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Arya N, Sasun A, Burile G, Harjpal P, Kovela RK. From Trauma to Recovery: A Comprehensive Management of Achilles Tendon Injury in a Young Female. Cureus 2024; 16:e52286. [PMID: 38357068 PMCID: PMC10865149 DOI: 10.7759/cureus.52286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 01/15/2024] [Indexed: 02/16/2024] Open
Abstract
The incidence of the Achilles tendon getting injured has recently increased by 18 in 100,000. Compared to non-surgical treatment, surgical results are superior. The Achilles tendon repaired with surgery has a re-rupture rate of only 5%, while if treated non-operatively, it has a rupture rate of 40%. This case report analyses the traumatic Achilles tendon rupture and subsequent surgical repair in a young woman. In this case study, a 19-year-old female patient's severe Achilles tendon injury was successfully managed by integrating prompt surgical intervention and structure. After rehabilitation, the patient's range of motion (ROM), muscle strength, and gait patterns all significantly improved. Scores on the Lower Extremity Functional Scale (LEFS) and the Dynamic Gait Index (DGI) both significantly improved. This case study reiterates the significance of an integrated healthcare strategy for Achilles tendon injuries. An immediate surgical procedure followed by a specific rehabilitation programme accelerates healing and the return to optimal function. The results emphasize the critical role of physical therapy in assisting surgical interventions and underline the necessity of comprehensive patient care in the treatment of complex orthopaedic problems.
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Affiliation(s)
- Neha Arya
- Neurophysiotherapy, Ravi Nair Physiotherapy College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Anam Sasun
- Neurophysiotherapy, Ravi Nair Physiotherapy College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Ghanishtha Burile
- Neurophysiotherapy, Ravi Nair Physiotherapy College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Pallavi Harjpal
- Neurophysiotherapy, Ravi Nair Physiotherapy College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Rakesh K Kovela
- Neurophysiotherapy, Ravi Nair Physiotherapy College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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Jeon J, Lee KZ, Zhang X, Jaeger J, Kim E, Li J, Belaygorod L, Arif B, Genin GM, Foston MB, Zayed MA, Zhang F. Genetically Engineered Protein-Based Bioadhesives with Programmable Material Properties. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 38039085 DOI: 10.1021/acsami.3c12919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2023]
Abstract
Silk-amyloid-mussel foot protein (SAM) hydrogels made from recombinant fusion proteins containing β-amyloid peptide, spider silk domain, and mussel foot protein (Mfp) are attractive bioadhesives as they display a unique combination of tunability, biocompatibility, bioabsorbability, strong cohesion, and underwater adhesion to a wide range of biological surfaces. To design tunable SAM hydrogels for tailored surgical repair applications, an understanding of the relationships between protein sequence and hydrogel properties is imperative. Here, we fabricated SAM hydrogels using fusion proteins of varying lengths of silk-amyloid repeats and Mfps to characterize their structure and properties. We found that increasing silk-amyloid repeats enhanced the hydrogel's β-sheet content (r = 0.74), leading to higher cohesive strength and toughness. Additionally, increasing the Mfp length beyond the half-length of the full Mfp sequence (1/2 Mfp) decreased the β-sheet content (r = -0.47), but increased hydrogel surface adhesion. Among different variants, the hydrogel made of 16xKLV-2Mfp displayed a high ultimate strength of 3.0 ± 0.3 MPa, an ultimate strain of 664 ± 119%, and an attractive underwater adhesivity of 416 ± 20 kPa to porcine skin. Collectively, the sequence-structure-property relationships learned from this study will be useful to guide the design of future protein adhesives with tunable characteristics for tailored surgical applications.
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Affiliation(s)
- Juya Jeon
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, Missouri 63130, United States
| | - Kok Zhi Lee
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, Missouri 63130, United States
| | - Xiaolu Zhang
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, Missouri 63130, United States
| | - John Jaeger
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, Missouri 63130, United States
| | - Eugene Kim
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, Missouri 63130, United States
| | - Jingyao Li
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, Missouri 63130, United States
| | - Larisa Belaygorod
- Department of Surgery, Section of Vascular Surgery, Washington University of Medicine in St. Louis, 660 South Euclid Avenue, Saint Louis, Missouri 63110, United States
| | - Batool Arif
- Department of Surgery, Section of Vascular Surgery, Washington University of Medicine in St. Louis, 660 South Euclid Avenue, Saint Louis, Missouri 63110, United States
| | - Guy M Genin
- NSF Science and Technology Center for Engineering MechanoBiology, Department of Mechanical Engineering & Materials Science, Washington University in St. Louis, One Brookings Drive, Saint Louis, Missouri 63130, United States
- Institute of Materials Science and Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, Missouri 63130, United States
- Division of Biological & Biomedical Sciences, Washington University in St. Louis, One Brookings Drive, Saint Louis, Missouri 63130, United States
| | - Marcus B Foston
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, Missouri 63130, United States
| | - Mohamed A Zayed
- Department of Surgery, Section of Vascular Surgery, Washington University of Medicine in St. Louis, 660 South Euclid Avenue, Saint Louis, Missouri 63110, United States
- Department of Radiology, Washington University of Medicine in St. Louis, 660 South Euclid Avenue, Saint Louis, Missouri 63110, United States
- Division of Molecular Cell Biology, Washington University of Medicine in St. Louis, 660 South Euclid Avenue, Saint Louis, Missouri 63110, United States
- Division of Molecular Cell Biology, Washington University of Medicine in St. Louis, 660 South Euclid Avenue, Saint Louis, Missouri 63110, United States
- Veterans Affairs St. Louis Health Care System, 915 North Grand Boulevard, St. Louis, Missouri 63106, United States
| | - Fuzhong Zhang
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, Missouri 63130, United States
- Institute of Materials Science and Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, Missouri 63130, United States
- Division of Biological & Biomedical Sciences, Washington University in St. Louis, One Brookings Drive, Saint Louis, Missouri 63130, United States
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Chuckpaiwong B, Glisson RR, Usuelli FG, Madi NS, Easley ME. Biomechanical Comparison of Nonlocked Minimally Invasive and Locked Open Achilles Tendon Simulated Rupture Repairs. Foot Ankle Int 2023; 44:913-921. [PMID: 37329183 DOI: 10.1177/10711007231178819] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
BACKGROUND Open repair of Achilles tendon ruptures is associated with a risk of infection and other wound complications. Although percutaneous repairs reduce these complications, they may increase the risk of nerve injury. This study was designed to determine whether a percutaneous nonlocking repair can approach the gapping resistance offered by a standard open repair under conditions approximating typical postoperative physiotherapy. METHODS Ten pairs of cadavers Achilles tendons were transected in situ 5 cm above the insertion. One tendon from each pair was repaired using an open 4-strand Krackow locking loop, and the contralateral tendon was repaired with the Achillon system using the same suture material. Displacement transducers were attached to the medial, lateral, anterior, and posterior aspects of the tendon, spanning the repair. Each tendon underwent 1000 tensile loading cycles to 86.5 N, simulating passive ankle range-of-motion physiotherapy. Gapping was documented on the 1st, 50th, 100th, 500th, and 1000th cycles. The ultimate tensile strength of each repaired tendon was then measured by distracting until gross failure occurred. RESULTS Gapping of the percutaneous repairs exceeded that of conventional open repairs on the first, 500th, and 1000th load cycles. All 10 conventionally repaired tendons withstood 1000 load cycles without gross failure, but 4 of 10 percutaneous minimally invasive repairs failed, one on the 9th load cycle and the others between the 100th and 500th cycles. On average, tendons repaired with the open technique withstood 66% greater tensile load in failure testing than those repaired with the percutaneous technique. CONCLUSION Open Krackow Achilles tendon repairs may better withstand more aggressive postoperative physiotherapy than nonlocked percutaneous repairs. CLINICAL RELEVANCE The study suggests that surgeons should consider locking suture approaches to avoid loss of repair integrity with early motion.
