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Paul KD, Patel RK, Arguello AM, Kwapisz A, Brabston EW, Stannard JP, Ponce BA, Momaya AM. Variability in the Processing of Fresh Osteochondral Allografts. J Knee Surg 2023; 36:450-455. [PMID: 34600436 DOI: 10.1055/s-0041-1736148] [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] [Indexed: 02/07/2023]
Abstract
The indications for fresh osteochondral allograft continue to increase. As a result, variations in graft processing and preservation methods have emerged. An understanding of these techniques is important when evaluating the optimal protocol for processing fresh osteochondral allografts prior to surgical implantation. The aim of this study is to review the literature and understand various tissue processing protocols of four leading tissue banks in the United States. Donor procurement, serological and microbiological testing, and storage procedures were compared among companies of interest. Similarities between the major tissue banks include donor screening, aseptic processing, and testing for microorganisms. Variability exists between these companies with relation to choice of storage media, antibiotic usage, storage temperature, and graft expiration dates. Potential exists for increased chondrocyte viability and lengthened time-to-expiration of the graft through a protocol of delicate tissue handling, proper choice of storage medium, adding hormones and growth factors like insulin growth factor-1 (IGF-1) to serum-free nutrient media, and storing these grafts closer to physiologic temperatures.
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Affiliation(s)
- Kyle D Paul
- Department of Orthopaedics, The University of Alabama at Birmingham, Birmingham, Alabama
| | - Romil K Patel
- Department of Orthopaedics, The University of Alabama at Birmingham, Birmingham, Alabama
| | - Alexandra M Arguello
- Department of Orthopaedics, The University of Alabama at Birmingham, Birmingham, Alabama
| | - Adam Kwapisz
- Clinic of Orthopedics and Pediatric Orthopedics, Medical University of Lodz, Lodz, Lodzkie, Poland
| | - Eugene W Brabston
- Department of Orthopaedics, The University of Alabama at Birmingham, Birmingham, Alabama
| | - James P Stannard
- Department of Orthopaedic Surgery, University of Missouri Columbia, Missouri Orthopaedic Institute, Columbia, Missouri.,Department of Thompson Laboratory for Regenerative Orthopaedics, University of Missouri Columbia, Missouri Orthopaedic Institute, Columbia, Missouri
| | - Brent A Ponce
- Department of Orthopaedics, Hughston Clinic, Columbus, Georgia
| | - Amit M Momaya
- Department of Orthopaedics, The University of Alabama at Birmingham, Birmingham, Alabama
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2
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Ogawa H, Matsumoto K, Akiyama H. Repair of Osteochondritis Dissecans of the Lateral Femoral Condyle by a Trochlea Osteochondral Autograft: A Case Report. JBJS Case Connect 2022; 12:01709767-202203000-00028. [PMID: 35050965 DOI: 10.2106/jbjs.cc.21.00570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
CASE A 17-year-old adolescent boy with large deep osteochondritis dissecans (OCD) of the right lateral femoral condyle was treated with ipsilateral trochlea osteochondral autograft transplantation combined with iliac cancellous bone grafting to the donor site of the lateral trochlea. Both autografts were fused 3 months after surgery. It was radiographically confirmed that the OCD lesion was successfully reconstructed. CONCLUSION This procedure is an alternative surgical option for large and deep OCDs. It offers sufficient loading strength to the joint and adequate reconstruction of the congruent joint surface and can be performed at any regular facility.
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Affiliation(s)
- Hiroyasu Ogawa
- Department of Orthopaedic Surgery, Ogaki Tokushukai Hospital, Ogaki, Japan.,Department of Orthopaedic Surgery, Gifu University Graduate School of Medicine, Gifu City, Japan
| | - Kazu Matsumoto
- Department of Orthopaedic Surgery, Gifu University Graduate School of Medicine, Gifu City, Japan
| | - Haruhiko Akiyama
- Department of Orthopaedic Surgery, Gifu University Graduate School of Medicine, Gifu City, Japan
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3
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Denbeigh JM, Hevesi M, Paggi CA, Resch ZT, Bagheri L, Mara K, Arani A, Zhang C, Larson AN, Saris DB, Krych AJ, van Wijnen AJ. Modernizing Storage Conditions for Fresh Osteochondral Allografts by Optimizing Viability at Physiologic Temperatures and Conditions. Cartilage 2021; 13:280S-292S. [PMID: 31777278 PMCID: PMC8808875 DOI: 10.1177/1947603519888798] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Objective. Osteochondral allograft (OCA) transplantation has demonstrated good long-term outcomes in treatment of cartilage defects. Viability, a key factor in clinical success, decreases with peri-implantation storage at 4°C during pathogen testing, matching logistics, and transportation. Modern, physiologic storage conditions may improve viability and enhance outcomes. Design. Osteochondral specimens from total knee arthroplasty patients (6 males, 5 females, age 56.4 ± 2.2 years) were stored in media and incubated at normoxia (21% O2) at 22°C or 37°C, and hypoxia (2% O2) at 37°C. Histology, live-dead staining, and quantitative polymerase chain reaction (qPCR) was performed 24 hours after harvest and following 7 days of incubation. Tissue architecture, cell viability, and gene expression were analyzed. Results. No significant viability or gene expression deterioration of cartilage was observed 1-week postincubation at 37°C, with or without hypoxia. Baseline viable cell density (VCD) was 94.0% ± 2.7% at day 1. At day 7, VCD was 95.1% (37°C) with normoxic storage and 92.2% (37°C) with hypoxic storage (P ≥ 0.27). Day 7 VCD (22°C) incubation was significantly lower than both the baseline and 37°C storage values (65.6%; P < 0.01). COL1A1, COL1A2, and ACAN qPCR expression was unchanged from baseline (P < 0.05) for all storage conditions at day 7, while CD163 expression, indicative of inflammatory macrophages and monocytes, was significantly lower in the 37°C groups (P < 0.01). Conclusion. Physiologic storage at 37°C demonstrates improved chondrocyte viability and metabolism, and maintained collagen expression compared with storage at 22°C. These novel findings guide development of a method to optimize short-term fresh OCA storage, which may lead to improved clinical results.
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Affiliation(s)
| | - Mario Hevesi
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA
| | - Carlo A. Paggi
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA
| | - Zachary T. Resch
- Center for Regenerative Medicine, Mayo
Clinic, Rochester, MN, USA
| | - Leila Bagheri
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA
| | - Kristin Mara
- Department of Biomedical Statistics and
Informatics, Mayo Clinic, Rochester, MN, USA
| | - Arvin Arani
- Department of Radiology, Mayo Clinic,
Rochester, MN, USA
| | - Chenghao Zhang
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA
| | - A. Noelle Larson
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA
| | - Daniel B.F. Saris
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA,Department of Orthopedics, University
Medical Center Utrecht, Utrecht, Netherlands,Reconstructive Medicine, University of
Twente, Enschede, Netherlands
| | - Aaron J. Krych
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA,Sports Medicine Center, Mayo Clinic,
Rochester, MN, USA
| | - Andre J. van Wijnen
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA,Andre J. van Wijnen PhD, Department of
Orthopedic Surgery, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.
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Roberti Di Sarsisa T, Fiore M, Coco V, Govoni M, Vivarelli L, Rani N, Del Piccolo N, Dallari D. Fresh Osteochondral Allograft Transplantation in Osteochondritis Dissecans in the Knee Joint. Life (Basel) 2021; 11:life11111205. [PMID: 34833081 PMCID: PMC8622509 DOI: 10.3390/life11111205] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 10/27/2021] [Accepted: 11/05/2021] [Indexed: 02/07/2023] Open
Abstract
Osteochondritis dissecans (OCD) is a chronic and painful joint condition that can occur from childhood through to adult life. Microtrauma, vascular insufficiency, or abnormal endochondral ossification are the most common causes of OCD. Reconstructive techniques for OCD of the knee are typically necessary when either non-operative or reparative/regenerative operative treatments fail, or when the OCD is irreversible. To analyze the clinical outcomes and failure rates of fresh osteochondral allograft transplantation (FOCA) used as a reconstructive strategy in OCD patients, an in-depth search was carried out on the PubMed, Scopus, and Web of Science databases concerning the existing evidence related to the use of FOCA for OCD patients in the knee joint. A total of 646 studies were found through the search and 2 studies were added after a cross-referenced examination of the articles within the bibliography. Six studies with a total of 303 OCD lesions treated with FOCA, with a mean follow-up of 6.3 years, were included. Although a limited number of low-level evidence studies on this topic are available in previous research, satisfactory clinical results and survival rates of the reconstruction are reported. However, to better define the real advantages of FOCA in the healing process of OCD lesions, comparative studies with different techniques are needed.
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[Reconstruction of large osteochondral defects of the distal femur and proximal tibia : Adaptation of fresh frozen allografts using 3D-printed models]. Unfallchirurg 2021; 124:74-79. [PMID: 32776223 PMCID: PMC7810632 DOI: 10.1007/s00113-020-00846-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Die Rekonstruktion großer osteochondraler Defekte stellt nach wie vor eine Herausforderung in der muskuloskeletalen Chirurgie dar. Frisch gefrorene Allografts sind eine häufig genutzte Ressource für die Behandlung solcher Gewebedefekte. Darüber hinaus ermöglichen 3D-gedruckte Kunststoffmodelle vielfältige Optionen in der präoperativen Planung und bei der intraoperativen Anpassung der Transplantate, sodass sie optimal einheilen und das bestmögliche funktionelle Ergebnis für den Patienten erreicht wird.
