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Longo UG, De Tommasi F, Salvatore G, Lalli A, Lo Presti D, Massaroni C, Schena E. Intra-articular temperature monitoring during radiofrequency ablation in ex-vivo bovine hip joints via Fiber Bragg grating sensors. BMC Musculoskelet Disord 2023; 24:766. [PMID: 37770871 PMCID: PMC10537081 DOI: 10.1186/s12891-023-06836-6] [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: 05/04/2023] [Accepted: 08/26/2023] [Indexed: 09/30/2023] Open
Abstract
PURPOSE Radiofrequency ablation is an increasingly used surgical option for ablation, resection and coagulation of soft tissues in joint arthroscopy. One of the major issues of thermal ablation is the temperature monitoring across the target areas, as cellular mortality is a direct consequence of thermal dosimetry. Temperatures from 45 °C to 50 °C are at risk of damage to chondrocytes. One of the most reliable tools for temperature monitoring is represented by fiber optic sensors, as they allow accurate and real-time temperature measurement via a minimally invasive approach. The aim of this study was to determine, by fiber Bragg grating sensors (FBGs), the safety of radiofrequency ablation in tissue heating applied to ex-vivo bovine hip joints. METHODS Ex vivo bovine hips were subjected to radiofrequency ablation, specifically in the acetabular labrum, for a total of two experiments. The WEREWOLF System (Smith + Nephew, Watford, UK) was employed in high operating mode and in a controlled ablation way. One optical fiber embedding seven FBGs was used to record multipoint temperature variations. Each sensor was 1 mm in length with a distance from edge to edge with each other of 2 mm. RESULTS The maximum variation was recorded in both the tests by the FBG1 (i.e., the closest one to the electrode tip) and was lower than to 2.8 °C. The other sensors (from FBG2 to FBG7) did not record a significant temperature change throughout the duration of the experiment (maximum up to 0.7 °C for FBG7). CONCLUSIONS No significant increase in temperature was observed at any of the seven sites. The sensor nearest to the radiofrequency source exhibited the highest temperature rise, but the variation was only 3 °C. The minimal temperature increase registered at the measurement sites, according to existing literature, is not expected to be cytotoxic. FBGs demonstrate the potential to fulfil the strict requirements for temperature measurements during arthroscopic surgery.
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Affiliation(s)
- Umile Giuseppe Longo
- Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, Roma, 00128, Italy.
- Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, Roma, 00128, Italy.
| | - Francesca De Tommasi
- Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, Roma, 00128, Italy
- Unit of Measurements and Biomedical Instrumentation, Università Campus Bio-Medico di Roma, via Alvaro del Portillo, 200, Trigoria, Rome, 00128, Italy
| | - Giuseppe Salvatore
- Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, Roma, 00128, Italy
| | - Alberto Lalli
- Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, Roma, 00128, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, Roma, 00128, Italy
| | - Daniela Lo Presti
- Unit of Measurements and Biomedical Instrumentation, Università Campus Bio-Medico di Roma, via Alvaro del Portillo, 200, Trigoria, Rome, 00128, Italy
| | - Carlo Massaroni
- Unit of Measurements and Biomedical Instrumentation, Università Campus Bio-Medico di Roma, via Alvaro del Portillo, 200, Trigoria, Rome, 00128, Italy
| | - Emiliano Schena
- Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, Roma, 00128, Italy
- Unit of Measurements and Biomedical Instrumentation, Università Campus Bio-Medico di Roma, via Alvaro del Portillo, 200, Trigoria, Rome, 00128, Italy
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Anderson DE, Broun KG, Kundu P, Jing X, Tang X, Lu C, Kotelsky A, Mannava S, Lee W. PIEZO1 is downregulated in glenohumeral chondrocytes in early cuff tear arthropathy following a massive rotator cuff tear in a mouse model. Front Bioeng Biotechnol 2023; 11:1244975. [PMID: 37731766 PMCID: PMC10508846 DOI: 10.3389/fbioe.2023.1244975] [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: 06/23/2023] [Accepted: 08/24/2023] [Indexed: 09/22/2023] Open
Abstract
Introduction: A massive rotator cuff tear (RCT) leads to glenohumeral joint destabilization and characteristic degenerative changes, termed cuff tear arthropathy (CTA). Understanding the response of articular cartilage to a massive RCT will elucidate opportunities to promote homeostasis following restoration of joint biomechanics with rotator cuff repair. Mechanically activated calcium-permeating channels, in part, modulate the response of distal femoral chondrocytes in the knee against injurious loading and inflammation. The objective of this study was to investigate PIEZO1-mediated mechanotransduction of glenohumeral articular chondrocytes in the altered biomechanical environment following RCT to ultimately identify potential therapeutic targets to attenuate cartilage degeneration after rotator cuff repair. Methods: First, we quantified mechanical susceptibility of chondrocytes in mouse humeral head cartilage ex vivo with treatments of specific chemical agonists targeting PIEZO1 and TRPV4 channels. Second, using a massive RCT mouse model, chondrocytes were assessed for mechano-vulnerability, PIEZO1 expression, and calcium signaling activity 14-week post-injury, an early stage of CTA. Results: In native humeral head chondrocytes, chemical activation of PIEZO1 (Yoda1) significantly increased chondrocyte mechanical susceptibility against impact loads, while TRPV4 activation (GSK101) significantly decreased impact-induced chondrocyte death. A massive RCT caused morphologic and histologic changes to the glenohumeral joint with decreased sphericity and characteristic bone bruising of the posterior superior quadrant of the humeral head. At early CTA, chondrocytes in RCT limbs exhibit a significantly decreased functional expression of PIEZO1 compared with uninjured or sham controls. Discussion: In contrast to the hypothesis, PIEZO1 expression and activity is not increased, but rather downregulated, after massive RCT at the early stage of cuff tear arthropathy. These results may be secondary to the decreased axial loading after glenohumeral joint decoupling in RCT limbs.
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Affiliation(s)
- Devon E. Anderson
- Center for Musculoskeletal Research, University of Rochester, Rochester, NY, United States
- Department of Orthopaedics and Physical Performance, University of Rochester, Rochester, NY, United States
| | - Katherine G. Broun
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, United States
| | - Paromita Kundu
- Department of Physiology and Pharmacology, University of Rochester, Rochester, NY, United States
| | - Xingyu Jing
- Department of Physiology and Pharmacology, University of Rochester, Rochester, NY, United States
| | - Xiang Tang
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, United States
| | - Christopher Lu
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, United States
| | - Alexander Kotelsky
- Center for Musculoskeletal Research, University of Rochester, Rochester, NY, United States
| | - Sandeep Mannava
- Center for Musculoskeletal Research, University of Rochester, Rochester, NY, United States
- Department of Orthopaedics and Physical Performance, University of Rochester, Rochester, NY, United States
| | - Whasil Lee
- Center for Musculoskeletal Research, University of Rochester, Rochester, NY, United States
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, United States
- Department of Physiology and Pharmacology, University of Rochester, Rochester, NY, United States
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Luo J, Wang Z, Tang C, Yin Z, Huang J, Ruan D, Fei Y, Wang C, Mo X, Li J, Zhang J, Fang C, Li J, Chen X, Shen W. Animal model for tendinopathy. J Orthop Translat 2023; 42:43-56. [PMID: 37637777 PMCID: PMC10450357 DOI: 10.1016/j.jot.2023.06.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 06/18/2023] [Accepted: 06/30/2023] [Indexed: 08/29/2023] Open
Abstract
Background Tendinopathy is a common motor system disease that leads to pain and reduced function. Despite its prevalence, our mechanistic understanding is incomplete, leading to limited efficacy of treatment options. Animal models contribute significantly to our understanding of tendinopathy and some therapeutic options. However, the inadequacies of animal models are also evident, largely due to differences in anatomical structure and the complexity of human tendinopathy. Different animal models reproduce different aspects of human tendinopathy and are therefore suitable for different scenarios. This review aims to summarize the existing animal models of tendinopathy and to determine the situations in which each model is appropriate for use, including exploring disease mechanisms and evaluating therapeutic effects. Methods We reviewed relevant literature in the PubMed database from January 2000 to December 2022 using the specific terms ((tendinopathy) OR (tendinitis)) AND (model) AND ((mice) OR (rat) OR (rabbit) OR (lapin) OR (dog) OR (canine) OR (sheep) OR (goat) OR (horse) OR (equine) OR (pig) OR (swine) OR (primate)). This review summarized different methods for establishing animal models of tendinopathy and classified them according to the pathogenesis they simulate. We then discussed the advantages and disadvantages of each model, and based on this, identified the situations in which each model was suitable for application. Results For studies that aim to study the pathophysiology of tendinopathy, naturally occurring models, treadmill models, subacromial impingement models and metabolic models are ideal. They are closest to the natural process of tendinopathy in humans. For studies that aim to evaluate the efficacy of possible treatments, the selection should be made according to the pathogenesis simulated by the modeling method. Existing tendinopathy models can be classified into six types according to the pathogenesis they simulate: extracellular matrix synthesis-decomposition imbalance, inflammation, oxidative stress, metabolic disorder, traumatism and mechanical load. Conclusions The critical factor affecting the translational value of research results is whether the selected model is matched with the research purpose. There is no single optimal model for inducing tendinopathy, and researchers must select the model that is most appropriate for the study they are conducting. The translational potential of this article The critical factor affecting the translational value of research results is whether the animal model used is compatible with the research purpose. This paper provides a rationale and practical guide for the establishment and selection of animal models of tendinopathy, which is helpful to improve the clinical transformation ability of existing models and develop new models.
