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Rhee B, Jin C, Shin SH, Choi H, Lee Y, Kim S. Establishment of an image evaluation grading criteria for experimental stifle joint osteoarthritis in dogs: an X-ray and CT imaging study. Lab Anim Res 2023; 39:34. [PMID: 38102726 PMCID: PMC10722845 DOI: 10.1186/s42826-023-00186-z] [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: 08/04/2023] [Revised: 12/10/2023] [Accepted: 12/11/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND This study aimed to establish an image evaluation grading criteria for experimental stifle joint osteoarthritis (OA) in anterior cruciate ligament transection induced OA beagle dog models. The severity of OA was assessed using X-ray and computed tomography (CT) imaging. RESULTS A total of 32 dogs (8 controls and 24 OA-induced dogs) were included in the study. The OA-induced group showed significantly higher manual joint palpation, gait analysis, and OA severity scores than the control group. Based on these two results, we calculated correlation coefficients. There was a strong positive correlation between manual joint palpation scores and OA severity on diagnostic imaging and between gait analysis scores and OA severity. CONCLUSIONS The developed grading criteria based on radiographic evaluation correlated with clinical assessments. The study also employed CT imaging to enhance the accuracy and sensitivity of early-stage OA change detection in the stifle joint. However, further studies with larger sample sizes and multiple evaluators are recommended for the validation and generalizability of this grading system. These established image evaluation grading criteria can help evaluate and monitor the efficacy of interventions and changes in OA lesions in canine models.
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Affiliation(s)
- Beomseok Rhee
- Research Center, HLB BioStep Co., Ltd., Incheon, 22014, Republic of Korea
- Department of Veterinary Medical Imaging, College of Veterinary Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Changfan Jin
- Research Center, HLB BioStep Co., Ltd., Incheon, 22014, Republic of Korea
- Department of Veterinary Medical Imaging, College of Veterinary Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Seo-Hyun Shin
- Research Center, HLB BioStep Co., Ltd., Incheon, 22014, Republic of Korea
| | - Hojung Choi
- Department of Veterinary Medical Imaging, College of Veterinary Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Youngwon Lee
- Department of Veterinary Medical Imaging, College of Veterinary Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Sokho Kim
- Research Center, HLB BioStep Co., Ltd., Incheon, 22014, Republic of Korea.
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2
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Küpper JC, Zandiyeh P, Ronsky JL. Empirical joint contact mechanics: A comprehensive review. Proc Inst Mech Eng H 2023; 237:147-162. [PMID: 36468563 DOI: 10.1177/09544119221137397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Empirical joint contact mechanics measurement (EJCM; e.g. contact area or force, surface velocities) enables critical investigations of the relationship between changing joint mechanics and the impact on surface-to-surface interactions. In orthopedic biomechanics, understanding the changes to cartilage contact mechanics following joint pathology or aging is critical due to its suggested role in the increased risk of osteoarthritis (OA), which might be due to changed kinematics and kinetics that alter the contact patterns within a joint. This article reviews and discusses EJCM approaches that have been applied to articulating joints such that readers across different disciplines will be informed of the various measurement and analysis techniques used in this field. The approaches reviewed include classical measurement approaches (radiographic and sectioning, dye staining, casting, surface proximity, and pressure measurement), stereophotogrammetry/motion analysis, computed tomography (CT), magnetic resonance imaging (MRI), and high-speed videoradiography. Perspectives on approaches to advance this field of EJCM are provided, including the value of considering relative velocity in joints, tractional stress, quantification of joint contact area shape, consideration of normalization techniques, net response (superposition) of multiple input variables, and establishing linkages to regional cartilage health status. EJCM measures continue to provide insights to advance our understanding of cartilage health and degeneration and provide avenues to assess the efficacy and guide future directions of developing interventions (e.g. surgical, biological, rehabilitative) to optimize joint's health and function long term.
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Affiliation(s)
- Jessica C Küpper
- Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, AB, Canada.,McCaig Institute for Bone and Joint Health, Calgary, AB, Canada
| | - Payam Zandiyeh
- Department of Orthopaedic Surgery, University of Texas Health Sciences Center, Houston, TX, USA
| | - Janet L Ronsky
- McCaig Institute for Bone and Joint Health, Calgary, AB, Canada.,Departments of Mechanical and Manufacturing Engineering and Biomedical Engineering, University of Calgary, Calgary, AB, Canada
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3
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Zhao W, Yang J, Kang Y, Hu K, Jiao M, Zhao B, Jiang Y, Liu C, Ding F, Yuan B, Ma B, Zhang K, Mikos AG, Zhang X. Animal Models of Rotator Cuff Injury and Repair: A Systematic Review. TISSUE ENGINEERING. PART B, REVIEWS 2022; 28:1258-1273. [PMID: 35972750 DOI: 10.1089/ten.teb.2022.0034] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
There are a large number of animal studies on rotator cuff injury and repair, but a lack of detailed research and evaluation on the animal models. This systematic review aims to provide a framework for animal studies and repair patches for rotator cuff injury. Four hundred nine animal studies were included, of which the most common animal model of rotator cuff injury is rat (53.56%), the most common site of rotator cuff injury is the supraspinatus tendon (62.10%), and the most common injury type (degree) is acute tear (full thickness) (48.41%). The most common research purpose is to evaluate the repair effect of the patch (24.94%), followed by the observation of pathophysiological changes after rotator cuff injury (20.87%). Among the five types of repair patch materials including nondegradable and degradable synthetic materials, autologous and allogeneic tissues, and naturally derived biomaterial, the last one is the mostly used (52.74%). For different animal models, the rodent models (rat and mouse) are the most commonly used and probably the most suitable species for preliminary studies of rotator cuff injury; the rabbit, canine, sheep, and goat models are more suitable for biomechanical performance testing, rehabilitation training, and validation of surgical methods; and the nonhuman primate models (monkey and baboon) are the closest to human, but it is more difficult to carry out the animal studies on them because of ethical issues, high feeding cost, and management difficulties.
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Affiliation(s)
- Wanlu Zhao
- College of Biomedical Engineering and Sichuan University, Chengdu, People's Republic of China.,National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, People's Republic of China
| | - Jinwei Yang
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, People's Republic of China.,Reproductive Medicine Center, Gansu Provincial Maternity and Child-Care Hospital, Lanzhou, People's Republic of China
| | - Yuhao Kang
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, People's Republic of China
| | - Kaiyan Hu
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, People's Republic of China
| | - Mingyue Jiao
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, People's Republic of China
| | - Bing Zhao
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, People's Republic of China
| | - Yanbiao Jiang
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, People's Republic of China.,The First Hospital of Lanzhou University, Lanzhou, People's Republic of China
| | - Chen Liu
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, People's Republic of China
| | - Fengxing Ding
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, People's Republic of China
| | - Bo Yuan
- College of Biomedical Engineering and Sichuan University, Chengdu, People's Republic of China.,National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, People's Republic of China
| | - Bin Ma
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, People's Republic of China.,Key Laboratory of Evidence Based Medicine and Knowledge Translation of Gansu Province, Lanzhou, People's Republic of China
| | - Kai Zhang
- College of Biomedical Engineering and Sichuan University, Chengdu, People's Republic of China.,National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, People's Republic of China.,Institute of Regulatory Science for Medical Devices, Sichuan University, Chengdu, People's Republic of China
| | - Antonios G Mikos
- Department of Bioengineering, Chemical and Biomolecular Engineering, Rice University, Houston, Texas, USA
| | - Xingdong Zhang
- College of Biomedical Engineering and Sichuan University, Chengdu, People's Republic of China.,National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, People's Republic of China.,Institute of Regulatory Science for Medical Devices, Sichuan University, Chengdu, People's Republic of China
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4
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Kuroki K, Williams N, Cook JL. Histologic evidence for a humoral immune response in synovitis associated with cranial cruciate ligament disease in dogs. Vet Surg 2021; 50:1032-1041. [PMID: 33769592 DOI: 10.1111/vsu.13600] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 12/11/2020] [Accepted: 01/03/2021] [Indexed: 12/12/2022]
Abstract
OBJECTIVE To investigate histopathological features of synovium from dogs with cranial cruciate ligament disease (CCLD) to seek mechanisms of osteoarthritis (OA) associated with CCLD. STUDY DESIGN Retrospective, single-institution case series. ANIMALS Thirty client-owned dogs. METHODS Synovial biopsies (n = 30) obtained from stifles with CCLD were assessed by using two synovitis histopathology grading systems (Krenn and Hospital for Special Surgery [HSS]). The Krenn synovitis score was interpreted as "no synovitis," "low-grade," or "high-grade," while inflammatory subtype (low, mixed, or high) was determined by a computational algorithm within the HSS system. Comparison of synovitis scores was based on degree of CCL rupture and presence of meniscal tears. RESULTS Histopathological changes and synovitis scores were similar regardless of degree of rupture (partial n = 5, complete n = 25) or presence of meniscal injury (n = 12) and were characterized by hyperplastic and lymphoplasmacytic synovitis with increased vascularity (30/30) and the presence of hemosiderin deposits (28/30), binucleated plasma cells (28/30), mucoid change (25/30), and Mott cells (16/30). Thirteen (43%) specimens were consistent with high-grade synovitis according to the Krenn system, while 11 (37%) specimens fit into the high-inflammatory subtype with the HSS system. CONCLUSION Synovitis associated with canine CCLD in this study population was lymphoplasmacytic and was often highly inflammatory, with the presence of cells pertaining to humoral immunity. Humoral immune responses may play key roles in the synovitis associated with CCLD. CLINICAL SIGNIFICANCE Modulation of biological factors that provoke humoral immune responses may mitigate symptoms of OA that persist and progress even after surgical treatment of CCLD in dogs.