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Use of allograft to reconstruct anterior bony glenoid defect in chronic glenohumeral instability: a systematic review. Arch Orthop Trauma Surg 2020; 140:1475-1485. [PMID: 32524228 DOI: 10.1007/s00402-020-03511-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Indexed: 10/24/2022]
Abstract
INTRODUCTION Bone-block procedures are well-established in anterior chronic shoulder instability treatment. Autograft with the coracoid process (Bristow-Latarjet procedures) and iliac crest (Eden-Hybbinette) are the most frequent source of bone but the use of allograft is also possible. The objective of this review is to assess clinical and radiographic outcomes after bony allograft reconstruction in anterior glenohumeral instability. MATERIAL AND METHODS Medline, Cochrane, Embase databases were searched for studies reporting on bone allograft reconstruction in anterior glenohumeral instability with glenoid defect. We conducted a systematic review of studies with all levels of evidence reporting on clinical or radiological outcomes or both. LEVEL OF EVIDENCE IV. RESULTS Ten studies met the inclusion criteria for the review; 283 shoulders were included with a mean age of 26 years (17-63) and mean follow-up of 34 months (4-168). Glenoid reconstruction was performed using bone from different source: femoral head (1 study), distal tibia allograft (5 studies), and iliac crest (4 studies). Allografts were fresh in 4 studies, demineralized in 2 studies, and freeze-dried after sterilization in 1 study. All scores performed in the different studies increased between pre-operative and post-operative evaluations (mean + 36.8 points for the ASES). Global rate of recurrence was 3.9% (11 patients) (0-11%), comprising 6 cases of dislocation (2.1%) and 5 subluxations (1.8%). Allograft healing occurred in 93.5% of cases. CONCLUSIONS This systematic review data suggest that allograft reconstructions in anterior glenohumeral instability could be a viable alternative to similar reconstructions with autografts and provide close clinical/radiological outcomes, at short and mid-term follow-up. Prospective randomized studies are needed to confirm these results.
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7
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Li XG, Park IS, Choi BH, Kim UJ, Min BH. In Vivo Bioreactor Using Cellulose Membrane Benefit Engineering Cartilage by Improving the Chondrogenesis and Modulating the Immune Response. Tissue Eng Regen Med 2020; 17:165-181. [PMID: 32193874 PMCID: PMC7105552 DOI: 10.1007/s13770-019-00236-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 12/16/2019] [Accepted: 12/17/2019] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND To regenerate tissue-engineered cartilage as a source of material for the restoration of cartilage defects, we used a human fetal cartilage progenitor cell pellet to improve chondrogenesis and modulation of the immune response in an in vivo bioreactor (IVB) system. METHODS IVB was buried subcutaneously in the host and then implanted into a cartilage defect. The IVB was composed of a silicone tube and a cellulose nano pore-sized membrane. First, fetal cartilage progenitor cell pellets were cultured in vitro for 3 days, then cultured in vitro, subcutaneously, and in an IVB for 3 weeks. First, the components and liquidity of IVB fluid were evaluated, then the chondrogenesis and immunogenicity of the pellets were evaluated using gross observation, cell viability assays, histology, biochemical analysis, RT-PCR, and Western blots. Finally, cartilage repair and synovial inflammation were evaluated histologically. RESULTS The fluid color and transparency of the IVB were similar to synovial fluid (SF) and the components were closer to SF than serum. The IVB system not only promoted the synthesis of cartilage matrix and maintained the cartilage phenotype, it also delayed calcification compared to the subcutaneously implanted pellets. CONCLUSION The IVB adopted to study cell differentiation was effective in preventing host immune rejection.
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Affiliation(s)
- Xue Guang Li
- Department of Orthopaedic Surgery, Ajou University School of Medicine, San 5, Wonchon-dong, Youngtong-gu, Suwon, 16499, Republic of Korea
- Cell Therapy Center, Ajou University School of Medicine, San 5, Wonchon-dong, Youngtong-gu, Suwon, 16499, Republic of Korea
| | - In-Su Park
- Cell Therapy Center, Ajou University School of Medicine, San 5, Wonchon-dong, Youngtong-gu, Suwon, 16499, Republic of Korea
| | - Byung Hyune Choi
- Department of Biomedical Sciences, Inha University College of Medicine, 100, Inha-ro, Michuhol-gu, Incheon, 22212, Republic of Korea
| | - Ung-Jin Kim
- Graduate School of Biotechnology, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do, 17104, Republic of Korea
- Department of Plant and Environmental New Resources, College of Life Sciences, Kyung Hee University, 1 Seocheon-dong, Giheung-gu, Yongin-si, Gyeonggi-do, 17104, Republic of Korea
| | - Byoung-Hyun Min
- Department of Orthopaedic Surgery, Ajou University School of Medicine, San 5, Wonchon-dong, Youngtong-gu, Suwon, 16499, Republic of Korea.
- Cell Therapy Center, Ajou University School of Medicine, San 5, Wonchon-dong, Youngtong-gu, Suwon, 16499, Republic of Korea.
- Department of Molecular Science and Technology, Ajou University School of Medicine, San 5, Wonchon-dong, Youngtong-gu, Suwon, 16499, Republic of Korea.
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8
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Rucinski K, Cook JL, Crecelius CR, Stucky R, Stannard JP. Effects of Compliance With Procedure-Specific Postoperative Rehabilitation Protocols on Initial Outcomes After Osteochondral and Meniscal Allograft Transplantation in the Knee. Orthop J Sports Med 2019; 7:2325967119884291. [PMID: 31803790 PMCID: PMC6876180 DOI: 10.1177/2325967119884291] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background: Osteochondral and meniscal allograft transplantation have been performed in the knee for more than 40 years, with the number of patients treated each year growing as allograft quantity and quality increase. To date, the effects of postoperative management on outcomes after these procedures have received relatively little focus in the peer-reviewed literature. Hypothesis: Compliance with the recommended postoperative management protocol will be associated with significantly higher initial success and significantly lower revision and failure rates for patients undergoing osteochondral and/or meniscal allograft transplantation in the knee. Study Design: Cohort study; Level of evidence, 3. Methods: Patients were prospectively enrolled into a dedicated registry designed to follow outcomes after osteochondral and/or meniscal allograft transplantation. Patients were included when at least 1 year of follow-up data were available, including data on complications and reoperations, patient-reported outcome measures, compliance with rehabilitation, revisions, or failures, based on the electronic medical record and communication logs with patients’ outpatient physical therapists. Results: For patients meeting the inclusion criteria (N = 162), compliance with the prescribed procedure-specific postoperative management protocol was associated with significantly higher 1- to 3-year success and significantly lower revision and failure rates. Specifically, patients who were compliant were 6.3 times less likely to need allograft revision or total knee arthroplasty and 7.5 times more likely to have a successful outcome at 1 to 3 years after osteochondral and/or meniscal allograft transplantation. In addition to noncompliance, older patient age and higher body mass index were associated with inferior short-term outcomes in this cohort. Conclusion: These data suggest that compliance with procedure-specific postoperative rehabilitation protocols is associated with higher success, lower revision, and lower failure rates for patients undergoing osteochondral and meniscal allograft transplantation. Given these results showing the importance of these modifiable risk factors, our center has devoted resources to preoperative patient assessment and communication to provide education, set appropriate expectations, identify and address modifiable risk factors, impediments, and noncompliance, and monitor and adjust postoperative care as indicated.
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Affiliation(s)
- Kylee Rucinski
- Department of Orthopaedic Surgery, Thompson Laboratory for Regenerative Orthopaedics, Mizzou BioJoint Center, Missouri Orthopaedic Institute, University of Missouri, Columbia, Missouri, USA
| | - James L Cook
- Department of Orthopaedic Surgery, Thompson Laboratory for Regenerative Orthopaedics, Mizzou BioJoint Center, Missouri Orthopaedic Institute, University of Missouri, Columbia, Missouri, USA
| | - Cory R Crecelius
- Department of Orthopaedic Surgery, Thompson Laboratory for Regenerative Orthopaedics, Mizzou BioJoint Center, Missouri Orthopaedic Institute, University of Missouri, Columbia, Missouri, USA
| | - Renée Stucky
- Department of Orthopaedic Surgery, Thompson Laboratory for Regenerative Orthopaedics, Mizzou BioJoint Center, Missouri Orthopaedic Institute, University of Missouri, Columbia, Missouri, USA
| | - James P Stannard
- Department of Orthopaedic Surgery, Thompson Laboratory for Regenerative Orthopaedics, Mizzou BioJoint Center, Missouri Orthopaedic Institute, University of Missouri, Columbia, Missouri, USA
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Yin S, Zhang W, Zhang Z, Jiang X. Recent Advances in Scaffold Design and Material for Vascularized Tissue-Engineered Bone Regeneration. Adv Healthc Mater 2019; 8:e1801433. [PMID: 30938094 DOI: 10.1002/adhm.201801433] [Citation(s) in RCA: 142] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 02/24/2019] [Indexed: 12/21/2022]
Abstract
Bone tissue is a highly vascularized tissue and concomitant development of the vascular system and mineralized matrix requires a synergistic interaction between osteogenesis and angioblasts. Several strategies have been applied to achieve vascularized tissue-engineered bone, including the addition of cytokines as well as pre-vascularization strategies and co-culture systems. However, the scaffold is another extremely important component to consider, and development of vascularized bone scaffolds remains one of the greatest challenges for engineering clinically relevant bone substitutes. Here, this review highlights the biomaterial selection, preparation of pre-vascularized scaffolds, composition modification of the scaffold, structural design, and the comprehensive use of the above synergistic modifications of scaffold materials for vascular scaffolds in bone tissue engineering. Moreover, a strategy is proposed for the design of future scaffold structures, in which promoting the regeneration of vascularized bone by regulating the microenvironment should be the main focus. This overview can help illuminate progress in this field and identify the most recently developed scaffolds that show the greatest potential for achieving clinically vascularized bone.
