; interaction: P < .05) and the total oxygenation index (mean difference: 1.35; confidence interval: -1.3 to 4.1; interaction: P < .05) of calf muscle but not for Achilles tendon (P = .6); however, no difference was found for heart rate variability (P = .5). CONCLUSION In people with Achilles tendinopathy, thoracic spinal manipulation resulted in immediate increase in the total oxygenation index in the calf muscle followed by an increase in the T/C ratio 6 hours post-intervention.
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Affiliation(s)
- Kesava Kovanur Sampath
- Centre for Health, Activity, and Rehabilitation Research, School of Physiotherapy, University of Otago, Dunedin, New Zealand.
| | - Ramakrishnan Mani
- Centre for Health, Activity, and Rehabilitation Research, School of Physiotherapy, University of Otago, Dunedin, New Zealand
| | - Rajesh Katare
- Department of Physiology-Heart Otago, University of Otago, Dunedin, New Zealand
| | - Joshua Neale
- Department of Physiology-Heart Otago, University of Otago, Dunedin, New Zealand
| | - James Cotter
- School of Physical Education, Sport and Exercise Science, Dunedin, New Zealand
| | - Steve Tumilty
- Centre for Health, Activity, and Rehabilitation Research, School of Physiotherapy, University of Otago, Dunedin, New Zealand
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Weinrich L, Paraskevaidis M, Schleip R, Agres AN, Tsitsilonis S. Does the Calcaneus Serve as Hypomochlion within the Lower Limb by a Myofascial Connection?-A Systematic Review. Life (Basel) 2021; 11:life11080745. [PMID: 34440492 PMCID: PMC8398293 DOI: 10.3390/life11080745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/15/2021] [Accepted: 07/21/2021] [Indexed: 11/29/2022] Open
Abstract
(1) Background: Clinical approaches have depicted interconnectivity between the Achilles tendon and the plantar fascia. This concept has been applied in rehabilitation, prevention, and in conservative management plans, yet potential anatomical and histological connection is not fully understood. (2) Objective: To explore the possible explanation that the calcaneus acts as a hypomochlion. (3) Methods: 2 databases (Pubmed and Livivo) were searched and studies, including those that examined the relationship of the calcaneus to the Achilles tendon and plantar fascia and its biomechanical role. The included studies highlighted either the anatomical, histological, or biomechanical aspect of the lower limb. (4) Results: Seventeen studies were included. Some studies depicted an anatomical connection that slowly declines with age. Others mention a histological similarity and continuity via the paratenon, while a few papers have brought forward mechanical reasoning. (5) Conclusion: The concept of the calcaneus acting as a fulcrum in the lower limb can partially be supported by anatomical, histological, and biomechanical concepts. Despite the plethora of research, a comprehensive understanding is yet to be investigated. Further research exploring the precise interaction is necessary.
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Affiliation(s)
- Luise Weinrich
- Center for Musculoskeletal Surgery, Charité—Universitätsmedizin Berlin, 13353 Berlin, Germany; (L.W.); (M.P.)
| | - Melissa Paraskevaidis
- Center for Musculoskeletal Surgery, Charité—Universitätsmedizin Berlin, 13353 Berlin, Germany; (L.W.); (M.P.)
| | - Robert Schleip
- Technische Universität München, 80333 München, Germany;
- Diploma University of Applied Sciences, 37242 Bad Sooden-Allendorf, Germany
| | - Alison N. Agres
- Julius Wolff Institute, Berlin Institute of Health and Charité—Universitätsmedizin Berlin, 13353 Berlin, Germany;
| | - Serafeim Tsitsilonis
- Center for Musculoskeletal Surgery, Charité—Universitätsmedizin Berlin, 13353 Berlin, Germany; (L.W.); (M.P.)