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Affiliation(s)
- Keiichi Kuroki
- Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, Columbia, Missouri, USA.,Department of Veterinary Pathobiology, Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri, Columbia, Missouri, USA
| | - Ned Williams
- Eastern Carolina Veterinary Referral, Wilmington, North Carolina, USA
| | - James L Cook
- Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, Columbia, Missouri, USA.,Missouri Orthopaedic Institute, University of Missouri, Columbia, Missouri, USA
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5
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Akhbari B, Morton AM, Moore DC, Crisco JJ. Biplanar Videoradiography to Study the Wrist and Distal Radioulnar Joints. J Vis Exp 2021:10.3791/62102. [PMID: 33616093 PMCID: PMC8182367 DOI: 10.3791/62102] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Accurate measurement of skeletal kinematics in vivo is essential for understanding normal joint function, the influence of pathology, disease progression, and the effects of treatments. Measurement systems that use skin surface markers to infer skeletal motion have provided important insight into normal and pathological kinematics, however, accurate arthrokinematics cannot be attained using these systems, especially during dynamic activities. In the past two decades, biplanar videoradiography (BVR) systems have enabled many researchers to directly study the skeletal kinematics of the joints during activities of daily living. To implement BVR systems for the distal upper extremity, videoradiographs of the distal radius and the hand are acquired from two calibrated X-ray sources while a subject performs a designated task. Three-dimensional (3D) rigid-body positions are computed from the videoradiographs via a best-fit registrations of 3D model projections onto to each BVR view. The 3D models are density-based image volumes of the specific bone derived from independently acquired computed-tomography data. Utilizing graphics processor units and high-performance computing systems, this model-based tracking approach is shown to be fast and accurate in evaluating the wrist and distal radioulnar joint biomechanics. In this study, we first summarized the previous studies that have established the submillimeter and subdegree agreement of BVR with an in vitro optical motion capture system in evaluating the wrist and distal radioulnar joint kinematics. Furthermore, we used BVR to compute the center of rotation behavior of the wrist joint, to evaluate the articulation pattern of the components of the implant upon one another, and to assess the dynamic change of ulnar variance during pronosupination of the forearm. In the future, carpal bones may be captured in greater detail with the addition of flat panel X-ray detectors, more X-ray sources (i.e., multiplanar videoradiography), or advanced computer vision algorithms.
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Affiliation(s)
| | - Amy M Morton
- Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital
| | - Douglas C Moore
- Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital
| | - Joseph J Crisco
- Center for Biomedical Engineering, Brown University; Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital
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6
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Won WW, Lee AM, Butler JR, Wills RW, Brinkman EL. Association of meniscal injury to joint space width on standard tibial plateau leveling osteotomy lateral radiographic projections of the canine stifle. Vet Radiol Ultrasound 2019; 61:16-24. [PMID: 31778263 DOI: 10.1111/vru.12821] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 07/23/2019] [Accepted: 08/19/2019] [Indexed: 11/30/2022] Open
Abstract
Up to 70% of dogs with cranial cruciate ligament tears have concurrent meniscal injury, and these injuries can increase the risk of developing osteoarthritis and persistent lameness. Studies assessing joint space width on knee radiographs in people have indicated associations between joint space width and meniscal injuries. The aim of this prospective analytical study was to determine if there was an association between stifle joint space width on three different radiographic projections (the standard tibial plateau leveling osteotomy projections and a standing lateral projection) and meniscal injuries identified at surgery in dogs. There was a significant association between dogs with a meniscal tear and the corresponding joint space width on standard tibial plateau leveling osteotomy lateral radiographic projections (P-value = .0028). Based on receiver operator characteristic curve analysis, joint space widths measuring less than 3.43 mm may indicate a meniscal tear, with a corresponding 89.5% specificity and 40.5% sensitivity in dogs weighing 31 kg. Joint space narrowing is seen with meniscal tears in dogs, and radiography may be a noninvasive way to identify meniscal tears prior to surgery.
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Affiliation(s)
- Wylen Wade Won
- Department of Clinical Sciences, College of Veterinary Medicine, Mississippi State University, Mississippi State, Mississippi
| | - Alison M Lee
- Department of Clinical Sciences, College of Veterinary Medicine, Mississippi State University, Mississippi State, Mississippi
| | - James Ryan Butler
- Department of Clinical Sciences, College of Veterinary Medicine, Mississippi State University, Mississippi State, Mississippi
| | - Robert W Wills
- Department of Pathobiology and Population Medicine, College of Veterinary Medicine, Mississippi State University, Mississippi State, Mississippi
| | - Erin L Brinkman
- Department of Clinical Sciences, College of Veterinary Medicine, Mississippi State University, Mississippi State, Mississippi
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7
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Qu F, Stoeckl BD, Gebhard PM, Hullfish TJ, Baxter JR, Mauck RL. A Wearable Magnet-Based System to Assess Activity and Joint Flexion in Humans and Large Animals. Ann Biomed Eng 2018; 46:2069-2078. [PMID: 30083860 DOI: 10.1007/s10439-018-2105-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 07/20/2018] [Indexed: 12/19/2022]
Abstract
Functional outcomes, such as joint flexion and gait, are important indicators of efficacy in musculoskeletal research. Current technologies that objectively assess these parameters, including visual tracking systems and force plates, are challenging to deploy in long-term translational and clinical studies. To that end, we developed a wearable device that measures both physical activity and joint flexion using a single integrated sensor and magnet system, and hypothesized that it could evaluate post-operative functional recovery in an unsupervised setting. To demonstrate the feasibility of measuring joint flexion, we first compared knee motion from the wearable device to that acquired from a motion capture system to confirm that knee flexion measurements during normal human gait, predicted via changes in magnetic field strength, closely correlated with data acquired by motion capture. Using this system, we then monitored a porcine cohort after bilateral stifle arthrotomy to investigate longitudinal changes in physical activity and joint flexion. We found that unsupervised activity declined immediately after surgery, with a return to pre-operative activity occurring over a period of 2 weeks. By providing objective, individualized data on locomotion and joint function, this magnet-based system will facilitate the in vivo assessment of novel therapeutics in translational orthopaedic research.
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Affiliation(s)
- Feini Qu
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, USA.,Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA, USA
| | - Brendan D Stoeckl
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, USA.,Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA, USA
| | - Peter M Gebhard
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, USA
| | - Todd J Hullfish
- Human Motion Laboratory, Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, USA
| | - Josh R Baxter
- Human Motion Laboratory, Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, USA
| | - Robert L Mauck
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, USA. .,Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA, USA.
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8
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Nagai K, Gale T, Irrgang JJ, Tashman S, Fu FH, Anderst W. Anterior Cruciate Ligament Reconstruction Affects Tibiofemoral Joint Congruency During Dynamic Functional Movement. Am J Sports Med 2018; 46:1566-1574. [PMID: 29613816 DOI: 10.1177/0363546518764675] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Anterior cruciate ligament reconstruction (ACLR) has been shown to alter kinematics, which may influence dynamic tibiofemoral joint congruency (a measure of how well the bone surfaces fit together). This may lead to abnormal loading of cartilage and joint degeneration. However, joint congruency after ACLR has never been investigated. HYPOTHESES The ACLR knee will be more congruent than the contralateral uninjured knee, and dynamic congruency will increase over time after ACLR. Side-to-side differences (SSD) in dynamic congruency will be related to cartilage contact location/area and subchondral bone curvatures. STUDY DESIGN Descriptive laboratory study. METHODS The authors examined 43 patients who underwent unilateral ACLR. At 6 months and 24 months after ACLR, patients performed downhill running on a treadmill while synchronized biplane radiographs were acquired at 150 images per second. Dynamic tibiofemoral kinematic values were determined by use of a validated volumetric model-based tracking process that matched patient-specific bone models, obtained from computed tomography, to biplane radiographs. Patient-specific cartilage models, obtained from magnetic resonance imaging, were registered to tracked bone models and used to calculate dynamic cartilage contact regions. Principle curvatures of the subchondral bone surfaces under each cartilage contact area were calculated to determine joint congruency. Repeated-measures analysis of variance was used to test the differences. Multiple linear regression was used to identify associations between SSD in congruency index, cartilage contact area, contact location, and global curvatures of femoral or tibial subchondral bone. RESULTS Lateral compartment congruency in the ACLR knee was greater than in the contralateral knee ( P < .001 at 6 months and P = .010 at 24 months). From 6 to 24 months after surgery, dynamic congruency decreased in the medial compartment ( P = .002) and increased in the lateral compartment ( P = .007) in the ACLR knee. In the lateral compartment, SSD in joint congruency was related to contact location and femur global curvature, and in the medial compartment, SSD in joint congruency was related to contact area. CONCLUSION ACLR appears to affect dynamic joint congruency. SSD in joint congruency was associated with changes in contact location, contact area, and femoral bony curvature. CLINICAL RELEVANCE Alterations in tibiofemoral contact location, contact area, and bone shape affect dynamic joint congruency, potentially contributing to long-term degeneration after ACLR.