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Affiliation(s)
- Shi Yin
- Department of ProsthodonticsShanghai Ninth People's HospitalCollege of StomatologyShanghai Jiao Tong University School of Medicine No. 639, Manufacturing Bureau Road Huangpu District Shanghai China
- Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology No. 639, Manufacturing Bureau Road Huangpu District Shanghai China
- Shanghai Engineering Research Center of Advanced Dental Technology and MaterialsNational Clinical Research Center of Stomatology Shanghai 200011 China
| | - Wenjie Zhang
- Department of ProsthodonticsShanghai Ninth People's HospitalCollege of StomatologyShanghai Jiao Tong University School of Medicine No. 639, Manufacturing Bureau Road Huangpu District Shanghai China
- Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology No. 639, Manufacturing Bureau Road Huangpu District Shanghai China
- Shanghai Engineering Research Center of Advanced Dental Technology and MaterialsNational Clinical Research Center of Stomatology Shanghai 200011 China
| | - Zhiyuan Zhang
- Shanghai Engineering Research Center of Advanced Dental Technology and MaterialsNational Clinical Research Center of Stomatology Shanghai 200011 China
| | - Xinquan Jiang
- Department of ProsthodonticsShanghai Ninth People's HospitalCollege of StomatologyShanghai Jiao Tong University School of Medicine No. 639, Manufacturing Bureau Road Huangpu District Shanghai China
- Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology No. 639, Manufacturing Bureau Road Huangpu District Shanghai China
- Shanghai Engineering Research Center of Advanced Dental Technology and MaterialsNational Clinical Research Center of Stomatology Shanghai 200011 China
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10
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Three-dimensional printing improves osteochondral allograft placement in complex cases. Knee Surg Sports Traumatol Arthrosc 2018; 26:3601-3605. [PMID: 29441429 DOI: 10.1007/s00167-018-4849-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 01/24/2018] [Indexed: 10/18/2022]
Abstract
The use of three-dimensional (3D) printing has seen a vast expansion over recent years, with an increased application for its use in orthopaedics. This report details the use of 3D printing technology to aid in the treatment of a medial femoral condyle osteochondral defect in a 26-year-old female who had previously undergone a failed autograft procedure. A preoperative computed tomography scan of the knee and chondral defect was used to generate a 3D printed, one-to-one scale replica of the distal femur. This replica was then used to size a patient-specific allograft plug for the osteochondral transplantation procedure. The patient recovered well, and 1 year postoperatively the allograft was well incorporated into the medial femoral condyle and healed. This report illustrates the advantages of using a 3D printed model to allow for tactile feedback and improved visualization that will allow for improved understanding of complex surgical procedures.Level of evidence V.
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Pisanu G, Cottino U, Rosso F, Blonna D, Marmotti AG, Bertolo C, Rossi R, Bonasia DE. Large Osteochondral Allografts of the Knee: Surgical Technique and Indications. JOINTS 2018; 6:42-53. [PMID: 29675506 PMCID: PMC5906123 DOI: 10.1055/s-0038-1636925] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Large osteochondral allograft (OCA) transplant has become a valid alternative to restore articular surface in challenging articular lesions in young and active patients, either in primary or in revision procedures. Several studies support the effectiveness and safety of OCA, but costs and graft availability limit their use. The indications are the treatment of symptomatic full-thickness cartilage lesions greater than 3 cm
2
, deep lesions with subchondral damage, or revision procedures when a previous treatment has failed. The goal of the transplant is to restore the articular surface with a biological implant, allow return to daily/sports activities, relieve symptoms, and delay knee arthroplasty. Grafts can be fresh, fresh-frozen, or cryopreserved; these different storage procedures significantly affect cell viability, immunogenicity, and duration of the storage. Dowel and shell technique are the two most commonly used procedures for OCA transplantation. While most cartilage lesions can be treated with the dowel technique, large and/or geometrically irregular lesions should be treated with the shell technique. OCA transplantation for the knee has demonstrated reliable mid- to long-term results in terms of graft survival and patient satisfaction. Best results are reported: in unipolar lesions, in patients younger than 30 years, in traumatic lesions and when the treatment is performed within 12 months from the onset of symptoms.
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Affiliation(s)
- Gabriele Pisanu
- Department of Orthopaedics and Traumatology, University of Study of Turin, Turin, Italy
| | - Umberto Cottino
- Department of Orthopaedics and Traumatology, University of Study of Turin, Turin, Italy
| | - Federica Rosso
- Department of Orthopaedics and Traumatology, University of Study of Turin, Turin, Italy
| | - Davide Blonna
- Department of Orthopaedics and Traumatology, University of Study of Turin, Turin, Italy
| | | | - Corrado Bertolo
- Department of Orthopaedics and Traumatology, University of Study of Turin, Turin, Italy
| | - Roberto Rossi
- Department of Orthopaedics and Traumatology, University of Study of Turin, Turin, Italy
| | - Davide E Bonasia
- Department of Orthopaedics and Traumatology, University of Study of Turin, Turin, Italy
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12
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Krettek C, Clausen JD, Bruns N, Neunaber C. Partielle und komplette Gelenktransplantation mit frischen osteochondralen Allografts – das FLOCSAT-Konzept. Unfallchirurg 2017; 120:932-949. [DOI: 10.1007/s00113-017-0426-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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Meyer MA, McCarthy MA, Gitelis ME, Poland SG, Urita A, Chubinskaya S, Yanke AB, Cole BJ. Effectiveness of Lavage Techniques in Removing Immunogenic Elements from Osteochondral Allografts. Cartilage 2017; 8:369-373. [PMID: 28934881 PMCID: PMC5613898 DOI: 10.1177/1947603516681132] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Objective This study aimed to compare standard saline lavage to combination saline and high-pressure carbon dioxide (CO2) lavage in removing marrow elements from osteochondral allografts. Design Six fresh hemicondyles were obtained. Three osteochondral allograft plugs (15-mm diameter, 6-mm depth) were harvested from each hemicondyle and randomized to 1 of 3 treatment arms: A, no lavage; B, 1 L standard saline lavage; C, simultaneous saline (1 L) and 1-minute high-pressure CO2 lavage. After hematoxylin and eosin staining, a "percentage fill" of remaining marrow elements was calculated for each overall sample and then repeated in 3 distinct compartments for each sample based on depth from surface: 1, deepest third; 2, middle third; and 3, most superficial third. Trial arms B and C were compared with 1-tailed Student t tests. Results Group A had an overall percentage fill of 51.2% ± 8.8%. While both lavage techniques decreased overall remaining marrow elements, group B yielded significantly higher percentages of remaining marrow elements than group C (28.6% ± 16.5%, 14.6% ± 8.7%, P = 0.045). On depth analysis, group A exhibited homogenous filling of trabecular space (63.0% ± 15.5%, 67.6% ± 13.7%, and 55.2% ± 10.1% in zones 1, 2, and 3, respectively). Both lavage arms equally removed marrow elements from superficial zone 3 (B, 17.4% ± 9.2%; C, 15.6% ± 12.4%, P = 0.41) and middle zone 2 (B, 30.2% ± 17.7%; C, 21.4% ± 15.5%, P = 0.18). However, group C lavage removed significantly more marrow elements in deep zone 1 than group B (29.7% ± 10.9%, 58.5% ± 25.2%, P = 0.01). Conclusion Combination saline and high-pressure CO2 lavage more effectively clears marrow elements from osteochondral allografts than saline alone.
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Affiliation(s)
- Maximilian A. Meyer
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Mark A. McCarthy
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Matthew E. Gitelis
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Sarah G. Poland
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Atsushi Urita
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Susan Chubinskaya
- Department of Pediatrics, Rush University Medical Center, Chicago, IL, USA
| | - Adam B. Yanke
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Brian J. Cole
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL, USA,Brian J. Cole, Midwest Orthopaedics at Rush, 1611 West Harrison Street, Suite 300, Chicago, IL 60612, USA.
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Kane MS, Lau K, Crawford DC. Rehabilitation and Postoperative Management Practices After Osteochondral Allograft Transplants to the Distal Femur: A Report From the Metrics of Osteochondral Allografts (MOCA) Study Group 2016 Survey. Sports Health 2017; 9:555-563. [PMID: 28719761 PMCID: PMC5665113 DOI: 10.1177/1941738117717011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Context: We present the current spectrum of postoperative management practices for patients receiving distal femur osteochondral allograft (OCA) transplants. Evidence Acquisition: The Joint Restoration Foundation database was examined in cooperation with the Metrics of Osteochondral Allografts study group to identify 121 surgeons who had performed at least 1 OCA transplant in the past year; 63% of surgeons responded. Study Design: Clinical survey. Level of Evidence: Level 3. Results: Postoperative weightbearing restrictions ranged from immediate nonweightbearing with full weightbearing by 12 weeks to immediate weightbearing as tolerated. Most surgeons who performed fewer (<10) OCA transplants per year followed the most restrictive protocol, while surgeons who performed more (>20) OCA transplants per year followed the least restrictive protocol. One-third of surgeons with the most restrictive protocol were more likely to change their protocol to be less restrictive over time, while none of those with the least restrictive protocol changed their protocol over time. Fifty-five percent of surgeons permitted return to full activity at 26 weeks, while 27% of surgeons lifted restrictions at 16 weeks. Conclusion: Characterization of the spectrum of postoperative management practices after OCA transplantation provides a foundation for future investigations regarding patient outcomes and associated cost to establish best practice guidelines. Fundamentally, surgeons with more experience with this procedure tended to be more aggressive with their postoperative rehabilitation guidelines. Most commonly, rehabilitation provided for some degree of limited weightbearing; however, the spectrum also included immediate full weightbearing practices.