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Affiliation(s)
- Junchao Luo
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, 310058, Hangzhou City, Zhejiang Province, China
- Sports Medicine Institute of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, 310058, Hangzhou, Zhejiang, China
| | - Zetao Wang
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, 310058, Hangzhou City, Zhejiang Province, China
- Sports Medicine Institute of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, 310058, Hangzhou, Zhejiang, China
| | - Chenqi Tang
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, 310058, Hangzhou City, Zhejiang Province, China
- Sports Medicine Institute of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Binjiang Institute of Zhejiang University, Hangzhou, Zhejiang, China
| | - Zi Yin
- Orthopedics Research Institute of Zhejiang University, 310058, Hangzhou City, Zhejiang Province, China
- Sports Medicine Institute of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, 310058, Hangzhou, Zhejiang, China
| | - Jiayun Huang
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, 310058, Hangzhou City, Zhejiang Province, China
- Sports Medicine Institute of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, 310058, Hangzhou, Zhejiang, China
| | - Dengfeng Ruan
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, 310058, Hangzhou City, Zhejiang Province, China
- Sports Medicine Institute of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, 310058, Hangzhou, Zhejiang, China
| | - Yang Fei
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, 310058, Hangzhou City, Zhejiang Province, China
- Sports Medicine Institute of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, 310058, Hangzhou, Zhejiang, China
| | - Canlong Wang
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, 310058, Hangzhou City, Zhejiang Province, China
- Sports Medicine Institute of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, 310058, Hangzhou, Zhejiang, China
| | - Xianan Mo
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, 310058, Hangzhou, Zhejiang, China
| | - Jiajin Li
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, 310058, Hangzhou City, Zhejiang Province, China
| | - Jun Zhang
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, 310058, Hangzhou City, Zhejiang Province, China
- Sports Medicine Institute of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Department of Orthopedics, Longquan People's Hospital, Zhejiang, 323799, China
| | - Cailian Fang
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, 310058, Hangzhou City, Zhejiang Province, China
- Sports Medicine Institute of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
| | - Jianyou Li
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Department of Orthopedics, Huzhou Central Hospital, Affiliated Central Hospital of Huzhou University, Zhejiang University Huzhou Hospital, 313000, Huzhou, Zhejiang, China
| | - Xiao Chen
- Orthopedics Research Institute of Zhejiang University, 310058, Hangzhou City, Zhejiang Province, China
- Sports Medicine Institute of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, 310058, Hangzhou, Zhejiang, China
| | - Weiliang Shen
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, 310058, Hangzhou City, Zhejiang Province, China
- Sports Medicine Institute of Zhejiang University, 310058, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, 315825, Hangzhou, Zhejiang, China
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, 310058, Hangzhou, Zhejiang, China
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Longo UG, Risi Ambrogioni L, Candela V, Berton A, Lo Presti D, Denaro V. Scapular Kinematics and Patterns of Scapular Dyskinesis in Rotator Cuff Tears: A Prospective Cohort Study. J Clin Med 2023; 12:jcm12113841. [PMID: 37298036 DOI: 10.3390/jcm12113841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 05/28/2023] [Accepted: 05/30/2023] [Indexed: 06/12/2023] Open
Abstract
Scapular dyskinesis (SD) is a condition of loss of normal mobility or function of the scapula. SD is frequently observed in patients with other shoulder disorders, such as rotator cuff (RC) tears. This study evaluates the different presentations in clinical outcomes and range of motions (ROMs) in patients suffering from RC tears with and without SD. A total of 52 patients were enrolled, of which 32 patients with RC tears and SD (group A) and 20 patients with RC tears without SD (group B). Statistically significant differences between the groups in terms of clinical outcomes were identified. There were statistically significant differences in terms of flexion (p = 0.019), extension (p = 0.015), abduction (p = 0.005), and external rotation at 90° (p = 0.003) and at 0° (p = 0.025). In conclusion, this prospective study demonstrated that SD influences the clinical presentation of patients with RC tears in terms of clinical outcomes and ROMs, apart from internal rotation. Further studies will need to show whether these differences occur regardless of SD type.
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Affiliation(s)
- Umile Giuseppe Longo
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128 Roma, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Roma, Italy
| | - Laura Risi Ambrogioni
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128 Roma, Italy
| | - Vincenzo Candela
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128 Roma, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Roma, Italy
| | - Alessandra Berton
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128 Roma, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Roma, Italy
| | - Daniela Lo Presti
- Unit of Measurements and Biomedical Instrumentation, Campus Bio-Medico University, Via Alvaro del Portillo, 21, 00128, Rome, Italy
| | - Vincenzo Denaro
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128 Roma, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Roma, Italy
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Zhang G, Zhou X, Hu S, Jin Y, Qiu Z. Large animal models for the study of tendinopathy. Front Cell Dev Biol 2022; 10:1031638. [PMID: 36393858 PMCID: PMC9640604 DOI: 10.3389/fcell.2022.1031638] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 10/12/2022] [Indexed: 11/23/2022] Open
Abstract
Tendinopathy has a high incidence in athletes and the aging population. It can cause pain and movement disorders, and is one of the most difficult problems in orthopedics. Animal models of tendinopathy provide potentially efficient and effective means to develop understanding of human tendinopathy and its underlying pathological mechanisms and treatments. The selection of preclinical models is essential to ensure the successful translation of effective and innovative treatments into clinical practice. Large animals can be used in both micro- and macro-level research owing to their similarity to humans in size, structure, and function. This article reviews the application of large animal models in tendinopathy regarding injuries to four tendons: rotator cuff, patellar ligament, Achilles tendon, and flexor tendon. The advantages and disadvantages of studying tendinopathy with large animal models are summarized. It is hoped that, with further development of animal models of tendinopathy, new strategies for the prevention and treatment of tendinopathy in humans will be developed.
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Affiliation(s)
- Guorong Zhang
- School of Clinical Medicine, Changchun University of Chinese Medicine, Changchun, China
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
| | - Xuyan Zhou
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
| | - Shuang Hu
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
| | - Ye Jin
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
- *Correspondence: Ye Jin, ; Zhidong Qiu,
| | - Zhidong Qiu
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
- *Correspondence: Ye Jin, ; Zhidong Qiu,
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Liu Q, Tang Q, Liao L, Li D, Zhu W, Zhao C. Translational therapy from preclinical animal models for muscle degeneration after rotator cuff injury. J Orthop Translat 2022; 35:13-22. [PMID: 35846726 PMCID: PMC9260436 DOI: 10.1016/j.jot.2022.03.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 02/28/2022] [Accepted: 03/01/2022] [Indexed: 11/29/2022] Open
Abstract
Chronic rotator cuff tears are debilitating diseases which significantly affect patients’ quality of life and pose substantial financial burden to the society. The intraoperative reparability of injured tendon and postoperative probability of tendon retear are highly associated with the quality of torn muscles, specifically, the severity of muscle atrophy and fatty infiltration. Animal models that reproduce the characteristic muscle pathology after rotator cuff injury have been developed and used to provide insight into the underlying biology and pathophysiology. In this review, we briefly summarize the current information obtained from preclinical animal studies regarding the degenerative change of cuff muscle subsequent to tendon release and/or suprascapular nerve denervation. Importantly, we focus on the potential translational therapeutic targets or agents for the prevention or reversal of muscle atrophy and fatty infiltration. While further studies are warranted to assess the safety and efficacy of novel therapies derived from these preclinical animal research, we believe that their clinical translation for the treatment of rotator cuff disorders is on the horizon. The Translational potential of this article Novel therapeutic strategies described in this review from preclinical animal studies hold a great translational potential for preventing or reversing rotator cuff muscle pathology, while further assessments on their safety and efficacy are warranted.
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Longo UG, Risi Ambrogioni L, Berton A, Candela V, Migliorini F, Carnevale A, Schena E, Nazarian A, DeAngelis J, Denaro V. Conservative versus accelerated rehabilitation after rotator cuff repair: a systematic review and meta-analysis. BMC Musculoskelet Disord 2021; 22:637. [PMID: 34303366 PMCID: PMC8310609 DOI: 10.1186/s12891-021-04397-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 05/25/2021] [Indexed: 01/08/2023] Open
Abstract
Background The purpose of this systematic review and meta-analysis is to compare the conservative and accelerated rehabilitation protocols in patients who underwent arthroscopic rotator cuff repair in terms of clinical outcomes and range of motions at 3, 6, 12, and 24-month follow-up. Methods According to PRISMA guidelines, a systematic review of the literature was performed. For each included article, the following data has been extracted: authors, year, study design, level of evidence, demographic characteristics, follow-up, clinical outcomes, range of motions, and retear events. A meta-analysis was performed to compare accelerated versus conservative rehabilitation protocols after arthroscopic rotator cuff repair. The retear rate, postoperative Constant-Murley score and range of motions at 3, 6, 12, and 24 months of follow-up were the outcomes measured. Results The search strategy yielded 16 level I-II clinical studies. A total of 1424 patients, with 732 patients and 692 in the accelerated and conservative group, were included. The average age (mean ± standard deviation) was 56.1 ± 8.7 and 56.6 ± 9 in the accelerated and conservative group. The mean follow-up was 12.5 months, ranging from 2 to 24 months. The meta-analysis showed no statistically significant differences in terms of retear rate between the groups (P = 0.29). The superiority of the accelerated group was demonstrated in terms of external rotation (P < 0.05) at 3-month follow-up; in terms of forward elevation, external rotation, abduction (P < 0.05), but not in terms of Constant-Murley score at 6-month follow-up; in terms of forward elevation (P < 0.05) at 12-month follow-up. No significant differences between the two group were highlighted at 24-month follow-up. Conclusions No statistically significant differences in the retear rate among the accelerated and conservative group have been demonstrated. On the other hand, statistically and clinically significant differences were found in terms of external rotation at 3 and 6 months of follow-up in favour of the accelerated group. However, no differences between the two groups were detected at 24 months follow-up.
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Affiliation(s)
- Umile Giuseppe Longo
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Rome, Trigoria, 00128, Italy.
| | - Laura Risi Ambrogioni
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Rome, Trigoria, 00128, Italy
| | - Alessandra Berton
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Rome, Trigoria, 00128, Italy
| | - Vincenzo Candela
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Rome, Trigoria, 00128, Italy
| | - Filippo Migliorini
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Rome, Trigoria, 00128, Italy
| | - Arianna Carnevale
- Research Unit of Measurements and Biomedical Instrumentation, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Rome, Trigoria, 00128, Italy
| | - Emiliano Schena
- Research Unit of Measurements and Biomedical Instrumentation, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Rome, Trigoria, 00128, Italy
| | - Ara Nazarian
- Center for Advanced Orthopaedic Studies, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Joseph DeAngelis
- Center for Advanced Orthopaedic Studies, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Vincenzo Denaro
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Rome, Trigoria, 00128, Italy
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8
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Arthroscopic Tenotomy of the Long Head of the Biceps Tendon and Section of the Anterior Joint Capsule Produce Moderate Osteoarthritic Changes in an Experimental Sheep Model. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18147471. [PMID: 34299937 PMCID: PMC8307345 DOI: 10.3390/ijerph18147471] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 07/03/2021] [Accepted: 07/06/2021] [Indexed: 11/29/2022]
Abstract
Osteoarthritis (OA) of the glenohumeral (GH) joint is a common cause of shoulder pain, resulting in considerable invalidity. Unfortunately, the study of its pathogenesis is challenging. Models of OA are necessary to identify specific targets for therapy and to be able to interfere with the development and evolution of OA. This study aims to assess the effect of an arthroscopic tenotomy of the long head of the biceps tendon (LHBT) and section of the anterior glenohumeral joint capsule on the ovine glenohumeral joint. In addition, the authors aim to validate and evaluate the reliability of a modified semi-quantitative MRI score to assess joint degeneration in a sheep’s shoulder. Eight skeletally mature sheep received an arthroscopic tenotomy of the LHBT and section of the anterior joint capsule and were euthanized four months after surgery. All animals tolerated the surgery well, and no complication was recorded for six weeks. Moderate degenerative changes to the ovine shoulder joint were found on MRI and histological evaluation. The arthroscopic tenotomy of the LHBT and the anterior glenohumeral joint capsule section caused moderate degenerative changes to the ovine shoulder joint.
