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Tschopp M, Pfirrmann CWA, Brunner F, Fucentese SF, Galley J, Stern C, Sutter R, Catanzaro S, Kühne N, Rosskopf AB. Morphological and Quantitative Parametric MRI Follow-up of Cartilage Changes Before and After Intra-articular Injection Therapy in Patients With Mild to Moderate Knee Osteoarthritis: A Randomized, Placebo-Controlled Trial. Invest Radiol 2024; 59:646-655. [PMID: 38421679 DOI: 10.1097/rli.0000000000001067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
BACKGROUND Intra-articular injections are routinely used for conservative treatment of knee osteoarthritis (OA). The detailed comparative therapeutic effects of these injections on cartilage tissue are still unclear. OBJECTIVE The aim of this study was to detect and compare knee cartilage changes after intra-articular injection of glucocorticoid, hyaluronic acid, or platelet-rich plasma (PRP) to placebo using quantitative (T2 and T2* mapping) and morphological magnetic resonance imaging parameters in patients with mild or moderate osteoarthritis. MATERIALS AND METHODS In a double-blinded, placebo-controlled, single-center trial, knees with mild or moderate osteoarthritis (Kellgren-Lawrence grade 1-3) were randomly assigned to an intra-articular injection with 1 of these substances: glucocorticoid, hyaluronic acid, PRP, or placebo. Cartilage degeneration on baseline and follow-up magnetic resonance imaging scans (after 3 and 12 months) was assessed by 2 readers using quantitative T2 and T2* times (milliseconds) and morphological parameters (modified Outerbridge grading, subchondral bone marrow edema, subchondral cysts, osteophytes). RESULTS One hundred twenty knees (30 knees per treatment group) were analyzed with a median patient age of 60 years (interquartile range, 54.0-68.0 years). Interreader reliability was good for T2 (ICC, 0.76; IQR, 0.68-0.83) and T2* (ICC, 0.83; IQR, 0.76-0.88) measurements. Morphological parameters showed no significant changes between all groups after 3 and 12 months. T2 mapping after 12 months showed the following significant ( P = 0.001-0.03) changes between groups in 6 of 14 compartments: values after PRP injection decreased compared with glucocorticoid in 4 compartments (complete medial femoral condyle and central part of lateral condyle) and compared with placebo in 2 compartments (anterior and central part of medial tibial plateau); values after glucocorticoid injection decreased compared with placebo in 1 compartment (central part of medial tibial plateau). No significant changes were seen for T2 and T2* times after 3 months and T2* times after 12 months. No correlation was found between T2/T2* times and Kellgren-Lawrence grade, age, body mass index, or pain (Spearman ρ, -0.23 to 0.18). CONCLUSIONS Platelet-rich plasma injection has a positive long-term effect on cartilage quality in the medial femoral compartment compared to glucocorticoid, resulting in significantly improved T2 values after 12 months. For morphological cartilage parameters, injections with glucocorticoid, PRP, or hyaluronic acid showed no better effect in the short or long term compared with placebo.
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Affiliation(s)
- Marcel Tschopp
- From the Department of Physical Medicine and Rheumatology, Balgrist University Hospital, Zurich, Switzerland (M.T., F.B.); Orthopedic Surgery, Balgrist University Hospital, Zurich, Switzerland (S.F.F.); University of Zurich, Faculty of Medicine, Zurich, Switzerland (C.W.A.P., F.B., S.F.F., J.G., C.S., R.S., A.B.R.); Radiology, Balgrist University Hospital, Zurich, Switzerland (C.W.A.P., J.G., C.S., R.S., A.B.R.); and Unit for Clinical and Applied Research (UCAR), Balgrist Campus, Zurich, Switzerland (S.C., N.K.)
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Eckstein F, Walter-Rittel TC, Chaudhari AS, Brisson NM, Maleitzke T, Duda GN, Wisser A, Wirth W, Winkler T. The design of a sample rapid magnetic resonance imaging (MRI) acquisition protocol supporting assessment of multiple articular tissues and pathologies in knee osteoarthritis. OSTEOARTHRITIS AND CARTILAGE OPEN 2024; 6:100505. [PMID: 39183946 PMCID: PMC11342198 DOI: 10.1016/j.ocarto.2024.100505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 07/21/2024] [Indexed: 08/27/2024] Open
Abstract
Objective This expert opinion paper proposes a design for a state-of-the-art magnetic resonance image (MRI) acquisition protocol for knee osteoarthritis clinical trials in early and advanced disease. Semi-quantitative and quantitative imaging endpoints are supported, partly amendable to automated analysis. Several (peri-) articular tissues and pathologies are covered, including synovitis. Method A PubMed literature search was conducted, with focus on the past 5 years. Further, osteoarthritis imaging experts provided input. Specific MRI sequences, orientations, spatial resolutions and parameter settings were identified to align with study goals. We strived for implementation on standard clinical scanner hardware, with a net acquisition time ≤30 min. Results Short- and long-term longitudinal MRIs should be obtained at ≥1.5T, if possible without hardware changes during the study. We suggest a series of gradient- and spin-echo-sequences, supporting MOAKS, quantitative analysis of cartilage morphology and T2, and non-contrast-enhanced depiction of synovitis. These sequences should be properly aligned and positioned using localizer images. One of the sequences may be repeated in each participant (re-test), optimally at baseline and follow-up, to estimate within-study precision. All images should be checked for quality and protocol-adherence as soon as possible after acquisition. Alternative approaches are suggested that expand on the structural endpoints presented. Conclusions We aim to bridge the gap between technical MRI acquisition guides and the wealth of imaging literature, proposing a balance between image acquisition efficiency (time), safety, and technical/methodological diversity. This approach may entertain scientific innovation on tissue structure and composition assessment in clinical trials on disease modification of knee osteoarthritis.
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Affiliation(s)
- Felix Eckstein
- Research Program for Musculoskeletal Imaging, Center for Anatomy & Cell Biology, Paracelsus Medical University, Salzburg, Austria
- Ludwig Boltzmann Institute for Arthritis and Rehabilitation (LBIAR), Paracelsus Medical University, Salzburg, Austria
- Chondrometrics GmbH, Freilassing, Germany
| | - Thula Cannon Walter-Rittel
- Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Radiology, Berlin, Germany
| | | | - Nicholas M. Brisson
- Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Julius Wolff Institute, Berlin, Germany
- Berlin Movement Diagnostics (BeMoveD), Center for Musculoskeletal Surgery, Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Tazio Maleitzke
- Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Julius Wolff Institute, Berlin, Germany
- Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Center for Musculoskeletal Surgery, Berlin, Germany
- Trauma Orthopaedic Research Copenhagen Hvidovre (TORCH), Department of Orthopaedic Surgery, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Georg N. Duda
- Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Julius Wolff Institute, Berlin, Germany
- Berlin Movement Diagnostics (BeMoveD), Center for Musculoskeletal Surgery, Charité – Universitätsmedizin Berlin, Berlin, Germany
- Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin Institute of Health Center for Regenerative Therapies, Berlin, Germany
| | - Anna Wisser
- Research Program for Musculoskeletal Imaging, Center for Anatomy & Cell Biology, Paracelsus Medical University, Salzburg, Austria
- Ludwig Boltzmann Institute for Arthritis and Rehabilitation (LBIAR), Paracelsus Medical University, Salzburg, Austria
- Chondrometrics GmbH, Freilassing, Germany
| | - Wolfgang Wirth
- Research Program for Musculoskeletal Imaging, Center for Anatomy & Cell Biology, Paracelsus Medical University, Salzburg, Austria
- Ludwig Boltzmann Institute for Arthritis and Rehabilitation (LBIAR), Paracelsus Medical University, Salzburg, Austria
- Chondrometrics GmbH, Freilassing, Germany
| | - Tobias Winkler
- Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Julius Wolff Institute, Berlin, Germany
- Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Center for Musculoskeletal Surgery, Berlin, Germany
- Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin Institute of Health Center for Regenerative Therapies, Berlin, Germany
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Hashimoto S, Ohsawa T, Omae H, Oshima A, Takase R, Chikuda H. Extracorporeal shockwave therapy for degenerative meniscal tears results in a decreased T2 relaxation time and pain relief: An exploratory randomized clinical trial. Knee Surg Sports Traumatol Arthrosc 2024. [PMID: 39101450 DOI: 10.1002/ksa.12384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 07/03/2024] [Accepted: 07/08/2024] [Indexed: 08/06/2024]
Abstract
PURPOSE The optimal management of degenerative meniscal tears remains controversial. Extracorporeal shockwave therapy (ESWT) has been shown to promote tissue repair in both preclinical and clinical studies; however, its effect on degenerative meniscal tears remains unknown. This study aimed to examine whether ESWT improves meniscal degeneration. METHODS This randomized trial was conducted between 2020 and 2022 and involved patients with degenerative medial meniscal tears. Patients were allocated to receive either focused ESWT (0.25 mJ/mm2, 2000 impulses, 3 sessions with a 1-week interval) or sham treatment. Patients were evaluated using magnetic resonance imaging (MRI) before treatment and at 12 months after treatment. The primary endpoint was improvement in meniscal degeneration, as assessed by the change in T2 relaxation time from baseline on MRI T2 mapping. Knee pain and clinical outcomes were also examined at the same time. RESULTS Of 29 randomized patients, 27 patients (mean age 63.9 ± 8.7 years; females 37%; ESWT group 14 patients; control group 13 patients) were included in the final analysis. At 12 months postintervention, patients in the ESWT group showed a greater decrease in the T2 relaxation time (ESWT group -2.9 ± 1.7 ms vs. control group 1.0 ± 1.9 ms; p < 0.001) and had less knee pain (p = 0.04). The clinical outcomes at 12 months post-treatment were not statistically significant. No adverse events were reported. CONCLUSION ESWT decreased the T2 relaxation time in the meniscus at 12 months post-treatment. ESWT also provided pain relief, but no differences were observed in clinical outcomes. LEVEL OF EVIDENCE Level II.
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Affiliation(s)
- Shogo Hashimoto
- Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Takashi Ohsawa
- Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Hiroaki Omae
- Department of Orthopaedic Surgery, Zenshukai Hospital, Maebashi, Gunma, Japan
| | - Atsufumi Oshima
- Department of Orthopaedic Surgery, Takasaki Genaral Medical Center, Takasaki, Gunma, Japan
| | - Ryota Takase
- Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Hirotaka Chikuda
- Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
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Rovedo P, Meine H, Hucker P, Taghizadeh E, Izadpanah K, Zaitsev M, Lange T. Time-Resolved Quantification of Patellofemoral Cartilage Deformation in Response to Loading and Unloading via Dynamic MRI With Prospective Motion Correction. J Magn Reson Imaging 2024; 60:175-183. [PMID: 37668040 DOI: 10.1002/jmri.28986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 08/16/2023] [Accepted: 08/16/2023] [Indexed: 09/06/2023] Open
Abstract
BACKGROUND In vivo cartilage deformation has been studied by static magnetic resonance imaging (MRI) with in situ loading, but knowledge about strain dynamics after load onset and release is scarce. PURPOSE To measure the dynamics of patellofemoral cartilage deformation and recovery in response to in situ loading and unloading by using MRI with prospective motion correction. STUDY TYPE Prospective. SUBJECTS Ten healthy male volunteers (age: [31.4 ± 3.2] years). FIELD STRENGTH/SEQUENCE T1-weighted RF-spoiled 2D gradient-echo sequence with a golden angle radial acquisition scheme, augmented with prospective motion correction, at 3 T. ASSESSMENT In situ knee loading was realized with a flexion angle of approximately 40° using an MR-compatible pneumatic loading device. The loading paradigm consisted of 2 minutes of unloaded baseline followed by a 5-minute loading bout with 50% body weight and an unloading period of 38 minutes. The cartilage strain was assessed as the mean distance between patellar and femoral bone-cartilage interfaces as a percentage of the initial (pre-load) distance. STATISTICAL TESTS Wilcoxon signed-rank tests (significance level: P < 0.05), Pearson correlation coefficient (r). RESULTS The cartilage compression and recovery behavior was characterized by a viscoelastic response. The elastic compression ([-12.5 ± 3.1]%) was significantly larger than the viscous compression ([-7.6 ± 1.5]%) and the elastic recovery ([10.5 ± 2.1]%) was significantly larger than the viscous recovery ([6.1 ± 1.8]%). There was a significant residual offset strain ([-3.6 ± 2.3]%) across the cohort. A significant negative correlation between elastic compression and elastic recovery was observed (r = -0.75). DATA CONCLUSION The in vivo cartilage compression and recovery time course in response to loading was successfully measured via dynamic MRI with prospective motion correction. The clinical relevance of the strain characteristics needs to be assessed in larger subject and patient cohorts. LEVEL OF EVIDENCE 2 TECHNICAL EFFICACY: Stage 1.
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Affiliation(s)
- Philipp Rovedo
- Division of Medical Physics, Department of Diagnostic and Interventional Radiology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Hans Meine
- Medical Image Computing Group, Department of Informatics, University of Bremen, Bremen, Germany
- Fraunhofer Institute for Digital Medicine MEVIS, Bremen, Germany
| | - Patrick Hucker
- Division of Medical Physics, Department of Diagnostic and Interventional Radiology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Elham Taghizadeh
- Medical Image Computing Group, Department of Informatics, University of Bremen, Bremen, Germany
- Fraunhofer Institute for Digital Medicine MEVIS, Bremen, Germany
| | - Kaywan Izadpanah
- Department of Orthopedic and Trauma Surgery, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Maxim Zaitsev
- Division of Medical Physics, Department of Diagnostic and Interventional Radiology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Thomas Lange
- Division of Medical Physics, Department of Diagnostic and Interventional Radiology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
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Baumann-Jungmann PM, Giesler P, Schneider J, Jung M, Karampinos DC, Weidlich D, Gersing AS, Baumann FA, Imhoff AB, Woertler K, Bamberg F, Holwein C. MR imaging after patellar MACI and MPFL reconstruction: a comparison of isolated versus combined procedures. Skeletal Radiol 2024; 53:1319-1332. [PMID: 38240761 DOI: 10.1007/s00256-024-04582-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 01/05/2024] [Accepted: 01/07/2024] [Indexed: 05/15/2024]
Abstract
OBJECTIVE To qualitatively and quantitatively evaluate the 2.5-year MRI outcome after Matrix-associated autologous chondrocyte implantation (MACI) at the patella, reconstruction of the medial patellofemoral ligament (MPFL), and combined procedures. METHODS In 66 consecutive patients (age 22.8 ± 6.4years) with MACI at the patella (n = 16), MPFL reconstruction (MPFL; n = 31), or combined procedures (n = 19) 3T MRI was performed 2.5 years after surgery. For morphological MRI evaluation WORMS and MOCART scores were obtained. In addition quantitative cartilage T2 and T1rho relaxation times were acquired. Several clinical scores were obtained. Statistical analyses included descriptive statistics, Mann-Whitney-U-tests and Pearson correlations. RESULTS WORMS scores at follow-up (FU) were significantly worse after combined procedures (8.7 ± 4.9) than after isolated MACI (4.3 ± 3.6, P = 0.005) and after isolated MPFL reconstruction (5.3 ± 5.7, P = 0.004). Bone marrow edema at the patella in the combined group was the only (non-significantly) worsening WORMS parameter from pre- to postoperatively. MOCART scores were significantly worse in the combined group than in the isolated MACI group (57 ± 3 vs 88 ± 9, P < 0.001). Perfect defect filling was achieved in 26% and 69% of cases in the combined and MACI group, respectively (P = 0.031). Global and patellar T2 values were higher in the combined group (Global T2: 34.0 ± 2.8ms) and MACI group (35.5 ± 3.1ms) as compared to the MPFL group (31.1 ± 3.2ms, P < 0.05). T2 values correlated significantly with clinical scores (P < 0.005). Clinical Cincinnati scores were significantly worse in the combined group (P < 0.05). CONCLUSION After combined surgery with patellar MACI and MPFL reconstruction inferior MRI outcomes were observed than after isolated procedures. Therefore, patients with need for combined surgery may be at particular risk for osteoarthritis.
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Affiliation(s)
- Pia M Baumann-Jungmann
- Department of Diagnostic and Interventional Radiology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany.
- Department of Radiology, Kantonsspital Graubünden, Chur, Switzerland.
| | - Paula Giesler
- Department of Diagnostic and Interventional Radiology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany
| | - Julia Schneider
- Department of Orthopaedic Sports Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Strasse 22, 81675, Munich, Germany
| | - Matthias Jung
- Department of Diagnostic and Interventional Radiology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany
| | - Dimitrios C Karampinos
- Department of Radiology, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Strasse 22, 81675, Munich, Germany
| | - Dominik Weidlich
- Department of Radiology, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Strasse 22, 81675, Munich, Germany
| | - Alexandra S Gersing
- Department of Radiology, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Strasse 22, 81675, Munich, Germany
- Department of Neuroradiology, University Hospital, LMU Munich, Marchioninistrasse 15, 81377, Munich, Germany
| | - Frederic A Baumann
- Department of Vascular Medicine, Hospital of Schiers, Schiers, Switzerland
| | - Andreas B Imhoff
- Department of Orthopaedic Sports Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Strasse 22, 81675, Munich, Germany
| | - Klaus Woertler
- Department of Radiology, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Strasse 22, 81675, Munich, Germany
| | - Fabian Bamberg
- Department of Diagnostic and Interventional Radiology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany
| | - Christian Holwein
- Department of Orthopaedic Sports Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Strasse 22, 81675, Munich, Germany
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Casula V, Kajabi AW. Quantitative MRI methods for the assessment of structure, composition, and function of musculoskeletal tissues in basic research and preclinical applications. MAGMA (NEW YORK, N.Y.) 2024:10.1007/s10334-024-01174-7. [PMID: 38904746 DOI: 10.1007/s10334-024-01174-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 05/04/2024] [Accepted: 05/30/2024] [Indexed: 06/22/2024]
Abstract
Osteoarthritis (OA) is a disabling chronic disease involving the gradual degradation of joint structures causing pain and dysfunction. Magnetic resonance imaging (MRI) has been widely used as a non-invasive tool for assessing OA-related changes. While anatomical MRI is limited to the morphological assessment of the joint structures, quantitative MRI (qMRI) allows for the measurement of biophysical properties of the tissues at the molecular level. Quantitative MRI techniques have been employed to characterize tissues' structural integrity, biochemical content, and mechanical properties. Their applications extend to studying degenerative alterations, early OA detection, and evaluating therapeutic intervention. This article is a review of qMRI techniques for musculoskeletal tissue evaluation, with a particular emphasis on articular cartilage. The goal is to describe the underlying mechanism and primary limitations of the qMRI parameters, their association with the tissue physiological properties and their potential in detecting tissue degeneration leading to the development of OA with a primary focus on basic and preclinical research studies. Additionally, the review highlights some clinical applications of qMRI, discussing the role of texture-based radiomics and machine learning in advancing OA research.