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Affiliation(s)
- Marie S Kane
- Department of Orthopaedics & Rehabilitation, Oregon Health & Science University, Portland, Oregon
| | - Karlee Lau
- Department of Orthopaedics & Rehabilitation, Oregon Health & Science University, Portland, Oregon
| | - Dennis C Crawford
- Department of Orthopaedics & Rehabilitation, Oregon Health & Science University, Portland, Oregon
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Tschon M, Veronesi F, Giannini S, Fini M. Fresh osteochondral allotransplants: Outcomes, failures and future developments. Injury 2017; 48:1287-1295. [PMID: 28551052 DOI: 10.1016/j.injury.2017.05.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Osteochondral allografts are used to treat many different conditions as acute traumatic large-sized lesions, degenerative osteoarthritis, osteochondritis dissecans, avascular necrosis or in case of failure of previous procedures particularly in young patients for whom primary prosthesis is not desirable. Fresh allografts present the advantage of having mature viable hyaline cartilage, not causing donor morbidity, allowing the restoration of even large defects in a single surgical session. Conversely, they could account for risks of disease transmission, immunologic reactions, and for limited availability. The present review aimed to analyze published studies of the last decade in which patients received fresh osteochondral allografts by dividing them for knee or ankle regenerative purposes. We wish to report the observed failure rates and particularly to collect any other reported side effect or outcome for identifying major problems and limits linked to the procedure and for delineating possible future researches and approaches. The overall success rates resulted ranging from 5.3% to 48.3% in the ankle at a mean follow up of 3.3 years and from 0% to 85.7% in the knee at a mean follow up of 7.1 years. Among other outcomes, occurrence or progression of arthritis, osteolysis, graft instability, fractures, nonunions, edema and infections were recorded. Overall, the lack of well designed randomized and controlled clinical trials, of immunological determination of the anti-donor antibodies development and of local and systemic biomarkers to detect reaction to the graft seems to be the major drawback. Improvements in these limiting factors might be desirable in order to enhance the clinical scenario of a well-established and successful procedure to give, especially for young patients, a real regeneration of the joint.
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Affiliation(s)
- M Tschon
- Laboratory of Preclinical and Surgical Studies, Rizzoli Orthopaedic Institute, via di Barbiano 1/10, 40136 Bologna, Italy
| | - F Veronesi
- Laboratory of Preclinical and Surgical Studies, Rizzoli Orthopaedic Institute, via di Barbiano 1/10, 40136 Bologna, Italy
| | - S Giannini
- Biomedical and Neuromotor Sciences Department, University of Bologna, Via Ugo Foscolo, 7, 40123 Bologna, Italy
| | - M Fini
- Laboratory of Preclinical and Surgical Studies, Rizzoli Orthopaedic Institute, via di Barbiano 1/10, 40136 Bologna, Italy.
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16
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Lim CL, Lee YJ, Cho JH, Choi H, Lee B, Lee MC, Kim S. Immunogenicity and immunomodulatory effects of the human chondrocytes, hChonJ. BMC Musculoskelet Disord 2017; 18:199. [PMID: 28521800 PMCID: PMC5437658 DOI: 10.1186/s12891-017-1547-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Accepted: 05/04/2017] [Indexed: 01/15/2023] Open
Abstract
Background Invossa™ (TissueGene-C) is a cell and gene therapy for osteoarthritis. It is composed of primary human chondrocytes (hChonJ cells) and irradiated human chondrocytes modified to express TGF-β1 (hChonJb#7 cells). The hChonJ cells were isolated from a polydactyly donor, and TGF-β1 cDNA was delivered to the cells, generating hChonJb#7 cells. Since the cells are allogeneic, the concern of immune response against cells has been raised. In this study, we investigated the immunogenicity of allogenic human chondrocyte, hChonJ cells. Methods The immunological properties of hChonJ cells were investigated through the analysis of surface marker expression and the effect on allogeneic T cell proliferation. Flow cytometry and RT-PCR analysis were performed to analyze the surface marker expression related to immune response, such as major histocompatibility complex (MHC) class I, class II, T cell co-stimulatory molecules and T cell co-inhibitory molecules. A mixed lymphocyte reaction (MLR) was conducted to evaluate how allogeneic T cells would respond to hChonJ cells. Results We observed that hChonJ cells did not express MHC class II and T cell co-stimulatory molecules, but expressed T cell co-inhibitory molecule PD-L2. IFN-γ treatment induced the expression of PD-L1, and up-regulated the expression of PD-L2. Also, we observed that hChonJ cells did not stimulate T cell proliferation from a MHC-mismatched donor. Further, they could suppress the proliferation of activated T cells. We also observed that the blockade of PD-L1 and/or PD-L2 with specific neutralizing antibody could lead to the restoration of allo-reactive T cell proliferation. Conclusions We showed that hChonJ cells were not immunogenic but immunosuppressive, and that this phenomenon was mediated by co-inhibitory molecules PD-L1 and PD-L2 on hChonJ cells in a contact-dependent manner. Electronic supplementary material The online version of this article (doi:10.1186/s12891-017-1547-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Chae-Lyul Lim
- Institute of BioInnovation Research, Kolon Life Science, Inc., Gasan-dong, Geumcheon-gu, Seoul, Korea.,Present Address: T Cell Therapy Unit, Eutilex Research Institute of Biomedicine, Gasan-dong, Geumcheon-gu, Seoul, Korea
| | - Yeon-Ju Lee
- Institute of BioInnovation Research, Kolon Life Science, Inc., Gasan-dong, Geumcheon-gu, Seoul, Korea
| | - Jong-Ho Cho
- Institute of BioInnovation Research, Kolon Life Science, Inc., Gasan-dong, Geumcheon-gu, Seoul, Korea
| | - Heonsik Choi
- Institute of BioInnovation Research, Kolon Life Science, Inc., Gasan-dong, Geumcheon-gu, Seoul, Korea
| | - Bumsup Lee
- Institute of BioInnovation Research, Kolon Life Science, Inc., Gasan-dong, Geumcheon-gu, Seoul, Korea
| | - Myung Chul Lee
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Sujeong Kim
- Institute of BioInnovation Research, Kolon Life Science, Inc., Gasan-dong, Geumcheon-gu, Seoul, Korea.
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Tírico LEP, Demange MK, Santos LAU, Pécora JR, Croci AT, Camanho GL. Transplante osteocondral a fresco no joelho no Brasil: mínimo de dois anos de seguimento. Rev Bras Ortop 2017. [DOI: 10.1016/j.rbo.2016.04.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Tírico LEP, Demange MK, Santos LAU, Pécora JR, Croci AT, Camanho GL. Fresh osteochondral knee allografts in Brazil with a minimum two-year follow-up. REVISTA BRASILEIRA DE ORTOPEDIA (ENGLISH EDITION) 2017; 52:75-81. [PMID: 28194385 PMCID: PMC5290126 DOI: 10.1016/j.rboe.2016.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Accepted: 04/11/2016] [Indexed: 11/18/2022]
Abstract
Objective The present study aimed to report the results of the first series of cases of fresh ostechondral allografts in the knee joint in Brazil with a minimum follow-up of two years. Methods A protocol of procurement, harvesting, processing, and utilization of fresh osteochondral allografts in the knee joint was established, beginning with legislation modifications, graft harvesting techniques, immediate processing, storage of fresh grafts, and utilization of two surgical techniques of osteochondral transplantation. Eight patients were treated and followed-up for a minimum of two years. Results Patients were evaluated with subjective IKDC, KOOS, and modified Merle D’Aubigne and Postel questionnaires. Mean subjective IKDC score was 31.99 ± 13.4 preoperative and 81.26 ± 14.7 at the latest follow-up; preoperative KOOS score was 46.8 ± 20.9 and postoperative was 85.24 ± 13.9, indicating a significant improvement over time (p < 0.01). Mean modified Merle D’Aubigne-Postel score was 8.75 ± 2.25, preoperatively, and 16.1 ± 2.59 postoperatively. Friedman test for non-parametric samples demonstrated a significant improvement in postoperative scores (p < 0.01). Conclusion The use of fresh osteochondral allografts in Brazil is a safe procedure, with good clinical results in the short- and medium-term for the treatment of osteochondral lesions greater than 4 cm2 in the knee joint.
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Popa EG, Reis RL, Gomes ME. Seaweed polysaccharide-based hydrogels used for the regeneration of articular cartilage. Crit Rev Biotechnol 2016; 35:410-24. [PMID: 24646368 DOI: 10.3109/07388551.2014.889079] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
This manuscript provides an overview of the in vitro and in vivo studies reported in the literature focusing on seaweed polysaccharides based hydrogels that have been proposed for applications in regenerative medicine, particularly, in the field of cartilage tissue engineering. For a better understanding of the main requisites for these specific applications, the main aspects of the native cartilage structure, as well as recognized diseases that affect this tissue are briefly described. Current available treatments are also presented to emphasize the need for alternative techniques. The following part of this review is centered on the description of the general characteristics of algae polysaccharides, as well as relevant properties required for designing hydrogels for cartilage tissue engineering purposes. An in-depth overview of the most well known seaweed polysaccharide, namely agarose, alginate, carrageenan and ulvan biopolymeric gels, that have been proposed for engineering cartilage is also provided. Finally, this review describes and summarizes the translational aspect for the clinical application of alternative systems emphasizing the importance of cryopreservation and the commercial products currently available for cartilage treatment.