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Affiliation(s)
- Kanto Nagai
- Department of Orthopaedic Surgery, University of Pittsburgh, Pennsylvania, USA.,Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tom Gale
- Department of Orthopaedic Surgery, University of Pittsburgh, Pennsylvania, USA
| | - James J Irrgang
- Department of Orthopaedic Surgery, University of Pittsburgh, Pennsylvania, USA
| | - Scott Tashman
- Department of Orthopaedic Surgery, University of Pittsburgh, Pennsylvania, USA.,Department of Orthopaedic Surgery, the University of Texas Health Science Center at Houston, Texas, USA
| | - Freddie H Fu
- Department of Orthopaedic Surgery, University of Pittsburgh, Pennsylvania, USA
| | - William Anderst
- Department of Orthopaedic Surgery, University of Pittsburgh, Pennsylvania, USA
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9
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DeFrate LE. Effects of ACL graft placement on in vivo knee function and cartilage thickness distributions. J Orthop Res 2017; 35:1160-1170. [PMID: 28213953 PMCID: PMC5466493 DOI: 10.1002/jor.23541] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Accepted: 01/23/2017] [Indexed: 02/04/2023]
Abstract
Injuries to the anterior cruciate ligament (ACL) frequently lead to early-onset osteoarthritis. Despite advancement in surgical techniques, ACL reconstruction has a limited ability to prevent these degenerative changes. While previous studies have investigated knee function after ACL reconstruction, in vivo investigations of the effects of graft placement on in vivo joint function and cartilage health are limited. This review presents a series of studies that used novel imaging and 3D modeling techniques to determine the in vivo placement of the ACL graft on the femur using two different ACL reconstruction techniques. These techniques resulted in two distinct graft placement groups: one where the ACL was placed anatomically near the center of the native ACL footprint and another where the graft was placed anteroproximally on the femur, centered outside the ACL footprint. We quantified the effects of graft placement on graft deformation during in vivo loading and how these variables affected knee motion. Finally, we quantified whether femoral placement of the graft affected cartilage thickness. Our results demonstrate that achieving anatomic graft placement on the femur is critical to restoring native ACL function and normal knee kinematics. Knees with grafts that more closely restored normal ACL function, and thus knee motion, experienced less focal cartilage thinning than did those that experienced abnormal knee motion. These results suggest that achieving anatomic graft placement is a critical factor in restoring normal knee motion and potentially slowing the development of degenerative changes after ACL reconstruction. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:1160-1170, 2017.
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Affiliation(s)
- Louis E. DeFrate
- Department of Orthopaedic Surgery, Mechanical Engineering and Materials Science, and Biomedical Engineering, Duke University, Durham, NC USA
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10
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Barton KI, Shekarforoush M, Heard BJ, Sevick JL, Vakil P, Atarod M, Martin R, Achari Y, Hart DA, Frank CB, Shrive NG. Use of pre-clinical surgically induced models to understand biomechanical and biological consequences of PTOA development. J Orthop Res 2017; 35:454-465. [PMID: 27256202 DOI: 10.1002/jor.23322] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Accepted: 05/27/2016] [Indexed: 02/04/2023]
Abstract
Post-traumatic osteoarthritis (PTOA) development is often observed following traumatic knee injuries involving key stabilising structures such as the cruciate ligaments or the menisci. Both biomechanical and biological alterations that follow knee injuries have been implicated in PTOA development, although it has not been possible to differentiate clearly between the two causal factors. This review critically examines the outcomes from pre-clinical lapine and ovine injury models arising in the authors' laboratories and differing in severity of PTOA development and progression. Specifically, we focus on how varying severity of knee injuries influence the subsequent alterations in kinematics, kinetics, and biological outcomes. The immediate impact of injury on the lubrication capacity of the joint is examined in the context of its influence on biomechanical alterations, thus linking the biological changes to abnormal kinematics, leading to a focus on the potential areas for interventions to inhibit or prevent development of the disease. We believe that PTOA results from altered cartilage surface interactions where biological and biomechanical factors intersect, and mitigating acute joint inflammation may be critical to prolonging PTOA development. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:454-465, 2017.
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Affiliation(s)
- Kristen I Barton
- McCaig Institute for Bone & Joint Health, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Mehdi Shekarforoush
- McCaig Institute for Bone & Joint Health, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Schulich School of Engineering, University of Calgary, Calgary, AB, Canada
| | - Bryan J Heard
- McCaig Institute for Bone & Joint Health, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - John L Sevick
- McCaig Institute for Bone & Joint Health, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Schulich School of Engineering, University of Calgary, Calgary, AB, Canada
| | - Paria Vakil
- McCaig Institute for Bone & Joint Health, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Schulich School of Engineering, University of Calgary, Calgary, AB, Canada
| | - Mohammad Atarod
- McCaig Institute for Bone & Joint Health, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Schulich School of Engineering, University of Calgary, Calgary, AB, Canada
| | - Ryan Martin
- McCaig Institute for Bone & Joint Health, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Section of Orthopaedics, University of Calgary, Foothills Hospital, Calgary, Alberta, Canada
| | - Yamini Achari
- McCaig Institute for Bone & Joint Health, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - David A Hart
- McCaig Institute for Bone & Joint Health, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Cyril B Frank
- McCaig Institute for Bone & Joint Health, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Nigel G Shrive
- McCaig Institute for Bone & Joint Health, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Schulich School of Engineering, University of Calgary, Calgary, AB, Canada
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11
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Lebaschi A, Deng XH, Zong J, Cong GT, Carballo CB, Album ZM, Camp C, Rodeo SA. Animal models for rotator cuff repair. Ann N Y Acad Sci 2016; 1383:43-57. [DOI: 10.1111/nyas.13203] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 07/12/2016] [Accepted: 07/18/2016] [Indexed: 01/08/2023]
Affiliation(s)
- Amir Lebaschi
- Tissue Engineering; Repair, and Regeneration Program
| | | | - Jianchun Zong
- Tissue Engineering; Repair, and Regeneration Program
| | | | | | - Zoe M. Album
- Tissue Engineering; Repair, and Regeneration Program
| | - Christopher Camp
- Tissue Engineering; Repair, and Regeneration Program
- Sports Medicine and Shoulder Service; Hospital for Special Surgery; New York New York
| | - Scott A. Rodeo
- Tissue Engineering; Repair, and Regeneration Program
- Sports Medicine and Shoulder Service; Hospital for Special Surgery; New York New York
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Farrokhi S, Voycheck CA, Gustafson JA, Fitzgerald GK, Tashman S. Knee joint contact mechanics during downhill gait and its relationship with varus/valgus motion and muscle strength in patients with knee osteoarthritis. Knee 2016; 23:49-56. [PMID: 27030846 PMCID: PMC4817272 DOI: 10.1016/j.knee.2015.07.011] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The objective of this exploratory study was to evaluate tibiofemoral joint contact point excursions and velocities during downhill gait and assess the relationship between tibiofemoral joint contact mechanics with frontal-plane knee joint motion and lower extremity muscle weakness in patients with knee osteoarthritis (OA). METHODS Dynamic stereo X-ray was used to quantify tibiofemoral joint contact mechanics and frontal-plane motion during the loading response phase of downhill gait in 11 patients with knee OA and 11 control volunteers. Quantitative testing of the quadriceps and the hip abductor muscles was also performed. RESULTS Patients with knee OA demonstrated larger medial/lateral joint contact point excursions (p < 0.02) and greater heel-strike joint contact point velocities (p < 0.05) for the medial and lateral compartments compared to the control group. The peak medial/lateral joint contact point velocity of the medial compartment was also greater for patients with knee OA compared to their control counterparts (p = 0.02). Additionally, patients with knee OA demonstrated significantly increased frontal-plane varus motion excursions (p < 0.01) and greater quadriceps and hip abductor muscle weakness (p = 0.03). In general, increased joint contact point excursions and velocities in patients with knee OA were linearly associated with greater frontal-plane varus motion excursions (p < 0.04) but not with quadriceps or hip abductor strength. CONCLUSION Altered contact mechanics in patients with knee OA may be related to compromised frontal-plane joint stability but not with deficits in muscle strength.
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Affiliation(s)
- Shawn Farrokhi
- Assistant Professor & Co-director of the Human Movement Research Laboratory, Department of Physical Therapy, Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - Carrie A. Voycheck
- Posdoctoral Fellow, Department of Physical Therapy, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jonathan A. Gustafson
- Doctoral Student, Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - G. Kelley Fitzgerald
- Professor & Director of the Physical Therapy Clinical and Translational Research Center, Department of Physical Therapy, University of Pittsburgh, Pittsburgh, PA, USA
| | - Scott Tashman
- Associate Professor & Director of Biodynamics Laboratory, Department of Orthopaedic Surgery, Department of Bioengineering, University of Pittsburgh, PA, USA
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Alterations in knee contact forces and centers in stance phase of gait: A detailed lower extremity musculoskeletal model. J Biomech 2015; 49:185-92. [PMID: 26708962 DOI: 10.1016/j.jbiomech.2015.12.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Revised: 11/13/2015] [Accepted: 12/03/2015] [Indexed: 11/21/2022]
Abstract
Evaluation of contact forces-centers of the tibiofemoral joint in gait has crucial biomechanical and pathological consequences. It involves however difficulties and limitations in in vitro cadaver and in vivo imaging studies. The goal is to estimate total contact forces (CF) and location of contact centers (CC) on the medial and lateral plateaus using results computed by a validated finite element model simulating the stance phase of gait for normal as well as osteoarthritis, varus-valgus and posterior tibial slope altered subjects. Using foregoing contact results, six methods commonly used in the literature are also applied to estimate and compare locations of CC at 6 periods of stance phase (0%, 5%, 25%, 50%, 75% and 100%). TF joint contact forces are greater on the lateral plateau very early in stance and on the medial plateau thereafter during 25-100% stance periods. Large excursions in the location of CC (>17mm), especially on the medial plateau in the mediolateral direction, are computed. Various reported models estimate quite different CCs with much greater variations (~15mm) in the mediolateral direction on both plateaus. Compared to our accurately computed CCs taken as the gold standard, the centroid of contact area algorithm yielded least differences (except in the mediolateral direction on the medial plateau at ~5mm) whereas the contact point and weighted center of proximity algorithms resulted overall in greatest differences. Large movements in the location of CC should be considered when attempting to estimate TF compartmental contact forces in gait.
