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Lin F, Hengli L, Zhu K, Bao Y, Pan J. Predictors of Postoperative Outcomes after Arthroscopic Partial Meniscectomy: A Retrospective Analysis. Orthop Surg 2024. [PMID: 39238478 DOI: 10.1111/os.14218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Revised: 07/27/2024] [Accepted: 08/07/2024] [Indexed: 09/07/2024] Open
Abstract
OBJECTIVE Arthroscopic partial meniscectomy is a widely used surgical technique for treating meniscus injuries, while individual differences in postoperative outcomes remain a significant concern. This retrospective study aimed to identify the factors influencing clinical outcomes following arthroscopic partial meniscectomy. METHODS We retrospectively examined the clinical data of 52 patients who underwent arthroscopic partial meniscectomy at our institution from January to May 2022. Observation indicators, including gender, age, type of medical insurance, various surgeons, the self-pay portion of hospital costs, and total hospital costs, were systematically recorded. Subjective symptoms were evaluated with ΔTenger, ΔLysholm, and International Knee Documentation Committee (IKDC) scores during follow-up. The trends of the above questionnaires and potential predictors were statistically evaluated through regression analysis. RESULTS Binary logistic analysis revealed that female patients (OR: 32.42; 95% confidence interval [CI]: 2.22, 473.86) and higher preoperative visual analog scale (VAS) (odds ratio [OR]: 3.58; 95% CI: 1.55, 8.28) were significantly associated with FP Lysholm score. Similarly, patients with elevated preoperative VAS (OR: 1.47; 95% CI: 1.01, 2.15) were significantly more likely to have FP IKDC scores. Multiple linear regression analysis revealed that traumatic meniscus tear (β = -0.324; 95% CI: -0.948, -0.036; p = 0.035) emerged as a negative independent predictor of ΔTegner, while higher preoperative VAS scores (β = 0.330; 95% CI: 0.013, 0.217; p = 0.028) were identified as positive independent predictors of ΔTegner. The duration of symptoms (β = -0.327; 95% CI: -0.010, -0.001; p = 0.023) had a negative impact on the ΔLysholm scores. Factors such as body mass index (BMI) (β = -0.250; 95% CI: -1.000, -0.020; p = 0.042), duration of symptoms (β = -0.302; 95% CI: -0.009, -0.001; p = 0.014), and preoperative VAS (β = -0.332; 95% CI: -1.813, -0.250; p = 0.011) were negatively associated with ΔIKDC scores. CONCLUSION The study offers insights into multiple factors for patient outcomes after arthroscopic partial meniscectomy. Orthopedic surgeons need to consider variables such as gender, BMI, duration of symptoms, preoperative VAS, and the traumatic/degenerative types of meniscal tears to optimize postoperative outcomes.
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Affiliation(s)
- Fan Lin
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Lu Hengli
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Kunpeng Zhu
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yuchen Bao
- Department of Oncology, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jianfeng Pan
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
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Chuang EY, Lin YC, Huang YM, Chen CH, Yeh YY, Rethi L, Chou YJ, Jheng PR, Lai JM, Chiang CJ, Wong CC. Biofunctionalized hydrogel composed of genipin-crosslinked gelatin/hyaluronic acid incorporated with lyophilized platelet-rich fibrin for segmental bone defect repair. Carbohydr Polym 2024; 339:122174. [PMID: 38823938 DOI: 10.1016/j.carbpol.2024.122174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/07/2024] [Accepted: 04/16/2024] [Indexed: 06/03/2024]
Abstract
Segmental bone defects can arise from trauma, infection, metabolic bone disorders, or tumor removal. Hydrogels have gained attention in the field of bone regeneration due to their unique hydrophilic properties and the ability to customize their physical and chemical characteristics to serve as scaffolds and carriers for growth factors. However, the limited mechanical strength of hydrogels and the rapid release of active substances have hindered their clinical utility and therapeutic effectiveness. With ongoing advancements in material science, the development of injectable and biofunctionalized hydrogels holds great promise for addressing the challenges associated with segmental bone defects. In this study, we incorporated lyophilized platelet-rich fibrin (LPRF), which contains a multitude of growth factors, into a genipin-crosslinked gelatin/hyaluronic acid (GLT/HA-0.5 % GP) hydrogel to create an injectable and biofunctionalized composite material. Our findings demonstrate that this biofunctionalized hydrogel possesses optimal attributes for bone tissue engineering. Furthermore, results obtained from rabbit model with segmental tibial bone defects, indicate that the treatment with this biofunctionalized hydrogel resulted in increased new bone formation, as confirmed by imaging and histological analysis. From a translational perspective, this biofunctionalized hydrogel provides innovative and bioinspired capabilities that have the potential to enhance bone repair and regeneration in future clinical applications.
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Affiliation(s)
- Er-Yuan Chuang
- Graduate Institute of Biomedical Materials and Tissue Engineering, School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan; Cell Physiology and Molecular Image Research Center, Taipei Medical University-Wan Fang Hospital, Taipei 11696, Taiwan; Precision Medicine and Translational Cancer Research Center, Taipei Medical University Hospital, Taipei 11031, Taiwan
| | - Yi-Cheng Lin
- Department of Orthopedics, Taipei Medical University Shuang Ho Hospital, New Taipei City 23561, Taiwan; Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Yu-Min Huang
- Department of Orthopedics, Taipei Medical University Shuang Ho Hospital, New Taipei City 23561, Taiwan; Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Chih-Hwa Chen
- Graduate Institute of Biomedical Materials and Tissue Engineering, School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan; Department of Orthopedics, Taipei Medical University Shuang Ho Hospital, New Taipei City 23561, Taiwan; Taipei Medical University Research Center of Biomedical Devices Prototyping Production, Taipei 11031, Taiwan; School of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan; School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yi-Yen Yeh
- Department of Orthopedics, Taipei Medical University Shuang Ho Hospital, New Taipei City 23561, Taiwan
| | - Lekha Rethi
- Department of Orthopedics, Taipei Medical University Shuang Ho Hospital, New Taipei City 23561, Taiwan
| | - Yu-Jen Chou
- Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Pei-Ru Jheng
- Graduate Institute of Biomedical Materials and Tissue Engineering, School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
| | - Jen-Ming Lai
- Department of Orthopedic Surgery, Woodlands Health, 768024, Singapore
| | - Chang-Jung Chiang
- Department of Orthopedics, Taipei Medical University Shuang Ho Hospital, New Taipei City 23561, Taiwan; Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan; Taipei Medical University Research Center of Biomedical Devices Prototyping Production, Taipei 11031, Taiwan
| | - Chin-Chean Wong
- Department of Orthopedics, Taipei Medical University Shuang Ho Hospital, New Taipei City 23561, Taiwan; Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan; Taipei Medical University Research Center of Biomedical Devices Prototyping Production, Taipei 11031, Taiwan; International PhD Program for Cell Therapy and Regenerative Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan.
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3
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Elphingstone JW, Alston ET, Colorado BS. Platelet-rich plasma for nonoperative management of degenerative meniscal tears: A systematic review. J Orthop 2024; 54:67-75. [PMID: 39036807 PMCID: PMC11259654 DOI: 10.1016/j.jor.2024.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 03/08/2024] [Accepted: 03/11/2024] [Indexed: 07/23/2024] Open
Abstract
Background Meniscus tears are a common cause of knee pain encountered in orthopedics and sports medicine. There are numerous management strategies, from physical therapy and oral medications to surgery. Recent evidence is more favorable for conservative management, as operative treatment has limited clinical benefits and is associated with an accelerated progression toward osteoarthritis. Injections with orthobiologic therapies, such as platelet-rich plasma (PRP), are emerging as an alternative therapeutic tool for degenerative tears. This study aims to evaluate the latest evidence regarding the efficacy of PRP injections for the nonoperative management of degenerative meniscal pathology. Data sources Articles were obtained from Embase, PubMed, World of Science, Cochrane, and Galileo databases after searching "Platelet-rich plasma" AND "Meniscus." Inclusion criteria consisted of original, human studies evaluating the use of platelet-rich plasma for nonoperative management of meniscus tears. Main results A total of 384 articles were screened, with ten studies selected for final inclusion. The pooled study population comprised 686 patients, with an average age ranging from 33 to 53 years, and a 38% female population. Three different injection approaches were utilized, categorized as intra-articular alone (IA), intra-meniscal alone (IM), or a combination of both. Most studies demonstrated improved pain and functionality by 3 months that persisted for at least one year. Within the IA and IM groups, the majority of patients were either radiographically stable (30-70%) or demonstrated interval healing (40-60%). Several studies within IM and combined treatment groups evaluated rates and time to arthroscopy, and found lower failure rates and greater arthroscopy-free survival time than control comparison groups. Conclusion PRP appears to be a safe and efficacious treatment strategy for degenerative meniscal pathology. However, due to diverse periprocedural techniques, PRP injectate characteristics, and a lack of high-quality studies, additional trials are needed to provide greater a degree of confidence in PRP's clinical impact on patients with meniscus tears. Level of evidence Systematic Review.
