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Konarski W, Poboży T, Konarska K, Śliwczyński A, Kotela I, Krakowiak J. A Comparative Analysis of Osteochondritis Dissecans and Avascular Necrosis: A Comprehensive Review. J Clin Med 2024; 13:287. [PMID: 38202294 PMCID: PMC10780049 DOI: 10.3390/jcm13010287] [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: 11/17/2023] [Revised: 12/30/2023] [Accepted: 01/02/2024] [Indexed: 01/12/2024] Open
Abstract
Musculoskeletal disorders, standing as the fifth leading cause of disability-adjusted life years globally, present significant challenges in orthopedics. Osteochondritis dissecans (OCD) and avascular necrosis (AVN) are distinct but closely related conditions within this spectrum, impacting patients' quality of life with pain, limited mobility, and dysfunction. OCD, involving cartilage and bone detachment in joints, predominantly affects young athletes, but its exact etiology and optimal management remain subjects of ongoing research. Conversely, AVN, marked by bone tissue death due to compromised blood supply, is linked to systemic factors like corticosteroid use and traumatic injuries. Diagnosis for both conditions relies on radiography and magnetic resonance imaging. Conservative treatment for AVN includes the use of a cane or crutches, pharmacological therapy, or physical therapy. On the other hand, in OCD, the primary approach is activity/sports restriction. Surgical treatment options for AVN patients encompass core decompression, bone grafting, or, in the most advanced cases, total hip arthroplasty. OCD may be surgically treated through subchondral drilling or fixation of unstable lesions. Advanced cases of OCD involve cartilage salvage with resurfacing techniques. The presentation of differences between these conditions enhances our understanding, facilitating improved diagnosis and management strategies.
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Affiliation(s)
- Wojciech Konarski
- Department of Orthopaedic Surgery, Ciechanów Hospital, 06-400 Ciechanów, Poland;
| | - Tomasz Poboży
- Department of Orthopaedic Surgery, Ciechanów Hospital, 06-400 Ciechanów, Poland;
| | - Klaudia Konarska
- Medical Rehabilitation Center, Sobieskiego 47D, 05-120 Legionowo, Poland;
| | - Andrzej Śliwczyński
- Social Medicine Institute, Department of Social and Preventive Medicine, Medical University of Lodz, 90-647 Lodz, Poland; (A.Ś.); (J.K.)
| | - Ireneusz Kotela
- Department of Orthopedic Surgery and Traumatology, Central Research Hospital of Ministry of Interior, Wołoska 137, 02-507 Warsaw, Poland;
| | - Jan Krakowiak
- Social Medicine Institute, Department of Social and Preventive Medicine, Medical University of Lodz, 90-647 Lodz, Poland; (A.Ś.); (J.K.)
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Breulmann F, Mehl J, Otto A, Lappen S, Siebenlist S, Rab P. [Treatment of osteochondritis dissecans]. ORTHOPADIE (HEIDELBERG, GERMANY) 2024; 53:69-82. [PMID: 38189958 DOI: 10.1007/s00132-023-04461-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 11/14/2023] [Indexed: 01/09/2024]
Abstract
Osteochondritis dissecans (OD) is a rare condition with an incidence of 30/100,000. It especially affects male patients aged 10-20 years old. During the staged progression the osteochondral fragments can detach from their base. These can damage the adjacent articular cartilage, which can lead to premature osteoarthritis. Most commonly affected are the knee, ankle and elbow joints. The exact pathogenesis of OD has so far not been clearly confirmed. Several risk factors that can lead to the development of OD are discussed. These include repeated microtrauma and vascularization disorders that can lead to ischemia of the subchondral bone and to a separation of the fragments close to the joint and therefore to the development of free joint bodies. For an adequate clarification patients should undergo a thorough radiological evaluation including X‑ray imaging followed by magnetic resonance imaging (MRI) to assess the integrity of the cartilage-bone formation with determination of the OD stage. The assessment is based on criteria of the International Cartilage Repair Society (ICRS). The instability of the cartilage-bone fragment increases with higher stages. Stages I and II with stable cartilage-bone interconnection can be treated conservatively. For stages III and IV, i.e., instability of the OD fragment or the presence of free fragments, surgical treatment should be performed. Primarily, refixation of a free joint body should be carried out depending on the size and vitality of the fragment. In cases of unsuccessful conservative treatment or fixation, a debridement, if necessary in combination with a bone marrow stimulating procedure, can be employed corresponding to the size of the defect. For larger cartilage defects, an osteochondral graft transplantation should be considered. Overall, OD lesions in stages I and II show a good healing tendency under conservative treatment. In cases of incipient unstable OD, refixation can also lead to good clinical and radiological results.
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Affiliation(s)
- Franziska Breulmann
- Sektion Sportorthopädie, Klinikum rechts der Isar, Technische Universität München, 81675, München, Deutschland
| | - Julian Mehl
- Sektion Sportorthopädie, Klinikum rechts der Isar, Technische Universität München, 81675, München, Deutschland
| | - Alexander Otto
- Sektion Sportorthopädie, Klinikum rechts der Isar, Technische Universität München, 81675, München, Deutschland
| | - Sebastian Lappen
- Sektion Sportorthopädie, Klinikum rechts der Isar, Technische Universität München, 81675, München, Deutschland
| | - Sebastian Siebenlist
- Sektion Sportorthopädie, Klinikum rechts der Isar, Technische Universität München, 81675, München, Deutschland.
| | - Peter Rab
- Sektion Sportorthopädie, Klinikum rechts der Isar, Technische Universität München, 81675, München, Deutschland
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Kemmeren LAM, van Bergen CJA, Reijman M, Piscaer TM. Physician preferences in diagnostics and treatment of juvenile osteochondritis dissecans are diverse across the knee, ankle and elbow: an ESSKA survey. Knee Surg Sports Traumatol Arthrosc 2023; 31:5228-5237. [PMID: 37787862 PMCID: PMC10598091 DOI: 10.1007/s00167-023-07563-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 08/30/2023] [Indexed: 10/04/2023]
Abstract
PURPOSE To investigate the current preferences regarding the work-up and treatment choices of juvenile osteochondritis dissecans (JOCD) of the knee, ankle and elbow among orthopaedic surgeons. METHODS An international survey was set up for all European Society of Sports Traumatology, Knee Surgery and Arthroscopy (ESSKA) members, which assessed various questions on diagnosis and treatment of JOCD of different joints. Respondents answered questions for one or more joints, based on their expertise. Proportions of answers were calculated and compared between joints. Consensus was defined as more than 75% agreement on an item; disagreement was defined as less than 25% agreement. RESULTS Fifty physicians responded to the survey, of whom forty-two filled out the questions on the knee, fourteen on the ankle and nine on the elbow. Plain radiography and MRI were the most used imaging modalities for the assessment and follow-up of JOCD in the knee and ankle, but not for the elbow. MRI was also the preferred method to assess the stability of a lesion in the knee and ankle. There was universal agreement on activity and/or sports restriction as the non-operative treatment of choice for JOCD. Size, stability and physeal closure were the most important prognostic factors in determining the operative technique for the elbow. For the knee, these factors were size and stability and for the ankle, these were size and location. CONCLUSION Activity and/or sports restriction was the non-operative treatment of choice. Furthermore, plain radiography and MRI were the preferred imaging modalities for the knee and ankle, but not for the elbow. For determining the operative technique, physicians agreed that the size of the lesion is an important prognostic factor in all joints. These findings help us understand how juvenile osteochondritis dissecans is treated in current practice and may provide opportunities for improvement. LEVEL OF EVIDENCE Level V.
