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Cao S, Ji W, Zan Q, Chen Z, Liu Y, Chen Y, Li Y. Evaluation of the efficacy of autogenous tibial periosteal bone grafting in the treatment of osteochondral lesions of the talus and analysis of three-dimensional factors in the necrotic zone. INTERNATIONAL ORTHOPAEDICS 2024; 48:1831-1838. [PMID: 38558192 DOI: 10.1007/s00264-024-06161-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 03/23/2024] [Indexed: 04/04/2024]
Abstract
PURPOSE This study aims to explore the clinical value of autogenous tibial periosteal bone grafting in the treatment of osteochondral lesions of the talus (OLT) and analyze the three-dimensional factors in the necrotic zone of the talus. METHODS A retrospective analysis was performed on 36 patients who underwent autogenous tibial periosteal bone grafting in the Foot and Ankle Surgery Department of our hospital between September 2018 and September 2022. The American Orthopaedic Foot and Ankle Society (AOFAS), Visual Analogue Scale (VAS), and Chinese Short-Form 36 Health Survey (SF-36) were used to evaluate treatment efficacy prior to surgery and at the last follow-up. Furthermore, Mimics 21.0 software was employed to measure the three-dimensional data of the necrotic area, including surface area, volume, and depth, in order to investigate their potential impact on patient prognosis. RESULTS Among the 36 OLT patients who obtained complete follow-up, there were 22 males and 14 females. No complications such as surgical site infection, non-union of cartilage, post-traumatic arthritis, or donor site pain were observed. The AOFAS, VAS, and Chinese SF-36 scores of all patients at the last follow-up showed significant improvement compared to preoperative values. There was no significant correlation between the AOFAS, VAS, and Chinese SF-36 scores at the last follow-up and the depth, surface area, and volume of the necrotic zone. CONCLUSION The use of autogenous tibial periosteal bone grafting can safely and effectively treat Hepple V OLT. Additionally, there is no significant correlation between the three-dimensional factors of the necrotic area and the prognosis of the patients.
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Affiliation(s)
- ShiHang Cao
- Honghui Hospital, Xi'an Jiaotong University, Xi'an, 710000, Shaanxi, China
| | - WeiNa Ji
- Honghui Hospital, Xi'an Jiaotong University, Xi'an, 710000, Shaanxi, China
| | - Qiang Zan
- Affiliated Hospital of Shaanxi University of Traditional Chinese Medicine, Xianyang, 712046, Shaanxi, China
| | - ZiYing Chen
- Affiliated Hospital of Shaanxi University of Traditional Chinese Medicine, Xianyang, 712046, Shaanxi, China
| | - Yang Liu
- Honghui Hospital, Xi'an Jiaotong University, Xi'an, 710000, Shaanxi, China
| | - YongCheng Chen
- Honghui Hospital, Xi'an Jiaotong University, Xi'an, 710000, Shaanxi, China
| | - Yi Li
- Honghui Hospital, Xi'an Jiaotong University, Xi'an, 710000, Shaanxi, China.
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Hamsayeh Abbasi Niasar E, Brenneman Wilson EC, Quenneville CE, Maly MR, Li LP. Region partitioning of articular cartilage with streaming-potential-based parameters and indentation maps. J Mech Behav Biomed Mater 2024; 154:106534. [PMID: 38581961 DOI: 10.1016/j.jmbbm.2024.106534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 03/17/2024] [Accepted: 03/30/2024] [Indexed: 04/08/2024]
Abstract
Articular cartilage exhibits site-specific tissue inhomogeneity, for which the tissue properties may continuously vary across the articular surface. To facilitate practical applications such as studying site-specific cartilage degeneration, the inhomogeneity may be approximated with several distinct region-wise variations, with one set of tissue properties for one region. A clustering method was previously developed to partition such regions using cartilage indentation-relaxation and thickness mapping instead of simply using surface geometry. In the present study, a quantitative parameter based on streaming potential measurement was introduced as an additional feature to assess the applicability of the methodology with independent datasets. Experimental data were collected from 24 sets of femoral condyles, extracted from fresh porcine stifle joints, through streaming potential mapping, automated indentation, and needle penetration tests. K-means clustering and Elbow method were used to find optimal region partitions. Consistent with previous findings, three regions were suggested for either lateral or medial condyle regardless of left or right joint. The region shapes were approximately triangular or trapezoidal, which was similar to what was found previously. Streaming potentials were confirmed to be region-dependent, but not significantly different among joints. The cartilage was significantly thicker in the medial than lateral condyles. The region areas were consistent among joints, and comparable to that found in a previous study. The present study demonstrated the capability of region partitioning methods with different variables, which may facilitate new applications whenever site-specific tissue properties must be considered.
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Affiliation(s)
| | | | - C E Quenneville
- Department of Mechanical Engineering, McMaster University, Hamilton, ON, Canada
| | - M R Maly
- Department of Kinesiology and Health Sciences, University of Waterloo, ON, Canada
| | - L P Li
- Department of Mechanical and Manufacturing Engineering, University of Calgary, AB, Canada.
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Li L, Li J, Zhou P, He Y, Li Y, Deng X, Jiang H, Liu J, Li Z. Decreased medial posterior tibial slope is associated with an increased risk of posterior cruciate ligament rupture. Knee Surg Sports Traumatol Arthrosc 2023; 31:2966-2973. [PMID: 36622419 DOI: 10.1007/s00167-023-07308-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 01/02/2023] [Indexed: 01/10/2023]
Abstract
PURPOSE It remains unclear whether there is an association between posterior cruciate ligament (PCL) rupture and the medial posterior tibial slope (MTS) or lateral posterior tibial slope (LTS). The present case-control study aimed to investigate a possible association between primary PCL rupture and MTS or LTS measured by magnetic resonance imaging (MRI). METHODS A retrospective case-control study was conducted. Patients with primary PCL ruptures but not with anterior cruciate ligament injuries, were 1:1 matched by age and sex to a control group with no evidence of knee ligament injuries. Knee MRI was used to measure the MTS and LTS. In addition, the receiver operating characteristic (ROC) analysis was performed to identify an optimal cut-off value of the MTS and/or LTS. RESULTS In total, 46 patients with PCL ruptures (32 males, 14 females) and 46 controls (32 males, 14 females) were included in this study. The MTS was significantly lower in the patients with PCL ruptures (3.0° ± 2.2°) than in the control group (5.1° ± 2.3°, p < 0.001). The mean LTS/MTS ratio was significantly higher in patients with PCL ruptures (2.6 ± 2.5) than in the control group (1.3 ± 1.3, p = 0.001). However, the LTS was not significantly different between patients with PCL ruptures and the controls (4.4° ± 2.3° vs. 5.3° ± 2.6°, n.s.). After the MTS was determined to be a significant predictor, the ROC analysis was performed. The ROC analysis revealed the most accurate MTS cut-off of < 3.9°, with a sensitivity of 76.1% and a specificity of 73.9%. CONCLUSION A decreased MTS and an increased LTS/MTS ratio are associated with an increased risk of primary PCL rupture. People with MTS < 3.9° are particularly at risk for PCL ruptures, and prevention and intervention programs for PCL ruptures should be developed and targeted towards them. LEVELS OF EVIDENCE Level III.
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Affiliation(s)
- Lingzhi Li
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopaedic Engineering, Luzhou, 646000, Sichuan, People's Republic of China
| | - Jun Li
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopaedic Engineering, Luzhou, 646000, Sichuan, People's Republic of China
| | - Peng Zhou
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopaedic Engineering, Luzhou, 646000, Sichuan, People's Republic of China
| | - Yanwei He
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopaedic Engineering, Luzhou, 646000, Sichuan, People's Republic of China
| | - Yuan Li
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopaedic Engineering, Luzhou, 646000, Sichuan, People's Republic of China
| | - Xiangtian Deng
- Orthopedic Research Institution, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, People's Republic of China
| | - Hao Jiang
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopaedic Engineering, Luzhou, 646000, Sichuan, People's Republic of China
| | - Juncai Liu
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopaedic Engineering, Luzhou, 646000, Sichuan, People's Republic of China.
| | - Zhong Li
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopaedic Engineering, Luzhou, 646000, Sichuan, People's Republic of China.
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Ateshian GA, Hung CT, Weiss JA, Zimmerman BK. Modeling Inelastic Responses Using Constrained Reactive Mixtures. EUROPEAN JOURNAL OF MECHANICS. A, SOLIDS 2023; 100:105009. [PMID: 37252210 PMCID: PMC10211082 DOI: 10.1016/j.euromechsol.2023.105009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
This study reviews the progression of our research, from modeling growth theories for cartilage tissue engineering, to the formulation of constrained reactive mixture theories to model inelastic responses in any solid material, such as theories for damage mechanics, viscoelasticity, plasticity, and elasto-plastic damage. In this framework, multiple solid generations α can co-exist at any given time in the mixture. The oldest generation is denoted by α = s and is called the master generation, whose reference configuration X s is observable. The solid generations α are all constrained to share the same velocity v s , but may have distinct reference configurations X α . An important element of this formulation is that the time-invariant mapping F α s = ∂ X α / ∂ X s between these reference configurations is a function of state, whose mathematical formulation is postulated by constitutive assumption. Thus, reference configurations X α are not observable ( α ≠ s ) . This formulation employs only observable state variables, such as the deformation gradient F s of the master generation and the referential mass concentrations ρ r α of each generation, in contrast to classical formulations of inelastic responses which rely on internal state variable theory, requiring evolution equations for those hidden variables. In constrained reactive mixtures, the evolution of the mass concentrations is governed by the axiom of mass balance, using constitutive models for the mass supply densities ρ ˆ r α . Classical and constrained reactive mixture approaches share considerable mathematical analogies, as they both introduce a multiplicative decomposition of the deformation gradient, also requiring evolution equations to track some of the state variables. However, they also differ at a fundamental level, since one adopts only observable state variables while the other introduces hidden state variables. In summary, this review presents an alternative foundational approach to the modeling of inelastic responses in solids, grounded in the classical framework of mixture theory.
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Affiliation(s)
- Gerard A. Ateshian
- Columbia University, Department of Mechanical Engineering, 10027, New York, New York, United States
| | - Clark T. Hung
- Columbia University, Department of Biomedical Engineering, 10027, New York, New York, United States
| | - Jeffrey A. Weiss
- University of Utah, Department of Biomedical Engineering, 84112, Salt Lake City, Utah, United States
| | - Brandon K. Zimmerman
- Lawrence Livermore National Laboratory, Computational Geosciences Group, 94550, Livermore, California, United States
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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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Thomeer LT, Guan S, Gray HA, Pandy MG. Articular contact motion at the knee during daily activities. J Orthop Res 2022; 40:1756-1769. [PMID: 34878691 DOI: 10.1002/jor.25222] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 08/31/2021] [Accepted: 11/20/2021] [Indexed: 02/04/2023]
Abstract
We combined mobile biplane X-ray imaging and magnetic resonance imaging to measure the regions of articular cartilage contact and cartilage thickness at the tibiofemoral and patellofemoral joints during six functional activities: standing, level walking, downhill walking, stair ascent, stair descent, and open-chain (non-weight-bearing) knee flexion. The contact centers traced similar paths on the medial and lateral femoral condyles, femoral trochlea, and patellar facet in all activities while their locations on the tibial plateau were more varied. The translations of the contact centers on the femur and patella were tightly coupled to the tibiofemoral flexion angle in all activities (r2 > 0.95) whereas those on the tibia were only moderately related to the flexion angle (r2 > 0.62). The regions of contacting cartilage were significantly thicker than the regions of non-contacting cartilage on the patella, femoral trochlea, and the medial and lateral tibial plateaus in all activities (p < 0.001). There were no significant differences in thickness between contacting and non-contacting cartilage on the medial and lateral femoral condyles in all activities, except open-chain knee flexion. Our results provide partial support for the proposition that cartilage thickness is adapted to joint load and do not exclude the possibility that other factors, such as joint congruence, also play a role in regulating the structure and organization of healthy cartilage. The data obtained in this study may serve as a guide when evaluating articular contact motion in osteoarthritic and reconstructed knees.
