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Salamanna F, Contartese D, Tedesco G, Ruffilli A, Manzetti M, Viroli G, Traversari M, Faldini C, Giavaresi G. Efficacy of using autologous cells with graft substitutes for spinal fusion surgery: A systematic review and meta-analysis of clinical outcomes and imaging features. JOR Spine 2024; 7:e1347. [PMID: 38947860 PMCID: PMC11212337 DOI: 10.1002/jsp2.1347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 05/06/2024] [Accepted: 05/27/2024] [Indexed: 07/02/2024] Open
Abstract
Over the past several decades, there has been a notable increase in the total number of spinal fusion procedures worldwide. Advanced spinal fusion techniques, surgical approaches, and new alternatives in grafting materials and implants, as well as autologous cellular therapies, have been widely employed for treating spinal diseases. While the potential of cellular therapies to yield better clinical results is appealing, supportive data are needed to confirm this claim. This meta-analysis aims to compare the radiographic and clinical outcomes between graft substitutes with autologous cell therapies and graft substitutes alone. PubMed, Scopus, Web of Science, ClinicalTrials.gov, and the Cochrane Central Register of Controlled Trials were searched for studies comparing graft substitutes with autologous cell therapies and graft substitutes alone up to February 2024. The risk of bias of the included studies was evaluated using the Downs and Black checklist. The following outcomes were extracted for comparison: fusion success, complications/adverse events, Visual Analog Scale (VAS) score, and Oswestry Disability Index (ODI) score. Thirteen studies involving 836 patients were included, with 7 studies considered for the meta-analysis. Results indicated that the use of graft substitutes with autologous cell therapies demonstrated higher fusion success rates at 3, 6, and 12 months, lower VAS score at 6 months, and lower ODI score at 3, 6, and 12 months. The complication rate was similar between graft substitutes with autologous cell therapies and graft substitutes alone. Although the current literature remains limited, this meta-analysis suggests that the incorporation of cellular therapies such as bone marrow and platelet derivatives with graft substitutes is associated with a higher fusion rate and significant improvements in functional status and pain following spinal fusion. Future well-designed randomized clinical trials are needed to definitively assess the clinical effectiveness of cellular therapies in spinal fusion.
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Affiliation(s)
- F. Salamanna
- Surgical Sciences and Technologies, IRCCS Istituto Ortopedico RizzoliBolognaItaly
| | - D. Contartese
- Surgical Sciences and Technologies, IRCCS Istituto Ortopedico RizzoliBolognaItaly
| | - G. Tedesco
- Department of Spine SurgeryIRCCS Istituto Ortopedico RizzoliBolognaItaly
| | - A. Ruffilli
- 1st Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico RizzoliBolognaItaly
- Department of Biomedical and Neuromotor Science—DIBINEMUniversity of BolognaBolognaItaly
| | - M. Manzetti
- 1st Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico RizzoliBolognaItaly
- Department of Biomedical and Neuromotor Science—DIBINEMUniversity of BolognaBolognaItaly
| | - G. Viroli
- 1st Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico RizzoliBolognaItaly
- Department of Biomedical and Neuromotor Science—DIBINEMUniversity of BolognaBolognaItaly
| | - M. Traversari
- 1st Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico RizzoliBolognaItaly
| | - C. Faldini
- 1st Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico RizzoliBolognaItaly
- Department of Biomedical and Neuromotor Science—DIBINEMUniversity of BolognaBolognaItaly
| | - G. Giavaresi
- Surgical Sciences and Technologies, IRCCS Istituto Ortopedico RizzoliBolognaItaly
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Alvero AB, Wright-Chisem J, Vogel MJ, Wright-Chisem A, Mather RC, Nho SJ. Treatment of Hip Cartilage Defects in Athletes. Sports Med Arthrosc Rev 2024; 32:95-103. [PMID: 38978203 DOI: 10.1097/jsa.0000000000000378] [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: 07/10/2024]
Abstract
Chondral defects in the athlete's hip are a relatively common occurrence, often presenting with debilitating pain and activity limitation. Preoperative identification of cartilage defects is challenging and there are many different modalities for treatment. Nonsurgical interventions, including activity modification, physical therapy, and injections, play a vital role, especially in less severe cases and as adjuncts to surgical intervention. Treating surgeons must be familiar with the cartilage restoration procedures available, including debridement, microfracture, and various implantation and transplantation options. Safe and effective management of cartilage defects is imperative to an athlete's return to sport. It is also imperative that surgeons are aware of all these various treatment options to determine what modality is best for their patients. This review serves to outline these options, cover the published literature, and provide general guidelines for surgeons when they encounter chondral defects in the office and the operating room.
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Affiliation(s)
- Alexander B Alvero
- Section of Young Adult Hip Surgery, Division of Sports Medicine, Department of Orthopedic Surgery, Rush Medical College of Rush University, Rush University Medical Center; Chicago, IL
| | - Joshua Wright-Chisem
- Section of Young Adult Hip Surgery, Division of Sports Medicine, Department of Orthopedic Surgery, Rush Medical College of Rush University, Rush University Medical Center; Chicago, IL
| | - Michael J Vogel
- Section of Young Adult Hip Surgery, Division of Sports Medicine, Department of Orthopedic Surgery, Rush Medical College of Rush University, Rush University Medical Center; Chicago, IL
| | - Adam Wright-Chisem
- Department of Orthopedic Surgery, Cedars-Sinai Medical Center, Los Angeles, CA
| | - Richard C Mather
- Department of Orthopedic Surgery, Duke University Medical Center, Durham, NC
| | - Shane J Nho
- Section of Young Adult Hip Surgery, Division of Sports Medicine, Department of Orthopedic Surgery, Rush Medical College of Rush University, Rush University Medical Center; Chicago, IL
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Jawanda H, Khan ZA, Warrier AA, Acuña AJ, Allahabadi S, Kaplan DJ, Ritz E, Jackson GR, Mameri ES, Batra A, Dornan G, Westrick J, Verma NN, Chahla J. Platelet-Rich Plasma, Bone Marrow Aspirate Concentrate, and Hyaluronic Acid Injections Outperform Corticosteroids in Pain and Function Scores at a Minimum of 6 Months as Intra-Articular Injections for Knee Osteoarthritis: A Systematic Review and Network Meta-analysis. Arthroscopy 2024; 40:1623-1636.e1. [PMID: 38331363 DOI: 10.1016/j.arthro.2024.01.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 01/23/2024] [Accepted: 01/28/2024] [Indexed: 02/10/2024]
Abstract
PURPOSE To compare the efficacy of common intra-articular injections used in the treatment of knee osteoarthritis, including corticosteroid (CS), hyaluronic acid (HA), platelet-rich plasma (PRP), and bone marrow aspirate concentrate (BMAC), with a minimum follow-up of 6-months. METHODS A literature search was conducted using the 2020 Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines in August 2022 in the following databases: PubMed/MEDLINE, Scopus, Cochrane Database of Controlled Trials, and the Cochrane Database of Systematic Reviews. Level I to II randomized clinical trials with a minimum follow-up of 6 months that investigated the treatments of interest were included. Patient-reported outcome scores for pain and function at baseline and at latest follow-up were extracted, and the change in scores was converted to uniform 0 to 100 scales. Arm-based Bayesian network meta-analysis using a random-effects model was created to compare the treatment arms in pain and function. RESULTS Forty-eight studies comprising a total of 9,338 knees were included. The most studied intra-articular injection was HA (40.9%), followed by placebo (26.2%), PRP (21.5%), CS (8.8%), and then BMAC (2.5%). HA and PRP both led to a significant improvement in pain compared with placebo. HA, PRP, and BMAC all led to a significant improvement in function scores when compared with placebo. Surface under the cumulative ranking curves (SUCRAs) of the interventions revealed that PRP, BMAC, and HA were the treatments with the highest likelihood of improvement in both pain and function, with overall SUCRA scores of 91.54, 76.46, and 53.12, respectively. The overall SUCRA scores for CS and placebo were 15.18 and 13.70, respectively. CONCLUSIONS At a minimum 6-month follow-up, PRP demonstrated significantly improved pain and function for patients with knee osteoarthritis compared with placebo. Additionally, PRP exhibited the highest SUCRA values for these outcomes when compared with BMAC, HA, and CS. LEVEL OF EVIDENCE Level II, meta-analysis of Level I to II studies.
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Affiliation(s)
- Harkirat Jawanda
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Zeeshan A Khan
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Alec A Warrier
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Alexander J Acuña
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Sachin Allahabadi
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Daniel J Kaplan
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Ethan Ritz
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Garrett R Jackson
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Enzo S Mameri
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A.; Instituto Brasil de Tecnologia de Saude, Rio de Janeiro, Brazil; Department of Orthopedics and Traumatology, Federal University of São Paulo (EPM-UNIFESP), São Paulo, Brazil
| | - Anjay Batra
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Grant Dornan
- Steadman Philippon Research Institute, Vail, Colorado, U.S.A
| | - Jennifer Westrick
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Nikhil N Verma
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Jorge Chahla
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A..
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Baird HBG, Ashy CC, Kodali P, Myer GD, Murray IR, Pullen WM, Slone HS. Most Publications Regarding Platelet-Rich Plasma Use in the Knee Are From Asia, Investigate Injection for Osteoarthritis, and Show Outcome Improvement: A Scoping Review. Arthroscopy 2024:S0749-8063(24)00252-4. [PMID: 38537725 DOI: 10.1016/j.arthro.2024.03.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/12/2024] [Accepted: 03/17/2024] [Indexed: 04/23/2024]
Abstract
PURPOSE To evaluate and synthesize the available literature related to platelet-rich plasma (PRP) treatment of knee pathologies and to provide recommendations to inform future research in the field. METHODS PubMed, CINAHL, and Scopus databases were queried on October 6, 2023. All identified citations were collated and uploaded into Covidence for screening and data extraction. Studies were included if they were human studies published in English with adult cohorts that received PRP as a procedural injection or surgical augmentation for knee pathologies with patient-reported outcome measures (PROMs) and level of evidence Levels I-IV. RESULTS Our search yielded 2,615 studies, of which 155 studies from 2006 to 2023 met the inclusion criteria. Median follow-up was 9 months (±11.2 months). Most studies (75.5%) characterized the leukocyte content of PRP, although most studies (86%) did not use a comprehensive classification scheme. In addition, most studies were from Asia (50%) and Europe (32%) and were from a single center (96%). In terms of treatment, 74% of studies examined PRP as a procedural injection, whereas 26% examined PRP as an augmentation. Most studies (68%) examined treatment of knee osteoarthritis. Many studies (83%) documented significant improvements in PROMs, including 93% of Level III/IV evidence studies and 72% of Level I/II evidence studies, although most studies (70%) failed to include minimal clinically important difference values. The visual analog scale was the most-used PROM (58% of studies), whereas the Short Form Health Survey 36-item was the least-used PROM (5% of studies). CONCLUSIONS Most published investigations of knee PRP are performed in Asia, investigate procedural injection for osteoarthritis, and show significant outcome improvements. In addition, this review highlights the need for better classification of PRP formulations. LEVEL OF EVIDENCE Level IV, scoping Review of level I-IV studies.
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Affiliation(s)
- Henry B G Baird
- College of Medicine, Medical University of South Carolina, Charleston, South Carolina, U.S.A..
| | - Cody C Ashy
- Department of Orthopedic Surgery and Physical Medicine, Medical University of South Carolina, Charleston, South Carolina, U.S.A
| | - Prudhvi Kodali
- College of Medicine, Medical University of South Carolina, Charleston, South Carolina, U.S.A
| | - Gregory D Myer
- Emory Sports Performance and Research Center (SPARC), Flowery Branch, Georgia, U.S.A.; Emory Sports Medicine Center, Atlanta, Georgia, U.S.A.; Department of Orthopaedics, Emory University School of Medicine, Atlanta, Georgia, U.S.A.; The Micheli Center for Sports Injury Prevention, Waltham, Massachusetts, U.S.A.; Youth Physical Development Centre, Cardiff Metropolitan University, Wales, United Kingdom
| | - Iain R Murray
- The University of Edinburgh, Edinburgh, United Kingdom
| | - W Michael Pullen
- Department of Orthopedic Surgery and Physical Medicine, Medical University of South Carolina, Charleston, South Carolina, U.S.A
| | - Harris S Slone
- Department of Orthopedic Surgery and Physical Medicine, Medical University of South Carolina, Charleston, South Carolina, U.S.A
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Mochizuki T, Ushiki T, Suzuki K, Sato M, Ishiguro H, Suwabe T, Watanabe S, Edama M, Omori G, Yamamoto N, Kawase T. Elevated IL-1β and Comparable IL-1 Receptor Antagonist Levels Are Characteristic Features of L-PRP in Female College Athletes Compared to Male Professional Soccer Players. Int J Mol Sci 2023; 24:17487. [PMID: 38139317 PMCID: PMC10743764 DOI: 10.3390/ijms242417487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/10/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023] Open
Abstract
Autologous platelet-rich plasma (PRP) therapy has been becoming popular for the treatment of musculotendinous injuries among athletes. However, for individual and practical variations, clinical success is hardly predictable. To overcome this difficulty, we have been exploring possible criterion candidates for monitoring its clinical effectiveness. In this study, we focused on sex-based differences in young elite athletes and compared the biochemical compositions of their PRP. Leukocyte-rich PRP (L-PRP) was manually prepared from blood samples collected from male professional soccer players (mPSPs) (n = 25) and female college athletes (fCAs) (n = 36). Platelet-derived growth factor-BB (PDGF-BB), transforming-growth factor-β1 (TGFβ1), platelet factor-4 (PF4), interleukin-1β (IL-1β), and IL-1 receptor antagonist (IL-1RA) were quantified using an enzyme-linked immunosorbent assay. The levels of PDGF-BB, TGFβ1, and PF4 in L-PRP were significantly higher in mPSPs than in fCAs. Conversely, IL-1β and IL-1RA were detected at significantly and slightly higher levels, respectively, in fCAs than in mPSPs. Our findings suggest that, even though L-PRP from fCAs may have lower potential to induce cell growth and differentiation than that of mPSPs, due to the latter's higher capacity to control inflammation, it does not necessarily imply that PRP treatment in fCAs is less effective. Thus, these cytokine levels should be checked before PRP therapy.