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9
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Cost-Effectiveness of Supervised versus Unsupervised Rehabilitation for Rotator-Cuff Repair: Systematic Review and Meta-Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17082852. [PMID: 32326198 PMCID: PMC7216111 DOI: 10.3390/ijerph17082852] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 04/14/2020] [Accepted: 04/16/2020] [Indexed: 12/16/2022]
Abstract
Background: The objective of the present study was to compare the efficacy between supervised and unsupervised rehabilitation after rotator-cuff (RC) repair in terms of clinical outcomes, visual-analog-scale (VAS) score, range of motion (ROM), and risk of retear. Material: a comprehensive search of Pubmed, CINAHL, Cochrane, EMBASE, Ovid, and Google Scholar databases through a combination of the following keywords with logical Boolean operators: “informed”, “uninformed”, “unsupervised”, “supervised”, “rehabilitation”, “physical therapy”, “physical therapies”, “postoperative period”, “physical-therapy techniques”, “physical-therapy technique”, “exercise”, “exercise therapy”, “rotator cuff”, “rotator-cuff tear”, and “rotator-cuff repair”. For each article included in the study, the following data were extracted: authors, year, study design, sample size and demographic features, RC tear characteristics, clinical outcomes, ROM, VAS score, retear rate, and time of follow-up. Meta-analysis was performed in terms of VAS score. Results: Four randomized control trials with 132 patients were included. One study demonstrated significant improvement in VAS, active ROM, and the activity of the muscle’s motor units at stop and during maximal effort in supervised patients. Another one showed lower retear rates in the supervised group. The remaining two randomized controlled trials did not reveal any significant differences between supervised and unsupervised rehabilitation in terms of clinical outcomes. Moreover, higher costs were described for supervised rehabilitation. The VAS was not significantly different in the two groups (9.9 compared with 8.25, p = 0.23). Conclusions: although several publications address the problem of RC lacerations, there is a paucity of evidence in the literature regarding the effectiveness of supervised and unsupervised rehabilitation protocols. This systematic review and meta-analysis showed no significant differences between the two types of rehabilitation in terms of VAS scores, while outlining the pros and cons of each protocol.
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Longo UG, Salvatore G, Locher J, Ruzzini L, Candela V, Berton A, Stelitano G, Schena E, Denaro V. Epidemiology of Paediatric Shoulder Dislocation: A Nationwide Study in Italy from 2001 to 2014. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E2834. [PMID: 32326066 PMCID: PMC7215533 DOI: 10.3390/ijerph17082834] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 04/15/2020] [Accepted: 04/17/2020] [Indexed: 01/06/2023]
Abstract
Limited knowledge is accessible concerning the tendencies of hospitalization for skeletally immature patients with episodes of shoulder dislocation. Our research aim was to evaluate annual hospitalizations for shoulder dislocation in paediatric patients in Italy from 2001 to 2014, on the basis of the official data source as hospitalization reports. The second purpose was to investigate geographical diversification in hospitalization for shoulder dislocation in regions of Italy. The last aim was to make statistical predictions of the number of shoulder dislocation hospitalization volumes and rates in skeletally immature patients based on data from 2001 to 2014. An examination of the National Hospital Discharge records (SDO) kept at the Italian Ministry of Health regarding the 14 years of our study (2001 through 2014) was conducted. These data are anonymous and include patient's age, gender, domicile, region and time of hospitalization, and the kind of reimbursement (public or private). In the 14-year study time, 344 hospitalizations for shoulder dislocation of patients aged 0-14 years took place in Italy. The male/female hospitalization ratio varied from a maximum of 3.0 (2001) to a minimum of 1.1 (2013), with a mean average ratio in the 2001-2014 timespan of 2.0. Almost half of the hospitalizations (49.1%) were performed in the South. The mean incidence of hospitalizations in Italy for shoulder dislocation in patients with less than 14 years was 0.3 for every 100,000 inhabitants in the same class of age. The most common treatment was a closed reduction (60.8%), followed by open stabilization (16.6%) and arthroscopic procedures (13.7%). The present registry study shows a low incidence of hospitalization for shoulder dislocation in young patients. The most common treatment for a shoulder dislocation in paediatric patients is a closed shoulder reduction. Regions from the south and the centre of Italy are marked by an inferior number of operations and a higher number of hospitalization for closed shoulder reduction.
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Affiliation(s)
- Umile Giuseppe Longo
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128 Rome, Italy; (G.S.); (J.L.); (V.C.); (A.B.); (G.S.); (V.D.)
| | - Giuseppe Salvatore
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128 Rome, Italy; (G.S.); (J.L.); (V.C.); (A.B.); (G.S.); (V.D.)
| | - Joel Locher
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128 Rome, Italy; (G.S.); (J.L.); (V.C.); (A.B.); (G.S.); (V.D.)
| | - Laura Ruzzini
- Department of Orthopedics, Children’s Hospital Bambino Gesù, Via Torre di Palidoro, Palidoro, 00165 Rome, Italy;
| | - Vincenzo Candela
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128 Rome, Italy; (G.S.); (J.L.); (V.C.); (A.B.); (G.S.); (V.D.)
| | - Alessandra Berton
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128 Rome, Italy; (G.S.); (J.L.); (V.C.); (A.B.); (G.S.); (V.D.)
| | - Giovanna Stelitano
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128 Rome, Italy; (G.S.); (J.L.); (V.C.); (A.B.); (G.S.); (V.D.)
| | - Emiliano Schena
- Unit of Measurements and Biomedical Instrumentation, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Rome, Italy;
| | - Vincenzo Denaro
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128 Rome, Italy; (G.S.); (J.L.); (V.C.); (A.B.); (G.S.); (V.D.)
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11
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Petrillo S, Longo UG, Margiotti K, Candela V, Fusilli C, Rizzello G, De Luca A, Denaro V. Genetic factors in rotator cuff pathology: potential influence of col 5A1 polymorphism in outcomes of rotator cuff repair. BMC MEDICAL GENETICS 2020; 21:82. [PMID: 32303186 PMCID: PMC7165385 DOI: 10.1186/s12881-020-01022-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 04/05/2020] [Indexed: 12/16/2022]
Abstract
Background Investigations in genetics have provided valuable information about the correlation between gene variants and tendinopathy. Single Nucleotide Polymorphisms of COL5A1 gene are reported to be involved in Achilles tendinopathy, chronic degenerative tendon changes at the elbow, and other tendinopathies. The influence of Single Nucleotide Polymorphisms of COL5A1 was previously analyzed in rotator cuff disease with confounding results. Moreover, the rs12722 polymorphism in COL5A1 gene has been implicated in the aetiology of musculoskeletal soft tissue injuries in several association studies. This study aims to analyse the possible influence of rs12722 polymorphism in COL5A1 in the outcomes of rotator cuff repair. Methods Seventy-nine patients were included in the study. DNA was extracted from 1.2 ml of venous blood and genotyped for COL5A1 SNPs rs12722. Rotator cuff muscle strength and range of motion (ROM) in anterior elevation, external and internal rotation of the shoulder were evaluated. Results Patients presenting COL5A1 SNP rs12722 CC showed a ROM of passive external rotation statistically significantly higher compared to patients with CT genotype and TT genotype. Conclusions COL5A1 SNP rs12722 may influence the functional outcomes of RCRs, even though further studies are required to confirm these preliminary results.
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Affiliation(s)
- Stefano Petrillo
- Prosthetic Surgery Centre, IRCCS Orthopedic Institute Galeazzi, via Riccardo Galeazzi 4, 20161, Milan, Italy
| | - Umile Giuseppe Longo
- Department of Orthopaedics and Trauma Surgery, Campus Bio-Medico University of Rome, Rome, Italy.
| | - Katia Margiotti
- Laboratory of Molecular Medicine and Biotechnology, Campus-Bio Medico University of Rome, Rome, Italy.,Molecular Genetics Unit, Casa Sollievo della Sofferenza Hospital, IRCCS, San Giovanni Rotondo, Italy.,Istituto Casa Sollievo della Sofferenza - Mendel, Viale Regina Margherita 261, 00198, Roma, Italy.,ALTAMEDICA, Laboratorio Genetica Medica, Roma, Italy
| | - Vincenzo Candela
- Department of Orthopaedics and Trauma Surgery, Campus Bio-Medico University of Rome, Rome, Italy
| | - Caterina Fusilli
- Bioinformatics Unit, Casa Sollievo Della Sofferenza Hospital, IRCCS, San Giovanni Rotondo, Italy
| | - Giacomo Rizzello
- Department of Orthopaedics and Trauma Surgery, Campus Bio-Medico University of Rome, Rome, Italy
| | - Alessandro De Luca
- UOS Diagnosi Genetica Molecolare Istituto CSS-Mendel, Viale Regina Margherita 261, 00198, Roma, Italy
| | - Vincenzo Denaro
- Department of Orthopaedics and Trauma Surgery, Campus Bio-Medico University of Rome, Rome, Italy
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12
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Longo UG, Risi Ambrogioni L, Berton A, Candela V, Carnevale A, Schena E, Gugliemelli E, Denaro V. Physical therapy and precision rehabilitation in shoulder rotator cuff disease. INTERNATIONAL ORTHOPAEDICS 2020; 44:893-903. [PMID: 32157371 DOI: 10.1007/s00264-020-04511-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 02/19/2020] [Indexed: 01/16/2023]
Abstract
PURPOSE To describe the main features of the rehabilitation protocols for RC disease based on the phases of tendon healing and to investigate about the use of wearable devices as monitoring systems. METHODS We performed a comprehensive search of PubMed, Medline, Cochrane, CINAHL, and EMBASE databases using various combination of the keywords "rotator cuff," "rotator cuff tear," "rehabilitation protocol," "accelerated," "conservative," "stiffness," "exercises," and "wearable devices." All articles concerning precision orthopaedic rehabilitation therapy in rotator cuff disease were retrieved. RESULTS To date, rehabilitation protocols are not comparable due to wide heterogeneity of RC diseases. Wearable technologies are becoming a revolutionary tool for movement and posture monitoring. CONCLUSION Rehabilitation protocols for RC disease should be tailored on the basis of the different phases of tendon healing. Wearable devices hold the promise to offer a new outlook for long-term follow-up during the postoperative period providing information to the clinician about patient's status.