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Affiliation(s)
- Laura A M Kemmeren
- Department of Orthopaedic Surgery and Sports Medicine, Erasmus Medical Centre, Sophia Children's Hospital, Dr. Molewaterplein 40, 3015GD, Rotterdam, The Netherlands.
| | - Christiaan J A van Bergen
- Department of Orthopaedic Surgery and Sports Medicine, Erasmus Medical Centre, Sophia Children's Hospital, Dr. Molewaterplein 40, 3015GD, Rotterdam, The Netherlands
- Department of Orthopaedic Surgery, Amphia Hospital, Breda, The Netherlands
| | - Max Reijman
- Department of Orthopaedic Surgery and Sports Medicine, Erasmus Medical Centre, Sophia Children's Hospital, Dr. Molewaterplein 40, 3015GD, Rotterdam, The Netherlands
| | - Tom M Piscaer
- Department of Orthopaedic Surgery and Sports Medicine, Erasmus Medical Centre, Sophia Children's Hospital, Dr. Molewaterplein 40, 3015GD, Rotterdam, The Netherlands
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Korthaus A, Meenen NM, Pagenstert G, Krause M. The "hump" a new arthroscopic phenomenon guiding for reliable therapy of osteochondritis dissecans of variable stability status. Arch Orthop Trauma Surg 2023; 143:1513-1521. [PMID: 35366091 DOI: 10.1007/s00402-022-04409-1] [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: 01/28/2022] [Accepted: 02/27/2022] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Despite 150 years of research, there are currently no reliable morphological characteristics that can be used to differentiate between stable and unstable juvenile osteochondritis dissecans (JOCD) lesions in the knee joint. Arthroscopic probing is still the gold standard. In arthroscopic evaluation, a previously undescribed pattern of a cartilaginous convex elevation ("hump") was identified as a new feature and potential sign of JOCD in transition to instability. The aim of the study was to evaluate the clinical outcomes after surgical intervention (drilling) on the "hump". MATERIALS AND METHODS In a retrospective case series of sixteen patients with an arthroscopically detectable "hump", the analysis of clinical function scores (Lysholm, Tegner) and morphological MRI monitoring of radiological healing were performed. The assessment of lesion healing was based on pre- and postoperative MRI examinations. The "hump" was defined as an arthroscopically impressive protrusion of the femoral articular surface with a minimally softened, discolored, but intact cartilage margin that, is not mobile upon in the arthroscopic palpation hook test. The primary therapy of choice was drilling of all "humps". RESULTS The "hump" could be detected arthroscopically in 16 of 59 JOCD lesions. Specific MRI correlations with the "hump" or arthroscopic unstable lesions could not be detected. Not all "humps" showed signs of MRI-based healing after the drilling, and in some a dissection of the osteochondral flap occurred within the first postoperative year. As a result, secondary refixation became necessary. CONCLUSION In the present study, the "hump" was identified as an important differential diagnostic arthroscopic feature of an arthroscopically primarily stable JOCD lesion, potentially placing the lesion at risk of secondary loosening over time. Therefore, drilling alone may not be appropriate in the event of arthroscopic "hump" discovery, but additional fixation may be required to achieve the healing of the lesion. LEVEL OF EVIDENCE III.
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Affiliation(s)
- A Korthaus
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - N M Meenen
- Pediatric Sports Medicine, Sports Traumatology, Asklepios Clinic St. Georg, Lohmühlenstraße 5, 20099, Hamburg, Germany.
| | - G Pagenstert
- CLARAHOF Clinic of Orthopaedic Surgery, University of Basel, Clarahofweg 19a, 4058, Basel, Switzerland
| | - M Krause
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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Andriolo L, Solaro L, Altamura SA, Carey JL, Zaffagnini S, Filardo G. Classification Systems for Knee Osteochondritis Dissecans: A Systematic Review. Cartilage 2022; 13:19476035221121789. [PMID: 36117427 PMCID: PMC9634996 DOI: 10.1177/19476035221121789] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
OBJECTIVE Aim of this systematic review was to describe all classification systems for knee osteochondritis dissecans (OCD) lesions, evaluating their accuracy and reliability, as well as their use in the literature on knee OCD. DESIGN A systematic review of the literature was performed in July 2021 on PubMed, WebOfScience, and Cochrane Collaboration (library) to describe all published classification systems for knee OCD lesions and quantify the use of these classifications in the literature. RESULTS Out of 1,664 records, 30 studies on 33 OCD classifications systems were identified, describing 11 radiographic, 13 MRI, and 9 arthroscopic classifications. The search included 193 clinical studies applying at least one OCD classification, for a total of 7,299 knee OCD cases. Radiographic classifications were applied to 35.8%, MRI to 35.2%, and arthroscopic classifications to 64.2% of the included studies. Among these, in the last two decades, the International Cartilage Repair Society's (ICRS) arthroscopic classification was the most described approach in studies on knee OCD. Overall, there is a lack of data on accuracy and reliability of the available systems. CONCLUSIONS Several classifications are available, with ICRS being the most used system over the time period studied. Arthroscopy allows to confirm lesion stability, but noninvasive imaging approaches are the first line to guide patient management. Among these, radiographic classifications are still widely used, despite being partially superseded by MRI, because of its capability to detect the earliest disease stages and to distinguish stable from unstable lesions, and thus to define the most suitable conservative or surgical approach to manage patients affected by knee OCD. LEVEL OF EVIDENCE Systematic review, level IV.
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Affiliation(s)
- Luca Andriolo
- Clinica Ortopedica e Traumatologica 2,
IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Luca Solaro
- Clinica Ortopedica e Traumatologica 2,
IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy,Luca Solaro, Clinica Ortopedica e
Traumatologica 2, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli, 1/10, 40136
Bologna, Italy.
| | | | - James L. Carey
- Penn Center for Advanced Cartilage
Repair and Osteochondritis Dissecans Treatment, Hospital of the University of
Pennsylvania, Philadelphia, PA, USA,Perelman School of Medicine, University
of Pennsylvania, Philadelphia, PA, USA
| | - Stefano Zaffagnini
- Clinica Ortopedica e Traumatologica 2,
IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Giuseppe Filardo
- Applied and Translational Research
(ATR) Center, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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Liu M, Ke X, Yao Y, Wu F, Ye S, Zhang L, Yang G, Shen M, Li Y, Yang X, Zhong C, Gao C, Gou Z. Artificial osteochondral interface of bioactive fibrous membranes mediating calcified cartilage reconstruction. J Mater Chem B 2021; 9:7782-7792. [PMID: 34586140 DOI: 10.1039/d1tb01238j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Calcified cartilage is a mineralized osteochondral interface region between the hyaline cartilage and subchondral bone. There are few reported artificial biomaterials that could offer bioactivities for substantial reconstruction of calcified cartilage. Herein we developed new poly(L-lactide-co-caprolactone) (PLCL)-based trilayered fibrous membranes as a functional interface for calcified cartilage reconstruction and superficial cartilage restoration. The trilayered membranes were prepared by the electrospinning technique, and the fibrous morphology was maintained when the chondroitin sulfate (CS) or bioactive glass (BG) particles were introduced in the upper or bottom layer, respectively. Although 30% BG in the bottom layer led to a significant decrease in tensile resistance, the inorganic ion release was remarkably higher than that in the counterpart with 10% BG. The in vivo studies showed that the fibrous membranes as osteochondral interfaces exhibited different biological performances on superficial cartilage restoration and calcified cartilage reconstruction. All of the implanted host hyaline cartilage enabled a self-healing process and an increase in the BG content in the membranes was desirable for promoting the repair of the calcified cartilage with time. The histological staining confirmed the osteochondral interface in the 30% BG bottom membrane maintained appreciable calcified cartilage repair after 12 weeks. These findings demonstrated that such an integrated artificial osteochondral interface containing appropriate bioactive ions are potentially applicable for osteochondral interface tissue engineering.