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Affiliation(s)
- Tomoharu Mochizuki
- Department of Orthopaedic Surgery, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan;
| | - Takashi Ushiki
- Division of Hematology and Oncology, Graduate School of Health Sciences, Niigata University, Niigata 951-8518, Japan;
- Department of Transfusion Medicine, Cell Therapy and Regenerative Medicine, Niigata University Medical and Dental Hospital, Niigata 951-8520, Japan; (K.S.); (M.S.)
- Department of Hematology, Endocrinology and Metabolism, Faculty of Medicine, Niigata University, Niigata 951-8510, Japan; (H.I.); (T.S.)
| | - Katsuya Suzuki
- Department of Transfusion Medicine, Cell Therapy and Regenerative Medicine, Niigata University Medical and Dental Hospital, Niigata 951-8520, Japan; (K.S.); (M.S.)
| | - Misato Sato
- Department of Transfusion Medicine, Cell Therapy and Regenerative Medicine, Niigata University Medical and Dental Hospital, Niigata 951-8520, Japan; (K.S.); (M.S.)
| | - Hajime Ishiguro
- Department of Hematology, Endocrinology and Metabolism, Faculty of Medicine, Niigata University, Niigata 951-8510, Japan; (H.I.); (T.S.)
| | - Tatsuya Suwabe
- Department of Hematology, Endocrinology and Metabolism, Faculty of Medicine, Niigata University, Niigata 951-8510, Japan; (H.I.); (T.S.)
| | - Satoshi Watanabe
- Department of Orthopaedic Surgery, Niigata Medical Center, Niigata 950-2022, Japan;
| | - Mutsuaki Edama
- Department of Health and Sports, Faculty of Health Sciences, Niigata University of Health and Welfare, Niigata 950-3102, Japan; (M.E.); (G.O.)
| | - Go Omori
- Department of Health and Sports, Faculty of Health Sciences, Niigata University of Health and Welfare, Niigata 950-3102, Japan; (M.E.); (G.O.)
| | - Noriaki Yamamoto
- Department of Orthopaedic Surgery, Niigata Rehabilitation Hospital, Niigata 950-3304, Japan;
| | - Tomoyuki Kawase
- Division of Oral Bioengineering, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan
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Hohmann E, Tetsworth K, Glatt V. Corticosteroid injections for the treatment of lateral epicondylitis are superior to platelet-rich plasma at 1 month but platelet-rich plasma is more effective at 6 months: an updated systematic review and meta-analysis of level 1 and 2 studies. J Shoulder Elbow Surg 2023; 32:1770-1783. [PMID: 37247780 DOI: 10.1016/j.jse.2023.04.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 04/03/2023] [Accepted: 04/12/2023] [Indexed: 05/31/2023]
Abstract
BACKGROUND The purpose of this study was to perform a systematic review and meta-analysis of studies comparing local injections of either platelet-rich plasma (PRP) or corticosteroid for the treatment of lateral elbow epicondylitis. METHODS A systematic review of MEDLINE, Embase, Scopus, and Google Scholar was performed, and all level 1 and 2 randomized studies from 2000 to 2022 were included. Clinical symptoms, patient perceived outcomes, and pain were assessed by the DASH (disabilities of the arm, shoulder and hand questionnaire) and pain by the visual analog scale (VAS). Publication bias and risk of bias were assessed using the Cochrane Collaboration's tools. The modified Coleman Methodology Score (CMS) and the GRADE system were used to assess the quality of the body of evidence. Heterogeneity was assessed using χ2 and I2 statistics. RESULTS Thirteen studies were included in the analysis. Five studies had a high risk of bias, and the risk of bias across studies was assessed as unclear. There was no publication bias identified. Two of the four GRADE domains (inconsistency of results, imprecision of results) were downgraded to low quality, and the final GRADE assessment was downgraded to a low quality of evidence. The mean CMS score was 62.8, indicating fair quality. The pooled estimate for VAS at 1 month favored corticosteroids (P = .75) but favored PRP at three (P = .003) and six months (P = .0001). The pooled estimate for the DASH score favored corticosteroids at 1 month (P = .028) but favored PRP at three (P = .01) and six months (P = .107) CONCLUSION: The results of this meta-analysis suggest that PRP has no advantage over steroid injections within the first month of treatment, but that it is superior to steroids at both 3 and 6 months. These results also suggest that corticosteroids have a short-term beneficial effect during the early treatment period, although the quality of the available evidence is not very robust in support of this finding. However, these findings must all be viewed with caution as the high risk of bias and moderate to low quality of the included studies may not justify a recommendation of one treatment over another.
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Affiliation(s)
- Erik Hohmann
- Medical School, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa; Department of Orthopaedic Surgery and Sports Medicine, Valiant Clinic/Houston Methodist Group, Dubai, United Arab Emirates.
| | - Kevin Tetsworth
- Department of Orthopaedic Surgery, Royal Brisbane Hospital, Herston, Australia; Department of Surgery, School of Medicine, University of Queensland, Australia; Limb Reconstruction Center, Macquarie University Hospital, Macquarie Park, Australia Orthopaedic Research Centre of Australia, Brisbane, Australia
| | - Vaida Glatt
- Department of Orthopaedics, University of Texas Health Science Center, San Antonio, TX, USA; Orthopaedic Research Centre of Australia, Brisbane, Australia
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Vasalou V, Kotidis E, Tatsis D, Boulogeorgou K, Grivas I, Koliakos G, Cheva A, Ioannidis O, Tsingotjidou A, Angelopoulos S. The Effects of Tissue Healing Factors in Wound Repair Involving Absorbable Meshes: A Narrative Review. J Clin Med 2023; 12:5683. [PMID: 37685753 PMCID: PMC10488606 DOI: 10.3390/jcm12175683] [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: 06/21/2023] [Revised: 08/17/2023] [Accepted: 08/26/2023] [Indexed: 09/10/2023] Open
Abstract
Wound healing is a complex and meticulously orchestrated process involving multiple phases and cellular interactions. This narrative review explores the intricate mechanisms behind wound healing, emphasizing the significance of cellular processes and molecular factors. The phases of wound healing are discussed, focusing on the roles of immune cells, growth factors, and extracellular matrix components. Cellular shape alterations driven by cytoskeletal modulation and the influence of the 'Formin' protein family are highlighted for their impact on wound healing processes. This review delves into the use of absorbable meshes in wound repair, discussing their categories and applications in different surgical scenarios. Interleukins (IL-2 and IL-6), CD31, CD34, platelet rich plasma (PRP), and adipose tissue-derived mesenchymal stem cells (ADSCs) are discussed in their respective roles in wound healing. The interactions between these factors and their potential synergies with absorbable meshes are explored, shedding light on how these combinations might enhance the healing process. Recent advances and challenges in the field are also presented, including insights into mesh integration, biocompatibility, infection prevention, and postoperative complications. This review underscores the importance of patient-specific factors and surgical techniques in optimizing mesh placement and healing outcomes. As wound healing remains a dynamic field, this narrative review provides a comprehensive overview of the current understanding and potential avenues for future research and clinical applications.
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Affiliation(s)
- Varvara Vasalou
- Fourth Surgical Department, School of Medicine, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece
- Andreas Syggros Hospital, 11528 Athens, Greece
| | - Efstathios Kotidis
- Fourth Surgical Department, School of Medicine, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece
| | - Dimitris Tatsis
- Fourth Surgical Department, School of Medicine, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece
- Oral and Maxillofacial Surgery Department, School of Dentistry, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece
| | - Kassiani Boulogeorgou
- Department of Pathology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (K.B.)
| | - Ioannis Grivas
- Laboratory of Anatomy, Histology & Embryology, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Georgios Koliakos
- Department of Biochemistry, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Angeliki Cheva
- Department of Pathology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (K.B.)
| | - Orestis Ioannidis
- Fourth Surgical Department, School of Medicine, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece
| | - Anastasia Tsingotjidou
- Laboratory of Anatomy, Histology & Embryology, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Stamatis Angelopoulos
- Fourth Surgical Department, School of Medicine, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece
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Song Y, Li P, Xu Y, Lin Z, Deng Z, Chen C. Menstrual Blood-Derived Mesenchymal Stem Cells Encapsulated in Autologous Platelet-Rich Gel Facilitate Rotator Cuff Healing in a Rabbit Model of Chronic Tears. Am J Sports Med 2023:3635465231168104. [PMID: 37184028 DOI: 10.1177/03635465231168104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
BACKGROUND Successful management of chronic rotator cuff (RC) tears remains a challenge owing to its limited intrinsic healing capacity and unsatisfactory failure rate. Menstrual blood-derived mesenchymal stem cells (MenSCs) have the potential to differentiate into the chondrogenic or osteogenic lineage. Autologous platelet-rich gel (APG), a gel material derived from platelet-rich plasma (PRP), can be applied as a carrier system for cell delivery and also as a releasing system for endogenous growth factors. PURPOSE To investigate the effect of human MenSCs encapsulated in APG (MenSCs@APG) on the healing of chronic RC tears in a rabbit model. STUDY DESIGN Controlled laboratory study. METHODS After evaluation of the effect of PRP on MenSC proliferation or differentiation, the stem cells were encapsulated in APG for in vivo injection. Supraspinatus tenotomy from the right greater tuberosity was performed on 45 New Zealand White rabbits. After 6 weeks, these rabbits were randomly allocated to 3 supplemental treatments during supraspinatus repair: saline injection (control [CTL] group), APG injection (APG group), and MenSCs@APG injection (MenSCs@APG group). At week 18, these rabbits were sacrificed to harvest the humerus-supraspinatus tendon complexes for micro-computed tomography (CT), histological evaluation, tensile test, and MenSC tracking. RESULTS In vitro results showed that APG can stimulate MenSC proliferation and enhance chondrogenic or osteogenic differentiation. In vivo results showed that APG can act as a carrier for delivering MenSCs into the healing site, and also as a stimulator for enhancing the in vivo performance of MenSCs. Micro-CT showed that bone volume/total volume and trabecular thickness of the new bone in the MenSCs@APG group presented significantly larger values than those of the APG or CTL group (P < .05 for all). Histologically, compared with the CTL or APG group, significantly more mature fibrocartilage regenerated at the healing site in the MenSCs@APG group. A large number of human nuclei-stained cells were observed in the MenSCs@APG group, presenting a similar appearance to fibrochondrocytes or osteocytes. Biomechanically, the MenSCs@APG group showed significantly higher failure load and stiffness than the APG or CTL group (P < .05 for all). CONCLUSION Human MenSCs@APG facilitated RC healing in a rabbit model of chronic tears. CLINICAL RELEVANCE Autogenous MenSCs@APG may be a new stem cell-based therapy for augmenting RC healing in the clinic.
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Affiliation(s)
- Ya Song
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ping Li
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Department of Obstetrics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yan Xu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Zhangyuan Lin
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zhenhan Deng
- Department of Sports Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen University, Shenzhen, China
| | - Can Chen
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
- Department of Sports Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen University, Shenzhen, China
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Shahghasempour L, Hosseinzadeh S, Haddadi A, Kabiri M. Evaluation of Lactobacillus plantarum and PRGF as a new bioactive multi-layered scaffold PU/PRGF/gelatin/PU for wound healing. Tissue Cell 2023; 82:102091. [PMID: 37104974 DOI: 10.1016/j.tice.2023.102091] [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: 11/22/2022] [Revised: 03/17/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023]
Abstract
The effect of tissue engineering strategies in combination with Lactobacillus plantarum and platelet-rich growth factor (PRGF) with the aim of creating an appropriate wound dressing can be useful in wound healing and infection prevention in patients suffering from acute and chronic skin damages. Therefore, in this study, a new approach was employed to create a bioactive multilayer electrospun scaffold composed of polyurethane (PU), PRGF, and gelatin fibers, then human adipose-derived mesenchymal stem cells (hAMSCs), fibroblast cells (HU-02) and L. plantarum were cultured on the scaffold. The physicochemical properties, biocompatibility, and antibacterial activity of the scaffold were evaluated. In addition, the expression of the migration and proliferation genes of fibroblast cells were investigated by real-time PCR (polymerase chain reaction). Mitochondrial activity assays revealed that PRFG and L. plantarum had a significant positive effect on the viability of target co-cultured cells.Fluorescent and SEM (scanning electron microscopy) images presented the cells and bacterial proliferation and adhesion in hydrophilic scaffolds within 21 days. The sustained release of PRGF from scaffolds with a zero-order pattern was confirmed. RT-PCR analysis revealed that PRGF elevated the expression of VEGF genes up to fourfold, but L. plantarum had a better effect on DDR2 gene expression compared to the TCPS group. Antibacterial tests showed that L. plantarum has a bacterial load reduction of more than 70% in CFU/mL. The present scaffold is an appropriate model for cell attachment, migration, proliferation, and infection prevention.
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Affiliation(s)
- Lida Shahghasempour
- Department of Microbiology, Karaj Branch, Islamic Azad University, Karaj, Iran
| | - Simzar Hosseinzadeh
- Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Azam Haddadi
- Department of Microbiology, Karaj Branch, Islamic Azad University, Karaj, Iran.
| | - Mahboubeh Kabiri
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran
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10
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Advances in the Clinical Application of Platelet-Rich Plasma in the Foot and Ankle: A Review. J Clin Med 2023; 12:jcm12031002. [PMID: 36769649 PMCID: PMC9917505 DOI: 10.3390/jcm12031002] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 01/15/2023] [Accepted: 01/18/2023] [Indexed: 01/31/2023] Open
Abstract
Autologous and recombinant biologic substances have been generated as a result of the research into the cellular features of the healing process. Orthobiologics are increasingly being used in sports medicine and musculoskeletal surgery. Nevertheless, clinical data are limited; consequently, further studies are required, particularly in foot and ankle pathologies. This review aims to provide evidence of the most recent literature results and ignite the interest of orthopedic specialists eager for an update about the most current discussion on platelet-rich plasma (PRP) clinical applications in the foot and ankle fields. Previous studies have shown that platelet-rich plasma can be beneficial in treating various conditions, such as chronic foot ulcers, osteoarthritis, Achilles tendinopathy, etc. Despite the positive effects of PRP on various musculoskeletal conditions, more prospective studies are needed to confirm its effectiveness at treating ankle and foot pathologies. In addition to clinical trials, other factors, such as the quality of the research and the procedures involved, must be considered before they can be used in patients. More long-term evaluations are needed to support or oppose its application in treating foot and ankle disorders. We present the most extensive review of PRP's clinical applications in the foot and ankle field.