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Affiliation(s)
- Victor Casula
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland.
| | - Abdul Wahed Kajabi
- Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, USA
- Department of Radiology, University of Minnesota, Minneapolis, MN, USA
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Battersby HS, Holmes SC, Shumski EJ, Heredia CE, Garcia SA, Pamukoff DN. The Influence of Knee Position on Ultrasound Imaging of Femoral Cartilage in Individuals with Anterior Cruciate Ligament Reconstruction. Cartilage 2024; 15:84-93. [PMID: 37846037 PMCID: PMC11368891 DOI: 10.1177/19476035231205682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 08/07/2023] [Accepted: 09/09/2023] [Indexed: 10/18/2023] Open
Abstract
BACKGROUND Articular cartilage is important for knee function and can be imaged using ultrasound. The purpose was to compare femoral cartilage thickness and echo intensity (EI) measured at 90° and 140° of knee flexion and between limbs in a cohort with unilateral anterior cruciate ligament reconstruction (ACLR). We also examined associations between gait biomechanics and cartilage outcomes. METHODS Twenty-seven individuals with primary unilateral ACLR participated (12 men, 15 women; age = 22.3 ± 3.8 years; time since ACLR = 71.2 ± 47.2 months). Ultrasound was used to obtain femoral cartilage measurements. Gait outcomes included peak KFA (knee flexion angle) and peak external knee flexion moment (KFM). Cartilage outcomes were compared using a 2 (position) × 2 (limb) repeated measures ANOVA (analysis of variance). Gait and cartilage associations were assessed using linear regression. FINDINGS There were no position × limb interactions for any cartilage outcome (all P > 0.05). Medial (P = 0.038) and central cartilage (P < 0.001) were thicker, whereas central (P = 0.029) and lateral cartilage EI (P = 0.003) were lower when measured at 90° than those at 140° of knee flexion. Medial cartilage was thicker in the ACLR than that in the contralateral limb (P = 0.016). A larger KFM was associated with thicker medial cartilage (ΔR2 = 0.146, P = 0.021) and central cartilage (ΔR2 = 0.159, P = 0.039) measured at 140° of knee flexion in the ACLR limb but not at 90°. INTERPRETATION Findings suggest that imaging position influences cartilage thickness and EI measurements in individuals with ACLR and should be considered in study designs and clinical evaluation. A greater KFM was associated with thicker cartilage within specific portions of the distal femur.
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Affiliation(s)
| | - Skylar C. Holmes
- Department of Kinesiology, University of Massachusetts Amherst, Amherst, MA, USA
| | - Eric J. Shumski
- Department of Kinesiology, University of Georgia, Athens, GA, USA
| | | | - Steven A. Garcia
- School of Kinesiology, University of Michigan, Ann Arbor, MI, USA
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Okada S, Taniguchi M, Yagi M, Motomura Y, Okada S, Nakazato K, Fukumoto Y, Kobayashi M, Kanemitsu K, Ichihashi N. Characteristics of Acute Cartilage Response After Mechanical Loading in Patients with Early-Mild Knee Osteoarthritis. Ann Biomed Eng 2024; 52:1326-1334. [PMID: 38329562 DOI: 10.1007/s10439-024-03456-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 01/17/2024] [Indexed: 02/09/2024]
Abstract
This study determined whether the acute cartilage response, assessed by cartilage thickness and echo intensity, differs between patients with early-mild knee osteoarthritis (OA) and healthy controls. We recruited 56 women aged ≥ 50 years with Kellgren-Lawrence (KL) grade ≤ 2 (age, 70.6 ± 7.4 years; height, 153.7 ± 5.2 cm; weight, 51.9 ± 8.2 kg). Based on KL grades and knee symptoms, the participants were classified into control (KL ≤ 1, asymptomatic, n = 27) and early-mild knee OA groups (KL 1 and symptomatic, KL 2, n = 29). Medial femoral cartilage thickness and echo intensity were assessed using ultrasonographic B-mode images before and after treadmill walking (15 min, 3.3 km/h). To investigate the acute cartilage response, repeated-measures analysis of covariance (groups × time) with adjusted age, external knee moment impulse, steps during treadmill walking, and cartilage thickness at pre-walking was performed. A significant interaction was found at the tibiofemoral joint; after walking, the cartilage thickness was significantly decreased in the early-mild knee OA group compared to the control group (p = 0.002). At the patellofemoral joint, a significant main effect of time was observed, but no interaction was detected (p = 0.802). No changes in cartilage echo intensity at either the tibiofemoral or patellofemoral joints, and no interactions were noted (p = 0.295 and p = 0.063). As acute cartilage response after walking, the thickness of the medial tibiofemoral joint in the early-mild knee OA was significantly reduced than that in the control group. Thus, greater acute deformation after walking might be a feature found in patients with early-mild knee OA.
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Affiliation(s)
- Shogo Okada
- Human Health Sciences, Graduate School of Medicine, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
- Research Fellow of the Japan Society for the Promotion of Science, Tokyo, Japan
| | - Masashi Taniguchi
- Human Health Sciences, Graduate School of Medicine, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan.
| | - Masahide Yagi
- Human Health Sciences, Graduate School of Medicine, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Yoshiki Motomura
- Human Health Sciences, Graduate School of Medicine, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
- Kobayashi Orthopaedic Clinic, Kyoto, Japan
| | - Sayaka Okada
- Human Health Sciences, Graduate School of Medicine, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Kaede Nakazato
- Human Health Sciences, Graduate School of Medicine, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Yoshihiro Fukumoto
- Human Health Sciences, Graduate School of Medicine, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
- Faculty of Rehabilitation, Kansai Medical University, Osaka, Japan
| | | | | | - Noriaki Ichihashi
- Human Health Sciences, Graduate School of Medicine, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
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Monte A, Franchi MV, Zamparo P. Characterization of the in vivo transient responses of the femoral cartilage by means of quantitative ultrasound imaging techniques. Scand J Med Sci Sports 2024; 34:e14613. [PMID: 38534068 DOI: 10.1111/sms.14613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 02/25/2024] [Accepted: 03/19/2024] [Indexed: 03/28/2024]
Abstract
BACKGROUND Quantitative ultrasound (QUS) techniques are new diagnostic tools able to identify changes in structural and material properties of the investigated tissue. For the first time, we evaluated the capability of QUS techniques in determining the in vivo transient changes in knee joint cartilage after a stressful task. METHODS An ultrasound scanner collecting B-mode and radiofrequency data simultaneously was used to collect data from the femoral cartilage of the right knee in 15 participants. Cartilage thickness (CTK), ultrasound roughness index (URI), average magnitude ratio (AMR), and Nakagami parameters (NA) were evaluated before, immediately after and every 5 min up to 45 min a stressful task (30 min of running on a treadmill with a negative slope of 5%). RESULTS CTK was affected by time (main effect: p < 0.001). Post hoc test showed significant differences with CTK at rest, which were observed up to 30 min after the run. AMR and NA were affected by time (p < 0.01 for both variables), while URI was unaffected by it. For AMR, post hoc test showed significant differences with rest values in the first 35 min of recovery, while NA was increased compared to rest values in all time points. CONCLUSION Data suggest that a single running trial is not able to modify the integrity of the femoral cartilage, as reported by URI data. In vivo evaluation of QUS parameters of the femoral cartilage (NA, AMR, and URI) are able to characterize changes in cartilage properties over time.
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Affiliation(s)
- Andrea Monte
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Martino V Franchi
- Department of Biomedical Sciences, University of Padua, Padua, Italy
| | - Paola Zamparo
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
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10
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Firth AD, Pritchett SL, Milner JS, Atkinson HF, Bryant DM, Holdsworth DW, Getgood AMJ. Quantitative Magnetic Resonance Imaging of Lateral Compartment Articular Cartilage After Lateral Extra-articular Tenodesis. Am J Sports Med 2024; 52:909-918. [PMID: 38385189 DOI: 10.1177/03635465241228193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
BACKGROUND Concerns have arisen that anterior cruciate ligament reconstruction (ACLR) with lateral extra-articular tenodesis (LET) may accelerate the development of posttraumatic osteoarthritis in the lateral compartment of the knee. PURPOSE/HYPOTHESIS The purpose of this study was to evaluate whether the augmentation of ACLR with LET affects the quality of lateral compartment articular cartilage on magnetic resonance imaging (MRI) at 2 years postoperatively. We hypothesized that there would be no difference in T1rho and T2 relaxation times when comparing ACLR alone with ACLR + LET. STUDY DESIGN Randomized controlled trial; Level of evidence, 1. METHODS A consecutive subgroup of patients at the Fowler Kennedy Sport Medicine Clinic participating in the STABILITY 1 Study underwent bilateral 3-T MRI at 2 years after surgery. The primary outcome was T1rho and T2 relaxation times. Articular cartilage in the lateral compartment was manually segmented into 3 regions of the tibia (lateral tibia [LT]-1 to LT-3) and 5 regions of the femur (lateral femoral condyle [LFC]-1 to LFC-5). Analysis of covariance was used to compare relaxation times between groups, adjusted for lateral meniscal tears and treatment, cartilage and bone marrow lesions, contralateral relaxation times, and time since surgery. Semiquantitative MRI scores according to the Anterior Cruciate Ligament OsteoArthritis Score were compared between groups. Correlations were used to determine the association between secondary outcomes (including results of the International Knee Documentation Committee score, Knee injury and Osteoarthritis Outcome Score, Lower Extremity Functional Scale, 4-Item Pain Intensity Measure, hop tests, and isokinetic quadriceps and hamstring strength tests) and cartilage relaxation. RESULTS A total of 95 participants (44 ACLR alone, 51 ACLR + LET) with a mean age of 18.8 years (61.1% female [58/95]) underwent 2-year MRI (range, 20-36 months). T1rho relaxation times were significantly elevated for the ACLR + LET group in LT-1 (37.3 ± 0.7 ms vs 34.1 ± 0.8 ms, respectively; P = .005) and LFC-2 (43.9 ± 0.9 ms vs 40.2 ± 1.0 ms, respectively; P = .008) compared with the ACLR alone group. T2 relaxation times were significantly elevated for the ACLR + LET group in LFC-1 (51.2 ± 0.7 ms vs 49.1 ± 0.7 ms, respectively; P = .03) and LFC-4 (45.9 ± 0.5 ms vs 44.2 ± 0.6 ms, respectively; P = .04) compared with the ACLR alone group. All effect sizes were small to medium. There was no difference in Anterior Cruciate Ligament OsteoArthritis Scores between groups (P = .99). Weak negative associations (rs = -0.27 to -0.22; P < .05) were found between relaxation times and quadriceps and hamstring strength in the anterolateral knee, while all other correlations were nonsignificant (P > .05). CONCLUSION Increased relaxation times demonstrating small to medium effect sizes suggested early biochemical changes in articular cartilage of the anterolateral compartment in the ACLR + LET group compared with the ACLR alone group. Further evidence and long-term follow-up are needed to better understand the association between these results and the potential risk of the development of osteoarthritis in our patient cohort.
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Affiliation(s)
- Andrew D Firth
- Department of Epidemiology and Biostatistics, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada
| | - Stephany L Pritchett
- Division of Musculoskeletal Imaging, Department of Medical Imaging, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada
| | - Jaques S Milner
- Imaging Research Laboratories, Robarts Research Institute, Western University, London, Ontario, Canada
| | - Hayden F Atkinson
- School of Physical Therapy, Western University, London, Ontario, Canada
- Bone and Joint Institute, Western University, London, Ontario, Canada
| | - Dianne M Bryant
- School of Physical Therapy, Western University, London, Ontario, Canada
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada
| | - David W Holdsworth
- Imaging Research Laboratories, Robarts Research Institute, Western University, London, Ontario, Canada
- Department of Medical Biophysics, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada
| | - Alan M J Getgood
- Fowler Kennedy Sport Medicine Clinic, Western University, London, Ontario, Canada
- Department of Orthopaedic Surgery, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada
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11
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Singh A, Mantebea H, Badar F, Batool S, Abdelmessih G, Sebastian T, Newton M, Baker K, Salem S, Xia Y. Assessment of articular cartilage degradation in response to an impact injury using µMRI. Connect Tissue Res 2024; 65:146-160. [PMID: 38415672 PMCID: PMC10994738 DOI: 10.1080/03008207.2024.2319050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 02/09/2024] [Indexed: 02/29/2024]
Abstract
PURPOSE Degradation of articular cartilage (AC) due to injury to the knee joint may initiate post-traumatic osteoarthritis (PTOA). Failure to diagnose the onset of the disease at an early stage makes the cure ineffective for PTOA. This study investigated the consequences of a mechanical injury to the knee in a rabbit model using microscopic magnetic resonance imaging (µMRI) at high resolution. MATERIALS AND METHODS A mechanical injury was induced to the knee joints of 12 rabbits. Cartilage blocks were extracted from the non-impacted and impacted knee joints after 2 and 14 weeks post-impact. The specimens were studied using µMRI T2 relaxation and inductively coupled plasma analysis to determine the early degradation of the articular cartilage. RESULTS The data established a connection between T2 relaxation time and the early progression of knee PTOA after an impact injury. T2 values were found to be higher in the impacted cartilage at both 2 and 14 weeks, in particular, T2-55° values in the impacted samples displayed a significant rise of 6.93% after 2 weeks and 20.02% after 14 weeks. Lower glycosaminoglycan measurement and higher water content in the impacted cartilage confirmed the µMRI results. CONCLUSIONS This µMRI T2 study was able to detect cartilage damage in the impacted knees. In addition, greater degradation in the affected knees at 14 weeks than at 2 weeks indicated the progressive nature of cartilage deterioration over time. The µMRI results were in accord with the biochemical analysis, indicating the detection of early structural damage in the cartilage.
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Affiliation(s)
- Amanveer Singh
- Department of Physics and Center for Biomedical Research, Oakland University, Rochester, MI 48309
| | - Hannah Mantebea
- Department of Physics and Center for Biomedical Research, Oakland University, Rochester, MI 48309
| | - Farid Badar
- Department of Physics and Center for Biomedical Research, Oakland University, Rochester, MI 48309
| | - Syeda Batool
- Department of Physics and Center for Biomedical Research, Oakland University, Rochester, MI 48309
| | | | - Talia Sebastian
- Department of Chemistry, Oakland University, Rochester, MI 48309
| | - Michael Newton
- Beaumont Hospital, Royal Oak, MI 48073
- Department of Orthopedic Surgery, University of Michigan, Ann Arbor, MI 48109
| | - Kevin Baker
- Beaumont Hospital, Royal Oak, MI 48073
- Henry Ford Hospital, Detroit, MI 48202
| | - Sarah Salem
- Department of Physics and Center for Biomedical Research, Oakland University, Rochester, MI 48309
| | - Yang Xia
- Department of Physics and Center for Biomedical Research, Oakland University, Rochester, MI 48309
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12
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Mahendrakar P, Kumar D, Patil U. Comprehensive Study on Scoring and Grading Systems for Predicting the Severity of Knee Osteoarthritis. Curr Rheumatol Rev 2024; 20:133-156. [PMID: 37828677 DOI: 10.2174/0115733971253574231002074759] [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: 04/10/2023] [Revised: 07/03/2023] [Accepted: 08/04/2023] [Indexed: 10/14/2023]
Abstract
Knee Osteoarthritis (KOA) is a degenerative joint ailment characterized by cartilage loss, which can be seen using imaging modalities and converted into imaging features. The older population is the most affected by knee OA, which affects 16% of people worldwide who are 15 years of age and older. Due to cartilage tissue degradation, primary knee OA develops in older people. In contrast, joint overuse or trauma in younger people can cause secondary knee OA. Early identification of knee OA, according to research, may be a successful management tactic for the condition. Scoring scales and grading systems are important tools for the management of knee osteoarthritis as they allow clinicians to measure the progression of the disease's severity and provide suggestions on suitable treatment at identified stages. The comprehensive study reviews various subjective and objective knee evaluation scoring systems that effectively score and grade the KOA based on where defects or changes in articular cartilage occur. Recent studies reveal that AI-based approaches, such as that of DenseNet, integrating the concept of deep learning for scoring and grading the KOA, outperform various state-of-the-art methods in order to predict the KOA at an early stage.
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Affiliation(s)
- Pavan Mahendrakar
- Department of Computer Science and Engineering, B.L.D.E.A's V.P.Dr.P.G. Halakatti College of Engineering and Technology, Vijayapur, Karnataka, India
| | - Dileep Kumar
- Department of Computer Science and Engineering, Scientific Collaborations for Developing Markets United Imaging Healthcare, Shanghai, China
| | - Uttam Patil
- Jain College of Engineering, T.S Nagar, Hunchanhatti Road, Machhe, Belagavi, Karnataka, India
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13
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Watkins LE, Goyal A, Gatti AA, Kogan F. Imaging of joint response to exercise with MRI and PET. Skeletal Radiol 2023; 52:2159-2183. [PMID: 36646851 PMCID: PMC10350475 DOI: 10.1007/s00256-022-04271-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 01/18/2023]
Abstract
Imaging of the joint in response to loading stress may provide additional measures of joint structure and function beyond conventional, static imaging studies. Exercise such as running, stair climbing, and squatting allows evaluation of the joint response to larger loading forces than during weight bearing. Quantitative MRI (qMRI) may assess properties of cartilage and meniscus hydration and organization in vivo that have been investigated to assess the functional response of these tissues to physiological stress. [18F]sodium fluoride ([18F]NaF) interrogates areas of newly mineralizing bone and provides an opportunity to study bone physiology, including perfusion and mineralization rate, as a measure of joint loading stress. In this review article, methods utilizing quantitative MRI, PET, and hybrid PET-MRI systems for assessment of the joint response to loading from exercise in vivo are examined. Both methodology and results of various studies performed are outlined and discussed. Lastly, the technical considerations, challenges, and future opportunities for these approaches are addressed.
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Affiliation(s)
| | - Ananya Goyal
- Department of Radiology, Stanford University, 1201 Welch Rd, Stanford, CA, 94305, USA
| | - Anthony A Gatti
- Department of Radiology, Stanford University, 1201 Welch Rd, Stanford, CA, 94305, USA
| | - Feliks Kogan
- Department of Radiology, Stanford University, 1201 Welch Rd, Stanford, CA, 94305, USA.