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Affiliation(s)
- Elena Geta Popa
- a 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine , AvePark , Guimarães , Portugal and
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Hohmann E, Tetsworth K. Large osteochondral lesions of the femoral condyles: Treatment with fresh frozen and irradiated allograft using the Mega OATS technique. Knee 2016; 23:436-41. [PMID: 26919759 DOI: 10.1016/j.knee.2016.01.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 01/22/2016] [Accepted: 01/27/2016] [Indexed: 02/02/2023]
Abstract
BACKGROUND The purpose of this study was to review the clinical results of irradiated fresh frozen osteochondral allografts for large osteochondral defects of the knee using the Mega-OATS technique. METHODS Nine patients with a mean age of 32.1±6.6 (18 to 44) underwent Mega-OATS transplantation with irradiated (2.5Mrad), fresh frozen distal femur allograft. Three patients also underwent ACL-reconstruction; one patient a high tibial osteotomy. The underlying indication was osteochondrosis dissecans in four and trauma in five patients. The defect size was 25×25mm in three patients and 30×30 in six patients and the depth ranged from eight to 14mm. All OCD lesions were located on the medial femoral condyle; two of the traumatic lesions were located on the lateral femoral condyle. Clinical outcome was assessed using the Lysholm and IKDC scores. Radiographic incorporation was evaluated using serial radiographs and MR imaging at one year post surgery. All patients were reviewed at three, six, 12, and 24months following surgery. RESULTS The Lysholm (IKDC) score improved significantly (p=0.02 resp. p=0.007) within and between patients during the follow-up period from 40.9 (37) to 90.9 (87.1) at 2years. Radiographic union was observed in all patients at three months; on MR imaging at one year osseous integration was observed in eight patients. Graft subsidence with loss of the overlying cartilage was observed in one and subchondral cystic changes at the implantation side were seen in another patient. CONCLUSION The results of this case series suggest that irradiated osteochondral allograft provides significant medium-term clinical improvement in patients treated for large osteochondral lesions of the femoral condyles. LEVEL OF EVIDENCE IV, case series.
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Affiliation(s)
- Erik Hohmann
- Department of Orthopaedic Surgery, Clinical Medical School, University of Queensland, Australia; Musculoskeletal Research Unit, CQ University, Rockhampton, Australia.
| | - Kevin Tetsworth
- Department of Orthopaedic Surgery, Royal Brisbane Hospital, Herston, Australia; Department of Surgery, School of Medicine, University of Queensland, Australia
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Mickevicius T, Pockevicius A, Kucinskas A, Gudas R, Maciulaitis J, Noreikaite A, Usas A. Impact of storage conditions on electromechanical, histological and histochemical properties of osteochondral allografts. BMC Musculoskelet Disord 2015; 16:314. [PMID: 26497227 PMCID: PMC4619008 DOI: 10.1186/s12891-015-0776-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Accepted: 10/15/2015] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Osteochondral allograft transplantation has a good clinical outcome, however, there is still debate on optimization of allograft storage protocol. Storage temperature and nutrient medium composition are the most critical factors for sustained biological activity of grafts before implantation. In this study, we performed a time-dependent in vitro experiment to investigate the effect of various storage conditions on electromechanical, histological and histochemical properties of articular cartilage. METHODS Osteochondral grafts derived from goat femoral condyles were frozen at -70 °C or stored at 4 °C and 37 °C in the medium supplemented with or without insulin-like growth factor-1 (IGF-1). After 14 and 28 days the cartilage samples were quantitatively analysed for electromechanical properties, glycosaminoglycan distribution, histological structure, chondrocyte viability and apoptosis. The results were compared between the experimental groups and correlations among different evaluation methods were determined. RESULTS Storage at -70 °C and 37 °C significantly deteriorated cartilage electromechanical, histological and histochemical properties. Storage at 4 °C maintained the electromechanical quantitative parameter (QP) and glycosaminoglycan expression near the normal levels for 14 days. Although hypothermic storage revealed reduced chondrocyte viability and increased apoptosis, these parameters were superior compared with the storage at -70 °C and 37 °C. IGF-1 supplementation improved the electromechanical QP, chondrocyte viability and histological properties at 37 °C, but the effect lasted only 14 days. Electromechanical properties correlated with the histological grading score (r = 0.673, p < 0.001), chondrocyte viability (r = -0.654, p < 0.001) and apoptosis (r = 0.416, p < 0.02). In addition, apoptosis correlated with glycosaminoglycan distribution (r = -0.644, p < 0.001) and the histological grading score (r = 0.493, p = 0.006). CONCLUSIONS Our results indicate that quality of allografts is better preserved at currently established 4 °C storage temperature. Storage at -70 °C or at 37 °C is unable to maintain cartilage function and metabolic activity. IGF-1 supplementation at 37 °C can enhance chondrocyte viability and improve electromechanical and histological properties of the cartilage, but the impact persists only 14 days. The correlations between cartilage electromechanical quantitative parameter (QP) and metabolic activity were detected. Our findings indicate that non-destructive assessment of cartilage by Arthro-BST is a simple and reliable method to evaluate allograft quality, and could be routinely used before implantation.
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Affiliation(s)
- Tomas Mickevicius
- Department of Orthopaedics and Traumatology, Hospital of Lithuanian University of Health Sciences Kaunas Clinics, Kaunas, Lithuania
| | - Alius Pockevicius
- Pathology Center, Department of Infectious Diseases, Veterinary Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Audrius Kucinskas
- Large Animal Clinic, Veterinary Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Rimtautas Gudas
- Department of Orthopaedics and Traumatology, Hospital of Lithuanian University of Health Sciences Kaunas Clinics, Kaunas, Lithuania
- Institute of Sports, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Justinas Maciulaitis
- Department of Orthopaedics and Traumatology, Hospital of Lithuanian University of Health Sciences Kaunas Clinics, Kaunas, Lithuania
- Institute of Sports, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Aurelija Noreikaite
- Institute of Physiology and Pharmacology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Arvydas Usas
- Institute of Physiology and Pharmacology, Lithuanian University of Health Sciences, Kaunas, Lithuania.
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Li S, Yang X, Tang S, Zhang X, Feng Z, Cui S. Repair of massively defected hemi-joints using demineralized osteoarticular allografts with protected cartilage. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2015; 26:227. [PMID: 26319778 DOI: 10.1007/s10856-015-5557-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2015] [Accepted: 08/06/2015] [Indexed: 06/04/2023]
Abstract
Surgical replacement of massively defected joints necessarily relies on osteochondral grafts effective to both of bone and cartilage. Demineralized bone matrix (DBM) retains the osteoconductivity but destroys viable chondrocytes in the cartilage portion essential for successful restoration of defected joints. This study prepared osteochondral grafts of DBM with protected cartilage. Protected cartilage portions was characterized by cellular and molecular biology and the grafts were allogenically used for grafting. Protected cartilage showed similar histomorphological structure and protected proteins estimated by total proteins and cartilage specific proteins as in those of fresh controls when DBMs were generated in bone portions. Such grafts were successfully used for simultaneously repair of bone and cartilage in massively defected osteoarticular joints within 16 weeks post-surgery. These results present an allograft with clinical potential for simultaneous restoration of bone and cartilage in defected joints.
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Affiliation(s)
- Siming Li
- Guangzhou Institute of Traumatic Surgery, The Fourth Affiliated Hospital, Jinan University School of Medicine, 396 Tongfu Zhonglu Road, Haizhu District, Guangzhou, 510220, Guangdong Province, People's Republic of China,
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Kay A, Hoyland J, Rooney P, Kearney J, Pegg D. A liquidus tracking approach to the cryopreservation of human cartilage allografts. Cryobiology 2015; 71:77-84. [DOI: 10.1016/j.cryobiol.2015.05.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Revised: 05/16/2015] [Accepted: 05/18/2015] [Indexed: 10/23/2022]
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Approaches to preserve human osteochondral allografts. Cell Tissue Bank 2014; 16:425-31. [PMID: 25479814 DOI: 10.1007/s10561-014-9486-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Accepted: 12/02/2014] [Indexed: 10/24/2022]
Abstract
Osteochondral defects may progress to osteoarthritis. Many attempts have been developed to overcome this issue, including osteochondral autografts and allografts. The goal of this study was to develop a new protocol for storage of human osteochondral allografts. Osteochondral plugs were randomly allocated in the following groups: control, immediate freezing up to -70 °C, cooling at 4 °C, and storage at 37 °C. Samples from the cooling at 4 °C and storage at 37 °C groups were stored in tubes containing medium plus human albumin and analyzed after 1, 3, and 14 days. The frozen groups' samples were cryopreserved for 1 year in cryotubes containing medium only (FM), medium plus human albumin (FA), and medium plus human albumin and glucose (FG) and were then analyzed. Analysis involved histological study with hematoxylin-eosin and Safranin O and a modified Live/Dead assay. In samples stored both at 37 and 4 °C, analysis showed statistically significant higher cellular mortality at 14 days compared to 1 and 3 days, but mortality in the 4 °C group was lower. In the freezing protocols, the FA group showed less cellular mortality than the FM and FG groups. Cooling at 4 °C offers better preservation capacity than storage at 37 °C, but both offer the capacity for preservation for 14 days. Adding human albumin to the storage medium is useful in reducing cellular mortality in samples frozen for 1 year.
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Nicolini AP, Carvalho RT, Dragone B, Lenza M, Cohen M, Ferretti M. Updates in biological therapies for knee injuries: full thickness cartilage defect. Curr Rev Musculoskelet Med 2014; 7:256-62. [PMID: 25012907 PMCID: PMC4596164 DOI: 10.1007/s12178-014-9226-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Full thickness cartilage defect might occur at different ages, but a focal defect is a major concern in the knee of young athletes. It causes impairment and does not heal by itself. Several techniques were described to treat symptomatic full thickness cartilage defect. Recently, several advances were described on the known techniques of microfracture, osteochondral allograft, cell therapy, and others. This article brings an update of current literature on these well-described techniques for full thickness cartilage defect.