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Affiliation(s)
- Lucas T Thomeer
- Department of Mechanical Engineering, University of Melbourne, Parkville, Victoria, Australia
| | - Shanyuanye Guan
- Department of Mechanical Engineering, University of Melbourne, Parkville, Victoria, Australia
| | - Hans A Gray
- Department of Mechanical Engineering, University of Melbourne, Parkville, Victoria, Australia
| | - Marcus G Pandy
- Department of Mechanical Engineering, University of Melbourne, Parkville, Victoria, Australia
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Cartilage thickness and bone shape variations as a function of sex, height, body mass, and age in young adult knees. Sci Rep 2022; 12:11707. [PMID: 35810204 PMCID: PMC9271066 DOI: 10.1038/s41598-022-15585-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 06/27/2022] [Indexed: 11/22/2022] Open
Abstract
The functional relationship between bone and cartilage is modulated by mechanical factors. Scarce data exist on the relationship between bone shape and the spatial distribution of cartilage thickness. The aim of the study was to characterise the coupled variation in knee bone morphology and cartilage thickness distributions in knees with healthy cartilage and investigate this relationship as a function of sex, height, body mass, and age. MR images of 51 knees from young adults (28.4 ± 4.1 years) were obtained from a previous study and used to train a statistical shape model of the femur, tibia, and patella and their cartilages. Five multiple linear regression models were fitted to characterise morphology as a function of sex, height, body mass, and age. A logistic regression classifier was fitted to characterise morphological differences between males and females, and tenfold cross-validation was performed to evaluate the models’ performance. Our results showed that cartilage thickness and its distribution were coupled to bone morphology. The first five shape modes captured over 90% of the variance and described coupled changes to the bone and spatial distribution of cartilage thickness. Mode 1 (size) was correlated to sex (p < 0.001) and height (p < 0.0001). Mode 2 (aspect ratio) was also correlated to sex (p = 0.006) and height (p = 0.017). Mode 4 (condylar depth) was correlated to sex only (p = 0.024). A logistic regression model trained on modes 1, 2, and 4 could classify sex with an accuracy of 92.2% (95% CI [81.1%, 97.8%]). No other modes were influenced by sex, height, body mass, or age. This study demonstrated the coupled relationship between bone and cartilage, showing that cartilage is thicker with increased bone size, diaphysis size, and decreased femoral skew. Our results show that sex and height influence bone shape and the spatial distribution of cartilage thickness in a healthy young adult population, but body mass and age do not.
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Krause F, Anwander H. Osteochondral lesion of the talus: still a problem? EFORT Open Rev 2022; 7:337-343. [PMID: 35638600 PMCID: PMC9257727 DOI: 10.1530/eor-22-0024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Osteochondral lesion of the talus (OLT) often occurs after ankle trauma or repetitive micro-traumata, whereas the actual etiology remains unclear. The most common symptoms are local pain deep in the medial or lateral ankle that increases with weight-bearing and activity, accompanied by tenderness and swelling. Eventually, most patients with symptomatic or unstable OLT require surgery. Many reasonable operative techniques have been described, whereas most lead to similar and satisfactory results. They can be divided into cartilage repair, cartilage regeneration and cartilage replacement techniques. The OLT size and morphology in the first place but also surgeon and individual patient aspects are considered when it comes to surgery. For high postoperative success and low recurrence rates, underlying causes, for example, ligamentous instability and hindfoot malalignment should also be addressed during surgery.
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Affiliation(s)
- Fabian Krause
- Department of Orthopaedic Surgery and Traumatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Helen Anwander
- Department of Orthopaedic Surgery and Traumatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
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Brutico JM, Wright ML, Kamel SI, Zoga AC, Poehling-Monaghan K, Hammoud S. The Relationship Between Discoid Meniscus and Articular Cartilage Thickness: A Quantitative Observational Study With MRI. Orthop J Sports Med 2022; 9:23259671211062258. [PMID: 34988233 PMCID: PMC8721379 DOI: 10.1177/23259671211062258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 08/24/2021] [Indexed: 11/17/2022] Open
Abstract
Background: Several cadaveric imaging studies have demonstrated that the articular cartilage thickness on the tibial plateau varies depending on coverage by native meniscal tissue. These differences are thought to partially contribute to the rates of cartilage degeneration and development of osteoarthritis after meniscectomy. Because there is greater tibial plateau coverage with meniscal tissue in the setting of a discoid meniscus, these findings may also have implications for the long-term health of the knee after saucerization of a torn discoid meniscus. Purpose: To evaluate the relationship between lateral compartment articular cartilage thickness and the presence or absence of a discoid meniscus. Study Design: Cross-sectional study; Level of evidence, 3. Methods: Included in the study were 25 patients younger than 40 years of age who had undergone a 1.5-T or 3-T knee magnetic resonance imaging (MRI) between 2010 and 2016 at a single institution and had an intact, lateral discoid meniscus. Only patients with an otherwise asymptomatic lateral compartment were included. The authors then identified 35 age-matched controls with a nondiscoid, intact lateral meniscus who underwent knee MRI at the same institution and during the same period. The articular cartilage thicknesses in 6 zones of the lateral femoral condyle (LFC) and lateral tibial plateau (LTP) were measured for each patient by 2 musculoskeletal radiologists, and the mean thicknesses were compared between the study and control groups. Results: The average age at MRI was 22.63 years (range, 8.30-35.90 years) for the discoid group and 20.93 years (range, 8.43-34.99 years) for the nondiscoid group. The nondiscoid group had significantly greater mean articular cartilage thickness in all 6 zones of the LTP (P < .05 for all). When comparing the zones of the LFC, there was no significant difference in the mean thickness in any zone between the 2 groups. Conclusion: Patients with discoid menisci had thinner baseline articular cartilage thickness in the LTP compared with those patients without discoid menisci.
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Affiliation(s)
- Joseph M Brutico
- Rothman Institute, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Margaret L Wright
- Rothman Institute, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Sarah I Kamel
- Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
| | - Adam C Zoga
- Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
| | | | - Sommer Hammoud
- Rothman Institute, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
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10
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Otarola G, Hu JC, Athanasiou KA. INTRACELLULAR CALCIUM AND SODIUM MODULATION OF SELF-ASSEMBLED NEOCARTILAGE USING COSTAL CHONDROCYTES. Tissue Eng Part A 2021; 28:595-605. [PMID: 34877888 DOI: 10.1089/ten.tea.2021.0169] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Ion signaling via Ca2+ and Na+ plays a key role in mechanotransduction and encourages a chondrogenic phenotype and tissue maturation. Here, we propose that the pleiotropic effects of Ca2+ and Na+ modulation can be used to induce maturation and improvement of neocartilage derived from re-differentiated expanded chondrocytes from minipig rib cartilage. Three ion modulators were employed: 1) 4α-phorbol-12,13-didecanoate (4-αPDD), an agonist of the Ca2+-permeable transient receptor potential vanilloid 4 (TRPV4), 2) ouabain, an inhibitor of the Na+/K+ pump, and 3) ionomycin, a Ca2+ ionophore. These ion modulators were used individually or in combination. While no beneficial effects were observed when using combinations of the ion modulators, single treatment of constructs with the three ion modulators resulted in multiple effects in structure-function relationships. The most significant findings were related to ionomycin. Treatment of neocartilage with ionomycin produced 61% and 115% increases in glycosaminoglycan and pyridinoline crosslink content, respectively, compared to the control. Moreover, treatment with this Ca2+ ionophore resulted in a 45% increase of the aggregate modulus, and a 63% increase in the tensile Young's modulus, resulting in aggregate and Young's moduli of 567 kPa and 8.43 MPa, respectively. These results support the use of ion modulation to develop biomimetic neocartilage using expanded re-differentiated costal chondrocytes.
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Affiliation(s)
- Gaston Otarola
- University of California, Irvine, BME, Irvine, California, United States;
| | - Jerry C Hu
- University of California, Irvine, BME, Irvine, California, United States;
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11
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Estell EG, Murphy LA, Gangi LR, Shah RP, Ateshian GA, Hung CT. Attachment of cartilage wear particles to the synovium negatively impacts friction properties. J Biomech 2021; 127:110668. [PMID: 34399243 DOI: 10.1016/j.jbiomech.2021.110668] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 07/25/2021] [Accepted: 07/28/2021] [Indexed: 11/17/2022]
Abstract
Cartilage wear particles are released into the synovial fluid by mechanical and chemical degradation of the articular surfaces during osteoarthritis and attach to the synovial membrane. Accumulation of wear particles could alter key tissue-level mechanical properties of the synovium, hindering its characteristically low-friction interactions with underlying articular surfaces in the synovial joint. The present study employs a custom loading device to further the characterization of native synovium friction properties, while investigating the hypothesis that attachment of cartilage wear particles increases friction coefficient. Juvenile bovine synovium demonstrated characteristically low friction coefficients in sliding contact with glass, in agreement with historical measurements. Friction coefficient increased with higher normal load in saline, while lubrication with native synovial fluid maintained low friction coefficients at higher loads. Cartilage wear particles generated from juvenile bovine cartilage attached directly to synovium explants in static culture, with incorporation onto the tissue denoted by cell migration onto the particle surface. In dilute synovial fluid mimicking the decreased lubricating properties during osteoarthritis, wear particle attachment significantly increased friction coefficient against glass, and native cartilage and synovium. In addition to providing a novel characterization of synovial joint tribology this work highlights a potential mechanism for cartilage wear particles to perpetuate the degradative environment of osteoarthritis by modulating tissue-level properties of the synovium that could impact macroscopic wear as well as mechanical stimuli transmitted to resident cells.
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Affiliation(s)
- Eben G Estell
- Columbia University, Department of Biomedical Engineering, New York, NY, United States
| | - Lance A Murphy
- Columbia University, Department of Biomedical Engineering, New York, NY, United States
| | - Lianna R Gangi
- Columbia University, Department of Biomedical Engineering, New York, NY, United States
| | - Roshan P Shah
- Columbia University, Department of Orthopedic Surgery, New York, NY, United States
| | - Gerard A Ateshian
- Columbia University, Department of Biomedical Engineering, New York, NY, United States; Columbia University, Department of Mechanical Engineering, New York, NY, United States
| | - Clark T Hung
- Columbia University, Department of Biomedical Engineering, New York, NY, United States; Columbia University, Department of Orthopedic Surgery, New York, NY, United States.
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12
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Biehl M, Damm P, Trepczynski A, Preiss S, Salzmann GM. Towards planning of osteotomy around the knee with quantitative inclusion of the adduction moment: a biomechanical approach. J Exp Orthop 2021; 8:39. [PMID: 34115238 PMCID: PMC8193456 DOI: 10.1186/s40634-021-00324-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Accepted: 01/06/2021] [Indexed: 11/17/2022] Open
Abstract
PURPOSE Despite practised for decades, the planning of osteotomy around the knee, commonly using the Mikulicz-Line, is only empirically based, clinical outcome inconsistent and the target angle still controversial. A better target than the angle of frontal-plane static leg alignment might be the external frontal-plane lever arm (EFL) of the knee adduction moment. Hypothetically assessable from frontal-plane-radiograph skeleton dimensions, it might depend on the leg-alignment angle, the hip-centre-to-hip-centre distance, the femur- and tibia-length. METHODS The target EFL to achieve a medial compartment force ratio of 50% during level-walking was identified by relating in-vivo-measurement data of knee-internal loads from nine subjects with instrumented prostheses to the same subjects' EFLs computed from frontal-plane skeleton dimensions. Adduction moments derived from these calculated EFLs were compared to the subjects' adduction moments measured during gait analysis. RESULTS Highly significant relationships (0.88 ≤ R2 ≤ 0.90) were found for both the peak adduction moment measured during gait analysis and the medial compartment force ratio measured in vivo to EFL calculated from frontal-plane skeleton dimensions. Both correlations exceed the respective correlations with the leg alignment angle, EFL even predicts the adduction moment's first peak. The guideline EFL for planning osteotomy was identified to 0.349 times the epicondyle distance, hence deducing formulas for individualized target angles and Mikulicz-Line positions based on full-leg radiograph skeleton dimensions. Applied to realistic skeleton geometries, widespread results explain the inconsistency regarding correction recommendations, whereas results for average geometries exactly meet the most-consented "Fujisawa-Point". CONCLUSION Osteotomy outcome might be improved by planning re-alignment based on the provided formulas exploiting full-leg-radiograph skeleton dimensions.