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14
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Küpper JC, Kline A, Felfeliyan B, Jaremko J, Ronsky JL. Comparison of Dynamic Knee Contact Mechanics with T 2 Imaging in Different Ages of Healthy Participants. Ann Biomed Eng 2023; 51:2465-2478. [PMID: 37340276 DOI: 10.1007/s10439-023-03277-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 06/07/2023] [Indexed: 06/22/2023]
Abstract
Aging is a known risk factor for Osteoarthritis (OA), however, relations between cartilage composition and aging remain largely unknown in understanding human OA. T2 imaging provides an approach to assess cartilage composition. Whether these T2 relaxation times in the joint contact region change with time during gait remain unexplored. The study purpose was to demonstrate a methodology for linking dynamic joint contact mechanics to cartilage composition as measured by T2 relaxometry. T2 relaxation times for unloaded cartilage were measured in a 3T General Electric magnetic resonance (MR) scanner in this preliminary study. High-speed biplanar video-radiography (HSBV) was captured for five 20-30-year-old and five 50-60-year-old participants with asymptomatic knees. By mapping the T2 cartilages to the dynamic contact regions, T2 values were averaged over the contact area at each measurement within the gait cycle. T2 values demonstrated a functional relationship across the gait cycle. There were no statistically significant differences between 20- and 30-year-old and 50-60-year-old participant T2 values at first force peak of the gait cycle in the medial femur (p = 1.00, U = 12) or in the medial tibia (p = 0.31, U = 7). In the medial and lateral femur in swing phase, the joint moved from a region of high T2 values at 75% of gait to a minimum at 85-95% of swing. The lateral femur and tibia demonstrated similar patterns to the medial compartments but were less pronounced. This research advances understanding of the linkage between cartilage contact and cartilage composition. The change from a high T2 value at ~ 75% of gait to a lower value near the initiation of terminal swing (90% gait) indicates that there are changes to T2 averages corresponding to changes in the contact region across the gait cycle. No differences were found between age groups for healthy participants. These preliminary findings provide interesting insights into the cartilage composition corresponding to dynamic cyclic motion and inform mechanisms of osteoarthritis.
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Affiliation(s)
- Jessica Christine Küpper
- Department of Mechanical and Manufacturing Engineering, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1N4, Canada.
- McCaig Institute for Bone and Joint Health, University of Calgary, 3280 Hospital Drive NW, Calgary, AB, T2N 4Z6, Canada.
| | - Adrienne Kline
- McCaig Institute for Bone and Joint Health, University of Calgary, 3280 Hospital Drive NW, Calgary, AB, T2N 4Z6, Canada
- Department of Biomedical Engineering, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1N4, Canada
| | - Banafshe Felfeliyan
- McCaig Institute for Bone and Joint Health, University of Calgary, 3280 Hospital Drive NW, Calgary, AB, T2N 4Z6, Canada
- Department of Biomedical Engineering, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1N4, Canada
| | - Jacob Jaremko
- Department of Radiology & Diagnostic Imaging, Faculty of Medicine, University of Alberta, Walter C MacKenzie Health Sciences Centre, 8440 112 Street NW, Edmonton, AB, T6G 2B7, Canada
| | - Janet L Ronsky
- Department of Mechanical and Manufacturing Engineering, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1N4, Canada
- McCaig Institute for Bone and Joint Health, University of Calgary, 3280 Hospital Drive NW, Calgary, AB, T2N 4Z6, Canada
- Department of Biomedical Engineering, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1N4, Canada
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15
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Roth C, Hirsch FW, Sorge I, Kiess W, Jurkutat A, Witt M, Böker E, Gräfe D. Preclinical Cartilage Changes of the Knee Joint in Adolescent Competitive Volleyball Players: A Prospective T2 Mapping Study. ROFO-FORTSCHR RONTG 2023; 195:913-923. [PMID: 37224866 DOI: 10.1055/a-2081-3245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
PURPOSE To investigate the potential effects of volleyball as a competitive sport in adolescence on the cartilage of knee joints using T2 mapping in MRI and identification of preclinical cartilage changes. Volleyball as an impact sport often leads to damage of the knee joint cartilage in adulthood. As T2 mapping is widely available and highly capable of detecting cartilage changes prior to conventional MRI sequences, such a detection may allow adolescent volleyball players to change their training regime before structural damage can occur to the cartilage and pose the risk of osteoarthritis. MATERIALS AND METHODS Comparative study of the patellar, femoral, and tibial cartilage of 60 knee joints using T2 mapping on 3 T MRI. In each case, both knees of 15 adolescent competitive volleyball athletes were compared with 15 controls. RESULTS In the group of competitive athletes, more focal cartilage changes were detected in the medial facet of the patellofemoral cartilage and in the medial femoral condyle of the knee joint cartilage (p = .01 and p <.05, respectively). Furthermore, the latter showed a diffused increase in maximal T2 mapping values (p <.04 right and p = .05 left). The distribution of changes seems to further depend on the player's position. CONCLUSION In adolescent volleyball players in competitive sports, T2 mapping demonstrates early cartilage changes in both the patellofemoral and medial femoral cartilages. The distribution of lesions depends on the player's position. Since the cascade from T2 relaxation time increase to conspicuous cartilage damage is well established, early counter-regulation (e. g., adapted training profile, targeted physiotherapy, and appropriate muscle building training) has the potential to prevent later damage. KEY POINTS · Volleyball as a competitive sport in adolescence leads to preclinical knee cartilage changes.. · Cartilage changes are both focal and diffuse.. · Jumping-intensive player positions seem to show more patellofemoral and running-intensive more condylar cartilage changes.. · Early detection of these changes could prevent progression to cartilage damage through adapted training.. CITATION FORMAT · Roth C, Hirsch F, Sorge I et al. Preclinical Cartilage Changes of the Knee Joint in Adolescent Competitive Volleyball Players: A Prospective T2 Mapping Study. Fortschr Röntgenstr 2023; 195: 913 - 923.
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Affiliation(s)
- Christian Roth
- Department of Pediatric Radiology, University Hospital Leipzig, Germany
| | | | - Ina Sorge
- Department of Pediatric Radiology, University Hospital Leipzig, Germany
| | - Wieland Kiess
- Department of Pediatrics, Leipzig University Hospital for Children and Adolescents, Leipzig, Germany
| | - Anne Jurkutat
- Department of Pediatrics, Leipzig University Hospital for Children and Adolescents, Leipzig, Germany
| | - Maren Witt
- Sports Biomechanics, Leipzig University Faculty of Sport Science, Leipzig, Germany
| | - Eva Böker
- Sports Biomechanics, Leipzig University Faculty of Sport Science, Leipzig, Germany
| | - Daniel Gräfe
- Department of Pediatric Radiology, University Hospital Leipzig, Germany
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16
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Eckstein F, Maschek S, Culvenor A, Sharma L, Roemer F, Duda G, Wirth W. Which risk factors determine cartilage thickness and composition change in radiographically normal knees? - Data from the Osteoarthritis Initiative. OSTEOARTHRITIS AND CARTILAGE OPEN 2023; 5:100365. [PMID: 37207279 PMCID: PMC10188628 DOI: 10.1016/j.ocarto.2023.100365] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 04/24/2023] [Indexed: 05/21/2023] Open
Abstract
Objective Therapy for osteoarthritis ideally aims at preserving structure before radiographic change occurs. This study tests: a) whether longitudinal deterioration in cartilage thickness and composition (transverse relaxation-time T2) are greater in radiographically normal knees "at risk" of incident osteoarthritis than in those without risk factors; and b) which risk factors may be associated with these deteriorations. Design 755 knees from the Osteoarthritis Initiative were studied; all were bilaterally Kellgren Lawrence grade [KLG] 0 initially, and had magnetic resonance images available at 12- and 48-month follow-up. 678 knees were "at risk", whereas 77 were not (i.e., non-exposed reference). Cartilage thickness and composition change was determined in 16 femorotibial subregions, with deep and superficial T2 being analyzed in a subset (n = 59/52). Subregion values were used to compute location-independent change scores. Results In KLG0 knees "at risk", the femorotibial cartilage thinning score (-634 ± 516 μm) over 3 years exceeded the thickening score by approximately 20%, and was 27% greater (p < 0.01; Cohen D -0.27) than the thinning score in "non-exposed" knees (-501 ± 319 μm). Superficial and deep cartilage T2 change, however, did not differ significantly between both groups (p ≥ 0.38). Age, sex, body mass index, knee trauma/surgery history, family history of joint replacement, presence of Heberden's nodes, repetitive knee bending were not significantly associated with cartilage thinning (r2<1%), with only knee pain reaching statistical significance. Conclusions Knees "at risk" of incident knee OA displayed greater cartilage thinning scores than those "non-exposed". Except for knee pain, the greater cartilage loss was not significantly associated with demographic or clinical risk factors.
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Affiliation(s)
- F. Eckstein
- Department of Imaging and Functional Musculoskeletal Research, Institute of Anatomy and Cell Biology & Ludwig Boltzmann Intitute of Arthritis & Rehabilitation (LBIAR), Paracelsus Medical University Salzburg & Nuremberg, Salzburg, Austria
- Chondrometrics GmbH, Ainring, Germany
- Corresponding author. Institute of Anatomy & Cell Biology, Paracelsus Medical University, Strubergasse 21, A-5020 Salzburg, Austria.
| | - S. Maschek
- Department of Imaging and Functional Musculoskeletal Research, Institute of Anatomy and Cell Biology & Ludwig Boltzmann Intitute of Arthritis & Rehabilitation (LBIAR), Paracelsus Medical University Salzburg & Nuremberg, Salzburg, Austria
- Chondrometrics GmbH, Ainring, Germany
| | - A. Culvenor
- Department of Imaging and Functional Musculoskeletal Research, Institute of Anatomy and Cell Biology & Ludwig Boltzmann Intitute of Arthritis & Rehabilitation (LBIAR), Paracelsus Medical University Salzburg & Nuremberg, Salzburg, Austria
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health La Trobe University, Bundoora, Australia
| | - L. Sharma
- Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago IL, USA
| | - F.W. Roemer
- Department of Radiology, Friedrich-Alexander University Erlangen-Nürnberg & Universitätsklinikum Erlangen, Erlangen, Germany
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
| | - G.N. Duda
- Julius Wolff Institute, Berlin-Brandenburg Institute of Health at Charité – Universitätsmedizin Berlin, Germany
| | - W. Wirth
- Department of Imaging and Functional Musculoskeletal Research, Institute of Anatomy and Cell Biology & Ludwig Boltzmann Intitute of Arthritis & Rehabilitation (LBIAR), Paracelsus Medical University Salzburg & Nuremberg, Salzburg, Austria
- Chondrometrics GmbH, Ainring, Germany
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Stein P, Wuennemann F, Schneider T, Zeifang F, Burkholder I, Weber MA, Kauczor HU, Rehnitz C. Detection and Quantitative Assessment of Arthroscopically Proven Long Biceps Tendon Pathologies Using T2 Mapping. Tomography 2023; 9:1577-1591. [PMID: 37736979 PMCID: PMC10514832 DOI: 10.3390/tomography9050126] [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: 07/04/2023] [Revised: 08/18/2023] [Accepted: 08/21/2023] [Indexed: 09/23/2023] Open
Abstract
This study evaluates how far T2 mapping can identify arthroscopically confirmed pathologies in the long biceps tendon (LBT) and quantify the T2 values in healthy and pathological tendon substance. This study comprised eighteen patients experiencing serious shoulder discomfort, all of whom underwent magnetic resonance imaging, including T2 mapping sequences, followed by shoulder joint arthroscopy. Regions of interest were meticulously positioned on their respective T2 maps, capturing the sulcal portion of the LBT and allowing for the quantification of the average T2 values. Subsequent analyses included the calculation of diagnostic cut-off values, sensitivities, and specificities for the detection of tendon pathologies, and the calculation of inter-reader correlation coefficients (ICCs) involving two independent radiologists. The average T2 value for healthy subjects was measured at 23.3 ± 4.6 ms, while patients with tendinopathy displayed a markedly higher value, at 47.9 ± 7.8 ms. Of note, the maximum T2 value identified in healthy tendons (29.6 ms) proved to be lower than the minimal value measured in pathological tendons (33.8 ms), resulting in a sensitivity and specificity of 100% (95% confidence interval 63.1-100) across all cut-off values ranging from 29.6 to 33.8 ms. The ICCs were found to range from 0.93 to 0.99. In conclusion, T2 mapping is able to assess and quantify healthy LBTs and can distinguish them from tendon pathology. T2 mapping may provide information on the (ultra-)structural integrity of tendinous tissue, facilitating early diagnosis, prompt therapeutic intervention, and quantitative monitoring after conservative or surgical treatments of LBT.
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Affiliation(s)
- Patrick Stein
- Diagnostic and Interventional Radiology, University Hospital Heidelberg, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
| | - Felix Wuennemann
- Diagnostic and Interventional Radiology, University Hospital Heidelberg, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
- Institute of Diagnostic and Interventional Radiology & Neuroradiology, Helios Dr. Horst Schmidt Clinics Wiesbaden, Ludwig-Erhard-Straße 100, 65199 Wiesbaden, Germany
| | - Thomas Schneider
- Diagnostic and Interventional Radiology, University Hospital Heidelberg, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
| | - Felix Zeifang
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, University Hospital Heidelberg, Schlierbacher Landstraße 200A, 69118 Heidelberg, Germany
- Ethianum Clinic Heidelberg, Voßstraße 6, 69115 Heidelberg, Germany
| | - Iris Burkholder
- Department of Nursing and Health, University of Applied Sciences of the Saarland, 66117 Saarbruecken, Germany
| | - Marc-André Weber
- Institute of Diagnostic and Interventional Radiology, Pediatric Radiology and Neuroradiology, University Medical Center Rostock, Ernst-Heydemann-Straße 6, 18057 Rostock, Germany
| | - Hans-Ulrich Kauczor
- Diagnostic and Interventional Radiology, University Hospital Heidelberg, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
| | - Christoph Rehnitz
- Diagnostic and Interventional Radiology, University Hospital Heidelberg, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
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18
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Brakel BA, Sussman MS, Majeed H, Teitel J, Man C, Rayner T, Weiss R, Moineddin R, Blanchette V, Doria AS. T2 mapping magnetic resonance imaging of cartilage in hemophilia. Res Pract Thromb Haemost 2023; 7:102182. [PMID: 37767061 PMCID: PMC10520564 DOI: 10.1016/j.rpth.2023.102182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 06/16/2023] [Accepted: 06/17/2023] [Indexed: 09/29/2023] Open
Abstract
Background In hemophilia, recurrent hemarthrosis may lead to irreversible arthropathy. T2 mapping MRI may reflect cartilage changes at an earlier reversible stage of arthropathy as opposed to structural MRI. Objectives To evaluate interval changes of T2 mapping compared with the International Prophylaxis Study Group (IPSG) structural MRI scores of ankle cartilage in boys with hemophilia receiving prophylaxis. Methods Eight boys with hemophilia A (median age, 13; range, 9-17 years), 7 age- and sex-matched healthy boys (controls, median age, 15; range, 7-16 years). A multiecho spin-echo T2-weighted MRI sequence at 3.0T was used to obtain T2 maps of cartilage of boys with hemophilia and controls. Structural joint status was evaluated using the IPSG MRI score. Results T2 relaxation times of ankle cartilage increased significantly over time in both persons with hemophilia and controls (P = .002 and P = .00009, respectively). Changes in T2 relaxation time strongly correlated with changes in IPSG cartilage scores (rs = 0.93 to rs = 0.78 [P = .0007 to P = .023]), but not with changes in age (P = .304 to P = .840). Responsiveness of T2 relaxation times were higher than that of IPSG cartilage scores, with standardized response means >1.4 for T2 mapping in all regions-of-interest compared with 0.84 for IPSG cartilage scores. Baseline T2 relaxation time strongly correlated with timepoint 2 IPSG cartilage score (rs = 0.93 to rs = 0.82 [P = .001 to P = .012]) and T2 relaxation time (rs = 0.98 to rs = 0.88 [P = .00003 to P = .004]) changes in most regions-of-interest. Conclusion T2 mapping shows sensitivity to biochemical changes in cartilage prior to detectable damage using conventional MRI, offering potential for early detection of bleed-related cartilage damage in boys with hemophilia.
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Affiliation(s)
- Benjamin A. Brakel
- Department of Diagnostic Imaging, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Marshall S. Sussman
- Department of Medical Imaging, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Haris Majeed
- Department of Diagnostic Imaging, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
- Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
| | - Jerry Teitel
- Division of Hematology/Oncology, St Michael’s Hospital, Toronto, ON, Canada
| | - Carina Man
- Department of Diagnostic Imaging, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Tammy Rayner
- Department of Diagnostic Imaging, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Ruth Weiss
- Department of Diagnostic Imaging, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Rahim Moineddin
- Division of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Victor Blanchette
- Department of Pediatrics, University of Toronto, Toronto, ON, Canada
- Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada
| | - Andrea S. Doria
- Department of Diagnostic Imaging, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
- Department of Medical Imaging, University Health Network, University of Toronto, Toronto, Ontario, Canada
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Kijowski R, Sharafi A, Zibetti MV, Chang G, Cloos MA, Regatte RR. Age-Dependent Changes in Knee Cartilage T 1 , T 2 , and T 1p Simultaneously Measured Using MRI Fingerprinting. J Magn Reson Imaging 2023; 57:1805-1812. [PMID: 36190187 PMCID: PMC10067532 DOI: 10.1002/jmri.28451] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 09/13/2022] [Accepted: 09/15/2022] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND Magnetic resonance fingerprinting (MRF) techniques have been recently described for simultaneous multiparameter cartilage mapping of the knee although investigation of their ability to detect early cartilage degeneration remains limited. PURPOSE To investigate age-dependent changes in knee cartilage T1 , T2 , and T1p relaxation times measured using a three-dimensional (3D) MRF sequence in healthy volunteers. STUDY TYPE Prospective. SUBJECTS The study group consisted of 24 healthy asymptomatic human volunteers (15 males with mean age 34.9 ± 14.4 years and 9 females with mean age 44.5 ± 13.1 years). FIELD STRENGTH/SEQUENCE A 3.0 T gradient-echo-based 3D-MRF sequence was used to simultaneously create proton density-weighted images and T1 , T2 , and T1p maps of knee cartilage. ASSESSMENT Mean global cartilage and regional cartilage (lateral femur, lateral tibia, medial femur, medial tibia, and patella) T1 , T2 , and T1ρ relaxation times of the knee were measured. STATISTICAL TESTS Kruskal-Wallis tests were used to compared cartilage T1 , T2 , and T1ρ relaxation times between different age groups, while Spearman correlation coefficients was used to determine the association between age and cartilage T1 , T2 , and T1ρ relaxation times. The value of P < 0.05 was considered statistically significant. RESULTS Higher age groups showed higher global and regional cartilage T1 , T2 , and T1ρ . There was a significant difference between age groups in global cartilage T2 and T1ρ but no significant difference (P = 0.13) in global cartilage T1. Significant difference was also present between age groups in cartilage T2 and T1ρ for medial femur cartilage and medial tibia cartilage. There were significant moderate correlations between age and T2 and T1ρ for global cartilage (R2 = 0.63-0.64), medial femur cartilage (R2 = 0.50-0.56), and medial tibia cartilage (R2 = 0.54-0.66). CONCLUSION Cartilage T2 and T1p relaxation times simultaneously measured using a 3D-MRF sequence in healthy volunteers showed age-dependent changes in knee cartilage, primarily within the medial compartment.