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11
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Amirsaadat S, Amirazad H, Hashemihesar R, Zarghami N. An update on the effect of intra-articular intervention strategies using nanomaterials in osteoarthritis: Possible clinical application. Front Bioeng Biotechnol 2023; 11:1128856. [PMID: 36873347 PMCID: PMC9978162 DOI: 10.3389/fbioe.2023.1128856] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 02/06/2023] [Indexed: 02/18/2023] Open
Abstract
Osteoarthritis (OA) is the most common progressive condition affecting joints. It mainly affects the knees and hips as predominant weight-bearing joints. Knee osteoarthritis (KOA) accounts for a large proportion of osteoarthritis and presents numerous symptoms that impair quality of life, such as stiffness, pain, dysfunction, and even deformity. For more than two decades, intra-articular (IA) treatment options for managing knee osteoarthritis have included analgesics, hyaluronic acid (HA), corticosteroids, and some unproven alternative therapies. Before effective disease-modifying treatments for knee osteoarthritis, treatments are primarily symptomatic, mainly including intra-articular corticosteroids and hyaluronic acid, so these agents represent the most frequently used class of drugs for managing knee osteoarthritis. But research suggests other factors, such as the placebo effect, have an essential role in the effectiveness of these drugs. Several novel intra-articular therapies are currently in the clinical trial processes, such as biological therapies, gene and cell therapies. Besides, it has been shown that the development of novel drug nanocarriers and delivery systems could improve the effectiveness of therapeutic agents in osteoarthritis. This review discusses the various treatment methods and delivery systems for knee osteoarthritis and the new agents that have been introduced or are in development.
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Affiliation(s)
- Soumayeh Amirsaadat
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Halimeh Amirazad
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Medical Biotechnology, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ramin Hashemihesar
- Department of Histology and Embryology, Faculty of Medicine, Altinbas University, Istanbul, Türkiye
| | - Nosratollah Zarghami
- Department of Medical Biochemistry, Faculty of Medicine, Istanbul Aydin University, Istanbul, Türkiye.,Department of Clinical Biochemistry and Laboratory Medicine, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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12
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Yu S, Hu R, Feng H, Huang D. Efficacy of platelet-rich plasma injection in the treatment of frozen shoulder: A systematic review and meta-analysis. J Back Musculoskelet Rehabil 2022; 36:551-564. [PMID: 36530074 DOI: 10.3233/bmr-220034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Frozen shoulder (FS) is characterized by progressive shoulder pain and a limited range of motion. Recently, platelet-rich plasma (PRP) injection is a newly developed treatment option for patients with FS and its efficacy needs to be examined. OBJECTIVE By conducting a systematic review and meta-analysis, this study attempted to evaluate the efficacy of PRP injection in the treatment of patients with FS. METHODS PubMed, EMBASE, Web of Science, Elsevier, The Cochrane Library, WanFang Data and CNKI databases were searched up to May 31, 2020. This study included randomized controlled trials as well as prospective cohort studies. Two reviewers independently screened the title, abstract and full text in order to extract data from qualified studies. The main outcome was pain visual analogue score (VAS) while the secondary outcome was range of motion (ROM) of the shoulder joint that consists of four parts: internal rotation, flexion, external rotation and abduction. RESULTES Three randomized controlled trials and one prospective cohort study met the inclusion criteria. Accordingly, a total of 359 cases were analyzed and followed up to 3 months. The control group included corticosteroids (CS), ultrasound therapy, and stellate ganglion block. Compared to other groups, VAS was statistically significant after 1 month and 3 months of treatment (SMD: -0.46, 95% CI: -0.75 to -0.18, P= 0.002; I=2 43.2%), (SMD: -0.87, 95% CI: -1.23 to -0.50, P= 0.00, I=2 61.9%). Compared to the control group, only flexion of the patients treated with PRP demonstrated no significant improvement at 1 month, whereas internal rotation, flexion, external rotation and abduction of the shoulder were found to be improved following 3 months of treatment. CONCLUSIONS The corresponding findings illustrate that compared to other non-operative treatments, local injection of PRP can effectively improve pain and shoulder motion in patients with FS. However, due to the short follow-up time and limitations regarding the quantity and quality of studies, the above conclusions require further elucidation by performing additional high-quality studies.
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Affiliation(s)
- Shanzi Yu
- Chenzhou No. 1 People's Hospital, Chenzhou, Hunan, China
| | - Rong Hu
- The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Haoming Feng
- The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Dong Huang
- The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
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13
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Amini M, Venkatesan JK, Liu W, Leroux A, Nguyen TN, Madry H, Migonney V, Cucchiarini M. Advanced Gene Therapy Strategies for the Repair of ACL Injuries. Int J Mol Sci 2022; 23:ijms232214467. [PMID: 36430947 PMCID: PMC9695211 DOI: 10.3390/ijms232214467] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/07/2022] [Accepted: 11/19/2022] [Indexed: 11/23/2022] Open
Abstract
The anterior cruciate ligament (ACL), the principal ligament for stabilization of the knee, is highly predisposed to injury in the human population. As a result of its poor intrinsic healing capacities, surgical intervention is generally necessary to repair ACL lesions, yet the outcomes are never fully satisfactory in terms of long-lasting, complete, and safe repair. Gene therapy, based on the transfer of therapeutic genetic sequences via a gene vector, is a potent tool to durably and adeptly enhance the processes of ACL repair and has been reported for its workability in various experimental models relevant to ACL injuries in vitro, in situ, and in vivo. As critical hurdles to the effective and safe translation of gene therapy for clinical applications still remain, including physiological barriers and host immune responses, biomaterial-guided gene therapy inspired by drug delivery systems has been further developed to protect and improve the classical procedures of gene transfer in the future treatment of ACL injuries in patients, as critically presented here.
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Affiliation(s)
- Mahnaz Amini
- Center of Experimental Orthopaedics, Saarland University Medical Center, Kirrbergerstr. Bldg 37, D-66421 Homburg, Germany
| | - Jagadeesh K. Venkatesan
- Center of Experimental Orthopaedics, Saarland University Medical Center, Kirrbergerstr. Bldg 37, D-66421 Homburg, Germany
| | - Wei Liu
- Center of Experimental Orthopaedics, Saarland University Medical Center, Kirrbergerstr. Bldg 37, D-66421 Homburg, Germany
| | - Amélie Leroux
- Laboratoire CSPBAT UMR CNRS 7244, Université Sorbonne Paris Nord, Avenue JB Clément, 93430 Villetaneuse, France
| | - Tuan Ngoc Nguyen
- Laboratoire CSPBAT UMR CNRS 7244, Université Sorbonne Paris Nord, Avenue JB Clément, 93430 Villetaneuse, France
| | - Henning Madry
- Center of Experimental Orthopaedics, Saarland University Medical Center, Kirrbergerstr. Bldg 37, D-66421 Homburg, Germany
| | - Véronique Migonney
- Laboratoire CSPBAT UMR CNRS 7244, Université Sorbonne Paris Nord, Avenue JB Clément, 93430 Villetaneuse, France
| | - Magali Cucchiarini
- Center of Experimental Orthopaedics, Saarland University Medical Center, Kirrbergerstr. Bldg 37, D-66421 Homburg, Germany
- Correspondence: or
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14
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Koland M, Narayanan Vadakkepushpakath A, John A, Tharamelveliyil Rajendran A, Raghunath I. Thermosensitive In Situ Gels for Joint Disorders: Pharmaceutical Considerations in Intra-Articular Delivery. Gels 2022; 8:723. [PMID: 36354630 PMCID: PMC9689403 DOI: 10.3390/gels8110723] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/01/2022] [Accepted: 11/04/2022] [Indexed: 09/17/2023] Open
Abstract
The intra-articular administration of conventional drug solutions or dispersions in joint diseases such as osteoarthritis has a relatively short retention time and, therefore, limited therapeutic effect. Thermosensitive polymer solutions that exhibit a sol-gel phase transition near body temperature after injection can prolong drug retention by providing a depot from which the drug release is sustained while relieving inflammation and preventing degradation of the joint complex. Thermosensitive hydrogels have in recent times garnered considerable attention in the intra-articular therapeutics of joint diseases such as osteoarthritis. Among the stimuli-responsive gelling systems, most research has focused on thermosensitive hydrogels. These gels are preferred over other stimuli-sensitive hydrogels since they have well-controlled in situ gelling properties and are also easier to load with drugs. Temperature-sensitive polymers, such as block copolymers or poloxamers, are frequently used to modify their gelation properties, usually in combination with other polymers. They are compatible with most drugs but may pose formulation challenges in terms of their low-response time, highly fragile nature, and low biocompatibility. The stability and biodegradability of implant hydrogels can control the drug release rate and treatment efficacy. This review stresses the application of thermosensitive gels in joint disorders and summarizes recent developments for intra-articular application, including the incorporation of nanoparticles. The hydrogel composition, drug release mechanisms, and the challenges involved in their formulation and storage are also discussed.
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Affiliation(s)
- Marina Koland
- Department of Pharmaceutics, NGSM Institute of Pharmaceutical Sciences (NGSMIPS), Nitte (Deemed to be University), Mangalore 575018, India
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15
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Schirmann A, Boutin E, Faix A, Yiou R. Tolerance and efficacy of platelet-rich plasma injections in Peyronie's disease: Pilot study. Prog Urol 2022; 32:856-861. [PMID: 35778315 DOI: 10.1016/j.purol.2022.05.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 04/05/2022] [Accepted: 05/10/2022] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Platelet-rich plasma (PRP) injections are increasingly proposed for the treatment of Peyronie's disease since the discontinuation of Xiapex® despite poorly understood results. OBJECTIVES Evaluation of the tolerance and efficacy of intra-plate PRP injections in patients with Peyronie's disease. METHODS Three intra-plate injections of PRP were performed 15 days apart in 17 patients with Peyronie's disease. The Peyronie's Disease Questionnaire (PDQ) and the measurement of the angle of curvature of the erect penis were assessed before treatment and then 1, 3 and 6 months after treatment. Erectile function was assessed by different questionnaires (IIEF-EF, EHS, SEP, sexual discomfort score). RESULTS No side effects were noted during the study period. Three months after treatment, all three PDQ domains were significantly improved (P=0.002; P=0.015; P=0.017 respectively). The angle of curvature of the penis was significantly decreased by 11.8° with a mean angle of 40.4° before treatment and 28.6° after (P=0.007). The IIEF-EF score was significantly improved after treatment (mean preoperative value: 10.67) with a gain of 5 points at months 1 and 6 (P=0.01 and P=0.036 respectively) and 7 points at month 3 (P=0.04). CONCLUSION Our initial experience suggests that PRP injections for Peyronie's disease are safe. Although the limited data is suggestive of efficacy, a placebo control will be required for confirmation.
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Affiliation(s)
- A Schirmann
- Service d'urologie, hôpitaux universitaires Henri-Mondor, CHU Henri Mondor, AP-HP, 51, avenue du Maréchal-de-Lattre- de- Tassigny, 94010 Créteil, France.
| | - E Boutin
- Université Paris Est Créteil, Inserm, IMRB, CEpiA Team, 94010 Créteil, France; Unité de Recherche Clinique (URC Mondor), AP-HP, Hôpital Henri Mondor, 94010 Créteil, France
| | - A Faix
- Clinique mutualiste St-Roch, Montpellier, France
| | - R Yiou
- Service d'urologie, hôpitaux universitaires Henri-Mondor, CHU Henri Mondor, AP-HP, 51, avenue du Maréchal-de-Lattre- de- Tassigny, 94010 Créteil, France
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16
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Bildik C, Kaya O. Platelet-Rich Plasma vs Autologous Blood Injection to Treat Plantar Fasciitis: A Prospective Randomized, Double-Blinded, Controlled Trial. Foot Ankle Int 2022; 43:1211-1218. [PMID: 35975719 DOI: 10.1177/10711007221114122] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Plantar fasciitis (PF) is the most common cause of heel pain. Previous work has shown promising results regarding platelet-rich plasma (PRP) injections for the treatment of PF. The aim of this study is to prospectively compare the efficacy of PRP and autologous blood injections in a randomized anonymized patient group to treat PF. METHODS PF patients who failed at least 6 weeks of noninvasive conservative treatment aged between 40 and 65 years were recruited to be in the study. Patients were randomly assigned into group A (PRP) or group B (autologous blood). Injections were performed under ultrasonographic guidance in a double-anonymized manner. The groups were compared according to preinjection and postinjection health-related quality of life (HRQoL) scores measured with Foot and Ankle Disability Index (FADI) and visual analog scale (VAS). Intragroup comparative analysis was also performed at different time points. Independent t tests and repeated measures analyses of variance were used for statistical analysis, with P <.05 set for statistical significance. RESULTS Group A (PRP) included 30 (19 female, 11 male) patients with mean age 52.2 ±6.3; group B (ABI) included 30 (20 female, 10 male) patients with mean age 52.7 ± 6.5. Both groups had similar body mass index (P = .719). No injection-related complications were recorded. After treatment, both groups had improved FADI and VAS scores compared to the baseline. Although the mean HRQoL scores were higher in the PRP group, there was no significant difference between the 2 groups (PVAS = .589; PFADI = .742). CONCLUSION Participants with plantar fasciitis improved statistically significantly after either PRP or ABI injections compared with baseline HRQoL scores, with no significant differences seen between the groups. LEVEL OF EVIDENCE Level I, prospective randomized double-anonymized clinical comparative study.