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Affiliation(s)
- Bavornrit Chuckpaiwong
- Department of Orthopaedic Surgery, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Richard R Glisson
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, USA
| | | | - Naji S Madi
- Department of Orthopaedic Surgery, West Virginia University, Morgantown, WV, USA
| | - Mark E Easley
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, USA
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Massen FK, Shoap S, Vosseller JT, Fan W, Usseglio J, Boecker W, Baumbach SF, Polzer H. Rehabilitation following operative treatment of acute Achilles tendon ruptures: a systematic review and meta-analysis. EFORT Open Rev 2022; 7:680-691. [PMID: 36287109 PMCID: PMC9619394 DOI: 10.1530/eor-22-0072] [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] [Indexed: 11/30/2022] Open
Abstract
Purpose Methods Results Conclusion
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Affiliation(s)
- Felix Kurt Massen
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Munich, Germany,Correspondence should be addressed to F K Massen;
| | - Seth Shoap
- Trauma Training Center, Department of Orthopaedic Surgery, Columbia University Medical Center, New York, New York, USA
| | - J Turner Vosseller
- Department of Orthopaedic Surgery, Columbia University Medical Center, New York, New York, USA
| | - Weija Fan
- Mailman School of Public Health, Department of Biostatistics, Columbia University, New York, New York, USA
| | - John Usseglio
- Augustus C. Long Health Sciences Library, Columbia University Irving Medical Center, New York, New York, USA
| | - Wolfgang Boecker
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Munich, Germany
| | - Sebastian Felix Baumbach
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Munich, Germany
| | - Hans Polzer
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Munich, Germany
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Zhu H, Xiao H, Lu G, Fang S. Effect of Transdermal Fentanyl Patch Combined with Enhanced Recovery after Surgery on the Curative Effect and Analgesic Effect of Liver Cancer. BIOMED RESEARCH INTERNATIONAL 2022; 2022:9722458. [PMID: 35924273 PMCID: PMC9343188 DOI: 10.1155/2022/9722458] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/12/2022] [Accepted: 04/18/2022] [Indexed: 11/18/2022]
Abstract
Its goal was to see how a transdermal fentanyl patch combined with accelerated recovery after surgery (ERAS) affected the treatment efficacy and analgesic effect of liver cancer, as well as to help patients with liver cancer choose the right analgesic treatment and nursing mode. 150 patients with liver cancer were divided into group A (transdermal fentanyl patch), group B (ERAS), and group C (transdermal fentanyl patch combined with ERAS). Patients in the three groups were compared in terms of pain, survival, psychological status, adverse responses, postoperative recovery, and patient satisfaction. The results showed that under different treatment and nursing methods, the number of patients with mild cancer pain in the three groups was increased, especially the number of patients with mild cancer pain in group C (P < 0.05). Besides, the quality of life score of patients in each group was decreased. Patients who received the combination analgesia had a significantly higher quality of life than those who received simply a transdermal fentanyl patch or ERAS (P < 0.05). The scores of both the Hamilton anxiety scale (HAMA) and Hamilton depression rating scale (HAMD) of patients with the combined analgesia were decreased signally (P < 0.05). There were few patients with combined analgesia who had adverse reactions (P < 0.05). After surgery, the time of the first anal exhaust, first defecation, and first ambulation in group C were shorter than those in the other two groups (P < 0.05). To summarize, combining the two techniques aided in the recovery of gastrointestinal function as well as the physical recovery of patients following surgery. Furthermore, combining the two approaches produced a clear analgesic impact, which could improve patients' quality of life while also having a favorable clinical adoption effect.
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Affiliation(s)
- Hengmei Zhu
- Special Needs Diagnosis and Treatment Department, The Third Affiliated Hospital of Naval Military Medical University, Shanghai, 200438 Shanghai, China
| | - Hongmei Xiao
- Operating Room of Department of Anesthesiology, The Third Affiliated Hospital of Naval Medical University, Shanghai, 200438 Shanghai, China
| | - Guihua Lu
- Hematology Department, The First Affiliated Hospital of PLA Navy Medical University, Shanghai, 200438 Shanghai, China
| | - Shuheng Fang
- Operating Room of Department of Anesthesiology, The Third Affiliated Hospital of Naval Medical University, Shanghai, 200438 Shanghai, China
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Abdelatif NMN, Batista JP. Endoscopic Flexor Hallucis Longus Transfer for the Management of Acute Achilles Tendon Ruptures in Professional Soccer Players. Foot Ankle Int 2022; 43:164-175. [PMID: 34558318 DOI: 10.1177/10711007211036439] [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: 02/01/2023]
Abstract
BACKGROUND Acute Achilles tendon ruptures (AATRs) that occur in athletes can be a career-ending injury. The aim of this study was to describe return to play and clinical outcomes of isolated endoscopic flexor hallucis longus (FHL) transfer in active soccer players with AATR. METHODS Twenty-seven active male soccer players who underwent endoscopically assisted FHL tendon transfer for acute Achilles tendon ruptures were included in this study. Follow up was 46.2 (±10.9) months after surgery. Return to play criteria and clinical outcome measures were evaluated. RESULTS All players returned to playing professional competitive soccer games. Return to active team training was at a mean of 5.8 (±1.1) months postoperatively. However, return to active competitive match play occurred at a mean of 8.3 (±1.4) months. Twenty-two players (82%) were able to return to their preinjury levels and performances and resumed their professional careers at the same soccer club as their preinjury state. One player (3.7%) shifted his career to professional indoor soccer. At 26 months postoperatively, the mean Tegner activity scale score was 9.7 (±0.4), the mean Achilles tendon total rupture score was 99 (±2), and the mean American Orthopaedic Foot & Ankle Society ankle-hindfoot score was 99 (±3). No patients reported any great toe complaints or symptomatic deficits of flexion strength. CONCLUSION The current study demonstrated satisfactory and comparable return to play criteria and clinical results with minimal complications when using an advanced endoscopically assisted technique involving FHL tendon transfer to treat acute Achilles tendon ruptures in this specific subset of patient cohort. LEVEL OF EVIDENCE Level II, prospective cohort case series study.
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Affiliation(s)
| | - Jorge Pablo Batista
- Head Ankle and Knee Section, Orthopaedics Department, Centro Artroscópico Jorge Batista SA, Ciudad Autónoma de Buenos Aires (CABA), CP, Argentina.,Department of Sport Medicine, Club Atlético Boca Juniors, Buenos Aires, Argentina
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7
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Baumbach SF, Polzer H. [43/m-sudden "blow" in the heel area : Preparation for the medical specialist examination-Part 26]. Unfallchirurg 2021; 124:64-70. [PMID: 33006631 DOI: 10.1007/s00113-020-00881-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Sebastian Felix Baumbach
- Klinik für Allgemeine, Unfall- und Wiederherstellungschirurgie, Klinikum der Universität München, LMU München, Nussbaumstr. 20, 80336, München, Deutschland.