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Affiliation(s)
| | | | - Berdale S. Colorado
- University of Alabama at Birmingham, Department of Physical Medicine and Rehabilitation, Birmingham, AL, USA
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4
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Chen K, Aggarwal S, Baker H, Athiviraham A. Biologic Augmentation of Isolated Meniscal Repair. Curr Rev Musculoskelet Med 2024; 17:223-234. [PMID: 38652368 PMCID: PMC11156815 DOI: 10.1007/s12178-024-09898-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/13/2024] [Indexed: 04/25/2024]
Abstract
PURPOSE OF REVIEW The limited blood supply and intrinsic healing capacity of the meniscus contributes to suboptimal tissue regeneration following injury and surgical repair. Biologic augmentation techniques have been utilized in combination with isolated meniscal repair to improve tissue regeneration. Several innovative strategies such as Platelet-Rich Plasma (PRP), fibrin clots, mesenchymal stem cells (MSCs), bone marrow stimulation, meniscal scaffolds, and meniscal wrapping, are being explored to enhance repair outcomes. This article provides a comprehensive review of recent findings and conclusions regarding biologic augmentation techniques. RECENT FINDINGS Studies on PRP reveal mixed outcomes, with some suggesting benefits in reducing failure rates of isolated meniscal repair, while others question its efficacy. Fibrin clots and PRF (Platelet-rich fibrin), although promising, show inconsistent results and lack sufficient evidence for definitive conclusions. MSCs demonstrate potential in preclinical studies, but clinical trials have been limited and inconclusive. Bone marrow stimulation appears effective in certain contexts, but its broader applicability remains uncertain. Meniscal scaffolds, including CMI (Collagen Meniscal Implants) and Actifit (polyurethane scaffolds), show encouraging short- and mid-term outcomes but have not consistently surpassed traditional methods in the long term. Meniscal wrapping is infrequently studied but demonstrates positive short-term results with certain applications. The review reveals a diverse range of outcomes for biologic augmentation in meniscal repair. While certain techniques show promise, particularly in specific scenarios, the overall efficacy of these methods has yet to reach a consensus. The review underscores the necessity for standardized, high-quality research to establish the definitive effectiveness of these biologic augmentation methods.
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Affiliation(s)
- Kevin Chen
- Pritzker School of Medicine, University of Chicago, Chicago, IL, USA
| | - Sarthak Aggarwal
- Pritzker School of Medicine, University of Chicago, Chicago, IL, USA
| | - Hayden Baker
- Department of Orthopaedic Surgery and Rehabilitation Medicine, University of Chicago, 5841 S. Maryland Ave MC 3079, Chicago, IL, 60637, USA
| | - Aravind Athiviraham
- Department of Orthopaedic Surgery and Rehabilitation Medicine, University of Chicago, 5841 S. Maryland Ave MC 3079, Chicago, IL, 60637, USA.
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Pala M, Meral I, Pala Acikgoz N, Mengi M, Erdim Gokce MB, Unsal R, Polat Y, Akbas F, Gorucu Yilmaz S. Thymoquinone ameliorates symptoms of Parkinson's disease in a 6-OHDA rat model by downregulation of miR-204-3p. Behav Pharmacol 2024; 35:201-210. [PMID: 38660812 DOI: 10.1097/fbp.0000000000000776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
microRNAs (miRNAs) play a significant role in the pathophysiology of Parkinson's disease. In this study, we evaluated the neuroprotective effect of thymoquinone on the expression profiles of miRNA and cognitive functions in the 6-hydroxydopamine (6-OHDA)-induced Parkinson's model. Male adult Wistar albino rats (200-230 g, n = 36) were randomly assigned to six groups: Sham, thymoquinone (10 mg/kg, p.o.), 6-OHDA, 6-OHDA + thymoquinone (10 mg/kg), 6-OHDA + thymoquinone (20 mg/kg), and 6-OHDA + thymoquinone (50 mg/kg). Behavioral changes were detected using the open field and the elevated plus maze tests. The mature 728 miRNA expressions were evaluated by miRNA microarray (GeneChip miRNA 4.0). Ten miRNAs were selected (rno-miR-212-5p, rno-miR-146b-5p, rno-miR-150-5p, rno-miR-29b-2-5p, rno-miR-126a-3p, rno-miR-187-3p, rno-miR-34a-5p, rno-miR-181d-5p, rno-miR-204-3p, and rno-miR-30c-2-3p) and confirmed by real-time PCR. Striatum samples were stained with hematoxylin-eosin to determine the effect of dopaminergic lesions. One-way ANOVA test and independent sample t -test were used for statistical analyses. rno-miR-204-3p was upregulated at 6-OHDA and downregulated at the 50 mg/kg dose of thymoquinone. In conclusion, thymoquinone at a dose of 50 mg/kg ameliorates symptoms of Parkinson's disease in a 6-OHDA rat model by downregulation of miR-204-3p. Also, the results showed that thymoquinone can improve locomotor activity and willing exploration and decreased anxiety. Therefore, thymoquinone can be used as a therapeutic agent.
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Affiliation(s)
- Mukaddes Pala
- Department of Physiology, Faculty of Medicine, Malatya Turgut Ozal University, Malatya
| | | | - Nilgün Pala Acikgoz
- Department of Neurology, Faculty of Medicine, Bezmialem Vakif University, Istanbul
| | - Murat Mengi
- Department of Physiology, Faculty of Medicine, Namik Kemal University, Tekirdag
| | | | - Rumeysa Unsal
- Bakirkoy Prof. Dr. Mazhar Osman Mental Health and Nervous Diseases Training and Research Hospital
| | - Yalcin Polat
- Department of Pathology, Faculty of Medicine, Biruni University
| | - Fahri Akbas
- Department of Medical Biology, Faculty of Medicine, Bezmialem Vakif University, Istanbul
| | - Senay Gorucu Yilmaz
- Department of Nutrition and Dietetics, Faculty of Health Science, Gaziantep University, Gaziantep, Turkey
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6
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Kemmochi M. Usefulness of platelet-rich fibrin as a scaffold for meniscal repair: A non-randomized controlled cohort/follow-up study. J Orthop 2024; 52:94-101. [PMID: 38435313 PMCID: PMC10904893 DOI: 10.1016/j.jor.2024.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 02/09/2024] [Indexed: 03/05/2024] Open
Abstract
Background Although regenerative medicine treatment is still in its infancy in Japan, legislation within the past decade has provided opportunities to explore new treatment methods using regenerative medicine. We conducted a 2-year prospective follow-up study to statistically analyze treatment outcomes using platelet-rich plasma (PRP) and platelet-rich fibrin (PRF) as effective scaffolds in meniscal repair.Questions/Purposes.1. Does the use of PRF and PRP for meniscal repair surgery regenerate the meniscus?2. Does augmentation of meniscal repair with PRF effectively improve knee function outcomes? Methods Thirty-five patients underwent arthroscopic meniscal repair with PRP and PRF using new devices with all-inside techniques. Among these, 31 patients were evaluated for clinical outcomes postoperatively, and magnetic resonance imaging (MRI) findings were evaluated. The variables were coded appropriately by creating a new column based on the Kellgren-Lawrence classification over time. Log transformation of different time points (pre, post 6, 12, or 24 months) in relation to Lysholm, International Knee Documentation Committee (IKDC), Japanese Orthopedic Association (JOA), and Tegner scores were performed. Follow-up arthroscopy using a needle scope was performed in some cases 2 years later. The PRP and PRF used were characterized using the Minimum Information for Studies Evaluating Biologics in Orthopaedics classification. Results Overall, 31 patients were evaluated (mean age = 39.1 ± 15.7 years; preoperative rehabilitation period = 9.5 ± 7.7 weeks). The PRP had mean platelet and white blood cell concentrations of approximately 5.5- and 3.6-fold, respectively. A significant association existed between sex and deformity deterioration but not in age between the two groups classified by deformity deterioration. Surgical intervention significantly and positively impacted knee function, although no significant changes were found in the activity of the participants over time. MRI findings showed no regeneration of the repaired meniscus; nevertheless, none of them worsened. Furthermore, a case where the traumatic cartilage defect was covered with fibrocartilage-like tissue as a secondary finding was observed. Conclusions Meniscal repair surgery using PRP/PRF is an effective treatment option for improving knee function in patients with knee deformity. Level of evidence Level III, Non-randomized controlled cohort/follow-up study.