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Grants
- Be 804/18, TR 1657/1-1, SFB 1444, Da 1786/5-1 Deutsche Forschungsgemeinschaft
- Be 804/18, TR 1657/1-1, SFB 1444, Da 1786/5-1 Deutsche Forschungsgemeinschaft
- OVERLOAD-PrevOP, 01EC1408A,01 EC1408A. workHEALTH, 01EC1905D Bundesministerium für Bildung und Forschung
- OVERLOAD-PrevOP, 01EC1408A,01 EC1408A. workHEALTH, 01EC1905D Bundesministerium für Bildung und Forschung
- Zimmer GmbH
- OrthoLoad Club
- Deutsche Arthrose-Hilfe e.V.
- Fraunhofer Institute for Biomedical Engineering (IBMT) (1050)
- Projekt DEAL
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Affiliation(s)
- Margit Biehl
- Fraunhofer Institute for Biomedical Engineering IBMT, Joseph-von-Fraunhofer-Weg 1, 66280, Sulzbach, Germany.
| | - Philipp Damm
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Adam Trepczynski
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Stefan Preiss
- Lower Extremity Orthopaedics, Musculoskeletal Center, Schulthess Clinic, Zurich, Switzerland
| | - Gian Max Salzmann
- Lower Extremity Orthopaedics, Musculoskeletal Center, Schulthess Clinic, Zurich, Switzerland
- Gelenkzentrum Rhein-Main, Wiesbaden, Germany
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13
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Oláh T, Cai X, Michaelis JC, Madry H. Comparative anatomy and morphology of the knee in translational models for articular cartilage disorders. Part I: Large animals. Ann Anat 2021; 235:151680. [PMID: 33548412 DOI: 10.1016/j.aanat.2021.151680] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 01/08/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND The human knee is a complex joint, and affected by a variety of articular cartilage disorders. Large animal models are critical to model the complex disease mechanisms affecting a functional joint. Species-dependent differences highly affect the results of a pre-clinical study and need to be considered, necessitating specific knowledge not only of macroscopic and microscopic anatomical and pathological aspects, but also characteristics of their individual gait and joint movements. METHODS Literature search in Pubmed. RESULTS AND DISCUSSION This narrative review summarizes the most relevant anatomical structural and functional characteristics of the knee (stifle) joints of the major translational large animal species, comprising dogs, (mini)pigs, sheep, goats, and horses in comparison with humans. Specific characteristics of each species, including kinematical gait parameters are provided. Considering these multifactorial dimensions will allow to select the appropriate model for answering the research questions in a clinically relevant fashion.
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Affiliation(s)
- Tamás Oláh
- Center of Experimental Orthopaedics, Saarland University, Homburg, Germany
| | - Xiaoyu Cai
- Center of Experimental Orthopaedics, Saarland University, Homburg, Germany
| | | | - Henning Madry
- Center of Experimental Orthopaedics, Saarland University, Homburg, Germany; Department of Orthopaedic Surgery, Saarland University Medical Center, Homburg, Germany.
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14
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Van de Kleut ML, Nair C, Milner JS, Holdsworth DW, Athwal GS, Teeter MG. In vivo reverse total shoulder arthroplasty contact mechanics. J Shoulder Elbow Surg 2021; 30:421-429. [PMID: 32580021 DOI: 10.1016/j.jse.2020.05.036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 05/19/2020] [Accepted: 05/24/2020] [Indexed: 02/01/2023]
Abstract
BACKGROUND Several in vitro studies have investigated the biomechanics of reverse total shoulder arthroplasty (RTSA); however, few in vivo studies exist. The purpose of this study was to examine in vivo RTSA contact mechanics in clinically relevant arm positions. Our hypothesis was that contact would preferentially occur in the inferior region of the polyethylene liner. METHODS Forty patients receiving a primary RTSA were recruited for a prospective cohort study. All patients received the same implant design with a nonretentive liner. Stereo radiographs were taken at maximal active range of motion. Model-based radiostereometric analysis was used to identify implant position. Contact area between the polyethylene and glenosphere was measured as the geometric intersection of the 2 components and compared with respect to polyethylene liner size, arm position, and relative position within the liner. RESULTS There were no differences in the proportion of contact area in any arm position between polyethylene liner sizes, ranging from 30% ± 17% to 38% ± 23% for 36-mm liners and 32% ± 21% to 41% ± 25% for 42-mm liners. Contact was equally distributed between the superior and inferior halves of the liner at each arm position (P = .06-.79); however, greater contact area was observed in the outer radius of the liner when the arm was flexed (P = .002). CONCLUSION This study highlights that contact mechanics are similar between 36- and 42-mm liners. Contact area is generally equally distributed throughout the liner across the range of motion and not preferentially in the inferior region as hypothesized.
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Affiliation(s)
- Madeleine L Van de Kleut
- Imaging Research Laboratories, Robarts Research Institute, London, ON, Canada; School of Biomedical Engineering, Western University, London, ON, Canada; Lawson Health Research Institute, London, ON, Canada.
| | | | - Jaques S Milner
- Imaging Research Laboratories, Robarts Research Institute, London, ON, Canada
| | - David W Holdsworth
- Imaging Research Laboratories, Robarts Research Institute, London, ON, Canada; Department of Medical Biophysics, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - George S Athwal
- Lawson Health Research Institute, London, ON, Canada; Roth
- McFarlane Hand and Upper Limb Center, Department of Surgery, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Matthew G Teeter
- Imaging Research Laboratories, Robarts Research Institute, London, ON, Canada; Lawson Health Research Institute, London, ON, Canada; Department of Medical Biophysics, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada; Roth
- McFarlane Hand and Upper Limb Center, Department of Surgery, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
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15
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Eugster M, Zoller EI, Krenn P, Blache S, Friederich NF, Muller-Gerbl M, Cattin PC, Rauter G. Quantitative Evaluation of the Thickness of the Available Manipulation Volume Inside the Knee Joint Capsule for Minimally Invasive Robotic Unicondylar Knee Arthroplasty. IEEE Trans Biomed Eng 2020; 68:2412-2422. [PMID: 33259290 DOI: 10.1109/tbme.2020.3041512] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Developing robotic tools that introduce substantial changes in the surgical workflow is challenging because quantitative requirements are missing. Experiments on cadavers can provide valuable information to derive workspace requirements, tool size, and surgical workflow. This work aimed to quantify the volume inside the knee joint available for manipulation of minimally invasive robotic surgical tools. In particular, we aim to develop a novel procedure for minimally invasive unicompartmental knee arthroplasty (UKA) using a robotic laser-cutting tool. METHODS Contrast solution was injected into nine cadaveric knees and computed tomography scans were performed to evaluate the tool manipulation volume inside the knee joints. The volume and distribution of the contrast solution inside the knee joints were analyzed with respect to the femur, tibia, and the anatomical locations that need to be reached by a laser-cutting tool to perform bone resection for a standard UKA implant. RESULTS Quantitative information was determined about the tool manipulation volume inside these nine knee joints and its distribution around the cutting lines required for a standard implant. CONCLUSION Based on the volume distribution, we could suggest a possible workflow for minimally invasive UKA, which provides a large manipulation volume, and deducted that for the proposed workflow, an instrument with a thickness of 5-8 mm should be feasible. SIGNIFICANCE We present quantitative information on the three-dimensional distribution of the maximally available volume inside the knee joint. Such quantitative information lays the basis for developing surgical tools that introduce substantial changes in the surgical workflow.
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16
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Oláh T, Michaelis JC, Cai X, Cucchiarini M, Madry H. Comparative anatomy and morphology of the knee in translational models for articular cartilage disorders. Part II: Small animals. Ann Anat 2020; 234:151630. [PMID: 33129976 DOI: 10.1016/j.aanat.2020.151630] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 10/14/2020] [Indexed: 12/26/2022]
Abstract
BACKGROUND Small animal models are critical to model the complex disease mechanisms affecting a functional joint leading to articular cartilage disorders. They are advantageous for several reasons and significantly contributed to the understanding of the mechanisms of cartilage diseases among which osteoarthritis. METHODS Literature search in Pubmed. RESULTS AND DISCUSSION This narrative review summarizes the most relevant anatomical structural and functional characteristics of the knee (stifle) joints of the major small animal species, including mice, rats, guinea pigs, and rabbits compared with humans. Specific characteristics of each species, including kinematical gait parameters are provided and compared with the human situation. When placed in a proper context respecting their challenges and limitations, small animal models are important and appropriate models for articular cartilage disorders.
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Affiliation(s)
- Tamás Oláh
- Center of Experimental Orthopaedics, Saarland University, Homburg, Germany
| | | | - Xiaoyu Cai
- Center of Experimental Orthopaedics, Saarland University, Homburg, Germany
| | - Magali Cucchiarini
- Center of Experimental Orthopaedics, Saarland University, Homburg, Germany
| | - Henning Madry
- Center of Experimental Orthopaedics, Saarland University, Homburg, Germany; Department of Orthopaedic Surgery, Saarland University Medical Center, Homburg, Germany.
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17
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Shegaf A, Speirs A. Cartilage Biomechanical Response Differs Under Physiological Biaxial Loads and Uniaxial Cyclic Compression. J Biomech Eng 2020; 142:054501. [PMID: 31825078 DOI: 10.1115/1.4045661] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Indexed: 07/25/2024]
Abstract
The main function of articular cartilage is to distribute loads and provide low friction for the opposing surfaces in synovial joints. Biphasic lubrication provided by high fluid load support due to relative motion of the contact surfaces has been widely accepted as the main lubrication mode in diarthrodial joints. However, assessment of chondrocyte response to mechanical loads typically employed nonphysiological uniaxial loads with static contact area. This study aimed to introduce a more physiologically relevant loading protocol for in vitro mechanobiological testing of cartilage explants. Finite element analysis was conducted to examine the biomechanical response of cartilage to two different loading regimes, biaxial loading, that permits migrating contact area, and unconfined uniaxial cyclic compression, traditionally used in mechanobiological experiments. Results predicted in this study showed that continuous tissue rehydration provided by relative surface motion maintained constant fluid pressure and tissue strains through the simulation. On the contrary, due to rapid tissue consolidation predicted in cyclic compression simulation, fluid pressure and transverse strain were reduced by 19% and 26%, respectively. Furthermore, relative surface motion simulation resulted in depth-dependent distribution of fluid pressure and tissue strains while unconfined uniaxial cyclic compression produced nearly uniform fluid pressure through the depth but higher at the center of the sample. Based on the results obtained from this study and since sliding contact occurs in vivo, this physiological loading mode should be considered in assessing biomechanical and mechanobiological cartilage behavior.
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Affiliation(s)
- Ali Shegaf
- Department of Mechanical and Aerospace Engineering, Carleton University, 1125 Colonel By Drive, MC, Rm. 3037, Ottawa, ON K1S 5B6, Canada
| | - Andrew Speirs
- Department of Mechanical and Aerospace Engineering, Carleton University, 1125 Colonel By Drive, CB, Rm. 3203, Ottawa, ON K1S 5B6, Canada
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18
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Cooper RJ, Wilcox RK, Jones AC. Finite element models of the tibiofemoral joint: A review of validation approaches and modelling challenges. Med Eng Phys 2019; 74:1-12. [DOI: 10.1016/j.medengphy.2019.08.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Revised: 08/05/2019] [Accepted: 08/21/2019] [Indexed: 12/20/2022]
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19
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Hyodo A, Ozeki N, Kohno Y, Suzuki S, Mizuno M, Otabe K, Katano H, Tomita M, Nakagawa Y, Koga H, Kiuchi S, Suzuki K, Itai Y, Masumoto J, Sekiya I. Projected Cartilage Area Ratio Determined by 3-Dimensional MRI Analysis: Validation of a Novel Technique to Evaluate Articular Cartilage. JB JS Open Access 2019; 4:e0010. [PMID: 32043053 PMCID: PMC6959912 DOI: 10.2106/jbjs.oa.19.00010] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
We have developed 3-dimensional (3D) magnetic resonance imaging (MRI) analysis software that allows measurement of the projected cartilage area ratio with a particular thickness intended to allow quantitation of the cartilage in the knee. Our aims in this study were to validate the projected cartilage area ratio in both pig and human knees and to examine the ratio in patients reporting knee pain. Methods After 3D MRI reconstruction, the femoral cartilage was projected onto a flat surface. The projected cartilage area was determined in pig knees using our 3D MRI analysis software, and was compared with the area obtained with other software. The projected cartilage area ratio (for cartilage thickness ≥1.5 mm) at 4 segments was also validated in human knees. Finally, changes in the projected cartilage area ratio were examined in 8 patients with knee pain who had undergone 2 MR images at 3 to 21-month intervals. Results The projected cartilage areas determined with our 3D MRI analysis software were validated in pig knees. The projected cartilage area ratio at each segment in human knees had an intraclass correlation coefficient (ICC) of 0.87 to 0.99 (n = 16) between readers and 0.76 to 0.99 (n = 20) between measurements on repeat MR images. The projected cartilage area ratio (for cartilage thickness ≥1.5 mm) at the most affected segment in 8 human patients significantly decreased between the pairs of MR images obtained at intervals of 3 to 21 months. Conclusions We proposed a novel evaluation method using 3D MRI to quantify the amount of cartilage in the knee. This method had a low measurement error in both pig and human knees. Clinical Relevance The projected cartilage area ratio based on a particular thickness may serve as a sensitive method for assessing changes in cartilage over time.