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Affiliation(s)
- Celaleddin Bildik
- Orthopedics and Traumatology, Istanbul Atasehir Florence Nightingale, Atasehir, Istanbul, Turkey.,Faculty of Health Sciences, Istanbul Yeni Yüzyil University, Istanbul, Turkey
| | - Ozcan Kaya
- SBU Istanbul Kanuni Sultan Suleyman Training and Research Hospital, Istanbul, Turkey
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17
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Guo X, Lu H, Liu C, Zhang Y, Bi L. Effects of Super-Activated Platelet Lysate on Early Healing of Tooth Extraction Sockets in Rats. Drug Des Devel Ther 2022; 16:2213-2227. [PMID: 35860524 PMCID: PMC9289175 DOI: 10.2147/dddt.s363766] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 06/30/2022] [Indexed: 12/28/2022] Open
Abstract
Purpose To evaluate the effect of super-activated platelet lysate (sPL) on wound healing of tooth extraction sockets in rats. Methods Rat models of the tooth extraction socket were established. Thirty-six rats were divided into control and sPL groups and sacrificed on days 7, 14, and 28 after tooth extraction. Bone formation in tooth extraction sockets were observed by microscopic computed tomography (micro-CT) and hematoxylin and eosin (HE) staining; osteoprotegerin (OPG), receptor activator of nuclear factor kappa-Β ligand (RANKL), interleukin 6(IL-6), and tumor necrosis factor-alpha (TNF-α) proteins were detected by immunohistochemistry; and chemokine and osteogenic gene expressions were detected by polymerase chain reaction (PCR). Results sPL accelerated soft tissue wound healing in the extraction socket of rats. Micro-CT showed that the amount of bone formation and bone volume fraction were higher in the sPL group than the control 14 days after extraction. HE staining showed promotion of the formation of bony trabeculae by sPL in the apical third of the extraction socket 7 days after extraction and more mature and organized bony trabeculae in the sPL group than the control 14 days after extraction; mature bony trabeculae filling most of the fossa with lesser bone porosity in the socket in the sPL group than the control 28 days after extraction. Immunohistochemistry showed that sPL induced OPG expressions 7 and 14 days after tooth extraction but did not affect the RANKL expression while transiently promoting the IL-6 expression 7 days after extraction. PCR showed that sPL promoted chemokine expressions 7 and 14 days after extraction. The expressions of osteogenesis-related factors were higher in the sPL group than the control 7 and 28 days after extraction, while the opposite trend was observed 14 days after extraction. Conclusion sPL has a transient pro-inflammatory effect and promotes soft tissue healing and bone formation during early wound healing of extraction sockets in rats.
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Affiliation(s)
- Xiaorui Guo
- Department of Stomatology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, 150001, People's Republic of China.,State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Oral Diseases, Department of Operative Dentistry and Endodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, People's Republic of China
| | - Huiying Lu
- National and Local Joint Stem Cell Research & Engineering Center for Aging Diseases, Tian Qing Stem Cell Co., Ltd, Harbin, 150028, People's Republic of China
| | - Chunxiang Liu
- National and Local Joint Stem Cell Research & Engineering Center for Aging Diseases, Tian Qing Stem Cell Co., Ltd, Harbin, 150028, People's Republic of China
| | - Yi Zhang
- National and Local Joint Stem Cell Research & Engineering Center for Aging Diseases, Tian Qing Stem Cell Co., Ltd, Harbin, 150028, People's Republic of China
| | - Liangjia Bi
- Department of Stomatology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, 150001, People's Republic of China
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18
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Schirmann A, Boutin E, Faix A, Yiou R. Pilot study of intra-cavernous injections of platelet-rich plasma (P-shot®) in the treatment of vascular erectile dysfunction. Prog Urol 2022; 32:1440-1445. [PMID: 35697553 DOI: 10.1016/j.purol.2022.05.002] [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: 02/07/2022] [Revised: 05/03/2022] [Accepted: 05/13/2022] [Indexed: 11/28/2022]
Abstract
INTRODUCTION Intracavernosal injections of platelet-rich plasma (PRP) or P-shot® are increasingly proposed as a curative treatment for organic sexual dysfunction despite the lack of evidence of effectiveness. OBJECTIVES We conducted a pilot study to evaluate the safety and efficacy of intracavernous PRP injections in patients with vascular erectile dysfunction (ED). METHODS Three intracavernosal injections of PRP were performed 15days apart in 15 patients with vascular ED unresponsive to medical treatment with 5-phosphodiesterase inhibitors and/or prostaglandin E instillations or injections. Questionnaires assessing erectile function (IIEF-EF, EHS, SEP, Sexual discomfort score) were completed prior to treatment and 1, 3 and 6 months after the last injection. RESULTS No side effects were noted during the study period. The IIEF-EF score was significantly improved after treatment (P<0.001) with a gain of 5 points at 1month, 4 points at 3months and 3 points at 6months (respectively P=0.001, P=0.003 and P=0.022). The other questionnaires did not change significantly. In total, 20% of patients considered that the erection lasted long enough to have a sexual intercourse (SEP score) before P-shot® versus 26.7% after the treatment (P=1). CONCLUSION This study suggests that the effect of P-Shot® remains moderate in cases of ED with vascular origin. Larger clinical studies are needed to determine the real effectiveness of this therapeutic strategy. LEVEL OF PROOF 2.
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Affiliation(s)
- A Schirmann
- Service d'urologie, hôpitaux universitaires Henri-Mondor, CHU Henri Mondor, AP-HP, 51, avenue du Maréchal-de-Lattre- de- Tassigny, 94010 Créteil, France
| | - E Boutin
- Université Paris Est Créteil, Inserm, IMRB, CEpiA Team, 94010 Créteil, France; AP-HP, Hôpital Henri Mondor, Unité de Recherche Clinique (URC Mondor), 94010 Créteil, France
| | - A Faix
- Clinique mutualiste St-Roch, Montpellier, France
| | - R Yiou
- Service d'urologie, hôpitaux universitaires Henri-Mondor, CHU Henri Mondor, AP-HP, 51, avenue du Maréchal-de-Lattre- de- Tassigny, 94010 Créteil, France.
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Orthobiologics for the Management of Early Arthritis in the Middle-Aged Athlete. Sports Med Arthrosc Rev 2022; 30:e9-e16. [PMID: 35533063 DOI: 10.1097/jsa.0000000000000337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
This article is dedicated to the use of orthobiologic therapies in the management of early osteoarthritis in middle-aged athletes. Understanding a patient's presenting symptoms, physical examination, imaging results, and goals is of critical importance in applying orthobiologic therapies. The field of orthobiologics is expanding at a rapid pace, and the clinical studies examining the utility of each treatment lag behind the direct-to-consumer marketing that leads to these products being used. Here we provide a review of the available treatments, emerging treatments, and the current literature supporting or refuting their use. Currently studied orthobiologics include autologous and allogenic cell therapies, autologous blood products, hyaluronic acid, gene therapies, Wnt inhibitors, and a variety of systemic treatments.
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20
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Bugarin A, Schroeder G, Shi BY, Jones KJ, Kremen TJ. Assessment of Characteristics and Methodological Quality of the Top 50 Most Cited Articles on Platelet-Rich Plasma in Musculoskeletal Medicine. Orthop J Sports Med 2022; 10:23259671221093074. [PMID: 35656192 PMCID: PMC9152206 DOI: 10.1177/23259671221093074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 01/21/2022] [Indexed: 12/18/2022] Open
Abstract
Background: The wide range of clinical applications and controversial scientific evidence associated with platelet-rich plasma (PRP) therapy in musculoskeletal medicine requires an examination of the most commonly cited studies within this field. Purpose: To identify the 50 most cited articles on PRP, assess their study design, and determine any correlations between the number of citations and level of evidence (LoE) or methodological quality. Study Design: Cross-sectional study. Methods: The Web of Science database was queried to identify the top 50 most cited articles on PRP in orthopaedic surgery. Bibliometric characteristics, number of citations, and LoE were recorded. Methodological quality was evaluated using the Modified Coleman Methodology Score (MCMS), Methodological Index for Non-randomized Studies (MINORS), and Minimum Information for Studies Evaluating Biologics in Orthopaedics (MIBO). The Pearson correlation coefficient and Spearman correlation coefficient (rS) were used to determine the degree of correlation between the number of citations or citation density and LoE, MCMS, MINORS score, and MIBO score. Student t tests were performed for 2-group comparisons. Results: The top 50 articles were published between 2005 and 2016 in 21 journals. The mean number of citations and citation density were 241 ± 94 (range, 151-625) and 23 ± 8, respectively, and the mean LoE was 2.44 ± 1.67, with 15 studies classified as LoE 1. The mean MCMS, MINORS score, and MIBO score were 66.9 ± 12.6, 16 ± 4.7, and 12.4 ± 3.7, respectively. No correlation was observed between the number of citations or citation density and LoE, MCMS, MINORS score, and MIBO score. A significant difference (P = .02) was noted in LoE in articles from the United States (3.56 ± 1.7) versus outside the United States (2 ± 1.5). Seven of the 8 in vivo studies were published between 2005 and 2010, whereas 19 of the 25 clinical outcome investigations were published between 2011 and 2016. Studies that were published more recently were found to significantly correlate with number of citations (rS = –0.38; P = .01), citation density (rS = 0.36; P = .01), and higher LoE (rS = 0.47; P = .01). Conclusion: The top 50 most cited articles on PRP consisted of high LoE and fair methodological quality. There was a temporal shift in research from in vivo animal studies toward investigations focused on clinical outcomes.
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Affiliation(s)
- Amador Bugarin
- David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
| | - Grant Schroeder
- David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
| | - Brendan Y. Shi
- Department of Orthopaedic Surgery, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
| | - Kristofer J. Jones
- Department of Orthopaedic Surgery, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
| | - Thomas J. Kremen
- Department of Orthopaedic Surgery, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
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21
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Lee JS, Guo P, Klett K, Hall M, Sinha K, Ravuri S, Huard J, Murphy WL. VEGF-attenuated platelet-rich plasma improves therapeutic effect on cartilage repair. Biomater Sci 2022; 10:2172-2181. [PMID: 35348136 PMCID: PMC9622215 DOI: 10.1039/d1bm01873f] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Autologous platelet-rich plasma (PRP) has gained popularity as a less invasive treatment for various musculoskeletal tissue injuries and conditions due to its favorable safety profile, minimal manipulation and cost-effectiveness. Although PRP treatment has been clinically used for the treatment of osteoarthritis (OA) and damaged cartilage, evidence on therapeutic efficacy has been inconsistent, which calls for a methodology to achieve consistent and improved treatment outcomes. Given that PRP contains numerous proteins, we hypothesized that attenuation of a growth factor known to be detrimental to the healing tissue would enhance efficacy of PRP treatment. Considering that VEGF-mediated angiogenesis inhibits the repair of articular cartilage, we developed VEGF-attenuated PRP by sequestering VEGF in PRP using VEGF-binding microspheres. We demonstrated that VEGF attenuation in PRP did not inhibit the effect of PRP on chondrogenic differentiation of stem cells in vitro. In addition, healing of rat OA cartilage was significantly improved after treatment with VEGF-attenuated PRP when compared to the PRP treatment group or PBS control group. We expect that attenuation of unwanted biological activity using growth factor-binding microspheres could provide a new PRP customization method broadly applicable to various tissue repair processes.
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Affiliation(s)
- Jae Sung Lee
- Department of Orthopedics and Rehabilitation, University of Wisconsin-Madison, Madison, WI, USA.
| | - Ping Guo
- Linda & Mitch Hart Center for Regenerative and Personalized Medicine, Steadman Philippon Research Institute, Vail, CO, USA
| | - Katarina Klett
- Linda & Mitch Hart Center for Regenerative and Personalized Medicine, Steadman Philippon Research Institute, Vail, CO, USA
| | - MacGregor Hall
- Department of Orthopedic Surgery, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Krishna Sinha
- Department of Orthopedic Surgery, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Sudheer Ravuri
- Linda & Mitch Hart Center for Regenerative and Personalized Medicine, Steadman Philippon Research Institute, Vail, CO, USA
| | - Johnny Huard
- Linda & Mitch Hart Center for Regenerative and Personalized Medicine, Steadman Philippon Research Institute, Vail, CO, USA
| | - William L Murphy
- Department of Orthopedics and Rehabilitation, University of Wisconsin-Madison, Madison, WI, USA. .,Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, USA.,Materials Science Program, University of Wisconsin-Madison, Madison, WI, USA
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22
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Diverse therapies for disc displacement of temporomandibular joint: A systematic review and network meta-analysis. Br J Oral Maxillofac Surg 2022; 60:1012-1022. [DOI: 10.1016/j.bjoms.2022.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/18/2022] [Accepted: 04/13/2022] [Indexed: 11/20/2022]
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23
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Transforaminal Endoscopic Lumbar Discectomy with versus without Platelet-Rich Plasma Injection for Lumbar Disc Herniation: A Prospective Cohort Study. Pain Res Manag 2022; 2022:6181478. [PMID: 35296040 PMCID: PMC8920626 DOI: 10.1155/2022/6181478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Accepted: 02/17/2022] [Indexed: 11/18/2022]
Abstract
Objective Transforaminal endoscopic lumbar discectomy (TELD) is an effective treatment for patients with lumbar disc herniation (LDH) with failure of conservative treatment. However, defects in the annulus fibrosus after TELD usually lead to a recurrence of LDH. Platelet-rich plasma (PRP) injection has shown promising potential for the repair of injured tissues. The combination of TELD and PRP injection has rarely been reported. Hence, this study aimed to evaluate the effectiveness, disc remodeling, and recurrence rate of LDH in TELD with or without PRP in LDH treatment. Methods A total of 108 consecutive patients who underwent TELD were prospectively registered between July 2018 and December 2019 (https://clinicaltrials.gov/ct2/show/ChiCTR1800017228). Fifty-one and fifty-seven patients underwent TELD with PRP injections and TELD only, respectively. The visual analog scale (VAS) score for back and leg pain, Oswestry Disability Index (ODI), and MacNab criteria were evaluated, and perioperative complications were documented. The disc protrusion, spinal cross-sectional area (SCSA), and disc height were measured on MRI and evaluated preoperatively, postoperatively, and at regular follow-up. Results All patients were followed up. Clinical improvement was noted in both groups. There were statistical differences in the VAS scores of back and leg pain and ODI between the two groups at 3 months, 6 months, and 1 year follow-up (P < 0.05); the improvement in the PRP group was significant. The disc protrusion and SCSA on MRI in the PRP group showed better improvement, with lower recurrence rate, than that in the control group at the final follow-up (P < 0.05). No adverse events were reported in our study following PRP injection. Conclusion Our study showed that TELD with PRP injection was a safe and effective treatment for patients with LDH in the medium and long-term follow-up. PRP injection was beneficial for disc remodeling after endoscopic discectomy and decreased the recurrence of LDH.