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Affiliation(s)
- Masahiko Kemmochi
- Kemmochi Orthopedic Surgery Sports Clinic, KOSSMOS(Kenmochi Orthopaedics Surgery,Sports Medicine,the Organization of Sport), Medical Corporation, 42-1 Higashi-honcho, Ota City, Gunma, 373-0026, Japan
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de Lima Barbosa R, Rodrigues Santiago Rocha N, Stellet Lourenço E, de Souza Lima VH, Mavropoulos E, Mello-Machado RC, Spiegel C, Mourão CF, Alves GG. The Association of Nanostructured Carbonated Hydroxyapatite with Denatured Albumin and Platelet-Rich Fibrin: Impacts on Growth Factors Release and Osteoblast Behavior. J Funct Biomater 2024; 15:18. [PMID: 38248685 PMCID: PMC10817063 DOI: 10.3390/jfb15010018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/24/2023] [Accepted: 01/02/2024] [Indexed: 01/23/2024] Open
Abstract
Platelet-rich Fibrin (PRF), a second-generation blood concentrate, offers a versatile structure for bone regeneration due to its composition of fibrin, growth factors, and cytokines, with adaptations like denatured albumin-enriched with liquid PRF (Alb-PRF), showing potential for enhanced stability and growth factor dynamics. Researchers have also explored the combination of PRF with other biomaterials, aiming to create a three-dimensional framework for enhanced cell recruitment, proliferation, and differentiation in bone repair studies. This study aimed to evaluate a combination of Alb-PRF with nanostructured carbonated hydroxyapatite microspheres (Alb-ncHA-PRF), and how this association affects the release capacity of growth factors and immunomodulatory molecules, and its impact on the behavior of MG63 human osteoblast-like cells. Alb-PRF membranes were prepared and associated with nanocarboapatite (ncHA) microspheres during polymerization. MG63 cells were exposed to eluates of both membranes to assess cell viability, proliferation, mineralization, and alkaline phosphatase (ALP) activity. The ultrastructural analysis has shown that the spheres were shattered, and fragments were incorporated into both the fibrin mesh and the albumin gel of Alb-PRF. Alb-ncHA-PRF presented a reduced release of growth factors and cytokines when compared to Alb-PRF (p < 0.05). Alb-ncHA-PRF was able to stimulate osteoblast proliferation and ALP activity at lower levels than those observed by Alb-PRF and was unable to positively affect in vitro mineralization by MG63 cells. These findings indicate that the addition of ncHA spheres reduces the biological activity of Alb-PRF, impairing its initial effects on osteoblast behavior.
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Affiliation(s)
- Renata de Lima Barbosa
- Graduate Program in Science and Biotechnology, Fluminense Federal University, Niteroi 24210-201, Brazil
- Clinical Research Unit, Antonio Pedro Hospital, Fluminense Federal University, Niteroi 24033-900, Brazil
| | | | - Emanuelle Stellet Lourenço
- Clinical Research Unit, Antonio Pedro Hospital, Fluminense Federal University, Niteroi 24033-900, Brazil
| | - Victor Hugo de Souza Lima
- Graduate Program in Science and Biotechnology, Fluminense Federal University, Niteroi 24210-201, Brazil
- Clinical Research Unit, Antonio Pedro Hospital, Fluminense Federal University, Niteroi 24033-900, Brazil
| | - Elena Mavropoulos
- Brazilian Center for Physics Research, Rio de Janeiro 22290-180, Brazil
| | | | - Carolina Spiegel
- Department of Cellular and Molecular Biology, Fluminense Federal University, Niteroi 24033-900, Brazil
| | - Carlos Fernando Mourão
- Department of Periodontology, Tufts University School of Dental Medicine, Boston, MA 02111, USA
| | - Gutemberg Gomes Alves
- Graduate Program in Science and Biotechnology, Fluminense Federal University, Niteroi 24210-201, Brazil
- Clinical Research Unit, Antonio Pedro Hospital, Fluminense Federal University, Niteroi 24033-900, Brazil
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Sánchez M, Jorquera C, Bilbao AM, García S, Beitia M, Espregueira-Mendes J, González S, Oraa J, Guadilla J, Delgado D. High survival rate after the combination of intrameniscal and intraarticular infiltrations of platelet-rich plasma as conservative treatment for meniscal lesions. Knee Surg Sports Traumatol Arthrosc 2023; 31:4246-4256. [PMID: 37302993 DOI: 10.1007/s00167-023-07470-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 05/30/2023] [Indexed: 06/13/2023]
Abstract
PURPOSE To evaluate the efficacy of applying a combination of intrameniscal and intraarticular infiltrations of Platelet-Rich Plasma (PRP) in patients with meniscal tears, analyzing its failure rate and clinical evolution, as well as factors that may influence the positive response to this treatment. METHODS Three hundred and ninety-two cases out of 696 met the inclusion criteria and were included in this work. Survival and patient-reported outcome measure (PROM) were collected and analyzed. Survival rate was defined as the percentage of patients who did not undergo meniscus surgery during their follow-up time. Patients were asked to complete the Knee injury and Osteoarthritis Outcome Score (KOOS) at baseline, 6 months and 18 months. Other patient- and pathology-related variables were collected. Blood and PRP samples were randomly tested as a quality control measure. Survival and comparative statistical tests, and multivariate regression were performed for the analysis of the variables. RESULTS The PRP applied had a platelet concentration factor of 1.9X in respect to blood levels, with no leukocytes or erythrocytes. Thirty-eight patients required surgical intervention after treatment reaching a survival rate of 90.3% with an estimated mean survival time of 54.4 months. The type of injury (P = 0.002) and the presence of chondropathy were risk factors for surgical intervention after PRP treatment (P = 0.043). All KOOS scores showed a significant statistical increase from baseline to 6 months (N = 93) and 18 months (N = 66) (P < 0.0001). The number of cases with minimal clinically important improvement (MCII) at 6 months and 18 months post-treatment was 65 (69.9%) and 43 (65.2%), respectively. CONCLUSION The combination of intrameniscal and intraarticular PRP infiltrations is a valid conservative treatment for meniscal injuries avoiding the need for surgical intervention. Its efficacy is higher in horizontal tears and decreases when joint degeneration is present. LEVEL OF EVIDENCE Level IV.
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Affiliation(s)
- Mikel Sánchez
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, Spain
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, C/Beato Tomás de Zumárraga 10, 01008, Vitoria-Gasteiz, Spain
| | - Cristina Jorquera
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, C/Beato Tomás de Zumárraga 10, 01008, Vitoria-Gasteiz, Spain
| | - Ane Miren Bilbao
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, Spain
| | - Saínza García
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, C/Beato Tomás de Zumárraga 10, 01008, Vitoria-Gasteiz, Spain
| | - Maider Beitia
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, C/Beato Tomás de Zumárraga 10, 01008, Vitoria-Gasteiz, Spain
| | - João Espregueira-Mendes
- Clínica Espregueira-FIFA Medical Centre of Excellence, Porto, Portugal
- Dom Henrique Research Centre, Porto, Portugal
- School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Barco, Guimarães, Portugal
| | - Sergio González
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, Spain
| | - Jaime Oraa
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, Spain
| | - Jorge Guadilla
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, Spain
| | - Diego Delgado
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, C/Beato Tomás de Zumárraga 10, 01008, Vitoria-Gasteiz, Spain.
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9
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Bai MY, Vy VPT, Tang SL, Hung TNK, Wang CW, Liang JY, Wong CC, Chan WP. Current Progress of Platelet-Rich Derivatives in Cartilage and Joint Repairs. Int J Mol Sci 2023; 24:12608. [PMID: 37628786 PMCID: PMC10454586 DOI: 10.3390/ijms241612608] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 08/04/2023] [Accepted: 08/05/2023] [Indexed: 08/27/2023] Open
Abstract
In recent years, several types of platelet concentrates have been investigated and applied in many fields, particularly in the musculoskeletal system. Platelet-rich fibrin (PRF) is an autologous biomaterial, a second-generation platelet concentrate containing platelets and growth factors in the form of fibrin membranes prepared from the blood of patients without additives. During tissue regeneration, platelet concentrates contain a higher percentage of leukocytes and a flexible fibrin net as a scaffold to improve cell migration in angiogenic, osteogenic, and antibacterial capacities during tissue regeneration. PRF enables the release of molecules over a longer period, which promotes tissue healing and regeneration. The potential of PRF to simulate the physiology and immunology of wound healing is also due to the high concentrations of released growth factors and anti-inflammatory cytokines that stimulate vessel formation, cell proliferation, and differentiation. These products have been used safely in clinical applications because of their autologous origin and minimally invasive nature. We focused on a narrative review of PRF therapy and its effects on musculoskeletal, oral, and maxillofacial surgeries and dermatology. We explored the components leading to the biological activity and the published preclinical and clinical research that supports its application in musculoskeletal therapy. The research generally supports the use of PRF as an adjuvant for various chronic muscle, cartilage, and tendon injuries. Further clinical trials are needed to prove the benefits of utilizing the potential of PRF.