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Affiliation(s)
- Mengtao Liu
- Bio-nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystem Institute, Zhejiang University, Hangzhou 310058, China.
| | - Xiurong Ke
- Department of Orthopaedic Surgery of The third Hospital Affiliated to Wenzhou Medical University, Rui'an 325200, China
| | - Yuejun Yao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Fanghui Wu
- Department of Orthopaedic Surgery of The third Hospital Affiliated to Wenzhou Medical University, Rui'an 325200, China
| | - Shuo Ye
- Department of Orthopaedic Surgery of The third Hospital Affiliated to Wenzhou Medical University, Rui'an 325200, China
| | - Lei Zhang
- Department of Orthopaedic Surgery of The third Hospital Affiliated to Wenzhou Medical University, Rui'an 325200, China
| | - Guojing Yang
- Department of Orthopaedic Surgery of The third Hospital Affiliated to Wenzhou Medical University, Rui'an 325200, China
| | - Miaoda Shen
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China.
| | - Yifan Li
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China.
| | - Xianyan Yang
- Bio-nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystem Institute, Zhejiang University, Hangzhou 310058, China.
| | - Cheng Zhong
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China.
| | - Changyou Gao
- Bio-nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystem Institute, Zhejiang University, Hangzhou 310058, China. .,MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Zhongru Gou
- Bio-nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystem Institute, Zhejiang University, Hangzhou 310058, China.
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Kilian D, Sembdner P, Bretschneider H, Ahlfeld T, Mika L, Lützner J, Holtzhausen S, Lode A, Stelzer R, Gelinsky M. 3D printing of patient-specific implants for osteochondral defects: workflow for an MRI-guided zonal design. Biodes Manuf 2021. [DOI: 10.1007/s42242-021-00153-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Abstract
Magnetic resonance imaging (MRI) is a common clinical practice to visualize defects and to distinguish different tissue types and pathologies in the human body. So far, MRI data have not been used to model and generate a patient-specific design of multilayered tissue substitutes in the case of interfacial defects. For orthopedic cases that require highly individual surgical treatment, implant fabrication by additive manufacturing holds great potential. Extrusion-based techniques like 3D plotting allow the spatially defined application of several materials, as well as implementation of bioprinting strategies. With the example of a typical multi-zonal osteochondral defect in an osteochondritis dissecans (OCD) patient, this study aimed to close the technological gap between MRI analysis and the additive manufacturing process of an implant based on different biomaterial inks. A workflow was developed which covers the processing steps of MRI-based defect identification, segmentation, modeling, implant design adjustment, and implant generation. A model implant was fabricated based on two biomaterial inks with clinically relevant properties that would allow for bioprinting, the direct embedding of a patient’s own cells in the printing process. As demonstrated by the geometric compatibility of the designed and fabricated model implant in a stereolithography (SLA) model of lesioned femoral condyles, a novel versatile CAD/CAM workflow was successfully established that opens up new perspectives for the treatment of multi-zonal (osteochondral) defects.
Graphic abstract
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8
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Jungesblut OD, Berger-Groch J, Meenen NM, Stuecker R, Rupprecht M. Validity of Ultrasound Compared with Magnetic Resonance Imaging in Evaluation of Osteochondritis Dissecans of the Distal Femur in Children. Cartilage 2021; 12:169-174. [PMID: 30704293 PMCID: PMC7970372 DOI: 10.1177/1947603519828434] [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: 11/15/2022] Open
Abstract
OBJECTIVE Magnetic resonance imaging (MRI) is currently the gold standard to diagnose and monitor osteochondritis dissecans (OCD) of the knee. The purpose of this study was to evaluate for the first time if ultrasound imaging can be used to visualize osteochondritis dissecans of the distal femur. DESIGN From May 2008 to December 2013, 44 children (26 boys and 18 girls) presenting with OCD of the knee in our department were examined and evaluated by ultrasound imaging. Mean age at diagnosis was 11.8 ± 2.2 years. Two independent experienced orthopedic surgeons analyzed the localization, stage, and the size of the OCD via ultrasound and compared the results with the MRI findings. RESULTS Ultrasonic examination has limitations in assessing the OCD stage I and therefore is not suitable for evaluating this stage of the disease. In stages II to IV, a good correlation to MRI regarding defect localization and size can be found, when the defect is localized in a region that is accessible to ultrasonic examination. CONCLUSION Ultrasonic scan is an appropriate tool for the screening and monitoring of OCDs stages II to IV. It provides an inexpensive and readily available alternative to MRI. In addition, the healing process of higher grade defects as well as the screening of the opposite side can also be performed by ultrasound. Detection of defects being localized close to the intercondylar notch or far posterior on the lateral condyle are limitations for the use of ultrasound.
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Affiliation(s)
- Oliver D. Jungesblut
- Department of Pediatric
Orthopedics, Altona Children’s Hospital, Hamburg, Germany,Department of Orthopedics,
University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Josephine Berger-Groch
- Department of Pediatric
Orthopedics, Altona Children’s Hospital, Hamburg, Germany,Department of Trauma-, Hand- and
Reconstructive Surgery, University Medical Center Hamburg-Eppendorf,
Hamburg, Germany,Josephine Berger-Groch, Department
of Trauma-, Hand-, and Reconstructive Surgery, University Hospital
Hamburg Eppendorf, Martinistraße 52, Hamburg, D-20246, Germany.