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Thorhauer E, Tashman S. Validation of a method for combining biplanar radiography and magnetic resonance imaging to estimate knee cartilage contact. Med Eng Phys 2015; 37:937-47. [PMID: 26304232 DOI: 10.1016/j.medengphy.2015.07.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Revised: 06/29/2015] [Accepted: 07/01/2015] [Indexed: 02/07/2023]
Abstract
Combining accurate bone kinematics data from biplane radiography with cartilage models from magnetic resonance imaging, it is possible to estimate tibiofemoral cartilage contact area and centroid location. Proper validation of such estimates, however, has not been performed under loading conditions approximating functional tasks, such as gait, squatting, and stair descent. The goal of this study was to perform an in vitro validation to resolve the accuracy of cartilage contact estimations in comparison to a laser scanning gold standard. Results demonstrated acceptable reliability and accuracy for both contact area and centroid location estimates. Root mean square errors in contact area averaged 8.4% and 4.4% of the medial and lateral compartmental areas, respectively. Modified Sorensen-Dice agreement scores of contact regions averaged 0.81 ± 0.07 for medial and 0.83 ± 0.07 for lateral compartments. These validated methods have applications for in vivo assessment of a variety of patient populations and physical activities, and may lead to greater understanding of the relationships between knee cartilage function, effects of joint injury and treatment, and the development of osteoarthritis.
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Affiliation(s)
- Eric Thorhauer
- Biodynamics Laboratory, Department of Orthopaedic Surgery, University of Pittsburgh, 3820 South Water Street, Pittsburgh, PA 15203, United States of America
| | - Scott Tashman
- Biodynamics Laboratory, Department of Orthopaedic Surgery, University of Pittsburgh, 3820 South Water Street, Pittsburgh, PA 15203, United States of America.
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Gustafson JA, Robinson ME, Fitzgerald GK, Tashman S, Farrokhi S. Knee motion variability in patients with knee osteoarthritis: The effect of self-reported instability. Clin Biomech (Bristol, Avon) 2015; 30:475-80. [PMID: 25796536 PMCID: PMC4428966 DOI: 10.1016/j.clinbiomech.2015.03.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Revised: 03/06/2015] [Accepted: 03/06/2015] [Indexed: 02/07/2023]
Abstract
BACKGROUND Knee osteoarthritis has been previously associated with a stereotypical knee-stiffening gait pattern and reduced knee joint motion variability due to increased antagonist muscle co-contractions and smaller utilized arc of motion during gait. However, episodic self-reported instability may be a sign of excessive motion variability for a large subgroup of patients with knee osteoarthritis. The objective of this work was to evaluate the differences in knee joint motion variability during gait in patients with knee osteoarthritis with and without self-reported instability compared to a control group of older adults with asymptomatic knees. METHODS Forty-three subjects, 8 with knee osteoarthritis but no reports of instability (stable), 11 with knee osteoarthritis and self-reported instability (unstable), and 24 without knee osteoarthritis or instability (control) underwent Dynamic Stereo X-ray analysis during a decline gait task on a treadmill. Knee motion variability was assessed using parametric phase plots during the loading response phase of decline gait. FINDINGS The stable group demonstrated decreased sagittal-plane motion variability compared to the control group (p=0.04), while the unstable group demonstrated increased sagittal-plane motion variability compared to the control (p=0.003) and stable groups (p<0.001). The unstable group also demonstrated increased anterior-posterior joint contact point motion variability for the medial tibiofemoral compartment compared to the control (p=0.03) and stable groups (p=0.03). INTERPRETATION The finding of decreased knee motion variability in patients with knee osteoarthritis without self-reported instability supports previous research. However, presence of self-reported instability is associated with increased knee motion variability in patients with knee osteoarthritis and warrants further investigation.
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Affiliation(s)
- Jonathan A. Gustafson
- Doctoral Student, Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - Megan E. Robinson
- Research Assistant, Department of Physical Therapy, University of Pittsburgh, Pittsburgh, PA, USA
| | - G. Kelley Fitzgerald
- Professor, Department of Physical Therapy, Director, Physical Therapy Clinical and Translational Research Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - Scott Tashman
- Associate Professor Department of Orthopaedic Surgery, Department of Bioengineering, Director, Biodynamics Laboratory, University of Pittsburgh, PA, USA
| | - Shawn Farrokhi
- Assistant Professor, Departments of Physical Therapy & Bioengineering, Co-director, Human Movement Research Laboratory, University of Pittsburgh, Pittsburgh, PA, USA
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Farrokhi S, Voycheck CA, Klatt BA, Gustafson JA, Tashman S, Fitzgerald GK. Altered tibiofemoral joint contact mechanics and kinematics in patients with knee osteoarthritis and episodic complaints of joint instability. Clin Biomech (Bristol, Avon) 2014; 29:629-35. [PMID: 24856791 PMCID: PMC4111962 DOI: 10.1016/j.clinbiomech.2014.04.014] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Revised: 04/15/2014] [Accepted: 04/22/2014] [Indexed: 02/07/2023]
Abstract
BACKGROUND To evaluate knee joint contact mechanics and kinematics during the loading response phase of downhill gait in knee osteoarthritis patients with self-reported instability. METHODS Forty-three subjects, 11 with medial compartment knee osteoarthritis and self-reported instability (unstable), 7 with medial compartment knee osteoarthritis but no reports of instability (stable), and 25 without knee osteoarthritis or instability (control) underwent Dynamic Stereo X-ray analysis during a downhill gait task on a treadmill. FINDINGS The medial compartment contact point excursions were longer in the unstable group compared to the stable (P=0.046) and the control groups (P=0.016). The peak medial compartment contact point velocity was also greater for the unstable group compared to the stable (P=0.047) and control groups (P=0.022). Additionally, the unstable group demonstrated a coupled movement pattern of knee extension and external rotation after heel contact which was different than the coupled motion of knee flexion and internal rotation demonstrated by stable and control groups. INTERPRETATION Our findings suggest that knee joint contact mechanics and kinematics are altered during the loading response phase of downhill gait in knee osteoarthritis patients with self-reported instability. The observed longer medial compartment contact point excursions and higher velocities represent objective signs of mechanical instability that may place the arthritic knee joint at increased risk for disease progression. Further research is indicated to explore the clinical relevance of altered contact mechanics and kinematics during other common daily activities and to assess the efficacy of rehabilitation programs to improve altered joint biomechanics in knee osteoarthritis patients with self-reported instability.
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Affiliation(s)
- Shawn Farrokhi
- Assistant Professor & Co-director of Human Movement Research Laboratory, Departments of Physical Therapy & Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - Carrie A. Voycheck
- Posdoctoral Fellow, Department of Physical Therapy, University of Pittsburgh, Pittsburgh, PA, USA
| | - Brian A. Klatt
- Assistant Professor of Orthopaedic Surgery, Department of Orthopaedic Surgery, University of Pittsburgh, PA, USA
| | - Jonathan A. Gustafson
- Doctoral Student, Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - Scott Tashman
- Associate Professor & Director of Biodynamics Laboratory, Department of Orthopaedic Surgery, Department of Bioengineering, University of Pittsburgh, PA, USA
| | - G. Kelley Fitzgerald
- Professor, Department of Physical Therapy, Director, Physical Therapy Clinical and Translational Research Center, University of Pittsburgh, Pittsburgh, PA, USA
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Szivek JA, Heden GJ, Geffre CP, Wenger KH, Ruth JT. In vivotelemetric determination of shear and axial loads on a regenerative cartilage scaffold following ligament disruption. J Biomed Mater Res B Appl Biomater 2014; 102:1415-25. [DOI: 10.1002/jbm.b.33120] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Revised: 12/03/2013] [Accepted: 01/30/2014] [Indexed: 01/01/2023]
Affiliation(s)
- John A. Szivek
- Orthopaedic Research Lab; Orthopaedic Surgery, University of Arizona; Tucson Arizona
| | - Gregory J. Heden
- Orthopaedic Research Lab; Orthopaedic Surgery, University of Arizona; Tucson Arizona
| | - Christopher P. Geffre
- Orthopaedic Research Lab; Orthopaedic Surgery, University of Arizona; Tucson Arizona
| | | | - John T. Ruth
- Orthopaedic Research Lab; Orthopaedic Surgery, University of Arizona; Tucson Arizona
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Halley SE, Bey MJ, Haladik JA, Lavagnino M, Arnoczky SP. Three dimensional, radiosteriometric analysis (RSA) of equine stifle kinematics and articular surface contact: a cadaveric study. Equine Vet J 2013; 46:364-9. [PMID: 23802689 DOI: 10.1111/evj.12127] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2013] [Accepted: 06/20/2013] [Indexed: 11/27/2022]
Abstract
REASONS FOR PERFORMING STUDY Studies examining the effect of stifle joint angle on tibial rotation, adduction-abduction angle and articular contact area are lacking. OBJECTIVES To test the hypothesis that tibial rotation, adduction-abduction angle and articular contact area change with stifle joint angle. STUDY DESIGN Descriptive study of normal kinematics and articular contact patterns of the equine stifle through the functional range of motion using 3 dimensional (3D) radiosteriometric analysis (RSA) and equine cadaver stifles. METHODS Multiple, radiopaque markers were embedded in the distal femur and proximal tibia and sequential, biplanar x-rays captured as the stifle was passively extended from 110° to full extension. Computer-programmed RSA was used to determine changes in abduction-adduction and internal-external rotation angles of the tibia during stifle extension as well as articular contact patterns (total area and areas of high contact) through the range of motion. RESULTS The tibia rotated externally (P < 0.001) as the stifle was extended. Tibial abduction occurred from 110-135° of extension (P < 0.001) and tibial adduction occurred from 135° through full extension (P = 0.009). The centre of joint contact moved cranially on both tibial condyles during extension with the lateral moving a greater distance than the medial (P = 0.003). Articular contact area decreased (P = 0.001) in the medial compartment but not in the lateral compartment (P = 0.285) as the stifle was extended. The area of highest joint contact increased on the lateral tibial condyle (P < 0.001) with extension but decreased (P = 0.001) on the medial tibial condyle. CONCLUSIONS Significant changes occur in tibial rotation, adduction-abduction angle and articular contact area of the equine stifle through the functional range of motion. Understanding the normal kinematics of the equine stifle and the relationship between joint positions and articular contact areas may provide important insight into the aetiology and location of common stifle joint pathologies (articular cartilage and meniscal lesions).