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Affiliation(s)
- Akinobu Hyodo
- Center for Stem Cell and Regenerative Medicine (A.H., N.O., Y.K., S.S., M.M., K.O., H. Katano, and I.S.), Clinical Research Center (M.T.), and Department of Joint Surgery and Sports Medicine (Y.N. and H. Koga), Tokyo Medical and Dental University, Tokyo, Japan
| | - Nobutake Ozeki
- Center for Stem Cell and Regenerative Medicine (A.H., N.O., Y.K., S.S., M.M., K.O., H. Katano, and I.S.), Clinical Research Center (M.T.), and Department of Joint Surgery and Sports Medicine (Y.N. and H. Koga), Tokyo Medical and Dental University, Tokyo, Japan
| | - Yuji Kohno
- Center for Stem Cell and Regenerative Medicine (A.H., N.O., Y.K., S.S., M.M., K.O., H. Katano, and I.S.), Clinical Research Center (M.T.), and Department of Joint Surgery and Sports Medicine (Y.N. and H. Koga), Tokyo Medical and Dental University, Tokyo, Japan
| | - So Suzuki
- Center for Stem Cell and Regenerative Medicine (A.H., N.O., Y.K., S.S., M.M., K.O., H. Katano, and I.S.), Clinical Research Center (M.T.), and Department of Joint Surgery and Sports Medicine (Y.N. and H. Koga), Tokyo Medical and Dental University, Tokyo, Japan
| | - Mitsuru Mizuno
- Center for Stem Cell and Regenerative Medicine (A.H., N.O., Y.K., S.S., M.M., K.O., H. Katano, and I.S.), Clinical Research Center (M.T.), and Department of Joint Surgery and Sports Medicine (Y.N. and H. Koga), Tokyo Medical and Dental University, Tokyo, Japan
| | - Koji Otabe
- Center for Stem Cell and Regenerative Medicine (A.H., N.O., Y.K., S.S., M.M., K.O., H. Katano, and I.S.), Clinical Research Center (M.T.), and Department of Joint Surgery and Sports Medicine (Y.N. and H. Koga), Tokyo Medical and Dental University, Tokyo, Japan
| | - Hisako Katano
- Center for Stem Cell and Regenerative Medicine (A.H., N.O., Y.K., S.S., M.M., K.O., H. Katano, and I.S.), Clinical Research Center (M.T.), and Department of Joint Surgery and Sports Medicine (Y.N. and H. Koga), Tokyo Medical and Dental University, Tokyo, Japan
| | - Makoto Tomita
- Center for Stem Cell and Regenerative Medicine (A.H., N.O., Y.K., S.S., M.M., K.O., H. Katano, and I.S.), Clinical Research Center (M.T.), and Department of Joint Surgery and Sports Medicine (Y.N. and H. Koga), Tokyo Medical and Dental University, Tokyo, Japan
| | - Yusuke Nakagawa
- Center for Stem Cell and Regenerative Medicine (A.H., N.O., Y.K., S.S., M.M., K.O., H. Katano, and I.S.), Clinical Research Center (M.T.), and Department of Joint Surgery and Sports Medicine (Y.N. and H. Koga), Tokyo Medical and Dental University, Tokyo, Japan
| | - Hideyuki Koga
- Center for Stem Cell and Regenerative Medicine (A.H., N.O., Y.K., S.S., M.M., K.O., H. Katano, and I.S.), Clinical Research Center (M.T.), and Department of Joint Surgery and Sports Medicine (Y.N. and H. Koga), Tokyo Medical and Dental University, Tokyo, Japan
| | | | | | | | | | - Ichiro Sekiya
- Center for Stem Cell and Regenerative Medicine (A.H., N.O., Y.K., S.S., M.M., K.O., H. Katano, and I.S.), Clinical Research Center (M.T.), and Department of Joint Surgery and Sports Medicine (Y.N. and H. Koga), Tokyo Medical and Dental University, Tokyo, Japan
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20
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Zimmerman BK, Ateshian GA. A Surface-to-Surface Finite Element Algorithm for Large Deformation Frictional Contact in febio. J Biomech Eng 2019; 140:2684482. [PMID: 30003262 DOI: 10.1115/1.4040497] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Indexed: 11/08/2022]
Abstract
This study formulates a finite element algorithm for frictional contact of solid materials, accommodating finite deformation and sliding. The algorithm uses a penalty method regularized with an augmented Lagrangian scheme to enforce contact constraints in a nonmortar surface-to-surface approach. Use of a novel kinematical approach to contact detection and enforcement of frictional constraints allows solution of complex problems previously requiring mortar methods or contact smoothing algorithms. Patch tests are satisfied to a high degree of accuracy with a single-pass penalty method, ensuring formulation errors do not affect the solution. The accuracy of the implementation is verified with Hertzian contact, and illustrations demonstrating the ability to handle large deformations and sliding are presented and validated against prior literature. A biomechanically relevant example addressing finger friction during grasping demonstrates the utility of the proposed algorithm. The algorithm is implemented in the open source software febio, and the source code is made available to the general public.
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Affiliation(s)
- Brandon K Zimmerman
- Department of Mechanical Engineering, Columbia University, New York, NY 10027
| | - Gerard A Ateshian
- Department of Mechanical Engineering, Columbia University, New York, NY 10027
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21
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Estell EG, Silverstein AM, Stefani RM, Lee AJ, Murphy LA, Shah RP, Ateshian GA, Hung CT. Cartilage Wear Particles Induce an Inflammatory Response Similar to Cytokines in Human Fibroblast-Like Synoviocytes. J Orthop Res 2019; 37:1979-1987. [PMID: 31062877 PMCID: PMC6834361 DOI: 10.1002/jor.24340] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 04/17/2019] [Indexed: 02/04/2023]
Abstract
The synovium plays a key role in the development of osteoarthritis, as evidenced by pathological changes to the tissue observed in both early and late stages of the disease. One such change is the attachment of cartilage wear particles to the synovial intima. While this phenomenon has been well observed clinically, little is known of the biological effects that such particles have on resident cells in the synovium. The present work investigates the hypothesis that cartilage wear particles elicit a pro-inflammatory response in diseased and healthy human fibroblast-like synoviocytes, like that induced by key cytokines in osteoarthritis. Fibroblast-like synoviocytes from 15 osteoarthritic human donors and a subset of three non-osteoarthritic donors were exposed to cartilage wear particles, interleukin-1α or tumor necrosis factor-α for 6 days and analyzed for proliferation, matrix production, and release of pro-inflammatory mediators and degradative enzymes. Wear particles significantly increased proliferation and release of nitric oxide, interleukin-6 and -8, and matrix metalloproteinase-9, -10, and -13 in osteoarthritic synoviocytes, mirroring the effects of both cytokines, with similar trends in non-osteoarthritic cells. These results suggest that cartilage wear particles are a relevant physical factor in the osteoarthritic environment, perpetuating the pro-inflammatory and pro-degradative cascade by modulating synoviocyte behavior at early and late stages of the disease. Future work points to therapeutic strategies for slowing disease progression that target cell-particle interactions. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 37:1979-1987, 2019.
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Affiliation(s)
- Eben G. Estell
- Columbia University, Department of Biomedical Engineering, New York, NY
| | | | - Robert M. Stefani
- Columbia University, Department of Biomedical Engineering, New York, NY
| | - Andy J. Lee
- Columbia University, Department of Biomedical Engineering, New York, NY
| | - Lance A. Murphy
- Columbia University, Department of Biomedical Engineering, New York, NY
| | - Roshan P. Shah
- Columbia University, Department of Orthopedic Surgery, New York, NY
| | | | - Clark T. Hung
- Columbia University, Department of Biomedical Engineering, New York, NY
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22
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Pflieger I, Stolberg-Stolberg J, Foehr P, Kuntz L, Tübel J, Grosse CU, Burgkart R. Full biomechanical mapping of the ovine knee joint to determine creep-recovery, stiffness and thickness variation. Clin Biomech (Bristol, Avon) 2019; 67:1-7. [PMID: 31054436 DOI: 10.1016/j.clinbiomech.2019.04.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 03/21/2019] [Accepted: 04/23/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Clinical cartilage repair strategies can be tested using the sheep model as suggest by the European Medicines Agency. To characterize variation within the joint a full biomechanical mapping is necessary. The aim of this study is to establish a loading model, to map regional differences within the knee and determine reference areas for area specific replacement techniques. METHODS A porous indenter was selected to evaluate 22 defined test locations (femoral condyles, tibia plateau, patella, femoral groove) on ovine knees (n = 7). A high-dynamic force-controlled micro creep and creep-recovery indentation test system applied five loading (0.11 MPa) and unloading (5.6 kPa) cycles for 60 s each and recorded creep-recovery. Needle indentation was used to measure cartilage thickness and calculate total strain. FINDINGS Steady state behaviour was observed from the third cycle and further evaluated. Little variation of stiffness in N/mm was found within the patella (4.3SD0.5) and femoral groove (8.1SD0.7) compared to larger variations in the femur (7.9SD2.0) and tibia (7.5SD3.2). Creep indentation showed values of 14.5%(SD2.7%) for the patella and 17.4%(SD3%) for the femoral grove opposed to 13.4%(SD4.3%) for the femoral condyles and 21.8%(SD6.6%) for the tibia plateau. Similar trends were observed analysing creep-recovery. Values were normalized to cartilage thickness which ranged between 0.36 mm and 1.14 mm. INTERPRETATION Our setup allows a reliable evaluation of zonal differences. Homogenous biomechanical behaviour is found within the patella and femoral groove whereas significant biomechanical variation within the femoral condyles and tibia plateau indicates the need for site-specific cartilage repair products.
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Affiliation(s)
- Iris Pflieger
- Department of Orthopaedics and Sports Orthopaedics, Klinikum rechts der Isar, Technical University of Munich, Ismaninger Straße 22, 81675 Munich, Germany; Department of Trauma Surgery, Trauma Center Murnau, Professor-Küntscher-Str. 8, 82418 Murnau, Germany
| | - Josef Stolberg-Stolberg
- Department of Orthopaedics and Sports Orthopaedics, Klinikum rechts der Isar, Technical University of Munich, Ismaninger Straße 22, 81675 Munich, Germany; Department of Trauma-, Hand- and Reconstructive Surgery, University Hospital Muenster, Albert-Schweitzer-Campus 1, Building W1, 48149 Muenster, Germany.
| | - Peter Foehr
- Department of Orthopaedics and Sports Orthopaedics, Klinikum rechts der Isar, Technical University of Munich, Ismaninger Straße 22, 81675 Munich, Germany; Chair of Non-destructive Testing, Technical University of Munich, Baumbachstr. 7, 81245 Munich, Germany
| | - Lara Kuntz
- Department of Orthopaedics and Sports Orthopaedics, Klinikum rechts der Isar, Technical University of Munich, Ismaninger Straße 22, 81675 Munich, Germany
| | - Jutta Tübel
- Department of Orthopaedics and Sports Orthopaedics, Klinikum rechts der Isar, Technical University of Munich, Ismaninger Straße 22, 81675 Munich, Germany
| | - Christian U Grosse
- Chair of Non-destructive Testing, Technical University of Munich, Baumbachstr. 7, 81245 Munich, Germany
| | - Rainer Burgkart
- Department of Orthopaedics and Sports Orthopaedics, Klinikum rechts der Isar, Technical University of Munich, Ismaninger Straße 22, 81675 Munich, Germany
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Mechanically-enhanced polysaccharide-based scaffolds for tissue engineering of soft tissues. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 94:364-375. [DOI: 10.1016/j.msec.2018.09.045] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 08/21/2018] [Accepted: 09/17/2018] [Indexed: 01/26/2023]
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24
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Delman C, Wuellner J, Kreulen C, Lundeen G, Giza E. Particulated Autograft Cartilage Implantation for the Treatment of Osteochondral Lesions of the Talus: A Novel Technique. Foot Ankle Spec 2018; 11:365-371. [PMID: 29681160 DOI: 10.1177/1938640018770277] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
UNLABELLED Osteochondral lesions of the talus often occur following ankle sprains and fractures. Operative intervention is typically required because of the diminished intrinsic repair capability of talar articular cartilage. Several techniques have evolved that emphasize replacing the defect with cartilage that closely mimics the biological properties of hyaline articular cartilage. The goals of operative treatment are resolution of symptoms, physiologic healing, and restoration of function while eliminating the need for further intervention. This article describes a novel, single-step technique for the treatment of osteochondral lesions of the talus with the use of particulated autograft cartilage implantation. LEVELS OF EVIDENCE Level V.