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Affiliation(s)
- Umile Giuseppe Longo
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Trigoria, 00128, Rome, Italy.
| | - Laura Risi Ambrogioni
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Trigoria, 00128, Rome, Italy
| | - Alessandra Berton
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Trigoria, 00128, Rome, Italy
| | - Vincenzo Candela
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Trigoria, 00128, Rome, Italy
| | - Arianna Carnevale
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Trigoria, 00128, Rome, Italy.,Laboratory of Measurement and Biomedical Instrumentation, Campus Bio-Medico University, Rome, Italy
| | - Emiliano Schena
- Laboratory of Measurement and Biomedical Instrumentation, Campus Bio-Medico University, Rome, Italy
| | - Eugenio Gugliemelli
- Laboratory of Biomedical Robotics, Campus Bio-Medico University, Rome, Italy
| | - Vincenzo Denaro
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Trigoria, 00128, Rome, Italy
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13
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Longo UG, Candela V, Berton A, Salvatore G, Guarnieri A, DeAngelis J, Nazarian A, Denaro V. Genetic basis of rotator cuff injury: a systematic review. BMC MEDICAL GENETICS 2019; 20:149. [PMID: 31477042 PMCID: PMC6720871 DOI: 10.1186/s12881-019-0883-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Accepted: 08/26/2019] [Indexed: 01/02/2023]
Abstract
Background Rotator cuff disease is a widespread musculoskeletal pathology and a major cause of shoulder pain. Studies on familial predisposition suggest that genetic plays a role in the pathogenesis of rotator cuff disease. Several genes are responsible for rotator cuff disease. The aim of this study was to perform a systematic review on genetic association between rotator cuff disease and genes variations. Methods A systematic review of the literature was performed, in accordance with the PRISMA guidelines. PubMed, Medline, CINAHL, Cochrane, Embase and Google Scholar databases were searched comprehensively using the keywords: “Rotator cuff”, “Gene”, “Genetic”, “Predisposition”, “Single-nucleotide polymorphism” and “Genome-wide association”. Results 8 studies investigating genes variations associated with rotator cuff tears were included in this review. 6 studies were case-control studies on candidate genes and 2 studies were GWASs. A significant association between SNPs and rotator cuff disease was found for DEFB1, FGFR1, FGFR3, ESRRB, FGF10, MMP-1, TNC, FCRL3, SASH1, SAP30BP, rs71404070 located next to cadherin8. Contradictory results were reported for MMP-3. Conclusion Further investigations are warranted to identify complete genetic profiles of rotator cuff disease and to clarify the complex interaction between genes, encoded proteins and environment. This may lead to individualized strategies for prevention and treatment of rotator cuff disease. Level of evidence Level IV, Systematic Review.
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Affiliation(s)
- Umile Giuseppe Longo
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Trigoria, 00128, Rome, Italy.
| | - Vincenzo Candela
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Trigoria, 00128, Rome, Italy
| | - Alessandra Berton
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Trigoria, 00128, Rome, Italy
| | - Giuseppe Salvatore
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Trigoria, 00128, Rome, Italy
| | - Andrea Guarnieri
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Trigoria, 00128, Rome, Italy
| | - Joseph DeAngelis
- Carl J. Shapiro Department of Orthopaedic Surgery and Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Ara Nazarian
- Carl J. Shapiro Department of Orthopaedic Surgery and Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Vincenzo Denaro
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Trigoria, 00128, Rome, Italy
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14
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Longo UG, Facchinetti G, Marchetti A, Candela V, Risi Ambrogioni L, Faldetta A, De Marinis MG, Denaro V. Sleep Disturbance and Rotator Cuff Tears: A Systematic Review. ACTA ACUST UNITED AC 2019; 55:medicina55080453. [PMID: 31398952 PMCID: PMC6723368 DOI: 10.3390/medicina55080453] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 08/01/2019] [Accepted: 08/05/2019] [Indexed: 12/21/2022]
Abstract
Background and Objectives: Sleep disorders are one of the most common complaints of patients with rotator cuff (RC) tears. However, potential correlations between the treatment of RC tears and the causal factors of sleep disorders are still under discussion. The aim of this review is to evaluate quality of sleep in patients before and after surgery for RC tears and to identify which factors affected patients’ sleep. Materials and Methods: A systematic review was conducted. To provide high quality of the review, the included studies were evaluated with the standardized tool “Quality Assessment Tool for Quantitative Studies” developed by the Effective Public Health Practice Project. Results: The search strategy yielded 78 articles. After duplicate removal and titles, abstracts and full-texts review, four studies were included in the systematic review. Concerning shoulder function, the most frequently reported scale was the Simple Shoulder Test (SST). Regarding sleep quality, the most frequently reported score was the Pittsburgh Sleep Quality Index (PSQI). Conclusion: We found that the majority of patients with RC tears had a sleep disturbance, especially before surgery with a general improvement in sleep quality post-operatively. Moreover, sleep quality was correlated with pain and it also seems that factors as comorbidities, obligatory position during night time, preoperative and prolonged postoperative use of narcotics and psychiatric issues may play an important role in sleep quality.
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Affiliation(s)
- Umile Giuseppe Longo
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, 00128 Rome, Italy.
| | | | - Anna Marchetti
- Research Unit of Nursing Science, Campus Bio-Medico University, 00128 Rome, Italy
| | - Vincenzo Candela
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, 00128 Rome, Italy
| | - Laura Risi Ambrogioni
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, 00128 Rome, Italy
| | - Aurora Faldetta
- Research Unit of Nursing Science, Campus Bio-Medico University, 00128 Rome, Italy
| | | | - Vincenzo Denaro
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, 00128 Rome, Italy
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Conservative Rehabilitation Provides Superior Clinical Results Compared to Early Aggressive Rehabilitation for Rotator Cuff Repair: A Retrospective Comparative Study. ACTA ACUST UNITED AC 2019; 55:medicina55080402. [PMID: 31344884 PMCID: PMC6723961 DOI: 10.3390/medicina55080402] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 07/17/2019] [Accepted: 07/22/2019] [Indexed: 01/08/2023]
Abstract
Background and objectives: To compare the long term clinical outcomes, range of motion (ROM) and strength of two different postoperative rehabilitation protocols after arthroscopic rotator cuff repair (RCR) for full-thickness rotator cuff (RC) tears. Materials and Methods: Patients undergoing RCR were divided into two groups. In 51 patients (56 shoulders), rehabilitation was performed without passive external rotation, anterior elevation ROM, and active pendulum exercises in the first 2 weeks after surgery (Group A). In 49 patients (50 shoulders) aggressive rehabilitation was implemented, with early free passive external rotation, anterior elevation ROM, and active pendulum exercises were allowed from the day after surgery (Group A). Results: No statistically significant differences were found in clinical scores, muscle strength, passive forward flexion, passive and active internal/external rotation between the two groups. However, the mean active forward flexion was 167.3° ± 26° (range 90–180°) in group A and 156.5° ± 30.5° (range 90–180°) in group B (p = 0.04). Conclusions: A statistically significant difference between the 2 groups was found in active forward flexion ROM, which was better in patients of group A.
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16
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Chen JM, Zhang QS, Li XY, Gong X, Ruan YJ, Zeng SJ, Lu LL, Qi XX, Wang Y, Hu M, Zhu LJ, Liu ZQ. Tissue Distribution and Gender-Specific Protein Expression of Cytochrome P450 in five Mouse Genotypes with a Background of FVB. Pharm Res 2018; 35:114. [DOI: 10.1007/s11095-018-2389-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 03/14/2018] [Indexed: 01/21/2023]
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Development of a vibration haptic simulator for shoulder arthroplasty. Int J Comput Assist Radiol Surg 2018; 13:1049-1062. [PMID: 29551012 DOI: 10.1007/s11548-018-1734-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Accepted: 03/09/2018] [Indexed: 12/25/2022]
Abstract
PURPOSE Glenoid reaming is a technically challenging step during shoulder arthroplasty that could possibly be learned during simulation training. Creation of a realistic simulation using vibration feedback in this context is innovative. Our study focused on the development and internal validation of a novel glenoid reaming simulator for potential use as a training tool. METHODS Vibration and force profiles associated with glenoid reaming were quantified during a cadaveric experiment. Subsequently, a simulator was fabricated utilizing a haptic vibration transducer with high- and low-fidelity amplifiers; system calibration was performed matching vibration peak-peak values for both amplifiers. Eight experts performed simulated reaming trials. The experts were asked to identify isolated layer profiles produced by the simulator. Additionally, experts' efficiency to successfully perform a simulated glenoid ream based solely on vibration feedback was recorded. RESULTS Cadaveric experimental cartilage reaming produced lower vibrations compared to subchondral and cancellous bones ([Formula: see text]). Gain calibration of a lower-fidelity (3.5 [Formula: see text] and higher-fidelity (3.4 [Formula: see text] amplifier resulted in values similar to the cadaveric experimental benchmark (3.5 [Formula: see text]. When identifying random tissue layer samples, experts were correct [Formula: see text] of the time and success rate varied with tissue type ([Formula: see text]). During simulated reaming, the experts stopped at the targeted subchondral bone with a success rate of [Formula: see text]. The fidelity of the simulation did not have an effect on accuracy, applied force, or reaming time ([Formula: see text]). However, the applied force tended to increase with trial number ([Formula: see text]). CONCLUSIONS Development of the glenoid reaming simulator, coupled with expert evaluation furthered our understanding of the role of haptic vibration feedback during glenoid reaming. This study was the first to (1) propose, develop and examine simulated glenoid reaming, and (2) explore the use of haptic vibration feedback in the realm of shoulder arthroplasty.
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Chen J, Zhu L, Li X, Zheng H, Yan T, Xie C, Zeng S, Yu J, Jiang H, Lu L, Qi X, Wang Y, Hu M, Liu Z. High-Throughput and Reliable Isotope Label-free Approach for Profiling 24 Metabolic Enzymes in FVB Mice and Sex Differences. Drug Metab Dispos 2017; 45:624-634. [DOI: 10.1124/dmd.116.074682] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 03/22/2017] [Indexed: 02/05/2023] Open
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Oliva F, Piccirilli E, Berardi AC, Frizziero A, Tarantino U, Maffulli N. Hormones and tendinopathies: the current evidence. Br Med Bull 2016; 117:39-58. [PMID: 26790696 DOI: 10.1093/bmb/ldv054] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/30/2015] [Indexed: 12/17/2022]
Abstract
BACKGROUND Tendinopathies negatively affect the quality of life of millions of people, but we still do not know the factors involved in the development of tendon conditions. SOURCES OF DATA Published articles in English in PubMed and Google Scholar up to June 2015 about hormonal influence on tendinopathies onset. One hundred and two papers were included following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. AREAS OF AGREEMENT In vitro and in vivo, tenocytes showed changes in their morphology and in their functional properties according to hormonal imbalances. AREAS OF CONTROVERSY Genetic pattern, sex, age and comorbidities can influence the hormonal effect on tendons. GROWING POINTS The increasing prevalence of metabolic disorders prompts to investigate the possible connection between metabolic problems and musculoskeletal diseases. AREAS TIMELY FOR DEVELOPING RESEARCH The influence of hormones on tendon structure and metabolism needs to be further investigated. If found to be significant, multidisciplinary preventive and therapeutic strategies should then be developed.