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Affiliation(s)
- Meng-Yi Bai
- Graduate Institute of Biomedical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
- Adjunct Appointment to the Department of Biomedical Engineering, National Defense Medical Center, Taipei 11490, Taiwan
| | - Vu Pham Thao Vy
- International Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan;
- Department of Radiology, Thai Nguyen National Hospital, Thai Nguyen 24000, Vietnam
| | - Sung-Ling Tang
- Department of Pharmacy Practice, Tri-Service General Hospital, Taipei 11490, Taiwan
| | | | - Ching-Wei Wang
- Graduate Institute of Biomedical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Jui-Yuan Liang
- Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Chin-Chean Wong
- Department of Orthopedics, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan;
- Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11011, Taiwan
- International Ph.D. Program for Cell Therapy and Regenerative Medicine, College of Medicine, Taipei Medical University, Taipei 11011, Taiwan
| | - Wing P. Chan
- Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- Department of Radiology, Wan Fang Hospital, Taipei Medical University, Taipei 116081, Taiwan
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10
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Weng PW, Chen CH, Lin YC, Chen KH, Yeh YY, Lai JM, Chiang CJ, Wong CC. Platelet-Rich Fibrin-Augmented Gap-Bridging Strategy in Rabbit Anterior Cruciate Ligament Repair. Am J Sports Med 2023; 51:642-655. [PMID: 36752674 DOI: 10.1177/03635465221149993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
BACKGROUND We assessed the efficacy of a novel platelet-rich fibrin (PRF)-augmented repair strategy for promoting biological healing of an anterior cruciate ligament (ACL) midsubstance tear in a rabbit model. The biological gap-bridging effect of a PRF scaffold alone or in combination with rabbit ligamentocytes on primary ACL healing was evaluated both in vitro and in vivo. HYPOTHESIS A PRF matrix can be implanted as a provisional fibrin-platelet bridging scaffold at an ACL defect to facilitate functional healing. STUDY DESIGN Controlled laboratory study. METHODS The biological effects of PRF on primary rabbit ligamentocyte proliferation, tenogenic differentiation, migration, and tendon-specific matrix production were investigated for treatment of cells with PRF-conditioned medium (PRFM). Three-dimensional (3D) lyophilized PRF (LPRF)-cell composite was fabricated by culturing ligamentocytes on an LPRF patch for 14 days. Cell-scaffold interactions were investigated under a scanning electron microscope and through histological analysis. An ACL midsubstance tear model was established in 3 rabbit groups: a ruptured ACL was treated with isolated suture repair in group A, whereas the primary repair was augmented with LPRF and LPRF-cell composite to bridge the gap between ruptured ends of ligaments in groups B and C, respectively. Outcomes-gross appearance, magnetic resonance imaging, and histological analysis-were evaluated in postoperative weeks 8 and 12. RESULTS PRFM promoted cultured ligamentocyte proliferation, migration, and expression of tenogenic genes (type I and III collagen and tenascin). PRF was noted to upregulate cell tenogenic differentiation in terms of matrix production. In the 3D culture, viable cells formed layers at high density on the LPRF scaffold surface, with notable cell ingrowth and abundant collagenous matrix depositions. Moreover, ACL repair tissue and less articular cartilage damage were observed in knee joints in groups B and C, implying the existence of a chondroprotective phenomenon associated with PRF-augmented treatment. CONCLUSION Our PRF-augmented strategy can facilitate the formation of stable repair tissue and thus provide gap-bridging in ACL repair. CLINICAL RELEVANCE From the translational viewpoint, effective primary repair of the ACL may enable considerable advancement in therapeutic strategy for ACL injuries, particularly allowing for proprioception retention and thus improved physiological joint kinematics.
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Affiliation(s)
- Pei-Wei Weng
- Department of Orthopedics, Taipei Medical University Shuang Ho Hospital, New Taipei City, Taiwan
- Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- International PhD Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
- Research Center of Biomedical Devices, Taipei Medical University, Taipei, Taiwan
| | - Chih-Hwa Chen
- Department of Orthopedics, Taipei Medical University Shuang Ho Hospital, New Taipei City, Taiwan
- Research Center of Biomedical Devices, Taipei Medical University, Taipei, Taiwan
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
- School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yi-Cheng Lin
- Department of Orthopedics, Taipei Medical University Shuang Ho Hospital, New Taipei City, Taiwan
- Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Kuan-Hao Chen
- Department of Orthopedics, Taipei Medical University Shuang Ho Hospital, New Taipei City, Taiwan
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
- Graduate Institute of Biomedical Materials and Engineering, Taipei Medical University, Taipei, Taiwan
| | - Yi-Yen Yeh
- Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Jen-Ming Lai
- Department of Orthopaedic Surgery, Woodlands Health, Singapore
| | - Chang-Jung Chiang
- Department of Orthopedics, Taipei Medical University Shuang Ho Hospital, New Taipei City, Taiwan
- Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Chin-Chean Wong
- Department of Orthopedics, Taipei Medical University Shuang Ho Hospital, New Taipei City, Taiwan
- Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Research Center of Biomedical Devices, Taipei Medical University, Taipei, Taiwan
- International PhD Program for Cell Therapy and Regenerative Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
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11
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Evolution and Clinical Advances of Platelet-Rich Fibrin in Musculoskeletal Regeneration. BIOENGINEERING (BASEL, SWITZERLAND) 2023; 10:bioengineering10010058. [PMID: 36671630 PMCID: PMC9854731 DOI: 10.3390/bioengineering10010058] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/20/2022] [Accepted: 12/21/2022] [Indexed: 01/05/2023]
Abstract
Over the past few decades, various forms of platelet concentrates have evolved with significant clinical utility. The newer generation products, including leukocyte-platelet-rich fibrin (L-PRF) and advanced platelet-rich fibrin (A-PRF), have shown superior biological properties in musculoskeletal regeneration than the first-generation concentrates, such as platelet-rich plasma (PRP) and plasma rich in growth factors. These newer platelet concentrates have a complete matrix of physiological fibrin that acts as a scaffold with a three-dimensional (3D) architecture. Further, it facilitates intercellular signaling and migration, thereby promoting angiogenic, chondrogenic, and osteogenic activities. A-PRF with higher leukocyte inclusion possesses antimicrobial activity than the first generations. Due to the presence of enormous amounts of growth factors and anti-inflammatory cytokines that are released, A-PRF has the potential to replicate the various physiological and immunological factors of wound healing. In addition, there are more neutrophils, monocytes, and macrophages, all of which secrete essential chemotactic molecules. As a result, both L-PRF and A-PRF are used in the management of musculoskeletal conditions, such as chondral injuries, tendinopathies, tissue regeneration, and other sports-related injuries. In addition to this, its applications have been expanded to include the fields of reconstructive cosmetic surgery, wound healing in diabetic patients, and maxillofacial surgeries.