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Affiliation(s)
- Connor Delman
- Department of Orthopaedics, University of California Davis, Sacramento, California (CD, JW, CK, EG).,Reno Orthopaedic Clinic, Reno, Nevada (GL)
| | - John Wuellner
- Department of Orthopaedics, University of California Davis, Sacramento, California (CD, JW, CK, EG).,Reno Orthopaedic Clinic, Reno, Nevada (GL)
| | - Chris Kreulen
- Department of Orthopaedics, University of California Davis, Sacramento, California (CD, JW, CK, EG).,Reno Orthopaedic Clinic, Reno, Nevada (GL)
| | - Gregg Lundeen
- Department of Orthopaedics, University of California Davis, Sacramento, California (CD, JW, CK, EG).,Reno Orthopaedic Clinic, Reno, Nevada (GL)
| | - Eric Giza
- Department of Orthopaedics, University of California Davis, Sacramento, California (CD, JW, CK, EG).,Reno Orthopaedic Clinic, Reno, Nevada (GL)
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D'Ambrosi R, Maccario C, Serra N, Ursino C, Usuelli FG. Relationship between symptomatic osteochondral lesions of the talus and quality of life, body mass index, age, size and anatomic location. Foot Ankle Surg 2018; 24:365-372. [PMID: 29409207 DOI: 10.1016/j.fas.2017.04.011] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Revised: 03/03/2017] [Accepted: 04/11/2017] [Indexed: 02/04/2023]
Abstract
INTRODUCTION The aim of the study was to assess the relationship between symptomatic osteochondral lesions of the talus (OLTs) and age, body mass index (BMI), quality of life (QOL), size and anatomic location. METHODS Fifty-two patients with chronic OLTs were analyzed including BMI, Visual Analogue Scale (VAS), American Orthopaedic Foot and Ankle Society (AOFAS), Short-Form Health Survey (SF-12 divided into Mental (MCS) and Physical (PCS) score) and the 12-Item General Health Questionnaire (GHQ-12). Every patient underwent magnetic resonance imaging (MRI) and computed tomography (CT) examinations. We carried out a sub-analysis by dividing the talus into 6 areas, 3 vertical (medial, central and lateral group) and 3 horizontal (anterior, middle and posterior group). RESULTS There were 31 (60%) male and 21 (40%) female patients. Mean MCS and PCS resulted respectively 43.9 and 35.2. OLTs were located as follows: medial 20 (38.50%); central 13 (24.0%); and lateral 19 (36.50%); anterior 24 (46.15%); middle 16 (30.77%); and posterior 12 (23.08%). No significant differences were found among different groups with the exception of the anterior and posterior group for MCS (p=0.021). In the central group we identified a negative correlation (R=-0.672) between aging and AOFAS and a positive correlation between BMI and lesion size. We found a positive correlation between CT and MRI in each group. CONCLUSIONS OLTs impact patients' quality of life particularly in the physical component. Additionally, in patients with central lesions we found a positive linear correlation between lesion size and BMI and a worsening of the ankle with increasing age.
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Affiliation(s)
- Riccardo D'Ambrosi
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milan, Italy; IRCCS Istituto Ortopedico Galeazzi, U.O. CASCO - Piede e Caviglia, Milan, Italy.
| | - Camilla Maccario
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milan, Italy; IRCCS Istituto Ortopedico Galeazzi, U.O. CASCO - Piede e Caviglia, Milan, Italy
| | - Nicola Serra
- Seconda Università di Napoli, Dipartimento di Radiologia, Naples, Italy
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O'Leary SA, Paschos NK, Link JM, Klineberg EO, Hu JC, Athanasiou KA. Facet Joints of the Spine: Structure–Function Relationships, Problems and Treatments, and the Potential for Regeneration. Annu Rev Biomed Eng 2018; 20:145-170. [DOI: 10.1146/annurev-bioeng-062117-120924] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The zygapophysial joint, a diarthrodial joint commonly referred to as the facet joint, plays a pivotal role in back pain, a condition that has been a leading cause of global disability since 1990. Along with the intervertebral disc, the facet joint supports spinal motion and aids in spinal stability. Highly susceptible to early development of osteoarthritis, the facet is responsible for a significant amount of pain in the low-back, mid-back, and neck regions. Current noninvasive treatments cannot offer long-term pain relief, while invasive treatments can relieve pain but fail to preserve joint functionality. This review presents an overview of the facet in terms of its anatomy, functional properties, problems, and current management strategies. Furthermore, this review introduces the potential for regeneration of the facet and particular engineering strategies that could be employed as a long-term treatment.
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Affiliation(s)
- Siobhan A. O'Leary
- Department of Biomedical Engineering, University of California, Davis, California 95616, USA
| | - Nikolaos K. Paschos
- Department of Orthopedic Surgery, Division of Sports Medicine, Boston Children's Hospital, Harvard Medical School, Massachusetts 02115, USA
| | - Jarrett M. Link
- Department of Biomedical Engineering, University of California, Irvine, California 92617, USA
| | - Eric O. Klineberg
- Department of Orthopaedic Surgery, University of California, Davis, Sacramento, California 95816, USA
| | - Jerry C. Hu
- Department of Biomedical Engineering, University of California, Irvine, California 92617, USA
| | - Kyriacos A. Athanasiou
- Department of Biomedical Engineering, University of California, Irvine, California 92617, USA
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Emerging Concepts in Treating Cartilage, Osteochondral Defects, and Osteoarthritis of the Knee and Ankle. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1059:25-62. [PMID: 29736568 DOI: 10.1007/978-3-319-76735-2_2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The management and treatment of cartilage lesions, osteochondral defects, and osteoarthritis remain a challenge in orthopedics. Moreover, these entities have different behaviors in different joints, such as the knee and the ankle, which have inherent differences in function, biology, and biomechanics. There has been a huge development on the conservative treatment (new technologies including orthobiologics) as well as on the surgical approach. Some surgical development upraises from technical improvements including advanced arthroscopic techniques but also from increased knowledge arriving from basic science research and tissue engineering and regenerative medicine approaches. This work addresses the state of the art concerning basic science comparing the knee and ankle as well as current options for treatment. Furthermore, the most promising research developments promising new options for the future are discussed.
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Yin P, Li JS, Kernkamp WA, Tsai TY, Baek SH, Hosseini A, Lin L, Tang P, Li G. Analysis of in-vivo articular cartilage contact surface of the knee during a step-up motion. Clin Biomech (Bristol, Avon) 2017; 49:101-106. [PMID: 28910722 PMCID: PMC5681875 DOI: 10.1016/j.clinbiomech.2017.09.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Revised: 09/04/2017] [Accepted: 09/07/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND Numerous studies have reported on the tibiofemoral articular cartilage contact kinematics, however, no data has been reported on the articular cartilage geometry at the contact area. This study investigated the in-vivo tibiofemoral articular cartilage contact biomechanics during a dynamic step-up motion. METHODS Ten healthy subjects were imaged using a validated magnetic resonance and dual fluoroscopic imaging technique during a step-up motion. Three-dimensional bone and cartilage models were constructed from the magnetic resonance images. The cartilage contact along the motion path was analyzed, including cartilage contact location and the cartilage surface geometry at the contact area. FINDINGS The cartilage contact excursions were similar in anteroposterior and mediolateral directions in the medial and lateral compartments of the tibia plateau (P>0.05). Both medial and lateral compartments were under convex (femur) to convex (tibia) contact in the sagittal plane, and under convex (femur) to concave (tibia) contact in the coronal plane. The medial tibial articular contact radius was larger than the lateral side in the sagittal plane along the motion path (P<0.001). INTERPRETATIONS These data revealed that both the medial and lateral compartments of the knee experienced convex (femur) to convex (tibia) contact in sagittal plane (or anteroposterior direction) during the dynamic step-up motion. These data could provide new insight into the in-vivo cartilage contact biomechanics research, and may provide guidelines for development of anatomical total knee arthroplasties that are aimed to reproduce normal knee joint kinematics.
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Affiliation(s)
- Peng Yin
- Orthopaedic Biomechanics Laboratory, Harvard Medical School and Massachusetts General Hospital, Boston, MA, 02114, USA,Department of Orthopaedics, Beijing Chao-Yang Hospital, China Capital Medical University, No. 8 GongTiNanLu, Chao-Yang District, Beijing, 100020, China
| | - Jing-Sheng Li
- Orthopaedic Biomechanics Laboratory, Harvard Medical School and Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Willem A. Kernkamp
- Orthopaedic Biomechanics Laboratory, Harvard Medical School and Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Tsung-Yuan Tsai
- Orthopaedic Biomechanics Laboratory, Harvard Medical School and Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Seung-Hoon Baek
- Orthopaedic Biomechanics Laboratory, Harvard Medical School and Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Ali Hosseini
- Orthopaedic Biomechanics Laboratory, Harvard Medical School and Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Lin Lin
- Institute of Sports Medicine, Peking University Third hospital, North Garden Road, Haidian District, Beijing, 100191, PR China
| | - Peifu Tang
- Department of Orthopaedics, Chinese PLA General Hospital, No. 28 Fuxin Road, Beijing 100853, P.R. China
| | - Guoan Li
- Orthopaedic Biomechanics Laboratory, Harvard Medical School and Massachusetts General Hospital, Boston, MA, 02114, USA,CORRESPONDING AUTHOR. Guoan Li, Orthopaedic Biomechanics Laboratory, Harvard Medical School and Newton-Wellesley Hospital, 159 Wells Avenue, Newton, MA 02459, USA. (G. Li)
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Differentiation of dental pulp stem cells into chondrocytes upon culture on porous chitosan-xanthan scaffolds in the presence of kartogenin. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 80:594-602. [PMID: 28866206 DOI: 10.1016/j.msec.2017.07.005] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 05/21/2017] [Accepted: 07/06/2017] [Indexed: 12/25/2022]
Abstract
Adhesion, proliferation and differentiation of dental pulp stem cells (DPSCs) into chondrocytes were investigated in this work with the purpose of broadening the array of cell alternatives to the therapy of cartilage lesions related to tissue engineering approaches. A porous chitosan-xanthan (C-X) matrix was used as scaffold and kartogenin was used as a selective chondrogenic differentiation promoter. The scaffold was characterized regarding aspect and surface morphology, absorption and stability in culture medium, thickness, porosity, thermogravimetric behavior, X-ray diffraction, mechanical properties and indirect cytocompatibility. The behavior of DPSCs cultured on the scaffold was evaluated by scanning electron microscopy and cell differentiation, by histological analysis. A sufficiently stable amorphous scaffold with mean thickness of 0.89±0.01mm and high culture medium absorption capacity (13.20±1.88g/g) was obtained, and kartogenin concentrations as low as 100nmol/L were sufficient to efficiently induce DPSCs differentiation into chondrocytes, showing that the strategy proposed may be a straightforward and effective approach for tissue engineering aiming at the therapy of cartilage lesions.
