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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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Ivander G, Anggono Y. a comparison of intra-articular hyaluronic acid and platelet-rich plasma for knee osteoarthritis: a systematic review. Orthop Rev (Pavia) 2024; 16:94236. [PMID: 38435440 PMCID: PMC10908594 DOI: 10.52965/001c.94236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 02/05/2024] [Indexed: 03/05/2024] Open
Abstract
Introduction Knee osteoarthritis (KOA), the most common chronic degenerative condition in an older population, accounts for many disabilities around the world. One of the most popular treatments is intra-articular injection of hyaluronic acid (HA) and platelet-rich plasma (PRP). Objective Prior studies have found that both HA and PRP had a therapeutic effect on KOA. This study aims to perform a systematic review regarding whether PRP is superior to HA for KOA. Method We conducted a comprehensive literature search using Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) guidelines for prospective randomized control trials (pRCTs) in three international databases PubMed, Google Scholar, and ScienceDirect from 2019-2022. Two researchers independently searched the reviews, extracted, and cross-checked the data. The disparity when choosing the literature was resolved by discussion. The modified Jadad was scale used to assess the quality of the included studies. Cochrane risk of bias 2 tool (RoB-2) was used for determininzg risk of bias. Results Twenty three studies were eligible for inclusion. Four pRCT with the highest Jadad score were selected as best evidence. Risk of bias assesment concluded two studies having a low risk of bias, one is high risk of bias, and the other possesses some concerns.. Three studies found no difference in patient-reported outcomes between PRP and HA group and one study concluded that PRP is more effective than HA in treating KOA. Conclusion Intra-articular injections of PRP and HA are effective interventions for KOA. However, there is not enough evidence of PRP superiority over HA.
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Affiliation(s)
- Gian Ivander
- Orthopedic Universitas Katolik Widya Mandala Surabaya
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3
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Hijazi AH, Al-Hamed FS, Tamimi F, Al-Maweri SA, Hamdan N, Psutka DJ, Ta P, Klieb H. Regenerative potential of platelet concentrates in chronic oral mucosal lesions. J Oral Biol Craniofac Res 2024; 14:216-221. [PMID: 38487393 PMCID: PMC10937318 DOI: 10.1016/j.jobcr.2024.02.007] [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: 09/07/2023] [Revised: 02/03/2024] [Accepted: 02/23/2024] [Indexed: 03/17/2024] Open
Abstract
Chronic oral mucosal diseases (COMDs) represent a significant challenge for clinicians and patients. They are commonly associated with chronic pain and negative effects on healing and patient's quality of life. Regenerative medicine including the use of biological autologous blood-derived substances (e.g., platelet concentrates [PCs]), has been reported to improve healing and reduce pain in orthopedic and maxillofacial surgeries as well as chronic oral mucosal diseases. In this review, we aim to describe the different types of PCs and their applications in the management of COMDs such as lichen planus, mucositis, pemphigus vulgaris, mucous membrane pemphigoid, and plasma cell mucositis, in terms of healing potential, pain control, and quality of life. Overall, PC applications seem to enhance healing and reduce pain in patients with COMDs. However, due to the small sample size and the lack of standardized clinical trials, further research is required to support these findings.
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Affiliation(s)
- Abdel-Hameed Hijazi
- Department of Oral Medicine, Periodontology, Oral Diagnosis and Oral Radiology, Faculty of Dentistry, Sinai University – Kantara Branch, Ismailia, 41636, Egypt
| | | | - Faleh Tamimi
- College of Dental Medicine, QU Health, Qatar University, Doha, Qatar
| | | | - Nader Hamdan
- School of Dentistry, University of Alberta, Edmonton, Canada
| | - David J. Psutka
- Faculty of Dentistry, University of Toronto, Ontario, Canada
- Senior Surgeon, Mount Sinai Hospital Center of Excellence for Advanced TMJ Reconstructive Surgery, Ontario, Canada
| | - Peter Ta
- Faculty of Dentistry, University of Toronto, Ontario, Canada
- Staff Surgeon, Sunnybrook Health Sciences Centre and Trillium Health Partners, Ontario, Canada
| | - Hagen Klieb
- Department of Oral and Maxillofacial Sciences, Sunnybrook Health Sciences Centre, University of Toronto, Ontario, Canada
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4
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Cui Y, Lin L, Wang Z, Wang K, Xiao L, Lin W, Zhang Y. Research trends of platelet-rich plasma therapy on knee osteoarthritis from 2011 to 2021: A review. Medicine (Baltimore) 2023; 102:e32434. [PMID: 36637944 PMCID: PMC9839303 DOI: 10.1097/md.0000000000032434] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Platelet-rich plasma (PRP) has been widely used to alleviate osteoarthritis of the knee, and research results are abundant. However, there are no bibliometric reports in publications in this field. Therefore, the current status of PRP for the treatment of osteoarthritis of the knee from 2011 to 2021 was analyzed using Citespace 6.1.R2 software. METHODS Publications regarding PRP treating Knee Osteoarthritis between 2011 and 2021 were extracted from the Web of Science database. CiteSpace was used to analyze the number of publications, countries, institutions, journals, authors, cited references, and keywords by using standard bibliometric indicators. RESULTS A total of 988 publications were searched from 2011 to 2021. In the last decade, the number of publications has increased in the field. Brian J. Cole was the author with the most output, with 31 relevant articles, and Giuseppe Filardo ranked first in cited authors. Am J Sport Med was the most cited journal. In this field, the most prolific country is the United States and the most prolific institution is Rush University. An article published by Sandeep Patel ranked first in cited references with 118 citations. "Randomized controlled trial" was the most bursting keyword and other more popular keywords about PRP for knee osteoarthritis: "hyaluronic acid," "double-blind," and "mesenchymal stem cell." CONCLUSION This bibliometric study provides a decade of current clinical research on PRP for the treatment of osteoarthritis of the knee, which can help researchers understand the hot spots in the field and provide a new direction for their research.