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Khan M, Shanmugaraj A, Prada C, Patel A, Babins E, Bhandari M. The Role of Hyaluronic Acid for Soft Tissue Indications: A Systematic Review and Meta-Analysis. Sports Health 2022; 15:86-96. [PMID: 35114853 PMCID: PMC9808833 DOI: 10.1177/19417381211073316] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
CONTEXT Soft tissue injuries are often treated with injectables such as corticosteroids and platelet-rich plasma (PRP) to reduce inflammation and promote healing. There is increasing evidence examining the use of hyaluronic acid (HA) for the management of soft tissue injuries. OBJECTIVE To evaluate the treatment effect and role of HA for available soft tissue indications. DATA SOURCES A search of PubMed, MEDLINE, EMBASE, and CENTRAL from the inception date of each database through February 24, 2021, was conducted for all randomized controlled trials (RCTs) involving the use of HA for soft tissue indications. Two reviewers independently screened articles for eligibility and extracted data from included studies for analysis. We assessed risk of bias for all included studies and pooled outcomes using a fixed-effects model. Outcomes (ie, function and pain relief) were categorized to short-term (<6 weeks, 6-12 weeks) and mid-term (>12 weeks) data. We present effect estimates as mean differences (MDs) and standardized mean differences (SMDs) and present the estimate of effect of HA for available indications in relation to available comparators. STUDY DESIGN Meta-analysis of RCTs. LEVEL OF EVIDENCE Level 1. RESULTS Of the 6930 articles screened, 19 RCTs (n = 1629 patients) were eligible and included in this review. HA was evaluated across a variety of soft tissue indications including rotator cuff disease, elbow pain, ankle sprains, Achilles tendinopathy, patellar tendinopathy, and trigger finger. Of the 19 RCTs, 11 were placebo-controlled and 9 used active comparators (PRP, cortisone, prolotherapy, or extracorporeal shockwave therapy). The pooled treatment effect of HA across most soft indications against placebo and active comparators demonstrated benefit in short-term pain <6 weeks (MD visual analogue scale [VAS] 2.48, 95% CI 2.31-2.65) and 6 to 12 weeks (MD VAS 2.03, 95% CI 1.86-2.20). Mid-term pain relief also favored HA over comparators across indications >12 weeks from administration (MD VAS 3.57, 95% CI 3.35-3.78). High heterogeneity was present with rotator cuff (10 trials, I2 = 94%), and elbow tendinopathy (2 trials, I2 = 99%). We identified uncertain benefit for trigger finger (2 trials, I2 = 67%). Heterogeneity for ankle sprains, patellar tendinopathy and Achilles tendinopathy could not be assessed as they only had 1 trial each. CONCLUSION This systematic review and meta-analysis support HA's efficacy in the treatment of a variety of soft tissue indications. Understanding the relative effects of HA to other injectable modalities requires additional, large trials.
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Affiliation(s)
- Moin Khan
- Division of Orthopaedic Surgery,
Department of Surgery, McMaster University, Hamilton, Ontario, Canada,Department of Health Research Methods,
Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada,Moin Khan, MD, MSc, FRCSC,
McMaster University, St Joseph’s Healthcare Hamilton, 50 Charlton Avenue East,
Mary Grace Wing, Room G807, Hamilton, Ontario, L8N 4A6, Canada (
) (Twitter: @moinkhan_md)
| | - Ajaykumar Shanmugaraj
- Division of Orthopaedic Surgery,
Department of Surgery, McMaster University, Hamilton, Ontario, Canada
| | - Carlos Prada
- Division of Orthopaedic Surgery,
Department of Surgery, McMaster University, Hamilton, Ontario, Canada
| | - Ashaka Patel
- Schulich School of Medicine, Western
University, London, Ontario
| | - Eric Babins
- University of Calgary, Calgary,
Alberta, Canada
| | - Mohit Bhandari
- Division of Orthopaedic Surgery,
Department of Surgery, McMaster University, Hamilton, Ontario, Canada,Department of Health Research Methods,
Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada
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25
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Arora P, Kanthed P, Vyas N, Dey S. Minimally invasive pain and spine interventions for low backache. INDIAN JOURNAL OF PAIN 2022. [DOI: 10.4103/ijpn.ijpn_122_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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26
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Rehman F, Krishan K, Latif I, Sudan E, Sultan J, Hassan I. Intra-individual Right-Left Comparative Study of Combined Therapy of Intramatricial Triamcinolone and Platelet-Rich Plasma vs. Intramatricial Triamcinolone Only in Lichen Planus-Associated Nail Dystrophy. J Cutan Aesthet Surg 2021; 14:311-317. [PMID: 34908773 PMCID: PMC8611714 DOI: 10.4103/jcas.jcas_156_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Background While intramatricial triamcinolone is the most commonly used treatment option for onychodystrophy due to lichen planus, the role of platelet-rich plasma (PRP) in the treatment of onychodystrophy is not established. So we combined the two treatment modalities to assess the synergistic action on nail dystrophy. Aims and Objectives The aim of this article is to compare the effect of combination of intramatricial triamcinolone and PRP vs. intramatricial triamcinolone alone in the treatment of onychodystrophy. Materials and Methods This study was done in 26 and 25 pairs of symmetrical dystrophic nails in hands and feet, respectively. The patients received intramatricial injection of triamcinolone and PRP on one side of finger and toe nails and triamcinolone on the contralateral side. Results Statistically significant improvements in grades of dystrophy according to the Nail Dystrophy Grading System (NDGS) in the finger and toe nails treated with combined therapy were obtained (P < 0.001 and = 0.002, respectively). According to the physician global assessment, response to combination therapy was statistically significant between the two comparison groups of finger and toe nails (P = 0.001 and = 0.004, respectively). Similarly, according to the patient satisfaction score, statistically significant difference was found between the comparison groups of combination therapy and single therapy (P < 0.001). Conclusion Addition of PRP significantly improved the nail quality. Intramatricial PRP is a safe and effective therapeutic modality in refractory nail dystrophies.
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Affiliation(s)
- Fozia Rehman
- Department of Dermatology, Venereology, and Leprosy, Government Medical College Srinagar, Karan Nagar, Jammu and Kashmir, India
| | - Kewal Krishan
- Department of Dermatology, Venereology, and Leprosy, Government Medical College Srinagar, Karan Nagar, Jammu and Kashmir, India
| | - Insha Latif
- Department of Dermatology, Venereology, and Leprosy, Government Medical College Srinagar, Karan Nagar, Jammu and Kashmir, India
| | - Ekta Sudan
- Department of Dermatology, Venereology, and Leprosy, Government Medical College Srinagar, Karan Nagar, Jammu and Kashmir, India
| | - Javeed Sultan
- Department of Dermatology, Venereology, and Leprosy, Government Medical College Srinagar, Karan Nagar, Jammu and Kashmir, India
| | - Iffat Hassan
- Department of Dermatology, Venereology, and Leprosy, Government Medical College Srinagar, Karan Nagar, Jammu and Kashmir, India
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27
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García-Sánchez JM, Mirabet Lis V, Ruiz-Valls A, Pérez-Plaza A, Sepúlveda Sanchis P, Pérez-Del-Caz MD. Platelet rich plasma and plasma rich in growth factors for split-thickness skin graft donor site treatment in the burn patient setting: A randomized clinical trial. Burns 2021; 48:1662-1670. [PMID: 34952738 DOI: 10.1016/j.burns.2021.10.001] [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: 06/25/2021] [Revised: 09/26/2021] [Accepted: 10/05/2021] [Indexed: 11/02/2022]
Abstract
INTRODUCTION Management of donor site morbidity in the setting of split thickness skin graft (STSG) is of crucial importance with no superior wound dressing described to date and the growing need of decreasing epithelializing time. The purpose of the study was to compare the standard of care using a hydrocolloid dressing to platelet rich plasma (PRP) and plasma rich in growth factors (PRGF) in order to determine its therapeutic potential in this setting. METHODS A randomized clinical trial was conducted in which each patient served as its own control. PRGF was obtained by means of freeze-thaw out of the PRP from the subject of the study. Patients from the study had three donor sites and each donor site received either to PRP, PRGF or the standard of care, hydrocolloid. The main variable was time to epithelialization, and secondary variables subject to study were pain, quality of the scar, complications and cost. RESULTS 20 patients were recruited with a total number of 60 donor sites to study. On the 8th post-operative day 55% and 45% of the sites treated with PRP and PRGF, respectively, complete epithelialization was observed as compared to 20% of the sites treated with hydrocolloid, statistical significance was achieved between the latter two (p = 0.036). The areas treated with PRP and PRGF received inferior values on the visual analog scale on post-op day 5 and 8 compared to hydrocolloid. Values on wound healing metrics were lower in the PRP when compared to hydrocolloid. No adverse effects were recorded. CONCLUSION Donor site of STSG treated with PRP in the setting of the burn patient decreased time to epithelialization. In our study a better pain control and in scar quality was observed in both, the PRP and PRGF group.
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Affiliation(s)
| | - Vicente Mirabet Lis
- Center for Blood Transfusion and Tissue Bank of Valencian Community, Valencia, Spain
| | - Alejandro Ruiz-Valls
- Department of Plastic and Reconstructive Surgery and Burns, La Fe Hospital, Valencia, Spain.
| | - Aranzazu Pérez-Plaza
- Department of Plastic and Reconstructive Surgery and Burns, La Fe Hospital, Valencia, Spain
| | - Pilar Sepúlveda Sanchis
- Regenerative Medicine and Heart Transplantation Unit, Health Research Institute Hospital La Fe, Valencia, Spain
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28
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Condron NB, Kester BS, Tokish JM, Zumstein MA, Gobezie R, Scheibel M, Cole BJ. Nonoperative and Operative Soft-Tissue, Cartilage, and Bony Regeneration and Orthopaedic Biologics of the Shoulder: An Orthoregeneration Network (ON) Foundation Review. Arthroscopy 2021; 37:3200-3218. [PMID: 34293441 DOI: 10.1016/j.arthro.2021.06.033] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 06/16/2021] [Indexed: 02/02/2023]
Abstract
Orthoregeneration is defined as a solution for orthopaedic conditions that harnesses the benefits of biology to improve healing, reduce pain, improve function, and optimally, provide an environment for tissue regeneration. Options include drugs, surgical intervention, scaffolds, biologics as a product of cells, and physical and electro-magnetic stimuli. The goal of regenerative medicine is to enhance the healing of tissue after musculoskeletal injuries as both isolated treatment and adjunct to surgical management, using novel therapies to improve recovery and outcomes. Various orthopaedic biologics (orthobiologics) have been investigated for the treatment of pathology involving the shoulder including the rotator cuff tendons, glenohumeral articular cartilage, glenoid labrum, the joint capsule, and bone. Promising and established treatment modalities include hyaluronic acid (HA); platelet-rich plasma (PRP) and platelet rich concentrates (PRC); bone marrow aspirate (BMA) comprising mesenchymal stromal cells (MSCs alternatively termed medicinal signaling cells and frequently, misleadingly labelled "mesenchymal stem cells"); MSC harvested from adipose, umbilical, or placental sources; factors including vascular endothelial growth factors (VEGF), basic fibroblast growth factor (FGF), platelet-derived growth factor (PDGF), transforming growth factor-beta (TGFβ), bone morphogenic protein (BMP), and matrix metalloproteinases (MMPs); prolotherapy; pulsed electromagnetic field therapy; microfracture and other marrow-stimulation techniques; biologic resurfacing using acellular dermal allografts, allograft Achilles tendons, allograft lateral menisci, fascia lata autografts, and porcine xenografts; osteochondral autograft or allograft); and autologous chondrocyte implantation (ACI). Studies involving hyaluronic acid, platelet rich plasma, and medicinal signaling cells of various origin tissues have shown mixed results to-date as isolated treatments and as surgical adjuncts. Despite varied results thus far, there is great potential for improved efficacy with refinement of current techniques and translation of burgeoning preclinical work. LEVEL OF EVIDENCE: Level V, expert opinion.
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Affiliation(s)
| | | | | | - Matthias A Zumstein
- Orthopaedics Sonnenhof, Bern, and Department of Orthopaedics and Traumatology, University of Bern, Inselspital, Bern, Switzerland
| | | | - Markus Scheibel
- Department for Shoulder and Elbow Surgery, Schulthess Clinic, Zurich, Switzerland; Center for Musculoskeletal Surgery, Charité-Universitaetsmedizin, Berlin, Germany
| | - Brian J Cole
- Midwest Orthopaedics at Rush, Chicago, Illinois, U.S.A..
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29
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Research trends of platelet-rich plasma application in orthopaedics from 2002 to 2020: a bibliometric analysis. INTERNATIONAL ORTHOPAEDICS 2021; 45:2773-2790. [PMID: 34337692 DOI: 10.1007/s00264-021-05163-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 07/17/2021] [Indexed: 01/08/2023]
Abstract
BACKGROUND Platelet-rich plasma (PRP) has been widely used to treat various orthopaedic diseases, and there are a large number of studies on the matter. However, there have been no bibliometric reports on the publications in this field. Bibliometrics is an excellent method to systematically evaluate the current research status of a specific field. In this study, CiteSpace 5.7.R2 software was used to analyse the status, hotspots, and frontiers of PRP in the treatment of orthopaedic diseases in the past 19 years. METHODS All articles about the application of PRP in orthopaedics from 2002 to 2020 were searched from the Web of Science Core Collection. The author, country, institution, journal, cited journal, and keywords were retrieved, and the bibliometric analysis was done in CiteSpace 5.7.R2. RESULTS A total of 321 articles were retrieved. The analysis showed that the number of publications increased in the past 19 years, and the most productive author in this field was Brian J. Cole. The most productive country and the most productive institution were the US and the Hospital for Special Surgery in New York, respectively. The journals with the highest output and the highest citation frequency were the Journal of Orthopaedic Research and the American Journal of Sports Medicine, respectively. From the keyword analysis, we observed that the primary research hotspots were the study of the PRP composition, growth factors, and the combination of PRP and mesenchymal stem cells. The frontiers of PRP were in vivo experiments, the treatment of rotator cuff and cartilage injury, and the comparison of clinical efficacy between PRP and hyaluronic acid. CONCLUSION The efficacy of PRP in treating orthopaedic diseases remains controversial. There are still some problems with the experimental methods, such as insufficient sample size, low level of evidence, confusion of system naming, lack of standardisation of preparation methods and application programs, and lack of in-depth basic scientific research. The research status shown by co-occurrence and cluster maps and the analysis of hotspots and frontiers may help solve present problems and explore new directions.