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Affiliation(s)
- Richard Kijowski
- Bernard and Irene Schwartz Center of Biomedical Imaging, Department of Radiology, New York University Grossman School of Medicine, New York, NY, 10016, USA
| | - Azadeh Sharafi
- Bernard and Irene Schwartz Center of Biomedical Imaging, Department of Radiology, New York University Grossman School of Medicine, New York, NY, 10016, USA
| | - Marcelo V.W. Zibetti
- Bernard and Irene Schwartz Center of Biomedical Imaging, Department of Radiology, New York University Grossman School of Medicine, New York, NY, 10016, USA
| | - Gregory Chang
- Bernard and Irene Schwartz Center of Biomedical Imaging, Department of Radiology, New York University Grossman School of Medicine, New York, NY, 10016, USA
| | - Martijn A. Cloos
- Center of Advanced Imaging, University of Queensland, Brisbane, QLD, Australia
- ARC Training Center for Innovation in Biomedical Imaging Technology, University of Queensland, Brisbane, QLD, Australia
| | - Ravinder R. Regatte
- Bernard and Irene Schwartz Center of Biomedical Imaging, Department of Radiology, New York University Grossman School of Medicine, New York, NY, 10016, USA
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20
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Frenken M, Radke KL, Schäfer ELE, Valentin B, Wilms LM, Abrar DB, Nebelung S, Martirosian P, Wittsack HJ, Müller-Lutz A. Insights into the Age Dependency of Compositional MR Biomarkers Quantifying the Health Status of Cartilage in Metacarpophalangeal Joints. Diagnostics (Basel) 2023; 13:diagnostics13101746. [PMID: 37238230 DOI: 10.3390/diagnostics13101746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 05/10/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
(1) Background: We aim to investigate age-related changes in cartilage structure and composition in the metacarpophalangeal (MCP) joints using magnetic resonance (MR) biomarkers. (2) Methods: The cartilage tissue of 90 MCP joints from 30 volunteers without any signs of destruction or inflammation was examined using T1, T2, and T1ρ compositional MR imaging techniques on a 3 Tesla clinical scanner and correlated with age. (3) Results: The T1ρ and T2 relaxation times showed a significant correlation with age (T1ρ: Kendall-τ-b = 0.3, p < 0.001; T2: Kendall-τ-b = 0.2, p = 0.01). No significant correlation was observed for T1 as a function of age (T1: Kendall-τ-b = 0.12, p = 0.13). (4) Conclusions: Our data show an increase in T1ρ and T2 relaxation times with age. We hypothesize that this increase is due to age-related changes in cartilage structure and composition. In future examinations of cartilage using compositional MRI, especially T1ρ and T2 techniques, e.g., in patients with osteoarthritis or rheumatoid arthritis, the age of the patients should be taken into account.
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Affiliation(s)
- Miriam Frenken
- Department of Diagnostic and Interventional Radiology, Medical Faculty, University Hospital of Dusseldorf, D-40225 Dusseldorf, Germany
| | - Karl Ludger Radke
- Department of Diagnostic and Interventional Radiology, Medical Faculty, University Hospital of Dusseldorf, D-40225 Dusseldorf, Germany
| | - Emilia Louisa Ernestine Schäfer
- Department of Diagnostic and Interventional Radiology, Medical Faculty, University Hospital of Dusseldorf, D-40225 Dusseldorf, Germany
| | - Birte Valentin
- Department of Diagnostic and Interventional Radiology, Medical Faculty, University Hospital of Dusseldorf, D-40225 Dusseldorf, Germany
| | - Lena Marie Wilms
- Department of Diagnostic and Interventional Radiology, Medical Faculty, University Hospital of Dusseldorf, D-40225 Dusseldorf, Germany
- Department of Orthopedics and Trauma Surgery, Medical Faculty, University Hospital of Dusseldorf, D-40225 Dusseldorf, Germany
| | - Daniel Benjamin Abrar
- Department of Diagnostic and Interventional Radiology, Medical Faculty, University Hospital of Dusseldorf, D-40225 Dusseldorf, Germany
| | - Sven Nebelung
- Department of Diagnostic and Interventional Radiology, Medical Faculty, University Hospital of Dusseldorf, D-40225 Dusseldorf, Germany
- Department of Diagnostic and Interventional Radiology, University Hospital Aachen, D-52074 Aachen, Germany
| | - Petros Martirosian
- Department of Diagnostic and Interventional Radiology, Medical Faculty, University Hospital of Tübingen, D-72076 Tübingen, Germany
| | - Hans-Jörg Wittsack
- Department of Diagnostic and Interventional Radiology, Medical Faculty, University Hospital of Dusseldorf, D-40225 Dusseldorf, Germany
| | - Anja Müller-Lutz
- Department of Diagnostic and Interventional Radiology, Medical Faculty, University Hospital of Dusseldorf, D-40225 Dusseldorf, Germany
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21
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Stein P, Wuennemann F, Schneider T, Zeifang F, Burkholder I, Weber MA, Kauczor HU, Rehnitz C. 3-Tesla T2 Mapping Magnetic Resonance Imaging for Evaluation of SLAP Lesions in Patients with Shoulder Pain: An Arthroscopy-Controlled Study. J Clin Med 2023; 12:jcm12093109. [PMID: 37176550 PMCID: PMC10179291 DOI: 10.3390/jcm12093109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 04/20/2023] [Accepted: 04/23/2023] [Indexed: 05/15/2023] Open
Abstract
This study investigated the ability of T2 mapping to assess the glenoid labrum and to differentiate between healthy labral substances and superior labral anterior posterior (SLAP) lesions using arthroscopy as the gold standard. Eighteen patients (mean age: 52.4 ± 14.72 years, 12 men) with shoulder pain were examined using 3-Tesla T2 mapping. All the patients underwent shoulder arthroscopy. Using morphological sequences for correlation, regions of interest covering the entire labral substance were placed in the corresponding T2 maps. The diagnostic cutoff values, sensitivities, and specificities, as well as the inter-reader correlation coefficients (ICCs) determined by two independent radiologists, were calculated. The mean T2 value was 20.8 ± 2.4 ms for the healthy labral substances and 37.7 ± 10.63 ms in the patients with SLAP lesions. The maximum T2 value in normal labrum (21.2 ms) was lower than the minimum T2 value in the patients with SLAP lesions (27.8 ms), leading to sensitivities, specificities, and positive and negative predictive values of 100% (95% CI 54.1-100.0) for all the cutoff values between 21.2 and 27.8 ms. The ICCs ranged from 0.91 to 0.99. In summary, the data suggest that evaluation and quantification of the labral (ultra)structural integrity using T2 mapping may allow discrimination between arthroscopically confirmed SLAP lesions and a healthy glenoid labrum. T2 mapping may therefore be helpful in diagnosing patients with suspected labral damage.
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Affiliation(s)
- Patrick Stein
- Diagnostic and Interventional Radiology, University Hospital Heidelberg, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
| | - Felix Wuennemann
- Diagnostic and Interventional Radiology, University Hospital Heidelberg, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
- Institute of Diagnostic and Interventional Radiology & Neuroradiology, Helios Dr. Horst Schmidt Clinics Wiesbaden, Ludwig-Erhard-Straße 100, 65199 Wiesbaden, Germany
| | - Thomas Schneider
- Diagnostic and Interventional Radiology, University Hospital Heidelberg, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
| | - Felix Zeifang
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, University Hospital Heidelberg, Schlierbacher Landstraße 200A, 69118 Heidelberg, Germany
- Ethianum Clinic Heidelberg, Voßstraße 6, 69115 Heidelberg, Germany
| | - Iris Burkholder
- Department of Nursing and Health, University of Applied Sciences of the Saarland, 66117 Saarbruecken, Germany
| | - Marc-André Weber
- Institute of Diagnostic and Interventional Radiology, Pediatric Radiology and Neuroradiology, University Medical Center Rostock, Ernst-Heydemann-Straße 6, 18057 Rostock, Germany
| | - Hans-Ulrich Kauczor
- Diagnostic and Interventional Radiology, University Hospital Heidelberg, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
| | - Christoph Rehnitz
- Diagnostic and Interventional Radiology, University Hospital Heidelberg, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
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22
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Poulsen RC, Jain L, Dalbeth N. Re-thinking osteoarthritis pathogenesis: what can we learn (and what do we need to unlearn) from mouse models about the mechanisms involved in disease development. Arthritis Res Ther 2023; 25:59. [PMID: 37046337 PMCID: PMC10100340 DOI: 10.1186/s13075-023-03042-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 03/29/2023] [Indexed: 04/14/2023] Open
Abstract
Efforts to develop effective disease-modifying drugs to treat osteoarthritis have so far proved unsuccessful with a number of promising drug candidates from pre-clinical studies failing to show efficacy in clinical trials. It is therefore timely to re-evaluate our current understanding of osteoarthritis pathogenesis and the similarities and differences in disease development between commonly used pre-clinical mouse models and human patients. There is substantial heterogeneity between patients presenting with osteoarthritis and mounting evidence that the pathways involved in osteoarthritis (e.g. Wnt signalling) differ between patient sub-groups. There is also emerging evidence that the pathways involved in osteoarthritis differ between the STR/ort mouse model (the most extensively studied mouse model of spontaneously occurring osteoarthritis) and injury-induced osteoarthritis mouse models. For instance, while canonical Wnt signalling is upregulated in the synovium and cartilage at an early stage of disease in injury-induced osteoarthritis mouse models, this does not appear to be the case in the STR/ort mouse. Such findings may prove insightful for understanding the heterogeneity in mechanisms involved in osteoarthritis pathogenesis in human disease. However, it is important to recognise that there are differences between mice and humans in osteoarthritis pathogenesis. A much more extensive array of pathological changes are evident in osteoarthritic joints in individual mice with osteoarthritis compared to individual patients. There are also specified differences in the pathways involved in disease development. For instance, although increased TGF-β signalling is implicated in osteoarthritis development in both mouse models of osteoarthritis and human disease, in mice, this is mainly mediated through TGF-β3 whereas in humans, it is through TGF-β1. Studies in other tissues have shown TGF-β1 is more potent than TGF-β3 in inducing the switch to SMAD1/5 signalling that occurs in osteoarthritic cartilage and that TGF-β1 and TGF-β3 have opposing effects on fibrosis. It is therefore possible that the relative contribution of TGF-β signalling to joint pathology in osteoarthritis differs between murine models and humans. Understanding the similarities and differences in osteoarthritis pathogenesis between mouse models and humans is critical for understanding the translational potential of findings from pre-clinical studies.
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Affiliation(s)
- Raewyn C Poulsen
- Department of Pharmacology & Clinical Pharmacology, Faculty of Medical & Health Sciences, University of Auckland, 85 Park Rd, Grafton, Auckland, 1023, New Zealand.
| | - Lekha Jain
- Department of Pharmacology & Clinical Pharmacology, Faculty of Medical & Health Sciences, University of Auckland, 85 Park Rd, Grafton, Auckland, 1023, New Zealand
| | - Nicola Dalbeth
- Department of Medicine, Faculty of Medical & Health Sciences, University of Auckland, Auckland, New Zealand
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23
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Nazarov DA, Denisenko GM, Budylin GS, Kozlova EA, Lipina MM, Lazarev VA, Shirshin EA, Tarabrin MK. Diffuse reflectance spectroscopy of the cartilage tissue in the fourth optical window. BIOMEDICAL OPTICS EXPRESS 2023; 14:1509-1521. [PMID: 37078039 PMCID: PMC10110295 DOI: 10.1364/boe.483135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/08/2023] [Accepted: 02/27/2023] [Indexed: 05/03/2023]
Abstract
Studies of the optical properties of biological tissues in the infrared range have demonstrated significant potential for diagnostic tasks. One of the insufficiently explored ranges for diagnostic problems at the moment is the fourth transparency window, or short wavelength infrared region II (SWIR II). A Cr2+:ZnSe laser with tuning capability in the range from 2.1 to 2.4 µm was developed to explore the possibilities in this region. The capability of diffuse reflectance spectroscopy to analyze water and collagen content in biosamples was investigated using the optical gelatin phantoms and the cartilage tissue samples during their drying process. It was demonstrated that decomposition components of the optical density spectra correlated with the partial content of the collagen and water in the samples. The present study indicates the possibility of using this spectral range for the development of diagnostic methods, in particular, for observation of the changes in the content of cartilage tissue components in degenerative diseases such as osteoarthritis.
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Affiliation(s)
| | - Georgy M. Denisenko
- Bauman Moscow State Technical University, Moscow, 105005, Russia
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), Moscow 119991, Russia
- Laboratory of Clinical Biophotonics, Biomedical Science and Technology Park, Sechenov First Moscow State Medical University, 119048 Moscow, Russia
| | - Gleb S. Budylin
- Laboratory of Clinical Biophotonics, Biomedical Science and Technology Park, Sechenov First Moscow State Medical University, 119048 Moscow, Russia
| | | | - Marina M. Lipina
- Department of Trauma, Orthopedics and Disaster Surgery, Sechenov First Moscow State Medical University, Moscow 119991, Russia
| | - Vladimir A. Lazarev
- Bauman Moscow State Technical University, Moscow, 105005, Russia
- World-Class Research Center Digital Biodesign and Personalized Healthcare, Sechenov First Moscow State Medical University, 119048 Moscow, Russia
| | - Evgeny A. Shirshin
- Laboratory of Clinical Biophotonics, Biomedical Science and Technology Park, Sechenov First Moscow State Medical University, 119048 Moscow, Russia
- Faculty of Physics, M.V. Lomonosov Moscow State University, Moscow 119991, Russia
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24
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Rovnyagina NR, Budylin GS, Dyakonov PV, Efremov YM, Lipina MM, Goncharuk YR, Murdalov EE, Pogosyan DA, Davydov DA, Korneev AA, Serejnikova NB, Mikaelyan KA, Evlashin SA, Lazarev VA, Lychagin AV, Timashev PS, Shirshin EA. Grading cartilage damage with diffuse reflectance spectroscopy: Optical markers and mechanical properties. JOURNAL OF BIOPHOTONICS 2023; 16:e202200149. [PMID: 36066126 DOI: 10.1002/jbio.202200149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 08/01/2022] [Accepted: 08/29/2022] [Indexed: 06/15/2023]
Abstract
Osteoarthritis (OA) is one of the most common joint diseases worldwide. Unfortunately, clinical methods lack the ability to detect OA in the early stages. Timely detection of the knee joint degradation at the level of tissue changes can prevent its progressive damage. Here, diffuse reflectance spectroscopy (DRS) in the NIR range was used to obtain optical markers of the cartilage damage grades and to assess its mechanical properties. It was observed that the water content obtained by DRS strongly correlates with the cartilage thickness (R = .82) and viscoelastic relaxation time (R = .7). Moreover, the spectral parameters, including water content (OH-band), protein content (CH-band), and scattering parameters allowed for discrimination between the cartilage damage grades (10-4 < P ≤ 10-3 ). The developed approach may become a valuable addition to arthroscopy, helping to identify lesions at the microscopic level in the early stages of OA and complement the surgical analysis.
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Affiliation(s)
- Nataliya R Rovnyagina
- Laboratory of Clinical Biophotonics, Biomedical Science and Technology Park, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Gleb S Budylin
- Laboratory of Clinical Biophotonics, Biomedical Science and Technology Park, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Pavel V Dyakonov
- Laboratory of Clinical Biophotonics, Biomedical Science and Technology Park, Sechenov First Moscow State Medical University, Moscow, Russia
- Center for Materials Technologies, Skolkovo Institute of Science and Technology, Moscow, Russia
| | - Yuri M Efremov
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, Russia
- World-Class Research Center "Digital Biodesign and Personalized Healthcare", Sechenov First Moscow State Medical University, Moscow, Russia
| | - Marina M Lipina
- Department of Trauma, Orthopedics and Disaster Surgery, Sechenov First Moscow State Medical University, Moscow, Russia
- Laboratory of Clinical Smart Nanotechnologies, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Yuliya R Goncharuk
- Department of Trauma, Orthopedics and Disaster Surgery, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Emirkhan E Murdalov
- Department of Trauma, Orthopedics and Disaster Surgery, Sechenov First Moscow State Medical University, Moscow, Russia
| | - David A Pogosyan
- Department of Trauma, Orthopedics and Disaster Surgery, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Denis A Davydov
- Laboratory of Clinical Biophotonics, Biomedical Science and Technology Park, Sechenov First Moscow State Medical University, Moscow, Russia
- Faculty of Physics, M.V. Lomonosov Moscow State University, Moscow, Russia
| | - Alexander A Korneev
- N.V. Sklifosovskiy Institute of Clinical Medicine, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Natalia B Serejnikova
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Karen A Mikaelyan
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Stanislav A Evlashin
- Center for Materials Technologies, Skolkovo Institute of Science and Technology, Moscow, Russia
| | - Vladimir A Lazarev
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, Russia
- Bauman Moscow State Technical University, Moscow, Russia
| | - Alexey V Lychagin
- Department of Trauma, Orthopedics and Disaster Surgery, Sechenov First Moscow State Medical University, Moscow, Russia
- Laboratory of Clinical Smart Nanotechnologies, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Peter S Timashev
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, Russia
- World-Class Research Center "Digital Biodesign and Personalized Healthcare", Sechenov First Moscow State Medical University, Moscow, Russia
- Chemistry Department, Lomonosov Moscow State University, Moscow, Russia
| | - Evgeny A Shirshin
- Laboratory of Clinical Biophotonics, Biomedical Science and Technology Park, Sechenov First Moscow State Medical University, Moscow, Russia
- Faculty of Physics, M.V. Lomonosov Moscow State University, Moscow, Russia
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25
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Arthroscopic surgery for symptomatic discoid lateral meniscus improves meniscal status assessed by magnetic resonance imaging T2 mapping. Arch Orthop Trauma Surg 2023:10.1007/s00402-023-04819-9. [PMID: 36811665 DOI: 10.1007/s00402-023-04819-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 02/13/2023] [Indexed: 02/24/2023]
Abstract
INTRODUCTION Discoid lateral meniscus (DLM) is an anatomic knee variant associated with increased tears and degeneration. This study aimed to quantify meniscal status with magnetic resonance imaging (MRI) T2 mapping before and after arthroscopic reshaping surgery for DLM. MATERIALS AND METHODS We retrospectively reviewed the records of patients undergoing arthroscopic reshaping surgery for symptomatic DLM with ≥ 2-year follow-up. MRI T2 mapping was performed preoperatively and at 12 and 24 months postoperatively. T2 relaxation times of the anterior and posterior horns of both menisci and of the adjacent cartilage were assessed. RESULTS Thirty-six knees from 32 patients were included. The mean age at surgery was 13.7 years (range 7-24), and the mean follow-up duration was 31.0 months. Saucerization alone was performed on five knees and saucerization with repair on 31 knees. Preoperatively, the T2 relaxation time of the anterior horn of the lateral meniscus was significantly longer than that of the medial meniscus (P < 0.01). T2 relaxation time significantly decreased at 12 and 24 months postoperatively (P < 0.01). Assessments of the posterior horn were comparable. The T2 relaxation time was significantly longer in the tear versus non-tear side at each time point (P < 0.01). There were significant correlations between the T2 relaxation time of the meniscus and that of the corresponding area of the lateral femoral condyle cartilage (anterior horn: r = 0.504, P = 0.002; posterior horn: r = 0.365, P = 0.029). CONCLUSIONS The T2 relaxation time of symptomatic DLM was significantly longer than that of the medial meniscus preoperatively, and it decreased 24 months after arthroscopic reshaping surgery. The meniscal T2 relaxation time of the tear side was significantly longer than that of the non-tear side. There were significant correlations between the cartilage and meniscal T2 relaxation times at 24 months after surgery.