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Affiliation(s)
- S E Halley
- Laboratory for Comparative Orthopaedic Research, Michigan State University, USA
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Beveridge JE, Shrive NG, Frank CB. Repeatability and precision of a weighted centroid method for estimating dynamicin vivotibiofemoral surface interactions in sheep. Comput Methods Biomech Biomed Engin 2013; 17:1853-63. [DOI: 10.1080/10255842.2013.772592] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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McCarthy MM, Tucker S, Nguyen JT, Green DW, Imhauser CW, Cordasco FA. Contact stress and kinematic analysis of all-epiphyseal and over-the-top pediatric reconstruction techniques for the anterior cruciate ligament. Am J Sports Med 2013; 41:1330-9. [PMID: 23613444 PMCID: PMC4041132 DOI: 10.1177/0363546513483269] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Adult anterior cruciate ligament (ACL) reconstruction techniques may be inappropriate to treat skeletally immature patients because of the risk of physeal complications. "Physeal-sparing" reconstruction techniques exist, but their ability to restore knee stability and contact mechanics is not well understood. PURPOSE (1) To assess the ability of the all-epiphyseal (AE) and over-the-top (OT) reconstruction techniques to restore knee kinematics, (2) to assess whether these reconstruction techniques decrease the high posterior contact stresses seen with ACL deficiency, and (3) to determine whether the AE or OT technique produces abnormal tibiofemoral contact stresses. STUDY DESIGN Controlled laboratory study. METHODS Ten fresh-frozen human cadaveric knees were tested using a robotic manipulator. Tibiofemoral motions were recorded with the ACL intact, after sectioning the ACL, and after both reconstructions in each of the 10 specimens. The AE technique consisted of tunnels exclusively within the epiphysis and was fixed with suspensory cortical fixation devices. The OT procedure consisted of a central and vertical tibial tunnel with an over-the-top femoral position and was fixed with staples and posts on both ends. Anterior stability was assessed with 134-N anterior force at 0°, 15°, 30°, 60°, and 90° of knee flexion. Rotational stability was assessed with combined 8 N·m and 4 N·m of abduction and internal rotation, respectively, at 5°, 15°, and 30° of knee flexion. RESULTS Both reconstruction techniques off-loaded the posterior aspect of the tibial plateau compared with the ACL-deficient knee in response to both anterior loads and combined moments as demonstrated by reduced contact stresses in this region at all flexion angles. Compared with the ACL-intact condition, both the AE and OT procedures had increased posteromedial contact stresses in response to anterior load at some flexion angles, and the OT technique had increased peripheral posterolateral contact stresses at 15° in response to combined moments. Neither reconstruction technique completely restored the midjoint contact stresses. Both techniques restored anterior stability at flexion angles ≤30°; however, neither restored anterior stability at 60° and 90° of flexion. Both reconstruction techniques restored coupled anterior translation under combined moments. Additionally, the AE procedure overconstrained internal rotation in response to combined moments by 12% at 15° of flexion. CONCLUSION Both reconstruction techniques provide anterior and rotational stability and decrease posterior joint contact stresses compared with the ACL-deficient knee. However, neither restored the contact mechanics and kinematics of the ACL-intact knee. CLINICAL RELEVANCE Because the AE reconstruction technique has clinical advantages over the OT procedure, the results support this technique as a potential candidate for use in the skeletally immature athlete.
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Affiliation(s)
- Moira M. McCarthy
- Hospital for Special Surgery, New York, New York,Address correspondence to: Moira M. McCarthy, MD, Hospital for Special Surgery, 535 E 70th Street, New York, NY 10021 ()
| | - Scott Tucker
- Hospital for Special Surgery, New York, New York
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Henak CR, Anderson AE, Weiss JA. Subject-specific analysis of joint contact mechanics: application to the study of osteoarthritis and surgical planning. J Biomech Eng 2013; 135:021003. [PMID: 23445048 PMCID: PMC3705883 DOI: 10.1115/1.4023386] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2012] [Revised: 01/03/2013] [Accepted: 01/18/2013] [Indexed: 11/08/2022]
Abstract
Advances in computational mechanics, constitutive modeling, and techniques for subject-specific modeling have opened the door to patient-specific simulation of the relationships between joint mechanics and osteoarthritis (OA), as well as patient-specific preoperative planning. This article reviews the application of computational biomechanics to the simulation of joint contact mechanics as relevant to the study of OA. This review begins with background regarding OA and the mechanical causes of OA in the context of simulations of joint mechanics. The broad range of technical considerations in creating validated subject-specific whole joint models is discussed. The types of computational models available for the study of joint mechanics are reviewed. The types of constitutive models that are available for articular cartilage are reviewed, with special attention to choosing an appropriate constitutive model for the application at hand. Issues related to model generation are discussed, including acquisition of model geometry from volumetric image data and specific considerations for acquisition of computed tomography and magnetic resonance imaging data. Approaches to model validation are reviewed. The areas of parametric analysis, factorial design, and probabilistic analysis are reviewed in the context of simulations of joint contact mechanics. Following the review of technical considerations, the article details insights that have been obtained from computational models of joint mechanics for normal joints; patient populations; the study of specific aspects of joint mechanics relevant to OA, such as congruency and instability; and preoperative planning. Finally, future directions for research and application are summarized.
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Affiliation(s)
- Corinne R. Henak
- Department of Bioengineering,University of Utah,Salt Lake City, UT 84112;Scientific Computing and Imaging Institute,University of Utah,Salt Lake City, UT 84112
| | - Andrew E. Anderson
- Department of Bioengineering,University of Utah,Salt Lake City, UT;Scientific Computing and Imaging Institute,University of Utah,Salt Lake City, UT;Department of Orthopaedics,University of Utah,Salt Lake City, UT 84108;Department of Physical Therapy,University of Utah,Salt Lake City, UT 84108
| | - Jeffrey A. Weiss
- Department of Bioengineering,University of Utah,Salt Lake City, UT 84108;Scientific Computing and Imaging Institute,University of Utah,Salt Lake City, UT 84108;Department of Orthopaedics,University of Utah,Salt Lake City, UT 84108e-mail:
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Hoshino Y, Tashman S. Internal tibial rotation during in vivo, dynamic activity induces greater sliding of tibio-femoral joint contact on the medial compartment. Knee Surg Sports Traumatol Arthrosc 2012; 20:1268-75. [PMID: 22041716 DOI: 10.1007/s00167-011-1731-6] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2011] [Accepted: 10/13/2011] [Indexed: 11/24/2022]
Abstract
PURPOSE Although extensive research has been conducted on rotational kinematics, the internal/external rotation of the tibio-femoral joint is perhaps less important for protecting joint health than its effect on joint contact mechanics. The purpose of this study was to evaluate tibio-femoral joint contact paths during a functional activity (running) and investigate the relationship between these arthrokinematic measures and traditional kinematics (internal/external rotation). METHODS Tibio-femoral motion was assessed for the contralateral (uninjured) knees of 29 ACL-reconstructed individuals during downhill running, using dynamic stereo X-ray combined with three-dimensional CT bone models to produce knee kinematics and dynamic joint contact paths. The joint contact sliding length was estimated by comparing femoral and tibial contact paths. The difference in sliding length between compartments was compared to knee rotation. RESULTS Sliding length was significantly larger on the medial side (10.2 ± 3.8 mm) than the lateral side (2.3 ± 4.0 mm). The difference in sliding length between compartments (mean 7.8 ± 3.0 mm) was significantly correlated with internal tibial rotation (P < 0.01, R (2) = 0.74). CONCLUSION The relationship between rotational knee kinematics and joint contact paths was specifically revealed as greater tibial internal rotation was associated with larger magnitude of sliding motion in the medial compartment. This could suggest that lateral pivot movement occurs during running. CLINICAL RELEVANCE Rotational kinematics abnormality should be treated for restoring normal balance of joint sliding between medial and lateral compartments and preventing future osteoarthritis. LEVEL OF EVIDENCE Prognostic studies, Level II.