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12
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Patel JM. Impediments to Meniscal Repair: Factors at Play Beyond Vascularity. Front Bioeng Biotechnol 2022; 10:843166. [PMID: 35299635 PMCID: PMC8921501 DOI: 10.3389/fbioe.2022.843166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 02/04/2022] [Indexed: 11/13/2022] Open
Affiliation(s)
- Jay M. Patel
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA, United States
- Atlanta VA Medical Center, Department of Veterans Affairs, Decatur, GA, United States
- *Correspondence: Jay M. Patel,
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13
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Park DY, Yin XY, Chung JY, Jin YJ, Kwon HJ, Lee GB, Park JH, Min BH. Circumferential Rim Augmentation Suture Around the Perimeniscal Capsule Decreases Meniscal Extrusion and Progression of Osteoarthritis in Rabbit Meniscus Root Tear Model. Am J Sports Med 2022; 50:689-698. [PMID: 35289232 DOI: 10.1177/03635465211064297] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND We recently analyzed the joint capsule adjacent to the medial meniscus and found that the perimeniscal joint capsule has collagen fiber orientation similar to that of circumferential meniscal fibers, potentially playing a role in preventing extrusion. PURPOSE To analyze the meniscal extrusion prevention potential of the circumferential rim augmentation suture around the perimeniscal capsule in a rabbit root tear model and analyze the biomechanical function in a porcine cadaveric knee. STUDY DESIGN Controlled laboratory study. METHODS Rabbit medial meniscus root tear models were divided into 3 experimental groups: root tear, root tear and suture repair, and root tear and circumferential rim augmentation suture. As for the circumferential rim augmentation suture procedure, a suture was placed to circumscribe the outer rim of the medial meniscus and passed through bone tunnels located at the tibial insertion of each root. After 4 and 8 weeks, meniscal extrusion was analyzed by micro-computed tomography, gross morphology, and histologic analysis of the medial femoral cartilage. For biomechanical analysis, porcine knees were divided into groups similar to rabbit experiments. Tibiofemoral contact parameters were assessed using a pressure mapping sensor system after applying a load of 200 N on the knee joint. RESULTS The root tear and circumferential rim augmentation suture group showed less meniscal extrusion, less gap within the tear site, and less cartilage degeneration compared with other groups after 4 and 8 weeks of surgery in the rabbit root tear model. Biomechanical analysis showed the root tear and circumferential rim augmentation suture group had larger contact area and lower peak contact pressure compared with root tear and root tear and suture repair groups. CONCLUSION The circumferential rim augmentation suture reduced the degree of meniscal extrusion while restoring meniscal function, potentially preventing progression of arthritis in a rabbit root tear model and porcine knee biomechanical analysis. CLINICAL RELEVANCE The circumferential rim augmentation suture may be a novel augmentation option during root tear treatment.
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Affiliation(s)
- Do Young Park
- Department of Orthopedic Surgery, School of Medicine, Ajou University, Suwon, Republic of Korea.,Cell Therapy Center, Ajou University Medical Center, Suwon, Republic of Korea
| | - Xiang Yun Yin
- Department of Orthopedic Surgery, School of Medicine, Ajou University, Suwon, Republic of Korea.,Cell Therapy Center, Ajou University Medical Center, Suwon, Republic of Korea
| | - Jun Young Chung
- Department of Orthopedic Surgery, School of Medicine, Ajou University, Suwon, Republic of Korea
| | - Yong Jun Jin
- Department of Orthopedic Surgery, School of Medicine, Ajou University, Suwon, Republic of Korea.,Cell Therapy Center, Ajou University Medical Center, Suwon, Republic of Korea
| | - Hyeon Jae Kwon
- Cell Therapy Center, Ajou University Medical Center, Suwon, Republic of Korea.,Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea
| | - Ga Bin Lee
- Cell Therapy Center, Ajou University Medical Center, Suwon, Republic of Korea.,Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea
| | - Jin Ho Park
- Cell Therapy Center, Ajou University Medical Center, Suwon, Republic of Korea.,Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea
| | - Byoung-Hyun Min
- Department of Orthopedic Surgery, School of Medicine, Ajou University, Suwon, Republic of Korea.,Cell Therapy Center, Ajou University Medical Center, Suwon, Republic of Korea.,Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea
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14
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Li W, Pan J, Li J, Guo J, Zeng C, Xie D. Clinical application of polyurethane meniscal scaffold: A meta-analysis. J Orthop 2021; 24:173-181. [PMID: 33716423 PMCID: PMC7933599 DOI: 10.1016/j.jor.2021.02.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 02/14/2021] [Indexed: 10/22/2022] Open
Abstract
OBJECTIVE In patients with partial meniscus defect, the implantation of polyurethane meniscal scaffold has become a common method for the treatment of meniscus vascular entry and tissue regeneration. However, it is unclear whether polyurethane meniscal scaffold will yield better clinical and MRI results after surgery. This meta-analysis compared the clinical and MRI results of polyurethane meniscal scaffold in some patients with meniscus defects. METHODS By searching PubMed, Embase, and Cochrane Library, a systematic review of studies evaluating the clinical outcomes of patients with polyurethane meniscal scaffold implantation. The search terms used are: "meniscus", "meniscal", "scaffold", "Actifit" "polyurethane" and "implant". The study was evaluated based on the patient's reported outcome score, accompanying surgery, and radiology results. Genovese scale was used to evaluate morphology and signal intensity, and Yulish score was used to evaluate the imaging performance of articular cartilage. RESULTS There were 16 studies that met the inclusion criteria, a total of 613 patients, and the overall average follow-up time was 41 months. The clinical scores at the final follow-up, such as VAS, IKDC, Tegner, and KOOS, were significantly improved compared with preoperatively. The MS, SI, and IIRMC scores evaluated in MRI showed no significant difference between preoperative and final follow-up. However, for AC (OR 0.34, 95% CI 0.11-1.00; P = 0.05) and AME (OR 0.08, 95% CI 0.03-0.22; P < 0.01), the final follow-up results were worse than preoperatively. CONCLUSIONS This meta-analysis found that compared with preoperative, the clinical effect of the final follow-up was significantly improved. However, MS, SI, and IIRMC in MRI parameters did not change significantly. In addition, the final follow-up results of AC and AME showed a deteriorating trend. Therefore, for patients with partial meniscus defects, polyurethane meniscal scaffold seem to be a viable option, and further research is needed to determine whether the deterioration of AC and AME is clinically relevant.
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Affiliation(s)
- Wei Li
- Department of orthopedic Surgery, Center for Orthop aedic Surgery, The Third Afiliated Hospital of Southern Medical University, China
| | - Jianying Pan
- Department of orthopedic Surgery, Center for Orthop aedic Surgery, The Third Afiliated Hospital of Southern Medical University, China
| | - Jintao Li
- Department of orthopedic Surgery, Center for Orthop aedic Surgery, The Third Afiliated Hospital of Southern Medical University, China
| | - Jinshan Guo
- Department of orthopedic Surgery, Center for Orthop aedic Surgery, The Third Afiliated Hospital of Southern Medical University, China
- Department of Histology and Embryology, School of Basic Medical Science, Southern Medical University, Guangzhou, China
| | - Chun Zeng
- Department of orthopedic Surgery, Center for Orthop aedic Surgery, The Third Afiliated Hospital of Southern Medical University, China
| | - Denghui Xie
- Department of orthopedic Surgery, Center for Orthop aedic Surgery, The Third Afiliated Hospital of Southern Medical University, China
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15
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Wong CC, Liao JH, Sheu SY, Lin PY, Chen CH, Kuo TF. Novel transplant of combined platelet-rich fibrin Releasate and bone marrow stem cells prevent bone loss in Ovariectomized osteoporotic mice. BMC Musculoskelet Disord 2020; 21:527. [PMID: 32770974 PMCID: PMC7415181 DOI: 10.1186/s12891-020-03549-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 07/30/2020] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Osteoporosis is a metabolic bone disorder characterized by deterioration in the quantity and quality of bone tissue, with a consequent increase susceptibility to fracture. METHODS In this study, we sought to determine the efficacy of platelet-rich fibrin releasates (PRFr) in augmenting the therapeutic effects of stem cell-based therapy in treating osteoporotic bone disorder. An osteoporosis mouse model was established through bilateral ovariectomy on 12-week-old female ICR (Institute of Cancer Research) mice. Eight weeks postoperatively, the ovariectomized (OVX) mice were left untreated (control) or injected with PRFr, bone marrow stem cells (BMSCs), or the combination of BMSCs and PRFr. Two different injection (single versus quadruple) dosages were tested to investigate the accumulative effects of BMSCS and PRFr on bone quality. Eight weeks after injection, the changes in tibial microstructural profiles included the percentage of bone volume versus total tissue volume (BV/TV, %), bone mineral density (BMD, g/cm3), trabecular number (Tb.N, number/mm), and trabecular separation (Tb.Sp, mm) and bony histology were analyzed. RESULTS Postmenopausal osteoporosis model was successfully established in OVX mice, evidenced by reduced BMD, decreased BV/TV, lower Tb.N but increased Tb.Sp. Eight weeks after injection, there was no significant change to BMD and bone trabeculae could be detected in mice that received single-injection regimen. In contrast, in mice which received 4 doses of combined PRFr and BMSCs, the BMD, BV/TV, and TB.N increased, and the TB.Sp decreased significantly compared to untreated OVX mice. Moreover, the histological analysis showed the trabecular spacing become narrower in OVX-mice treated with quadruple injection of BMSCs and combined PRFr and BMSCs than untreated control. CONCLUSION The systemic administration of combined BMSCs and PRFr protected against OVX-induced bone mass loss in mice. Moreover, the improvement of bony profile scores in quadruple-injection group is better than the single-injection group, probably through the increase in effect size of cells and growth factors. Our data also revealed the combination therapy of BMSCs and PRFr has better effect in enhancing osteogenesis, which may provide insight for the development of a novel therapeutic strategy in osteoporosis treatment.