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Wang Q, Huang Z, Huang X, Zhang T, Wang W. Reparative effect of super active platelet combined with allogeneic bone for large bone defects. Artif Organs 2021; 45:1219-1228. [PMID: 34037261 DOI: 10.1111/aor.14002] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/26/2021] [Accepted: 05/14/2021] [Indexed: 12/18/2022]
Abstract
In clinical practice, autologous bone transplantation is usually used to treat large-scale bone defects. However, autologous bone can cause complications such as secondary injury to patients, the scarcity of autografts. In this study, the study of using super active platelet lysate (sPL) and allogeneic bone to treat the 15 mm long bone defect in right radius of rabbits, and provide an experimental basis for the next step of clinical bone defect treatment. The critical-size defect of New Zealand white rabbits was made and divided into three groups: autologous bone group, allogeneic bone group, and sPL group. They were euthanized 1, 2, and 3 months after the operation, perform imaging and histological observation on the repair of bone defect area. The results showed that there were varying degrees of new bone in the bone defect. CT data showed that the bone defect repair rate and new bone mass in each group increased month by month (P <.05). Bone tissue (BV) and bone tissue to the total volume (BV/TV, %) in the sPL group > allogeneic bone group, autologous bone group > allogeneic bone group, with statistical significance (P < .05). Compared with the allogeneic bone group, the sPL group can significantly promote the healing of bone defects, enhance the bone density after fracture healing. The repair effect after 3 months was similar to that of the autogenous bone group. The use of allogeneic bone and sPL therapy may become part of a comprehensive strategy for tissue engineering to treat bone defects.
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Affiliation(s)
- Qinglong Wang
- Department of Orthopedics, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Zhipeng Huang
- Department of Orthopedics, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xi Huang
- Department of Orthopedics, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Tao Zhang
- Department of Orthopedics, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Wenbo Wang
- Department of Orthopedics, the First Affiliated Hospital of Harbin Medical University, Harbin, China
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31
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Nonsurgical Management of Ulnar Collateral Ligament Injuries. JOURNAL OF THE AMERICAN ACADEMY OF ORTHOPAEDIC SURGEONS GLOBAL RESEARCH AND REVIEWS 2021; 5:01979360-202104000-00003. [PMID: 33835949 DOI: 10.5435/jaaosglobal-d-20-00257] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 01/30/2021] [Indexed: 12/14/2022]
Abstract
Ulnar collateral ligament (UCL) injuries are a common source of pain and disability in the overhead athlete and often result in notable loss of time from competition. Over the past 10 to 15 years, the prevalence of UCL injury and reconstruction has undergone a dramatic increase, making it imperative to determine which patients may benefit from a nonsurgical regimen. Nonsurgical treatment involves a multidisciplinary approach of rehabilitation with tailored physical therapy programs and, in certain cases, biologic adjuncts. Physical therapy protocols should focus on strengthening the periscapular muscles, rotator cuff, core musculature, and flexor pronator mass to help stabilize the injured elbow and prevent injury recurrence before the initiation of a progressive throwing program. The implementation of injury prevention programs has shifted the focus from just the elbow and have included the shoulder, legs, and core in an effort to help decrease the stress on the upper extremity. In addition, biologic therapies such as platelet-rich therapy are promising modalities to augment the conservative treatment of UCL injuries but remain under investigation. The purpose of this study is to review available strategies and outcomes for conservatively treating UCL injuries.
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32
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Hohmann E, Tetsworth K, Glatt V. Platelet-Rich Plasma Versus Corticosteroids for the Treatment of Plantar Fasciitis: A Systematic Review and Meta-analysis. Am J Sports Med 2021; 49:1381-1393. [PMID: 32822236 DOI: 10.1177/0363546520937293] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Plantar fasciitis is a common cause of heel pain. Corticosteroid injections are commonly used and proven to be effective, and lately platelet-rich plasma (PRP) has been used with mixed results. PURPOSE To perform a systematic review and meta-analysis comparing intralesional injections of PRP and steroid infiltration. STUDY DESIGN Systematic review and meta-analysis. METHODS A systematic review of Medline, Embase, Scopus, and Google Scholar including all level 1 and 2 studies from 2010 to 2019 was perfomed. American Orthopaedic Foot and Ankle Society and visual analog scale for pain scores were used as outcome variables. Publication bias and risk of bias was assessed with the Cochrane Collaboration tools. The Grading of Recommendations, Assessment, Development and Evaluations system was used to assess the quality of the body of evidence. Heterogeneity was assessed with χ2 and I2 statistics. RESULTS Fifteen studies were included in the analysis. Nine studies had a high risk of bias. There was 1 study with high quality, 9 with moderate, 2 studies with low, and 3 with very low quality. The pooled estimate for the American Orthopaedic Foot and Ankle Society score demonstrated nonsignificant differences at 1 month (P = .4) and 3 months (P = .076). At 6 months (P = .009) and 12 months (P = .009), it indicated significant differences in favor of PRP. The pooled estimate for visual analog scale demonstrated nonsignificant differences at 1 month (P = .653). At 3 months (P = .0001), 6 months (P = .002), and 12 months (P = .019), it yielded significant differences in favor of PRP. CONCLUSION The results of this systematic review and meta-analysis suggest that PRP is superior to corticosteroid injections for pain control at 3 months and lasts up to 1 year. In the short term, there is no advantage of corticosteroid infiltration. However, the low study quality, high risk of bias, and different protocols for PRP preparation reduce the internal and external validity of these findings, and these results must be viewed with caution.
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Affiliation(s)
- Erik Hohmann
- Faculty of Health Sciences, Medical School, University of Pretoria, Pretoria, South Africa.,Department of Orthopaedic Surgery and Sports Medicine, Valiant Clinic/Houston Methodist Group, Dubai, United Arab Emirates
| | - Kevin Tetsworth
- Department of Orthopaedic Surgery, Royal Brisbane Hospital, Herston, Australia.,Department of Surgery, School of Medicine, University of Queensland, Herston, Australia.,Limb Reconstruction Center, Macquarie University Hospital, Macquarie Park, Australia.,Orthopaedic Research Centre of Australia, Brisbane, Australia
| | - Vaida Glatt
- Orthopaedic Research Centre of Australia, Brisbane, Australia.,Department of Orthopaedics, University of Texas Health Science Center, San Antonio, Texas, USA
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Abstract
CONTEXT Injections are commonly used by health care practitioners to treat foot and ankle injuries in athletes despite ongoing questions regarding efficacy and safety. EVIDENCE ACQUISITION An extensive literature review was performed through MEDLINE, Google Scholar, and EBSCOhost from database inception to 2021. Keywords searched were injections, athletes, sports, foot and ankle, corticosteroids, platelet-rich plasma, and placental tissue. Search results included articles written in the English language and encompassed reviews, case series, empirical studies, and basic science articles. STUDY DESIGN Clinical review. LEVEL OF EVIDENCE Level 4. RESULTS Corticosteroids, platelet-rich plasma/autologous blood, anesthetic, and placental tissue injections are commonly used in the treatment of foot and ankle injuries. Primary indications for injections in athletes include plantar fasciitis, Achilles tendinosis, isolated syndesmotic injury, and ankle impingement with varying clinical results. CONCLUSIONS Despite promising results from limited case series and comparative studies, the data for safety and efficacy of injections for foot and ankle injuries in athletes remain inconclusive.
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Affiliation(s)
- Jonathan K Ochoa
- Department of Orthopaedic Surgery, University of California-Irvine, Orange, California
| | - Christopher E Gross
- Department of Orthopaedics, Medical University of South Carolina, Charleston, South Carolina
| | - Robert B Anderson
- Bellin Health Titletown Sports Medicine and Orthopedics, Green Bay, Wisconsin
| | - Andrew R Hsu
- Department of Orthopaedic Surgery, University of California-Irvine, Orange, California
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Ling JF, Wininger AE, Hirase T. Platelet-Rich Plasma Versus Corticosteroid Injection for Lumbar Spondylosis and Sacroiliac Arthropathy: A Systematic Review of Comparative Studies. Cureus 2021; 13:e14062. [PMID: 33898145 PMCID: PMC8061754 DOI: 10.7759/cureus.14062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/23/2021] [Indexed: 12/23/2022] Open
Abstract
This systematic review compares clinical outcomes between platelet-rich plasma (PRP) and corticosteroid injections for the treatment of lumbar spondylosis and sacroiliac arthropathy. A systematic review was registered with the International Prospective Register of Systematic Reviews (PROSPERO) and performed according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines using the Pubmed, SCOPUS, and Ovid MEDLINE databases. All level I-III evidence comparative studies published in the English language investigating the clinical outcomes between PRP and corticosteroid injections for the treatment of lumbar spondylosis and sacroiliac arthropathy were included. Five studies (242 patients, 114 PRP, 128 corticosteroid) were analyzed. One randomized study was level I evidence, two randomized studies were level II, and two non-randomized studies were level III. Final follow-up ranged from six weeks to six months. Four studies found that both PRP and corticosteroid treatment led to a statistically significant reduction in the visual analog scale (VAS). One found that only the PRP group led to a statistically significant reduction in VAS. Three studies found more significant improvements in one or more clinical outcome scores among PRP patients as compared with corticosteroid patients at the three- to six-month follow-up. Two studies found no difference in outcome score improvements between the two groups at six- to 12-week follow-up. There were no reports of major complications. There were no significant differences in minor complication rates between the two groups. In conclusion, both PRP and corticosteroid injections are safe and effective options for the treatment of lumbar spondylosis and sacroiliac arthropathy. There is some evidence that PRP injection is a more effective option at long-term follow-up compared with corticosteroid injection. Further randomized controlled trials with longer-term follow-up are necessary to compare its long-term efficacy.
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Affiliation(s)
- Jeremiah F Ling
- Orthopedics and Sports Medicine, Houston Methodist Hospital, Houston, USA
| | - Austin E Wininger
- Orthopedics and Sports Medicine, Houston Methodist Hospital, Houston, USA
| | - Takashi Hirase
- Orthopedics and Sports Medicine, Houston Methodist Hospital, Houston, USA
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Nayak BK, Singh DK, Kumar N, Jaiswal B. Recovering from nonspecific low back pain despair: Ultrasound-guided intervention in iliolumbar syndrome. Indian J Radiol Imaging 2021; 30:448-452. [PMID: 33737773 PMCID: PMC7954157 DOI: 10.4103/ijri.ijri_382_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 01/17/2020] [Accepted: 09/10/2020] [Indexed: 12/04/2022] Open
Abstract
Background: Iliolumbar syndrome is a frequent cause of chronic nonspecific low back pain. The cornerstone of its treatment lies upon the specific diagnosis of the iliolumbar syndrome. The ultrasound guided interventions have the potential for the specific diagnosis and treatment of the iliolumbar syndrome. Objective: To assess the role of ultrasound-guided intervention for the diagnosis and treatment of the iliolumbar syndrome. Materials and Methods: The study comprised of fifty-seven patients of nonspecific low back pain with the clinically suspected iliolumbar syndrome. Two-staged ultrasound-guided interventions were performed: Primary diagnostic and secondary therapeutic interventions. Favorable response after the injection of local anesthetic agent in iliolumbar ligament (defined as VAS score to ≥3) was classified as confirmed Ilio-lumbar syndrome. Clinico radiological efficacy after platelet-rich plasma (PRP) injection in confirmed iliolumbar syndrome patients was done. Results: Out of 57 patients, 45 (78.95%) were diagnosed with confirmed Iliolumbar syndrome after primary diagnostic intervention. The mean value of VAS at presentation was 8.02 ± 0.72 which was decreased to 3.16 ± 1.63; P < 0.0001. All 45 patients underwent PRP injection in iliolumbar ligament and 42 patients (93.33%) showed reduction in mean VAS score from 8 ± 0.67 (at presentation) to 0.89 ± 1.23 after 6 weeks follow up; P < 0.0001. Iliolumbar ligament thickness was decreased from the day of presentation (2.66 ± 0.22) to 6 weeks after therapeutic intervention (0.91 ± 0.42); P < 0.0001. Conclusion: The ultrasound guided diagnostic and therapeutic intervention were found to result in a specific diagnosis and remarkable recovery in the iliolumbar syndrome group of nonspecific low back pain patients.
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Affiliation(s)
- Bibhu K Nayak
- Department of Sports Medicine, Sports Injury Centre, New Delhi, India
| | - Dharmendra K Singh
- Department of Radiodiagnosis, VMMC and Safdarjung Hospital, New Delhi, India
| | - Nishith Kumar
- Department of Radiodiagnosis, VMMC and Safdarjung Hospital, New Delhi, India
| | - Binita Jaiswal
- Department of Anesthesia, VMMC and Safdarjung Hospital, New Delhi, India
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Branch EA, Matuska AM, Plummer HA, Harrison RM, Anz AW. Platelet-Rich Plasma Devices Can Be Used to Isolate Stem Cells From Synovial Fluid at the Point of Care. Arthroscopy 2021; 37:893-900. [PMID: 33010328 DOI: 10.1016/j.arthro.2020.09.035] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 09/12/2020] [Accepted: 09/19/2020] [Indexed: 02/02/2023]
Abstract
PURPOSE To assess whether point-of-care devices designed for collecting cellular components from blood or bone marrow could be used to isolate viable stem cells from synovial fluid. METHODS Male and female patients older than 18 years old with either an acute, anterior cruciate ligament (ACL) injury or knee osteoarthritis (OA) with a minimum estimated 20 mL of knee effusion volunteered. Ten patients with an ACL injury and 10 patients with OA were enrolled. Two milliliters of collected synovial effusion were analyzed and cultured for cellular content. The remaining fluid was combined with whole blood and processed using a buffy-coat based platelet-rich plasma (PRP) processing system. Specimens were analyzed for cell counts, colony-forming unit (CFU) assays, differentiation assays, and flow cytometry. RESULTS ACL effusion fluid contained 42.1 ± 20.7 CFU/mL and OA effusion fluid contained 65.4 ± 42.1 CFU/mL. After PRP processing, the counts in ACL-PRP were 101.6 ± 66.1 CFU/mL and 114.8 ± 73.4 CFU/mL in the OA-PRP. Cells showed tri-lineage differentiation potential when cultured under appropriate parameters. When analyzed with flow cytometry, >95% of cells produced with culturing expressed cell surface markers typically expressed by known stem cell populations, specifically CD45-, CD73+, CD29+, CD44+, CD105+, and CD90+. CONCLUSIONS Multipotent viable stem cells can be harvested from knee synovial fluid, associated with an ACL injury or OA, and concentrated with a buffy coat-based PRP-processing device. CLINICAL RELEVANCE PRP devices can be used to harvest stem cells from effusion fluids. Methods to use effusion fluid associated with an ACL injury and OA should be investigated further.