| | - Hans Polzer
- Klinik für Allgemeine, Unfall- und Wiederherstellungschirurgie, Klinikum der Universität München, LMU München, Nussbaumstr. 20, 80336, München, Deutschland
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8
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Batista JP, Abdelatif NMN, Del Vecchio JJ, Diniz P, Pereira H. Endoscopic Flexor Hallucis Longus Transfer for the Management of Acute Achilles Tendon Ruptures: A Prospective Case Series Report With a Minimum of 18 Months' Follow-Up. J Foot Ankle Surg 2021; 59:927-937. [PMID: 32527698 DOI: 10.1053/j.jfas.2019.12.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 12/18/2019] [Accepted: 12/22/2019] [Indexed: 02/03/2023]
Abstract
Acute Achilles tendon rupture can be treated either surgically or nonsurgically. The flexor hallucis longus (FHL) has been used successfully in patients with large chronic Achilles tendon defects. The aim of this study was to describe the clinical outcomes of isolated endoscopic FHL transfer in patients with acute Achilles tendon ruptures at a minimum follow-up of 18 months. Fifty-six male patients with an average age of 36.3 years who underwent endoscopic FHL transfer as a treatment for acute Achilles tendon ruptures were included. Follow-up was for a mean (± standard deviation) of 27.5 ± 7.29 months. At 18 months postoperatively, the Achilles tendon total rupture score mean was 95 ± 4.26, and the American Orthopaedic Foot and Ankle Society score was a mean of 96.4 ± 4.31. The median value for FHL tendon dynamometry on the surgical side was 95.72 (range 70.1 to 142), and 100.7 (range 68 to 161) for the nonoperated side. Mean ankle plantarflexion strength at 18 months was 19.19 ± 2.55 kg • m compared with the uninjured side of 19.27 ± 2.16 kg • m. Relative Achilles tendon resting angle showed a mean of -0.25° ± 2.43°. Magnetic resonance imaging performed at a minimum of 18 months postoperatively showed a homogeneous continuous Achilles tendon signal for 43 patients and heterogeneous signal intensity in 13 patients (23.21%). No patients reported any great toe complaints or symptomatic deficits of flexion strength. No neurovascular or skin complications were encountered. The current study demonstrated satisfactory and comparable results with minimal complications when using the endoscopic FHL tendon transfer in surgical management of acute Achilles tendon ruptures, compared with the currently used methods.
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Affiliation(s)
- Jorge Pablo Batista
- Head, Ankle and Knee Section, Orthopaedics Department, Centro Artroscópico Jorge Batista SA, Buenos Aires, Argentina; Head, Soccer Medical Department, Department of Sport Medicine, Club Atlético Boca Juniors, Buenos Aires, Argentina
| | | | - Jorge Javier Del Vecchio
- Head, Foot and Ankle Section, Orthopaedics Department, Fundación Favaloro. Hospital Universitario, Buenos Aires, Argentina; Professor, Department of Kinesiology and Physiatry, Universidad Favaloro, Buenos Aires, Argentina
| | - Pedro Diniz
- Orthopaedic Surgeon, Hospital de Sant'Ana, Parede, Portugal; PhD Student, Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Portugal
| | - Helder Pereira
- Orthopedic Surgeon, Orthopedic Department of Póvoa de Varzim, Ripoll y De Prado Sports Clinic, Murcia-Madrid, Spain; Orthopedic Surgeon, FIFA Medical Centre of Excellence; ICVS/3B's, PT Government Associate Laboratory, Porto, Portugal; Orthopedic Surgeon, ICVS/3B's, PT Government Associate Laboratory - Minho University, Braga, Portugal
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Naldo J, Agnew P, Brucato M, Dayton P, Shane A. ACFAS Clinical Consensus Statement: Acute Achilles Tendon Pathology. J Foot Ankle Surg 2021; 60:93-101. [PMID: 33199168 DOI: 10.1053/j.jfas.2020.02.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 02/29/2020] [Indexed: 02/03/2023]
Abstract
Injuries to the Achilles tendon are a challenge to the foot and ankle surgeon. In recent years, research has led to a relative change in the way that many surgeons view acute Achilles tendon rupture. In an effort to fully evaluate these trends, as well as to evaluate all aspects of care for acute Achilles tendon rupture, the American College of Foot and Ankle Surgeons convened a panel of experts to create a clinical consensus statement to address selected aspects of care of the acute Achilles tendon injury.
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Affiliation(s)
- Jason Naldo
- Chairperson, ACFAS Acute Achilles Tendon Pathology Clinical Consensus Statement, Chicago, IL; Assistant Professor, Department of Orthopaedics, Virginia Tech Carilion School of Medicine, Roanoke, VA; Foot and Ankle Surgeon, Institute for Orthopaedics and Neurosciences, Carilion Clinic, Roanoke, VA.
| | - Patrick Agnew
- Director of Podiatric Medical and Surgical Education, Associate Professor, Eastern Virginia Medical School, Norfolk, VA
| | | | - Paul Dayton
- Private Practice, Foot & Ankle Center of Iowa, Ankeny, IA
| | - Amber Shane
- Chair, Department of Podiatric Surgery, Advent Health System, Orlando, FL; Faculty, Advent Health East Orlando Podiatric Surgical Residency, Orlando, FL
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Morimoto S, Iseki T, Nakayama H, Shimomura K, Nishikawa T, Nakamura N, Tachibana T. Return to the original sport at only 3 months after an Achilles tendon rupture by a combination of intra-tissue injection of freeze-dried platelet-derived factor concentrate and excessively early rehabilitation after operative treatment in a male basketball player: A case report. Regen Ther 2021; 18:112-116. [PMID: 34141835 PMCID: PMC8178092 DOI: 10.1016/j.reth.2021.05.002] [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: 02/22/2021] [Revised: 04/13/2021] [Accepted: 05/15/2021] [Indexed: 12/12/2022] Open
Abstract
Background Achilles tendon rupture is one of the most common serious injuries in athletes. Various studies to accelerate the healing process of the Achilles tendon have been performed as it takes a longer time to repair the tissue compared to other tendons. Here, we report a case of an acute Achilles tendon rupture in a male basketball player treated by a combination of an intra-tissue injection of freeze-dried platelet-derived factor concentrate, which included a platelet-derived growth factor with an early rehabilitation protocol after the operative treatment to facilitate the biological healing of the injured tendon tissue. To the best of our knowledge, this case is the first instance that enabled the athlete to return to original sport activity at only 3-months after the injury. Case report A 23-year-old male basketball player who belonged to a university basketball team sustained an Achilles tendon rupture during running in a training match. The remaining time period until the final tournament of the university league as a senior player was only 3 months. The patient received a combination of an intra-tissue injection of freeze-dried platelet-derived factor concentrate and early rehabilitation protocol after operative treatment. Surgery was performed 4 days after the injury and the early rehabilitation protocols were applied postoperatively. A freeze-dried platelet-derived factor concentrate was injected into the ruptured site of the Achilles tendon under ultrasound guide at 4 weeks postoperatively. The patient could return to play at the pre-injury level without any symptoms and disfunctions at 3 months after surgery. At two years postoperatively, the patient could play basketball without symptoms or rerupture. Conclusions We reported a case of an Achilles tendon rupture which was treated by a combination of intra-tissue injection of freeze-dried platelet-derived factor concentrate and an early rehabilitation protocol after the operative treatment. The patient could return to play basketball at the pre-injury activity level at only 3-months after the injury, suggesting that the role of applying excessively early rehabilitation of mechanical loading could facilitate tendon tissue healing when combined with an intra-tissue injection of freeze-dried platelet-derived factor concentrate. FD-PFC has rich growth factors such as PDGF-BB, which is a part of the PDGF growth family. An achilles tendon rupture was treated by a combination of injection of FD-PFC and excessively postoperative rehabilitation. The patient could return to play basketball at the pre-injury activity level at only 3-months after the injury.