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Affiliation(s)
- Chin-Chean Wong
- Department of Orthopedics, Shuang Ho Hospital, Taipei Medical University, New Taipei City, 23561, Taiwan.,Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 11031, Taiwan.,Research Center of Biomedical Devices, Taipei Medical University, Taipei, 11031, Taiwan.,International Ph.D. Program for Cell Therapy and Regenerative Medicine, College of Medicine, Taipei Medical University, Taipei, 11031, Taiwan.,Non-invasive Cancer Therapy Research Institute of Taiwan, Taipei, 10489, Taiwan
| | - Jeng-Hao Liao
- School of Veterinary Medicine, National Taiwan University, Taipei, 10617, Taiwan
| | - Shi-Yuan Sheu
- School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung, 84001, Taiwan. .,Department of Chinese Medicine, E-Da Cancer Hospital, Kaohsiung, 84001, Taiwan.
| | - Po-Yu Lin
- School of Veterinary Medicine, National Taiwan University, Taipei, 10617, Taiwan
| | - Chih-Hwa Chen
- Department of Orthopedics, Shuang Ho Hospital, Taipei Medical University, New Taipei City, 23561, Taiwan.,Research Center of Biomedical Devices, Taipei Medical University, Taipei, 11031, Taiwan.,School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, 11031, Taiwan.,School of Medicine, College of Medicine, Taipei Medical University, Taipei, 11031, Taiwan
| | - Tzong-Fu Kuo
- School of Veterinary Medicine, National Taiwan University, Taipei, 10617, Taiwan. .,Department of Post-Baccalaureate Veterinary Medicine, Asia University, Taichung, 41354, Taiwan.
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16
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Wong CC, Huang YM, Chen CH, Lin FH, Yeh YY, Bai MY. Cytokine and Growth Factor Delivery from Implanted Platelet-Rich Fibrin Enhances Rabbit Achilles Tendon Healing. Int J Mol Sci 2020; 21:ijms21093221. [PMID: 32370144 PMCID: PMC7247336 DOI: 10.3390/ijms21093221] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 04/27/2020] [Accepted: 04/30/2020] [Indexed: 12/26/2022] Open
Abstract
Tendons are hypocellular and hypovascular tissues, and thus, their natural healing capacity is low. In this study, we sought to evaluate the efficacy of platelet-rich fibrin (PRF) to serve as a bioactive scaffold in promoting the healing of rabbit Achilles tendon injury. For in vitro study, the essence portion of PRF was determined through bioluminescent assay. Furthermore, we analyzed the time-sequential cytokines-release kinetics of PRF and evaluated their effects on tenocytes proliferation and tenogenic gene expressions. In animal study, the rabbit Achilles tendon defect was left untreated or implanted with normal/heat-denatured PRF scaffolds. Six weeks postoperatively, the specimens were evaluated through sonographic imaging and histological analysis. The results revealed significantly more activated platelets on bottom half of the PRF scaffold. Cytokine concentrations released from PRF could be detected from the first hour to six days. For the in vitro study, PRF enhanced cell viability and collagen I, collagen III, tenomodulin, and tenascin gene expression compared to the standard culture medium. For in vivo study, sonographic images revealed significantly better tendon healing in the PRF group in terms of tissue echogenicity and homogeneity. The histological analysis showed that the healing tissues in the PRF group had more organized collagen fiber, less vascularity, and minimal cartilage formation. In conclusion, bioactive PRF promotes in vitro tenocytes viability and tenogenic phenotypic differentiation. Administration of a PRF scaffold at the tendon defect promotes tissue healing as evidenced by imaging and histological outcomes.
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Affiliation(s)
- Chin-Chean Wong
- Department of Orthopedics, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan; (C.-C.W.); (Y.-M.H.); (C.-H.C.)
- Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- Research Center of Biomedical Devices, Taipei Medical University, Taipei 11031, Taiwan
- International Ph.D. Program for Cell Therapy and Regenerative Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Yu-Min Huang
- Department of Orthopedics, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan; (C.-C.W.); (Y.-M.H.); (C.-H.C.)
- Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- Department of Biomedical Engineering National Taiwan University, Taipei 10617, Taiwan;
| | - Chih-Hwa Chen
- Department of Orthopedics, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan; (C.-C.W.); (Y.-M.H.); (C.-H.C.)
- Research Center of Biomedical Devices, Taipei Medical University, Taipei 11031, Taiwan
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan;
- School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Feng-Huei Lin
- Department of Biomedical Engineering National Taiwan University, Taipei 10617, Taiwan;
- Institute of Biomedical Engineering & Nanomedicine, National Health Research Institutes, Miaoli County 35053, Taiwan
| | - Yi-Yen Yeh
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan;
| | - Meng-Yi Bai
- Graduate Institute of Biomedical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
- Correspondence:
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17
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Xu J, Gou L, Zhang P, Li H, Qiu S. Platelet-rich plasma and regenerative dentistry. Aust Dent J 2020; 65:131-142. [PMID: 32145082 PMCID: PMC7384010 DOI: 10.1111/adj.12754] [Citation(s) in RCA: 151] [Impact Index Per Article: 37.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/27/2020] [Indexed: 11/30/2022]
Abstract
Regenerative dentistry is an emerging field of medicine involving stem cell technology, tissue engineering and dental science. It exploits biological mechanisms to regenerate damaged oral tissues and restore their functions. Platelet‐rich plasma (PRP) is a biological product that is defined as the portion of plasma fraction of autologous blood with a platelet concentration above that of the original whole blood. A super‐mixture of key cytokines and growth factors is present in platelet granules. Thus, the application of PRP has gained unprecedented attention in regenerative medicine. The rationale underlies the utilization of PRP is that it acts as a biomaterial to deliver critical growth factors and cytokines from platelet granules to the targeted area, thus promoting regeneration in a variety of tissues. Based on enhanced understanding of cell signalling and growth factor biology, researchers have begun to use PRP treatment as a novel method to regenerate damaged tissues, including liver, bone, cartilage, tendon and dental pulp. To enable better understanding of the regenerative effects of PRP in dentistry, this review describes different methods of preparation and application of this biological product, and provides detailed explanations of the controversies and future prospects related to the use of PRP in dental regenerative medicine.
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Affiliation(s)
- J Xu
- Shenzhen Longgang Institute of Stomatology, Shenzhen, Guangdong, China.,Department of Otolaryngology, Longgang E.N.T. Hospital & Shenzhen Key Laboratory of E.N.T., Institute of E.N.T, Shenzhen, Guangdong, China
| | - L Gou
- Center for Genetic Medicine, Xuzhou Maternity and Child Health Care Hospital, Xuzhou, Jiangsu, China
| | - P Zhang
- Shenzhen Longgang Institute of Stomatology, Shenzhen, Guangdong, China.,Department of Otolaryngology, Longgang E.N.T. Hospital & Shenzhen Key Laboratory of E.N.T., Institute of E.N.T, Shenzhen, Guangdong, China
| | - H Li
- Shenzhen Longgang Institute of Stomatology, Shenzhen, Guangdong, China.,Department of Otolaryngology, Longgang E.N.T. Hospital & Shenzhen Key Laboratory of E.N.T., Institute of E.N.T, Shenzhen, Guangdong, China
| | - S Qiu
- Department of Otolaryngology, Longgang E.N.T. Hospital & Shenzhen Key Laboratory of E.N.T., Institute of E.N.T, Shenzhen, Guangdong, China
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18
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Platelet-Rich Fibrin Facilitates One-Stage Cartilage Repair by Promoting Chondrocytes Viability, Migration, and Matrix Synthesis. Int J Mol Sci 2020; 21:ijms21020577. [PMID: 31963217 PMCID: PMC7014470 DOI: 10.3390/ijms21020577] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/09/2020] [Accepted: 01/13/2020] [Indexed: 01/18/2023] Open
Abstract
The main aim of this study is to develop a one-stage method to combine platelet-rich fibrin (PRF) and autologous cartilage autografts for porcine articular cartilage repair. The porcine chondrocytes were treated with different concentrations of PRF-conditioned media and were evaluated for their cell viability and extracellular glycosaminoglycan (GAG) synthesis during six day cultivation. The chemotactic effects of PRF on chondrocytes on undigested cartilage autografts were revealed in explant cultures. For the in vivo part, porcine chondral defects were created at the medial femoral condyles of which were (1) left untreated, (2) implanted with PRF combined with hand-diced cartilage grafts, or (3) implanted with PRF combined with device-diced cartilage grafts. After six months, gross grades, histological, and immunohistochemical analyses were compared. The results showed that PRF promotes the viability and GAG expression of the cultured chondrocytes. Additionally, the PRF-conditioned media induce significant cellular migration and outgrowth of chondrocytes from undigested cartilage grafts. In the in vivo study, gross grading and histological scores showed significantly better outcomes in the treatment groups as compared with controls. Moreover, both treatment groups showed significantly more type II collagen staining and minimal type I collagen staining as compared with controls, indicating more hyaline-like cartilage and less fibrous tissue. In conclusion, PRF enhances the viability, differentiation, and migration of chondrocytes, thus, showing an appealing capacity for cartilage repair. The data altogether provide evidences to confirm the feasibility of a one-stage, culture-free method of combining PRF and cartilage autografts for repairing articular cartilage defects. From translational standpoints, these advantages benefit clinical applications by simplifying and potentiating the efficacy of cartilage autograft transplants.