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Yang HY, Seon JK, Shin YJ, Lim HA, Song EK. Robotic Total Knee Arthroplasty with a Cruciate-Retaining Implant: A 10-Year Follow-up Study. Clin Orthop Surg 2017; 9:169-176. [PMID: 28567218 PMCID: PMC5435654 DOI: 10.4055/cios.2017.9.2.169] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Accepted: 02/28/2017] [Indexed: 11/26/2022] Open
Abstract
Background This study compared clinical and radiological results between robotic total knee arthroplasty (TKA) and conventional TKA with a cruciate-retaining implant at 10-year follow-up. The hypothesis was that robotic TKA would allow for more accurate leg alignment and component placement, and thus enhance clinical and radiological results and long-term survival rates. Methods A total of 113 primary TKAs performed using a cruciate-retaining implant in 102 patients from 2004 to 2007 were reviewed retrospectively. Of the 113 TKAs, 71 were robotic TKAs and 42 were conventional TKAs. Clinical outcomes (visual analogue scale pain score, Hospital for Special Surgery score, Western Ontario and McMaster University score, range of motion, and complications), radiological outcomes, and long-term survival rates were evaluated at a mean follow-up of 10 years. Results Clinical outcomes and long-term survival rates were similar between the two groups. Regarding the radiological outcomes, the robotic TKA group had significantly fewer postoperative leg alignment outliers (femoral coronal inclination, tibial coronal inclination, femoral sagittal inclination, tibial sagittal inclination, and mechanical axis) and fewer radiolucent lines than the conventional TKA group. Conclusions Both robotic and conventional TKAs resulted in good clinical outcomes and postoperative leg alignments. Robotic TKA appeared to reduce the incidence of leg alignment outliers and radiolucent lines compared to conventional TKA.
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Affiliation(s)
- Hong Yeol Yang
- Department of Orthopedic Surgery, Center for Joint Disease, Chonnam National University Bitgoeul Hospital, Gwangju, Korea
| | - Jong Keun Seon
- Department of Orthopedic Surgery, Center for Joint Disease, Chonnam National University Bitgoeul Hospital, Gwangju, Korea
| | - Young Joo Shin
- Department of Orthopedic Surgery, Center for Joint Disease, Chonnam National University Bitgoeul Hospital, Gwangju, Korea
| | - Hong An Lim
- Department of Orthopedic Surgery, Center for Joint Disease, Chonnam National University Bitgoeul Hospital, Gwangju, Korea
| | - Eun Kyoo Song
- Department of Orthopedic Surgery, Center for Joint Disease, Chonnam National University Bitgoeul Hospital, Gwangju, Korea.,Chonnam National University Research Institute of Medical Science, Gwangju, Korea
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Roach BL, Hung CT, Cook JL, Ateshian GA, Tan AR. Fabrication of tissue engineered osteochondral grafts for restoring the articular surface of diarthrodial joints. Methods 2015; 84:103-8. [PMID: 25794950 PMCID: PMC4667358 DOI: 10.1016/j.ymeth.2015.03.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Accepted: 03/12/2015] [Indexed: 01/23/2023] Open
Abstract
Osteochondral allograft implantation is an effective cartilage restoration technique for large defects (>10 cm(2)), though the demand far exceeds the supply of available quality donor tissue. Large bilayered engineered cartilage tissue constructs with accurate anatomical features (i.e. contours, thickness, architecture) could be beneficial in replacing damaged tissue. When creating these osteochondral constructs, however, it is pertinent to maintain biofidelity to restore functionality. Here, we describe a step-by-step framework for the fabrication of a large osteochondral construct with correct anatomical architecture and topology through a combination of high-resolution imaging, rapid prototyping, impression molding, and injection molding.
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Affiliation(s)
- Brendan L Roach
- Columbia University, Department of Biomedical Engineering, New York, NY, USA
| | - Clark T Hung
- Columbia University, Department of Biomedical Engineering, New York, NY, USA
| | - James L Cook
- University of Missouri, Comparative Orthopaedic Laboratory, Columbia, MO, USA
| | - Gerard A Ateshian
- Columbia University, Department of Mechanical Engineering, New York, NY, USA
| | - Andrea R Tan
- Columbia University, Department of Biomedical Engineering, New York, NY, USA.
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Sharma GB, Kuntze G, Kukulski D, Ronsky JL. Validating Dual Fluoroscopy System Capabilities for Determining In-Vivo Knee Joint Soft Tissue Deformation: A Strategy for Registration Error Management. J Biomech 2015; 48:2181-5. [PMID: 26003485 DOI: 10.1016/j.jbiomech.2015.04.045] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2015] [Revised: 04/28/2015] [Accepted: 04/30/2015] [Indexed: 10/23/2022]
Abstract
Knee osteoarthritis (OA) causes structural and mechanical changes within tibiofemoral (TF) cartilage affecting tissue load deformation behavior. Quantifying in-vivo TF soft tissue deformations in healthy and early OA may provide a novel biomechanical marker, sensitive to alterations occurring prior to radiographic change. Dual Fluoroscopy (DF) allows accurate in-vivo TF soft tissue deformation assessment but requires validation. In-vivo healthy and early OA TF cartilage deforms 0.3-1.2mm during static standing full body-weight loading. Our aim was to establish minimum detectable displacement (MDD) for femoral translation in a DF system using a marker-based and markerless approach with variable image intensifier magnifications. An instrumented frame allowed controlled femur specimen translations. Bone positions were reconstructed from DF data using centroids of affixed steel beads (marker-based) and 2D-3D bone feature registration (markerless). Statistical analyses included independent samples t-tests and reliability analysis. Markerless measurements by three trained operators had large variations making it prudent to have an appropriate error management strategy when performing 2D-3D registration. Marker-based MDD improved with image resolution and was 0.05 mm at 3.2 LP/mm (LP: line pairs). Markerless MDD at 3.2 LP/mm was 0.08 mm. Average femur and tibia 2D-3D registrations yielded excellent reliability (84.4%). Therefore, DF images acquired at resolution greater than 3.2 LP/mm would be capable for determining accurate and reliable in-vivo healthy and early OA TF soft tissue deformation. This study provides a registration error management strategy for in-vivo TF soft tissue deformation assessment that could be applied for future clinical applications to establish non-invasive biomechanical markers for early OA diagnosis.
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Affiliation(s)
- Gulshan B Sharma
- University of Calgary, Department of Mechanical and Manufacturing Engineering, Calgary, Alberta, Canada; McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada.
| | - Gregor Kuntze
- University of Calgary, Department of Mechanical and Manufacturing Engineering, Calgary, Alberta, Canada; McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada
| | - Diane Kukulski
- University of Calgary, Department of Mechanical and Manufacturing Engineering, Calgary, Alberta, Canada
| | - Janet L Ronsky
- University of Calgary, Department of Mechanical and Manufacturing Engineering, Calgary, Alberta, Canada; McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada
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Dare DM, Fabricant PD, McCarthy MM, Rebolledo BJ, Green DW, Cordasco FA, Jones KJ. Increased Lateral Tibial Slope Is a Risk Factor for Pediatric Anterior Cruciate Ligament Injury: An MRI-Based Case-Control Study of 152 Patients. Am J Sports Med 2015; 43:1632-9. [PMID: 26129958 DOI: 10.1177/0363546515579182] [Citation(s) in RCA: 101] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Increased posterior tibial slope is associated with increased risk of anterior cruciate ligament (ACL) injury in adults. A similar association has not been rigorously examined in children and adolescents. PURPOSE To determine whether alterations in posterior tibial slope are associated with ACL tears in pediatric and adolescent patients and to quantify changes in tibial slope by age. STUDY DESIGN Case-control study; Level of evidence, 3. METHODS Magnetic resonance imaging (MRI) studies of the knee were reviewed by 3 raters blinded to each other in a 1:1 sample of cases and age- and sex-matched controls. A total of 76 skeletally immature ACL-injured knees were compared with 76 knees without ACL injury; the mean age of the study population was 14.8 ± 1.3 years. The posterior slope of the articular surface of the medial tibial plateau and lateral tibial plateau was measured by use of a method similar to that used in previous studies in adult populations. The current study technique differed in that the slope was measured on the cartilage surface, not the subchondral bone. Comparisons between knees were made with t tests, and Spearman correlation analysis was used to assess changes in tibial slope with advancing age. RESULTS Increased slope of the lateral tibial plateau (LTS) was significantly increased in ACL-injured patients compared with controls (5.7° ± 2.4° vs 3.4° ± 1.7°; P < .001). There was no statistically significant difference in the slope of the medial tibial plateau (MTS) in the ACL-injured and control knees (5.4° ± 2.2° vs 5.1° ± 2.3°; P = .42). There was no difference in LTS between male and female patients (4.46° vs 4.58°; P = .75). Receiver operating characteristic (ROC) analysis of the LTS revealed that a posterior tibial slope cutoff of >4° resulted in a sensitivity of 76% and a specificity of 75% for predicting ACL tears in this cohort. Spearman correlation analysis revealed that MTS and LTS decreased, or flattened, by 0.31° (P = .028, correlation coefficient r = -0.18) and 0.37° (P = .009, correlation coefficient r = -0.21) per year, respectively, as adolescents age. CONCLUSION The LTS was significantly associated with an increased risk of ACL injury in pediatric and adolescent patients. The MTS was not associated with risk of injury. Posterior slope was found to decrease, or flatten, with age. A cutoff of >4° for the posterior slope of the lateral compartment is 76% sensitive and 75% specific for predicting ACL injury in this cohort. The LTS did not influence the incidence of ACL injury differently between sexes.
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Affiliation(s)
- David M Dare
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, New York, USA
| | - Peter D Fabricant
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, New York, USA
| | - Moira M McCarthy
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, New York, USA
| | - Brian J Rebolledo
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, New York, USA
| | - Daniel W Green
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, New York, USA
| | - Frank A Cordasco
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, New York, USA
| | - Kristofer J Jones
- Department of Orthopaedic Surgery, University of California, Los Angeles, California, USA
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Millett PJ, Euler SA, Dornan GJ, Smith SD, Collins T, Michalski MP, Spiegl UJ, Jansson KS, Wijdicks CA. The ability of massive osteochondral allografts from the medial tibial plateau to reproduce normal joint contact pressures after glenoid resurfacing: the effect of computed tomography matching. J Shoulder Elbow Surg 2015; 24:e125-34. [PMID: 25457785 DOI: 10.1016/j.jse.2014.09.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2014] [Revised: 09/03/2014] [Accepted: 09/12/2014] [Indexed: 02/01/2023]
Abstract
BACKGROUND Current techniques for resurfacing of the glenoid in the treatment of arthritis are unpredictable. Computed tomography (CT) studies have demonstrated that the medial tibial plateau has close similarity to the glenoid. The purpose of this study was to assess contact pressures of transplanted massive tibial osteochondral allografts to resurface the glenoid without and with CT matching. METHODS Ten unmatched cadaveric tibiae were used to resurface 10 cadaveric glenoids with osteochondral allografts. Five cadaveric tibiae and glenoids were CT matched and studied. An internal control group of 4 matched pairs of glenoids, with the contralateral glenoid transplanted to the opposite glenoid, was also included as a best-case scenario to measure the effects of the surgical technique. All glenoids were tested before and after grafting at different abduction and rotation angles, with recording of peak contact pressures. RESULTS Peak contact pressures were not different from the intact state in the autografted group but were increased in both allografted groups. CT-matched tibial grafts had lower peak pressures than unmatched grafts. Peak pressures were on average 24.8% (range [18.3%, 29.6%]) greater than in the native glenoids for unmatched allografts, 21.8% ([17.0%, 25.5%]) greater for the matched allografts, and 4.9% ([3.8%, 5.5%]) greater for matched autografts. CONCLUSION Osteochondral grafting from the medial tibial plateau to the glenoid is feasible but results in increased peak contact pressures. The technique is reproducible as defined by the autografted group. Contact pressures between native and allografted glenoids were significantly different. The clinical significance remains unknown. Peak pressures experienced by the glenoid seem highly sensitive to deviations from the native glenoid shape.