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Affiliation(s)
- Yubo Cui
- Department of Orthopedics, Fuzhou Second Hospital Affiliated to Xiamen University, Fuzhou, Fujian, China
- The Second Clinical Medical College of Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China
| | - Liqiong Lin
- Department of Orthopedics, Fuzhou Second Hospital Affiliated to Xiamen University, Fuzhou, Fujian, China
| | - Zhiwei Wang
- Medical College of Xiamen University, Xiamen, Fujian, China
| | - Kai Wang
- Department of Orthopedics, Fuzhou Second Hospital Affiliated to Xiamen University, Fuzhou, Fujian, China
- The Second Clinical Medical College of Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China
| | - Lili Xiao
- Department of Orthopedics, Fuzhou Second Hospital Affiliated to Xiamen University, Fuzhou, Fujian, China
| | - Wentao Lin
- Department of Orthopedics, Fuzhou Second Hospital Affiliated to Xiamen University, Fuzhou, Fujian, China
| | - Yiyuan Zhang
- Department of Orthopedics, Fuzhou Second Hospital Affiliated to Xiamen University, Fuzhou, Fujian, China
- * Correspondence: Yiyuan Zhang, Department of Orthopedics, Fuzhou Second Hospital Affiliated to Xiamen University, Fuzhou, Fujian 350007, China (e-mail: )
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Optimization of a Plasma Rich in Growth Factors Membrane for the Treatment of Inflammatory Ocular Diseases. Bioengineering (Basel) 2022; 9:bioengineering9100508. [PMID: 36290475 PMCID: PMC9598884 DOI: 10.3390/bioengineering9100508] [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: 08/25/2022] [Revised: 09/20/2022] [Accepted: 09/23/2022] [Indexed: 11/17/2022] Open
Abstract
The main purpose of the present study is to develop an immunosafe fibrin membrane obtained by plasma rich in growth factors technology (is-mPRGF) with improved mechanical properties that could be applied in patients with inflammatory ocular diseases. Blood was drawn from three healthy donors and centrifuged, and the collected PRGF was activated and distributed into two groups: (i) mPRGF: a PRGF membrane maintained at 37 °C for 30 min; (ii) IS5+30: mPRGF incubated at 37 °C for 5 min and then incubated at 56 °C for 30 min. The content of both membranes was analyzed for several growth factors such as IgE and the complement activation, as well as biological activity on different ocular surface cells. Furthermore, the physical and mechanical characterizations were also evaluated. IS5+30 completely reduced the complement activity and decreased the IgE while preserving the concentration of the main growth factors. IS5+30 induced similar biological activity regarding mPRGF on the different ocular surface cells analyzed. Furthermore, no significant differences in release kinetics or fibrin degradation were observed between both membranes. Summarizing, IS5+30 totally reduces complement activity while preserving the concentration of most growth factors and their biological activity. Furthermore, the physical and mechanical properties of the fibrin membrane are preserved after heat inactivation.