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Affiliation(s)
- Alexandre Pedro Nicolini
- />Division of Orthopaedic Surgery, Hospital Israelita Albert Einstein, Avenida Albert Einstein, 627/701 - 3 Andar/Bloco A1, Morumbi, 05651-901 São Paulo, SP Brazil
- />Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP Brazil
| | - Rogerio Teixeira Carvalho
- />Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP Brazil
| | - Bruno Dragone
- />Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP Brazil
| | - Mario Lenza
- />Division of Orthopaedic Surgery, Hospital Israelita Albert Einstein, Avenida Albert Einstein, 627/701 - 3 Andar/Bloco A1, Morumbi, 05651-901 São Paulo, SP Brazil
- />Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP Brazil
| | - Moises Cohen
- />Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP Brazil
| | - Mario Ferretti
- />Division of Orthopaedic Surgery, Hospital Israelita Albert Einstein, Avenida Albert Einstein, 627/701 - 3 Andar/Bloco A1, Morumbi, 05651-901 São Paulo, SP Brazil
- />Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP Brazil
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Gagala J, Tarczynska M, Gaweda K, Matuszewski L. The use of osteochondral allograft with bone marrow-derived mesenchymal cells and hinge joint distraction in the treatment of post-collapse stage of osteonecrosis of the femoral head. Med Hypotheses 2014; 83:398-400. [PMID: 25081504 DOI: 10.1016/j.mehy.2014.07.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Accepted: 07/11/2014] [Indexed: 01/12/2023]
Abstract
Osteonecrosis of the femoral head is an entity which occurs mainly in young and active patients aged between 20 and 50. The success of hip joint preserving treatments ranges from 15% to 50% depending on the stage and amount of osteonecrotic lesion. Total hip replacement is indicated in late post-collapse hips but it has unsatisfactory survival because of the wear and osteolysis in young and active patients. Osteochondral allografts have been reported in the treatment of large articular lesions with defects in underlying bone in knee, talus and shoulder. By combining osteoconductive properties of osteochondral allograft with osteogenic abilities of bone marrow-derived mesenchymal cells it has a potential to be an alternative to an autologous graft. The adjunct of hinged joint distraction should minimize stresses in subchondral bone to promote creeping substitution and prevent femoral head collapse. Unlike current treatment modalities, it would provide both structural support and allow bony and articular substitution.
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Affiliation(s)
- J Gagala
- Orthopaedic and Traumatology Department, Medical University of Lublin, ul. Dr K Jaczewskiego 8, 20-954 Lublin, Poland.
| | - M Tarczynska
- Orthopaedic and Traumatology Department, Medical University of Lublin, ul. Dr K Jaczewskiego 8, 20-954 Lublin, Poland
| | - K Gaweda
- Orthopaedic and Traumatology Department, Medical University of Lublin, ul. Dr K Jaczewskiego 8, 20-954 Lublin, Poland
| | - L Matuszewski
- Paediatric Orthopaedic and Rehabilitation Department, Medical University of Lublin, ul. Dr W Chodźki 2, 20-093 Lublin, Poland
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Preparation of three-dimensional vascularized MSC cell sheet constructs for tissue regeneration. BIOMED RESEARCH INTERNATIONAL 2014; 2014:301279. [PMID: 25110670 PMCID: PMC4119697 DOI: 10.1155/2014/301279] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Revised: 04/03/2014] [Accepted: 04/18/2014] [Indexed: 01/27/2023]
Abstract
Engineering three-dimensional (3D) vascularized constructs remains a challenge due to the inability to form rich microvessel networks. In this study we engineered a prevascularized 3D cell sheet construct for tissue regeneration using human bone marrow-derived mesenchymal stem cells (hMSCs) and human umbilical vein endothelial cells as cell sources. hMSCs were cultured to form a thick cell sheet, and human umbilical vein endothelial cells (HUVECs) were then seeded on the hMSCs sheet to form networks. The single prevascularized HUVEC/hMSC cell sheet was folded to form a 3D construct by a modified cell sheet engineering technique. In vitro results indicated that the hMSCs cell sheet promoted the HUVECs cell migration to form networks in horizontal and vertical directions. In vivo results showed that many blood vessels grew into the 3D HUVEC/hMSC cell sheet constructs after implanted in the subcutaneous pocket of immunodeficient mice. The density of blood vessels in the prevascularized constructs was higher than that in the nonprevascularized constructs. Immunohistochemistry staining further showed that in vitro preformed human capillaries in the prevascularized constructs anastomosed with the host vasculature to form functional blood vessels. These results suggest the promising potential of this 3D prevascularized construct using hMSCs cell sheet as a platform for wide applications in engineering vascularized tissues.
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Kang Y, Ren L, Yang Y. Engineering vascularized bone grafts by integrating a biomimetic periosteum and β-TCP scaffold. ACS APPLIED MATERIALS & INTERFACES 2014; 6:9622-9633. [PMID: 24858072 PMCID: PMC4075998 DOI: 10.1021/am502056q] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Accepted: 05/23/2014] [Indexed: 05/29/2023]
Abstract
Treatment of large bone defects using synthetic scaffolds remain a challenge mainly due to insufficient vascularization. This study is to engineer a vascularized bone graft by integrating a vascularized biomimetic cell-sheet-engineered periosteum (CSEP) and a biodegradable macroporous beta-tricalcium phosphate (β-TCP) scaffold. We first cultured human mesenchymal stem cells (hMSCs) to form cell sheet and human umbilical vascular endothelial cells (HUVECs) were then seeded on the undifferentiated hMSCs sheet to form vascularized cell sheet for mimicking the fibrous layer of native periosteum. A mineralized hMSCs sheet was cultured to mimic the cambium layer of native periosteum. This mineralized hMSCs sheet was first wrapped onto a cylindrical β-TCP scaffold followed by wrapping the vascularized HUVEC/hMSC sheet, thus generating a biomimetic CSEP on the β-TCP scaffold. A nonperiosteum structural cell sheets-covered β-TCP and plain β-TCP were used as controls. In vitro studies indicate that the undifferentiated hMSCs sheet facilitated HUVECs to form rich capillary-like networks. In vivo studies indicate that the biomimetic CSEP enhanced angiogenesis and functional anastomosis between the in vitro preformed human capillary networks and the mouse host vasculature. MicroCT analysis and osteocalcin staining show that the biomimetic CSEP/β-TCP graft formed more bone matrix compared to the other groups. These results suggest that the CSEP that mimics the cellular components and spatial configuration of periosteum plays a critical role in vascularization and osteogenesis. Our studies suggest that a biomimetic periosteum-covered β-TCP graft is a promising approach for bone regeneration.
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Affiliation(s)
- Yunqing Kang
- Department
of Orthopedic Surgery, Stanford University 300 Pasteur Drive, Stanford, California 94305, United States
| | - Liling Ren
- Department
of Orthopedic Surgery, Stanford University 300 Pasteur Drive, Stanford, California 94305, United States
- School
of Stomatology, Lanzhou University 199 Donggang West Road, Lanzhou, Gansu 730000, China
| | - Yunzhi Yang
- Department
of Orthopedic Surgery, Stanford University 300 Pasteur Drive, Stanford, California 94305, United States
- Department
of Materials Science and Engineering, Stanford
University, 300 Pasteur
Drive, Stanford, California 94305, United States
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Fagan R, Furey AJ. Use of large osteochondral allografts in reconstruction of traumatic uncontained distal femoral defects. J Orthop 2014; 11:43-7. [PMID: 24719533 DOI: 10.1016/j.jor.2013.12.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2013] [Accepted: 12/07/2013] [Indexed: 11/25/2022] Open
Abstract
UNLABELLED Large osteoarticular injuries with subchondral bone loss involving the knee in young active patients often result in significant morbidity and loss of normal joint function. A review of the current literature reveals that multiple surgical management options are currently employed, however there is no consensus on standard of care. Osteochondral allografting provides an attractive alternative treatment option for the repair of large articular defects of the knee. METHODS In this article we present the case of a young male who suffered traumatic intraarticular bone loss secondary to a grade IIIA distal femoral fracture and subsequently underwent reconstruction of his medial femoral condyle using a fresh-frozen osteochondral allograft. RESULTS We present the radiographic and functional outcome of this patient at two years post-operative. The range of motion of the knee was 0-130° and the patient's post-operative functional outcome was evaluated using the Knee injury and Osteoarthritis Outcome Score (KOOS), which was 76%. CONCLUSIONS While further research is required, the results of our case study concur with the current body of literature supporting the use of fresh-frozen osteochondral allograft as a reconstructive option for treating large traumatic intraarticular lesions involving the distal femur.