- Correspondence:
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Lo Presti M, Costa GG, Agrò G, Vasco C, Zunarelli P, Zaffagnini S. Adipose-derived Stromal Vascular Fraction Injection in a Competitive High-level Athlete Affected by Insertional Achilles Tendinopathy. J Foot Ankle Surg 2021; 60:626-629. [PMID: 33551230 DOI: 10.1053/j.jfas.2020.04.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 04/08/2020] [Accepted: 04/16/2020] [Indexed: 02/03/2023]
Abstract
Achilles tendinopathy is one of the most common ankle and foot overuse injuries, especially among athletes. Despite this, the management of this injury lacks an evidence-based support, and patients are at risk of long-term morbidity with unpredictable clinical outcome. Recently, injective approach has gained more and more attention, and in particular the intratendinous injection with adipose-derived stromal vascular fraction. We report a case of an insertional Achilles tendinopathy in a high-level professional athlete, who was treated avoiding surgical treatment in favor of this innovative biological approach. Patient's satisfaction and return to play was prospectively evaluated for a period of 6 months of follow-up. An improvement of all functional scores was yet appreciated after 1 month from the treatment, with a crescent trend until the last 6-month follow-up. The patient was able to return to train after 34 days, and returned to match after 68 days, playing 20 minutes. She returned to the complete full game 72 days after treatment. However subsequent ultrasound and MRI evaluations failed to show any substantial changes in the characteristics of the lesion from the preoperative images. This case report opens a new window for the treatment of insertional Achilles tendinopathy in competitive athletes. The current outcome deserves further investigation with higher quality studies in order to confirm the validity of this fascinating therapeutic option.
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Affiliation(s)
- Mirco Lo Presti
- Physician, II Orthopaedic Clinic, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | | | - Giuseppe Agrò
- Physician, II Orthopaedic Clinic, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Cosimo Vasco
- Physician, II Orthopaedic Clinic, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Pierpaolo Zunarelli
- Physician, Education and Research Department, Isokinetic Medical Group, FIFA Medical Centre of Excellence, Bologna, Italy
| | - Stefano Zaffagnini
- Physician and Full Professor, II Orthopaedic Clinic, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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Khor BYC, Woodburn J, Newcombe L, Barn R. Plantar soft tissues and Achilles tendon thickness and stiffness in people with diabetes: a systematic review. J Foot Ankle Res 2021; 14:35. [PMID: 33910602 PMCID: PMC8080343 DOI: 10.1186/s13047-021-00475-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 04/15/2021] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Diabetes mellitus is associated with changes in soft tissue structure and function. However, the directionality of this change and the extent to which either tissue thickness or stiffness contributes to the pathogenesis of diabetes-related foot ulcerations is unclear. Hence, this systematic review aims to summarise the existing evidence for soft tissue structural differences in the feet of people with and without diabetes. METHODS In compliance with MOOSE and PRISMA guidelines, AMED, CINAHL, MEDLINE, ProQuest Health & Medical Collection, ProQuest Nursing & Allied Health Database, and Web of Science electronic databases were systematically searched for studies published from database inception until 1st October 2020 [Prospero CRD42020166614]. Reference lists of included studies were further screened. Methodological quality was appraised using a modified critical appraisal tool for quantitative studies developed by McMaster University. RESULTS A total of 35 non-randomised observational studies were suitable for inclusion. Within these, 20 studies evaluated plantar tissue thickness, 19 studies evaluated plantar tissue stiffness, 9 studies evaluated Achilles tendon thickness and 5 studies evaluated Achilles tendon stiffness outcomes. No significant differences in plantar tissue thickness were found between people with and without diabetes in 55% of studies (11/20), while significantly increased plantar tissue stiffness was found in people with diabetes in 47% of studies (9/19). Significantly increased Achilles tendon thickness was found in people with diabetes in 44% of studies (4/9), while no significant differences in Achilles tendon stiffness were found between people with and without diabetes in 60% of studies (3/5). CONCLUSIONS This systematic review found some evidence of soft tissue structural differences between people with and without diabetes. However, uncertainty remains whether these differences independently contribute to diabetes-related foot ulcerations. The heterogeneity of methodological approaches made it difficult to compare across studies and methodological quality was generally inadequate. High-quality studies using standardised and validated assessment techniques in well-defined populations are required to determine more fully the role of structural tissue properties in the pathogenesis of diabetes-related foot ulcerations.