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6
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Ullah A, Jawaid SI, Qureshi PNAA, Siddiqui T, Nasim K, Kumar K, Ullah S, Sajjad Cheema M, Kumari N, Elias HA. Effectiveness of Injected Platelet-Rich Plasma in the Treatment of Diabetic Foot Ulcer Disease. Cureus 2022; 14:e28292. [PMID: 36158422 PMCID: PMC9494574 DOI: 10.7759/cureus.28292] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/23/2022] [Indexed: 11/26/2022] Open
Abstract
Objectives Platelet-rich plasma (PRP) has become quite a popular course of treatment and has tremendous healing properties. Our research question inquired about the effectiveness of injected formula of PRP as the cure for diabetic foot ulcer in comparison to the conventional dressing. Methodology A prospective observational study was conducted at the Department of Diabetes and Endocrinology, Lady Reading Hospital, Peshawar, Pakistan, between July 2020 to January 2021. Patients' data were collected from the department's database after taking approval from the department. In our study, the selected patients were categorized into two equal groups - i.e. 80 cases in each group and were randomized by using randomization allocation software. In group I (study group) patients received PRP (1 ml /1 cm2) around the wound edges and in the base of the ulcer, while group II (control group) patients were treated with conventional dressing. Each patient was inspected for wounds on days 0, 14, 28, 90, and 180 on the basis of Wagner's classification of wounds to assess efficacy. A proforma was used to collect the required data and then utilized electronically for research analysis. Results The mean ± SD of age was 54.4±8.56 and 57.7±10.1 years in the injected PRP (study) and conventional dressing (control) groups, respectively. Of the 30 patients, 13 (43.3%) males and 17 (56.7%) females were enrolled in the study group, while 14 (46.7%) males and 16 (53.3%) females were included in the control group. The PRP was found effective in reducing the wound in about 64 (80%) patients, while wound dressing was effective in 37 (46.25%) patients (p<0.0001). In female patients, the wound healing was significantly better in the study group as compared to the control group (p<0.0001). Moreover, in patients aged above 55 years, frequently higher rates of wound reduction were observed in the study group as compared to the control group (p<0.0001). Conclusion The study concluded that injected PRP was significantly better than conventional dressing in the management of diabetic foot ulcer. More clinical trials are necessary to evaluate the effectiveness of injected PRP to validate the current findings.
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7
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The Assessment of the Usefulness of Platelet-Rich Fibrin in the Healing Process Bone Resorption. COATINGS 2022. [DOI: 10.3390/coatings12020247] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The main subject of this research was the use of PRF in dental surgery aimed at preventing changes in alveolar height and width after tooth extraction. Due to the large growth factor content, it seems to be particularly useful in bone loss management starting from the simplest loss occurring after tooth extraction through loss resulting from tooth resection ending with loss caused by large bone cysts. The study was performed on 50 patients. The extraction of two maxillary or mandibular homonymous teeth was carried out in each patient, where PRF was placed in one alveolus while the other alveolus was left empty. Then, the alveoli were surgically managed with a split flap technique. On the extraction day, after 10 days, and after 6 months, the alveolar process was measured, soft tissues healing was assessed, and imaging examinations were analyzed. It was proved that the healing of soft tissues in the PRF group was better. In the PRF group after 6 months from surgery, the newly formed bone had higher grayscale values in volumetric tomography (CBCT). Moreover, the reduced atrophy of the alveolar process at the site of the extracted tooth was proved in this study.
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8
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Yasui Y, Dankert JF, Tonogai I, Mercer NP, Goodale MB, Fortier LA, Kennedy JG. The Effect of Single vs Serial Platelet-Rich Plasma Injections in Osteochondral Lesions Treated With Microfracture: An In Vivo Rabbit Model. Am J Sports Med 2021; 49:3876-3886. [PMID: 34710335 DOI: 10.1177/03635465211052512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Biological adjuvants are used after a musculoskeletal injury to improve healing, decrease inflammation, and restore joint homeostasis. Work on 1 such adjuvant, platelet-rich plasma (PRP), has suggested a positive effect when introduced during cartilage repair. However, it remains unknown whether healing osteochondral injuries benefit from serial PRP injections. PURPOSE To evaluate the effects of serial PRP injections versus a single PRP injection on reparative cartilaginous tissue, subchondral bone remodeling, and the expression of inflammatory cytokines in joint synovium. STUDY DESIGN Controlled laboratory study. METHODS A total of 48 New Zealand White rabbits were randomly assigned to receive 1 (1P), 2 (2P), or 3 (3P) PRP injections. Cylindrical full-thickness cartilage defects (2.9 × 2.9 mm) with microdrillings (0.6-mm diameter) were created on the medial condyles of both knees. PRP was injected into the right knee after closure (groups 1P, 2P, and 3P), at 2 weeks after