| | - Norbert M. Meenen
- Department of Pediatric
Orthopedics, Altona Children’s Hospital, Hamburg, Germany,Pediatric Sports Medicine,
Surgical Traumatological Center, Asklepios St. Georg Clinic, Hamburg,
Germany
| | - Ralf Stuecker
- Department of Pediatric
Orthopedics, Altona Children’s Hospital, Hamburg, Germany,Department of Orthopedics,
University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Martin Rupprecht
- Department of Pediatric
Orthopedics, Altona Children’s Hospital, Hamburg, Germany,Department of Orthopedics,
University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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Abstract
PURPOSE OF THE REVIEW Osteochondritis dissecans (OCD) is a pathologic condition of subchondral bone most frequently occurring in the medial femoral condyle of the knee in children and adolescents. Salvage techniques are necessary when either nonoperative or typical operative treatments fail, or the OCD presents in an unsalvageable state. The purpose of this review is to describe the evaluation and management of failed OCDs. RECENT FINDINGS Thorough preoperative planning is essential to the treatment of failed OCDs. Radiographs and advanced imaging such as MRI and CT allow for a detailed assessment of subchondral bone and cartilage. Long-leg alignment radiographs are critical to assess for malalignment which may increase the contact forces on the affected condyle. Malalignment can be corrected with hemiepiphysiodesis or an osteotomy depending on the skeletal maturity of the patient. Osteochondral allografts and autologous chondrocyte implantation treat the defect in both bone and cartilage or solely cartilage and have good short to moderate term outcomes, particularly as compared to the inferior outcomes of microfracture of larger OCDs. Osteochondritis dissecans of the knee that fails to heal with initial operative measures can result in a large defect of bone and cartilage in the knee of adolescents. Treatment of the bone and cartilage defect can be accomplished with either osteochondral allograft transplantation or matrix-assisted autologous chondrocyte implantation can be performed with good outcomes. Assessment and correction of lower extremity malalignment is a critical component of treatment. Durable long-term solutions are necessary for the treatment of these difficult lesions.
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Abstract
Juvenile osteochondritis dissecans (JOCD) is a joint disorder of the subchondral bone and articular cartilage that affects skeletally immature patients. The aetiology of JOCD is unknown and the natural history is poorly characterized in part due to inconsistent and largely retrospective literature. Most OCD in children and adolescents presents as a stable lesion amenable to non-operative treatment or minimally invasive drilling. However, unstable forms can require a more aggressive approach. This article reviews the most recent literature available and focuses on the pathophysiology, diagnosis and treatment of JOCD of the knee.
Cite this article: EFORT Open Rev 2019;4:201-212. DOI: 10.1302/2058-5241.4.180079
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Affiliation(s)
- Javier Masquijo
- Department of Pediatric Orthopaedics, Sanatorio Allende, Córdoba, Argentina
| | - Alpesh Kothari
- Department of Paediatric Orthopaedics, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
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Sustained Results in Long-Term Follow-Up of Autologous Chondrocyte Implantation (ACI) for Distal Femur Juvenile Osteochondritis Dissecans (JOCD). Adv Orthop 2018; 2018:7912975. [PMID: 30345118 PMCID: PMC6174812 DOI: 10.1155/2018/7912975] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 08/28/2018] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Concern regarding ability of autologous chondrocyte implantation (ACI) to correct for the bone and cartilage pathology of knee juvenile osteochondritis dissecans (JOCD) exists. The purpose of this study was to determine long-term, patient-based outcomes of ACI treatment of JOCD in young patients. Authors hypothesized long-term outcomes are comparable to reported mid-term outcomes. METHODS A single institution, longitudinal cohort study design combining medical record review and outcome surveys was used. Inclusion criteria included isolated JOCD diagnosis, failed primary healing of operatively treated JOCD, ACI surgery > 5 years ago, and ≤20 years of age at time of ACI. RESULTS 10/26 eligible patients (38.5%) participated (M: F = 5:5, age at ACI: 18.3 ± 2.5 y, current age: 30.8 ± 5.1 y, and current BMI: 24.6 ± 2.1). Follow-up was 12.0 ± 4.5 y. Lesion size at ACI was 9.1 ± 1.9 cm2. Femoral condyle location was medial = 6 and lateral = 4. All required treatment at some point for knee symptoms after ACI. During the past one year, four patients required treatment. Patient reported outcome scores at 12 years following ACI were IKDC score: 73.0 ± 3.6, KOOS scores including pain [88.7 ± 2.3], symptoms [78.2 ± 4.6], activity of daily living [94.7 ± 1.9], function, sports, and recreational activities [73.0 ± 5.3], and quality of life [57.5 ± 5.8], and Modified Cincinnati Knee Rating score was 77.9 ± 4.1. A moderate to good relationship was found between KOOS symptoms and BMI and lesion size. Function, sports, and recreational activities of the KOOS were greater in participants who had ≤1 lesion prior to ACI procedures (p = 0.044). CONCLUSION This study of ACI treatment of knee JOCD patients confirms sustained, long-term results. Number of lesions prior to ACI procedure influenced status of function, sports, and recreational activities.
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Leung R, Thomas P. An uncommon chronic osteochondral defect in the lateral tibial plateau detected after a separate injury. BMJ Case Rep 2018. [PMID: 29514837 DOI: 10.1136/bcr-2017-224065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Osteochondral defects (OCD) are rare conditions that usually present in young adolescents. The causes include trauma, inflammation, ischaemia, genetics and changes at secondary ossification centres. The case report presents a 27-year-old man with chronic intermittent left knee pain for about 3 years. He typically develops the symptom after prolonged standing or when rising from a prolonged seated position. An initial MRI scan in 2014 did not identify and report an OCD that was present in his left lateral tibial plateau. It was only after an accidental tibial fracture injury this year that the defect was incidentally detected on a scan. OCD can be staged based on MRI and/or arthroscopic findings. The treatment can be either non-operative or operative, but this largely depends on the age of the patient, the severity of symptoms and the staging of the defect.
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Affiliation(s)
- Raymond Leung
- Trauma and Orthopaedics, Whittington Health NHS Trust, London, UK
| | - Panos Thomas
- Trauma and Orthopaedics, Whittington Health NHS Trust, London, UK
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Wall EJ, Milewski MD, Carey JL, Shea KG, Ganley TJ, Polousky JD, Grimm NL, Eismann EA, Jacobs JC, Murnaghan L, Nissen CW, Myer GD, Weiss J, Edmonds EW, Anderson AF, Lyon RM, Heyworth BE, Fabricant PD, Zbojniewicz A. The Reliability of Assessing Radiographic Healing of Osteochondritis Dissecans of the Knee. Am J Sports Med 2017; 45:1370-1375. [PMID: 28398084 DOI: 10.1177/0363546517698933] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND The reliability of assessing healing on plain radiographs has not been well-established for knee osteochondritis dissecans (OCD). PURPOSE To determine the inter- and intrarater reliability of specific radiographic criteria in judging healing of femoral condyle OCD. STUDY DESIGN Cohort study (Diagnosis); Level of evidence, 3. METHODS Ten orthopedic sports surgeons rated the radiographic healing of 30 knee OCD lesions at 2 time points, a minimum of 1 month apart. First, raters compared pretreatment and 2-year follow-up radiographs on "overall healing" and on 5 subfeatures of healing, including OCD boundary, sclerosis, size, shape, and ossification using a continuous slider scale. "Overall healing" was also rated using a 7-tier ordinal scale. Raters then compared the same 30 pretreatment knee radiographs in a stepwise progression to the 2-, 4-, 7-, 12-, and 24-month follow-up radiographs on "overall healing" using a continuous slider scale. Interrater and intrarater reliability were assessed using intraclass correlations (ICC) derived from a 2-way mixed effects analysis of variance for absolute agreement. RESULTS Overall healing of the OCD lesions from pretreatment to 2-year follow-up radiographs was rated with excellent interrater reliability (ICC = 0.94) and intrarater reliability (ICC = 0.84) when using a continuous scale. The reliability of the 5 subfeatures of healing was also excellent (interrater ICCs of 0.87-0.89; intrarater ICCs of 0.74-0.84). The 7-tier ordinal scale rating of overall healing had lower interrater (ICC = 0.61) and intrarater (ICC = 0.68) reliability. The overall healing of OCD lesions at the 5 time points up to 24 months had interrater ICCs of 0.81-0.88 and intrarater ICCs of 0.65-0.70. CONCLUSION Interrater reliability was excellent when judging the overall healing of OCD femoral condyle lesions on radiographs as well as on 5 specific features of healing on 2-year follow-up radiographs. Continuous scale rating of OCD radiographic healing yielded higher reliability than the ordinal scale rating. Raters showed substantial to excellent agreement of OCD overall radiographic healing measured on a continuous scale at 2, 4, 7, 12, and 24 months after starting treatment.