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Affiliation(s)
- Benedictine Yen Chen Khor
- Department of Podiatry and Radiography, School of Health and Life Sciences, Glasgow Caledonian University, Glasgow, G4 0BA, Scotland, UK.
| | - James Woodburn
- Department of Podiatry and Radiography, School of Health and Life Sciences, Glasgow Caledonian University, Glasgow, G4 0BA, Scotland, UK
- School of Health Sciences and Social Work, Griffith University, Queensland, Australia
| | - Lisa Newcombe
- Department of Podiatry and Radiography, School of Health and Life Sciences, Glasgow Caledonian University, Glasgow, G4 0BA, Scotland, UK
| | - Ruth Barn
- Department of Podiatry and Radiography, School of Health and Life Sciences, Glasgow Caledonian University, Glasgow, G4 0BA, Scotland, UK
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Sleeswijk Visser TSO, van der Vlist AC, van Oosterom RF, van Veldhoven P, Verhaar JAN, de Vos RJ. Impact of chronic Achilles tendinopathy on health-related quality of life, work performance, healthcare utilisation and costs. BMJ Open Sport Exerc Med 2021; 7:e001023. [PMID: 33868707 PMCID: PMC8006822 DOI: 10.1136/bmjsem-2020-001023] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/17/2021] [Indexed: 12/12/2022] Open
Abstract
Objectives To evaluate the impact of Achilles tendinopathy (AT) on quality of life (QoL), work performance, healthcare utilisation and costs in adults with conservatively treated chronic midportion AT. Methods This cross-sectional survey-based study included 80 patients and took place in a sports medicine department of a large regional hospital in the Netherlands. Data were collected before any intervention was given. Primary outcome was the EuroQol questionnaire (EQ-5D). The EQ-5D expresses the percentage of moderate/major problems on the domains self-care, anxiety/depression, mobility, usual activities and pain/discomfort. Secondary outcomes were the number of previous healthcare visits, work performance during the period of symptoms and estimated annual direct medical and indirect costs per patient as a result of AT. Results All 80 patients completed the questionnaires. The EQ-5D scores were low for the domains self-care (1%) and anxiety/depression (20%), and high for the domains mobility (66%), usual activities (50%) and pain/discomfort (89%). Patients with AT mainly reported an impact on work productivity (38%). Work absenteeism due to AT was present in 9%. The total median (IQR) number of annual healthcare visits was 9 (3-11). The total mean (SD) estimated annual costs were €840 (1420) per patient with AT (mean (SD) US$991 (1675)). Conclusions This study shows the large impact of AT on QoL and work productivity. This study also provides new information about the socioeconomic impact of AT, which emphasises that this common and longstanding disease causes substantial costs. These findings stress the need for optimised treatment and improved preventive interventions for AT. Trial registration number NCT02996409.
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Affiliation(s)
- Tjerk S O Sleeswijk Visser
- Department of Orthopedic Surgery and Sports Medicine, Erasmus MC University Medical Centre, Rotterdam, Netherlands.,Department of Orthopedic Surgery, Leiden University Medical Centre, Leiden, Netherlands
| | - Arco C van der Vlist
- Department of Orthopedic Surgery and Sports Medicine, Erasmus MC University Medical Centre, Rotterdam, Netherlands
| | - Robert F van Oosterom
- Department of Sports Medicine, Haaglanden Medical Centre, Leidschendam, The Netherlands
| | - Peter van Veldhoven
- Department of Sports Medicine, Haaglanden Medical Centre, Leidschendam, The Netherlands
| | - Jan A N Verhaar
- Department of Orthopedic Surgery and Sports Medicine, Erasmus MC University Medical Centre, Rotterdam, Netherlands
| | - Robert-Jan de Vos
- Department of Orthopedic Surgery and Sports Medicine, Erasmus MC University Medical Centre, Rotterdam, Netherlands