surgery (groups 2P and 3P), and at 4 weeks after surgery (group 3P). The left knees did not receive any PRP injections. A total of 6 rabbits in each group were euthanized at 3, 6, and 12 weeks postoperatively. Cartilage repair tissue was assessed using the Goebel macroscopic and modified International Cartilage Regeneration & Joint Preservation Society (ICRS) histological scoring systems. Subchondral bone remodeling was evaluated by micro-computed tomography analysis (micro-CT). Inflammatory cytokine levels were assessed by quantitative polymerase chain reaction. RESULTS No significant differences were found for the mean macroscopic score between the PRP groups at 12 weeks (control, 6.1 ± 3.3; group 1P, 3.4 ± 2.7; group 2P, 4.2 ± 2.9; group 3P, 0.7 ± 1.5). All PRP groups had a significantly higher mean modified ICRS histological score compared with the control group, but no significant difference was found among the PRP groups. No significant differences were seen in outcomes for the tested micro-CT parameters or cytokine expression levels. CONCLUSION Serial PRP injections conferred no apparent advantage over single injections according to evaluations of the macroscopic and histological appearance of the cartilaginous tissue, subchondral bone healing, and inflammatory cytokine expression levels in the synovium. CLINICAL RELEVANCE The use of PRP as a biological adjuvant to bone marrow stimulation for osteochondral lesions has the potential to enhance the quality of regenerative cartilaginous tissue. We recommend only a single PRP injection if the use of PRP is indicated by the operating surgeon as an adjuvant therapy for osteochondral lesions.
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Affiliation(s)
- Youichi Yasui
- Department of Orthopaedic Surgery, Teikyo University School of Medicine, Tokyo, Japan
| | - John F Dankert
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York, USA
| | | | - Nathaniel P Mercer
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York, USA
| | - Margaret B Goodale
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, USA
| | - Lisa A Fortier
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, USA
| | - John G Kennedy
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York, USA
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9
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Bosanquet DC, Harding KG. Wound healing: potential therapeutic options. Br J Dermatol 2021; 187:149-158. [PMID: 34726774 DOI: 10.1111/bjd.20772] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/04/2021] [Indexed: 12/22/2022]
Abstract
This review highlights the range of therapeutic options available to clinicians treating difficult-to-heal wounds. While certain treatments are established in daily clinical practice, most therapeutic interventions lack robust and rigorous data regarding their efficacy, which would help to determine when, and for whom, they should be used. The purpose of this review is to give a broad overview of the available interventions, with a brief summary of the evidence base for each intervention.
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Affiliation(s)
- D C Bosanquet
- South East Wales Vascular Network, Aneurin Bevan University Health Board, Royal Gwent Hospital, Cardiff Road, Newport, NP16 2UB, UK
| | - K G Harding
- Clinical Innovation Hub, Cardiff University, Cardiff, CF14 4XN, UK.,Skin Research Institute Singapore (SRIS), Singapore
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10
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Attili AR, Iacoucci C, Serri E, Cuteri V, Cantalamessa A, Linardi M, Rifici C, Mazzullo G, Rossi G, Galosi L, Tambella AM. Antibacterial Properties of Canine Platelet-Rich Plasma and Other Non-Transfusional Hemo-Components: An in vitro Study. Front Vet Sci 2021; 8:746809. [PMID: 34671662 PMCID: PMC8520915 DOI: 10.3389/fvets.2021.746809] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Accepted: 08/26/2021] [Indexed: 01/13/2023] Open
Abstract
This in vitro study was carried out to evaluate the potential antibacterial properties of canine non-transfusional hemo-components. Therapeutic formulations commonly used for regenerative medicine purposes (platelet-rich plasma, platelet gel, platelet lysate, fibrin glue), considering both leukocyte-rich and leukocyte-poor formulations, but also platelet-poor plasma and activating substances (thrombin, calcium gluconate), were tested to detect elements with potential antimicrobial properties. The antibacterial effect was tested on different bacterial strains (Staphylococcus aureus subspecies aureus, Staphylococcus cohnii subspecies cohnii, Escherichia coli, Pseudomonas aeruginosa, and Klebsiella pneumoniae subspecies pneumoniae) isolated from canine wounds and classified as susceptible, multidrug-, extensively, and pandrug-resistant bacteria toward a known panel of human and veterinary antibiotics. The evaluation was carried out by agar gel diffusion method (Kirby-Bauer) and micro-inhibition in broth using microplates and spectrophotometer reading. The study findings confirmed the hypothesized antibacterial properties of canine non-transfusional hemo-components. A more effective bacteriostatic effect was found against Gram-negative bacteria, drug-resistant too. The presence of leukocytes or platelets does not appear to be essential for the antibacterial effect. Further studies should be conducted to evaluate the exact mechanism of action of the antimicrobial activity. However, non-transfusional hemo-components could be a useful natural aid in controlling bacterial infections in dogs.