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19
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Grecu AF, Reclaru L, Ardelean LC, Nica O, Ciucă EM, Ciurea ME. Platelet-Rich Fibrin and its Emerging Therapeutic Benefits for Musculoskeletal Injury Treatment. ACTA ACUST UNITED AC 2019; 55:medicina55050141. [PMID: 31096718 PMCID: PMC6572609 DOI: 10.3390/medicina55050141] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 04/21/2019] [Accepted: 04/23/2019] [Indexed: 12/12/2022]
Abstract
New therapies that accelerate musculoskeletal tissue recovery are highly desirable. Platelet-rich fibrin (PRF) is a leukocyte- and platelet-rich fibrin biomaterial that acts as a binding site for both platelets and growth factors. Through increasing the local concentration of growth factors at specific tissues, PRF promotes tissue regeneration. PRF has been frequently used in combination with bone graft materials to reduce healing times and promote bone regeneration during maxillofacial surgery. However, its benefits during muscle repair and recovery are less well-documented. Here, we perform a narrative review on PRF therapies and muscle injuries to ascertain its beneficial effects. We reviewed the factors that contribute to the biological activity of PRF and the published pre-clinical and clinical evidence to support its emerging use in musculoskeletal therapy. We include in vitro studies, in vivo animal studies and clinical articles highlighting both the success and failures of PRF treatment. PRF can promote the healing process when used in a range of orthopaedic and sports-related injuries. These include cartilage repair, rotator cuff surgery and anterior cruciate ligament surgery. However, conflicting data for these benefits have been reported, most likely due to inconsistencies in both PRF preparation protocols and dosing regimens. Despite this, the literature generally supports the use of PRF as a beneficial adjuvant for a range of chronic muscle, tendon, bone or other soft tissue injuries. Further clinical trials to confirm these benefits require consistency in PRF preparation and the classification of a successful clinical outcome to fully harness its potential.
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Affiliation(s)
- Alexandru Florian Grecu
- PhD Researcher - University of Medicine and Pharmacy Craiova, str. Petru Rares no.2, 200349, Craiova, Romania.
| | - Lucien Reclaru
- Varinor Matériaux SA, 7 St-Georges str, CH 2800, Delémont, Switzerland.
| | - Lavinia Cosmina Ardelean
- "Victor Babes" University of Medicine and Pharmacy from Timisoara, Dept. of Technology of Materials and 9 Devices in Dental Medicine,2 Eftimie Murgu sq, 300041 Timisoara, Romania.
| | - Oliviu Nica
- PhD Researcher - University of Medicine and Pharmacy Craiova, str. Petru Rares no.2, 200349, Craiova, Romania.
| | - Eduard Mihai Ciucă
- Department of Oro-Maxilo-Facial Surgery ⁻ University of Medicine and Pharmacy Craiova, str. Petru Rares, no.2, 200349 Craiova, Romania.
| | - Marius Eugen Ciurea
- Department of Plastic Surgery - University of Medicine and Pharmacy of Craiova, str. Petru Rares, no.2, 200349 Craiova, Romania.
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Barbon S, Stocco E, Macchi V, Contran M, Grandi F, Borean A, Parnigotto PP, Porzionato A, De Caro R. Platelet-Rich Fibrin Scaffolds for Cartilage and Tendon Regenerative Medicine: From Bench to Bedside. Int J Mol Sci 2019; 20:ijms20071701. [PMID: 30959772 PMCID: PMC6479320 DOI: 10.3390/ijms20071701] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 03/30/2019] [Accepted: 04/01/2019] [Indexed: 12/22/2022] Open
Abstract
Nowadays, research in Tissue Engineering and Regenerative Medicine is focusing on the identification of instructive scaffolds to address the requirements of both clinicians and patients to achieve prompt and adequate healing in case of injury. Among biomaterials, hemocomponents, and in particular Platelet-rich Fibrin matrices, have aroused widespread interest, acting as delivery platforms for growth factors, cytokines and immune/stem-like cells for immunomodulation; their autologous origin and ready availability are also noteworthy aspects, as safety- and cost-related factors and practical aspects make it possible to shorten surgical interventions. In fact, several authors have focused on the use of Platelet-rich Fibrin in cartilage and tendon tissue engineering, reporting an increasing number of in vitro, pre-clinical and clinical studies. This narrative review attempts to compare the relevant advances in the field, with particular reference being made to the regenerative role of platelet-derived growth factors, as well as the main pre-clinical and clinical research on Platelet-rich Fibrin in chondrogenesis and tenogenesis, thereby providing a basis for critical revision of the topic.
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Affiliation(s)
- Silvia Barbon
- Department of Neuroscience, Section of Human Anatomy, University of Padova, Via A. Gabelli 65, 35121 Padova, Italy.
- LifeLab Program, Consorzio per la Ricerca Sanitaria (CORIS), Veneto Region, Via N. Giustiniani 2, 35128 Padova, Italy.
| | - Elena Stocco
- Department of Neuroscience, Section of Human Anatomy, University of Padova, Via A. Gabelli 65, 35121 Padova, Italy.
- LifeLab Program, Consorzio per la Ricerca Sanitaria (CORIS), Veneto Region, Via N. Giustiniani 2, 35128 Padova, Italy.
| | - Veronica Macchi
- Department of Neuroscience, Section of Human Anatomy, University of Padova, Via A. Gabelli 65, 35121 Padova, Italy.
- LifeLab Program, Consorzio per la Ricerca Sanitaria (CORIS), Veneto Region, Via N. Giustiniani 2, 35128 Padova, Italy.
| | - Martina Contran
- Department of Neuroscience, Section of Human Anatomy, University of Padova, Via A. Gabelli 65, 35121 Padova, Italy.
| | - Francesca Grandi
- Complex Operative Unit-Pediatric Surgery, Hospital of Bolzano, Via L. Böhler 5, 39100 Bolzano, Italy.
| | - Alessio Borean
- Department of Immunohematology and Transfusion Medicine, San Martino Hospital, 32100 Belluno, Italy.
| | - Pier Paolo Parnigotto
- Foundation for Biology and Regenerative Medicine, Tissue Engineering and Signaling (T.E.S.) Onlus, 35131 Padua, Italy.
| | - Andrea Porzionato
- Department of Neuroscience, Section of Human Anatomy, University of Padova, Via A. Gabelli 65, 35121 Padova, Italy.
- LifeLab Program, Consorzio per la Ricerca Sanitaria (CORIS), Veneto Region, Via N. Giustiniani 2, 35128 Padova, Italy.
| | - Raffaele De Caro
- Department of Neuroscience, Section of Human Anatomy, University of Padova, Via A. Gabelli 65, 35121 Padova, Italy.
- LifeLab Program, Consorzio per la Ricerca Sanitaria (CORIS), Veneto Region, Via N. Giustiniani 2, 35128 Padova, Italy.