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Bussin E, Cairns B, Gerschman T, Fredericson M, Bovard J, Scott A. Topical diclofenac vs placebo for the treatment of chronic Achilles tendinopathy: A randomized controlled clinical trial. PLoS One 2021; 16:e0247663. [PMID: 33661967 PMCID: PMC7932128 DOI: 10.1371/journal.pone.0247663] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 02/11/2021] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION The application of topical diclofenac has been suggested as a possible treatment for Achilles tendinopathy. Our aim was to answer the question, is topical diclofenac more effective than placebo for the treatment of Achilles tendinopathy?. METHODS 67 participants with persistent midportion or insertional Achilles tendinopathy were randomly assigned to receive a 4 week course of 10% topical diclofenac (n = 32) or placebo (n = 35). The a priori primary outcome measure was change in severity of Achilles tendinopathy (VISA-A score) at 4 and 12 weeks. Secondary outcome measures included numeric pain rating, and patient-reported change in symptoms using a 7 point scale, from substantially worse to substantially better. Pressure pain threshold (N) and transverse tendon stiffness (N/m) were measured over the site of maximum Achilles tendon pathology at baseline and 4 weeks. RESULTS There were no statistically or clinically significant differences between the diclofenac and placebo groups in any of the primary or secondary outcome measures at any timepoint. Average VISA-A score improved in both groups (p<0.0001), but the improvements were marginal: at 4 weeks, the improvements in VISA-A were 9 (SD 11) in the diclofenac group and 8 (SD 12) in the placebo group, and at 12 weeks the improvements were 9 (SD 16) and 11 (SD13) respectively-these average changes are smaller than the minimum clinically important difference of the VISA-A. CONCLUSION The regular application of topical diclofenac for Achilles tendinopathy over a 4 week period was not associated with superior clinical outcomes to that achieved with placebo.
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Affiliation(s)
- Erin Bussin
- Fortius Sports Medicine, Burnaby, British Columbia, Canada
| | - Brian Cairns
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, Canada
| | - Tommy Gerschman
- Department of Pediatrics, University of British Colombia, Vancouver, Canada
| | - Michael Fredericson
- Department of Orthpaedic Surgery, Stanford University, Stanford, California, United States of America
| | - Jim Bovard
- Department of Family Practice, University of British Columbia, Vancouver, Canada
| | - Alex Scott
- Department of Physical Therapy, University of British Columbia, Vancouver, Canada
- * E-mail:
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Flexor hallucis longus hypertrophy secondary to Achilles tendon tendinopathy: an MRI-based case-control study. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2021; 31:1387-1393. [PMID: 33555443 PMCID: PMC8448710 DOI: 10.1007/s00590-021-02891-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 01/26/2021] [Indexed: 12/27/2022]
Abstract
PURPOSE The purpose of this study was to outline an indirect sign of advanced Achilles tendinopathy on magnetic resonance imaging (MRI), based on the hypothesis that these patients would present with secondary hypertrophy of the flexor hallucis longus muscle (FHL). METHODS MRI scans of Achilles tendon were analyzed retrospectively in two cohorts. The study group consisted of consecutive patients presenting with clinical signs of Achilles tendinopathy and no previous surgeries, while the control group were patients that had an MRI due to other reasons and no signs of tendinopathy. Two parameters from two muscle bellies were measured and compared on axial MRI scans 4-5 cm above the ankle joint line at the level of greatest thickness: area and diameter of the triceps surae (TS) and of the FHL muscle. Ratios (FHL/TS) were calculated for area (Ar) and diameter (Dm) measurements. Interobserver agreement was analyzed. A receiver operating characteristic (ROC) curve was created for both ratios to assess potential cutoff points to differentiate between the groups. RESULTS A total of 60 patients for each study group were included. Both ratios Ar(FHL/TS) and Dm(FHL/TS) showed significant higher values in the tendinopathy group (p < 0.001). There were strong to very strong intraclass correlation coefficients (ICC = 0.75-0.93). A diameter ratio Dm (FHL/TS) of 2.0 or higher had a sensitivity of 49% and specificity of 90% for concomitant Achilles tendinopathy. CONCLUSION In our patient cohort, FHL hypertrophy was observed in patients with Achilles tendinopathy as a possible compensatory mechanism. Measuring a diameter ratio Dm(FHL/TS) of 2.0 or higher on an axial MRI, may be indicative as an indirect sign of functional deterioration of the Achilles tendon.