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Affiliation(s)
- Anna-Rita Attili
- Laboratory of Medical Microbiology and Infectious Diseases, School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, Italy
| | - Cristina Iacoucci
- Laboratory of Medical Microbiology and Infectious Diseases, School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, Italy
| | - Evelina Serri
- Veterinary Teaching Hospital, School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, Italy
| | - Vincenzo Cuteri
- Laboratory of Medical Microbiology and Infectious Diseases, School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, Italy
| | - Andrea Cantalamessa
- Laboratory of Medical Microbiology and Infectious Diseases, School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, Italy
| | - Martina Linardi
- Laboratory of Medical Microbiology and Infectious Diseases, School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, Italy
| | - Claudia Rifici
- Pathology Laboratory, Department of Veterinary Sciences, University of Messina, Messina, Italy
| | - Giuseppe Mazzullo
- Pathology Laboratory, Department of Veterinary Sciences, University of Messina, Messina, Italy
| | - Giacomo Rossi
- Pathology Laboratory, School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, Italy
| | - Livio Galosi
- Pathology Laboratory, School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, Italy
| | - Adolfo Maria Tambella
- Veterinary Teaching Hospital, School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, Italy
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Capion SC, Jørgensen HBL, Ågren MS, Daugaard H, Ribel-Madsen S, Marando D, Johansson PI, Salado J, Halschou-Jensen PM, Borgwardt A, Andersen JR. The wound healing effect of local leukocyte platelet-rich plasma after total hip arthroplasty: A randomized controlled trial. Wound Repair Regen 2021; 29:988-995. [PMID: 34546614 DOI: 10.1111/wrr.12967] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 07/17/2021] [Accepted: 09/02/2021] [Indexed: 12/12/2022]
Abstract
Rapid wound closure is important after arthroplasty procedures to prevent postoperative complications. Platelets are rich in growth factors and leukocytes contribute to innate immunity. We hypothesized that topical leukocyte platelet-rich plasma (L-PRP) derived from the blood of patients would be beneficial to wound healing. In this randomized controlled trial, patients subjected to elective total hip arthroplasty (THA) were assigned by concealed allocation either L-PRP application onto the sutured fascia or no application (control) after the THA intervention. In addition, all patients received 1.5 g protein/kg, 5 g L-arginine, 500 mg vitamin C and 44 mg zinc daily over the 4-week postoperative period to obtain optimal nutrition. The primary endpoint was complete healing of the skin incision. The secondary endpoints were blood transfusions, length of hospital stay, pain and wound infections. Sixteen patients in the L-PRP group and 17 patients in the control group completed the trial. L-PRP treatment accelerated complete wound healing after 3 weeks (seven in the L-PRP group vs. zero in the control group, p = 0.003) and after 4 weeks (12 in the L-PRP group vs. six in the control group, p = 0.037). No postoperative superficial wound infections occurred within 4 weeks, and there were no significant differences in the other secondary outcomes. L-PRP generated in 10 sex-matched healthy volunteers revealed increased concentrations of platelets (5.8-fold) and leukocytes (2.3-fold) compared with those in whole blood. Furthermore, the concentration of keratinocyte mitogen epidermal growth factor in L-PRP (380 ± 130 pg/ml, mean ± SD) was higher (p < 0.001) than that in serum (130 ± 26 pg/ml). In conclusion, a single intraoperative local application of L-PRP promoted wound healing after THA, possibly mediated by EGF receptor agonists.