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Affiliation(s)
- Francesco Oliva
- Department of Orthopaedics and Traumatology, University of Rome 'Tor Vergata', Roma, Italy
| | - Eleonora Piccirilli
- School of Specialization of Orthopaedics and Traumatology, University of Rome 'Tor Vergata', Roma, Italy
| | - Anna C Berardi
- UOC Immunohematology and Transfusion Medicine Laboratories, Laboratory of Stem Cells, Spirito Santo Hospital, Pescara, Italy
| | - Antonio Frizziero
- Department of Physical and Rehabilitation Medicine, University of Padua, Padua, Italy
| | - Umberto Tarantino
- Department of Orthopaedics and Traumatology, University of Rome 'Tor Vergata', Roma, Italy
| | - Nicola Maffulli
- Centre for Sports and Exercise Medicine, Queen Mary University of London Barts, London, UK The London School of Medicine and Dentistry, Mile End Hospital London, London, UK Department of Physical and Rehabilitation Medicine, University of Salerno, Fisciano, Italy
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Santago AC, Plate JF, Shively CA, Register TC, Smith TL, Saul KR. Age-related structural changes in upper extremity muscle tissue in a nonhuman primate model. J Shoulder Elbow Surg 2015; 24:1660-8. [PMID: 25963066 PMCID: PMC4575823 DOI: 10.1016/j.jse.2015.03.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Revised: 03/09/2015] [Accepted: 03/18/2015] [Indexed: 02/01/2023]
Abstract
BACKGROUND Longitudinal studies of upper extremity aging in humans include logistical concerns that animal models can overcome. The vervet is a promising species with which to study aging-related processes. However, age-related changes in upper extremity muscle structure have not been quantified in this species. This study measured age-related changes to muscle structure, examined relationships between muscle structure and measures of physical performance, and evaluated the presence of rotator cuff tears. METHODS Muscle structure (volume, optimal fiber length, and physiologic cross-sectional area (PCSA)) of 10 upper extremity muscles was quantified from the right upper limb of 5 middle-aged and 6 older adult female vervets. RESULTS Total measured PCSA was smaller (P = .001) in the older adult vervets than in the middle-aged vervets. Muscle volume reduction predominate the age-related reductions in PCSA. Total measured PCSA was not correlated to any measures of physical performance. No rotator cuff tears were observed. Supraspinatus volume was relatively larger and deltoid volume relatively smaller in the vervet compared with a human. CONCLUSIONS The vervet is an appropriate translational model for age-related upper extremity muscle volume loss. Functional measures were not correlated to PCSA, suggesting the vervets may have enough strength for normal function despite loss of muscle tissue. Reduced relative demand on the supraspinatus may be responsible for the lack of naturally occurring rotator cuff tears.
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Affiliation(s)
- Anthony C Santago
- Virginia Tech-Wake Forest School of Biomedical Engineering and Sciences, Winston-Salem, NC, USA; Department of Biomedical Engineering, Wake Forest School of Medicine, Winston-Salem, NC, USA; Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC, USA
| | - Johannes F Plate
- Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Carol A Shively
- Department of Pathology (Comparative Medicine) and the Wake Forest Primate Center, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Thomas C Register
- Department of Pathology (Comparative Medicine) and the Wake Forest Primate Center, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Thomas L Smith
- Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Katherine R Saul
- Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC, USA.
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Thibbotuwawa N, Oloyede A, Senadeera W, Li T, Gu Y. Investigation of the mechanical behavior of kangaroo humeral head cartilage tissue by a porohyperelastic model based on the strain-rate-dependent permeability. J Mech Behav Biomed Mater 2015; 51:248-59. [PMID: 26275487 DOI: 10.1016/j.jmbbm.2015.07.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Revised: 07/07/2015] [Accepted: 07/20/2015] [Indexed: 10/23/2022]
Abstract
Solid-interstitial fluid interaction, which depends on tissue permeability, is significant to the strain-rate-dependent mechanical behavior of humeral head (shoulder) cartilage. Due to anatomical and biomechanical similarities to that of the human shoulder, kangaroos present a suitable animal model. Therefore, indentation experiments were conducted on kangaroo shoulder cartilage tissues from low (10(-4)/s) to moderately high (10(-2)/s) strain-rates. A porohyperelastic model was developed based on the experimental characterization; and a permeability function that takes into account the effect of strain-rate on permeability (strain-rate-dependent permeability) was introduced into the model to investigate the effect of rate-dependent fluid flow on tissue response. The prediction of the model with the strain-rate-dependent permeability was compared with those of the models using constant permeability and strain-dependent permeability. Compared to the model with constant permeability, the models with strain-dependent and strain-rate-dependent permeability were able to better capture the experimental variation at all strain-rates (p < 0.05). Significant differences were not identified between models with strain-dependent and strain-rate-dependent permeability at strain-rate of 5 × 10(-3)/s (p = 0.179). However, at strain-rate of 10(-2)/s, the model with strain-rate-dependent permeability was significantly better at capturing the experimental results (p < 0.005). The findings thus revealed the significance of rate-dependent fluid flow on tissue behavior at large strain-rates, which provides insights into the mechanical deformation mechanisms of cartilage tissues.
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Affiliation(s)
- Namal Thibbotuwawa
- School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology(QUT), GPO Box 2434, Brisbane, QLD 4001, Australia
| | - Adekunle Oloyede
- School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology(QUT), GPO Box 2434, Brisbane, QLD 4001, Australia
| | - Wijitha Senadeera
- School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology(QUT), GPO Box 2434, Brisbane, QLD 4001, Australia
| | - Tong Li
- School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology(QUT), GPO Box 2434, Brisbane, QLD 4001, Australia
| | - YuanTong Gu
- School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology(QUT), GPO Box 2434, Brisbane, QLD 4001, Australia.
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Capito NM, Smith MJ, Stoker AM, Werner N, Cook JL. Hyperosmolar irrigation compared with a standard solution in a canine shoulder arthroscopy model. J Shoulder Elbow Surg 2015; 24:1243-8. [PMID: 25725966 DOI: 10.1016/j.jse.2014.12.027] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2014] [Revised: 12/09/2014] [Accepted: 12/23/2014] [Indexed: 02/01/2023]
Abstract
BACKGROUND A hyperosmolar irrigation solution may decrease fluid extravasation during arthroscopic procedures. Demonstrating the safety of a hyperosmolar irrigation solution with respect to chondrocyte viability and cartilage water content was deemed necessary before designing a clinical efficacy study. METHODS We designed a translational animal model study in which hyperosmolar arthroscopy irrigation fluid (1.8%, 600 mOsm/L) was compared with normal saline (0.9%, 300 mOsm/L). Purpose-bred research dogs (n = 5) underwent bilateral shoulder arthroscopy. Irrigation fluid was delivered to each shoulder joint (n = 10) at 40 mm Hg for 120 minutes using standard ingress and egress portals. The percentage change in shoulder girth was documented at the completion of 120 minutes. Articular cartilage sections from the glenoid and humeral head were harvested from both shoulders. Chondrocyte viability and tissue water content were evaluated. Differences between groups and compared with time 0 controls were determined, with significance set at P <.05. RESULTS The mean percentage change in shoulder girth was higher in the isotonic control group (13.3%) than in the hyperosmolar group (10.4%). Chondrocyte viability and tissue water content for glenoid and humeral head cartilage were well maintained in both treatment groups, and differences were not statistically significant. CONCLUSIONS The data from this study suggest that doubling the osmolarity of the standard irrigation solution used for arthroscopy was not associated with any detrimental effects on chondrocyte viability or tissue water content after 2 hours of arthroscopic irrigation. On the basis of potential benefits in conjunction with the safety demonstrated in these data, clinical evaluation of a hyperosmolar solution for irrigation during shoulder arthroscopy appears warranted.
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Affiliation(s)
- Nicholas M Capito
- Department of Orthopaedics, University of Missouri, Columbia, MO, USA.
| | - Matthew J Smith
- Department of Orthopaedics, University of Missouri, Columbia, MO, USA
| | - Aaron M Stoker
- Department of Orthopaedics, University of Missouri, Columbia, MO, USA
| | - Nikki Werner
- Department of Orthopaedics, University of Missouri, Columbia, MO, USA
| | - James L Cook
- Department of Orthopaedics, University of Missouri, Columbia, MO, USA
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Pownder SL, Shah PH, Potter HG, Koff MF. The effect of freeze-thawing on magnetic resonance imaging T2* of freshly harvested bovine patellar tendon. Quant Imaging Med Surg 2015; 5:368-73. [PMID: 26029639 DOI: 10.3978/j.issn.2223-4292.2015.03.14] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Accepted: 03/06/2015] [Indexed: 11/14/2022]
Abstract
BACKGROUND Analysis of fresh specimens in research studies is ideal; however, it is often necessary to freeze samples for evaluation at a later time. Limited evaluation of the effect of freeze-thawing of tendon tissue samples on inherent magnetic resonance imaging (MRI) parameters, such as ultrashort echo time (UTE) T2* values, have been performed to date. METHODS This study performed UTE MRI on 14 bovine patellar tendons at harvest and after four consecutive freeze-thaw cycles. RESULTS Results demonstrated a small but significant reduction (12%) in tendon T2* values after the first freeze thaw cycle, but not after successive cycles. Tendons from juvenile animals with open physis had a significant reduction of T2* following a single freeze thaw cycle, P<0.0001. CONCLUSIONS The results of this study emphasize the importance of using uniform tendon storage protocols when using UTE MRI in preclinical models.
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Affiliation(s)
- Sarah L Pownder
- MRI Laboratory, Hospital for Special Surgery, New York, NY 10021, USA
| | - Parina H Shah
- MRI Laboratory, Hospital for Special Surgery, New York, NY 10021, USA
| | - Hollis G Potter
- MRI Laboratory, Hospital for Special Surgery, New York, NY 10021, USA
| | - Matthew F Koff
- MRI Laboratory, Hospital for Special Surgery, New York, NY 10021, USA
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Kabuto Y, Morihara T, Sukenari T, Kida Y, Oda R, Arai Y, Sawada K, Matsuda KI, Kawata M, Tabata Y, Fujiwara H, Kubo T. Stimulation of Rotator Cuff Repair by Sustained Release of Bone Morphogenetic Protein-7 Using a Gelatin Hydrogel Sheet. Tissue Eng Part A 2015; 21:2025-33. [PMID: 25819324 DOI: 10.1089/ten.tea.2014.0541] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Bone morphogenetic protein-7 (BMP-7) promotes not only osteogenesis but also matrix production in chondrocytes and tenocytes. However, because of its short half-life, maintaining local concentrations of BMP-7 is difficult. We examined the use of a gelatin hydrogel sheet (GHS) for the sustained release of BMP-7 in stimulating rotator cuff repair at the tendon-to-bone insertion. Twelve-week-old male Sprague-Dawley rats were used. Radiolabeled BMP-7 ((125)I-BMP-7) was injected into the subacromial bursa in the (125)I-BMP-7 group, whereas a GHS impregnated with (125)I-BMP-7 was implanted on the tendon attached to the tendon-to-bone insertion in the (125)I-BMP-7+GHS group. Levels of (125)I-BMP-7 in the tendon-to-bone insertion were assessed at 1, 3, 7, 14, and 21 postoperative days. The BMP-7 concentrations were significantly higher in the (125)I-BMP-7+GHS group than in the (125)I-BMP-7 group. Next, the bilateral supraspinatus tendons were resected and sutured to the greater tuberosity of the humerus using the Mason-Allen technique. Treatment groups were created as follows: either phosphate-buffered saline (PBS) or BMP-7 was injected into the subacromial bursa in the PBS and BMP-7 groups, whereas a GHS impregnated with either PBS or BMP-7 was implanted on the repaired tendon attached to the tendon-to-bone insertion in the PBS+GHS and BMP-7+GHS groups. The resected specimens were stained at 2, 4, and 8 postoperative weeks with hematoxylin and eosin as well as Safranin O, and tissue repair was evaluated histologically by using the tendon-to-bone maturing score. Tissue repair was assessed biomechanically at 4 and 8 postoperative weeks. The BMP-7+GHS group at 8 postoperative weeks demonstrated a favorable cartilage matrix production and tendon orientation; moreover, the tendon-to-bone maturing score and the ultimate force-to-failure were the highest in this group. The ability of GHS to provide controlled release of various growth factors has been previously reported. We confirmed that the GHS releases BMP-7 in a sustained manner in the rat shoulder joint. At 8 postoperative weeks, the repaired tissue was mostly restored, both histologically and biomechanically, in the BMP-7+GHS group. We therefore conclude that the sustained release of BMP-7 from a GHS can stimulate rotator cuff repair.