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Lakey E, Kumparatana P, Moon DK, Morales J, Anderson SE, Baldini T, Pereira H, Hunt KJ. Biomechanical Comparison of All-Soft Suture Anchor Single-Row vs Double-Row Bridging Construct for Insertional Achilles Tendinopathy. Foot Ankle Int 2021; 42:215-223. [PMID: 33030070 DOI: 10.1177/1071100720959023] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Two common operative fixation techniques for insertional Achilles tendinopathy are the use of all-soft suture anchors vs synthetic anchors with a suture bridge. Despite increasing emphasis on early postoperative mobilization, the biomechanical profile of these repairs is not currently known. We hypothesized that the biomechanical profiles of single-row all-soft suture anchor repairs would differ when compared to double-row suture bridge repairs. METHODS Achilles tendons were detached from their calcaneal insertions on 6 matched-pair, fresh-frozen cadaver through-knee amputation specimens. Group 1 underwent a single-row repair with all-soft suture anchors. Group 2 was repaired with a double-row bridging suture bridge construct. Achilles-calcaneal displacement was tracked while specimens were cyclically loaded from 10 to 100 N for 2000 cycles and then loaded to failure. Linear mixed models were used to analyze the independent effects of age, body mass index, tendon morphology, repair construct, and footprint size on clinical and ultimate failure loads, Achilles-calcaneal displacement, and mode of failure. RESULTS The suture bridge group was independently associated with an approximately 50-N increase in the load to clinical failure (defined as more than 5 mm tendon displacement). There was no difference in ultimate load to failure or tendon/anchor displacement between the 2 groups. CONCLUSION This cadaveric study found that a double-row synthetic bridge construct had less displacement during cyclic loading but was not able to carry more load before clinical failure when compared to a single-row suture anchor construct for the operative repair of insertional Achilles tendinopathy. CLINICAL RELEVANCE Our data suggest that double-row suture bridge constructs increase the load to clinical failure for operative repairs of insertional Achilles tendinopathy. It must be noted that these loads are well below what occurs during gait and the repair must be protected postoperatively without early mobilization. This study also identified several clinical factors that may help predict repair strength and inform further research.
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Affiliation(s)
- Eric Lakey
- Department of Orthopaedic Surgery, University of Colorado School of Medicine, Aurora, CO, USA
| | - Pam Kumparatana
- Department of Orthopaedic Surgery, University of Colorado School of Medicine, Aurora, CO, USA
| | - Daniel K Moon
- Department of Orthopaedic Surgery, University of Colorado School of Medicine, Aurora, CO, USA
| | - Joseph Morales
- Department of Orthopaedic Surgery, University of Colorado School of Medicine, Aurora, CO, USA
| | | | - Todd Baldini
- Department of Orthopaedic Surgery, University of Colorado School of Medicine, Aurora, CO, USA
| | - Hélder Pereira
- Orthopedic Surgery Department, Centro Hospitalar Póvoa de Varzim-Vila do Conde, Unidade da Póvoa de Varzim, Póvoa de Varzim, Portugal
| | - Kenneth J Hunt
- Department of Orthopaedic Surgery, University of Colorado School of Medicine, Aurora, CO, USA
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Yao W, Zhang Y, Zhang L, Zhou J, Zhang Y, Zheng X, Ding J. MRI features of and factors related to ankle injuries in asymptomatic amateur marathon runners. Skeletal Radiol 2021; 50:87-95. [PMID: 32632469 PMCID: PMC7677287 DOI: 10.1007/s00256-020-03530-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 06/22/2020] [Accepted: 06/23/2020] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To analyze the MRI manifestations of and factors related to ankle injuries in asymptomatic amateur marathon runners. MATERIALS AND METHODS A total of 113 amateur marathon runners without any ankle joint symptoms were recruited. Each participant was asked to complete a questionnaire at the beginning of the study and underwent MRI of the ankle. The MRI manifestations of ankle injuries were summarized, and binary logistic regression analysis was applied to analyze the factors related to ankle injuries. RESULTS The main MRI features were bone marrow edema-like signal intensity, peritendinous effusion, and partial lateral collateral ligament injury. Others included Achilles tendinopathy, cyst-like lesions, osteochondral lesions, and subcutaneous soft tissue edema. The risk factor for bone marrow edema-like signal intensity in amateur marathon runners was a rearfoot strike pattern (p = 0.028, OR = 1.172); the risk factors for peritendinous effusion were a higher weekly running distance (p = 0.013, OR = 1.685) and increased running years (p = 0.039, OR = 1.113), whereas a rearfoot strike pattern (p = 0.005, OR = 0.831) was a protective factor for peritendinous effusion; the risk factor for Achilles tendinopathy was increased age (p = 0.008, OR = 1.412); the risk factors for anterior talofibular ligament injury were a rearfoot strike pattern (p = 0.017, OR = 1.346) and higher weekly running distance (p = 0.022, OR = 1.171); and the factors for calcaneofibular ligament injury were a higher weekly running distance (p = 0.029, OR = 1.570) and rearfoot strike pattern (p = 0.035, OR = 1.463). CONCLUSION The main MRI features of asymptomatic amateur marathon runners are bone marrow edema-like signal intensity, peritendinous effusion, and partial lateral collateral ligament injury. In addition, increased age, increased running years, higher weekly running distance, and different foot strike patterns are risk factors for ankle injuries.