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Affiliation(s)
- Susanne Clemen Capion
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg, Denmark
| | - Henrietta B L Jørgensen
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg, Denmark
| | - Magnus S Ågren
- Digestive Disease Center, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark.,Department of Dermatology and Copenhagen Wound Healing Center, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark.,Faculty of Health and Medical Sciences, Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Henrik Daugaard
- Department of Orthopaedic Surgery, Bispebjerg and Frederiksberg Hospital, University of Copenhagen, Frederiksberg, Denmark
| | - Søren Ribel-Madsen
- Department of Orthopaedic Surgery, Bispebjerg and Frederiksberg Hospital, University of Copenhagen, Frederiksberg, Denmark
| | - Debora Marando
- Digestive Disease Center, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
| | | | - José Salado
- Blood Bank, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | | | - Arne Borgwardt
- Department of Orthopaedic Surgery, Bispebjerg and Frederiksberg Hospital, University of Copenhagen, Frederiksberg, Denmark
| | - Jens Rikardt Andersen
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg, Denmark
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12
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Liu Y, Zhang Y, Zhang J, Ma J, Bian K, Wang Y, Xu X, Wu S, Cheng K, Zhang Y, Ding Y, Zhou Y, Zhuang R. CD226 Is Required to Maintain Megakaryocytes/Platelets Homeostasis in the Treatment of Knee Osteoarthritis With Platelet-Rich Plasma in Mice. Front Pharmacol 2021; 12:732453. [PMID: 34526904 PMCID: PMC8436152 DOI: 10.3389/fphar.2021.732453] [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: 06/30/2021] [Accepted: 08/17/2021] [Indexed: 11/26/2022] Open
Abstract
Platelet-rich plasma (PRP) is a platelet-based application used to treat osteoarthritis (OA) clinically. The co-stimulatory molecule CD226 is expressed in T cells, NK cells, and also platelets. However, exact effects of CD226 on platelets and whether its expression level influences PRP efficacy are largely unknown. Here, CD226fl/flPF4-Cre mice were obtained from mating CD226 fl/fl mice with PF4-Cre mice. Blood samples and washed platelets were collected from the mice eyeballs to undergo routine blood tests and transmission electron microscopy. Differentially expressed proteins were detected by iTRAQ-based proteomics analysis. Animal OA models were established through surgical destabilization of the medial meniscus (DMM) for C57BL/6 wildtype mice, followed by PRP injection to evaluate the effects of platelet CD226 on PRP efficacy. The results showed that deletion of platelet CD226 increased the number of megakaryocytes (MKs) in bone marrow (BM) but reduced MKs in spleen, combined with significantly decreased platelet amounts, α-granule secretion, and reduced immature platelets; indicating that absence of platelet CD226 may disrupt MK/platelet homeostasis and arrested platelet release from MKs. Sequencing analysis showed abnormal ribosomal functions and much downregulated proteins in the absence of platelet CD226. Autophagy-related proteins were also reduced in the CD226-absent MKs/platelets. Moreover, deletion of platelet CD226 diminished the protective effects of PRP on DMM-induced cartilage lesions in mice, and PDGF restored it. Therefore, deficiency of platelet CD226 inhibited platelet maturation, secretion, and normal ribosomal functions, which may lead to depressed PRP efficacy on OA, suggesting that CD226 is required to regulate platelet growth, functions, and its application.
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Affiliation(s)
- Yongming Liu
- Orthopedic Department of Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Yuan Zhang
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, China
| | - Jinxue Zhang
- Orthopedic Department of Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Jingchang Ma
- Department of Immunology, Fourth Military Medical University, Xi'an, China
| | - Ka Bian
- Otolaryngology Department of Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Yuling Wang
- Department of Immunology, Fourth Military Medical University, Xi'an, China
| | - Xuexue Xu
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, China
| | - Shuwen Wu
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, China
| | - Kun Cheng
- Department of Immunology, Fourth Military Medical University, Xi'an, China
| | - Yun Zhang
- Department of Immunology, Fourth Military Medical University, Xi'an, China
| | - Yong Ding
- Orthopedic Department of Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Yong Zhou
- Orthopedic Department of Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Ran Zhuang
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, China.,Department of Immunology, Fourth Military Medical University, Xi'an, China
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13
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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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14
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Anitua E, de la Sen-Corcuera B, Orive G, Sánchez-Ávila RM, Heredia P, Muruzabal F, Merayo-Lloves J. Progress in the use of plasma rich in growth factors in ophthalmology: from ocular surface to ocular fundus. Expert Opin Biol Ther 2021; 22:31-45. [PMID: 34275392 DOI: 10.1080/14712598.2021.1945030] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Introduction: The use of blood derivatives and especially Plasma rich in growth factors (PRGF), for regenerative purposes has been a common trend along the last decades in the field of oral surgery, dermatology, orthopedics, and more recently in ophthalmology.Areas covered: PRGF is a type of platelet-rich plasma that is being explored for the treatment of ocular injuries. The present review article highlights 50 ophthalmology-related publications about the application of PRGF in the treatment of acute and chronic pathologies in ophthalmology as well as most relevant challenges and future prospects.Expert opinion: PRGF technology provides a wide range of formulations that can be used therapeutically in many different acute and chronic ocular pathologies. In addition to eye drops enriched with autologous growth factors, PRGF enables the preparation of both immunologically safe and fibrin-based formulations. Recent advances in the field have promoted PRGF storage for 12 months under freezing conditions, its daily use for 7 days at room temperature and the freeze-dried formulation. The thermally treated immunosafe formulation has shown promising clinical results for the treatment of several diseases such as Sjögren syndrome, graft versus host disease or cicatrizing conjunctivitis. In addition, several fibrin formulations have been preclinically evaluated and clinically incorporated as an adjuvant to ocular surface or glaucoma surgeries, dermal fat graft procedures, limbal stem cell expansion and retinal surgeries. The present review explores the latest scientific and clinical data, current challenges, and main prospects of this technology for the treatment of several ocular injuries.