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Affiliation(s)
- Richard Fagan
- Faculty of Medicine, Memorial University of Newfoundland, St. John's, NL, Canada
| | - Andrew J Furey
- Orthopaedic Traumatology, Discipline of Surgery, Faculty of Medicine, Memorial University of Newfoundland, Health Sciences Centre, St. John's, NL A1B 3V6, Canada
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Rios D, Jansson KS, Martetschläger F, Boykin RE, Millett PJ, Wijdicks CA. Normal curvature of glenoid surface can be restored when performing an inlay osteochondral allograft: an anatomic computed tomographic comparison. Knee Surg Sports Traumatol Arthrosc 2014; 22:442-7. [PMID: 23344118 DOI: 10.1007/s00167-013-2391-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2012] [Accepted: 01/07/2013] [Indexed: 11/29/2022]
Abstract
PURPOSE The purpose of this study was to quantitatively measure the morphology of the glenoid and to assess feasibility of using the medial tibial plateau surface as a donor for osteoarticular allograft reconstruction of the glenoid. METHODS Using computed tomography (CT), 10 tibias and 10 scapular models from our database (5 males and 5 females in each group) were randomly selected. Commercial software (Mimics, Materialize, Inc., Plymouth, MI) was used to extract the bone contours from the CT images and to reconstruct the 3-dimensional (3D) geometry of the scapula and tibia. By utilizing the software Creo Elements/Pro 5.0 (Parametric Technology Corp., Needham, MA), mean length and width of both the glenoid and medial tibial plateau were calculated. Radius of curvature was then measured in each 3D CT model at three intermediate segment points that were established within the length line at 25, 50, and 75 percent from superior to inferior in the glenoid and from posterior to anterior in the medial tibial plateau. Statistical analysis was performed and determined to be significant for P < 0.05. RESULTS The mean (± SD) radius of curvature values at the established 25, 50, and 75 percent segments of the glenoid were 47.4 ± 17.5 mm, 51.2 ± 12.4 mm, and 45.9 ± 17.0 mm, respectively. For the medial tibial plateau, the radius of curvature at 25, 50, and 75 percent were 43.5 ± 9.7 mm, 37.4 ± 14.3 mm and 52.3 ± 21.5 mm, respectively. Values of the glenoid length were 34.0 ± 2.9 mm, and width values were 24.4 ± 2.3 mm. For the medial tibial plateau, the length was 42.6 ± 2.7 mm, and the width was 23.3 ± 4.3 mm. There was no statistical difference in the radius of curvature and dimensional surface area between the glenoid and medial tibial plateau surfaces. CONCLUSION The 3D CT-based anatomic study found that there is a statistically similar relationship in the radius of curvature of the glenoid and the medial tibial plateau surface. This concept may allow the medial tibial plateau to be used as a donor for osteoarticular allograft reconstruction of the glenoid, especially in young patients where previous studies have demonstrated that the success rate in shoulder replacements is not as good as in older patients.
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Affiliation(s)
- Daniel Rios
- Department of BioMedical Engineering, Steadman Philippon Research Institute (SPRI), 181 W. Meadow Drive, Suite 1000, Vail, CO, 81657, USA
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Onuma K, Urabe K, Naruse K, Uchida K, Itoman M. Allogenic serum improves cold preservation of osteochondral allografts. Clin Orthop Relat Res 2012; 470:2905-14. [PMID: 22095130 PMCID: PMC3441994 DOI: 10.1007/s11999-011-2182-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2011] [Accepted: 11/07/2011] [Indexed: 01/31/2023]
Abstract
BACKGROUND Although several types of culture medium have been used for preservation of osteochondral allografts, the viability of chondrocytes decreases with increasing storage duration. We previously showed the University of Wisconsin solution is more suitable for graft preservation than culture medium. QUESTIONS/PURPOSES We determined whether the addition of allogenic serum to University of Wisconsin solution increases chondrocyte survival during prolonged storage of osteochondral allografts. METHODS Osteochondral tissue samples harvested from the distal femora of rats were preserved in University of Wisconsin solution supplemented with 0%, 1%, 10%, and 50% allogenic serum at 4 °C for 14 days. Cell viability and chondrocyte degenerative changes of the samples then were assessed using a tetrazolium assay and histologic methods. We also evaluated time-dependent changes in cell viability and histologic findings of samples preserved for 7, 14, and 21 days in University of Wisconsin solution supplemented with or without 10% allogenic serum. RESULTS After 14 days of preservation, osteochondral tissue samples maintained in University of Wisconsin solution containing 10% or greater allogenic serum exhibited the highest cell viability and lowest degenerative changes in chondrocytes. In the evaluation of time-dependent changes, we found the chondrocyte degenerative changes were greater in cartilage preserved in University of Wisconsin solution alone than in University of Wisconsin solution containing 10% allogenic serum after day 7 or later. CONCLUSIONS Our results suggest the addition of 10% allogenic serum to University of Wisconsin solution enhances viability of osteochondral tissue samples. CLINICAL RELEVANCE The use of allogenic serum-supplemented University of Wisconsin solution is expected to prolong the duration of osteochondral allograft storage and result in higher-quality grafts.
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Affiliation(s)
- Kenji Onuma
- Department of Orthopaedic Surgery, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0374 Japan
| | - Ken Urabe
- Department of Orthopaedic Surgery, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0374 Japan
| | - Kouji Naruse
- Department of Orthopaedic Surgery, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0374 Japan
| | - Kentaro Uchida
- Department of Orthopaedic Surgery, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0374 Japan
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Abstract
Large symptomatic osteochondral defects in a young active population represent a therapeutic challenge for orthopedic surgeons, since standard interventions such as debridement, microfracture and autologous osteochondral transfer are not suitable for the treatment of these larger lesions. Fresh osteochondral allograft transplantation provides a surgical option for these challenging defects, both as a primary procedure and for salvage of prior failed treatment attempts. This article reviews the basic science, indications, technique, and evidence for osteochondral allograft transplantation in the knee.
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Affiliation(s)
- Marco Demange
- Cartilage Repair Center Department of Orthopaedic Surgery, Brigham and Women’s Hospital Harvard Medical School, 75 Francis Street, Boston, MA 02115 USA
| | - Andreas H. Gomoll
- Cartilage Repair Center Department of Orthopaedic Surgery, Brigham and Women’s Hospital Harvard Medical School, 75 Francis Street, Boston, MA 02115 USA
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Vitrification of intact human articular cartilage. Biomaterials 2012; 33:6061-8. [PMID: 22698720 DOI: 10.1016/j.biomaterials.2012.05.007] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2012] [Revised: 05/02/2012] [Accepted: 05/04/2012] [Indexed: 11/20/2022]
Abstract
Articular cartilage injuries do not heal and large defects result in osteoarthritis with major personal and socioeconomic costs. Osteochondral transplantation is an effective treatment for large joint defects but its use is limited by the inability to store cartilage for long periods of time. Cryopreservation/vitrification is one method to enable banking of this tissue but decades of research have been unable to successfully preserve the tissue while maintaining cartilage on its bone base - a requirement for transplantation. To address this limitation, human knee articular cartilage from total knee arthroplasty patients and deceased donors was exposed to specified concentrations of 4 different cryoprotective agents for mathematically determined periods of time at lowering temperatures. After complete exposure, the cartilage was immersed in liquid nitrogen for up to 3 months. Cell viability was 75.4 ± 12.1% determined by membrane integrity stains and confirmed with a mitochondrial assay and pellet culture documented production of sulfated glycosaminoglycans and collagen II similar to controls. This report documents successful vitrification of intact human articular cartilage on its bone base making it possible to bank this tissue indefinitely.
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Panseri S, Russo A, Giavaresi G, Sartori M, Veronesi F, Fini M, Salter DM, Ortolani A, Strazzari A, Visani A, Dionigi C, Bock N, Sandri M, Tampieri A, Marcacci M. Innovative magnetic scaffolds for orthopedic tissue engineering. J Biomed Mater Res A 2012; 100:2278-86. [PMID: 22499413 DOI: 10.1002/jbm.a.34167] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2011] [Revised: 01/31/2012] [Accepted: 03/07/2012] [Indexed: 11/09/2022]
Abstract
The use of magnetism in tissue engineering is a very promising approach, in fact magnetic scaffolds are able not only to support tissue regeneration, but they can be activated and work like a magnet attracting functionalized magnetic nanoparticles (MNPs) injected close to the scaffold enhancing tissue regeneration. This study aimed to assess the in vivo biocompatibility and osteointegrative properties of novel magnetic scaffolds. Two hydroxyapatite/collagen (70/30 wt %) magnetic scaffolds were magnetized with two different techniques: direct nucleation of biomimetic phase and superparamagnetic nanoparticles (MNPs) on self-assembling collagen fibers (MAG-A) and scaffold impregnation in ferro-fluid solution (MAG-B). Magnetic scaffolds were implanted in rabbit distal femoral epiphysis and tibial mid-diaphysis. Histopathological screening showed no inflammatory reaction due to MNPs. Significantly higher bone healing rate (ΔBHR) results were observed in MAG-A in comparison to MAG-B. Significant differences were also found between experimental times with an increase in ΔBHR from 2 to 4 weeks for both scaffolds in trabecular bone, while only for MAG-B (23%, p < 0.05) in cortical bone. The proposed magnetic scaffolds seem to be promising for magnetic guiding in orthopedic tissue engineering applications and they will be suitable to treat also several pathologies in regenerative medicine area.
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Affiliation(s)
- S Panseri
- Laboratory of Biomechanics and Technology Innovation, Rizzoli Orthopaedic Institute, Bologna, Italy.
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Brown D, Shirzad K, Lavigne SA, Crawford DC. Osseous Integration after Fresh Osteochondral Allograft Transplantation to the Distal Femur: A Prospective Evaluation Using Computed Tomography. Cartilage 2011; 2:337-45. [PMID: 26069592 PMCID: PMC4297133 DOI: 10.1177/1947603511410418] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
OBJECTIVE Fresh osteochondral allograft transplantation (OCA) is an increasingly available option for patients with damage to the bone-cartilage complex of the distal femur. This study prospectively assesses osseous integration and early clinical results following fresh OCA with single or multiple cylindrical grafts to the femoral condyle. DESIGN Patients with grade 4 International Cartilage Repair Society (ICRS) defects of the distal femur were treated with OCA. Outcome measures were collected preoperatively and postoperatively at 6, 12, and 24 months. Computed tomography (CT) scans obtained at 6 months were used to assess degree of osseous incorporation regionally. RESULTS Thirty-four patients, with a mean age of 34.5 years (range, 15-61), with a mean femoral osteochondral lesion of 5.7 cm(2) (range, 1.5-15.0) due to focal osteoarthritis, osteochondritis dissecans, and avascular necrosis, are reported. Statistically significant (P < 0.05) mean improvement in outcome scores at 2 years included Knee Injury and Osteoarthritis Outcomes Score (KOOS) pain, sports and recreation, quality of life, and International Knee Documentation Committee (IKDC). CT imaging indicated grafts implanted to direct weightbearing regions had >75% incorporation (20/26 grafts) compared to <50% incorporation in the indirect weightbearing regions (8/14 grafts). A greater degree of incorporation and earlier outcome improvement were found after single (n = 23) compared to multiple (n = 11) grafts. CONCLUSION CT scans were used to assess osseous incorporation of fresh osteochondral allografts in a cohort that showed significant improvements after 2 years. Single-graft implantation is associated with stable incorporation of a greater percentage of the graft. Lesser incorporation appears more frequently with grafts in posterior indirect weightbearing regions of the condyle and multiple contiguous grafts.