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Key Words
- ATRs, Achilles tendon ruptures
- Achilles tendon rupture
- Early rehabilitation
- FD-PFC, Freeze-dried platelet-derived factor concentrate
- Freeze-dried platelet-derived factor concentrate
- IGF, Insulin growth factor
- MRI, Magnetic resonance imaging
- Operative treatment
- PDGF, Platelet-derived growth factor
- PRP, Plate-rich plasma
- Platelet-derived growth factor
- Platelet-rich plasma
- T2-STIR, T2 weighted short tau inversion recovery
- TGF-β, Transforming growth factor-β
- VEGF, Vascular endothelial growth factor
- b-FGF, Basic fibroblastic growth factor
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Affiliation(s)
- Shota Morimoto
- Department of Orthopaedic Surgery, Hyogo College of Medicine, 1-1, Mukogawa-cho, Nishinomiya City, Hyogo, 663-8501, Japan
| | - Tomoya Iseki
- Department of Orthopaedic Surgery, Hyogo College of Medicine, 1-1, Mukogawa-cho, Nishinomiya City, Hyogo, 663-8501, Japan
| | - Hiroshi Nakayama
- Department of Orthopaedic Surgery, Hyogo College of Medicine, 1-1, Mukogawa-cho, Nishinomiya City, Hyogo, 663-8501, Japan
| | - Kazunori Shimomura
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Tetsuo Nishikawa
- Nishikawa Orthopaedics and Rehabilitation Clinic, 1-1-4, Souhon-machi, Amagasaki City, Hyogo, 661-0031, Japan
| | - Norimasa Nakamura
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, Osaka, Japan.,Institute for Medical Science in Sports, Osaka Health Science University, 1-9-27, Tenma, Kita-ku, Osaka City, Osaka, 530-0043, Japan.,Global Centre for Medical Engineering and Informatics, Osaka University, 2-2, Yamadaoka, Suita City, Osaka, 565-0871, Japan
| | - Toshiya Tachibana
- Department of Orthopaedic Surgery, Hyogo College of Medicine, 1-1, Mukogawa-cho, Nishinomiya City, Hyogo, 663-8501, Japan
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11
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Hidd SMCM, Tim CR, Dutra EDF, Maia ALM, Assis L, Ferreira RS, Barraviera B, Silva JF, Amaral MM. Fibrin biopolymer sealant and aquatic exercise association for calcaneal tendon repair. Acta Cir Bras 2021; 36:e360407. [PMID: 34037082 PMCID: PMC8148814 DOI: 10.1590/acb360407] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/21/2021] [Accepted: 03/19/2021] [Indexed: 01/19/2023] Open
Abstract
PURPOSE The aim of this work was to analyze the effect of fibrin biopolymer sealant (FS) associated or not to aquatic exercise (AE) on the calcaneal tendon repair. METHODS Forty-four female Wistar rats were randomly divided into four experimental groups: Lesion control (L), Lesion and FS (LS), Lesion and AE (LE) and Lesion and FS associated to AE (LSE). The edema volume (EV), collagen ratio, and histopathological analysis were evaluated after 7, 14, and 21 days of partial tendon transection. RESULTS The EV was statistically reduced for all treatment groups after 7 and 21 days when compared to L group. The LS and LSE had the highest EV reduction after 21 days of treatment. The FS group didn't induce tissue necrosis or infections on the histopathological analysis. It was observed tenocytes proliferation, granulation tissue and collagen formation in the tendon partial transection area in the FS group. The LSE demonstrated higher amount of granulation tissue and increased the collagen deposition at the injury site. CONCLUSIONS Our data suggests that the therapeutic potential of the association of heterologous fibrin biopolymer sealant with aquatic exercise program should be further explored as it may stimulate the regeneration phase and optimize calcaneal tendon recovery.
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Affiliation(s)
| | - Carla Roberta Tim
- PhD. Universidade Brasil – Scientific and Technological Institute –
Sao Paulo (SP), Brazil
| | - Eneas de Freitas Dutra
- PhD. Universidade Estadual do Piauí – Center for Research in
Biotechnology and Biodiversity – Teresina (PI), Brazil
| | - Antônio Luiz Martins Maia
- PhD. Universidade Estadual do Piauí – Center for Research in
Biotechnology and Biodiversity – Teresina (PI), Brazil
| | - Lívia Assis
- PhD. Universidade Brasil – Scientific and Technological Institute –
Sao Paulo (SP), Brazil
| | - Rui Seabra Ferreira
- PhD. Universidade Estadual Paulista – Center for the Study of Venoms
and Venomous Animals – Botucatu (SP), Brazil
| | - Benedito Barraviera
- PhD. Universidade Estadual Paulista – Botucatu Medical School –
Botucatu (SP), Brazil
| | - José Figueiredo Silva
- PhD. Universidade Estadual do Piauí – Center for Research in
Biotechnology and Biodiversity – Teresina (PI), Brazil
| | - Marcello Magri Amaral
- PhD. Universidade Brasil – Scientific and Technological Institute –
Sao Paulo (SP), Brazil
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12
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Zhang Z, Li Y, Zhang T, Shi M, Song X, Yang S, Liu H, Zhang M, Cui Q, Li Z. Hepatocyte Growth Factor-Induced Tendon Stem Cell Conditioned Medium Promotes Healing of Injured Achilles Tendon. Front Cell Dev Biol 2021; 9:654084. [PMID: 33898452 PMCID: PMC8059769 DOI: 10.3389/fcell.2021.654084] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 03/15/2021] [Indexed: 12/14/2022] Open
Abstract
Tendon repair is a medical challenge. Our present study investigated the effectiveness of acellular therapy consisting of conditioned medium (CM) of tendon stem cells (TSCs) induced with hepatocyte growth factor (HGF) in promoting the healing of injured Achilles tendon in a rat model. Proteomic analysis of soluble substances in the CM was performed using an array chip, and bioinformatic analysis was carried out to evaluate interactions among the factors. The effects of CM on viability and migratory capacity of tendon fibroblasts derived from rats with ruptured Achilles tendon were evaluated with the Cell Counting Kit 8 and wound healing assay, respectively. The expression of extracellular matrix (ECM)-related protein was assessed by western blotting. Rats with Achilles tendon injury were treated with CM by local injection for 2 weeks, and the organization of tendon fibers at the lesion site was evaluated by hematoxylin and eosin and Masson's trichrome staining of tissue samples. The deposition and degradation of ECM proteins and the expression of inflammatory factors at the lesion site were evaluated by immunohistochemistry and immunofluorescence. Biomechanical testing was carried out on the injured tendons to assess functional recovery. There were 12 bioactive molecules in the CM, with HGF as the hub of the protein-protein interaction network. CM treatment enhanced the viability and migration of tendon fibroblasts, altered the expression of ECM proteins, promoted the organization of tendon fibers, suppressed inflammation and improved the biomechanics of the injured Achilles tendon. These results suggest that HGF stimulates the secretion of soluble secretory products by TSCs and CM promotes the repair and functional recovery of ruptured Achilles tendon. Thus, HGF-induced TSC CM has therapeutic potential for the treatment of tendinopathy.
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Affiliation(s)
- Zenan Zhang
- Department of Pediatric Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yutian Li
- Department of Pediatric Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Tingting Zhang
- Department of Pediatric Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Manyu Shi
- Department of Pediatric Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xin Song
- Department of Pediatric Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Shulong Yang
- Department of Pediatric Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Hengchen Liu
- Department of Pediatric Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Mingzhao Zhang
- Department of Pediatric Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Qingbo Cui
- Department of Pediatric Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Zhaozhu Li
- Department of Pediatric Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
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13
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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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Okewunmi J, Guzman J, Vulcano E. Achilles Tendinosis Injuries-Tendinosis to Rupture (Getting the Athlete Back to Play). Clin Sports Med 2020; 39:877-891. [PMID: 32892973 DOI: 10.1016/j.csm.2020.05.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Recreational athletes are susceptible to experiencing pain in the Achilles tendon, affecting their ability to complete daily activities. Achilles tendinosis is a degenerative process of the tendon without histologic or clinical signs of intratendinous inflammation, which can be categorized by location into insertional and noninsertional tendinosis. This condition is one that can be treated conservatively with great success or surgically for refractory cases. Currently, there is a lack of consensus regarding the best treatment options. This review aims to explore both conservative and operative treatment options for Achilles tendinopathy and Achilles tendon rupture.
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Affiliation(s)
- Jeffrey Okewunmi
- Department of Orthopaedic Surgery, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Place, New York, NY 10029, USA
| | - Javier Guzman
- Department of Orthopaedic Surgery, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Place, New York, NY 10029, USA
| | - Ettore Vulcano
- Department of Orthopaedic Surgery, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Place, New York, NY 10029, USA.