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Affiliation(s)
- E Anitua
- Regenerative medicine, Biotechnology Institute (BTI), Vitoria, Spain.,Regenerative medicine, University Institute for Regenerative Medicine and Oral Implantology (UIRMI), Vitoria, Spain
| | - B de la Sen-Corcuera
- Regenerative medicine, Biotechnology Institute (BTI), Vitoria, Spain.,Regenerative medicine, University Institute for Regenerative Medicine and Oral Implantology (UIRMI), Vitoria, Spain
| | - G Orive
- Regenerative medicine, Biotechnology Institute (BTI), Vitoria, Spain.,Regenerative medicine, University Institute for Regenerative Medicine and Oral Implantology (UIRMI), Vitoria, Spain.,NanoBioCel Group, School of Pharmacy, University of the Basque Country (UPV/EHU), Oviedo, Vitoria-Gasteiz, Spain
| | - R M Sánchez-Ávila
- Regenerative medicine, Biotechnology Institute (BTI), Vitoria, Spain
| | - P Heredia
- Regenerative medicine, Biotechnology Institute (BTI), Vitoria, Spain.,Regenerative medicine, University Institute for Regenerative Medicine and Oral Implantology (UIRMI), Vitoria, Spain
| | - F Muruzabal
- Regenerative medicine, Biotechnology Institute (BTI), Vitoria, Spain.,Regenerative medicine, University Institute for Regenerative Medicine and Oral Implantology (UIRMI), Vitoria, Spain
| | - J Merayo-Lloves
- Instituto Universitario Fernández-Vega, Fundación de Investigación Oftalmológica, Universidad de Oviedo, Spain
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15
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Wu M, Karvar M, Liu Q, Orgill DP, Panayi AC. Comparison of Conventional and Platelet-Rich Plasma-Assisted Fat Grafting: A Systematic Review and Meta-analysis. J Plast Reconstr Aesthet Surg 2021; 74:2821-2830. [PMID: 34246590 DOI: 10.1016/j.bjps.2021.05.046] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 03/28/2021] [Accepted: 05/27/2021] [Indexed: 12/30/2022]
Abstract
BACKGROUND Autologous fat grafting (FG) is a popular technique for soft-tissue augmentation, but the fat survival rate is unpredictable. Platelet-rich plasma (PRP) has emerged as an adjuvant to enhance fat graft survival. OBJECTIVES This literature review and meta-analysis aimed to investigate the effect of PRP on the survival rate of fat grafting. METHODS A comprehensive systematic literature search was done to identify clinical studies on PRP and fat cotransplantation in PubMed, Cochrane Library, Web of Science, and EMBASE databases up to May 2020. The reference lists of selected articles were reviewed to identify any additional related articles. A meta-analysis was conducted to compare PRP + FG and conventional FG in terms of fat graft survival rate, patient satisfaction rate, and recovery time after surgery. RESULTS Eleven studies consisting of 1125 patients were analyzed. Patients were followed up from 3 to 24 months post-FG. The fat survival rate varied from 20.5% to 54.8% in FG alone and from 24.1% to 89.2% in the PRP + FG groups. The survival rate was significantly higher and recovery time was significantly lower in the PRP + FG group than in the FG alone group. However, there was no significant difference in the patient satisfaction rate between the groups. CONCLUSIONS This study demonstrates that PRP-enhanced fat transplantation has better efficacy than conventional fat grafting. Further studies are required to provide the optimum concentration of PRP and the long-term efficacy of the technique. There is not enough evidence to compare the rate of complications with PRP and fat cotransplantation and conventional fat grafting.
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Affiliation(s)
- Mengfan Wu
- Division of Plastic Surgery, Department of Surgery, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA; Department of Plastic Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong, 518036, P. R. China
| | - Mehran Karvar
- Division of Plastic Surgery, Department of Surgery, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Qinxin Liu
- Division of Plastic Surgery, Department of Surgery, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA; Department of Traumatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, P. R. China
| | - Dennis P Orgill
- Division of Plastic Surgery, Department of Surgery, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Adriana C Panayi
- Division of Plastic Surgery, Department of Surgery, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA.