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The Composition of Hyperacute Serum and Platelet-Rich Plasma Is Markedly Different despite the Similar Production Method. Int J Mol Sci 2019; 20:ijms20030721. [PMID: 30743992 PMCID: PMC6386965 DOI: 10.3390/ijms20030721] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 02/05/2019] [Indexed: 02/07/2023] Open
Abstract
Autologous blood derived products, such as platelet-rich plasma (PRP) and platelet-rich fibrin (PRF) are widely applied in regenerative therapies, in contrast to the drawbacks in their application, mainly deriving from the preparation methods used. Eliminating the disadvantages of both PRP and PRF, hyperacute serum (HAS) opens a new path in autologous serum therapy showing similar or even improved regenerative potential at the same time. Despite the frequent experimental and clinical use of PRP and HAS, their protein composition has not been examined thoroughly yet. Thus, we investigated and compared the composition of HAS, serum, PRP and plasma products using citrate and EDTA by simple laboratory tests, and we compared the composition of HAS, serum, EDTA PRP and plasma by Proteome Profiler and ELISA assays. According to our results the natural ionic balance was upset in both EDTA and citrate PRP as well as in plasma. EDTA PRP contained significantly higher level of growth factors and cytokines, especially platelet derived angiogenic and inflammatory proteins, that can be explained by the significantly higher number of platelets in EDTA PRP. The composition analysis of blood derivatives revealed that although the preparation method of PRP and HAS were similar, the ionic and protein composition of HAS could be advantageous for cell function.
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Vaquero-Picado A, Rodríguez-Merchán EC. Arthroscopic repair of the meniscus: Surgical management and clinical outcomes. EFORT Open Rev 2018; 3:584-594. [PMID: 30595844 PMCID: PMC6275851 DOI: 10.1302/2058-5241.3.170059] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
From the biomechanical and biological points of view, an arthroscopic meniscal repair (AMR) should always be considered as an option. However, AMR has a higher reoperation rate compared with arthroscopic partial meniscectomy, so it should be carefully indicated. Compared with meniscectomy, AMR outcomes are better and the incidence of osteoarthritis is lower when it is well indicated. Factors influencing healing and satisfactory results must be carefully evaluated before indicating an AMR. Tears in the peripheral third are more likely to heal than those in the inner thirds. Vertical peripheral longitudinal tears are the best scenario in terms of success when facing an AMR. ‘Inside-out’ techniques were considered as the gold standard for large repairs on mid-body and posterior parts of the meniscus. However, recent studies do not demonstrate differences regarding failure rate, functional outcomes and complications, when compared with the ‘all-inside’ techniques. Some biological therapies try to enhance meniscal repair success but their efficacy needs further research. These are: mechanical stimulation, supplemental bone marrow stimulation, platelet rich plasma, stem cell therapy, and scaffolds and membranes. Meniscal root tear/avulsion dramatically compromises meniscal stability, accelerating cartilage degeneration. Several options for reattachment have been proposed, but no differences between them have been established. However, repair of these lesions is actually the reference of the treatment. Meniscal ramp lesions consist of disruption of the peripheral attachment of the meniscus. In contrast, with meniscal root tears, the treatment of reference has not yet been well established.
Cite this article: EFORT Open Rev 2018;3:584-594. DOI: 10.1302/2058-5241.3.170059
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Biological and Mechanical Properties of Platelet-Rich Fibrin Membranes after Thermal Manipulation and Preparation in a Single-Syringe Closed System. Int J Mol Sci 2018; 19:ijms19113433. [PMID: 30388866 PMCID: PMC6274993 DOI: 10.3390/ijms19113433] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 10/24/2018] [Accepted: 10/29/2018] [Indexed: 12/12/2022] Open
Abstract
Platelet-rich fibrin (PRF) membrane is a three-dimensional biodegradable biopolymer, which consists of platelet derived growth factors enhancing cell adhesion and proliferation. It is widely used in soft and hard tissue regeneration, however, there are unresolved problems with its clinical application. Its preparation needs open handling of the membranes, it degrades easily, and it has a low tensile strength which does not hold a suture blocking wider clinical applications of PRF. Our aim was to produce a sterile, suturable, reproducible PRF membrane suitable for surgical intervention. We compared the biological and mechanical properties of PRF membranes created by the classical glass-tube and those that were created in a single-syringe closed system (hypACT Inject), which allowed aseptic preparation. HypACT Inject device produces a PRF membrane with better handling characteristics without compromising biological properties. Freeze-thawing resulted in significantly higher tensile strength and higher cell adhesion at a lower degradation rate of the membranes. Mesenchymal stem cells seeded onto PRF membranes readily proliferated on the surface of fresh, but even better on freeze/thawed or freeze-dried membranes. These data show that PRF membranes can be made sterile, more uniform and significantly stronger which makes it possible to use them as suturable surgical membranes.
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Cell-Free Strategies for Repair and Regeneration of Meniscus Injuries through the Recruitment of Endogenous Stem/Progenitor Cells. Stem Cells Int 2018; 2018:5310471. [PMID: 30123286 PMCID: PMC6079391 DOI: 10.1155/2018/5310471] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 04/24/2018] [Indexed: 12/25/2022] Open
Abstract
The meniscus plays a vital role in protecting the articular cartilage of the knee joint. The inner two-thirds of the meniscus are avascular, and injuries to this region often fail to heal without intervention. The use of tissue engineering and regenerative medicine techniques may offer novel and effective approaches to repairing meniscal injuries. Meniscal tissue engineering and regenerative medicine typically use one of two techniques, cell-based or cell-free. While numerous cell-based strategies have been applied to repair and regenerate meniscal defects, these techniques possess certain limitations including cellular contamination and an increased risk of disease transmission. Cell-free strategies attempt to repair and regenerate the injured tissues by recruiting endogenous stem/progenitor cells. Cell-free strategies avoid several of the disadvantages of cell-based techniques and, therefore, may have a wider clinical application. This review first compares cell-based to cell-free techniques. Next, it summarizes potential sources for endogenous stem/progenitor cells. Finally, it discusses important recruitment factors for meniscal repair and regeneration. In conclusion, cell-free techniques, which focus on the recruitment of endogenous stem and progenitor cells, are growing in efficacy and may play a critical role in the future of meniscal repair and regeneration.
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Kemmochi M, Sasaki S, Takahashi M, Nishimura T, Aizawa C, Kikuchi J. The use of platelet-rich fibrin with platelet-rich plasma support meniscal repair surgery. J Orthop 2018; 15:711-720. [PMID: 29881226 DOI: 10.1016/j.jor.2018.05.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 05/06/2018] [Indexed: 12/12/2022] Open
Abstract
Introduction Platelet-rich fibrin (PRF) is the only autologous blood product that releases growth factors and has scaffolding properties. We hypothesized that the use of PRF and Platelet-rich plasma (PRP) would improve operative results, including the recovery of function and repaired meniscus. Materials and Methods Seventeen patients underwent arthroscopic meniscus repair with PRF and PRP (PRF group) using our novel device for the injection of the PRF into the joint. Another five patients as a control group underwent meniscal repair without PRF and PRP (non-PRF group). The groups were compared in terms of clinical results (Tegner Activity Level Scale, Lysholm Knee Scoring Scale, and International Knee Documentation Committee [IKDC] scores) and changes in magnetic resonance imaging (MRI) findings before surgery and 6 months after surgery. Results The Lysholm and IKDC scores improved in all patients postoperatively. However, there was no significant differencies in the postoperative score between the PRF group and the non-PRF group. Follow-up MRI findings did not clearly show improvements. Conclusions PRF and PRP are autologous, safe, and cost-effective sources of growth factors. Therefore, we propose a new application of PRF and PRP for autologous transplantation in meniscus repair surgery.
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Affiliation(s)
- Masahiko Kemmochi
- Kemmochi Orthopedic Surgery Sports Clinic, KOSSMOS Medical Corporation, 42-1 Higashi honcho, Ota, Gunma, 373-0026, Japan
| | - Shigeru Sasaki
- Department of Orthopaedic Surgery, Kyorin University, Tokyo, Japan
- Japan Community Health Care Organization, Yamanashi Hospital, Kofu, Yamanashi, Japan
| | - Masako Takahashi
- Kemmochi Orthopedic Surgery Sports Clinic Nurse Part, KOSSMOS Medical Corporation, Ota, Gunma, Japan
| | - Tomitaka Nishimura
- Kemmochi Orthopedic Surgery Sports Clinic Nurse Part, KOSSMOS Medical Corporation, Ota, Gunma, Japan
| | - Chisa Aizawa
- Kemmochi Orthopedic Surgery Sports Clinic Nurse Part, KOSSMOS Medical Corporation, Ota, Gunma, Japan
| | - Jun Kikuchi
- Kemmochi Orthopedic Surgery Sports Clinic Rehabilitation Part, KOSSMOS Medical Corporation, Ota, Gunma, Japan
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