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Song K, Pietrosimone B, Blackburn JT, Padua DA, Tennant JN, Wikstrom EA. Mechanical and Sensorimotor Outcomes Associated With Talar Cartilage Deformation After Static Loading in Those With Chronic Ankle Instability. J Athl Train 2023; 58:136-142. [PMID: 35476021 PMCID: PMC10072092 DOI: 10.4085/1062-6050-0520.21] [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] [Indexed: 11/09/2022]
Abstract
CONTEXT Those with chronic ankle instability (CAI) demonstrate deleterious changes in talar cartilage composition, resulting in alterations of talar cartilage loading behavior. Common impairments associated with CAI may play a role in cartilage behavior in response to mechanical loading. OBJECTIVE To identify mechanical and sensorimotor outcomes that are linked with the magnitude of talar cartilage deformation after a static loading protocol in patients with and those without CAI. DESIGN Cross-sectional study. SETTING Laboratory setting. PATIENTS OR OTHER PARTICIPANTS Thirty individuals with CAI and 30 healthy individuals. MAIN OUTCOME MEASURES(S) After a 60-minute off-loading period, ultrasonographic images of the talar cartilage were acquired immediately before and after a 2-minute static loading protocol (single-legged stance). Talar cartilage images were obtained and manually segmented to enable calculation of medial, lateral, and overall average talar thickness. The percentage change, relative to the average baseline thickness, was used for further analysis. Mechanical (ankle joint laxity) and sensorimotor (static balance and Star Excursion Balance Test) outcomes were captured. Partial correlations were computed to determine associations between cartilage deformation magnitude and the mechanical and sensorimotor outcomes after accounting for body weight. RESULTS In the CAI group, greater inversion laxity was associated with greater overall (r = -0.42, P = .03) and medial (r = -0.48, P = .01) talar cartilage deformation after a 2-minute static loading protocol. Similarly, poorer medial-lateral static balance was linked with greater overall (r = 0.47, P = .01) and lateral (r = 0.50, P = .01) talar cartilage deformation. In the control group, shorter posterolateral Star Excursion Balance Test reach distance was associated with greater lateral cartilage deformation (r = 0.42, P = .03). No other significant associations were observed. CONCLUSIONS In those with CAI, inversion laxity and poor static postural control were moderately associated with greater talar cartilage deformation after a 2-minute static loading protocol. These results suggest that targeting mechanical instability and poor balance in those with CAI via intervention strategies may improve how the talar cartilage responds to static loading conditions.
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Affiliation(s)
- Kyeongtak Song
- Department of Physical Education, Yonsei University, Seoul, Republic of Korea
- MOTION Science Institute, Department of Exercise and Sport Science
| | | | | | - Darin A. Padua
- MOTION Science Institute, Department of Exercise and Sport Science
| | - Joshua N. Tennant
- Department of Orthopaedics, University of North Carolina at Chapel Hill
| | - Erik A. Wikstrom
- MOTION Science Institute, Department of Exercise and Sport Science
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27
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Komaki S, Nakagawa S, Arai Y, Inoue A, Kaihara K, Hino M, Kan H, Kenji Takahashi. Cartilage degeneration of patellofemoral joint occurs in open wedge high tibial osteotomy, rather than in hybrid closed wedge high tibial osteotomy, during the early postoperative period: A qualitative analysis using MRI T 2 mapping. J Orthop Surg (Hong Kong) 2023; 31:10225536221151132. [PMID: 36757867 DOI: 10.1177/10225536221151132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/10/2023] Open
Abstract
PURPOSE After high tibial osteotomy, the patella may change position and osteoarthritis of the patellofemoral joint (PFJ) may occur. It was hypothesized that the course of PFJ degeneration would differ between open wedge high tibial osteotomy (OWHTO) and hybrid closed wedge high tibial osteotomy (hybrid HTO). Accordingly, this study aimed to evaluate the qualitative changes in PFJ articular cartilage, during the early postoperative period after OWHTO and hybrid HTO. METHODS This was a retrospective observational study of 75 knees that underwent OWHTO (N = 37) or hybrid HTO (N = 38) for medial knee osteoarthritis. OWHTO and hybrid HTO were indicated for corrections of less than 10° and more than 10°, respectively. MRI of all knees was performed before and 6 months after surgery to evaluate patellar cartilage in sagittal images for T2 mapping. Three regions of interest (medial, middle, and lateral facets) were defined in the articular cartilage, and T2 values were measured. Patellar tilting angle, lateral shift ratio, and patellar height were compared before and after surgery. RESULTS There was no significant change in arthroscopic findings of PFJ articular cartilage between the OWHTO and hybrid HTO groups. In the OWHTO group, the mean T2 value of medial and middle facets increased significantly (lateral, 43.0 ± 3.9 to 43.7 ± 3.5; middle, 44.2 ± 3.9 to 46.2 ± 3.8; medial 41.0 ± 4.3 to 42.4 ± 4.0). Conversely, no significant change was observed in the hybrid HTO group (lateral, 41.1 ± 4.0 to 42.3 ± 4.0; middle, 43.6 ± 4.2 to 44.5 ± 4.3; medial, 40.7 ± 4.1 to 41.5 ± 4.5). Patellar height decreased and increased in the OWHTO and hybrid HTO groups, respectively, and patellar tilt decreased in the OWHTO group. Lateral shift ratio decreased significantly in both groups. CONCLUSIONS OWHTO with a small correction angle may result in qualitative changes in PFJ articular cartilage from an early stage, while hybrid HTO with a relatively large correction angle is unlikely to affect PFJ articular cartilage.
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Affiliation(s)
- Shintaro Komaki
- Department of Orthopaedics, Kyoto Interdisciplinary Institute Hospital of Community Medicine, Kyoto, Japan.,Department of Orthopaedics, Graduate School of Medical Science, 12898Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Shuji Nakagawa
- Department of Sports and Para-Sports Medicine, Graduate School of Medical Science, 12898Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yuji Arai
- Department of Sports and Para-Sports Medicine, Graduate School of Medical Science, 12898Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Atsuo Inoue
- Department of Orthopaedics, Graduate School of Medical Science, 12898Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Kenta Kaihara
- Department of Orthopaedics, Graduate School of Medical Science, 12898Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Manabu Hino
- Department of Orthopaedics, Kyoto Interdisciplinary Institute Hospital of Community Medicine, Kyoto, Japan.,Department of Orthopaedics, Graduate School of Medical Science, 12898Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Hiroyuki Kan
- Department of Orthopaedics, Kyoto Interdisciplinary Institute Hospital of Community Medicine, Kyoto, Japan.,Department of Orthopaedics, Graduate School of Medical Science, 12898Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Kenji Takahashi
- Department of Orthopaedics, Graduate School of Medical Science, 12898Kyoto Prefectural University of Medicine, Kyoto, Japan
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28
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Gao J, Xu X, Yu X, Fu Y, Zhang H, Gu S, Cao D, Guo Q, Xu L, Ding J. Quantitatively relating magnetic resonance T1 and T2 to glycosaminoglycan and collagen concentrations mediated by penetrated contrast agents and biomacromolecule-bound water. Regen Biomater 2023; 10:rbad035. [PMID: 37206162 PMCID: PMC10191676 DOI: 10.1093/rb/rbad035] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 04/03/2023] [Accepted: 04/07/2023] [Indexed: 05/21/2023] Open
Abstract
Magnetic resonance imaging (MRI) is a promising non-invasive method to assess cartilage regeneration based on the quantitative relationship between MRI features and concentrations of the major components in the extracellular matrix (ECM). To this end, in vitro experiments are performed to investigate the relationship and reveal the underlying mechanism. A series of collagen (COL) and glycosaminoglycan (GAG) solutions at different concentrations are prepared, and T1 and T2 relaxation times are measured with or without a contrast agent (Gd-DTPA2-) by MRI. Fourier transform infrared spectrometry is also used to measure the contents of biomacromolecule-bound water and other water, allowing theoretical derivation of the relationship between biomacromolecules and the resulting T2 values. It has been revealed that the MRI signal in the biomacromolecule aqueous systems is mainly influenced by the protons in hydrogens of biomacromolecule-bound water, which we divide into inner-bound water and outer-bound water. We have also found that COL results in higher sensitivity of bound water than GAG in T2 mapping. Owing to the charge effect, GAG regulates the penetration of the contrast agent during dialysis and has a more significant effect on T1 values than COL. Considering that COL and GAG are the most abundant biomacromolecules in the cartilage, this study is particularly useful for the real-time MRI-guided assessment of cartilage regeneration. A clinical case is reported as an in vivo demonstration, which is consistent with our in vitro results. The established quantitative relation plays a critical academic role in establishing an international standard ISO/TS24560-1:2022 'Clinical evaluation of regenerative knee articular cartilage using delayed gadolinium-enhanced MRI of cartilage (dGEMRIC) and T2 mapping' drafted by us and approved by International Standard Organization.
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Affiliation(s)
- Jingming Gao
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Xian Xu
- Correspondence address. E-mail: (X.X.); (J.D.)
| | - Xiaoye Yu
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Ye Fu
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Hongjie Zhang
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Siyi Gu
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Dinglingge Cao
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Quanyi Guo
- Institute of Orthopedics, The First Medical Center, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries of PLA, Beijing 100853, China
| | - Liming Xu
- Institute for Medical Device Control, National Institutes for Food and Drug Control, Beijing 102629, China
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29
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Markhardt BK, Huang BK, Spiker AM, Chang EY. Interpretation of Cartilage Damage at Routine Clinical MRI: How to Match Arthroscopic Findings. Radiographics 2022; 42:1457-1473. [PMID: 35984752 PMCID: PMC9453290 DOI: 10.1148/rg.220051] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/19/2022] [Accepted: 04/25/2022] [Indexed: 11/11/2022]
Abstract
This review is intended to aid in the interpretation of damage to the articular cartilage at routine clinical MRI to improve clinical management. Relevant facets of the histologic and biochemical characteristics and clinical management of cartilage are discussed, as is MRI physics. Characterization of damage to the articular cartilage with MRI demands a detailed understanding of the normal and damaged appearance of the osteochondral unit in the context of different sequence parameters. Understanding the location of the subchondral bone plate is key to determining the depth of the cartilage lesion. Defining the bone plate at MRI is challenging because of the anisotropic fibrous organization of articular cartilage, which is susceptible to the "magic angle" phenomenon and chemical shift artifacts at the interface with the fat-containing medullary cavity. These artifacts may cause overestimation of the thickness of the subchondral bone plate and, therefore, overestimation of the depth of a cartilage lesion. In areas of normal cartilage morphology, isolated hyperintense and hypointense lesions often represent degeneration of cartilage at arthroscopy. Changes in the subchondral bone marrow at MRI also increase the likelihood that cartilage damage will be visualized at arthroscopy, even when a morphologic lesion cannot be resolved, and larger subchondral lesions are associated with higher grades at arthroscopy. The clinical significance of other secondary features of cartilage damage are also reviewed, including osteophytes, intra-articular bodies, and synovitis. Online supplemental material is available for this article. Work of the U.S. Government published under an exclusive license with the RSNA.
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Affiliation(s)
- B. Keegan Markhardt
- From the Department of Radiology, Division of Musculoskeletal Imaging
and Intervention (B.K.M.), and Department of Orthopedic Surgery (A.M.S.),
University of Wisconsin-Madison, Clinical Science Center, 600 Highland Ave,
E3/311, Madison, WI 53792; Department of Radiology, Division of Musculoskeletal
Imaging, University of California, San Diego, La Jolla, Calif (B.K.H., E.Y.C.);
and Radiology Services, Veterans Affairs San Diego Healthcare System
(E.Y.C.)
| | - Brady K. Huang
- From the Department of Radiology, Division of Musculoskeletal Imaging
and Intervention (B.K.M.), and Department of Orthopedic Surgery (A.M.S.),
University of Wisconsin-Madison, Clinical Science Center, 600 Highland Ave,
E3/311, Madison, WI 53792; Department of Radiology, Division of Musculoskeletal
Imaging, University of California, San Diego, La Jolla, Calif (B.K.H., E.Y.C.);
and Radiology Services, Veterans Affairs San Diego Healthcare System
(E.Y.C.)
| | - Andrea M. Spiker
- From the Department of Radiology, Division of Musculoskeletal Imaging
and Intervention (B.K.M.), and Department of Orthopedic Surgery (A.M.S.),
University of Wisconsin-Madison, Clinical Science Center, 600 Highland Ave,
E3/311, Madison, WI 53792; Department of Radiology, Division of Musculoskeletal
Imaging, University of California, San Diego, La Jolla, Calif (B.K.H., E.Y.C.);
and Radiology Services, Veterans Affairs San Diego Healthcare System
(E.Y.C.)
| | - Eric Y. Chang
- From the Department of Radiology, Division of Musculoskeletal Imaging
and Intervention (B.K.M.), and Department of Orthopedic Surgery (A.M.S.),
University of Wisconsin-Madison, Clinical Science Center, 600 Highland Ave,
E3/311, Madison, WI 53792; Department of Radiology, Division of Musculoskeletal
Imaging, University of California, San Diego, La Jolla, Calif (B.K.H., E.Y.C.);
and Radiology Services, Veterans Affairs San Diego Healthcare System
(E.Y.C.)
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30
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Sifre V, Ten-Esteve A, Serra CI, Soler C, Alberich-Bayarri Á, Segarra S, Martí-Bonmatí L. Knee Cartilage and Subchondral Bone Evaluations by Magnetic Resonance Imaging Correlate with Histological Biomarkers in an Osteoarthritis Rabbit Model. Cartilage 2022; 13:19476035221118166. [PMID: 36004407 PMCID: PMC9421031 DOI: 10.1177/19476035221118166] [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: 11/18/2022] Open
Abstract
OBJECTIVE To evaluate pathological changes in cartilage and subchondral bone MRI biomarkers in a rabbit model of osteoarthritis (OA) and correlate these with histological variations. DESIGN Transection of the anterior cruciate ligament was performed on the right knee of eighteen 12-week-old New Zealand white rabbits to induce OA. 3-Tesla MR images were obtained from 18 healthy control knees (left) and 18 knees with OA (right). Imaging biomarkers included volume, thickness, T1 and T2* cartilage parametric maps, and several subchondral bone features: bone volume to total volume ratio, trabecular thickness, trabecular spacing, trabecular number (TbN), 2D and 3D fractal dimensions, and quality of trabecular score (QTS). Microscopic analysis of the lateral femoral condyles was set as the ground truth. RESULTS When healthy and osteoarthritic knees were compared, significant differences were seen in the T1 and T2* values of the femur and tibia cartilage and in the subchondral bone volume to total volume, TbN, and QTS of both the lateral and medial aspects of the femur and tibia. Histological findings revealed significant osteoarthritic changes between healthy and osteoarthritic knees in stain, structure, chondrocyte density, total score, and subchondral bone biomarker levels. A positive correlation was found between histological staining, structure, chondrocyte density, and total score variables in T1 and T2* cartilage biomarkers. A negative correlation was observed between histological subchondral bone variables and magnetic resonance D2D and QTS biomarkers. CONCLUSION Quantification of several cartilage and subchondral bone imaging biomarkers in a rabbit model of OA allows the detection of significant changes, which are correlated with histological findings.