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Affiliation(s)
- Eric J Wall
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Matthew D Milewski
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - James L Carey
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Kevin G Shea
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Theodore J Ganley
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - John D Polousky
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Nathan L Grimm
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Emily A Eismann
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Jake C Jacobs
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Lucas Murnaghan
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Carl W Nissen
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Gregory D Myer
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
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- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Jennifer Weiss
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Eric W Edmonds
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Allen F Anderson
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Roger M Lyon
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Benton E Heyworth
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Peter D Fabricant
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Andy Zbojniewicz
- Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
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Brophy RH, Sandell LJ, Cheverud JM, Rai MF. Gene expression in human meniscal tears has limited association with early degenerative changes in knee articular cartilage. Connect Tissue Res 2017; 58:295-304. [PMID: 27435997 PMCID: PMC5931210 DOI: 10.1080/03008207.2016.1211114] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
UNLABELLED Purpose/Aim: Meniscus tears are a common injury to the knee associated with the development of osteoarthritis. Gene expression in the injured meniscus may be associated with early degeneration in the articular cartilage. The purpose of this study was to test the hypothesis that gene expression in meniscus tears is associated with early degenerative changes in the articular cartilage at the time of partial meniscectomy. MATERIALS AND METHODS Torn meniscus was removed at the time of partial meniscectomy in 68 patients without radiographic osteoarthritis. Meniscal mRNA expression was measured by quantitative PCR for multiple molecular markers of osteoarthritis and cartilage homeostasis. The presence of early degenerative changes in the knee was recorded by X-ray (N = 63), magnetic resonance imaging (MRI, N = 48), and arthroscopy (N = 63). Gene expression was tested for correlation with the presence/absence of degenerative changes after adjusting for age, sex, and body mass index. RESULTS Overall gene expression varied significantly with degenerative changes based on X-ray (P = 0.047) and MRI (P = 0.018). The linear combination of gene variation was also significant. However, only adiponectin (ADIPOQ) (P = 0.015) was expressed at a significantly lower level in patients with chondrosis on MRI, while the expression of ADIPOQ (P = 0.035) and resistin (RETN) (P = 0.017) was higher in patients with early degenerative changes on X-ray. None of the genes varied significantly with presence/absence of chondrosis as measured by arthroscopy. CONCLUSIONS There is an overall association of gene expression in meniscal tears to early degenerative changes in the knee, but only a limited number of specific genes demonstrate this relationship. The roles of adiponectin and resistin in knee injury and osteoarthritis deserve further study.
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Affiliation(s)
- Robert H. Brophy
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO, USA,
| | - Linda J. Sandell
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO, USA,Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, MO, USA,Department of Biomedical Engineering, Washington University in St. Louis, MO, USA
| | | | - Muhammad Farooq Rai
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO, USA
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15
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Juneau C, Paine R, Chicas E, Gardner E, Bailey L, McDermott J. Current Concepts in Treatment of Patellofemoral Osteochondritis Dissecans. Int J Sports Phys Ther 2016; 11:903-925. [PMID: 27904793 PMCID: PMC5095943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023] Open
Abstract
Identification, protection, and management of patellofemoral articular cartilage lesions continue to remain on the forefront of sports medicine rehabilitation. Due to high-level compression forces that are applied through the patellofemoral (PF) joint, managing articular cartilage lesions is challenging for sports medicine specialists. Articular cartilage damage may exist in a wide spectrum of injuries ranging from small, single areas of focal damage to wide spread osteoarthritis involving large chondral regions. Management of these conditions has evolved over the last two centuries, most recently using biogenetic materials and cartilage replacement modalities. The purpose of this clinical commentary is to discuss PF articular cartilage injuries, etiological variables, and investigate the evolution in management of articular cartilage lesions. Rehabilitation of these lesions will also be discussed with a focus on current trends and return to function criteria. LEVEL OF EVIDENCE 5.
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Affiliation(s)
- Chris Juneau
- Memorial Hermann's Ironman Sports Medicine Institute, Houston, TX, USA
| | - Russ Paine
- Memorial Hermann's Ironman Sports Medicine Institute, Houston, TX, USA
| | - Eric Chicas
- Memorial Hermann's Ironman Sports Medicine Institute, Houston, TX, USA
| | - Emily Gardner
- Memorial Hermann's Ironman Sports Medicine Institute, Houston, TX, USA
| | - Lane Bailey
- Memorial Hermann's Ironman Sports Medicine Institute, Houston, TX, USA
| | - James McDermott
- University of Texas Health Science Center at Houston/Baylor College of Medicine, Houston, TX, USA
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16
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Jones MH, Williams AM. Osteochondritis dissecans of the knee. Bone Joint J 2016; 98-B:723-9. [DOI: 10.1302/0301-620x.98b6.36816] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 02/02/2016] [Indexed: 11/05/2022]
Abstract
Osteochondritis Dissecans (OCD) is a condition for which the aetiology remains unknown. It affects subchondral bone and secondarily its overlying cartilage and is mostly found in the knee. It can occur in adults, but is generally identified when growth remains, when it is referred to as juvenile OCD. As the condition progresses, the affected subchondral bone separates from adjacent healthy bone, and can lead to demarcation and separation of its associated articular cartilage. Any symptoms which arise relate to the stage of the disease. Early disease without separation of the lesion results in pain. Separation of the lesion leads to mechanical symptoms and swelling and, in advanced cases, the formation of loose bodies. Early identification of OCD is essential as untreated OCD can lead to the premature degeneration of the joint, whereas appropriate treatment can halt the disease process and lead to healing. Establishing the stability of the lesion is a key part of providing the correct treatment. Stable lesions, particularly in juvenile patients, have greater propensity to heal with non-surgical treatment, whereas unstable or displaced lesions usually require surgical management. This article discusses the aetiology, clinical presentation and prognosis of OCD in the knee. It presents an algorithm for treatment, which aims to promote healing of native hyaline cartilage and to ensure joint congruity. Take home message: Although there is no clear consensus as to the best treatment of OCD, every attempt should be made to retain the osteochondral fragment when possible as, with a careful surgical technique, there is potential for healing even in chronic lesions Cite this article: Bone Joint J 2016;98-B:723–9.