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Affiliation(s)
- Wanzhen Yao
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou, 310000 Zhejiang China
| | - Yanjing Zhang
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou, 310000 Zhejiang China
| | - Li Zhang
- Department of Radiology, The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, Zhejiang China
| | - Jing Zhou
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou, 310000 Zhejiang China
| | - Yi Zhang
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou, 310000 Zhejiang China
| | - Xiaozhong Zheng
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou, 310000 Zhejiang China
| | - Jianping Ding
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou, 310000 Zhejiang China
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Handsfield GG, Greiner J, Madl J, Rog-Zielinska EA, Hollville E, Vanwanseele B, Shim V. Achilles Subtendon Structure and Behavior as Evidenced From Tendon Imaging and Computational Modeling. Front Sports Act Living 2020; 2:70. [PMID: 33345061 PMCID: PMC7739789 DOI: 10.3389/fspor.2020.00070] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 05/19/2020] [Indexed: 11/22/2022] Open
Abstract
The Achilles tendon is the largest and strongest tendon in the human body and is essential for storing elastic energy and positioning the foot for walking and running. Recent research into Achilles tendon anatomy and mechanics has revealed the importance of the Achilles subtendons, which are unique and semi-independent structures arising from each of the three muscular heads of the triceps surae. Of particular importance is the ability for the subtendons to slide, the role that this has in healthy tendons, and the alteration of this property in aging and disease. In this work, we discuss technical approaches that have led to the current understanding of Achilles subtendons, particularly imaging and computational modeling. We introduce a 3D geometrical model of the Achilles subtendons, built from dual-echo UTE MRI. We revisit and discuss computational models of Achilles subtendon twisting suggesting that optimal twist reduces both rupture loads and stress concentrations by distributing stresses. Second harmonic generation imaging shows collagenous subtendons within a rabbit Achilles tendon; a clear absence of signal between the subtendons indicates an inter-subtendon region on the order of 30 μm in our rabbit animal model. Entry of wheat germ agglutinin in both the inter-fascicular and the inter-subtendon regions suggests a glycoprotein-containing inter-subtendon matrix which may facilitate low friction sliding of the subtendons in healthy mammals. Lastly, we present a new computational model coupled with human exercise trials to demonstrate the magnitude of Achilles subtendon sliding which occurs during rehabilitation exercises for Achilles tendinopathy, and shows that specific exercise can maximize subtendon sliding and interface strains, without maximizing subtendon strains. This work demonstrates the value of imaging and computational modeling for probing tendon structure-function relationships and may serve to inform and develop treatments for Achilles tendinopathy.