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15
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Binkley HM, Douglass D, Phillips K, Wise SL. Rehabilitation and Return to Sport After Nonsurgical Treatment of Achilles Tendon Rupture. Strength Cond J 2020. [DOI: 10.1519/ssc.0000000000000536] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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16
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Changes of Material Elastic Properties during Healing of Ruptured Achilles Tendons Measured with Shear Wave Elastography: A Pilot Study. Int J Mol Sci 2020; 21:ijms21103427. [PMID: 32408704 PMCID: PMC7279368 DOI: 10.3390/ijms21103427] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/08/2020] [Accepted: 05/11/2020] [Indexed: 12/28/2022] Open
Abstract
Therapy options for ruptured Achilles tendons need to take into account the right balance of timing, amount and intensity of loading to ensure a sufficient biomechanical resilience of the healing tendon on the one hand, and to enable an adequate tensile stimulus on the other hand. However, biomechanical data of human Achilles tendons after rupture during the separate healing stages are unknown. Shear wave elastography is an ultrasound technique that measures material elastic properties non-invasively, and was proven to have a very good correlation to biomechanical studies. Taking advantage of this technology, 12 patients who suffered from an acute Achilles tendon rupture were acquired and monitored through the course of one year after rupture. Nine of these patients were treated non-operatively and were included for the analysis of biomechanical behaviour. A significant increase of material elastic properties was observed within the first six weeks after trauma (up to 80% of baseline value), where it reached a plateau phase. A second significant increase occurred three to six months after injury. This pilot study suggests a time correlation of biomechanical properties with the biological healing phases of tendon tissue. In the reparative phase, a substantial amount of biomechanical resilience is restored already, but the final stage of biomechanical stability is reached in the maturation phase. These findings can potentially be implemented into treatment and aftercare protocols.
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Zellers JA, Christensen M, Kjær IL, Rathleff MS, Silbernagel KG. Defining Components of Early Functional Rehabilitation for Acute Achilles Tendon Rupture: A Systematic Review. Orthop J Sports Med 2019; 7:2325967119884071. [PMID: 31803789 PMCID: PMC6878623 DOI: 10.1177/2325967119884071] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Early functional rehabilitation is frequently discussed in treating Achilles tendon rupture. A consistent definition of what constitutes early functional rehabilitation has not been established across the literature, despite studies supporting its efficacy. A standardized definition would be helpful to pool data across studies, allow for between-study comparisons, and ultimately work toward developing clinical guidelines. PURPOSE To define early functional rehabilitation (including when it is initiated and what it entails) when used to treat Achilles tendon rupture and to identify outcome measures for evaluating the effect of treatment. STUDY DESIGN Systematic review; Level of evidence, 4. METHODS Ovid MEDLINE, EMBASE, PEDro, CINAHL, and Cochrane databases were searched for relevant studies. Eligibility criteria for selecting studies consisted of randomized controlled trials, cohort studies, and case series (≥10 participants) including weightbearing or exercise-based interventions within 8 weeks after Achilles tendon rupture. RESULTS A total of 174 studies published between 1979 and 2018 were included. Studies were rated a median (interquartile range [IQR]) of 17 (15-20) on the Downs & Black checklist and included 9098 participants. Early functional rehabilitation incorporated weightbearing (95%), range of motion (73%), and isometric/strengthening exercises (50%). Weightbearing was initiated within the first week, whereas exercise (eg, ankle range of motion, strengthening, whole-body conditioning) was initiated in the second week. Initiation of exercises varied based on whether treatment was nonsurgical (mean, 3.0 weeks; IQR, 2.0-4.0 weeks) or simple (mean, 2.0 weeks; IQR, 0.0-2.3 weeks) or augmented surgical repair (mean, 0.5 weeks; IQR, 0.0-2.8 weeks) (P = .017). Functional outcomes including ankle range of motion (n = 84) and strength (n = 76) were reported in 130 studies. Other outcome domains included patient-reported outcomes (n = 89), survey-based functional outcomes (n = 50), and tendon properties (n = 53). CONCLUSION Early functional rehabilitation includes weightbearing and a variety of exercise-based interventions initiated within the first 2 weeks after acute Achilles tendon rupture/repair. Because early functional rehabilitation has lacked a standardized definition, interventions and outcome measures are highly variable, and pooling data across studies should be done with attention paid to what was included in the intervention and how treatment was assessed.
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Affiliation(s)
- Jennifer A. Zellers
- Program in Physical Therapy, Washington University School of Medicine in St Louis, St Louis, Missouri, USA
| | - Marianne Christensen
- Physiotherapy and Occupational Therapy, Aalborg University Hospital, Aalborg, Denmark
- Orthopaedic Research Unit, Aalborg University Hospital, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Inge Lunding Kjær
- Orthopaedic Research Unit, Aalborg University Hospital, Aalborg, Denmark
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18
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Cui J, Chen Z, Wu W. Expression of TGF-β1 and VEGF in patients with Achilles tendon rupture and the clinical efficacy. Exp Ther Med 2019; 18:3502-3508. [PMID: 31602226 PMCID: PMC6777322 DOI: 10.3892/etm.2019.7968] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 07/10/2019] [Indexed: 12/20/2022] Open
Abstract
Expression of transforming growth factor-β1 (TGF-β1) and vascular endothelial growth factor (VEGF) in patients with Achilles tendon rupture, and the predictive values and significance in clinical efficacy were explored. Forty-two patients with Achilles tendon rupture, surgically treated in the First Affiliated Hospital of University of South China, were selected and the clinical efficacy was evaluated based on the American Orthopaedic Foot and Ankle Society (AOFAS) scoring system. RT-qPCR was adopted to detect the expression of serum TGF-β1 and VEGF in the patients before and after treatment, and Spearman's correlation was used to analyze the correlation of TGF-β1 and VEGF with the clinical efficacy after treatment. Patients were divided into an excellent efficacy group and a good/general efficacy group according to the predictive efficacy. In the two groups, the expression levels of TGF-β1 and VEGF before treatment were observed, and the predictive values of TGF-β1 and VEGF in clinical efficacy using the receiver operating characteristic (ROC) curves were obtained. The 42 patients showed significantly higher expression of TGF-β1 and VEGF at 3 months after treatment, and significantly decreased expression at 6 months after treatment, compared to the results before treatment (both P<0.001). After treatment, the efficacy was excellent in 11 patients, good in 25 and general in 6. Spearman's correlation analysis revealed that the expression of TGF-β1 and VEGF decreased with the improvement of efficacy after treatment (P<0.001), and the excellent efficacy group showed significantly lower expression of TGF-β1 and VEGF than that in the good/general efficacy group (P<0.01). Moreover, according to ROC curves, the areas under the curves (AUCs) of TGF-β1 and VEGF were 0.651 and 0.645, respectively. In conclusion, TGF-β1 and VEGF can be considered as observational indexes and predictors for clinical efficacy in patients with Achilles tendon rupture, before and after treatment.
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Affiliation(s)
- Juncheng Cui
- Department of Orthopaedics, First Affiliated Hospital of University of South China, Henyang, Hunan 421001, P.R. China
| | - Zhiwei Chen
- Department of Orthopaedics, First Affiliated Hospital of University of South China, Henyang, Hunan 421001, P.R. China
| | - Wente Wu
- Department of Orthopaedics, First Affiliated Hospital of University of South China, Henyang, Hunan 421001, P.R. China
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Manegold S, Tsitsilonis S, Gehlen T, Kopf S, Duda GN, Agres AN. Alterations in structure of the muscle-tendon unit and gait pattern after percutaneous repair of Achilles tendon rupture with the Dresden instrument. Foot Ankle Surg 2019; 25:529-533. [PMID: 30321951 DOI: 10.1016/j.fas.2018.04.004] [Citation(s) in RCA: 15] [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: 09/02/2017] [Revised: 04/05/2018] [Accepted: 04/09/2018] [Indexed: 02/04/2023]
Abstract
BACKGROUND Functional deficits after Achilles tendon (AT) ruptures are observed. The relationship between musculotendinous structural alterations and functional outcome is not clear. METHODS Kinematic analyses (level walking, stair climbing), patient-reported outcome measures (PROMs), calf atrophy (maximum calf circumference (MCC)), and AT length were evaluated in patients after percutaneous AT repair with the Dresden instrument (n=20min. FOLLOW-UP 24 months). RESULTS Patients achieved good results in PROMs. However, MCC decreased significantly and AT length increased significantly postoperatively. Side-to-side MCC differences over 2cm resulted in significantly lower PROMs. AT lengthening correlated with increased dorsiflexion and decreased plantarflexion. CONCLUSION Calf atrophy and AT lengthening after minimally invasive AT repair resulted in inferior ankle kinematics and PROMs.