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Affiliation(s)
- Peter J Millett
- Steadman Philippon Research Institute, Vail, CO, USA; The Steadman Clinic, Vail, CO, USA
| | - Simon A Euler
- Steadman Philippon Research Institute, Vail, CO, USA; The Steadman Clinic, Vail, CO, USA; Department of Trauma Surgery and Sports Traumatology, Medical University Innsbruck, Innsbruck, Austria.
| | | | - Sean D Smith
- Steadman Philippon Research Institute, Vail, CO, USA
| | - Tyler Collins
- Steadman Philippon Research Institute, Vail, CO, USA; The Steadman Clinic, Vail, CO, USA
| | | | - Ulrich J Spiegl
- Steadman Philippon Research Institute, Vail, CO, USA; The Steadman Clinic, Vail, CO, USA; Department of Trauma and Reconstructive Surgery, University of Leipzig, Leipzig, Germany
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Is a "sulcus cut" technique effective for determining the level of distal femoral resection in total knee arthroplasty? Knee Surg Sports Traumatol Arthrosc 2014; 22:3060-6. [PMID: 25100488 DOI: 10.1007/s00167-014-3217-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2014] [Accepted: 07/28/2014] [Indexed: 10/24/2022]
Abstract
PURPOSE Determining the level of distal femoral resection is crucial when performing total knee arthroplasty (TKA). However, variations in distal femoral resection are encountered unexpectedly. A "sulcus cut" technique is sometimes used to determine the level of distal femoral resection, but its effectiveness has not been evaluated. The aim of this study was to examine the reliability of the sulcus cut technique using computer simulation for preoperative planning. METHODS This study group comprised 40 knees in 34 patients (22 women, 12 men) scheduled for TKA. The preoperative planning software of a computed tomography (CT)-based navigation system was used. We determined the resected level of the femur so that the bone-implant interface of the femoral component was adjusted to the deepest subchondral bone of the trochlear groove in coronal CT images. We then measured each perpendicular distance from the resected surface of the proximal femur to the most distal point of the lateral and medial femoral condyles. RESULTS The mean distances of the distal-lateral and distal-medial condylar resections from the femoral sulcus were 7 mm (±1 mm) and 8 mm (±1 mm), respectively. The resection level did not differ significantly between men and women or between different component sizes. There was a slightly positive correlation between the femoral mechanical and anatomical axis angle and the distance of the distal-lateral condylar resection from the femoral sulcus. CONCLUSIONS The sulcus cut technique can be used to determine the desirable level of the distal femoral resection in TKA. LEVEL OF EVIDENCE Case series, Level IV.
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Harrold F, Malhas A, Wigderowitz C. A novel osteotomy in shoulder joint replacement based on analysis of the cartilage/metaphyseal interface. Clin Biomech (Bristol, Avon) 2014; 29:1032-8. [PMID: 25195075 DOI: 10.1016/j.clinbiomech.2014.08.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2014] [Revised: 06/17/2014] [Accepted: 08/19/2014] [Indexed: 02/07/2023]
Abstract
BACKGROUND The accuracy of reconstruction is thought to impact on functional outcome following glenohumeral joint arthroplasty. The objective of this study was to define an area of minimal anatomic variation at the cartilage/metaphyseal interface of the proximal humerus to optimize the osteotomy of the humeral head, enabling accurate reconstruction with a prosthetic component. METHODS Hand held digitization and 3D surface laser scanning techniques were used to digitize 24 cadaveric arms and determine the normal geometry. Each humeral head was then examined to identify the most consistent anatomical landmarks for the ideal osteotomy plane to optimize humeral component positioning. FINDINGS The novel, posterior referencing, osteotomy resulted in a mean increase in retroversion of only 0.4° when compared to the original geometry. A traditional anterior referencing osteotomy, by comparison, produced a mean increase in retroversion of 11°. In addition, the novel osteotomy only increased axial diameter by 0.71mm and head height by 0.02mm compared to an anterior referencing osteotomy (3.0mm and 2.7mm respectively). INTERPRETATION The traditional osteotomy, referencing the anterior border of the cartilage/metaphyseal interface potentially resulted in an increase in prosthetic head size and retroversion. The novel osteotomy, referencing from the posterior cartilage/metaphyseal interface enabled a more accurate recovery of head geometry. Importantly, the increase in retroversion created by the traditional osteotomy was not replicated with the novel technique. Referencing from the posterior cartilage/metaphyseal interface produced a more reliable osteotomy, more closely matching the original humeral geometry. LEVEL OF EVIDENCE Basic Science, Anatomic study, Computer model.
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Affiliation(s)
- Fraser Harrold
- Department of Orthopaedic and Trauma Surgery, College of Medicine, Dentistry and Nursing, University of Dundee, TORT Centre, Ninewells Hospital and Medical School, Dundee DD1 9SY, Scotland, UK.
| | - Amar Malhas
- Department of Orthopaedic and Trauma Surgery, College of Medicine, Dentistry and Nursing, University of Dundee, TORT Centre, Ninewells Hospital and Medical School, Dundee DD1 9SY, Scotland, UK
| | - Carlos Wigderowitz
- Department of Orthopaedic and Trauma Surgery, College of Medicine, Dentistry and Nursing, University of Dundee, TORT Centre, Ninewells Hospital and Medical School, Dundee DD1 9SY, Scotland, UK
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Aurich M, Hofmann GO, Rolauffs B, Gras F. Differences in injury pattern and prevalence of cartilage lesions in knee and ankle joints: a retrospective cohort study. Orthop Rev (Pavia) 2014; 6:5611. [PMID: 25568732 PMCID: PMC4274453 DOI: 10.4081/or.2014.5611] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2014] [Revised: 10/31/2014] [Accepted: 11/09/2014] [Indexed: 11/23/2022] Open
Abstract
Osteoarthritis (OA) is more common in the knee compared to the ankle joint. This can not be explained exclusively by anatomical and biomechanical differences. The aim of this study is to analyze and compare the injury pattern (clinically) and the cartilage lesions (arthroscopically) of knee and ankle joints in a cohort of patients from the same catchment area. A retrospective study of the clinical data of 3122 patients (2139 outpatients and 983 inpatients) was performed, who were treated due to an injury of the knee and ankle joint. Statistical analysis was performed using SigmaStat 3.0 (SPSS Inc, Chicago, USA). There is a higher prevalence of injuries in the ankle as compared to the knee joint in this population from the same catchment area. In contrast, high-grade cartilage lesions are more prevalent in the knee, whereas low grade cartilage lesions are equally distributed between knee and ankle. From this data it can be concluded that the frequency of injuries and the injury pattern of knee versus ankle joints do not correlate with the severity of cartilage lesions and may therefore have no direct influence on the differential incidence of OA in those two joints.
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Affiliation(s)
- Matthias Aurich
- Department of Orthopaedic Surgery, Trauma and Hand Surgery, Kliniken Leipziger Land, Klinikum Borna
| | - Gunther O. Hofmann
- Department of Trauma-, Hand and Reconstructive Surgery, University Hospital Jena , Germany
| | | | - Florian Gras
- Department of Trauma-, Hand and Reconstructive Surgery, University Hospital Jena , Germany
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Beveridge JE, Heard BJ, Brown JJY, Shrive NG, Frank CB. A new measure of tibiofemoral subchondral bone interactions that correlates with early cartilage damage in injured sheep. J Orthop Res 2014; 32:1371-80. [PMID: 25042631 DOI: 10.1002/jor.22685] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Accepted: 06/10/2014] [Indexed: 02/04/2023]
Abstract
We have demonstrated previously that chondral damage is associated with increased knee surface velocities following ligament and meniscus injuries in sheep. We tested the hypothesis that cartilage damage scores would correlate with a new bone surface interaction measure that captures complex changes in tibiofemoral alignment, "proximity disturbance" (PD). Six sheep underwent combined anterior cruciate and medial collateral ligament transection (ACL/MCLx), five complete lateral meniscectomy (Mx), and four sham arthrotomy (Sham). Tibiofemoral subchondral bone surfaces were modeled, and the post-operative changes in relative separation of the surfaces (i.e., "proximity") were derived from subject-specific in vivo 3D stifle kinematics. Surface areas of regions of near contact were determined, and PD was calculated as the range of change in tibiofemoral proximity, divided by normalized overlapping proximity surface areas between baseline and post-operative time points. Cartilage morphology was graded at dissection. ACL/MCLx PD was significantly elevated relative to Mx and Shams, and correlated with cartilage damage (r(2) = 0.88-0.98). Although not statistically significant, Mx PD values tended to be higher than those of Shams, and correlated with cartilage damage. Results from both injury models suggest that increasing change in tibiofemoral surface alignment may be increasingly deleterious to long-term cartilage health in sheep.
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Affiliation(s)
- Jillian E Beveridge
- Department of Mechanical and Manufacturing Engineering, McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada
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Goldman SM, Barabino GA. Cultivation of agarose-based microfluidic hydrogel promotes the development of large, full-thickness, tissue-engineered articular cartilage constructs. J Tissue Eng Regen Med 2014; 11:572-581. [DOI: 10.1002/term.1954] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Revised: 06/23/2014] [Accepted: 07/16/2014] [Indexed: 11/12/2022]
Affiliation(s)
- Stephen M. Goldman
- Interdisciplinary Bioengineering Graduate Program; Georgia Institute of Technology; Atlanta GA USA
- George W. Woodruff School of Mechanical Engineering; Georgia Institute of Technology; Atlanta GA USA
| | - Gilda A. Barabino
- Interdisciplinary Bioengineering Graduate Program; Georgia Institute of Technology; Atlanta GA USA
- Department of Biomedical Engineering; City College of New York; NY USA
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Treatment of Osteochondral Lesions of the Talus With Marrow Stimulation and Micronized Allograft Cartilage Matrix. TECHNIQUES IN FOOT AND ANKLE SURGERY 2014. [DOI: 10.1097/btf.0000000000000056] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Quantitative proteomics at different depths in human articular cartilage reveals unique patterns of protein distribution. Matrix Biol 2014; 40:34-45. [PMID: 25193283 DOI: 10.1016/j.matbio.2014.08.013] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2014] [Revised: 08/20/2014] [Accepted: 08/22/2014] [Indexed: 11/23/2022]
Abstract
The articular cartilage of synovial joints ensures friction-free mobility and attenuates mechanical impact on the joint during movement. These functions are mediated by the complex network of extracellular molecules characteristic for articular cartilage. Zonal differences in the extracellular matrix (ECM) are well recognized. However, knowledge about the precise molecular composition in the different zones remains limited. In the present study, we investigated the distribution of ECM molecules along the surface-to-bone axis, using quantitative non-targeted as well as targeted proteomics.\ In a discovery approach, iTRAQ mass spectrometry was used to identify all extractable ECM proteins in the different layers of a human lateral tibial plateau full thickness cartilage sample. A targeted MRM mass spectrometry approach was then applied to verify these findings and to extend the analysis to four medial tibial plateau samples. In the lateral tibial plateau sample, the unique distribution patterns of 70 ECM proteins were identified, revealing groups of proteins with a preferential distribution to the superficial, intermediate or deep regions of articular cartilage. The detailed analysis of selected 29 proteins confirmed these findings and revealed similar distribution patterns in the four medial tibial plateau samples. The results of this study allow, for the first time, an overview of the zonal distribution of a broad range of cartilage ECM proteins and open up further investigations of the functional roles of matrix proteins in the different zones of articular cartilage in health and disease.
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Baums MH, Schultz W, Kostuj T, Klinger HM. Cartilage repair techniques of the talus: An update. World J Orthop 2014; 5:171-179. [PMID: 25035819 PMCID: PMC4095009 DOI: 10.5312/wjo.v5.i3.171] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2014] [Accepted: 05/19/2014] [Indexed: 02/06/2023] Open
Abstract
Symptomatic chondral or osteochondral defects of the talus reduce the quality of life of many patients. Although their pathomechanism is well understood, it is well known that different aetiologic factors play a role in their origin. Additionally, it is well recognised that the talar articular cartilage strongly differs from that in the knee. Despite this fact, many recommendations for the management of talar cartilage defects are based on approaches that were developed for the knee. Conservative treatment seems to work best in paediatric and adolescent patients with osteochondritis dissecans. However, depending on the size of the lesions, surgical approaches are necessary to treat many of these defects. Bone marrow stimulation techniques may achieve good results in small lesions. Large lesions may be treated by open procedures such as osteochondral autograft transfer or allograft transplantation. Autologous chondrocyte transplantation, as a restorative procedure, is well investigated in the knee and has been applied in the talus with increasing popularity and promising results but the evidence to date is poor. The goals of the current article are to summarise the different options for treating chondral and osteochondral defects of the talus and review the available literature.