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Affiliation(s)
- Yuichi Hoshino
- Department of Orthopaedic Surgery, Orthopaedic Research Laboratories, University of Pittsburgh, 3820 South Water St., Pittsburgh, PA 15203, USA
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Frank CB, Beveridge JE, Huebner KD, Heard BJ, Tapper JE, O'Brien EJO, Shrive NG. Complete ACL/MCL deficiency induces variable degrees of instability in sheep with specific kinematic abnormalities correlating with degrees of early osteoarthritis. J Orthop Res 2012; 30:384-92. [PMID: 21919045 DOI: 10.1002/jor.21549] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2011] [Accepted: 08/22/2011] [Indexed: 02/04/2023]
Abstract
People are not equally disabled by combined anterior cruciate ligament (ACL)/medial collateral ligament (MCL) injuries, nor do they all develop osteoarthritis (OA). Although biological/biomechanical causes are not clear, some association presumably exists between joint instability and OA development. We hypothesized that degree of OA development following standardized complete ACL/MCL injuries will vary directly with the degree of biomechanical abnormality between individuals. Three groups of sheep were used to test the hypothesis: 17 normal, 9 ACL/MCL transected, and 7 sham animals. Normal joints were assessed morphologically while sham and experimental animals had gait assessment pre- and at 4 and 20 weeks post-surgery, with cartilage and bone changes being mapped and graded at sacrifice at 20 weeks. Sham joints were morphologically normal and had only one minor kinematic change at 20 weeks. Although variable, ACL/MCL deficient animals showed significant kinematic abnormalities in 4/6 degrees of freedom (DOFs), as well as cartilage/bone damage by 20 weeks (p < 0.05). Linear regression analysis revealed that changes in medial-lateral (ML) translation were related to the current level of joint degradation as represented by total gross OA score (p = 0.0044, R(2) = 0.71) in the ACL/MCL transected group. Even identical ACL/MCL injuries result in inter-animal variations in instability and OA, however significant kinematic abnormalities in ML translation do relate to early OA in sheep.
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Affiliation(s)
- Cyril B Frank
- The McCaig Institute for Bone & Joint Health, Faculty of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta, Canada T2N 4N1.
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Yasuda K, van Eck CF, Hoshino Y, Fu FH, Tashman S. Anatomic single- and double-bundle anterior cruciate ligament reconstruction, part 1: Basic science. Am J Sports Med 2011; 39:1789-99. [PMID: 21596902 DOI: 10.1177/0363546511402659] [Citation(s) in RCA: 119] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Anterior cruciate ligament reconstruction is a frequently performed orthopaedic procedure. Although short-term results are generally good, long-term outcomes are less favorable. Thus, there is renewed interest in improving surgical techniques. Recent studies of anterior cruciate ligament anatomy and function have characterized the 2-bundle structure of the native ligament. During non-weightbearing conditions, the anteromedial (AM) and posterolateral (PL) bundles display reciprocal tension patterns. However, during weightbearing, both the AM and PL bundles are maximally elongated at low flexion angles and shorten significantly with increasing knee flexion. Conventional single-bundle reconstruction techniques often result in nonanatomic tunnel placement, with a tibial PL to a femoral "high AM" tunnel position. In vitro studies have demonstrated that these nonanatomic single-bundle reconstructions cannot completely restore normal anterior-posterior or rotatory laxity. Cadaveric studies suggest that anatomic single-bundle and anatomic double-bundle reconstruction may better restore knee stability. Although many cadaver studies suggest that double-bundle reconstruction techniques result in superior stability when compared with single-bundle techniques, others failed to demonstrate a clear benefit of this more complex procedure. Cadaver studies generally do not apply physiologically relevant loads and provide only a "time-zero" assessment that ignores effects of healing and remodeling after anterior cruciate ligament reconstruction. In vivo, dynamic studies offer the most comprehensive assessment of knee function after injury or reconstruction, as they can evaluate dynamic stability during functional joint loading. Studies of knee kinematics during activities such as gait and running suggest that nonanatomic single-bundle anterior cruciate ligament reconstruction fails to restore preinjury knee function under functional loading conditions. Similar studies of more anatomic single- and double-bundle surgical approaches are in progress, and preliminary results suggest that these anatomic techniques may be more effective for restoring preinjury knee function. However, more extensive, well-designed studies of both kinematics and long-term outcomes are warranted to characterize the potential benefits of more anatomic reconstruction techniques for improving long-term outcomes after anterior cruciate ligament reconstruction.
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Affiliation(s)
- Kazunori Yasuda
- Department of Sports Medicine and Joint Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, Japan
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Bey MJ, Kline SK, Baker AR, McCarron JA, Iannotti JP, Derwin KA. Estimation of dynamic, in vivo soft-tissue deformation: experimental technique and application in a canine model of tendon injury and repair. J Orthop Res 2011; 29:822-7. [PMID: 21520256 PMCID: PMC6100779 DOI: 10.1002/jor.21315] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2010] [Accepted: 10/08/2010] [Indexed: 02/04/2023]
Abstract
Outcomes after rotator cuff surgery are typically assessed with measures of strength, joint motion, or pain, but these measures do not provide a direct assessment of tissue function as healing progresses. To address this limitation, this manuscript describes biplane X-ray analysis as a technique for quantifying in vivo soft-tissue deformation. Tantalum beads were implanted in the humerus and infraspinatus tendon in a canine model of tendon injury and repair. Biplane X-ray images were acquired during treadmill trotting and tissue deformation was estimated from the three-dimensional bead positions. Changes over time were characterized by the mean, range, and normalized range (i.e., range/mean) of interbead distance. Intact tendon repair tissue demonstrated significant decreases over time in the mean (p = 0.003), range (p = 0.001), and normalized range (p = 0.001) of interbead distance. Failed tendon repair tissue demonstrated significant decreases over time in the range (p = 0.05) and normalized range (p = 0.04) of interbead distance. In an uninjured control, differences over time in the interbead distance parameters were not detected. This approach is a promising technique for estimating changes over time in soft-tissue deformation. These preliminary data indicate appreciable differences between normal tendons, intact repairs, and failed repairs.
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Affiliation(s)
- Michael J. Bey
- Bone and Joint Center, Henry Ford Hospital, 2799 W. Grand Boulevard, Detroit, Michigan 48202
| | - Stephanie K. Kline
- Bone and Joint Center, Henry Ford Hospital, 2799 W. Grand Boulevard, Detroit, Michigan 48202
| | - Andrew R. Baker
- Department of Biomedical Engineering, Cleveland Clinic, ND-20, 9500 Euclid Avenue, Cleveland, Ohio 44195
| | - Jesse A. McCarron
- Department of Orthopaedics, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, Ohio 44195
| | - Joseph P. Iannotti
- Department of Orthopaedics, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, Ohio 44195
| | - Kathleen A. Derwin
- Department of Biomedical Engineering, Cleveland Clinic, ND-20, 9500 Euclid Avenue, Cleveland, Ohio 44195
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Fu YC, Torres BT, Budsberg SC. Evaluation of a three-dimensional kinematic model for canine gait analysis. Am J Vet Res 2010; 71:1118-22. [PMID: 20919895 DOI: 10.2460/ajvr.71.10.1118] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate a 3-D kinematic model of the hind limb developed by use of a joint coordinate system in dogs. ANIMALS 6 clinically normal adult mixed-breed dogs. PROCEDURES 17 retroreflective markers were affixed to the skin on the right hind limb of each dog. Eight infrared cameras were arranged around a gait platform to record marker locations as dogs were recorded moving through the calibrated space 5 times during a walk and trot at velocities of 0.9 to 1.2 m/s and 1.7 to 2.1 m/s, respectively. Local and global coordinate systems were established, and a segmental rigid-body model of the canine hind limb was produced. Dynamic 3-D joint kinematic measurements were collected for the hip, stifle, and tarsal joints. RESULTS Sagittal (flexion-extension), transverse (internal-external rotation), and frontal (abduction-adduction) plane kinematic measurements were acquired during each trial for the hip, stifle, and tarsal joints. CONCLUSIONS AND CLINICAL RELEVANCE The joint coordinate system allowed acquisition of 3-D kinematic measurements of the hip, stifle, and tarsal joints of the canine hind limb. Methods were described to model 3-D joint motion of the canine hind limb.
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Affiliation(s)
- Yang-Chieh Fu
- Department of Kinesiology, College of Health Sciences, University of Georgia, Athens, GA 30602, USA
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Abstract
The stifle joint of dogs is an organ comprised of multiple tissue types that must work in concert to maintain joint health and function. Cruciate disease in dogs is caused by a spectrum of causal and risk factors that result in a final common pathway of abnormal biomechanics and abnormal biology causing osteoarthritis, or organ failure, of the stifle and the clinical signs of lameness, pain, and limb dysfunction. It is vital to understand the components of the biologic and biomechanical pathologies to improve our understanding of cruciate disease in dogs so that we can improve preventative, diagnostic, and therapeutic strategies for our canine patients.