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Affiliation(s)
- Yukichi Kabuto
- 1 Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine , Kyoto, Japan
| | - Toru Morihara
- 1 Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine , Kyoto, Japan
| | - Tsuyoshi Sukenari
- 1 Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine , Kyoto, Japan
| | - Yoshikazu Kida
- 1 Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine , Kyoto, Japan
| | - Ryo Oda
- 1 Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine , Kyoto, Japan
| | - Yuji Arai
- 1 Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine , Kyoto, Japan
| | - Koshiro Sawada
- 1 Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine , Kyoto, Japan
| | - Ken-Ichi Matsuda
- 2 Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine , Kyoto, Japan
| | - Mitsuhiro Kawata
- 2 Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine , Kyoto, Japan
| | - Yasuhiko Tabata
- 3 Department of Biomaterials, Institute for Frontier Medical Sciences, Kyoto University , Kyoto, Japan
| | - Hiroyoshi Fujiwara
- 1 Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine , Kyoto, Japan
| | - Toshikazu Kubo
- 1 Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine , Kyoto, Japan
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Jacobsen E, Dart AJ, Mondori T, Horadogoda N, Jeffcott LB, Little CB, Smith MM. Focal experimental injury leads to widespread gene expression and histologic changes in equine flexor tendons. PLoS One 2015; 10:e0122220. [PMID: 25837713 PMCID: PMC4383631 DOI: 10.1371/journal.pone.0122220] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2014] [Accepted: 02/19/2015] [Indexed: 01/15/2023] Open
Abstract
It is not known how extensively a localised flexor tendon injury affects the entire tendon. This study examined the extent of and relationship between histopathologic and gene expression changes in equine superficial digital flexor tendon after a surgical injury. One forelimb tendon was hemi-transected in six horses, and in three other horses, one tendon underwent a sham operation. After euthanasia at six weeks, transected and control (sham and non-operated contralateral) tendons were regionally sampled (medial and lateral halves each divided into six 3 cm regions) for histologic (scoring and immunohistochemistry) and gene expression (real time PCR) analysis of extracellular matrix changes. The histopathology score was significantly higher in transected tendons compared to control tendons in all regions except for the most distal (P ≤ 0.03) with no differences between overstressed (medial) and stress-deprived (lateral) tendon halves. Proteoglycan scores were increased by transection in all but the most proximal region (P < 0.02), with increased immunostaining for aggrecan, biglycan and versican. After correcting for location within the tendon, gene expression for aggrecan, versican, biglycan, lumican, collagen types I, II and III, MMP14 and TIMP1 was increased in transected tendons compared with control tendons (P < 0.02) and decreased for ADAMTS4, MMP3 and TIMP3 (P < 0.001). Aggrecan, biglycan, fibromodulin, and collagen types I and III expression positively correlated with all histopathology scores (P < 0.001), whereas lumican, ADAMTS4 and MMP14 expression positively correlated only with collagen fiber malalignment (P < 0.001). In summary, histologic and associated gene expression changes were significant and widespread six weeks after injury to the equine SDFT, suggesting rapid and active development of tendinopathy throughout the entire length of the tendon. These extensive changes distant to the focal injury may contribute to poor functional outcomes and re-injury in clinical cases. Our data suggest that successful treatments of focal injuries will need to address pathology in the entire tendon, and that better methods to monitor the development and resolution of tendinopathy are required.
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Affiliation(s)
- Else Jacobsen
- Research and Clinical Training Unit, University Veterinary Teaching Hospital, University of Sydney, Camden, New South Wales, Australia
| | - Andrew J. Dart
- Research and Clinical Training Unit, University Veterinary Teaching Hospital, University of Sydney, Camden, New South Wales, Australia
| | - Takamitsu Mondori
- Raymond Purves Bone and Joint Research Laboratories, Institute of Bone and Joint Research, Kolling Institute of Medical Research (University of Sydney) at Royal North Shore Hospital, St. Leonards, New South Wales, Australia
| | - Neil Horadogoda
- Research and Clinical Training Unit, University Veterinary Teaching Hospital, University of Sydney, Camden, New South Wales, Australia
| | - Leo B. Jeffcott
- Research and Clinical Training Unit, University Veterinary Teaching Hospital, University of Sydney, Camden, New South Wales, Australia
| | - Christopher B. Little
- Raymond Purves Bone and Joint Research Laboratories, Institute of Bone and Joint Research, Kolling Institute of Medical Research (University of Sydney) at Royal North Shore Hospital, St. Leonards, New South Wales, Australia
| | - Margaret M. Smith
- Raymond Purves Bone and Joint Research Laboratories, Institute of Bone and Joint Research, Kolling Institute of Medical Research (University of Sydney) at Royal North Shore Hospital, St. Leonards, New South Wales, Australia
- * E-mail:
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Patterson-Kane JC, Rich T. Achilles tendon injuries in elite athletes: lessons in pathophysiology from their equine counterparts. ILAR J 2015; 55:86-99. [PMID: 24936032 DOI: 10.1093/ilar/ilu004] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Superficial digital flexor tendon (SDFT) injury in equine athletes is one of the most well-accepted, scientifically supported companion animal models of human disease (i.e., exercise-induced Achilles tendon [AT] injury). The SDFT and AT are functionally and clinically equivalent (and important) energy-storing structures for which no equally appropriate rodent, rabbit, or other analogues exist. Access to equine tissues has facilitated significant advances in knowledge of tendon maturation and aging, determination of specific exercise effects (including early life), and definition of some of the earliest stages of subclinical pathology. Access to human surgical biopsies has provided complementary information on more advanced phases of disease. Importantly, equine SDFT injuries are only a model for acute ruptures in athletes, not the entire spectrum of human tendonopathy (including chronic tendon pain). In both, pathology begins with a potentially prolonged phase of accumulation of (subclinical) microdamage. Recent work has revealed remarkably similar genetic risk factors, including further evidence that tenocyte dysfunction plays an active role. Mice are convenient but not necessarily accurate models for multiple diseases, particularly at the cellular level. Mechanistic studies, including tendon cell responses to combinations of exercise-associated stresses, require a more thorough investigation of cross-species conservation of key stress pathway auditors. Molecular evidence has provided some context for the poor performance of mouse models; equines may provide better systems at this level. The use of horses may be additionally justifiable based on comparable species longevity, lifestyle factors, and selection pressure by similar infectious agents (e.g., herpesviruses) on general cell stress pathway evolution.
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27
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Abrasive properties of braided polyblend sutures in cuff tendon repair: an in vitro biomechanical study exploring regular and tape sutures. Arthroscopy 2014; 30:1569-73. [PMID: 25150407 DOI: 10.1016/j.arthro.2014.06.018] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2013] [Revised: 06/12/2014] [Accepted: 06/13/2014] [Indexed: 02/02/2023]
Abstract
PURPOSE This study aimed to evaluate the abrasive properties of different suture materials (tape or regular) on the infraspinatus tendon of sheep. METHODS Four types of sutures were compared: FiberWire (Arthex, Naples FL), FiberTape (Arthrex), Orthocord (DePuy Mitek, Raynham, MA) and ForceFiber (Tornier, Bloomington, MN). Each suture (n = 10) was cycled with a filxed load of 10 N and an alternating motion of the suture through sheep infraspinatus tendon, with an excursion of 30 mm. The migration of the suture as it cut through the tissue was measured at intervals of 5 cycles, up to failure or a total of 50 cycles, or a tendon tear greater than 13 mm. RESULTS ForceFiber and Orthocord sutures showed a significantly (P < .05) lower amount of abrasion compared with FiberWire and FiberTape: The mean cutting rate (defined as the size of the defect at the end of the test divided by 50 when this number of cycles was reached, or as 13 mm divided by the number of cycles to reach this value when the test was stopped before 50 cycles) was, respectively, 0.04 mm/cycle, 0.12 mm/cycle, 0.11 mm/cycle, 0.32 mm/cycle, and 0.25 mm/cycle. The defect size at 15 cycles was, respectively, 5.7 mm, 5.6 mm, 9.4 mm, 7.7 mm, and 7.4 mm. Although no statistical significance was found, sutures shaped in a tape form (FiberTape) were less aggressive on the tendon than the corresponding sutures in regular form (FiberWire). CONCLUSIONS This study found increased abrasive effects of FiberWire and FiberTape compared with ForceFiber and Orthocord sutures. CLINICAL RELEVANCE Currently, surgeons have a large choice of suture materials. Knowledge of biomechanical characteristics of different braided polyblend suture materials could help surgeons decide which suture to use for rotator cuff tears.
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Zhou B, Zhou Y, Tang K. An overview of structure, mechanical properties, and treatment for age-related tendinopathy. J Nutr Health Aging 2014; 18:441-8. [PMID: 24676328 DOI: 10.1007/s12603-014-0026-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Tendons transfer tensile loads from muscle to bone, which enable joint motions and stabilize joints. Tendons sustain large mechanical loads in vivo and as a result, tendons were frequently injured. Aging has been confirmed as a predisposing factor of tendinopathy and bad recovery quality following tendon repair. Current treatment methods are generally not effective and involve either symptomatic relief with non-steroidal antiinflammatory drugs and physical therapy or surgery when conservative treatments failed. The limitation in treatment options is due to our incomplete knowledge of age-related tendinopathy. Studies over the past decades have uncovered a number of important mechanical and cellular changes of aging tendon. However, the basis of aging as a major risk factor for tendon injury and impaired tendon healing remained poorly understood. The objectives of this review are to provide an overview of the current knowledge about the aging-associated changes of structure, mechanical properties and treatment in tendon and highlight causes and therapies for age-related tendinopathy.
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Affiliation(s)
- B Zhou
- Kanglai Tang, MD/PhD; E-mail:
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29
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Abstract
The intrasynovial bone-tendon interface is a gradual transition from soft tissue to bone, with two intervening zones of uncalcified and calcified fibrocartilage. Following injury, the native anatomy is not restored, resulting in inferior mechanical properties and an increased risk of re-injury. Recent in vivo studies provide evidence of improved healing when surgical repair of the bone-tendon interface is augmented with cells capable of undergoing chondrogenesis. In particular, cellular therapy in bone-tendon healing can promote fibrocartilage formation and associated improvements in mechanical properties. Despite these promising results in animal models, cellular therapy in human patients remains largely unexplored. This review highlights the development and structure-function relationship of normal bone-tendon insertions. The natural healing response to injury is discussed, with subsequent review of recent research on cellular approaches for improved healing. Finally, opportunities for translating in vivo findings into clinical practice are identified.