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Taffetani M, Griebel M, Gastaldi D, Klisch S, Vena P. Poroviscoelastic finite element model including continuous fiber distribution for the simulation of nanoindentation tests on articular cartilage. J Mech Behav Biomed Mater 2014; 32:17-30. [DOI: 10.1016/j.jmbbm.2013.12.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2013] [Revised: 11/30/2013] [Accepted: 12/02/2013] [Indexed: 11/28/2022]
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Grzelak P, Domzalski M, Majos A, Podgórski M, Stefanczyk L, Krochmalski M, Polguj M. Thickening of the knee joint cartilage in elite weightlifters as a potential adaptation mechanism. Clin Anat 2014; 27:920-8. [PMID: 24648385 DOI: 10.1002/ca.22393] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2013] [Revised: 02/03/2014] [Accepted: 02/20/2014] [Indexed: 01/17/2023]
Abstract
Thickening and increase of area of cartilage have been proposed as two alternative mechanisms of cartilage functional adaptation. The latter has been reported in endurance sportsmen. In weightlifters, extreme strain applied to the articular surfaces can result in other forms of adaptation. The aim of this research is to determine whether cartilage thickness is greater in elite weightlifters than in physically inactive men. Weightlifters (13) and 20 controls [age and body mass index (BMI) matched] underwent knee Magnetic Resonance Imaging (MRI). A single sagittal slice of the knee was taken and cartilage thickness was measured in five and six regions of the medial and lateral femoral condyles, respectively. The analyzed segments represented weight-bearing and nonweight-bearing regions. The tibia cartilage in the weight-bearing area was also measured. The time of training onset and its duration in the weightlifter group were recorded. The cartilage was found to be significantly thicker in weightlifters in most of the analyzed regions. The distribution of cartilage thickness on the medial and lateral femoral condyles was similar in both groups. The duration of training was not associated with cartilage thickness, but the time of training onset correlated inversely with cartilage thickness. It is possible that in high-strain sports, joint cartilage can undergo functional adaptation by thickening. Thus, mechanical loading history could exert a postnatal influence on cartilage morphology.
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Affiliation(s)
- Piotr Grzelak
- Department of Radiology and Diagnostic Imaging, Medical University of Lodz, Poland
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45
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Nishizawa Y, Matsumoto T, Araki D, Nagamune K, Matsushita T, Kurosaka M, Kuroda R. Matching articular surfaces of selected donor and recipient sites for cylindrical osteochondral grafts of the femur: quantitative evaluation using a 3-dimensional laser scanner. Am J Sports Med 2014; 42:658-64. [PMID: 24458242 DOI: 10.1177/0363546513518005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Autogenous osteochondral grafting has been widely performed as a treatment for focal osteochondral defects. In this procedure, it is important to match the shape of the articular surface between the donor site and recipient site to reproduce the original articular surface of the femur. PURPOSE To investigate the ideal matching patterns of articular surface profiles of donor and recipient sites for autogenous osteochondral grafting of the femur using a 3-dimensional laser scanning method. STUDY DESIGN Descriptive laboratory study. METHODS The donor and recipient sites in 11 cadaveric knees were examined, and each of the sites was divided into 12 areas. In the donor sites, the contours of the articular surface of the medial and lateral femoral trochleae were determined. In the recipient sites, the contours of the articular surface of the medial and lateral femoral condyles were assessed. Vertical intervals (VIs) were then calculated as the parameter for the height of the articular surface. The VI was the height difference from the highest and lowest points in the contours of the articular surface within the area of the donor and recipient sites. Finally, assessments were made on whether the articular surface of the donor and recipient sites matched properly for cylindrical osteochondral grafts with diameters of 6, 8, and 10 mm. RESULTS For the donor site, the VIs of the middle area of the femoral trochlea were significantly smaller than those of the peripheral area. For the recipient site, the VIs of the anterior area of the femoral condyle were significantly smaller than those of the posterior area. CONCLUSION These results indicated in aging specimens that the articular surface profile of the middle area of the donor site matched that of the anterior area of the recipient site. On the other hand, the shape of the articular surface of the peripheral area of the donor site was congruent with that of the posterior area of the recipient site. CLINICAL RELEVANCE This study will be useful for improving donor site selection during preoperative planning. The authors recommend selection of the middle area of the femoral trochlea for cartilage defects in the anterior area of the femoral condyle and of the peripheral area of the femoral trochlea for cartilage defects in the posterior area of the femoral condyle.
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Affiliation(s)
- Yuichiro Nishizawa
- Tomoyuki Matsumoto, Department of Orthopaedic Surgery, Graduate School of Medicine, Kobe University, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
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McGoverin CM, Lewis K, Yang X, Bostrom MPG, Pleshko N. The contribution of bone and cartilage to the near-infrared spectrum of osteochondral tissue. APPLIED SPECTROSCOPY 2014; 68:1168-75. [PMID: 25197817 PMCID: PMC4235673 DOI: 10.1366/13-07327] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Near-infrared (NIR) spectroscopy has been used to assess hyaline cartilage quality in human and animal osteochondral tissues. However, due to the lack of NIR signal from bone phosphate and the relatively deep penetration depth of the radiation, the separate contributions of cartilage and bone to the spectral signatures have not been well defined. The objectives of the current study were (1) to improve the understanding of the contributions of bone and cartilage to NIR spectra acquired from osteochondral tissue and (2) to assess the ability of this nondestructive method to predict cartilage thickness and modified Mankin grade of human tibial plateau articular cartilage. Near-infrared spectra were acquired from samples of bovine bone and cartilage with varying thicknesses and from 22 tibial plateaus harvested from patients undergoing knee replacement surgery. The spectra were recorded from regions of the tibial plateaus with varying degrees of degradation, and the cartilage thickness and modified Mankin grade of these regions were assessed histologically. The spectra from bone and cartilage samples of known thicknesses were investigated to identify spectral regions that were distinct for these two tissues. Univariate and multivariate linear regression methods were used to correlate modified Mankin grade and cartilage thickness with NIR spectral changes. The ratio of the NIR absorbances associated with water at 5270 and 7085 cm(-1) was the best differentiator of cartilage and bone spectra. The NIR prediction models for thickness and Mankin grade calculated using partial least squares regression were more accurate than were univariate-based prediction models, with a root mean square errors of cross-validation of 0.42 mm (for thickness) and 1.3 (for modified Mankin grade). We conclude that NIR spectroscopy may be used to simultaneously assess articular cartilage thickness and modified Mankin grade, based in part on differences in spectral contributions from bone and cartilage.
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Affiliation(s)
- Cushla M. McGoverin
- Department of Bioengineering, College of Engineering, Temple University, 1947 North 12 St., Philadelphia, PA 19122
| | - Karl Lewis
- Department of Bioengineering, College of Engineering, Temple University, 1947 North 12 St., Philadelphia, PA 19122
| | - Xu Yang
- Research Division, Hospital for Special Surgery, 535 East 70 St., New York, NY 10021
| | - Mathias P. G. Bostrom
- Research Division, Hospital for Special Surgery, 535 East 70 St., New York, NY 10021
| | - Nancy Pleshko
- Department of Bioengineering, College of Engineering, Temple University, 1947 North 12 St., Philadelphia, PA 19122
- Research Division, Hospital for Special Surgery, 535 East 70 St., New York, NY 10021
- Corresponding Author: Nancy Pleshko, PhD, Department of Bioengineering, College of Engineering, Temple University, 1947 North 12 St., Philadelphia, PA 19122, Phone: 215-204-4280,
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Beynnon BD, Vacek PM, Sturnick DR, Holterman LA, Gardner-Morse M, Tourville TW, Smith HC, Slauterbeck JR, Johnson RJ, Shultz SJ. Geometric profile of the tibial plateau cartilage surface is associated with the risk of non-contact anterior cruciate ligament injury. J Orthop Res 2014; 32:61-8. [PMID: 24123281 PMCID: PMC6604060 DOI: 10.1002/jor.22434] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2013] [Accepted: 06/14/2013] [Indexed: 02/04/2023]
Abstract
The purpose of this study was to determine if geometry of the articular surfaces of the tibial plateau is associated with non-contact anterior cruciate ligament (ACL) injury. This was a longitudinal cohort study with a nested case-control analysis. Seventy-eight subjects who suffered a non-contact ACL tear and a corresponding number of controls matched by age, sex, and sport underwent 3 T MRI of both knees. Surface geometry of the tibial articular cartilage was characterized with polynomial equations and comparisons were made between knees on the same person and between ACL-injured and control subjects. There was no difference in surface geometry between the knees of the control subjects. In contrast, there were significant differences in the surface geometry between the injured and normal knees of the ACL-injured subjects, suggesting that the ACL injury changed the cartilage surface profile. Therefore, comparisons were made between the uninjured knees of the ACL-injured subjects and the corresponding knees of their matched controls and this revealed significant differences in the surface geometry for the medial (p < 0.006) and lateral (p < 0.001) compartments. ACL-injured subjects tended to demonstrate a posterior-inferior directed orientation of the articular surface relative to the long axis of the tibia, while the control subjects were more likely to show a posterior-superior directed orientation.
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Affiliation(s)
- Bruce D. Beynnon
- McClure Musculoskeletal Research Center, Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, Vermont
| | - Pamela M. Vacek
- Department of Medical Biostatistics, Unviversity of Vermont, Burlington, Vermont
| | - Daniel R. Sturnick
- McClure Musculoskeletal Research Center, Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, Vermont
| | - Leigh Ann Holterman
- Department of Medical Biostatistics, Unviversity of Vermont, Burlington, Vermont
| | - Mack Gardner-Morse
- McClure Musculoskeletal Research Center, Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, Vermont
| | - Timothy W. Tourville
- McClure Musculoskeletal Research Center, Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, Vermont
| | - Helen C. Smith
- McClure Musculoskeletal Research Center, Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, Vermont
| | - James R. Slauterbeck
- McClure Musculoskeletal Research Center, Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, Vermont
| | - Robert J. Johnson
- McClure Musculoskeletal Research Center, Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, Vermont
| | - Sandra J. Shultz
- Department of Kinesiology, University of North Carolina at Greensboro, Greensboro, North Carolina
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Duarte R, Ramos A, Completo A, Relvas C, Simões J. The importance of femur/acetabulum cartilage in the biomechanics of the intact hip: experimental and numerical assessment. Comput Methods Biomech Biomed Engin 2013; 18:880-9. [PMID: 24261321 DOI: 10.1080/10255842.2013.854335] [Citation(s) in RCA: 5] [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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49
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Thickness distribution of the glenohumeral joint cartilage: a quantitative study using computed tomography. Surg Radiol Anat 2013; 36:327-31. [DOI: 10.1007/s00276-013-1221-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Accepted: 10/14/2013] [Indexed: 10/26/2022]
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50
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Li X, Majumdar S. Quantitative MRI of articular cartilage and its clinical applications. J Magn Reson Imaging 2013; 38:991-1008. [PMID: 24115571 DOI: 10.1002/jmri.24313] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2012] [Accepted: 06/21/2013] [Indexed: 12/27/2022] Open
Abstract
Cartilage is one of the most essential tissues for healthy joint function and is compromised in degenerative and traumatic joint diseases. There have been tremendous advances during the past decade using quantitative MRI techniques as a noninvasive tool for evaluating cartilage, with a focus on assessing cartilage degeneration during osteoarthritis (OA). In this review, after a brief overview of cartilage composition and degeneration, we discuss techniques that grade and quantify morphologic changes as well as the techniques that quantify changes in the extracellular matrix. The basic principles, in vivo applications, advantages, and challenges for each technique are discussed. Recent studies using the OA Initiative (OAI) data are also summarized. Quantitative MRI provides noninvasive measures of cartilage degeneration at the earliest stages of joint degeneration, which is essential for efforts toward prevention and early intervention in OA.
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Affiliation(s)
- Xiaojuan Li
- Musculoskeletal Quantitative Imaging Research Group, Department of Radiology and Biomedical Imaging, University of California, San Francisco, California, USA
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