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Affiliation(s)
- M. H. Jones
- Fortius Clinic, 17
Fitzhardinge Street, London, W1H
6EQ, UK
| | - A. M. Williams
- Fortius Clinic, 17
Fitzhardinge Street, London, W1H
6EQ, UK
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17
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Roßbach BP, Paulus AC, Niethammer TR, Wegener V, Gülecyüz MF, Jansson V, Müller PE, Utzschneider S. Discrepancy between morphological findings in juvenile osteochondritis dissecans (OCD): a comparison of magnetic resonance imaging (MRI) and arthroscopy. Knee Surg Sports Traumatol Arthrosc 2016. [PMID: 26210963 DOI: 10.1007/s00167-015-3724-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
PURPOSE The aim of this study was to assess the reliability of preoperative MRI for the staging of osteochondritis dissecans (OCD) lesions of the knee and the talus in juvenile patients, using arthroscopy as the gold standard of diagnosis. METHODS Sixty-three juvenile patients (range 8-16 years) with an OCD of the knee or the talus underwent arthroscopy after MRI. In 54/9 out of 63 cases, 1.5/3 T MR scanners were used. The OCD stage was classified according the staging criteria of Dipaola et al. Arthroscopic findings were compared with MRI reports in each patient. RESULTS From the 63 juvenile patients, MRI/arthroscopy revealed a stage I OCD in 4/19 patients, stage II in 31/22 patients, stage III in 22/9 patients and stage IV in 6/6 patients. No osteochondral pathology was evident in arthroscopy in seven out of 63 patients. The overall accuracy of preoperative MRI in staging an OCD lesion of the knee or the talus was 41.3%. In 33 out of 63 patients (52.4%), arthroscopy revealed a lower OCD stage than in the preoperative MRI grading, and in four out of 63 cases (6.4%), the intraoperative arthroscopic grading was worse than in preoperative MRI prior to surgery. The utilization of the 3 T MRI provided a correct diagnosis with 44.4%. CONCLUSIONS Even with today's modern MRI scanners, it is not possible to predict an accurate OCD stage in children. The children's orthopaedist should not solely rely on the MRI when it comes to the decision to further conservative or surgical treatment of a juvenile OCD, but rather should take surgical therapy in consideration within persisting symptoms despite a low OCD stage provided by MRI. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Björn Peter Roßbach
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, University Hospital of Munich (LMU), Campus Grosshadern, Marchioninistr. 15, 81377, Munich, Germany.
| | - Alexander Christoph Paulus
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, University Hospital of Munich (LMU), Campus Grosshadern, Marchioninistr. 15, 81377, Munich, Germany
| | - Thomas Richard Niethammer
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, University Hospital of Munich (LMU), Campus Grosshadern, Marchioninistr. 15, 81377, Munich, Germany
| | - Veronika Wegener
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, University Hospital of Munich (LMU), Campus Grosshadern, Marchioninistr. 15, 81377, Munich, Germany
| | - Mehmet Fatih Gülecyüz
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, University Hospital of Munich (LMU), Campus Grosshadern, Marchioninistr. 15, 81377, Munich, Germany
| | - Volkmar Jansson
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, University Hospital of Munich (LMU), Campus Grosshadern, Marchioninistr. 15, 81377, Munich, Germany
| | - Peter Ernst Müller
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, University Hospital of Munich (LMU), Campus Grosshadern, Marchioninistr. 15, 81377, Munich, Germany
| | - Sandra Utzschneider
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, University Hospital of Munich (LMU), Campus Grosshadern, Marchioninistr. 15, 81377, Munich, Germany
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18
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D’Angelo K, Kim P, Murnaghan ML. Juvenile Osteochondritis Dissecans in a 13-year-old male athlete: A case report. THE JOURNAL OF THE CANADIAN CHIROPRACTIC ASSOCIATION 2014; 58:384-394. [PMID: 25550663 PMCID: PMC4262807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
OBJECTIVE To present the clinical management of juvenile osteochondritis dissecans (OCD) of the knee and highlight the importance of a timely diagnosis to optimize the time needed for less invasive, non-operative therapy. CLINICAL FEATURES A 13-year-old provincial level male soccer player presenting with recurrent anterior knee pain despite ongoing manual therapy. INTERVENTION AND OUTCOME A multidisciplinary, non-operative treatment approach was utilized to promote natural healing of the osteochondral lesion. The plan of management consisted of patient education, activity modification, manual therapy, passive modalities and rehabilitation, while being overseen by an orthopaedic surgeon. CONCLUSIONS Considering the serious consequences of misdiagnosing osteochondritis dissecans, such as the potential for future joint instability and accelerated joint degeneration, a high degree of suspicion should be considered with young individuals presenting with nonspecific, recurrent knee pain. A narrative review of the literature is provided to allow practitioners to apply current best practices to appropriately manage juvenile OCD and become more cognizant of the common knee differential diagnoses in the young athletic population.
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Affiliation(s)
- Kevin D’Angelo
- Canadian Memorial Chiropractic College, 6100 Leslie Street, Toronto, Ontario
- Sports Sciences Resident, Division of Graduate Studies
| | - Peter Kim
- Canadian Memorial Chiropractic College, 6100 Leslie Street, Toronto, Ontario
- Associate Professor, Canadian Memorial Chiropractic College
| | - M. Lucas Murnaghan
- Staff Physician, Division of Orthopaedic Surgery, The Hospital for Sick Children, 555 University Avenue, Toronto, Ontario
- Assistant Professor, Department of Surgery, University of Toronto
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Abstract
BACKGROUND The role of evidence-based medicine in sports medicine and orthopaedic surgery is rapidly growing. Systematic reviews and meta-analyses are also proliferating in the medical literature. PURPOSE To provide the outline necessary for a practitioner to properly understand and/or conduct a systematic review for publication in a sports medicine journal. STUDY DESIGN Review. METHODS The steps of a successful systematic review include the following: identification of an unanswered answerable question; explicit definitions of the investigation's participant(s), intervention(s), comparison(s), and outcome(s); utilization of PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-analyses) guidelines and PROSPERO registration; thorough systematic data extraction; and appropriate grading of the evidence and strength of the recommendations. RESULTS An outline to understand and conduct a systematic review is provided, and the difference between meta-analyses and systematic reviews is described. The steps necessary to perform a systematic review are fully explained, including the study purpose, search methodology, data extraction, reporting of results, identification of bias, and reporting of the study's main findings. CONCLUSION Systematic reviews or meta-analyses critically appraise and formally synthesize the best existing evidence to provide a statement of conclusion that answers specific clinical questions. Readers and reviewers, however, must recognize that the quality and strength of recommendations in a review are only as strong as the quality of studies that it analyzes. Thus, great care must be used in the interpretation of bias and extrapolation of the review's findings to translation to clinical practice. Without advanced education on the topic, the reader may follow the steps discussed herein to perform a systematic review.