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Affiliation(s)
- Benjamin B Rothrauff
- Center for Cellular and Molecular Engineering; Department of Orthopaedic Surgery; University of Pittsburgh School of Medicine; Pittsburgh, PA USA
| | - Rocky S Tuan
- Center for Cellular and Molecular Engineering; Department of Orthopaedic Surgery; University of Pittsburgh School of Medicine; Pittsburgh, PA USA
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30
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Plate JF, Bates CM, Mannava S, Smith TL, Jorgensen MJ, Register TC, Stehle JR, High KP, Shively CA, Kaplan JR, Saul KR, Tuohy CJ. Age-related degenerative functional, radiographic, and histological changes of the shoulder in nonhuman primates. J Shoulder Elbow Surg 2013; 22:1019-29. [PMID: 23352182 PMCID: PMC3679299 DOI: 10.1016/j.jse.2012.11.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2012] [Revised: 10/30/2012] [Accepted: 11/11/2012] [Indexed: 02/01/2023]
Abstract
BACKGROUND Nonhuman primates have similar shoulder anatomy and physiology compared to humans, and may represent a previously underutilized model for shoulder research. This study sought to identify naturally occurring bony and muscular degeneration in the shoulder of nonhuman primates and to assess relationships between structural and functional aspects of the shoulder and measures of physical function of the animals. We hypothesized that age-related degenerative changes in the shoulders of nonhuman primates would resemble those observed in aging humans. METHODS Middle-aged (n = 5; ages 9.4-11.8 years) and elderly (n = 6; ages 19.8-26.4 years) female vervet monkeys were studied for changes in mobility and shoulder function, and radiographic and histologic signs of age-related degeneration. RESULTS Four out of 6 (4/6) elderly animals had degenerative changes of the glenoid compared to 0/5 of the middle-aged animals (P = .005). Elderly animals had glenoid retroversion, decreased joint space, walked slower, and spent less time climbing and hanging than middle-aged vervets (P < .05). Physical mobility and shoulder function correlated with glenoid version angle (P < .05). Supraspinatus muscles of elderly animals were less dense (P = .001), had decreased fiber cross-sectional area (P < .001), but similar amounts of nuclear material (P = .085). Degenerative rotator cuff tears were not observed in any of the eleven animals. DISCUSSION AND CONCLUSION The vervet monkey naturally undergoes age-related functional, radiographic and histological changes of the shoulder, and may qualify as an animal model for selected translational research of shoulder osteoarthritis.
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Affiliation(s)
- Johannes F. Plate
- Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA,The Neuroscience Program, Wake Forest University Graduate School of Arts and Sciences, Winston-Salem, NC, USA
| | - Christopher M. Bates
- Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA,Department of Biomedical Engineering, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Sandeep Mannava
- Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA,The Neuroscience Program, Wake Forest University Graduate School of Arts and Sciences, Winston-Salem, NC, USA
| | - Thomas L. Smith
- Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Matthew J. Jorgensen
- Department of Pathology (Comparative Medicine) and the Wake Forest Primate Center, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Thomas C. Register
- Department of Pathology (Comparative Medicine) and the Wake Forest Primate Center, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - John R. Stehle
- Department of Internal Medicine, Gerontology and Geriatric Medicine ,Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Kevin P. High
- Department of Internal Medicine, Gerontology and Geriatric Medicine ,Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Carol A. Shively
- Department of Pathology (Comparative Medicine) and the Wake Forest Primate Center, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Jay R. Kaplan
- Department of Pathology (Comparative Medicine) and the Wake Forest Primate Center, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Katherine R. Saul
- Department of Biomedical Engineering, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Christopher J. Tuohy
- Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA
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Abstract
Experimental animals in biomedical research provide insights into disease mechanisms and models for determining the efficacy and safety of new therapies and for discovery of corresponding biomarkers. Although mouse and rat models are most widely used, observations in these species cannot always be faithfully extrapolated to human patients. Thus, a number of domestic species are additionally used in specific disease areas. This review summarizes the most important applications of domestic animal models and emphasizes the new possibilities genetic tailoring of disease models, specifically in pigs, provides.
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Affiliation(s)
- A Bähr
- Chair for Molecular Animal Breeding and Biotechnology, Department of Veterinary Sciences, Ludwig-Maximilians-Universität München, Munich, Germany
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Oliva F, Via AG, Maffulli N. Physiopathology of intratendinous calcific deposition. BMC Med 2012; 10:95. [PMID: 22917025 PMCID: PMC3482552 DOI: 10.1186/1741-7015-10-95] [Citation(s) in RCA: 122] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Accepted: 08/23/2012] [Indexed: 01/22/2023] Open
Abstract
In calcific tendinopathy (CT), calcium deposits in the substance of the tendon, with chronic activity-related pain, tenderness, localized edema and various degrees of decreased range of motion. CT is particularly common in the rotator cuff, and supraspinatus, Achilles and patellar tendons. The presence of calcific deposits may worsen the clinical manifestations of tendinopathy with an increase in rupture rate, slower recovery times and a higher frequency of post-operative complications. The aetiopathogenesis of CT is still controversial, but seems to be the result of an active cell-mediated process and a localized attempt of the tendon to compensate the original decreased stiffness. Tendon healing includes many sequential processes, and disturbances at different stages of healing may lead to different combinations of histopathological changes, diverting the normal healing processes to an abnormal pathway. In this review, we discuss the theories of pathogenesis behind CT. Better understanding of the pathogenesis is essential for development of effective treatment modalities and for improvement of clinical outcomes.
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Affiliation(s)
- Francesco Oliva
- Department of Orthopaedics and Traumatology, University of Rome 'Tor Vergata' School of Medicine, Viale Oxford 81, Rome, Italy
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Longo UG, Forriol F, Campi S, Maffulli N, Denaro V. A biomechanical comparison of the primary stability of two minimally invasive techniques for repair of ruptured Achilles tendon. Knee Surg Sports Traumatol Arthrosc 2012; 20:1392-7. [PMID: 22228376 DOI: 10.1007/s00167-011-1868-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2011] [Accepted: 12/29/2011] [Indexed: 12/28/2022]
Abstract
PURPOSE To compare the primary stability of two minimally invasive procedures of Achilles tendon (AT) repair, namely a modified percutaneous repair of ruptured AT and the Achillon suture configuration. METHODS Eighteen (nine matched pairs) frozen ovine ATs were tenotomized 5 cm from the calcaneal insertion. In each pair, one tendon was randomly allocated to one of the two techniques: a modified percutaneous repair group and the Achillon device suture configuration. Specimens were tested performing an unidirectional tensile load to failure using a servo-hydraulic testing device (MTS Systems, Eden Prairie, MN, USA), controlled by an electropulse e3000 INSTRON machine (Instron Ltd, Buckinghamshire, UK). The tendons were then loaded to failure at a rate of 10 mm/s. RESULTS Two of the nine pairs of specimens were discarded because one specimen for each of the pair pulled out of the pneumatic clamp during mechanical testing. The remaining seven matched pairs were successfully tested. There were no differences in mean strength, mean maximum load, mean failure elongation, tension, stiffness and mode of failure between the two groups. CONCLUSION The Achillon-like configuration and the modified percutaneous repair of ruptured AT provided similar biomechanical performance.
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Affiliation(s)
- Umile Giuseppe Longo
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128, Rome, Italy
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Longo UG, Loppini M, Denaro L, Maffulli N, Denaro V. Osteoporotic vertebral fractures: current concepts of conservative care. Br Med Bull 2012; 102:171-89. [PMID: 22130906 DOI: 10.1093/bmb/ldr048] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
INTRODUCTION Osteoporotic vertebral compression fractures (VCFs) are a growing public health problem with important socio-economic effects in western countries. In the USA, 10 million people over 50 suffer from osteoporosis. In these patients, 1.5 million annual fractures have been registered, and 50% of these are vertebral compression. SOURCES OF DATA We performed a comprehensive search of PubMed, Medline, Cochrane, CINAHL and Embase databases using various combinations of the keywords 'osteoporosis', 'vertebral compression fractures', 'brace', 'bracing', 'orthosis', 'conservative management' and 'rehabilitation' over the years 1966-2011. All articles relevant to the subject were retrieved, and their bibliographies were hand searched for further references in the context of conservative management of osteoporotic vertebral fractures. AREAS OF AGREEMENT Conservative management for patients with osteoporotic vertebral fractures includes bed rest, pain medication, physiotherapy and bracing. AREAS OF CONTROVERSY A conservative management for patients with osteoporotic VCFs s has not been standardized. The utility of vertebral augmentation techniques has been questioned by recent randomized controlled trials. GROWING POINTS Randomized controlled trials are being performed worldwide on vertebral augmentation techniques. AREAS TIMELY FOR DEVELOPING RESEARCH Although spinal orthoses are commonly used for the management of patients with osteoporotic vertebral fractures, in the literature there is only one randomized controlled trial on bracing for this condition. While the best conservative management for subjects with osteoporotic VCFs s is not defined and standardized, no conclusions on the superiority of vertebral augmentation techniques over conservative management can be drawn.
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Affiliation(s)
- Umile Giuseppe Longo
- Department of Orthopaedic and Trauma Surgery, Campus Biomedico University, Trigoria Rome, Italy
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Latissimus dorsi tendon transfer for massive irreparable rotator cuff tears: a systematic review. Sports Med Arthrosc Rev 2012; 19:428-37. [PMID: 22089293 DOI: 10.1097/jsa.0b013e3182390639] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Tendon transfers have been proposed as a possible solution to restore pain-free functions, strength, and range of motion in patients with massive and irreparable cuff tears. The aim of this review is to establish the outcomes of (1) latissimus dorsi tendon transfer (LDT-T) surgery performed as a single procedure or in combination with other muscle-tendon transfer procedures, replacement, or both; (2) LDT-T in primary and revision surgery for massive irreparable rotator cuff tears; (3) the LDT-T procedure in relation to subscapularis and teres minor integrity; (4) the LDT-T procedure in relation to the reattachment position on the humeral head of the transferred tendon; (5) the LDT-T procedure performed as a single or a double incision; (6) arthroscopic, open, or combined approach: and (7) the LDT-T procedure in patients with preoperative osteoarthritis and a nonosteoarthritic condition with the evaluation of osteoarthritis progression. A systematic review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-analyses guidelines. Studies of levels of evidence I-IV were included. The LDT-T surgical procedure, outcomes, and complications were evaluated. Twenty-two studies describing 493 shoulders in 487 patients were included in our study. There were no prospective randomized, controlled studies. LDT-T is a promising strategy for the management of massive and irreparable rotator cuff tears, even though no agreement was found on several aspects and options of LDT-T. Randomized prospective control studies are still awaited on this subject.