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Affiliation(s)
| | - Joachim Greiner
- Institute for Experimental Cardiovascular Medicine, University Heart Center Freiburg Bad Krozingen, Bad Krozingen, Germany.,Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Josef Madl
- Institute for Experimental Cardiovascular Medicine, University Heart Center Freiburg Bad Krozingen, Bad Krozingen, Germany.,Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Eva A Rog-Zielinska
- Institute for Experimental Cardiovascular Medicine, University Heart Center Freiburg Bad Krozingen, Bad Krozingen, Germany.,Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Enzo Hollville
- Human Movement Biomechanics Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
| | - Benedicte Vanwanseele
- Human Movement Biomechanics Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
| | - Vickie Shim
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
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Edwards S, Sivan M. High volume distension injection (HVDI) for chronic mid-portion Achilles tendinopathy: A service evaluation of clinical outcomes. JOURNAL OF ORTHOPAEDICS, TRAUMA AND REHABILITATION 2020. [DOI: 10.1177/2210491720979321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Purpose: High Volume Distension Injection (HVDI) is a treatment adjunct in chronic mid-portion Achilles tendinopathy. This study analysed whether HVDI is safe and effective in an outpatient clinic setting. Methods: Retrospective service evaluation of 18 participants over 18 months. Ultrasound-guided saline, corticosteroid and bupivacaine was injected to disrupt vasculo-neural ingrowth, with post-procedure eccentric exercises. Mean follow-up was 8 weeks. Outcomes used were Numeric rating Scale (NRS) of pain, tendon thickness and Modified Ohberg score (MOS) of neovascularisation measured on Ultrasound and Doppler imaging. Results: Mean reduction in NRS was 5.30 ± 2.53 ( P < 0.001). Mean tendon thickness reduction was 0.21 ± 0.17 cm ( P < 0.001). Median MOS improved from 2.00 ± 2.00 to 1.00 ± 3.00 ( P = 0.009). No complications occurred. 11 participants had successful primary HVDI, 3 responded to a second injection. Two non-responders were referred for surgery and two referred for alternative therapy by patient preference. Conclusion: Significant reduction in pain, tendon thickness and neovascularity was observed in 78% of patients. Recurrence in 39%. HVDI with eccentric training is safe and effective intervention in outpatient clinic setting.
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Affiliation(s)
- Samuel Edwards
- Faculty of Biological Sciences, University of Leeds, Leeds, UK
| | - Manoj Sivan
- Leeds Institute of Rheumatology and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- Musculoskeletal Service, Leeds Community Healthcare NHS Trust, UK
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Tarantino D, Palermi S, Sirico F, Corrado B. Achilles Tendon Rupture: Mechanisms of Injury, Principles of Rehabilitation and Return to Play. J Funct Morphol Kinesiol 2020; 5:jfmk5040095. [PMID: 33467310 PMCID: PMC7804867 DOI: 10.3390/jfmk5040095] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 12/09/2020] [Accepted: 12/15/2020] [Indexed: 12/16/2022] Open
Abstract
The Achilles tendon is the thickest, strongest and largest tendon in the human body, but despite its size and tensile strength, it frequently gets injured. Achilles tendon ruptures (ATRs) mainly occur during sports activities, and their incidence has increased over the last few decades. Achilles tendon tears necessitate a prolonged recovery time, sometimes leaving long-term functional limitations. Treatment options include conservative treatment and surgical repair. There is no consensus on which is the best treatment for ATRs, and their management is still controversial. Limited scientific evidence is available for optimized rehabilitation regimen and on the course of recovery after ATRs. Furthermore, there are no universally accepted outcomes regarding the return to play (RTP) process. Therefore, the aim of this narrative review is to give an insight into the mechanism of injuries of an ATR, related principles of rehabilitation, and RTP.