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Affiliation(s)
- James L Cook
- Comparative Orthopaedic Laboratory, College of Veterinary Medicine, University of Missouri, Columbia, MO 65211, USA.
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Deneweth JM, Bey MJ, McLean SG, Lock TR, Kolowich PA, Tashman S. Tibiofemoral joint kinematics of the anterior cruciate ligament-reconstructed knee during a single-legged hop landing. Am J Sports Med 2010; 38:1820-8. [PMID: 20472756 DOI: 10.1177/0363546510365531] [Citation(s) in RCA: 85] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Abnormal 3-dimensional tibiofemoral joint kinematics have been identified in anterior cruciate ligament-reconstructed knees during functional gait tasks, which is suggested to directly affect risk of knee osteoarthritis. However, the extent to which similar high-risk abnormalities are present during more demanding maneuvers, such as single-legged hopping, is largely unknown. HYPOTHESIS When performing a single-legged forward hop landing, the reconstructed knee will demonstrate altered sagittal, frontal, and transverse plane kinematics compared with the contralateral limb. STUDY DESIGN Controlled laboratory study. METHODS High-speed biplane radiography was used to quantify bilateral 3-dimensional tibiofemoral joint kinematics in 9 subjects with unilaterally reconstructed anterior cruciate ligaments (mean time after surgery, 4 months) during 3 single-legged, forward hop landing trials. Mean subject-based initial foot contact and maximum stance (0-250 ms) values were calculated for each kinematic variable. Two-tailed paired t tests were subsequently applied to examine for the main effect of limb (reconstructed vs contralateral). RESULTS The reconstructed knees exhibited significantly greater extension (P = .04), external tibial rotation (P = .006), and medial tibial translation (P = .02) than the contralateral knees at initial contact. Reconstructed knees underwent significantly greater maximum flexion (P = .05), maximum external tibial rotation (P = .01), and maximum anterior tibial translation (P = .02). No significant differences existed between limbs for initial contact (P = .65) or maximum adduction-abduction (P = .55). CONCLUSION Tibiofemoral joint kinematics of the anterior cruciate ligament-reconstructed knee are significantly different from those of the uninjured contralateral limb during a single-legged hop landing. This altered kinematic profile, in conjunction with the large impact loads associated with hopping, may further contribute to the risk of posttraumatic knee osteoarthritis. CLINICAL RELEVANCE Returning to sports involving dynamic single-legged landings at 4 months after anterior cruciate ligament reconstruction surgery may contribute to accelerated knee joint degeneration.
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Derwin KA, Baker AR, Iannotti JP, McCarron JA. Preclinical models for translating regenerative medicine therapies for rotator cuff repair. TISSUE ENGINEERING PART B-REVIEWS 2010; 16:21-30. [PMID: 19663651 DOI: 10.1089/ten.teb.2009.0209] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Despite improvements in the understanding of rotator cuff pathology and advances in surgical treatment options, repairs of chronic rotator cuff tears often re-tear or fail to heal after surgery. Hence, there is a critical need for new regenerative repair strategies that provide effective mechanical reinforcement of rotator cuff repair as well as stimulate and enhance the patient's intrinsic healing potential. This article will discuss and identify appropriate models for translating regenerative medicine therapies for rotator cuff repair. Animal models are an essential part of the research and development pathway; however, no one animal model reproduces all of the features of the human injury condition. The rat shoulder is considered the most appropriate model to investigate the initial safety, mechanism, and efficacy of biologic treatments aimed to enhance tendon-to-bone repair. Whereas large animal models are considered more appropriate to investigate the surgical methods, safety and efficacy of the mechanical-or combination biologic/mechanical-strategies are ultimately needed for treating human patients. The human cadaver shoulder model, performed using standard-of-care repair techniques, is considered the best for establishing the surgical techniques and mechanical efficacy of various repair strategies at time zero. While preclinical models provide a critical aspect of the translational pathway for engineered tissues, controlled clinical trials and postmarketing surveillance are also needed to define the efficacy, proper indications, and the method of application for each new regenerative medicine strategy.
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Affiliation(s)
- Kathleen A Derwin
- Department of Biomedical Engineering, Orthopaedic Research Center, Cleveland Clinic, Cleveland, Ohio 44122, USA.
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Effects of firocoxib therapy on progression of osteoarthritis in a canine model. CURRENT ORTHOPAEDIC PRACTICE 2009. [DOI: 10.1097/bco.0b013e3181981d4d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Anderst WJ, Tashman S. The association between velocity of the center of closest proximity on subchondral bones and osteoarthritis progression. J Orthop Res 2009; 27:71-7. [PMID: 18634007 PMCID: PMC2605192 DOI: 10.1002/jor.20702] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Altered surface interactions following joint instability may apply novel, damaging loads to articular cartilage. This study measured the velocity of the centers of closest proximity on subchondral bone surfaces on the femur and tibia during running in normal and unstable canine stifle (knee) joints. The purpose was to explore the relationship between the velocity of the centers of closest proximity on subchondral bones and the severity of cartilage damage. Dynamic biplane radiography was used to acquire serial knee kinematics [5 control, 18 cranial cruciate ligament (CCL) deficient] during treadmill running over 2 years. Custom software calculated the difference between the rate at which the center of closest proximity on the femur translated relative to the femur bone surface and the rate at which the center of closest proximity on the tibia translated relative to the tibia bone surface. Comparisons were made between dogs that developed minor versus major medial compartment cartilage damage over 2 years. Major damage dogs showed a significantly greater increase in the difference between femur and tibia medial compartment closest proximity point velocity from the instant of paw strike to peak velocity difference at 2, 4, and 6 months after CCL transaction. This implies increased tangential forces associated with the velocity of the compressed cartilage region during joint movement (plowing) may be a mechanism that initiates osteoarthritis (OA) development and drives OA progression. In the future, articulating surface velocity measurements may be useful to identify patients at risk for long-term OA due to joint instability.
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Affiliation(s)
- William J Anderst
- Department of Orthopedics, Biodynamics Lab, University of Pittsburgh, Pittsburgh, Pennsylvania 15203, USA.
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Bingham JT, Papannagari R, Van de Velde SK, Gross C, Gill TJ, Felson DT, Rubash HE, Li G. In vivo cartilage contact deformation in the healthy human tibiofemoral joint. Rheumatology (Oxford) 2008; 47:1622-7. [PMID: 18775967 DOI: 10.1093/rheumatology/ken345] [Citation(s) in RCA: 102] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVES In vivo cartilage contact deformation is instrumental for understanding human joint function and degeneration. This study measured the total deformation of contacting articular cartilage in the human tibiofemoral joint during in vivo weight-bearing flexion. METHODS Eleven healthy knees were magnetic resonance (MR) scanned and imaged with a dual fluoroscopic system while the subject performed a weight-bearing single-leg lunge. The tibia, femur and associated articulating cartilage were constructed from the MR images and combined with the dual fluoroscopic images to determine in vivo cartilage contact deformation from full extension to 120 degrees of flexion. RESULTS In both compartments, minimum peak compartmental contact deformation occurred at 30 degrees of flexion (24 +/- 6% medial, 17 +/- 7% lateral) and maximum peak compartmental deformation occurred at 120 degrees of flexion (30 +/- 13% medial, 30 +/- 10% lateral) during the weight-bearing flexion from full extension to 120 degrees. Average medial contact areas and peak contact deformations were significantly greater than lateral compartment values (P < 0.05). In addition, cartilage thickness in regions of contact was on average 1.4- and 1.1-times thicker than the average thickness of the tibial and femoral cartilage surfaces, respectively (P < 0.05). CONCLUSIONS These data may provide base-line knowledge for investigating the effects of various knee injuries on joint contact biomechanics and the aetiology of cartilage degeneration.
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Affiliation(s)
- J T Bingham
- Department of Orthopaedic Surgery, Bioengineering Laboratory, Massachusetts General Hospital/Harvard Medical School, Boston, MA 02114, USA
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Patient-specific knee joint finite element model validation with high-accuracy kinematics from biplane dynamic Roentgen stereogrammetric analysis. J Biomech 2008; 41:2633-8. [DOI: 10.1016/j.jbiomech.2008.06.027] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2008] [Revised: 06/12/2008] [Accepted: 06/16/2008] [Indexed: 11/18/2022]
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Boulocher C, Duclos ME, Arnault F, Roualdes O, Fau D, Hartmann DJ, Roger T, Vignon E, Viguier E. Knee joint ultrasonography of the ACLT rabbit experimental model of osteoarthritis: relevance and effectiveness in detecting meniscal lesions. Osteoarthritis Cartilage 2008; 16:470-9. [PMID: 17889569 DOI: 10.1016/j.joca.2007.07.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2007] [Accepted: 07/29/2007] [Indexed: 02/02/2023]
Abstract
OBJECTIVES To develop a protocol for rabbit knee joint ultrasonography (US); to grade ultrasonographically the meniscal injuries of the anterior cruciate ligament transection (ACLT) rabbit model of osteoarthritis (OA); to assess with US the effectiveness of the ACLT; to compare final US with macroscopy for the evaluation of medial and lateral meniscal injuries depending on the age and weight when ACLT is performed. METHODS Twenty-two skeletally mature and adolescent New Zealand white rabbits were housed during the same period at the Institut Claude-Bourgelat, Lyon, France. Surgical ACLT was performed in the left knee of nine adolescent and five adult rabbits. Final US and macroscopic semi-quantitative grading of the meniscal injuries were compared 5 months after ACLT. RESULTS A standardised protocol was developed to evaluate the rabbit knee joint. US was performed in both control and ACLT knees. Normal and abnormal meniscal US appearances were described. A semi-quantitative scale to grade US meniscal injuries was created. Macroscopic and US total meniscal scores were significantly positively correlated (P<0.001, r=0.70). US detection of meniscal injuries was 92% sensitive and 87.5% specific compared to macroscopy. Positive and negative predictive values of US were, respectively, 92% and 87.5%. US detection of the ACLT effectiveness was 100% specific and 78.5% sensitive. CONCLUSION A significant relationship was found between ultrasonographic and macroscopic grading of meniscal injuries. US was both specific and sensitive in detecting meniscal lesions. We propose US as a non-invasive, non-expensive, in vivo imaging technique for preclinical studies in the ACLT rabbit OA model.