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Affiliation(s)
- Eric A Branch
- Andrews Research & Education Foundation, Gulf Breeze, Florida, U.S.A
| | | | - Hillary A Plummer
- Andrews Research & Education Foundation, Gulf Breeze, Florida, U.S.A
| | | | - Adam W Anz
- Andrews Research & Education Foundation, Gulf Breeze, Florida, U.S.A..
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Seow D, Shimozono Y, Tengku Yusof TNB, Yasui Y, Massey A, Kennedy JG. Platelet-Rich Plasma Injection for the Treatment of Hamstring Injuries: A Systematic Review and Meta-analysis With Best-Worst Case Analysis. Am J Sports Med 2021; 49:529-537. [PMID: 32427520 DOI: 10.1177/0363546520916729] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Hamstring injuries are common and account for considerable time lost to play in athletes. Platelet-rich plasma has potential as a means to accelerate healing of these injuries. PURPOSE (1) To present the evidence of platelet-rich plasma injection in the treatment of hamstring injuries, (2) evaluate the "best-case scenario" in dichotomous outcomes, and (3) evaluate the "worst-case scenario" in dichotomous outcomes. STUDY DESIGN Systematic review and meta-analysis. METHODS Two authors systematically reviewed the PubMed, Embase, and Cochrane Library databases according to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines, with any discrepancies resolved by mutual consensus. The level of evidence was assessed per the criteria of the Oxford Centre for Evidence-Based Medicine and the quality of evidence by the Coleman Methodology Score. Meta-analysis by fixed effects models was used if heterogeneity was low (I2 < 25%) and random effects models if heterogeneity was moderate to high (I2≥ 25%). P values <.05 were considered statistically significant. RESULTS A total of 10 studies were included with 207 hamstring injuries in the platelet-rich plasma group and 149 in the control group. Random-effects model for mean time to return to play that compared platelet-rich plasma + physical therapy to physical therapy alone non-significantly favored platelet-rich plasma + physical therapy (mean difference, -5.67 days). The fixed effects model for reinjury rates, which also compared platelet-rich plasma + physical therapy with physical therapy alone nonsignificantly favored platelet-rich plasma + physical therapy (risk ratio, 0.88). The best-case scenario fixed effects model for reinjury rates nonsignificantly favored platelet-rich plasma + physical therapy (risk ratio, 0.82). The worst-case scenario fixed effects model for reinjury rates nonsignificantly favored physical therapy alone (risk ratio, 1.13). The mean ± SD complication rate for either postinjection discomfort, pain, or sciatic nerve irritation was 5.2% ± 2.9% (range, 2.7% to 9.1%). CONCLUSION There has been statistically nonsignificant evidence to suggest that PRP injection ± PT reduced mean time to RTP or reinjury rates compared to no treatment or PT alone for hamstring injuries in a short-term follow-up. The complication profiles were favorable. Further studies of high quality and large cohorts are needed to better support or disprove the consensus of the systematic review and meta-analysis.
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Affiliation(s)
- Dexter Seow
- NYU Langone Health, NYU Langone Orthopedic Hospital, New York, New York, USA.,Liverpool Football Club, Liverpool, UK
| | - Yoshiharu Shimozono
- NYU Langone Health, NYU Langone Orthopedic Hospital, New York, New York, USA.,Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | | | - Youichi Yasui
- Department of Orthopaedic Surgery, School of Medicine, Teikyo University, Tokyo, Japan
| | | | - John G Kennedy
- NYU Langone Health, NYU Langone Orthopedic Hospital, New York, New York, USA
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Early Clinical Results of the Tolerability, Safety, and Efficacy of Autologous Platelet-Rich Plasma Administration in Erectile Dysfunction. Sex Med 2021; 9:100313. [PMID: 33529814 PMCID: PMC8072172 DOI: 10.1016/j.esxm.2020.100313] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 12/11/2020] [Accepted: 12/13/2020] [Indexed: 12/14/2022] Open
Abstract
Introduction Platelet-rich plasma (PRP) is useful in the treatment of different conditions and diseases as it contains concentrated levels of many growth factors. Aim The aim of this study was to investigate the effectiveness of autologous PRP application in the treatment of erectile dysfunction (ED) in patients with metabolic syndrome. Methods In this prospective study conducted in June 2019, 31 patients with ED were included. The International Index of Erectile Function–Erectile Function domain (IIEF-EF) questionnaires were used to evaluate erectile function (EF). After administering the intracavernous autologous PRP 3 times with an interval of 15 days, IIEF-EFs were evaluated 1, 3, and 6 months later. Main Outcome Measure IIEF in the 1st, 3rd, and 6th months and adverse events. Results While the mean IIEF-EF was 18 before the application, the mean IIEF-EF was 20 in the first, third, and sixth months after the procedure (P < .001). However, even though IIEF-EF values increased numerically, median value remained within the mild-moderate classification (scores between 17 and 21). Postprocedure sexual satisfaction scores were significantly higher than preprocedure values (8 vs 6, respectively; P = .002). In the first follow-up of a patient after the 3rd injection, a 4-mm diameter fibrotic plaque was observed on the ventral side in the middle of the penis shaft. Conclusion In conclusion, our findings suggest that larger studies as well as placebo-controlled studies are needed to add PRP to the treatment protocol in ED. T Taş,Çakıroğlu, E Arda, et al. Early Clinical Results of the Tolerability, Safety, and Efficacy of Autologous Platelet-Rich Plasma Administration in Erectile Dysfunction. Sex Med 2021;9:100313.
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Alternative Treatment for Erectile Dysfunction: a Growing Arsenal in Men's Health. Curr Urol Rep 2021; 22:11. [PMID: 33420972 DOI: 10.1007/s11934-020-01023-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2020] [Indexed: 12/15/2022]
Abstract
PURPOSE OF REVIEW To highlight and review encouraging preliminary studies behind several alternative products and interventions for erectile dysfunction (ED). RECENT FINDINGS Alternative treatments for ED are becoming more prevalent with increased consumer interest. "Natural" products are sold online, and numerous clinics offer various off-label and investigational interventions. These alternative treatments have demonstrated varying degrees of efficacy in randomized trials and meta-analyses, but none of these interventions has robust enough evidence to be considered first-line therapy. These treatments may find a role in combination with guideline treatments or may be used in novel penile rehabilitation research protocols. With growing interest in alternative treatment for men's health, an awareness of the literature is imperative for patient counsel. Alternative treatments, like L-arginine, have a growing body of evidence for efficacy in combination with PDE5i, and low-intensity shock wave therapy and stem cell therapy continue to demonstrate encouraging outcomes in ED trials.
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Hogan MV, Scott DM, Canton SP, LaBaze D, Yan AY, Wang JHC. Biologic therapies for foot and ankle injuries. Expert Opin Biol Ther 2020; 21:717-730. [PMID: 33382002 DOI: 10.1080/14712598.2021.1866534] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Introduction: The use of orthobiologics as supplemental treatment for foot and ankle pathologies have increased in the past decades. They have been used to improve the healing of bone and soft tissue injuries. There have been several studies that examined the use of biologics for knee and hip pathologies but the foot and ankle construct has unique features that must be considered.Areas covered: The biologics for foot and ankle injuries that are covered in this review are platelet-rich plasma (PRP), stem cells, growth factors, hyaluronic acid, bone grafts, bone substitutes, and scaffolds. These modalities are used in the treatment of pathologies related to tendon and soft tissue as well as cartilage.Expert opinion: The utilization of biological adjuncts for improved repair and regeneration of ankle injuries represents a promising future in our efforts to address difficult clinical problems. The application of concentrated bone marrow and PRP each represents the most widely studied and commonly used injection therapies with early clinical studies demonstrating promising results, research is also being done using other potential therapies such as stem cells and growth factors; further investigation and outcome data are still needed.
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Affiliation(s)
- MaCalus V Hogan
- Departments of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania.,Foot and Ankle Injury Research Center, University of Pittsburgh, Pittsburgh, PA, USA.,Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Devon M Scott
- Departments of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Stephen P Canton
- Departments of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Dukens LaBaze
- Departments of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Alan Y Yan
- Departments of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania.,Foot and Ankle Injury Research Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - James H-C Wang
- Departments of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania.,Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Zhou M, Wang N, Wang G, Jia Z, Qi X. Parecoxib alleviates the inflammatory effect of leukocyte-rich platelet-rich plasma in normal rabbit tendons. BMC Musculoskelet Disord 2020; 21:831. [PMID: 33302906 PMCID: PMC7731558 DOI: 10.1186/s12891-020-03793-2] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 11/12/2020] [Indexed: 01/08/2023] Open
Abstract
Background Platelet-rich plasma (PRP) is widely used to treat tendon injuries. Its therapeutic effect varies depending on the different cell components, and white blood cells (WBCs) may play an important role in this phenomenon. The purpose of this study was to evaluate how PRP with different concentrations of WBCs affect normal rabbit tendon and assess whether non-steroidal anti-inflammatory drugs (NSAIDs) can suppress the catabolic effects of WBCs. Methods Sixteen adult New Zealand White rabbits were used. Blood samples were collected from each rabbit, and PRP was extracted following two different protocols to obtain leukocyte-poor PRP (LP-PRP) and leukocyte-rich PRP (LR-PRP). LP-PRP or LR-PRP was injected into the patellar tendon of each rabbit, while normal saline (NS) was injected as control. In LR-PRP + NSAID group, Parecoxib was administered after LR-PRP injection. For each group, 2 rabbits were euthanatized at day 5 and 14. The patellar tendons were collected and stained with hematoxylin and eosin. A semi-quantitative approach was used to assess the inflammatory response and tendon destruction based on the evaluation of the WBCs, vascularization, fiber structure, and fibrosis. Results The LR-PRP group exhibited a higher total tendon score than the LP-PRP group at day 5 after PRP injection, but there was no significant difference between the two groups at day 14. For the NSAID group, the tendon score was lower than that of the LR-PRP group both at day 5 and 14. Conclusion LR-PRP can promote a higher inflammatory response than LP-PRP in the normal rabbit patellar tendon, and this effect can be suppressed by NSAIDs.
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Affiliation(s)
- Ming Zhou
- Department of Rehabilitation Medicine, First Medical Center of Chinese PLA General Hospital, 28 Fuxing Road, Beijing, 100853, People's Republic of China
| | - Ning Wang
- Department of Rehabilitation Medicine, First Medical Center of Chinese PLA General Hospital, 28 Fuxing Road, Beijing, 100853, People's Republic of China.
| | - Gang Wang
- Department of Rehabilitation Medicine, First Medical Center of Chinese PLA General Hospital, 28 Fuxing Road, Beijing, 100853, People's Republic of China
| | - Zishan Jia
- Department of Rehabilitation Medicine, First Medical Center of Chinese PLA General Hospital, 28 Fuxing Road, Beijing, 100853, People's Republic of China
| | - Xiaolei Qi
- Department of Rehabilitation Medicine, First Medical Center of Chinese PLA General Hospital, 28 Fuxing Road, Beijing, 100853, People's Republic of China
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Niazi GE, Hassan MS, Elfawy DM. Ultrasound-guided injection of platelet-rich plasma (PRP) in rotator cuff tendinopathy: effect on patients’ symptoms and supraspinatus tendon thickness. THE EGYPTIAN JOURNAL OF RADIOLOGY AND NUCLEAR MEDICINE 2020. [DOI: 10.1186/s43055-020-00221-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Abstract
Background
Rotator cuff tendinopathy is considered a major cause of shoulder pain and disability that is increasing substantially with age affecting more than half of the general population by the age of 60 years. This study aims to assess the effect of ultrasound-guided injection of platelet-rich plasma on patient symptoms and supraspinatus tendon thickness in cases of rotator cuff tendinopathy.
Results
This was a single-arm interventional study conducted on 30 patients with age ranging between 27 and 54 years old. Following US-guided injection of PRP, patients were evaluated clinically using the Shoulder Pain and Disability Index (SPADI) scoring system and radiologically using ultrasonographic supraspinatus tendon thickness measurements at 4, 8, 12, and 24 weeks. Our study showed remarkably noticeable changes when comparing the pre-injection and post-injection SPADI scoring system. There is highly statistically significant pain and disability score and percentage improvement, yet on the other hand, the radiological improvement shows no statistically significant difference found between baseline tendon thickness and its follow-up at 4, 8, and 12 weeks while only there was a statistically significant decrease in tendon thickness found at 24 weeks with P value = 0.043.
Conclusions
The ultrasound-guided PRP injection for supraspinatus tendinopathy cases is a safe, cheap, and easily prepared outpatient procedure which showed competitive, promising, and well-proved results when compared to other modality outcomes such as conventional surgeries, arthroscopic procedures, and physiotherapy.
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Britt D, Blankstein U, Lenardis M, Millman A, Grober E, Krakowsky Y. Availability of platelet-rich plasma for treatment of erectile dysfunction and associated costs and efficacy: A review of current publications and Canadian data. Can Urol Assoc J 2020; 15:202-206. [PMID: 33212009 DOI: 10.5489/cuaj.6947] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Platelet-rich plasma (PRP) is an increasingly used unconventional treatment option for erectile dysfunction (ED). The validity of PRP as a potential treatment for ED has been proposed in limited human trials. Furthermore, the costs associated with PRP for ED treatment are not readily promoted to patients. The goal of this review was to determine the efficacy and costs of PRP based on currently available literature and Canadian data. METHODS A comprehensive literature review of available PRP studies and current published data pertaining to cost, availability, and provider clinics globally was conducted using the PubMed database. Physicians offering genital PRP in Canada were identified using internet searches and PRP provider directories. Physician qualifications, clinic locations, and cost information were obtained from provider websites and telephone calls to identified clinics. RESULTS Availability of PRP injections offered for treating ED is increasing globally. There are currently no peer-reviewed publications to substantiate anecdotal evidence pertaining to the efficacy of PRP as a viable treatment option for ED patients. Our results indicate 19 providers for PRP injections in Canada, costing on average $1777 CAD per injection. No providers were affiliated with academic institutions and providers varied in their area of clinical speciality and training. CONCLUSIONS To our knowledge, there is currently no research underway investigating the clinical efficacy of PRP for ED treatment despite its broad availability and significant cost. Patients should be informed of the lack of substantiated efficacy and safety data, as the reliability of PRP treatments requires further evaluation.