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Affiliation(s)
- Vicente Sifre
- Programa de Doctorado en Ciencias de la Vida y del Medio Natural, Escuela de Doctorado, Universidad Católica de Valencia San Vicente Mártir, Valencia, Spain,Hospital Veterinario UCV, Departamento de Medicina y Cirugía Animal, Facultad de Veterinaria y Ciencias Experimentales, Universidad Católica de Valencia San Vicente Mártir, Valencia, Spain,Vicente Sifre, Programa de Doctorado en Ciencias de la vida y del medio natural, Escuela de Doctorado, Universidad Católica de Valencia San Vicente Mártir, Avenida Pérez Galdós 51, Valencia 46018, Spain.
| | - Amadeo Ten-Esteve
- Biomedical Imaging Research Group (GIBI230-PREBI), La Fe Health Research Institute and Imaging La Fe node at Distributed Network for Biomedical Imaging, Unique Scientific and Technical Infrastructures, Valencia, Spain
| | - C. Iván Serra
- Hospital Veterinario UCV, Departamento de Medicina y Cirugía Animal, Facultad de Veterinaria y Ciencias Experimentales, Universidad Católica de Valencia San Vicente Mártir, Valencia, Spain
| | - Carme Soler
- Hospital Veterinario UCV, Departamento de Medicina y Cirugía Animal, Facultad de Veterinaria y Ciencias Experimentales, Universidad Católica de Valencia San Vicente Mártir, Valencia, Spain
| | - Ángel Alberich-Bayarri
- Biomedical Imaging Research Group (GIBI230-PREBI), La Fe Health Research Institute and Imaging La Fe node at Distributed Network for Biomedical Imaging, Unique Scientific and Technical Infrastructures, Valencia, Spain,Quantitative Imaging Biomarkers in Medicine, QUIBIM SL, Valencia, Spain
| | | | - Luis Martí-Bonmatí
- Biomedical Imaging Research Group (GIBI230-PREBI), La Fe Health Research Institute and Imaging La Fe node at Distributed Network for Biomedical Imaging, Unique Scientific and Technical Infrastructures, Valencia, Spain
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31
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Jung M, Ruschke S, Karampinos DC, Holwein C, Baum T, Gersing AS, Bamberg F, Jungmann PM. The Predictive Value of Early Postoperative MRI-Based Bone Marrow Parameters for Mid-Term Outcome after MACI with Autologous Bone Grafting at the Knee. Cartilage 2022; 13:19476035221093061. [PMID: 35993371 PMCID: PMC9393675 DOI: 10.1177/19476035221093061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
OBJECTIVE The aim of this study was to longitudinally determine the prognostic value of early postoperative quantitative 3T-MRI (magnetic resonance imaging) parameters of subchondral bone marrow for 2-year clinical and MRI outcome after matrix-associated autologous chondrocyte implantation (MACI) with autologous bone grafting (ABG) at the knee. DESIGN Consecutive subjects who received MACI with ABG for treatment of focal osteochondral defects received MRI follow-up 3, 6, 12, and 24 months postoperatively. Quantitative MRI included bone marrow edema-like lesion (BMEL) volume measurements and single-voxel magnetic resonance spectroscopy (MRS; n = 9) of the subchondral bone marrow. At 2-year follow-up, morphological MRI outcome included MOCART (magnetic resonance observation of cartilage repair tissue) 2.0 scores. Clinical outcomes were assessed using Lysholm scores. RESULTS Among a total of 18 subjects (mean age: 28.7 ± 8.4 years, n = 14 males) with defects at the medial or lateral (n = 15 and n = 3, respectively) condyle, mean BMEL volume decreased from 4.9 cm3 at 3 months to 2.0 cm3 at 2-year follow-up (P = 0.040). MRS-based bone marrow water T2 showed a decrease from 20.7 ms at 1-year follow-up to 16.8 ms at 2-year follow-up (P = 0.040). Higher BMEL volume at 6 months correlated with lower 2-year Lysholm (R = -0.616, P = 0.015) and MOCART 2.0 scores (R = -0.567, P = 0.027). Larger early postoperative BMEL volumes at 3 months (R = -0.850, P = 0.007) and 6 months (R = -0.811, P = 0.008) correlated with lower MRS-based unsaturated lipid fractions at 2-year follow-up. Furthermore, patients with early postoperative bony defects showed worse MOCART 2.0 (P = 0.044) and Lysholm scores (P = 0.017) after 24 months. CONCLUSION Low subchondral BMEL volume and optimal restoration of the subchondral bone at early postoperative time points predict better 2-year clinical and MRI outcomes after MACI with ABG.
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Affiliation(s)
- Matthias Jung
- Department of Diagnostic and
Interventional Radiology, Medical Center—University of Freiburg, Faculty of
Medicine, University of Freiburg, Freiburg, Germany
- Matthias Jung, Department of Diagnostic and
Interventional Radiology, Medical Center—University of Freiburg, Faculty of
Medicine, University of Freiburg, Hugstetter Strasse 55, 79106 Freiburg,
Germany.
| | - Stefan Ruschke
- Department of Diagnostic and
Interventional Radiology, School of Medicine, Technical University of Munich,
Munich, Germany
| | - Dimitrios C. Karampinos
- Department of Diagnostic and
Interventional Radiology, School of Medicine, Technical University of Munich,
Munich, Germany
| | - Christian Holwein
- Department of Orthopaedic Sports
Medicine, Klinikum Rechts der Isar, Technical University of Munich, Munich,
Germany
| | - Thomas Baum
- Department of Neuroradiology, Klinikum
Rechts der Isar, School of Medicine, Technical University of Munich, Munich,
Germany
| | - Alexandra S. Gersing
- Department of Diagnostic and
Interventional Radiology, School of Medicine, Technical University of Munich,
Munich, Germany
- Department of Neuroradiology,
University Hospital, LMU Munich, Munich, Germany
| | - Fabian Bamberg
- Department of Diagnostic and
Interventional Radiology, Medical Center—University of Freiburg, Faculty of
Medicine, University of Freiburg, Freiburg, Germany
| | - Pia M. Jungmann
- Department of Diagnostic and
Interventional Radiology, Medical Center—University of Freiburg, Faculty of
Medicine, University of Freiburg, Freiburg, Germany
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32
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Lye TH, Gachouch O, Renner L, Elezkurtaj S, Cash H, Messroghli D, Raum K, Mamou J. Quantitative Ultrasound Assessment of Early Osteoarthritis in Human Articular Cartilage Using a High-Frequency Linear Array Transducer. ULTRASOUND IN MEDICINE & BIOLOGY 2022; 48:1429-1440. [PMID: 35537895 PMCID: PMC9246887 DOI: 10.1016/j.ultrasmedbio.2022.03.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 03/08/2022] [Accepted: 03/10/2022] [Indexed: 06/01/2023]
Abstract
Quantitative ultrasound (QUS) assessment of osteoarthritis (OA) using high-frequency, research-grade single-element ultrasound systems has been reported. The objective of this ex vivo study was to assess the performance of QUS in detecting early OA using a high-frequency linear array transducer. Osteochondral plugs (n = 26) of human articular cartilage were scanned with ExactVu Micro-Ultrasound using an EV29L side-fire transducer. For comparison, the samples were also imaged with SAM200Ex, a custom 40-MHz scanning acoustic microscope with a single-element, focused transducer. Thirteen QUS parameters were derived from the ultrasound data. Magnetic resonance imaging (MRI) data, with T1 and T2 extracted as the quantitative parameters, were also acquired for comparison. Cartilage degeneration was graded from histology and correlated to all quantitative parameters. A maximum Spearman rank correlation coefficient (ρ) of 0.75 was achieved using a combination of ExactVu QUS parameters, while a maximum ρ of 0.62 was achieved using a combination of parameters from SAM200Ex. A maximum ρ of 0.75 was achieved using the T1 and T2 MRI parameters. This study illustrates the potential of a high-frequency linear array transducer to provide a convenient method for early OA screening with results comparable to those of research-grade single-element ultrasound and MRI.
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Affiliation(s)
- Theresa H Lye
- Frederic L. Lizzi Center for Biomedical Engineering, Riverside Research, New York, New York, USA
| | - Omar Gachouch
- Berlin Institute of Health, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Lisa Renner
- Centrum für Muskuloskeletale Chirurgie (CMSC), Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Sefer Elezkurtaj
- Institut für Pathologie, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Hannes Cash
- Department of Urology, Otto-von-Guericke-University Magdeburg, Germany and PROURO, Berlin, Germany
| | - Daniel Messroghli
- Department of Internal Medicine and Cardiology, Deutsches Herzzentrum Berlin and Charite-Universitätsmedizin Berlin, Berlin, Germany
| | - Kay Raum
- Berlin Institute of Health, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Jonathan Mamou
- Frederic L. Lizzi Center for Biomedical Engineering, Riverside Research, New York, New York, USA.
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33
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Peng Q, Wu C, Kim J, Li X. Efficient phase-cycling strategy for high-resolution 3D gradient-echo quantitative parameter mapping. NMR IN BIOMEDICINE 2022; 35:e4700. [PMID: 35068007 DOI: 10.1002/nbm.4700] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 01/15/2022] [Accepted: 01/17/2022] [Indexed: 06/05/2023]
Abstract
Magnetization-prepared (MP) gradient-echo (GRE) sequences suffer from signal contaminations from T1 recovery during the readout train, which can be eliminated by paired RF phase cycling (PC) at the cost of doubling the scan time. The objective of this study was to develop and validate a novel unpaired PC strategy to eliminate the time penalty for high-resolution quantitative parameter mapping in 3D MP-GRE sequences. Based on the observation that the contaminating T1 recovery signal along the GRE readout train is independent of magnetization preparation, its impact can be eliminated using a novel curve-fitting approach with complex-valued data without needing paired PC acquisitions. Four new unpaired PC schemes were compared with two traditional paired PC schemes in both phantom and in vivo human knee studies at 3 T using a MP angle-modulated partitioned k-space spoiled gradient-echo snapshots (MAPSS) T1ρ mapping sequence. In the phantom study, all methods resulted in consistent T1ρ measurements (∆T1ρ < 0.5%) at the center slice when B0 /B1 values were uniform. Results were not consistent when off-center slices with nonideal B0 /B1 were included. Two unpaired PC schemes had comparable or significantly improved quantitative accuracy and scan-rescan reproducibility compared with the paired PC schemes. There was no significant T1ρ quantitative variability increase or spatial fidelity loss using the new unpaired PC schemes. Unpaired PC schemes also had different T1ρ spectral responses at different B0 frequency offsets, which can potentially be exploited to reduce sensitivity to B0 field inhomogeneities. The human knee study results were consistent with the phantom study findings. In conclusion, an unpaired PC strategy potentially allows more accurate quantitative parameter mapping with halved scan time compared with the paired PC approach to eliminate signal contaminations from T1 recovery. It therefore offers additional flexibility in SNR optimization, spatial resolution improvement, and choice of imaging sampling points to obtain more accurate quantitative parameter mapping.
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Affiliation(s)
- Qi Peng
- GRUSS Magnetic Resonance Research Center (MRRC), Department of Radiology, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York, USA
| | - Can Wu
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Jeehun Kim
- Department of Biomedical Engineering, Program of Advanced Musculoskeletal Imaging (PAMI), Cleveland Clinic, Cleveland, Ohio, USA
| | - Xiaojuan Li
- Department of Biomedical Engineering, Program of Advanced Musculoskeletal Imaging (PAMI), Cleveland Clinic, Cleveland, Ohio, USA
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34
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Roemer FW, Guermazi A, Demehri S, Wirth W, Kijowski R. Imaging in Osteoarthritis. Osteoarthritis Cartilage 2022; 30:913-934. [PMID: 34560261 DOI: 10.1016/j.joca.2021.04.018] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 04/22/2021] [Accepted: 04/28/2021] [Indexed: 02/02/2023]
Abstract
Osteoarthritis (OA) is the most frequent form of arthritis with major implications on both individual and public health care levels. The field of joint imaging, and particularly magnetic resonance imaging (MRI), has evolved rapidly due to the application of technical advances to the field of clinical research. This narrative review will provide an introduction to the different aspects of OA imaging aimed at an audience of scientists, clinicians, students, industry employees, and others who are interested in OA but who do not necessarily focus on OA. The current role of radiography and recent advances in measuring joint space width will be discussed. The status of cartilage morphology assessment and evaluation of cartilage biochemical composition will be presented. Advances in quantitative three-dimensional morphologic cartilage assessment and semi-quantitative whole-organ assessment of OA will be reviewed. Although MRI has evolved as the most important imaging method used in OA research, other modalities such as ultrasound, computed tomography, and metabolic imaging play a complementary role and will also be discussed.
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Affiliation(s)
- F W Roemer
- Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, FGH Building, 3rd Floor, 820 Harrison Ave, Boston, MA, 02118, USA; Department of Radiology, Friedrich-Alexander University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Maximiliansplatz 3, Erlangen, 91054, Germany.
| | - A Guermazi
- Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, FGH Building, 3rd Floor, 820 Harrison Ave, Boston, MA, 02118, USA; Department of Radiology, VA Boston Healthcare System, 1400 VFW Pkwy, Suite 1B105, West Roxbury, MA, 02132, USA
| | - S Demehri
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, 600 N. Wolf Street, Park 311, Baltimore, MD, 21287, USA
| | - W Wirth
- Institute of Anatomy, Paracelsus Medical University Salzburg, Salzburg, Austria, Nüremberg, Germany; Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Paracelsus Medical University Salzburg, Strubergasse 21, 5020, Salzburg, Austria; Chondrometrics, GmbH, Freilassing, Germany
| | - R Kijowski
- Department of Radiology, New York University Grossmann School of Medicine, 550 1st Avenue, 3nd Floor, New York, NY, 10016, USA
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35
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Shu D, Chen F, Guo W, Ding J, Dai S. Acute changes in knee cartilage and meniscus following long-distance running in habituate runners: a systematic review on studies using quantitative magnetic resonance imaging. Skeletal Radiol 2022; 51:1333-1345. [PMID: 34854970 DOI: 10.1007/s00256-021-03943-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 10/13/2021] [Accepted: 10/13/2021] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Running is among the most popular recreational activities; nonetheless, the acute post-race changes of cartilage or meniscus have rarely been determined. The current study aimed to review the acute changes in knee cartilage and meniscus among habituate runners following long-distance running detected by using quantitative magnetic resonance imaging (MRI). MATERIALS AND METHODS Systematic literature search was performed on those dominate clinical databases which including MEDLINE, Cochrane, Embase, ScienceDirect, and Web of Science. Included studies should be conducted on healthy marathon runners, and the participants should be examined before and after running by using MRI. Intervention studies were excluded. RESULTS A total number of 14 studies were finally included in this review which all examined the cartilage or meniscus by using MRI functional sequences. Among them, six studies quantitatively measured the changes regarding volume of the knee cartilage or/and meniscus. Five studies found that the volume would decrease initially after running. Ten studies reported T2 (T2*) would decrease after running and returned to the baseline in a short term, while T1ρ may remain increased in months. Five studies measured subareas for T2 (T2*) value, and found that the superficial and medial subarea changed more vastly than other regions after running. CONCLUSION Runners experience transient changes in the volume and signals of knee cartilage and meniscus after long-distance running. A liquid exchange and material interaction in cartilage and meniscus was observed after running. Superficial and medial areas of knee cartilage and meniscus might be more susceptible to mechanical loading.
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Affiliation(s)
- Dingbo Shu
- School of Clinical Medicine, Hangzhou Normal University, Hangzhou, China
- Department of Radiology, Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Feng Chen
- Department of Paediatrics, The Chinese University of Hong Kong, Hong Kong, China
| | - Wentong Guo
- Department of Computer Science, City University of Hong Kong, Hong Kong, China
| | - Jianping Ding
- School of Clinical Medicine, Hangzhou Normal University, Hangzhou, China
- Department of Radiology, Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Siyu Dai
- School of Clinical Medicine, Hangzhou Normal University, Hangzhou, China.
- Department of Radiology, Affiliated Hospital of Hangzhou Normal University, Hangzhou, China.
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Improved Joint Health Following Oral Administration of Glycosaminoglycans with Native Type II Collagen in a Rabbit Model of Osteoarthritis. Animals (Basel) 2022; 12:ani12111401. [PMID: 35681865 PMCID: PMC9179918 DOI: 10.3390/ani12111401] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/20/2022] [Accepted: 05/26/2022] [Indexed: 12/20/2022] Open
Abstract
Simple Summary Osteoarthritis is an incurable chronic disease. For this reason, new therapies are constantly emerging to improve clinical signs and the quality of life of our pets. Chondroitin sulfate, glucosamine and hyaluronic acid have been proven effective and are the most widely used in many formulations. In the present study, adding native type II collagen to the combination of chondroitin sulfate, glucosamine and hyaluronic acid showed improvements on osteoarthritis progression in an experimental model of osteoarthritis induced by transection of the cranial cruciate ligament of the knee in New Zealand white rabbits. Disease progression was monitored at different time points using magnetic resonance imaging biomarkers, measurement of hyaluronic acid in synovial fluid, and macroscopic and microscopic evaluations of cartilage, synovial membrane and subchondral bone. Overall, our results showed that adding native type II collagen to a combination of glycosaminoglycans allows a significantly slower osteoarthritis progression, compared to glycosaminoglycans alone. Abstract A prospective, experimental, randomized, double blinded study was designed to evaluate the effects of glycosaminoglycans, with or without native type II collagen (NC), in an osteoarthritis model induced by cranial cruciate ligament transection. The following compounds were tested: chondroitin sulfate (CS), glucosamine hydrochloride (GlHCl), hyaluronic acid (HA) and NC. Fifty-four female 12-week-old New Zealand rabbits were classified into three groups: CTR (control–no treatment), CGH (CS + GlHCl + HA) and CGH-NC (CS + GlHCl + HA + NC). Each group was subdivided into three subgroups according to survival times of 24, 56 and 84 days. Over time, all rabbits developed degenerative changes associated with osteoarthritis. CGH-NC showed significantly improved values on macroscopic evaluation, compared to CTR and CGH. Microscopically, significantly better results were seen with CGH and CGH-NC, compared to CTR, and synovial membrane values were significantly better with CGH-NC compared to CGH. A significant improvement in magnetic resonance imaging biomarkers was also observed with CGH-NC in cartilage transversal relaxation time (T2) and subchondral bone D2D fractal dimension in the lateral condyle. In conclusion, our results show beneficial effects on joint health of CGH and CGH-NC and also supports that adding NC to CGH results in even greater efficacy.
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Waltenspül M, Zindel C, Altorfer FCS, Wirth S, Ackermann J. Correlation of Postoperative Imaging With MRI and Clinical Outcome After Cartilage Repair of the Ankle: A Systematic Review and Meta-analysis. FOOT & ANKLE ORTHOPAEDICS 2022; 7:24730114221092021. [PMID: 35520475 PMCID: PMC9067057 DOI: 10.1177/24730114221092021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Background Magnetic resonance imaging (MRI) is commonly used for evaluation of ankle cartilage repair, yet its association with clinical outcome is controversial. This study analyzes the correlation between MRI and clinical outcome after cartilage repair of the talus including bone marrow stimulation, cell-based techniques, as well as restoration with allo- or autografting. Methods A systematic search was performed in MEDLINE, Embase, and Cochrane Collaboration. Articles were screened for correlation of MRI and clinical outcome. Guidelines of Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) were used. Chi-square test and regression analysis were performed to identify variables that determine correlation between clinical and radiologic outcome. Results Of 2687 articles, a total of 43 studies (total 1212 cases) were included with a mean Coleman score of 57 (range, 33-70). Overall, 93% were case series, and 5% were retrospective and 2% prospective cohort studies. Associations between clinical outcome and ≥1 imaging variable were found in 21 studies (49%). Of 24 studies (56%) using the composite magnetic resonance observation of cartilage repair tissue (MOCART) score, 7 (29%) reported a correlation of the composite score with clinical outcome. Defect fill was associated with clinical outcome in 5 studies (12%), and 5 studies (50%) reported a correlation of T2 mapping and clinical outcome. Advanced age, shorter follow-up, and larger study size were associated with established correlation between clinical and radiographic outcome (P = .021, P = .028, and P = .033). Conclusion Interpreting MRI in prediction of clinical outcome in ankle cartilage repair remains challenging; however, it seems to hold some value in reflecting clinical outcome in patients with advanced age and/or at a shorter follow-up. Yet, further research is warranted to optimize postoperative MRI protocols and assessments allowing for a more comprehensive repair tissue evaluation, which eventually reflect clinical outcome in patients after cartilage repair of the ankle.Level of Evidence: Level III, systematic review and meta-analysis.