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Affiliation(s)
- Sebastian Manegold
- Charité - University Medicine Berlin, Center for Musculoskeletal Surgery, Campus Virchow Clinic, Augustenburger Platz 1, 13353, Berlin, Germany.
| | - Serafim Tsitsilonis
- Charité - University Medicine Berlin, Center for Musculoskeletal Surgery, Campus Virchow Clinic, Augustenburger Platz 1, 13353, Berlin, Germany; Berlin-Brandenburg Center for Regenerative Therapies/BSRT, Charité - University Medicine Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Tobias Gehlen
- Charité - University Medicine Berlin, Center for Musculoskeletal Surgery, Campus Virchow Clinic, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Sebastian Kopf
- Charité - University Medicine Berlin, Center for Musculoskeletal Surgery, Campus Virchow Clinic, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Georg N Duda
- Berlin-Brandenburg Center for Regenerative Therapies/BSRT, Charité - University Medicine Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Alison N Agres
- Berlin-Brandenburg Center for Regenerative Therapies/BSRT, Charité - University Medicine Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
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Nam IH, Park YU, Cho JH, Lee DH, Min KJ. Comparison Between Early Functional Rehabilitation and Cast Immobilization After Minimally Invasive Repair for an Acute Achilles Tendon Rupture. J Foot Ankle Surg 2019; 58:628-631. [PMID: 31130480 DOI: 10.1053/j.jfas.2018.12.024] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Indexed: 02/03/2023]
Abstract
The purpose of the present study was to compare the outcomes of patients with Achilles tendon rupture treated with minimally invasive repair and early functional rehabilitation with the outcomes of similar patients treated with cast immobilization. After undergoing minimally invasive surgery, a below-knee splint with the foot in 30° of plantarflexion was applied to each patient for the first week. Patients were then assigned to a cast immobilization group (IG; n = 25) or a functional group (FG; n = 16). Data were collected during outpatient checks at 6 weeks, 3 months, 6 months, and 1 year. Outcomes of interest included range of motion (ROM), heel height, calf circumference, pain and functional score, return to work and light sports activity, and complications. The time interval for return to work in the FG was faster than that in the IG (p = .026). There was no clinically important difference between the 2 groups with regard to heel height, ROM, return to sports, calf circumference, visual analog scale, American Orthopaedic Foot and Ankle Society score, or Achilles tendon Total Rupture Score at every outpatient check except ROM difference at 6 weeks and heel height at 3 months. Rerupture occurred in 2 patients (1 [4%] in the IG and 1 [6.25%] in the FG). Early functional rehabilitation seemed to be as safe as traditional postoperative immobilization with a similar functional result and complications, but it was advantageous for the early phase of rehabilitation only.
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Affiliation(s)
- Il Hyun Nam
- Surgeon, Department of Orthopedic Surgery, Pohang, St. Mary's Hospital, Pohang, Gyeongsangbuk-do, Republic of Korea
| | - Young Uk Park
- Professor, Department of Orthopedic Surgery, Ajou University Hospital, Ajou University School of Medicine, Suwon, Gyeonggi-do, Republic of Korea.
| | - Jae Ho Cho
- Professor, Department of Orthopedic Surgery, Ajou University Hospital, Ajou University School of Medicine, Suwon, Gyeonggi-do, Republic of Korea
| | - Doo Hyung Lee
- Professor, Department of Orthopedic Surgery, Ajou University Hospital, Ajou University School of Medicine, Suwon, Gyeonggi-do, Republic of Korea
| | - Kyung Jun Min
- Surgeon, Department of Orthopedic Surgery, Ajou University Hospital, Ajou University School of Medicine, Suwon, Gyeonggi-do, Republic of Korea
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Zhao J, Guo W, Zeng X, Kan S. [Research progress of early postoperative rehabilitation for acute Achilles tendon rupture after surgical repair]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2019; 33:382-386. [PMID: 30874399 PMCID: PMC8337926 DOI: 10.7507/1002-1892.201807146] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 01/07/2019] [Indexed: 12/28/2022]
Abstract
Objective To summarize the latest research progress of early postoperative rehabilitation for acute Achilles tendon rupture after surgical repair. Methods The high-quality randomized controlled trials and systematic reviews/meta-analyses regarding early postoperative rehabilitation for acute Achilles tendon rupture in recent years were reviewed. Results There are three functional rehabilitations after acute Achilles tendon rupture surgery, including early postoperative mobilization, early weight-bearing with immobilization, and early weight-bearing combined with mobilization. The results of randomized controlled trials show that the effectiveness of early postoperative rehabilitation is similar or better than the early postoperative immobilization. The results of systematic reviews/meta-analyses show that the early postoperative rehabilitation is beneficial to the early function recovery of the Achilles tendon, can reduce the time for functional recovery, and do not adversely affect the outcomes. Conclusion Early postoperative rehabilitation is beneficial to the functional recovery, and do not increase postoperative complications. There is still no uniform protocol of early postoperative rehabilitation and the timing of weight-bearing, and further studies are needed in the future.
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Affiliation(s)
- Jiaguo Zhao
- Department of Foot and Ankle Surgery, Tianjin Hospital, Tianjin, 300211,
| | - Wenxuan Guo
- School of Graduates, Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, P.R.China
| | - Xiantie Zeng
- Department of Foot and Ankle Surgery, Tianjin Hospital, Tianjin, 300211, P.R.China
| | - Shilian Kan
- Department of Hand Surgery, Tianjin Hospital, Tianjin, 300211, P.R.China
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Dams OC, van den Akker-Scheek I, Diercks RL, Wendt KW, Zwerver J, Reininga IHF. Surveying the management of Achilles tendon ruptures in the Netherlands: lack of consensus and need for treatment guidelines. Knee Surg Sports Traumatol Arthrosc 2019; 27:2754-2764. [PMID: 29971520 PMCID: PMC6706364 DOI: 10.1007/s00167-018-5049-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 06/29/2018] [Indexed: 12/11/2022]
Abstract
PURPOSE This study aimed to describe and analyse usual care of Achilles tendon ruptures (ATRs) by orthopaedic surgeons and trauma surgeons in the Netherlands. METHODS A nationwide online survey of ATR management was sent to all consultant orthopaedic and trauma surgeons in the Netherlands, requesting participation of those involved in ATR management. Data on individual characteristics and the entire ATR management (from diagnosis to rehabilitation) were gathered. Consensus was defined as ≥ 70% agreement on an answer. RESULTS A total of 91 responses (70 orthopaedic surgeons and 21 trauma surgeons) were analysed. There was consensus on the importance of the physical examination in terms of diagnosis (> 90%) and a lack of consensus on diagnostic imaging (ultrasound/MRI). There was consensus that non-surgical treatment is preferred for sedentary and systemically diseased patients and surgery for patients who are younger and athletic and present with larger tendon gap sizes. There was consensus on most of the non-surgical methods used: initial immobilisation in plaster cast with the foot in equinus position (90%) and its gradual regression (82%) every 2 weeks (85%). Only length of immobilisation lacked consensus. Surgery was generally preferred, but there was a lack of consensus on the entire followed protocol. Orthopaedic and trauma surgeons differed significantly on their surgical (p = 0.001) and suturing techniques (p = 0.002) and methods of postoperative immobilisation (p < 0.001). Orthopaedic surgeons employed open repair and Bunnell sutures more often, whereas trauma surgeons used minimally invasive approaches and bone anchors. Rehabilitation methods and advised time until weight-bearing and return to sport varied. Orthopaedic surgeons advised a significantly longer time until return to sport after both non-surgical treatment (p = 0.001) and surgery (p = 0.002) than trauma surgeons. CONCLUSION This is the first study to describe the entire ATR management. The results show a lack of consensus and wide variation in management of ATRs in the Netherlands. This study shows that especially the methods of the perioperative and rehabilitation phases were inconclusive and differed between orthopaedic and trauma surgeons. Further research into optimal ATR management regimens is recommended. In addition, to achieve uniformity in management more multidisciplinary collaboration between Dutch and international surgeons treating ATRs is needed. LEVEL OF EVIDENCE Cross-sectional survey, Level V.