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Affiliation(s)
- C Boulocher
- Université de Lyon, UR RTI2B, F-69003, France.
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35
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WHATMOUGH CHARLOTTE, MOORES ANDREWP, MAGALHAES RICARDOSOARES, LAMB CHRISTOPHERR. FACTORS AFFECTING WIDTH OF THE CANINE FEMOROTIBIAL JOINT SPACE IN NONWEIGHT-BEARING RADIOGRAPHS. Vet Radiol Ultrasound 2008; 49:129-34. [DOI: 10.1111/j.1740-8261.2008.00338.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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D'Anjou MA, Moreau M, Troncy E, Martel-Pelletier J, Abram F, Raynauld JP, Pelletier JP. Osteophytosis, subchondral bone sclerosis, joint effusion and soft tissue thickening in canine experimental stifle osteoarthritis: comparison between 1.5 T magnetic resonance imaging and computed radiography. Vet Surg 2008; 37:166-77. [PMID: 18251811 DOI: 10.1111/j.1532-950x.2007.00363.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To compare use of 1.5 T magnetic resonance imaging (MRI) and computed radiography (CR) for morphologic and temporal evaluation of osteophytosis, subchondral sclerosis, joint effusion, and synovial thickening in experimentally induced canine stifle osteoarthritis (OA). STUDY DESIGN Prospective study. ANIMALS Dogs (n=8). METHODS CR (mediolateral and caudocranial projections) and MRI (dorsal 3D T1-weighted gradient echo, sagittal 3D SPGR and T2-weighted fast spin echo with fat saturation) were performed at baseline (n=8) and at week 4 (n=5), week 8 (n=8), and week 26 (n=5) after cranial cruciate ligament transection. Osteophytosis, subchondral bone sclerosis, and joint effusion were scored on CR and MRI, and synovial thickening on MRI. RESULTS MRI was more sensitive than CR for detection of osteophytosis and could better discriminate joint effusion from soft tissue thickening, although scores for these variables strongly correlated between modalities (rho=0.94 [osteophytosis] and 0.80 [effusion]; P<.001). Scores for subchondral bone sclerosis also correlated (rho=0.54, P<.004), although this variable may have been over interpreted on CR. Joint effusion and synovial thickening peaked at week 8, before partially regressing at week 26. Conversely, osteophytosis and sclerosis progressed semi-linearly over 26 weeks. CONCLUSION MRI is more sensitive than radiography in assessing onset and progression of osteophytosis in canine experimental stifle OA and provides enhanced discrimination between joint effusion and synovial thickening. CLINICAL RELEVANCE MRI is as a more powerful imaging modality that should be increasingly used in animals to assess the joint related effects of disease-modifying OA drugs.
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Affiliation(s)
- Marc-André D'Anjou
- Companion Animal Research Group, Département de Sciences Cliniques, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, Québec, Canada.
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Budsberg SC, Bergh MS, Reynolds LR, Streppa HK. Evaluation of Pentosan Polysulfate Sodium in the Postoperative Recovery from Cranial Cruciate Injury in Dogs: A Randomized, Placebo-Controlled Clinical Trial. Vet Surg 2007; 36:234-44. [PMID: 17461948 DOI: 10.1111/j.1532-950x.2007.00256.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
OBJECTIVE To evaluate the efficacy of pentosan polysulfate (PPS) for improving the recovery period and mitigate the progression of osteoarthritis (OA) of the canine stifle after extracapsular stabilization of cranial cruciate ligament (CCL) injuries. STUDY DESIGN Randomized, blinded, placebo-controlled clinical trial. ANIMALS Dogs (n=40) with unilateral CCL instability. METHODS Each dog had an extracapsular stabilization of the stifle with or without partial meniscectomy. Dogs were divided into 4 groups based on preoperative radiographic assessment and whether a partial meniscectomy was performed. Dogs were randomly assigned to either (3 mg/kg) PPS or placebo treatment in each group, and then injected subcutaneously weekly for 4 weeks. Lameness, radiographic changes, biological marker concentration in blood and urine, and ground reaction forces (GRFs) were collected preoperatively, and at 6, 12, 24, and 48 weeks. Data were analyzed within and between groups using repeated measures ANOVA; P<.05 was considered significant. RESULTS No adverse reactions to PPS were reported. Thirty-nine dogs completed a minimum of 24-weeks follow-up and 33 dogs completed 48 weeks. All dogs clinically improved after surgery without differences in lameness score, vertical GRFs, or radiographic progression. Grouped and evaluated only by initial radiographic score, PPS-treated dogs improved significantly faster in braking GRFs than placebo-treated dogs. In dogs with partial meniscectomies, urine deoxypyridinoline, and serum carboxy-propeptide of type II collagen were significantly increased at 6 weeks in placebo-treated dogs compared with PPS-treated dogs. CONCLUSIONS PPS administered after stabilization of the cruciate deficient stifle may prove to be a useful adjunctive treatment option, although further studies are necessary to substantiate this claim.
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Affiliation(s)
- Steven C Budsberg
- Department of Small Animal Medicine and Surgery, University of Georgia College of Veterinary Medicine, Athens, GA 30602, USA.
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Derwin KA, Baker AR, Codsi MJ, Iannotti JP. Assessment of the canine model of rotator cuff injury and repair. J Shoulder Elbow Surg 2007; 16:S140-8. [PMID: 17560802 PMCID: PMC2204080 DOI: 10.1016/j.jse.2007.04.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2006] [Revised: 03/19/2007] [Accepted: 04/02/2007] [Indexed: 02/01/2023]
Abstract
Animal shoulder models are used to systematically investigate the factors influencing rotator cuff injury and repair. Each model has advantages and disadvantages that must be considered in the context of the specific research questions being asked. This study evaluated the utility of the canine model for studies of acute, full-thickness rotator cuff tendon injury and repair. We found that time-zero failure load is dependent on the suture type and configuration used for repair. Acute, full-width tendon repairs fail anatomically within the first days after surgery in the canine model, regardless of suture type, suture configuration, or postoperative protocol. Robust scar tissue forms in the gap between the failed tendon end and the humerus, which can be visually, mechanically, and histologically misconstrued as tendon if an objective test of repair connectivity is not performed. We conclude that a full-width injury and repair model in the canine will provide a rigorous test of whether a new repair strategy or postoperative protocol, such as casting or temporary muscle paralysis, can maintain repair integrity in a high-load environment. Alternatively, a partial-width tendon injury model allows loads to be shared between the tendon repair and the remaining intact portion of the infraspinatus tendon and prohibits complete tendon retraction. Thus a partial-width injury in the canine may model the mechanical environment of many single tendon tears in the human injury condition and warrants further investigation.
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Affiliation(s)
- Kathleen A Derwin
- Department of Biomedical Engineering, Lerner Research Institute and Orthopaedic Research Center, The Cleveland Clinic, Cleveland, OH 44195, USA.
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Ameye LG, Young MF. Animal models of osteoarthritis: lessons learned while seeking the "Holy Grail". Curr Opin Rheumatol 2006; 18:537-47. [PMID: 16896297 DOI: 10.1097/01.bor.0000240369.39713.af] [Citation(s) in RCA: 97] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
PURPOSE OF REVIEW Difficulties in studying osteoarthritis in humans that stem from both the low sensitivity of diagnostic tools and the low availability of diseased tissues explain why research on animal models remains highly dynamic. This review will summarize the recent advances in this field. RECENT FINDINGS With regard to the etiology of osteoarthritis, synovial macrophages mediate osteophyte formation, whereas increased ligament laxity could be responsible for spontaneous osteoarthritis in guinea pigs. The concomitant changes in subchondral bone and cartilage reported in several models, and the structure-modifying effects of some bone inhibitors have confirmed the importance of bone in osteoarthritis. With regard to cartilage pathobiology, ADAMTS-5 is the major aggrecanase responsible for cartilage destruction, whereas inadequate control of oxidative stress and decreased expression of transforming growth factor-beta receptors could predispose to osteoarthritis. New models include a postmenopausal rat model, the groove model and a joint-specific bone morphogenetic receptor-deficient mouse. The iodoacetate model was also validated as the first pain model of osteoarthritis. SUMMARY In view of the multiple animal models available, there is a need to reach a consensus on one or several gold standard animal model(s). New studies indicate that important differences in therapeutic response exist between young and old animals, and between spontaneous and surgical models, suggesting that not all models are adequate models of osteoarthritis.
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Affiliation(s)
- Laurent G Ameye
- Nutrition and Health Department, Nestlé Research Center, 1000 Lausanne 26, Switzerland.
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