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Affiliation(s)
- Deron Britt
- University of Ottawa, Faculty of Medicine, Ottawa, ON, Canada
| | - Udi Blankstein
- Division of Urology, University of Toronto, Toronto, ON, Canada
| | | | | | - Ethan Grober
- Women's College Hospital, Division of Urology, University of Toronto, Toronto, ON, Canada
| | - Yonah Krakowsky
- Women's College Hospital, Division of Urology, University of Toronto, Toronto, ON, Canada
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Dias FGF, de Almeida SHM, Fávaro W, Latuf P, Ricetto CLZ. Can platelet-rich plasma coating improve polypropylene mesh integration? An immunohistochemical analysis in rabbits. Int Braz J Urol 2020; 47:287-294. [PMID: 33146979 PMCID: PMC7857777 DOI: 10.1590/s1677-5538.ibju.2020.0017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 04/02/2020] [Indexed: 12/13/2022] Open
Abstract
Purpose: Despite high success rates in the treatment of urinary incontinence, complications related to the use of polypropylene (PP) meshes are still a concern, especially in vaginal prolapses surgeries. The objective of this study was to assess the effect of autologous platelet-rich plasma (PRP) coating on the integration of PP meshes implanted in the vaginal submucosa of rabbits. Materials and Methods: Thirty adult New Zealand rabbits were randomly divided into two groups (n=15): PP, implanted with conventional PP meshes; and PRP, implanted with autologous PRP coated PP meshes. Animals in both groups (n=5) were euthanized at 7, 30 and 90 days postoperatively, the vaginas extracted and sent to immunohistochemical analysis for the assessment of the pro-inflammatory agent TNF-α, anti-inflammatory agents TGF-β and IL-13, collagen metabolism marker MMP-2, and angiogenesis marker CD-31. AxioVision™ image analysis was used for the calculation of the immunoreactive area and density. Statistical analysis was performed with ANOVA followed by Tukey test (p <0.05). Results: Animals in the PRP group showed significantly increased expression of the angiogenesis agent CD-31 at all experimental times when compared to the PP group (p <0.0001). However, no differences concerning the expression of the other markers were observed between the groups. Conclusion: The addition of autologous PRP gel to PP meshes can be simply and safely achieved and seems to have a positive effect on implantation site angiogenesis. Further investigations are required to ascertain PPR coated meshes clinical efficacy in prolapses and stress urinary incontinence surgeries.
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Affiliation(s)
| | | | - Wagner Fávaro
- Departamento de Biologia Estrutural e Funcional, Universidade Estadual de Campinas - UNICAMP, Campinas, SP, Brasil
| | - Paulo Latuf
- Centro de Investigação em Pediatria (CIPED FCM), Universidade Estadual de Campinas - UNICAMP, Campinas, SP, Brasil
| | - Cássio L Z Ricetto
- Departamento de Urologia, Universidade Estadual de Campinas - UNICAMP, Campinas, SP, Brasil
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Blanco-Rivera J, Elizondo-Rodríguez J, Simental-Mendía M, Vilchez-Cavazos F, Peña-Martínez VM, Acosta-Olivo C. Treatment of lateral ankle sprain with platelet-rich plasma: A randomized clinical study. Foot Ankle Surg 2020; 26:750-754. [PMID: 31640921 DOI: 10.1016/j.fas.2019.09.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 07/09/2019] [Accepted: 09/20/2019] [Indexed: 02/04/2023]
Abstract
BACKGROUND We aimed to clinically evaluate the effect of platelet-rich plasma (PRP) therapy in patients with acute lateral ankle sprain treated with rigid immobilization. METHODS Patients with first-time grade II lateral ankle sprain clinically diagnosed were evaluated (n=21). A rigid immobilization was placed in all patients for ten days; previously, an application of PRP over the anterior talofibular ligament was performed in patients from the experimental group. The Visual Analogue Scale, the American Orthopedic Foot and Ankle Score, and the Foot and Ankle Disability Index were applied at 3, 5, 8 and 24 weeks of follow-up period. RESULTS The experimental group presented the highest reduction in pain and better functional scores than the control group at 8 weeks. At the end of follow-up period the results of both groups were similar. CONCLUSIONS A similar evolution was observed in patients treated with rigid immobilization with or without PRP after 24 weeks. TRIAL REGISTRATION Clinical Trials.gov with ID NCT02609308.
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Affiliation(s)
- Juancarlos Blanco-Rivera
- Department of Orthopedics and Traumatology, University Hospital "Dr. José Eleuterio González, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, Mexico
| | - Jorge Elizondo-Rodríguez
- Department of Orthopedics and Traumatology, University Hospital "Dr. José Eleuterio González, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, Mexico
| | - Mario Simental-Mendía
- Department of Orthopedics and Traumatology, University Hospital "Dr. José Eleuterio González, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, Mexico
| | - Félix Vilchez-Cavazos
- Department of Orthopedics and Traumatology, University Hospital "Dr. José Eleuterio González, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, Mexico
| | - Víctor M Peña-Martínez
- Department of Orthopedics and Traumatology, University Hospital "Dr. José Eleuterio González, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, Mexico
| | - Carlos Acosta-Olivo
- Department of Orthopedics and Traumatology, University Hospital "Dr. José Eleuterio González, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, Mexico.
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Boesen AP, Boesen MI, Hansen R, Barfod KW, Lenskjold A, Malliaras P, Langberg H. Effect of Platelet-Rich Plasma on Nonsurgically Treated Acute Achilles Tendon Ruptures: A Randomized, Double-Blinded Prospective Study. Am J Sports Med 2020; 48:2268-2276. [PMID: 32485112 DOI: 10.1177/0363546520922541] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND An acute Achilles tendon rupture (ATR) is a long-lasting and devastating injury. Possible biological augmentation to promote and strengthen tendon healing after an ATR would be desirable. PURPOSE To determine whether the application of a platelet-rich plasma (PRP) injection in nonsurgically treated ATRs may promote healing and thereby improve functional outcomes. STUDY DESIGN Randomized controlled trial; Level of evidence, 2. METHODS A total of 40 men (aged 18-60 years) with an ATR incurred within 72 hours were included, and 38 were followed for 12 months. All patients were treated with an orthosis with 3 wedges for 8 weeks; full weightbearing from day 1 was allowed, combined with either 4 PRP or 4 placebo injections (a few drops of saline, <0.5 mL, under the skin) 14 days apart. All patients received the same instructions on an exercise program starting from week 9. Outcomes included the self-reported Achilles tendon Total Rupture Score (ATRS) as well as heel-rise work, heel-rise height, tendon elongation, calf circumference, and ankle dorsiflexion range of motion. RESULTS The mean ATRS score improved in both groups at all time points (P < .001), but there was no difference between the groups at any time points (12 months: 90.1 points in PRP group and 88.8 points in placebo group). No differences in all functional outcomes at any time points were seen between the groups. At 12 months, the injured leg did not reach normal functional values compared with the uninjured leg. CONCLUSION The application of PRP in nonsurgically treated ATRs did not appear to show any superior clinical and functional improvement. REGISTRATION NCT02417922 (ClinicalTrials.gov identifier).
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Affiliation(s)
- Anders Ploug Boesen
- Institute of Sports Medicine, Department of Orthopaedic Surgery M, Bispebjerg Hospital, Copenhagen, Denmark.,Center for Healthy Aging, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Department of Orthopaedic Surgery, Hvidovre Hospital, Hvidovre, Denmark
| | | | - Rudi Hansen
- Institute of Sports Medicine, Department of Orthopaedic Surgery M, Bispebjerg Hospital, Copenhagen, Denmark.,Center for Healthy Aging, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | | | - Anders Lenskjold
- Institute of Sports Medicine, Department of Orthopaedic Surgery M, Bispebjerg Hospital, Copenhagen, Denmark.,Center for Healthy Aging, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Peter Malliaras
- Department of Physiotherapy, School of Primary and Allied Health Care, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia
| | - Henning Langberg
- CopenRehab, Section of Social Medicine, Department of Public Health, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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Auriemma MJ, Tenforde AS, Harris A, McInnis KC. Platelet-rich plasma for treatment of chronic proximal hamstring tendinopathy. Regen Med 2020; 15:1509-1518. [PMID: 32419631 DOI: 10.2217/rme-2019-0105] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Aim: To determine whether platelet-rich plasma (PRP) can successfully treat symptoms associated with proximal hamstring tendinopathy. Materials & methods: Charts were retrospectively reviewed of patients with a diagnosis of chronic proximal hamstring tendinopathy who underwent an ultrasound-guided leukocyte-rich PRP injection to assess reported outcomes at baseline and final follow-up post-intervention. Results: In 22 patients with a mean age of 48.7 years and mean symptom duration of 26.5 months, mean Numeric Pain Rating Scale and Victorian Institute of Sport Assessment Scale for Proximal Hamstring Tendinopathy subscores demonstrated statistically significant improvements (p < 0.05) at a mean of 7.91 months follow-up. Sixty-eight percent of patients demonstrated ≥50% reduction of pain. Conclusion: Pain and functional outcomes improved following injection of PRP.
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Affiliation(s)
- Michael J Auriemma
- Harvard Medical School, 25 Shattuck St, Boston, MA 02115, USA.,Spaulding Rehabilitation Hospital, 300 1st Ave, Charlestown, MA 02129, USA
| | - Adam S Tenforde
- Harvard Medical School, 25 Shattuck St, Boston, MA 02115, USA.,Spaulding Rehabilitation Hospital, 300 1st Ave, Charlestown, MA 02129, USA
| | - Adam Harris
- Harvard Medical School, 25 Shattuck St, Boston, MA 02115, USA.,Spaulding Rehabilitation Hospital, 300 1st Ave, Charlestown, MA 02129, USA
| | - Kelly C McInnis
- Harvard Medical School, 25 Shattuck St, Boston, MA 02115, USA.,Spaulding Rehabilitation Hospital, 300 1st Ave, Charlestown, MA 02129, USA.,Department of Sports Medicine, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114, USA
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Apostolakos JM, Lin KM, Carr JB, Bedi A, Camp CL, Dines JS. The Role of Biologic Agents in the Non-operative Management of Elbow Ulnar Collateral Ligament Injuries. Curr Rev Musculoskelet Med 2020; 13:442-448. [PMID: 32388723 DOI: 10.1007/s12178-020-09637-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
PURPOSE OF REVIEW Injuries to the elbow ulnar collateral ligament (UCL) are especially common in the overhead throwing athlete. Despite preventative measures, these injuries are occurring at increasing rates in athletes of all levels. UCL reconstruction techniques generally require a prolonged recovery period and introduce the potential for intraoperative complications prompting investigations into more conservative treatment measures based on specific patient and injury characteristics. The purpose of this review is to describe the current literature regarding the use of biologic augmentation in the management of UCL injuries. Specifically, this review will focus on the basic science background and clinical investigations pertaining to biologic augmentation utilizing platelet-rich plasma (PRP) and autologous stem cells. RECENT FINDINGS Despite some evidence supporting the use of PRP therapy in patients with partial UCL tears, there is no current consensus regarding its true efficacy. Similarly, due to a lack of clinical investigations, no consensus exists regarding the utilization of autologous stem cell treatments in the management of UCL injuries. Management of UCL injuries ranges from non-operative treatment with focused physical therapy protocols to operative reconstruction. The use of biologic augmentation in these injuries continues to be investigated in the orthopedic community. Currently, no consensus exists regarding the efficacy of either PRP or autologous stem cells and further research is needed to further define the appropriate role of these treatments in the management of UCL injuries.
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Affiliation(s)
- John M Apostolakos
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA.
| | - Kenneth M Lin
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | - James B Carr
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | | | | | - Joshua S Dines
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA
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Apakupakul J, Sattasathuchana P, Chanloinapha P, Thengchaisri N. Optimization of a rapid one-step platelet-rich plasma preparation method using syringe centrifugation with and without carprofen. BMC Vet Res 2020; 16:124. [PMID: 32375782 PMCID: PMC7204049 DOI: 10.1186/s12917-020-02350-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Accepted: 04/29/2020] [Indexed: 11/10/2022] Open
Abstract
Background Carprofen and platelet-rich plasma (PRP) are widely used in small animal clinical practice. Separation layers have been used during blood centrifugation to increase platelet yield. The objectives of this study were to (1) identify the optimal centrifugation force for the one-step PRP preparation, (2) determine whether there is an advantage to using carprofen in one-step PRP preparation, and (3) compare platelet morphology from one-step PRP preparation with and without carprofen. We hypothesized that injectable carprofen (emulsion formula) could be used successfully as the separation layer in PRP preparation. Results Samples from 14 healthy dogs were used to determine the optimal centrifugation force using one-step PRP preparation in a disposable syringe without carprofen, with forces set at 300, 500, 700, 900, 1100, 1300, and 1500 xg for 5 min. Optimum centrifugation force, plasma volume, and platelet concentrations of one-step PRP preparation were found and recovered at 900 xg, 1.9 ± 0.28 ml, and 260.50 ± 58.39 X 103 cell/μl, respectively. Samples from 12 healthy dogs were used to determine the optimal force (with forces set at 300, 500, 700, and 900 xg) for 5 min using one-step PRP preparation with carprofen. Optimum centrifugation force, plasma volume, and platelet concentrations for one-step PRP preparation with carprofen were found and recovered at 500 xg, 0.62 ± 0.16 ml and 948.50 ± 261.40 X 103 cell/μl, respectively. One-step PRP preparation with carprofen increased the platelet yield from baseline by 1.76 and 4.95 fold, respectively. Samples from 3 healthy dogs were used to observe platelet morphologies after centrifugation by scanning electron microscopy. Images of platelets on glass slides from both preparation methods revealed pseudopods emerging from the margins of the discoid platelets. Conclusions One-step PRP centrifugation both with and without carprofen increased the platelet yield, but using carprofen (emulsion formula) as a separation layer resulted in a higher platelet yield. The clinical usefulness of PRP products from these methods should be further investigated.
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Affiliation(s)
- Jutarat Apakupakul
- Graduate Student in Veterinary Clinical Studies, Faculty of Veterinary Medicine, Kasetsart 462 University, Bangkok, 10900, Thailand
| | - Panpicha Sattasathuchana
- Department of Companion Animal Clinical Sciences, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, 10900, Thailand
| | - Phongsak Chanloinapha
- Kasetsart University Veterinary Teaching Hospital, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, 10900, Thailand
| | - Naris Thengchaisri
- Department of Companion Animal Clinical Sciences, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, 10900, Thailand.
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50
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Exosomal miRNAs in osteoarthritis. Mol Biol Rep 2020; 47:4737-4748. [DOI: 10.1007/s11033-020-05443-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 04/06/2020] [Indexed: 12/17/2022]
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