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Affiliation(s)
- Manuel Waltenspül
- Department of Orthopedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
- Clinic for Orthopaedics and Traumatology, Department of Surgery, Triemli Hospital, Zürich, Switzerland
| | - Christoph Zindel
- Department of Orthopedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Franziska C. S. Altorfer
- Department of Orthopedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Stephan Wirth
- Department of Orthopedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Jakob Ackermann
- Department of Orthopedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
- Clinic for Orthopaedics and Traumatology, Department of Surgery, Kantonsspital Winterthur, Winterthur, Switzerland
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Li W, Li Y, Gao Q, Liu J, Wen Q, Jia S, Tang F, Mo L, Zhang Y, Zhai M, Chen Y, Guo Y, Gong W. Change in knee cartilage components in stroke patients with genu recurvatum analysed by zero TE MR imaging. Sci Rep 2022; 12:3751. [PMID: 35260668 PMCID: PMC8904817 DOI: 10.1038/s41598-022-07817-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: 10/05/2021] [Accepted: 02/25/2022] [Indexed: 11/23/2022] Open
Abstract
Genu recurvatum in stroke patients with hemiplegia causes readily cumulative damage and degenerative changes in the knee cartilage. It is important to detect early cartilage lesions for appropriate treatment and rehabilitation. The purpose of this cross-sectional study was to provide a theoretical basis for the early rehabilitation of hemiplegia patients. We used a zero TE double-echo imaging sequence to analyse the water content in knee joint cartilage at 12 different sites of 39 stroke patients with genu recurvatum and 9 healthy volunteers using a metric similar to the porosity index. When comparing the hemiplegic limb vs. the nonhemiplegic limb in patients, the ratios of the deep/shallow free water content of the femur cartilages at the anterior horn (1.16 vs. 1.06) and posterior horn (1.13 vs. 1.25) of the lateral meniscus were significantly different. Genu recurvatum in stroke patients with hemiplegia can cause changes in the moisture content of knee cartilage, and the changes in knee cartilage are more obvious as the genu recurvatum increases. The "healthy limb" can no longer be considered truly healthy and should be considered simultaneously with the affected limb in the development of a rehabilitation treatment plan.
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Affiliation(s)
- Wenshan Li
- Beijing Rehabilitation Medicine Academy, Capital Medical University, Beijing, 100144, China
| | - Youwei Li
- Department of Radiology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, 100144, China
| | - Qiang Gao
- Scientific Research Department, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, 100144, China
| | - Jingxin Liu
- Department of Radiology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, 100144, China
| | - Qiping Wen
- Department of Radiology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, 100144, China
| | - Shiqi Jia
- Department of Radiology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, 100144, China
| | - Fen Tang
- Department of Radiology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, 100144, China
| | - Linhong Mo
- Department of Neurological Rehabilitation, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, 100144, China
| | - Yuanfang Zhang
- Department of Radiology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, 100144, China
| | - Mingchun Zhai
- Department of Radiology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, 100144, China
| | - Yukun Chen
- Department of Radiology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, 100144, China
| | - Yue Guo
- Department of Radiology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, 100144, China
| | - Weijun Gong
- Department of Neurological Rehabilitation, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, 100144, China.
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39
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Lee JH, Yoon YC, Kim HS, Lee J, Kim E, Findeklee C, Katscher U. In vivo electrical conductivity measurement of muscle, cartilage, and peripheral nerve around knee joint using MR-electrical properties tomography. Sci Rep 2022; 12:73. [PMID: 34996978 PMCID: PMC8741940 DOI: 10.1038/s41598-021-03928-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 12/10/2021] [Indexed: 11/20/2022] Open
Abstract
This study aimed to investigate whether in vivo MR-electrical properties tomography (MR-EPT) is feasible in musculoskeletal tissues by evaluating the conductivity of muscle, cartilage, and peripheral nerve around the knee joint, and to explore whether these measurements change after exercise. This prospective study was approved by the institutional review board. On February 2020, ten healthy volunteers provided written informed consent and underwent MRI of the right knee using a three-dimensional balanced steady-state free precession (bSSFP) sequence. To test the effect of loading, the subjects performed 60 squatting exercises after baseline MRI, immediately followed by post-exercise MRI with the same sequences. After reconstruction of conductivity map based on the bSSFP sequence, conductivity of muscles, cartilages, and nerves were measured. Measurements between the baseline and post-exercise MRI were compared using the paired t-test. Test–retest reliability for baseline conductivity was evaluated using the intraclass correlation coefficient. The baseline and post-exercise conductivity values (mean ± standard deviation) [S/m] of muscles, cartilages, and nerves were 1.73 ± 0.40 and 1.82 ± 0.50 (p = 0.048), 2.29 ± 0.47 and 2.51 ± 0.37 (p = 0.006), and 2.35 ± 0.57 and 2.36 ± 0.57 (p = 0.927), respectively. Intraclass correlation coefficient for the baseline conductivity of muscles, cartilages, and nerves were 0.89, 0.67, and 0.89, respectively. In conclusion, in vivo conductivity measurement of musculoskeletal tissues is feasible using MR-EPT. Conductivity of muscles and cartilages significantly changed with an overall increase after exercise.
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Affiliation(s)
- Ji Hyun Lee
- Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, 06351, Seoul, Korea
| | - Young Cheol Yoon
- Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, 06351, Seoul, Korea.
| | - Hyun Su Kim
- Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, 06351, Seoul, Korea
| | - Jiyeong Lee
- Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, 06351, Seoul, Korea
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40
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Zhang P, Zhang RX, Chen XS, Zhou XY, Raithel E, Cui JL, Zhao J. Clinical validation of the use of prototype software for automatic cartilage segmentation to quantify knee cartilage in volunteers. BMC Musculoskelet Disord 2022; 23:19. [PMID: 34980107 PMCID: PMC8725480 DOI: 10.1186/s12891-021-04973-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 12/20/2021] [Indexed: 12/15/2022] Open
Abstract
Background The cartilage segmentation algorithms make it possible to accurately evaluate the morphology and degeneration of cartilage. There are some factors (location of cartilage subregions, hydrarthrosis and cartilage degeneration) that may influence the accuracy of segmentation. It is valuable to evaluate and compare the accuracy and clinical value of volume and mean T2* values generated directly from automatic knee cartilage segmentation with those from manually corrected results using prototype software. Method Thirty-two volunteers were recruited, all of whom underwent right knee magnetic resonance imaging examinations. Morphological images were obtained using a three-dimensional (3D) high-resolution Double-Echo in Steady-State (DESS) sequence, and biochemical images were obtained using a two-dimensional T2* mapping sequence. Cartilage score criteria ranged from 0 to 2 and were obtained using the Whole-Organ Magnetic Resonance Imaging Score (WORMS). The femoral, patellar, and tibial cartilages were automatically segmented and divided into subregions using the post-processing prototype software. Afterwards, all the subregions were carefully checked and manual corrections were done where needed. The dice coefficient correlations for each subregion by the automatic segmentation were calculated. Results Cartilage volume after applying the manual correction was significantly lower than automatic segmentation (P < 0.05). The percentages of the cartilage volume change for each subregion after manual correction were all smaller than 5%. In all the subregions, the mean T2* relaxation time within manual corrected subregions was significantly lower than in regions after automatic segmentation (P < 0.05). The average time for the automatic segmentation of the whole knee was around 6 min, while the average time for manual correction of the whole knee was around 27 min. Conclusions Automatic segmentation of cartilage volume has a high dice coefficient correlation and it can provide accurate quantitative information about cartilage efficiently without individual bias. Advances in knowledge: Magnetic resonance imaging is the most promising method to detect structural changes in cartilage tissue. Unfortunately, due to the structure and morphology of the cartilages obtaining accurate segmentations can be problematic. There are some factors (location of cartilage subregions, hydrarthrosis and cartilage degeneration) that may influence segmentation accuracy. We therefore assessed the factors that influence segmentations error.
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Affiliation(s)
- Ping Zhang
- Department of Radiology, The Third Hospital of Hebei Medical University, Hebei Province Biomechanical Key Laboratory of Orthopedics, Shijiazhuang, Hebei, China
| | - Ran Xu Zhang
- Department of Radiology, The Third Hospital of Hebei Medical University, Hebei Province Biomechanical Key Laboratory of Orthopedics, Shijiazhuang, Hebei, China
| | - Xiao Shuai Chen
- Department of Radiology, The Third Hospital of Hebei Medical University, Hebei Province Biomechanical Key Laboratory of Orthopedics, Shijiazhuang, Hebei, China
| | - Xiao Yue Zhou
- MR Collaboration, Siemens Healthineers Ltd., Shanghai, China
| | | | - Jian Ling Cui
- Department of Radiology, The Third Hospital of Hebei Medical University, Hebei Province Biomechanical Key Laboratory of Orthopedics, Shijiazhuang, Hebei, China
| | - Jian Zhao
- Department of Radiology, The Third Hospital of Hebei Medical University, Hebei Province Biomechanical Key Laboratory of Orthopedics, Shijiazhuang, Hebei, China.
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Shimomura K, Hamada H, Hart DA, Ando W, Nishii T, Trattnig S, Nehrer S, Nakamura N. Histological Analysis of Cartilage Defects Repaired with an Autologous Human Stem Cell Construct 48 Weeks Postimplantation Reveals Structural Details Not Detected by T2-Mapping MRI. Cartilage 2021; 13:694S-706S. [PMID: 33511856 PMCID: PMC8808920 DOI: 10.1177/1947603521989423] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVE The aim of this study was to elucidate the efficacy of T2-mapping MRI and correlation with histology for the evaluation of tissue repair quality following the first-in-human implantation of an autologous tissue engineered construct. DESIGN We directly compared the results of T2-mapping MRI of cartilage repair tissue with the histology of a biopsy specimen from the corresponding area at 48 weeks postoperatively in 5 patients who underwent the implantation of a scaffold-free tissue-engineered construct generated from autologous synovial mesenchymal stem cells to repair an isolated cartilage lesion. T2 values and histological scores were compared at each of 2 layers of equally divided halves of the repair tissue (upper and lower zones). RESULTS Histology showed that the repair tissue in the upper zone was dominated by fibrous tissue and the ratio of hyaline-like matrix increased with the depth of the repair tissue. There were significant differences between upper and lower zones in histological scores. Conversely, there were no detectable statistically significant differences in T2 value detected among zones of the repair tissue, but zonal differences were detected in corresponding healthy cartilage. Accordingly, there were no correlations detected between histological scores and T2 values for each repair cartilage zone. CONCLUSION Discrepancies in the findings between T2 mapping and histology suggest that T2 mapping was limited in ability to detect details in the architecture and composition of the repair cartilage.
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Affiliation(s)
- Kazunori Shimomura
- Department of Orthopaedic Surgery, Osaka
University Graduate School of Medicine, Osaka, Japan
| | - Hidetoshi Hamada
- Department of Orthopaedic Medical
Engineering, Osaka University Graduate School of Medicine, Osaka, Japan
| | - David A. Hart
- McCaig Institute for Bone & Joint
Health, University of Calgary, Calgary, Alberta, Canada
| | - Wataru Ando
- Department of Orthopaedic Medical
Engineering, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Takashi Nishii
- Department of Orthopaedic Surgery, Osaka
General Medical Center, Osaka, Japan
| | - Siegfried Trattnig
- High Field MR Center, Department of
Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna,
Austria,Christian Doppler Laboratory for
Clinical Molecular MR Imaging (MOLIMA), Department of Biomedical Imaging and
Image-Guided Therapy, Medical University of Vienna, Vienna, Austria
| | - Stefan Nehrer
- Faculty of Health and Medicine,
Department for Health Sciences, Medicine and Research, Center for Regenerative
Medicine, Danube University Krems, Krems, Austria
| | - Norimasa Nakamura
- Department of Orthopaedic Surgery, Osaka
University Graduate School of Medicine, Osaka, Japan,Institute for Medical Science in Sports,
Osaka Health Science University, Osaka, Japan,Global Center for Medical Engineering
and Informatics, Osaka University, Osaka, Japan,Norimasa Nakamura, Institute for Medical
Science in Sports, Osaka Health Science University, 1-9-27, Tenma, Kita-ku,
Osaka City, Osaka, 530-0043, Japan.
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Alsayyad MAI, Ali Shehata KA, Khattab RT. Role of adding T2 mapping sequence to the routine MR imaging protocol in the assessment of articular knee cartilage in osteoarthritis. THE EGYPTIAN JOURNAL OF RADIOLOGY AND NUCLEAR MEDICINE 2021. [DOI: 10.1186/s43055-021-00453-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
This work aims at elucidating the role of adding complementary T2 mapping to the routine 1.5 Tesla MRI protocol in the articular knee cartilage assessment for early detection of osteoarthritis, and also, comparing the articular cartilage thickness and T2 relaxation times between the case and control groups regarding knee compartments affection.
Results
Both sensitivities and specificities were 73.3% and 100%, respectively, for the standard MR protocol alone and 96.7% and 90% after adding the T2 mapping to the standard MR protocol that leads to significant sensitivity improvement. A comparison between patients and controls as regards T2 values showed a highly statistically significant difference (independent T test, p <0.001).
Conclusion
A combination of both morphological and T2 mapping MRI, together with clinical evaluation represents a desirable multimodal approach to the diagnosis of osteoarthritis. In the early detection of osteoarthritis, adding T2 mapping sequence to the standard MR protocol at 1.5 Tesla improved sensitivity from 73.3 to 96.7%.
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Schenk H, Simon D, Waldenmeier L, Evers C, Janka R, Welsch GH, Pachowsky ML. Regions at Risk in the Knee Joint of Young Professional Soccer Players: Longitudinal Evaluation of Early Cartilage Degeneration by Quantitative T2 Mapping in 3 T MRI. Cartilage 2021; 13:595S-603S. [PMID: 32449383 PMCID: PMC8808898 DOI: 10.1177/1947603520924773] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
PURPOSE The study aims to detect regions at risk for (pre-)osteoarthritis in the tibiofemoral joint of young professional soccer players by evaluating cartilage composition by T2 mapping in a 3 T magnetic resonance imaging setting. METHODS In this longitudinal study, 20 professional adolescent soccer players were included. Tibiofemoral cartilage was assessed by quantitative T2 mapping and T2 values were evaluated by regions of interest analysis. Statistical evaluation, using Wilcoxon signed-rank tests, was performed to compare global T2 values and subregional T2 values between a baseline and a follow-up investigation 4.3 years later. Based on the average of playing time (15 years) we divided the cohort in 2 groups and differences were evaluated. RESULTS When comparing baseline and follow-up, our findings showed statistically significant increases of the global medial tibial and femoral T2 values. The most noticeable results of the subregional T2 analysis were statistically significant increases in the medial posterior zones (deep femoral 36.1 vs. 39.5, P = 0.001; superficial femoral 57.0 vs. 62.4, P = 0.034; deep tibial 28.3 vs. 34.1, P = 0.009; superficial tibial 43.2 vs. 55.3, P = 0.002). CONCLUSION The elevation of T2 values in the medial, especially medial posterior, compartment of the knee joint indicates that these regions are at risk for early cartilage degeneration already at the time of adolescence. The findings can help individualize and optimize training concepts and to be aware of the chronic stress on these vulnerable areas. Prevention programs should be established in young players to avoid further cartilage damage.
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Affiliation(s)
- Hanna Schenk
- Friedrich-Alexander University
Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - David Simon
- Friedrich-Alexander University
Erlangen-Nürnberg (FAU), Erlangen, Germany,Department of Internal Medicine
3–Rheumatology and Immunology, University Hospital of Erlangen, Erlangen,
Germany
| | - Leonie Waldenmeier
- Department of Internal Medicine,
University Hospital of Basel, Basel, Switzerland
| | - Christoph Evers
- Department of Radiooncology, University
Hospital of Halle/Saale, Halle, Germany
| | - Rolf Janka
- Friedrich-Alexander University
Erlangen-Nürnberg (FAU), Erlangen, Germany,Department of Radiology, University
Hospital of Erlangen, Erlangen, Germany
| | - Goetz H. Welsch
- UKE Athleticum, University Hospital
Hamburg-Eppendorf, Hamburg, Germany
| | - Milena L. Pachowsky
- Friedrich-Alexander University
Erlangen-Nürnberg (FAU), Erlangen, Germany,Department of Internal Medicine
3–Rheumatology and Immunology, University Hospital of Erlangen, Erlangen,
Germany,Department of Trauma and Orthopedic
Surgery, University Hospital of Erlangen, Erlangen, Germany,Milena L. Pachowsky, Department of Trauma
and Orthopedic Surgery, University Hospital of Erlangen, Maximiliansplatz 1,
Erlangen 91054, Germany.
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Juras V, Szomolanyi P, Schreiner MM, Unterberger K, Kurekova A, Hager B, Laurent D, Raithel E, Meyer H, Trattnig S. Reproducibility of an Automated Quantitative MRI Assessment of Low-Grade Knee Articular Cartilage Lesions. Cartilage 2021; 13:646S-657S. [PMID: 32988236 PMCID: PMC8808824 DOI: 10.1177/1947603520961165] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
OBJECTIVE The goal of this study was to assess the reproducibility of an automated knee cartilage segmentation of 21 cartilage regions with a model-based algorithm and to compare the results with manual segmentation. DESIGN Thirteen patients with low-grade femoral cartilage defects were included in the study and were scanned twice on a 7-T magnetic resonance imaging (MRI) scanner 8 days apart. A 3-dimensional double-echo steady-state (3D-DESS) sequence was used to acquire MR images for automated cartilage segmentation, and T2-mapping was performed using a 3D triple-echo steady-state (3D-TESS) sequence. Cartilage volume, thickness, and T2 and texture features were automatically extracted from each knee for each of the 21 subregions. DESS was used for manual cartilage segmentation and compared with automated segmentation using the Dice coefficient. The reproducibility of each variable was expressed using standard error of measurement (SEM) and smallest detectable change (SDC). RESULTS The Dice coefficient for the similarity between manual and automated segmentation ranged from 0.83 to 0.88 in different cartilage regions. Test-retest analysis of automated cartilage segmentation and automated quantitative parameter extraction revealed excellent reproducibility for volume measurement (mean SDC for all subregions of 85.6 mm3), for thickness detection (SDC = 0.16 mm) and also for T2 values (SDC = 2.38 ms) and most gray-level co-occurrence matrix features (SDC = 0.1 a.u.). CONCLUSIONS The proposed technique of automated knee cartilage evaluation based on the segmentation of 3D MR images and correlation with T2 mapping provides highly reproducible results and significantly reduces the segmentation effort required for the analysis of knee articular cartilage in longitudinal studies.