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Affiliation(s)
- Dawson Brown
- Department of Orthopaedics and Rehabilitation, Oregon Health & Science University, Portland, OR, USA
| | - Khalid Shirzad
- Department of Orthopaedics and Rehabilitation, Oregon Health & Science University, Portland, OR, USA
| | - Stephanie A. Lavigne
- Department of Orthopaedics and Rehabilitation, Oregon Health & Science University, Portland, OR, USA
| | - Dennis C. Crawford
- Department of Orthopaedics and Rehabilitation, Oregon Health & Science University, Portland, OR, USA,Dennis C. Crawford, Department of Orthopaedics and Rehabilitation, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239
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Rodrigues MT, Gomes ME, Reis RL. Current strategies for osteochondral regeneration: from stem cells to pre-clinical approaches. Curr Opin Biotechnol 2011; 22:726-33. [PMID: 21550794 DOI: 10.1016/j.copbio.2011.04.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2011] [Accepted: 04/01/2011] [Indexed: 12/20/2022]
Abstract
Damaged cartilage tissue has no functional replacement alternatives and current therapies for bone injury treatment are far from being the ideal solutions emphasizing an urgent need for alternative therapeutic approaches for osteochondral (OC) regeneration. The tissue engineering field provides new possibilities for therapeutics and regeneration in rheumatology and orthopaedics, holding the potential for improving the quality of life of millions of patients by exploring new strategies towards the development of biological substitutes to maintain, repair and improve OC tissue function. Numerous studies have focused on the development of distinct tissue engineering strategies that could result in promising solutions for this delicate interface. In order to outperform currently used methods, novel tissue engineering approaches propose, for example, the design of multi-layered scaffolds, the use of stem cells, bioreactors or the combination of clinical techniques.
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Affiliation(s)
- Márcia T Rodrigues
- 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, Univ. of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, 4806-909 Taipas, Guimarães, Portugal
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Bölgen N, Yang Y, Korkusuz P, Güzel E, El Haj AJ, Pişkin E. 3D ingrowth of bovine articular chondrocytes in biodegradable cryogel scaffolds for cartilage tissue engineering. J Tissue Eng Regen Med 2010; 5:770-9. [PMID: 22002920 DOI: 10.1002/term.375] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2010] [Accepted: 09/02/2010] [Indexed: 11/08/2022]
Abstract
A feasibility study was undertaken to examine the potential of biodegradable HEMA-lactate-dextran (HEMA-LLA-D)-based cryogels as scaffolds for cartilage tissue engineering. This was a preliminary in vitro study giving essential information on the biocompatibility of cryogels with cartilage cells. HEMA-lactate (HEMA-LLA) and HEMA-LLA-D were synthesized and characterized by different techniques. Cryogel scaffolds with supermacroporous structures were produced by cryogenic treatment of these macromers. Chondrocytes obtained from bovine articular cartilage were seeded onto cylindrical cryogels and cultured. The samples were examined by several microcopical techniques for cell viability and morphological analyses were performed at two culture points. Histological study of the constructs revealed the cells' growth on the surface and within the scaffolds. Confocal microscopical images demonstrated that the majority of live vs. dead cells had been attached to and integrated with the pores of the scaffold. SEM analysis showed round to oval-shaped chondrocytic cells interconnected with each other by communicating junctions. The chondrocytes rapidly proliferated in the cryogels, manifesting that they fully covered the scaffold surface after 9 days and almost filled the spaces in the pores of the scaffold after 15 days of culture. Chondrocytes secreted significant amount of extracellular matrix in the scaffolds and exhibited highly interconnective morphology. Light and transmission electron microscopy revealed groups of active cartilage cells closely apposed to the cryogel. We concluded that cryogel scaffolds could be excellent candidates for cartilage tissue regeneration with their extraordinary properties, including soft, elastic nature, highly open interconnected pore structure and very rapid, controllable swellability.
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Affiliation(s)
- N Bölgen
- Department of Chemical Engineering, Faculty of Engineering, Mersin University, Mersin, Turkey.
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Gomoll AH, Madry H, Knutsen G, van Dijk N, Seil R, Brittberg M, Kon E. The subchondral bone in articular cartilage repair: current problems in the surgical management. Knee Surg Sports Traumatol Arthrosc 2010; 18:434-47. [PMID: 20130833 PMCID: PMC2839476 DOI: 10.1007/s00167-010-1072-x] [Citation(s) in RCA: 246] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2010] [Accepted: 01/15/2010] [Indexed: 12/24/2022]
Abstract
As the understanding of interactions between articular cartilage and subchondral bone continues to evolve, increased attention is being directed at treatment options for the entire osteochondral unit, rather than focusing on the articular surface only. It is becoming apparent that without support from an intact subchondral bed, any treatment of the surface chondral lesion is likely to fail. This article reviews issues affecting the entire osteochondral unit, such as subchondral changes after marrow-stimulation techniques and meniscectomy or large osteochondral defects created by prosthetic resurfacing techniques. Also discussed are surgical techniques designed to address these issues, including the use of osteochondral allografts, autologous bone grafting, next generation cell-based implants, as well as strategies after failed subchondral repair and problems specific to the ankle joint. Lastly, since this area remains in constant evolution, the requirements for prospective studies needed to evaluate these emerging technologies will be reviewed.
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Affiliation(s)
- Andreas H Gomoll
- Department of Orthopaedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Chestnut Hill, MA 02467, USA.
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Pallante AL, Bae WC, Chen AC, Görtz S, Bugbee WD, Sah RL. Chondrocyte viability is higher after prolonged storage at 37 degrees C than at 4 degrees C for osteochondral grafts. Am J Sports Med 2009; 37 Suppl 1:24S-32S. [PMID: 19861697 PMCID: PMC2858049 DOI: 10.1177/0363546509351496] [Citation(s) in RCA: 91] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Osteochondral allografts are currently stored at 4 degrees C for 2 to 6 weeks before implantation. At 4 degrees C, chondrocyte viability, especially in the superficial zone, deteriorates starting at 2 weeks. Alternative storage conditions could maintain chondrocyte viability beyond 2 weeks, and thereby facilitate increased graft availability and enhanced graft quality. PURPOSE The objective of the study was to determine the effects of prolonged 37 degrees C storage compared with traditional 4 degrees C storage on chondrocyte viability and cartilage matrix content. STUDY DESIGN Controlled laboratory study. METHODS Osteochondral samples from humeral heads of adult goats were analyzed (i) fresh, or after storage in medium for (ii) 14 days at 4 degrees C including 10% fetal bovine serum, (iii) 28 days at 4 degrees C including 10% fetal bovine serum, (iv) 28 days at 37 degrees C without fetal bovine serum, (v) 28 days at 37 degrees C including 2% fetal bovine serum, or (vi) 28 days at 37 degrees C including 10% fetal bovine serum. Portions of samples were analyzed by microscopy after LIVE/DEAD staining to determine chondrocyte viability and density, both en face (to visualize the articular surface) and vertically (overall and in superficial, middle, and deep zones). The remaining cartilage was analyzed for sulfated glycosaminoglycan and collagen. RESULTS The 37 degrees C storage maintained high chondrocyte viability compared with 4 degrees C storage. Viability of samples after 28 days at 37 degrees C was approximately 80% at the cartilage surface en face, approximately 65% in the superficial zone, and approximately 70% in the middle zone, which was much higher than approximately 45%, approximately 20%, and approximately 35%, respectively, in 4 degrees C samples after 28 days, and slightly decreased from approximately 100%, approximately 85%, and approximately 95%, respectively, in fresh controls. Cartilage thickness, glycosaminoglycan content, and collagen content were maintained for 37 degrees C and 4 degrees C samples compared with fresh controls. CONCLUSION The 37 degrees C storage of osteochondral grafts supports long-term chondrocyte viability, especially at the vulnerable surface and superficial zone of cartilage. CLINICAL RELEVANCE Storage of allografts at a physiologic temperature of 37 degrees C may prolong storage duration, improve graft availability, and improve treatment outcomes.
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Affiliation(s)
- Andrea L. Pallante
- Department of Bioengineering and Whitaker Institute of Biomedical Engineering, University of California-San Diego, La Jolla, CA, USA
| | - Won C. Bae
- Department of Radiology, University of California-San Diego, San Diego, CA, USA
| | - Albert C. Chen
- Department of Bioengineering and Whitaker Institute of Biomedical Engineering, University of California-San Diego, La Jolla, CA, USA
| | - Simon Görtz
- Department of Orthopaedic Surgery, University of California-San Diego, San Diego, CA, USA
| | - William D. Bugbee
- Department of Orthopaedic Surgery, University of California-San Diego, San Diego, CA, USA
- Division of Orthopaedic Surgery, Scripps Clinic, La Jolla, CA, USA
| | - Robert L. Sah
- Department of Bioengineering and Whitaker Institute of Biomedical Engineering, University of California-San Diego, La Jolla, CA, USA
- Address correspondence and reprint requests to: R.L. Sah, 9500 Gilman Drive, La Jolla, CA 92093–0412, USA. Tel: 858–534–5682; Fax: 858–822–1614;
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