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Affiliation(s)
- Olivier C. Dams
- 0000 0000 9558 4598grid.4494.dDepartment of Sport and Exercise Medicine, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Inge van den Akker-Scheek
- 0000 0000 9558 4598grid.4494.dDepartment of Sport and Exercise Medicine, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands ,0000 0000 9558 4598grid.4494.dDepartment of Orthopaedics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Ron L. Diercks
- 0000 0000 9558 4598grid.4494.dDepartment of Orthopaedics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Klaus W. Wendt
- 0000 0000 9558 4598grid.4494.dDepartment of Trauma Surgery, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Johannes Zwerver
- 0000 0000 9558 4598grid.4494.dDepartment of Sport and Exercise Medicine, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Inge H. F. Reininga
- 0000 0000 9558 4598grid.4494.dDepartment of Trauma Surgery, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
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Pean CA, Christiano A, Rubenstein WJ, Konda SR, Egol KA. Risk factors for complications after primary repair of Achilles tendon ruptures. J Orthop 2018; 15:226-229. [PMID: 29657473 DOI: 10.1016/j.jor.2018.01.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 01/12/2018] [Indexed: 10/18/2022] Open
Abstract
Purpose To identify patient characteristics associated with adverse events in Achilles tendon rupture (ATR) surgical repair cases. Methods A high risk (HR) cohort group of ATR patients were compared to healthy controls in the ACSNSQIP database with multivariate regression analysis. Results Overall, 2% (n = 23) of the group sustained an AE postoperatively, most commonly superficial SSI (0.9%, n = 10). Multivariate analysis did not reveal any patient characteristics to be significantly associated with the occurrence of an AE or superficial SSI. Conclusions Obesity, diabetes and a history of smoking did not predispose patients to significantly more AEs in the 30 day postoperative period following ATR repair in this study.
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Affiliation(s)
- Christian A Pean
- NYU Langone Orthopedic Hospital, Department of Orthopedic Surgery, New York, N.Y., 10003, USA.,Jamaica Hospital Medical Center, Queens, N.Y., USA
| | - Anthony Christiano
- NYU Langone Orthopedic Hospital, Department of Orthopedic Surgery, New York, N.Y., 10003, USA.,Jamaica Hospital Medical Center, Queens, N.Y., USA
| | - William J Rubenstein
- NYU Langone Orthopedic Hospital, Department of Orthopedic Surgery, New York, N.Y., 10003, USA.,Jamaica Hospital Medical Center, Queens, N.Y., USA
| | - Sanjit R Konda
- NYU Langone Orthopedic Hospital, Department of Orthopedic Surgery, New York, N.Y., 10003, USA.,Jamaica Hospital Medical Center, Queens, N.Y., USA
| | - Kenneth A Egol
- NYU Langone Orthopedic Hospital, Department of Orthopedic Surgery, New York, N.Y., 10003, USA.,Jamaica Hospital Medical Center, Queens, N.Y., USA
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Braunstein M, Baumbach SF, Herterich V, Böcker W, Polzer H. Die akute Achillessehnenruptur. Unfallchirurg 2017; 120:1007-1014. [DOI: 10.1007/s00113-017-0420-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Carmont MR, Zellers JA, Brorsson A, Olsson N, Nilsson-Helander K, Karlsson J, Silbernagel KG. Functional Outcomes of Achilles Tendon Minimally Invasive Repair Using 4- and 6-Strand Nonabsorbable Suture: A Cohort Comparison Study. Orthop J Sports Med 2017; 5:2325967117723347. [PMID: 28856168 PMCID: PMC5571770 DOI: 10.1177/2325967117723347] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background: The aim of management of Achilles tendon rupture is to reduce tendon lengthening and maximize function while reducing the rerupture rate and minimizing other complications. Purpose: To determine changes in Achilles tendon resting angle (ATRA), heel-rise height, patient-reported outcomes, return to play, and occurrence of complications after minimally invasive repair of Achilles tendon ruptures using nonabsorbable sutures. Study Design: Cohort study; Level of evidence, 3. Methods: Between March 2013 and August 2015, a total of 70 patients (58 males, 12 females) with a mean age of 42 ± 8 years were included and evaluated at 6 weeks and 3, 6, 9, and 12 months after repair of an Achilles tendon rupture. Surgical repair was performed using either 4-strand or 6-strand nonabsorbable sutures. After surgery, patients were mobilized, fully weightbearing using a functional brace. Early active movement was permitted starting at 2 weeks. Results: There were no significant differences in the ATRA, Achilles Tendon Total Rupture Score (ATRS), and Heel-Rise Height Index (HRHI) between the 4- and 6-strand repairs. The mean (SD) relative ATRA was –13.1° (6.6°) (dorsiflexion) following injury; this was reduced to 7.6° (4.8°) (plantar flexion) directly after surgery. During initial rehabilitation at 6 weeks, the relative ATRA was 0.6° (7.4°) (neutral) and –7.0° (5.3°) (dorsiflexion) at 3 months, after which ATRA improved significantly with time to 12 months (P = .005). At 12 months, the median ATRS was 93 (range, 35-100), and the mean (SD) HRHI and Heel-Rise Repetition Index were 81% (0.22%) and 82.9% (0.17%), respectively. The relative ATRA at 3 and 12 months correlated with HRHI (r = 0.617, P < .001 and r = 0.535, P < .001, respectively). Conclusion: Increasing the number of suture strands from 4 to 6 does not alter the ATRA or HRHI after minimally invasive Achilles tendon repair. The use of a nonabsorbable suture during minimally invasive repair when used together with accelerated rehabilitation did not prevent the development of an increased relative ATRA. The ATRA at 3 months after surgery correlated with heel-rise height at 12 months.