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Majewski M, Porter RM, Betz OB, Betz VM, Clahsen H, Flückiger R, Evans CH. Improvement of tendon repair using muscle grafts transduced with TGF-β1 cDNA. Eur Cell Mater 2012; 23:94-101; discussion 101-2. [PMID: 22354460 PMCID: PMC4339190 DOI: 10.22203/ecm.v023a07] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Tendon rupture is a common injury. Inadequate endogenous repair often leaves patients symptomatic, with tendons susceptible to re-rupture. Administration of certain growth factors improves tendon healing in animal models, but their delivery remains a challenge. Here we evaluated the delivery of TGF-β1 to tendon defects by the implantation of genetically modified muscle grafts. Rat muscle biopsies were transduced with recombinant adenovirus encoding TGF-β1 and grafted onto surgically transected Achilles tendons in recipient animals. Tissue regenerates were compared to those of controls by biomechanical testing as well as histochemical and immunohistochemical analyses. Healing was greatly accelerated when genetically modified grafts were implanted into tendon defects, with the resulting repair tissue gaining nearly normal histological appearance as early as 2 weeks postoperatively. This was associated with decreased deposition of type III collagen in favour of large fibre bundles indicative of type I collagen. These differences in tendon composition coincided with accelerated restoration of mechanical strength. Tendon thickness increased in gene-treated animals at weeks 1 and 2, but by week 8 became significantly lower than that of controls suggesting accelerated remodelling. Thus localised TGF-β1 delivery via adenovirus-modified muscle grafts improved tendon healing in this rat model and holds promise for clinical application.
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Affiliation(s)
- Martin Majewski
- Orthopädische Klinik, Universität Basel, Basel, Switzerland,Address for Correspondence: Dr. med. Martin, Majewski, Orthopädische Universitätsklinik Basel, Spitalstrasse 21, CH-4031 Basel, Switzerland, Telephone number: 0041 61 328 78 13, Fax number: 0041 61 328 78 09,
| | - Ryan M. Porter
- Center for Molecular Orthopaedics, Brigham and Women’s Hospital, Harvard Medical School, Boston, USA,Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, USA
| | - Oliver B. Betz
- Center for Molecular Orthopaedics, Brigham and Women’s Hospital, Harvard Medical School, Boston, USA
| | - Volker M. Betz
- Center for Molecular Orthopaedics, Brigham and Women’s Hospital, Harvard Medical School, Boston, USA
| | - Harald Clahsen
- Anatomisches Institut, Universität Düsseldorf, Düsseldorf, Germany
| | - Rudolf Flückiger
- Center for Molecular Orthopaedics, Brigham and Women’s Hospital, Harvard Medical School, Boston, USA
| | - Christopher H. Evans
- Center for Molecular Orthopaedics, Brigham and Women’s Hospital, Harvard Medical School, Boston, USA,Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, USA
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Biological strategies to enhance healing of the avascular area of the meniscus. Stem Cells Int 2011; 2012:528359. [PMID: 22220179 PMCID: PMC3246301 DOI: 10.1155/2012/528359] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2011] [Accepted: 11/01/2011] [Indexed: 12/15/2022] Open
Abstract
Meniscal injuries in the vascularized peripheral part of the meniscus have a better healing potential than tears in the central avascular zone because meniscal healing principally depends on its vascular supply. Several biological strategies have been proposed to enhance healing of the avascular area of the meniscus: abrasion therapy, fibrin clot, organ culture, cell therapy, and applications of growth factors. However, data are too heterogeneous to achieve definitive conclusions on the use of these techniques for routine management of meniscal lesions. Although most preclinical and clinical studies are very promising, they are still at an experimental stage. More prospective randomised controlled trials are needed to compare the different techniques for clinical results, applicability, and cost-effectiveness.
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Scaffolds in tendon tissue engineering. Stem Cells Int 2011; 2012:517165. [PMID: 22190961 PMCID: PMC3236365 DOI: 10.1155/2012/517165] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2011] [Accepted: 10/18/2011] [Indexed: 02/06/2023] Open
Abstract
Tissue engineering techniques using novel scaffold materials offer potential alternatives for managing tendon disorders. Tissue engineering strategies to improve tendon repair healing include the use of scaffolds, growth factors, cell seeding, or a combination of these approaches. Scaffolds have been the most common strategy investigated to date. Available scaffolds for tendon repair include both biological scaffolds, obtained from mammalian tissues, and synthetic scaffolds, manufactured from chemical compounds. Preliminary studies support the idea that scaffolds can provide an alternative for tendon augmentation with an enormous therapeutic potential. However, available data are lacking to allow definitive conclusion on the use of scaffolds for tendon augmentation. We review the current basic science and clinical understanding in the field of scaffolds and tissue engineering for tendon repair.
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Longo UG, Loppini M, Berton A, Spiezia F, Maffulli N, Denaro V. Tissue engineered strategies for skeletal muscle injury. Stem Cells Int 2011; 2012:175038. [PMID: 25098362 PMCID: PMC3216349 DOI: 10.1155/2012/175038] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2011] [Accepted: 09/15/2011] [Indexed: 12/13/2022] Open
Abstract
Skeletal muscle injuries are common in athletes, occurring with direct and indirect mechanisms and marked residual effects, such as severe long-term pain and physical disability. Current therapy consists of conservative management including RICE protocol (rest, ice, compression and elevation), nonsteroidal anti-inflammatory drugs, and intramuscular corticosteroids. However, current management of muscle injuries often does not provide optimal restoration to preinjury status. New biological therapies, such as injection of platelet-rich plasma and stem-cell-based therapy, are appealing. Although some studies support PRP application in muscle-injury management, reasons for concern persist, and further research is required for a standardized and safe use of PRP in clinical practice. The role of stem cells needs to be confirmed, as studies are still limited and inconsistent. Further research is needed to identify mechanisms involved in muscle regeneration and in survival, proliferation, and differentiation of stem cells.
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Affiliation(s)
- Umile Giuseppe Longo
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo 200, Trigoria, 00128 Rome, Italy
- Centro Integrato di Ricerca (CIR) Campus Bio-Medico University, Via Alvaro del Portillo 21, 00128, Rome, Italy
| | - Mattia Loppini
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo 200, Trigoria, 00128 Rome, Italy
- Centro Integrato di Ricerca (CIR) Campus Bio-Medico University, Via Alvaro del Portillo 21, 00128, Rome, Italy
| | - Alessandra Berton
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo 200, Trigoria, 00128 Rome, Italy
- Centro Integrato di Ricerca (CIR) Campus Bio-Medico University, Via Alvaro del Portillo 21, 00128, Rome, Italy
| | - Filippo Spiezia
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo 200, Trigoria, 00128 Rome, Italy
- Centro Integrato di Ricerca (CIR) Campus Bio-Medico University, Via Alvaro del Portillo 21, 00128, Rome, Italy
| | - Nicola Maffulli
- Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Mile End Hospital, 275 Bancroft Road, London E1 4DG, UK
| | - Vincenzo Denaro
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo 200, Trigoria, 00128 Rome, Italy
- Centro Integrato di Ricerca (CIR) Campus Bio-Medico University, Via Alvaro del Portillo 21, 00128, Rome, Italy
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Tissue engineering for rotator cuff repair: an evidence-based systematic review. Stem Cells Int 2011; 2012:418086. [PMID: 25098365 PMCID: PMC3216270 DOI: 10.1155/2012/418086] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2011] [Accepted: 10/02/2011] [Indexed: 01/07/2023] Open
Abstract
The purpose of this systematic review was to address the treatment of rotator cuff tears by applying tissue engineering approaches to improve tendon healing, specifically platelet rich plasma (PRP) augmentation, stem cells, and scaffolds. Our systematic search was performed using the combination of the following terms: “rotator cuff”, “shoulder”, “PRP”, “platelet rich plasma”, “stemcells”, “scaffold”, “growth factors”, and “tissue engineering”. No level I or II studies were found on the use of scaffolds and stem cells for rotator cuff repair. Three studies compared rotator cuff repair with or without PRP augmentation. All authors performed arthroscopic rotator cuff repair with different techniques of suture anchor fixation and different PRP augmentation. The three studies found no difference in clinical rating scales and functional outcomes between PRP and control groups. Only one study showed clinical statistically significant difference between the two groups at the 3-month follow up. Any statistically significant difference in the rates of tendon rerupture between the control group and the PRP group was found using the magnetic resonance imaging. The current literature on tissue engineering application for rotator cuff repair is scanty. Comparative studies included in this review suggest that PRP augmented repair of a rotator cuff does not yield improved functional and clinical outcome compared with non-augmented repair at a medium and long-term followup.
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Longo UG, Petrillo S, Franceschetti E, Maffulli N, Denaro V. Growth factors and anticatabolic substances for prevention and management of intervertebral disc degeneration. Stem Cells Int 2011; 2012:897183. [PMID: 25098367 PMCID: PMC3216373 DOI: 10.1155/2012/897183] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2011] [Accepted: 09/12/2011] [Indexed: 12/17/2022] Open
Abstract
Intervertebral disc (IVD) degeneration is frequent, appearing from the second decade of life and progressing with age. Conservative management often fails, and patients with IVD degeneration may need surgical intervention. Several treatment strategies have been proposed, although only surgical discectomy and arthrodesis have been proved to be predictably effective. Biological strategies aim to prevent and manage IVD degeneration, improving the function and anabolic and reparative capabilities of the nucleus pulposus and annulus fibrosus cells and inhibiting matrix degradation. At present, clinical applications are still in their infancy. Further studies are required to clarify the role of growth factors and anticatabolic substances for prevention and management of intervertebral disc degeneration.
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Affiliation(s)
- Umile Giuseppe Longo
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico, University of Rome, Via Álvaro del Portillo 200, 00128 Rome, Italy
- Centro Integrato di Ricerca (CIR), Università Campus Bio-Medico di Roma, Via Álvaro del Portillo 21, 00128 Rome, Italy
| | - Stefano Petrillo
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico, University of Rome, Via Álvaro del Portillo 200, 00128 Rome, Italy
- Centro Integrato di Ricerca (CIR), Università Campus Bio-Medico di Roma, Via Álvaro del Portillo 21, 00128 Rome, Italy
| | - Edoardo Franceschetti
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico, University of Rome, Via Álvaro del Portillo 200, 00128 Rome, Italy
- Centro Integrato di Ricerca (CIR), Università Campus Bio-Medico di Roma, Via Álvaro del Portillo 21, 00128 Rome, Italy
| | - Nicola Maffulli
- Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Mile End Hospital, 275 Bancroft Road, London E1 4DG, UK
| | - Vincenzo Denaro
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico, University of Rome, Via Álvaro del Portillo 200, 00128 Rome, Italy
- Centro Integrato di Ricerca (CIR), Università Campus Bio-Medico di Roma, Via Álvaro del Portillo 21, 00128 Rome, Italy
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Advances in meniscal tissue engineering. Stem Cells Int 2011; 2012:420346. [PMID: 25098366 PMCID: PMC3205710 DOI: 10.1155/2012/420346] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2011] [Accepted: 08/26/2011] [Indexed: 01/08/2023] Open
Abstract
Meniscal tears are the most common knee injuries and have a poor ability of healing. In the last few decades, several techniques have been increasingly used to optimize meniscal healing. Current research efforts of tissue engineering try to combine cell-based therapy, growth factors, gene therapy, and reabsorbable scaffolds to promote healing of meniscal defects. Preliminary studies did not allow to draw definitive conclusions on the use of these techniques for routine management of meniscal lesions. We performed a review of the available literature on current techniques of tissue engineering for the management of meniscal tears.
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