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Ryan D, O’Sullivan C. Outcome measures used in intervention studies for the rehabilitation of mid‐portion achilles tendinopathy; a scoping review. TRANSLATIONAL SPORTS MEDICINE 2020. [DOI: 10.1002/tsm2.213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Deirdre Ryan
- Physiotherapy and Sports Science UCD School of Public Health Belfield, Dublin 4 Ireland
| | - Cliona O’Sullivan
- Physiotherapy and Sports Science UCD School of Public Health Belfield, Dublin 4 Ireland
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Patient reported outcomes and ankle plantarflexor muscle performance following gastrocnemius recession for Achilles tendinopathy: A prospective case-control study. Foot Ankle Surg 2020; 26:771-776. [PMID: 31727534 DOI: 10.1016/j.fas.2019.10.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 07/04/2019] [Accepted: 10/05/2019] [Indexed: 02/04/2023]
Abstract
BACKGROUND Prospective studies to guide the application of a gastrocnemius recession for Achilles tendinopathy are limited. Our aim was to prospectively evaluate patient reported outcomes and muscle performance. METHODS Patients with unilateral recalcitrant Achilles tendinopathy who received an isolated gastrocnemius recession (n=8) and a healthy control group (n=8) were included. Patient reported outcomes, ankle power during walking and stair ascent, and the heel rise limb symmetry index (total work) were collected. RESULTS Improvements in pain and self-reported function were observed (six months and two years). Sport participation scores reached 92% by two years. Patients demonstrated lower ankle power during stair ascent and decreased limb symmetry during heel rise six months following treatment (p≤.02). CONCLUSIONS Study findings regarding long-term improvements in patient pain, self-reported function and sport participation, and early preservation of ankle function during walking, can help refine patient selection, anticipated outcomes, and rehabilitation strategies.
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Nordio A, Chan JJ, Guzman JZ, Hasija R, Vulcano E. Percutaneous Zadek osteotomy for the treatment of insertional Achilles tendinopathy. Foot Ankle Surg 2020; 26:818-821. [PMID: 31784097 DOI: 10.1016/j.fas.2019.10.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 10/22/2019] [Accepted: 10/26/2019] [Indexed: 02/04/2023]
Abstract
BACKGROUND Insertional Achilles tendinopathy (IAT) is a challenging common lower extremity disorder, despite several treatment options described in literature. Open dorsal closing wedge calcaneal osteotomy or Zadek Osteotomy (ZO), for the treatment of the IAT has good clinical results but a high rate of postoperative complications. The purpose of this study is to describe percutaneous ZO for the treatment of the IAT and to evaluate its impact on the clinical and functional postoperative outcomes. METHODS Twenty-six consecutive patients presenting with unilateral IAT refractory to nonoperative measures were treated with percutaneous ZO. Visual Analogue Scale (VAS) and Foot Function Index Score (FFI) were recorded preoperatively and at final follow-up visit (12±3) months. Postoperative complications, satisfaction, and relief of the pain were also recorded. RESULTS The percutaneous ZO showed a significant improvement (p<0.0001) in preoperative to postoperative FFI (from 65±9 to 8±12) and VAS (from 9±1 to 1±2). Two postoperative complications (8%) were observed: a case of symptomatic non-union and hardware pain, both in healthy patients. The overall rate of satisfaction after surgery was (92%). The relief from pain was achieved after an average period of 12 weeks. CONCLUSIONS ZO is a safe and effective procedure for the treatment of IAT. The use of a minimally invasive surgical approach is associated with excellent pain reduction (VAS score) and improved clinical function (FFI score). When compared to the open surgical approach, the percutaneous ZO may decrease recovery time and postoperative complications. LEVEL OF EVIDENCE III, retrospective case series.
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Affiliation(s)
- Andrea Nordio
- Department of Medical Surgical and Health Sciences of Trieste University, Orthopaedics and Traumatology Unit, Cattinara Hospital-ASUITS, Strada Di Fiume 447, Trieste, Italy.
| | - Jimmy J Chan
- Leni and Peter W. May Department of Orthopaedic Surgery, Icahn School of Medicine at Mount Sinai, 5 E 98th St, 9th Fl, New York, NY, 10029, United States
| | - Javier Z Guzman
- Leni and Peter W. May Department of Orthopaedic Surgery, Icahn School of Medicine at Mount Sinai, 5 E 98th St, 9th Fl, New York, NY, 10029, United States
| | - Rohit Hasija
- Leni and Peter W. May Department of Orthopaedic Surgery, Icahn School of Medicine at Mount Sinai, 5 E 98th St, 9th Fl, New York, NY, 10029, United States
| | - Ettore Vulcano
- Leni and Peter W. May Department of Orthopaedic Surgery, Icahn School of Medicine at Mount Sinai, 5 E 98th St, 9th Fl, New York, NY, 10029, United States; Foot and Ankle West Hospital Mount Sinai, NY, United States
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