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Affiliation(s)
- Michael R Carmont
- Department of Orthopaedic Surgery, Princess Royal Hospital, Shrewsbury & Telford Hospital NHS Trust, Shropshire, United Kingdom.,Department of Orthopaedics, Institute of Clinical Sciences at Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Jennifer A Zellers
- Department of Physical Therapy, University of Delaware, Newark, Delaware, USA
| | - Annelie Brorsson
- Department of Orthopaedics, Institute of Clinical Sciences at Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Nicklas Olsson
- Department of Orthopaedics, Institute of Clinical Sciences at Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Katarina Nilsson-Helander
- Department of Orthopaedics, Institute of Clinical Sciences at Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Department of Orthopaedics, Kungsbacka Hospital, Kungsbacka, Sweden
| | - Jon Karlsson
- Department of Orthopaedics, Institute of Clinical Sciences at Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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Clinical failure after Dresden repair of mid-substance Achilles tendon rupture: human cadaveric testing. Knee Surg Sports Traumatol Arthrosc 2017; 25:1849-1856. [PMID: 27256278 DOI: 10.1007/s00167-016-4182-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 05/19/2016] [Indexed: 10/21/2022]
Abstract
PURPOSE The purpose of this study was to describe the angle of clinical failure during cyclical mobilization exercises in the Achilles tendon of human cadaveric specimens that were repaired using the Dresden technique and FiberWire® No. 2. The secondary aim was to identify the secure limit of mobilization, the type of failure, and the type of apposition. METHODS The lower limbs of eight males (mean age: 60.3 ± 6.3 years) were repaired with the Dresden technique following complete, percutaneous mid-substance Achilles tendon rupture. A basal tension of 10 N at 30° of plantarflexion was placed on each specimen. The angle of the ankle during clinical failure (tendon ends separation >5 mm) was then tested via cyclical exercises (i.e. 100 cycles between 30° and 15° of plantarflexion; 100 cycles between 15° of plantarflexion and 0°; 100 cycles between 0° and 15° of dorsiflexion; and 100 cycles between 15° of dorsiflexion and full dorsiflexion). Clinical failure was determined using the Laplacian edge detection filter, and the angle of clinical failure was obtained using a rotatory potentiometer aligned in relation to the intermalleolar axis of each foot specimen. The type of failure (knot, tendon, or suture) and apposition (termino-terminal or non-termino-terminal) were determined. Descriptive statistics were used to obtain the mean; standard deviation; 95 % confidence interval; 1st, 25th, 50th, 75th, and 100th percentiles; and the standard error of the mean for angle data. Proportions were used to describe the type of failure and apposition. RESULTS The main results were a mean angle of clinical failure equal to 12.5° of plantarflexion, a limit of mobilization equal to 14.0° of plantarflexion, tendon failure type, and non-termino-terminal apposition in all specimens. CONCLUSIONS While the mean angle of clinical failure in human cadaveric models was 12.5° of plantarflexion, after 14.0° of plantarflexion, the percutaneous Dresden technique was found insecure for cyclical mobilization exercises, with a 5 % range of error. These findings are clinically relevant as they provide mechanical limits for diminishing the risk of Achilles lengthening during immediate rehabilitation.
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Backus JD, Marchetti DC, Slette EL, Dahl KD, Turnbull TL, Clanton TO. Effect of Suture Caliber and Number of Core Strands on Repair of Acute Achilles Ruptures: A Biomechanical Study. Foot Ankle Int 2017; 38:564-570. [PMID: 28092968 DOI: 10.1177/1071100716687368] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Controversy exists regarding the ideal Achilles rupture treatment; however, operative treatment is considered for athletes and active patients. The ideal repair construct is evolving, and the effect of suture caliber or number of core strands has not been studied. METHODS Simulated mid-substance Achilles ruptures were performed in 24 cadavers. Specimens were randomized to three 6-core-strand style repair constructs: (1) 4 No. 2 sutures and two 2-mm tapes (2T); (2) 2 No. 2 sutures and four 2-mm tapes (4T); (3) 12 (double-6-strand) strand repair (12 No. 2-0 sutures [12S]). Repairs were subjected to a cyclic loading protocol representative of postoperative rehabilitation. These data were compared to a previously published standard open repair technique (6-core strands with No. 2 sutures) on 9 specimens tested under the same conditions.6 Results: No significant elongation differences were observed between the repair groups and the previously published standard repair group in the first 2 stages of the simulated rehabilitation protocol. Both the 2T and 12S repairs survived a significantly greater number of cycles to failure ( P = 0.0005, P = 0.0267, respectively) and had a significantly higher failure load ( P = .0005, P = .0118, respectively) compared to the previously published data. These 2 constructs consistently survived the advanced stages of the simulated rehabilitation protocol. The majority of repairs failed at the knots. CONCLUSIONS In this study, the 2T and 12S constructs survived the later stages of our simulated rehabilitation protocol, suggesting that they may be able to accommodate a more aggressive clinical rehabilitation protocol. Substituting suture-tape for 2 core strands or doubling the core strands with a smaller-caliber suture created a biomechanically stronger construct. CLINICAL RELEVANCE Achilles repair with an added nonabsorbable, high-tensile strength tape allowed for a stronger construct that may allow for a more aggressive, early rehabilitation protocol and earlier return to function.
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Affiliation(s)
- Jonathon D Backus
- 1 Steadman Philippon Research Institute, Vail, CO, USA.,2 Cornerstone Orthopaedics, Louisville, CO, USA
| | | | - Erik L Slette
- 1 Steadman Philippon Research Institute, Vail, CO, USA
| | - Kimi D Dahl
- 1 Steadman Philippon Research Institute, Vail, CO, USA
| | | | - Thomas O Clanton
- 1 Steadman Philippon Research Institute, Vail, CO, USA.,3 The Steadman Clinic, Vail, CO, USA
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Valkering KP, Aufwerber S, Ranuccio F, Lunini E, Edman G, Ackermann PW. Functional weight-bearing mobilization after Achilles tendon rupture enhances early healing response: a single-blinded randomized controlled trial. Knee Surg Sports Traumatol Arthrosc 2017; 25:1807-1816. [PMID: 27539402 PMCID: PMC5487693 DOI: 10.1007/s00167-016-4270-3] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Accepted: 08/03/2016] [Indexed: 02/06/2023]
Abstract
PURPOSE Functional weight-bearing mobilization may improve repair of Achilles tendon rupture (ATR), but the underlying mechanisms and outcome were unknown. We hypothesized that functional weight-bearing mobilization by means of increased metabolism could improve both early and long-term healing. METHODS In this prospective randomized controlled trial, patients with acute ATR were randomized to either direct post-operative functional weight-bearing mobilization (n = 27) in an orthosis or to non-weight-bearing (n = 29) plaster cast immobilization. During the first two post-operative weeks, 15°-30° of plantar flexion was allowed and encouraged in the functional weight-bearing mobilization group. At 2 weeks, patients in the non-weight-bearing cast immobilization group received a stiff orthosis, while the functional weight-bearing mobilization group continued with increased range of motion. At 6 weeks, all patients discontinued immobilization. At 2 weeks, healing metabolites and markers of procollagen type I (PINP) and III (PIIINP) were examined using microdialysis. At 6 and 12 months, functional outcome using heel-rise test was assessed. RESULTS Healing tendons of both groups exhibited increased levels of metabolites glutamate, lactate, pyruvate, and of PIIINP (all p < 0.05). Patients in functional weight-bearing mobilization group demonstrated significantly higher concentrations of glutamate compared to the non-weight-bearing cast immobilization group (p = 0.045).The upregulated glutamate levels were significantly correlated with the concentrations of PINP (r = 0.5, p = 0.002) as well as with improved functional outcome at 6 months (r = 0.4; p = 0.014). Heel-rise tests at 6 and 12 months did not display any differences between the two groups. CONCLUSIONS Functional weight-bearing mobilization enhanced the early healing response of ATR. In addition, early ankle range of motion was improved without the risk of Achilles tendon elongation and without altering long-term functional outcome. The relationship between functional weight-bearing mobilization-induced upregulation of glutamate and enhanced healing suggests novel opportunities to optimize post-operative rehabilitation.
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Affiliation(s)
| | - Susanna Aufwerber
- 0000 0000 9241 5705grid.24381.3cPhysiotherapy Department, Karolinska University Hospital, Stockholm, Sweden
| | - Francesco Ranuccio
- 0000 0001 2168 2547grid.411489.1Orthopaedics Department, School of Medicine, Magna Graecia University, Catanzaro, Italy
| | - Enricomaria Lunini
- grid.411482.aOrthopaedics Department, Azienda University Hospital Parma, Parma, Italy
| | - Gunnar Edman
- 0000 0004 1937 0626grid.4714.6Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Paul W. Ackermann
- 0000 0004 1937 0626grid.4714.6Integrative Orthopedic Laboratory, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden ,0000 0000 9241 5705grid.24381.3cOrthopedic Department, Karolinska University Hospital, 171 76 Stockholm, Sweden
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