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Affiliation(s)
- Joshua D Harris
- The Methodist Orthopedics and Sports Medicine Center, Houston, Texas
| | - Carmen E Quatman
- Sports Medicine Center, The Ohio State University, Columbus, Ohio Department of Orthopaedic Surgery, The Ohio State University, Columbus, Ohio
| | - M M Manring
- Department of Orthopaedic Surgery, The Ohio State University, Columbus, Ohio
| | - Robert A Siston
- Sports Medicine Center, The Ohio State University, Columbus, Ohio Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, Ohio
| | - David C Flanigan
- Sports Medicine Center, The Ohio State University, Columbus, Ohio Department of Orthopaedic Surgery, The Ohio State University, Columbus, Ohio
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20
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Management strategies for osteochondritis dissecans of the knee in the skeletally immature athlete. J Orthop Sports Phys Ther 2014; 44:665-79. [PMID: 25098196 DOI: 10.2519/jospt.2014.5140] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
SYNOPSIS Osteochondritis dissecans (OCD) is a disorder resulting in focal breakdown of the subchondral bone, with potential disruption of the overlying articular cartilage. The femoral condyles of the knee are the most common locations for OCD, and the incidence of OCD appears to be increasing among active children. Juvenile OCD (JOCD) can be distinguished from adult OCD by the presence of open growth plates. Due to a lack of evidence on its early diagnosis, optimal treatment, and long-term course of healing, JOCD presents a unique challenge for the health care team. Approximately 50% to 67% of stable JOCD lesions heal successfully with nonoperative treatment. For unstable lesions and stable lesions that fail nonoperative treatment, a variety of surgical interventions can be utilized to stimulate bony healing and address articular cartilage lesions. It is recommended that rehabilitation of JOCD be tailored to the individual patient, based on the stage and radiographic status of the lesion and the mode of surgery employed when surgically addressed. Although there is a growing body of literature on this condition, the etiology and optimal methods for treatment, rehabilitation, and evaluating outcomes remain inconclusive due to a lack of quality evidence. LEVEL OF EVIDENCE Therapy, level 5.
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21
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Piposar J, Sutton K. The golf ball sign: arthroscopic localization of an osteochondritis dissecans lesion of the knee. Arthrosc Tech 2014; 3:e343-5. [PMID: 25126500 PMCID: PMC4130142 DOI: 10.1016/j.eats.2014.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2013] [Accepted: 02/04/2014] [Indexed: 02/03/2023] Open
Abstract
We report on the arthroscopic treatment of a 12-year-old boy diagnosed with an osteochondral defect of the medial femoral condyle. He underwent arthroscopic fixation of the defect, and during the surgery, a blunt trocar was used to localize the lesion. The trocar created a transient dimpling effect on the cartilage overlying the osteochondral defect that resembled the surface of a golf ball. This "golf ball sign" then served as a visual guide during placement of a chondral dart. When present, it is believed that this sign can benefit arthroscopists by helping to improve intraoperative localization of an osteochondral defect.
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Affiliation(s)
- Jonathan Piposar
- Address correspondence to Jonathan Piposar, M.D., Department of Orthopaedics & Rehabilitation, Yale University School of Medicine, Yale Physicians Bldg, 800 Howard Ave, New Haven, CT 06510, U.S.A.
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22
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Ochodo EA, van Enst WA, Naaktgeboren CA, de Groot JAH, Hooft L, Moons KGM, Reitsma JB, Bossuyt PM, Leeflang MMG. Incorporating quality assessments of primary studies in the conclusions of diagnostic accuracy reviews: a cross-sectional study. BMC Med Res Methodol 2014; 14:33. [PMID: 24588874 PMCID: PMC3942773 DOI: 10.1186/1471-2288-14-33] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2013] [Accepted: 02/21/2014] [Indexed: 01/08/2023] Open
Abstract
Background Drawing conclusions from systematic reviews of test accuracy studies without considering the methodological quality (risk of bias) of included studies may lead to unwarranted optimism about the value of the test(s) under study. We sought to identify to what extent the results of quality assessment of included studies are incorporated in the conclusions of diagnostic accuracy reviews. Methods We searched MEDLINE and EMBASE for test accuracy reviews published between May and September 2012. We examined the abstracts and main texts of these reviews to see whether and how the results of quality assessment were linked to the accuracy estimates when drawing conclusions. Results We included 65 reviews of which 53 contained a meta-analysis. Sixty articles (92%) had formally assessed the methodological quality of included studies, most often using the original QUADAS tool (n = 44, 68%). Quality assessment was mentioned in 28 abstracts (43%); with a majority (n = 21) mentioning it in the methods section. In only 5 abstracts (8%) were results of quality assessment incorporated in the conclusions. Thirteen reviews (20%) presented results of quality assessment in the main text only, without further discussion. Forty-seven reviews (72%) discussed results of quality assessment; the most frequent form was as limitations in assessing quality (n = 28). Only 6 reviews (9%) further linked the results of quality assessment to their conclusions, 3 of which did not conduct a meta-analysis due to limitations in the quality of included studies. In the reviews with a meta-analysis, 19 (36%) incorporated quality in the analysis. Eight reported significant effects of quality on the pooled estimates; in none of them these effects were factored in the conclusions. Conclusion While almost all recent diagnostic accuracy reviews evaluate the quality of included studies, very few consider results of quality assessment when drawing conclusions. The practice of reporting systematic reviews of test accuracy should improve if readers not only want to be informed about the limitations in the available evidence, but also on the associated implications for the performance of the evaluated tests.
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Affiliation(s)
- Eleanor A Ochodo
- Department of Clinical Epidemiology, Biostatistics & Bioinformatics, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands.
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23
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Yang JS, Bogunovic L, Wright RW. Nonoperative treatment of osteochondritis dissecans of the knee. Clin Sports Med 2014; 33:295-304. [PMID: 24698044 DOI: 10.1016/j.csm.2013.11.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Osteochondritis dissecans is a potentially devastating cause of knee pain in adolescents and adults. Prognosis and treatment depends on the stability of the lesion and the age of the patient. Skeletally immature patients with stable lesions are amenable for nonoperative treatment. Nonoperative treatment is less predictable in skeletally mature patients and patients with unstable lesions. Lesion size, location, stability along with symptomatology should all be considered before initiating treatment. Modalities of nonoperative treatment can range from activity modification to complete immobilization. Close follow-up is recommended to monitor healing progression and symptom resolution.
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Affiliation(s)
- Justin S Yang
- Department of Orthopedics, Washington University, 660 South Euclid MS 8233, St Louis, MO, USA
| | - Ljiljana Bogunovic
- Department of Orthopedics, Washington University, 660 South Euclid MS 8233, St Louis, MO, USA
| | - Rick W Wright
- Department of Orthopedics, Washington University, 660 South Euclid MS 8233, St Louis, MO, USA.