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Affiliation(s)
- Vladimir Juras
- High-Field MR Centre, Department of
Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna,
Austria,Institute of Measurement Science, Slovak
Academy of Sciences, Bratislava, Slovakia,Vladimir Juras, High-Field MR Centre,
Department of Biomedical Imaging and Image-Guided Therapy, Medical University of
Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria.
| | - Pavol Szomolanyi
- High-Field MR Centre, Department of
Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna,
Austria,Institute of Measurement Science, Slovak
Academy of Sciences, Bratislava, Slovakia
| | - Markus M. Schreiner
- Department of Orthopedics and Trauma
Surgery, Medical University of Vienna, Vienna, Austria
| | - Karin Unterberger
- Department of Orthopedics and Trauma
Surgery, Medical University of Vienna, Vienna, Austria
| | - Andrea Kurekova
- High-Field MR Centre, Department of
Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna,
Austria
| | - Benedikt Hager
- High-Field MR Centre, Department of
Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna,
Austria,CD Laboratory for Clinical Molecular MR
Imaging, Vienna, Austria
| | - Didier Laurent
- Novartis Institutes for Biomedical
Research, Department of Translational Medicine, Basel, Switzerland
| | | | | | - Siegfried Trattnig
- High-Field MR Centre, Department of
Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna,
Austria,CD Laboratory for Clinical Molecular MR
Imaging, Vienna, Austria,Austrian Cluster for Tissue
Regeneration, Vienna, Austria
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45
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Trompeter N, Gardinier JD, DeBarros V, Boggs M, Gangadharan V, Cain WJ, Hurd L, Duncan RL. Insulin-like growth factor-1 regulates the mechanosensitivity of chondrocytes by modulating TRPV4. Cell Calcium 2021; 99:102467. [PMID: 34530313 PMCID: PMC8541913 DOI: 10.1016/j.ceca.2021.102467] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 08/12/2021] [Accepted: 08/26/2021] [Indexed: 10/20/2022]
Abstract
Both mechanical and biochemical stimulation are required for maintaining the integrity of articular cartilage. However, chondrocytes respond differently to mechanical stimuli in osteoarthritic cartilage when biochemical signaling pathways, such as Insulin-like Growth Factor-1 (IGF-1), are altered. The Transient Receptor Potential Vanilloid 4 (TRPV4) channel is central to chondrocyte mechanotransduction and regulation of cartilage homeostasis. Here, we propose that changes in IGF-1 can modulate TRPV4 channel activity. We demonstrate that physiologic levels of IGF-1 suppress hypotonic-induced TRPV4 currents and intracellular calcium flux by increasing apparent cell stiffness that correlates with actin stress fiber formation. Disruption of F-actin following IGF-1 treatment results in the return of the intracellular calcium response to hypotonic swelling. Using point mutations of the TRPV4 channel at the microtubule-associated protein 7 (MAP-7) site shows that regulation of TRPV4 by actin is mediated via the interaction of actin with the MAP-7 domain of TRPV4. We further highlight that ATP release, a down-stream response to mechanical stimulation in chondrocytes, is mediated by TRPV4 during hypotonic challenge. This response is significantly abrogated with IGF-1 treatment. As chondrocyte mechanosensitivity is greatly altered during osteoarthritis progression, IGF-1 presents as a promising candidate for prevention and treatment of articular cartilage damage.
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Affiliation(s)
- Nicholas Trompeter
- Biomedical Engineering, University of Delaware, Newark, DE, United States
| | - Joseph D Gardinier
- Biomechanics and Movement Science Program, University of Delaware, Newark, DE, United States; Bone and Joint Center, Henry Ford Hospital, Detroit, MI, United States
| | - Victor DeBarros
- Department of Biological Sciences, University of Delaware, Newark, DE, United States
| | - Mary Boggs
- Department of Biological Sciences, University of Delaware, Newark, DE, United States
| | - Vimal Gangadharan
- Department of Biological Sciences, University of Delaware, Newark, DE, United States
| | - William J Cain
- Department of Biological Sciences, University of Delaware, Newark, DE, United States
| | - Lauren Hurd
- Department of Biological Sciences, University of Delaware, Newark, DE, United States
| | - Randall L Duncan
- Biomedical Engineering, University of Delaware, Newark, DE, United States; Biomechanics and Movement Science Program, University of Delaware, Newark, DE, United States; Department of Biological Sciences, University of Delaware, Newark, DE, United States; Department of Biology, University of Michigan-Flint, Flint, MI, United States.
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46
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Ranmuthu CDS, MacKay JW, Crowe VA, Kaggie JD, Kessler DA, McDonnell SM. Quantitative analysis of the ACL and PCL using T1rho and T2 relaxation time mapping: an exploratory, cross-sectional comparison between OA and healthy control knees. BMC Musculoskelet Disord 2021; 22:916. [PMID: 34717593 PMCID: PMC8556921 DOI: 10.1186/s12891-021-04755-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Accepted: 09/28/2021] [Indexed: 12/18/2022] Open
Abstract
Background Quantitative magnetic resonance imaging (MRI) methods such as T1rho and T2 mapping are sensitive to changes in tissue composition, however their use in cruciate ligament assessment has been limited to studies of asymptomatic populations or patients with posterior cruciate ligament tears only. The aim of this preliminary study was to compare T1rho and T2 relaxation times of the anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL) between subjects with mild-to-moderate knee osteoarthritis (OA) and healthy controls. Methods A single knee of 15 patients with mild-to-moderate knee OA (Kellgren-Lawrence grades 2–3) and of 6 age-matched controls was imaged using a 3.0 T MRI. Three-dimensional (3D) fat-saturated spoiled gradient recalled-echo images were acquired for morphological assessment and T1ρ- and T2-prepared pseudo-steady-state 3D fast spin echo images for compositional assessment of the cruciate ligaments. Manual segmentation of whole ACL and PCL, as well as proximal / middle / distal thirds of both ligaments was carried out by two readers using ITK-SNAP and mean relaxation times were recorded. Variation between thirds of the ligament were assessed using repeated measures ANOVAs and differences in these variations between groups using a Kruskal-Wallis test. Inter- and intra-rater reliability were assessed using intraclass correlation coefficients (ICCs). Results In OA knees, both T1rho and T2 values were significantly higher in the distal ACL when compared to the rest of the ligament with the greatest differences in T1rho (e.g. distal mean = 54.5 ms, proximal = 47.0 ms, p < 0.001). The variation of T2 values within the PCL was lower in OA knees (OA: distal vs middle vs proximal mean = 28.5 ms vs 29.1 ms vs 28.7 ms, p = 0.748; Control: distal vs middle vs proximal mean = 26.4 ms vs 32.7 ms vs 33.3 ms, p = 0.009). ICCs were excellent for the majority of variables. Conclusion T1rho and T2 mapping of the cruciate ligaments is feasible and reliable. Changes within ligaments associated with OA may not be homogeneous. This study is an important step forward in developing a non-invasive, radiological biomarker to assess the ligaments in diseased human populations in-vivo. Supplementary Information The online version contains supplementary material available at 10.1186/s12891-021-04755-y.
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Affiliation(s)
- Chanuka D S Ranmuthu
- School of Clinical Medicine, Addenbrooke's Hospital, University of Cambridge, Cambridge, CB2 0SP, UK. .,, London, UK.
| | - James W MacKay
- Department of Radiology, Addenbrooke's Hospital, University of Cambridge, Cambridge, CB2 0QQ, UK.,Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich, NR4 7UY, UK
| | - Victoria A Crowe
- Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge, CB2 0QQ, UK
| | - Joshua D Kaggie
- Department of Radiology, Addenbrooke's Hospital, University of Cambridge, Cambridge, CB2 0QQ, UK
| | - Dimitri A Kessler
- Department of Radiology, Addenbrooke's Hospital, University of Cambridge, Cambridge, CB2 0QQ, UK
| | - Stephen M McDonnell
- Division of Trauma & Orthopaedic Surgery, Addenbrooke's Hospital, University of Cambridge, Cambridge, CB2 0QQ, UK
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47
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Nocera NL, Burke CJ, Gyftopoulos S, Adler RS. Ultrasound-MRI Correlation for Healing of Rotator Cuff Repairs Using Power Doppler, Sonographic Shear Wave Elastography and MR Signal Characteristics: A Pilot Study. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2021; 40:2055-2068. [PMID: 33258512 DOI: 10.1002/jum.15583] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 10/15/2020] [Accepted: 10/18/2020] [Indexed: 06/12/2023]
Abstract
OBJECTIVE To determine whether the healing response in rotator cuff repairs can be quantitatively characterized using a multimodality imaging approach with MR signal intensity, power Doppler and shear wave elastography (SWE). MATERIALS AND METHODS Patients scheduled for rotator cuff repair were prospectively enrolled between September 2013 and June 2016. A 12 patient cohort with unilateral, full-thickness, supraspinatus tendon tears underwent MRI and ultrasound both preoperatively and postoperatively (at 3 and 6 months post-surgery). The MR signal intensity ratio of tendon-to-deltoid muscle (TMR), vascularity score by power Doppler (PD) and shear wave velocity (SWV) were measured. Repaired and asymptomatic control shoulders were compared over time and between modalities. RESULTS TMR and vascularity of the tendon repair initially increased and then decreased postoperatively. Although not achieving statistical significance, postoperative SWV initially decreased and later increased, which negatively correlated with the TMR at 3 months (r = -0.73, p = 0.005). PD demonstrated a statistically significant change in tendon vascularity over time compared to the contralateral control (p = 0.009 at 3 months; p = 0.036 at 6 months). No significant correlation occurred between TMR and SWE at 6 months, or with PD at any time point. CONCLUSION Despite a small patient cohort, this prospective pilot study suggests a temporal relationship of MRI and ultrasound parameters that parallels the expected phases of healing in the repaired rotator cuff.
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Affiliation(s)
- Nicole L Nocera
- New York University Langone Orthopedic Center, New York, NY, USA
| | | | | | - Ronald S Adler
- New York University Langone Orthopedic Center, New York, NY, USA
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Shoji T, Saka H, Inoue T, Kato Y, Fujiwara Y, Yamasaki T, Yasunaga Y, Adachi N. Preoperative T2 mapping MRI of articular cartilage values predicts postoperative osteoarthritis progression following rotational acetabular osteotomy. Bone Joint J 2021; 103-B:1472-1478. [PMID: 34465155 DOI: 10.1302/0301-620x.103b9.bjj-2021-0266.r1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AIMS Rotational acetabular osteotomy (RAO) has been reported to be effective in improving symptoms and preventing osteoarthritis (OA) progression in patients with mild to severe develomental dysplasia of the hip (DDH). However, some patients develop secondary OA even when the preoperative joint space is normal; determining who will progress to OA is difficult. We evaluated whether the preoperative cartilage condition may predict OA progression following surgery using T2 mapping MRI. METHODS We reviewed 61 hips with early-stage OA in 61 patients who underwent RAO for DDH. They underwent preoperative and five-year postoperative radiological analysis of the hip. Those with a joint space narrowing of more than 1 mm were considered to have 'OA progression'. Preoperative assessment of articular cartilage was also performed using 3T MRI with the T2 mapping technique. The region of interest was defined as the weightbearing portion of the acetabulum and femoral head. RESULTS There were 16 patients with postoperative OA progression. The T2 values of the centre to the anterolateral region of the acetabulum and femoral head in the OA progression cases were significantly higher than those in patients without OA progression. The preoperative T2 values in those regions were positively correlated with the narrowed joint space width. The receiver operating characteristic analysis revealed that the T2 value of the central portion in the acetabulum provided excellent discrimination, with OA progression patients having an area under the curve of 0.858. Furthermore, logistic regression analysis showed T2 values of the centre to the acetabulum's anterolateral portion as independent predictors of subsequent OA progression (p < 0.001). CONCLUSION This was the first study to evaluate the relationship between intra-articular degeneration using T2 mapping MRI and postoperative OA progression. Our findings suggest that preoperative T2 values of the hip can be better prognostic factors for OA progression than radiological measures following RAO. Cite this article: Bone Joint J 2021;103-B(9):1472-1478.
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Affiliation(s)
- Takeshi Shoji
- Department of Artificial Joints and Biomaterials, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Hideki Saka
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Tadashi Inoue
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Yuichi Kato
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Yusuke Fujiwara
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Takuma Yamasaki
- Department of Orthopaedic Surgery, Kure Medical Center and Chugoku Cancer Center, Hiroshima, Japan
| | - Yuji Yasunaga
- Department of Orthopaedic Surgery, Hiroshima Prefectural Rehabilitation Center, Hiroshima, Japan
| | - Nobuo Adachi
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
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Said O, Schock J, Abrar DB, Schad P, Kuhl C, Nolte T, Knobe M, Prescher A, Truhn D, Nebelung S. In-Situ Cartilage Functionality Assessment Based on Advanced MRI Techniques and Precise Compartmental Knee Joint Loading through Varus and Valgus Stress. Diagnostics (Basel) 2021; 11:diagnostics11081476. [PMID: 34441410 PMCID: PMC8391314 DOI: 10.3390/diagnostics11081476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/09/2021] [Accepted: 08/12/2021] [Indexed: 12/05/2022] Open
Abstract
Stress MRI brings together mechanical loading and MRI in the functional assessment of cartilage and meniscus, yet lacks basic scientific validation. This study assessed the response-to-loading patterns of cartilage and meniscus incurred by standardized compartmental varus and valgus loading of the human knee joint. Eight human cadaveric knee joints underwent imaging by morphologic (i.e., proton density-weighted fat-saturated and 3D water-selective) and quantitative (i.e., T1ρ and T2 mapping) sequences, both unloaded and loaded to 73.5 N, 147.1 N, and 220.6 N of compartmental pressurization. After manual segmentation of cartilage and meniscus, morphometric measures and T2 and T1ρ relaxation times were quantified. CT-based analysis of joint alignment and histologic and biomechanical tissue measures served as references. Under loading, we observed significant decreases in cartilage thickness (p < 0.001 (repeated measures ANOVA)) and T1ρ relaxation times (p = 0.001; medial meniscus, lateral tibia; (Friedman test)), significant increases in T2 relaxation times (p ≤ 0.004; medial femur, lateral tibia; (Friedman test)), and adaptive joint motion. In conclusion, varus and valgus stress MRI induces meaningful changes in cartilage and meniscus secondary to compartmental loading that may be assessed by cartilage morphometric measures as well as T2 and T1ρ mapping as imaging surrogates of tissue functionality.
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Affiliation(s)
- Oliver Said
- Department of Diagnostic and Interventional Radiology, Aachen University Hospital, 52074 Aachen, Germany; (O.S.); (P.S.); (C.K.); (T.N.); (D.T.); (S.N.)
| | - Justus Schock
- Department of Diagnostic and Interventional Radiology, Medical Faculty, University Dusseldorf, 40225 Dusseldorf, Germany;
- Correspondence:
| | - Daniel Benjamin Abrar
- Department of Diagnostic and Interventional Radiology, Medical Faculty, University Dusseldorf, 40225 Dusseldorf, Germany;
| | - Philipp Schad
- Department of Diagnostic and Interventional Radiology, Aachen University Hospital, 52074 Aachen, Germany; (O.S.); (P.S.); (C.K.); (T.N.); (D.T.); (S.N.)
| | - Christiane Kuhl
- Department of Diagnostic and Interventional Radiology, Aachen University Hospital, 52074 Aachen, Germany; (O.S.); (P.S.); (C.K.); (T.N.); (D.T.); (S.N.)
| | - Teresa Nolte
- Department of Diagnostic and Interventional Radiology, Aachen University Hospital, 52074 Aachen, Germany; (O.S.); (P.S.); (C.K.); (T.N.); (D.T.); (S.N.)
| | - Matthias Knobe
- Department of Orthopedic and Trauma Surgery, Lucerne Cantonal Hospital, 6000, Lucerne, Switzerland;
| | - Andreas Prescher
- Institute of Molecular and Cellular Anatomy, RWTH Aachen University, 52074 Aachen, Germany;
| | - Daniel Truhn
- Department of Diagnostic and Interventional Radiology, Aachen University Hospital, 52074 Aachen, Germany; (O.S.); (P.S.); (C.K.); (T.N.); (D.T.); (S.N.)
| | - Sven Nebelung
- Department of Diagnostic and Interventional Radiology, Aachen University Hospital, 52074 Aachen, Germany; (O.S.); (P.S.); (C.K.); (T.N.); (D.T.); (S.N.)
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50
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Harkey MS, Driban JB, Kuenze C, Zhang M, Salzler MJ. Pre-Operative Femoral Cartilage Ultrasound Characteristics Are Altered in People Who Report Symptoms at 1 year After Anterior Cruciate Ligament Reconstruction. ULTRASOUND IN MEDICINE & BIOLOGY 2021; 47:1976-1984. [PMID: 33931287 PMCID: PMC8169620 DOI: 10.1016/j.ultrasmedbio.2021.03.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/08/2021] [Accepted: 03/19/2021] [Indexed: 06/12/2023]
Abstract
We assessed whether pre-operative femoral cartilage thickness and echo intensity on ultrasound are different between individuals who are symptomatic (n = 6) and asymptomatic (n = 7) at 1 year after a primary unilateral anterior cruciate ligament (ACL) reconstruction (age, 23 ± 4 y; 31% women, 69% men; body mass index, 24.9 ± 3.7 kg/m2). A pre-operative, bilateral ultrasound assessment was used to quantify average thickness and echo intensity in the medial, middle and lateral femoral trochlear regions. An inter-limb ratio (ACL/contralateral limb) was calculated for average thickness and echo intensity. At 1 y after ACL reconstruction, we operationally defined the presence of symptoms as scoring ≤85% on at least two Knee Injury and Osteoarthritis Outcome Score subscales. Independent-sample t-tests and Cohen's d effect sizes were used to compare ultrasound pre-operative inter-limb ratios between participants with and without symptoms at 1 y after ACL reconstruction. For medial femoral cartilage, symptomatic participants had significantly greater average cartilage thickness inter-limb ratios (p = 0.01, d = -1.65) and significantly lower echo intensity inter-limb ratios (p = 0.01, d = 1.72) compared with asymptomatic participants. Middle and lateral femoral cartilage average thickness and echo intensity were not different between symptomatic and asymptomatic participants. These findings provide preliminary evidence that a clinically feasible ultrasound assessment of the femoral trochlear cartilage may be prognostic of self-reported symptoms at 1 y after ACL reconstruction.
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Affiliation(s)
- Matthew S Harkey
- Department of Kinesiology, Michigan State University, East Lansing, Michigan, USA.
| | - Jeffrey B Driban
- Division of Rheumatology, Allergy, & Immunology, Tufts Medical Center, Boston, Massachusetts, USA
| | - Christopher Kuenze
- Department of Kinesiology, Michigan State University, East Lansing, Michigan, USA
| | - Ming Zhang
- Division of Rheumatology, Allergy, & Immunology, Tufts Medical Center, Boston, Massachusetts, USA; Department of Computer Science & Networking, Wentworth Institute of Technology, Boston, Massachusetts, USA
| | - Matthew J Salzler
- Department of Orthopaedics, Tufts Medical Center, Boston, Massachusetts, USA
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