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Harris JD, Erickson BJ, Abrams GD, Cvetanovich GL, McCormick FM, Gupta AK, Bach BR, Cole BJ. Methodologic quality of knee articular cartilage studies. Arthroscopy 2013; 29:1243-1252.e5. [PMID: 23623292 DOI: 10.1016/j.arthro.2013.02.023] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Revised: 01/26/2013] [Accepted: 02/20/2013] [Indexed: 02/02/2023]
Abstract
PURPOSE (1) To evaluate the quality of knee articular cartilage surgery literature using established methodologic quality instruments, and (2) to assess whether study quality has improved with time. METHODS A systematic review was performed using PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. Studies of autologous chondrocyte implantation (ACI), osteochondral autograft and allograft transplant, and microfracture were analyzed. Study methodologic quality was assessed by the level of evidence and 9 different methodologic quality questionnaires. Comparisons were made between different surgical technique groups by use of Student's t tests. Assessment of study quality improvement with time was performed by comparison of the Coleman Methodology Score (CMS) from the included studies (2004 to present) and CMS from a prior study assessing quality of articular cartilage studies (1985 to 2004). Furthermore, assessment of study quality improvement with time was performed over the period of the included studies (2004 to present). RESULTS We included 194 studies (11,787 subjects). Most evidence was Level IV (76%) and nonrandomized (91%). ACI was the most commonly reported technique (62% of studies). Only 34% of studies denied the presence of a financial conflict of interest. The mean subject age was 33.5 ± 8.2 years, and the mean length of follow-up was 3.7 ± 2.3 years. By use of study quality questionnaires, the methodologic quality of articular cartilage studies was poor. However, study quality (after 2004) was significantly improved versus that reported from a prior study (before 2004) using the CMS (P < .01). The mean level of evidence, CMS, CONSORT (Consolidated Standards of Reporting Trials) score, and Jadad score showed no significant improvement over the period of the included studies (P > .05). The quality of randomized controlled trials (RCTs) was significantly higher than that of non-RCTs (P < .05). The most common study weaknesses included blinding, subject selection process, study type, sample size calculation, and outcome measures and assessment. CONCLUSIONS The methodologic quality of knee articular cartilage surgery studies was poor overall and also for individual techniques (ACI, osteochondral autograft transplant, osteochondral allograft transplant, and microfracture). However, the overall quality of the investigations in this review (after June 2004) has significantly improved in comparison to those published before 2004. The quality of RCTs was significantly higher than that of non-RCTs. Level of evidence, CMS, CONSORT score, and Jadad score did not significantly improve with later publication date within the period of the studies analyzed. Methodologic quality deficiencies identified in this investigation may be used to guide future articular cartilage studies' design, conduct, and reporting. LEVEL OF EVIDENCE Level IV, systematic review of studies with Levels of Evidence I-IV.
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Affiliation(s)
- Joshua D Harris
- Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, IL 60612, USA.
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Erickson BJ, Chalmers PN, Yanke AB, Cole BJ. Surgical management of osteochondritis dissecans of the knee. Curr Rev Musculoskelet Med 2013; 6:102-14. [PMID: 23378147 PMCID: PMC3702780 DOI: 10.1007/s12178-013-9156-0] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Osteochondritis dissecans of the knee primarily affects subchondral bone, with a secondary effect on the overlying articular cartilage. This process can lead to pain, effusions, and loose body formation. While stable juvenile lesions often respond well to nonoperative management, unstable juvenile lesions, as well as symptomatic adult lesions, often require operative intervention. Short-term goals focus on symptomatic relief, while long-term expectations include the hope of preventing early-onset arthritis. Surgical options include debridement, loose body removal, microfracture, arthroscopic reduction and internal fixation, subchondral drilling, osteochondral autograft or allograft transplantation, and autologous chondrocyte implantation. Newer single-stage cell-based procedures have also been developed, utilizing mesenchymal stem cells and matrix augmentation. Proper treatment requires evaluation of both lesional (size, depth, stability) and patient (age, athletic level) characteristics.
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Kröger L, Piippo-Savolainen E, Tyrväinen E, Penttilä P, Kröger H. Osteochondral lesions in children with juvenile idiopathic arthritis. Pediatr Rheumatol Online J 2013; 11:18. [PMID: 23634779 PMCID: PMC3648357 DOI: 10.1186/1546-0096-11-18] [Citation(s) in RCA: 8] [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: 12/18/2012] [Accepted: 04/23/2013] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Joint pain and swelling are typical symptoms in children with juvenile idiopathic arthritis (JIA) and these are often related to inflammation of the joint. Juvenile osteochondritis dissecans (JOCD), that is separation of a bone-cartilage segment from the articular surface, can manifest with similar symptoms. FINDINGS We studied thirteen cases of osteochondritis dissecans lesions (OCD) in children with JIA. There were nine girls and four boys with a mean age of 6.5 (2-12) years at the time of diagnosis of JIA. Mean time between diagnosis of JIA and manifestation of OCD was 5.5 (1-11) years. Indications for MRI were the presence of pain or discomfort in the joint, despite otherwise effective treatment, with no evidence from ultrasound examination of any obvious signs of active inflammation. The most common location of osteochondral lesion was the knee, although the ankle joint was affected in one case. Five patients had lesions in both knees. Operative treatment was needed in eight cases (joints). CONCLUSIONS Pain, and minor dysfunction of the joint are common complaints of children suffering from JIA. Earlier research has discounted the possibility of children who were not athletes presenting with this condition. However, this study demonstrates that these lesions also seem to be relatively common in patients with JIA. When there is no sign of inflammation, the possibility of OCD must therefore be considered in these children.
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Affiliation(s)
- Liisa Kröger
- Department of Paediatrics, Kuopio University Hospital, Kuopio FIN-70211, Finland.
| | | | - Erja Tyrväinen
- Department of Radiology, Kuopio University Hospital, Kuopio, Finland
| | - Pekko Penttilä
- Department of Paediatrics, Kuopio University Hospital, Kuopio FIN-70211, Finland,Bone and Cartilage Research Unit, University of Eastern Finland, Kuopio Campus, Finland
| | - Heikki Kröger
- Department of Orthopaedics, Traumatology and Hand Surgery, Kuopio University Hospital, Kuopio, Finland,Bone and Cartilage Research Unit, University of Eastern Finland, Kuopio Campus, Finland
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Chiang H, Liao CJ, Hsieh CH, Shen CY, Huang YY, Jiang CC. Clinical feasibility of a novel biphasic osteochondral composite for matrix-associated autologous chondrocyte implantation. Osteoarthritis Cartilage 2013; 21:589-98. [PMID: 23333470 DOI: 10.1016/j.joca.2013.01.004] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2012] [Revised: 01/07/2013] [Accepted: 01/08/2013] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Matrix-associated autologous chondrocyte implantation has been used to treat cartilage defects. We developed a biphasic cylindrical osteochondral composite construct for such use, and conducted this study to determine its feasibility for treating osteochondral lesions in human knees. METHOD Ten patients with symptomatic osteochondral lesions at femoral condyles were treated by replacing pathological tissue with the construct of dl-poly-lactide-co-glycolide, whose lower body was impregnated with β-tricalcium phosphate and served as osseous phase. The construct had a chamber to load double-minced autologous cartilage, serving as source of chondrocytes. Osteochondral lesion was drill-fashioned a pit of identical dimension as the construct. Chondrocyte-laden construct was press-fit to fill the pit. Postoperative outcome was evaluated using Knee Injury and Osteoarthritis Outcome Score (KOOS) scale up to 24 months. Magnetic resonance image was taken, and sample tissue was collected with second-look arthroscopic needle biopsy at 12 months. Outcome parameters were primarily safety of surgery, and secondarily postoperative change in KOOS and regeneration of hyaline cartilage and cancellous bone. RESULTS No patient experienced serious adverse events. Postoperative mean KOOS in "symptoms" subscale had not changed significantly from pre-operation until 24 months; whereas those in the other four subscales were significantly higher than pre-operation at 12 and 24 months. Second-look arthroscopy showed completely filled grafted sites, with regenerate cartilaginous surfaces flushed with surrounding native joint surface. Microscopically, regenerated cartilage appeared hyaline. CONCLUSION This novel construct for chondrocyte implantation is safe for surgical application in knee. It repairs osteochondral lesions of femoral condyles by successful regeneration of hyaline cartilage.
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Affiliation(s)
- H Chiang
- National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
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