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16
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Abstract
Wound healing is a dynamic and physiological process for restoring the normal architecture and functionality of damaged tissue. Platelet-rich plasma (PRP) is an autologous whole blood product that contains a large number of platelets in a small volume of plasma with complete set of coagulation factors, which are in physiological concentrations. PRP has haemostatic, adhesive properties and acts supraphysiologically in the process of wound healing and osteogenesis. Platelets play a very important role in the wound healing process by providing growth factors that enhance the rate and quality of wound healing by many different mechanisms. The aim of this review is to describe: the biology of platelets and their role in the wound healing process, the terminology of platelet rich products, PRP preparation, activation and concentration of PRP, as well as the use of PRP in plastic surgery.
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17
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Autologous Platelet-Rich Fibrin (PRF) as an Adjunct in the Management of Osteoradionecrosis and Medication-Related Osteonecrosis of Jaws. Case Series in A Single Centre. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11083365] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Osteoradionecrosis (ORN) of the jaws and medication-related osteonecrosis of the jaws (MRONJ) are uncommon but serious diseases affecting the oral and maxillofacial region with clinically similar appearance but distinct pathophysiology. Management of ORN and MRONJ is inherently challenging and the treatment outcomes are unpredictable. The use of autologous platelet concentrates (APCs) to promote hard and soft tissue healing is well described in the literature, and the efficacy of leucocyte and platelet-rich fibrin (L-PRF) has been well documented in a number of clinical studies. The aim of this study was to present our treatment strategy and the outcomes of incorporating L-PRF as a surgical adjunct in management of ORN and MRONJ in our centre. Methods: eight cases of ORN and MRONJ were treated with a combination of sequestrectomy and L-PRF as a surgical adjunct. Results: the overall success was 87.5%. Using L-PRF as an adjunct, we were able to predictably manage ORN and MRONJ without causing significant morbidity. Conclusion: our experience shows that L-PRF may be used as a valuable and cost-effective adjunct to surgical management of ORN and MRONJ. However, due to a limited number of patients, and a short period of review, the true effectiveness of the method is yet to be demonstrated in a longer follow-up study including a greater number of patients, besides the inclusion of a control group.
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18
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Magalon J, Brandin T, Francois P, Degioanni C, De Maria L, Grimaud F, Veran J, Dignat-George F, Sabatier F. Technical and biological review of authorized medical devices for platelets-rich plasma preparation in the field of regenerative medicine. Platelets 2020; 32:200-208. [PMID: 33155867 DOI: 10.1080/09537104.2020.1832653] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Platelet-rich plasma (PRP) has seen increased interest and utilization over the past decade, particularly in the field of musculoskeletal disease. This growth has been accompanied by the development of medical devices to realize PRP preparation which includes blood collection, centrifugation, and PRP isolation. The final PRP composition is directly influenced by this preparation step and absence of biological quality control led to a lack of comparability between PRP products that could explain the large variability in the clinical benefit of PRP reported in literature. To circumvent this issue, the scientific community developed different PRP classifications but none of them have been adopted. The goal of this review is to furnish both technical and biological characteristics from PRP commercial systems. On review of 1379 studies, 105 studies were selected according to inclusion criteria for technical analysis and led to the identification of 50 commercial systems that have been classified in three technical categories based on the blood harvesting technique (tubes, syringes or bags). Twelve studies were selected and sufficiently describe biological characteristics from only 14 commercial systems from the 50 identified in the technical analysis. Inclusion of duplicates characterization from a same PRP system lead to the final analysis of 36 PRP preparations that met the inclusion criteria of the biological analysis. All these PRP preparations have been classified among the seven existing classifications. Comparison from all biological parameters and classifications revealed a large heterogeneity among the available current PRP commercial systems. Index of biological sensitivity of classifications to distinguish PRP preparations were also variable. Although these findings should help clinicians in selecting a system that meets their specific needs, this also raises the question to standardize the parameters to biologically define PRP preparation among users and to systematically performed PRP qualification when used.
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Affiliation(s)
- Jeremy Magalon
- Cell Therapy Laboratory, Hôpital De La Conception, AP-HM, Marseille, France.,INSERM, INRA, C2VN, Aix Marseille Univ, Marseille, France.,SAS Remedex, Marseille, France
| | - Thibault Brandin
- Cell Therapy Laboratory, Hôpital De La Conception, AP-HM, Marseille, France
| | - Pauline Francois
- Cell Therapy Laboratory, Hôpital De La Conception, AP-HM, Marseille, France.,INSERM, INRA, C2VN, Aix Marseille Univ, Marseille, France
| | - Clara Degioanni
- Cell Therapy Laboratory, Hôpital De La Conception, AP-HM, Marseille, France
| | - Lucille De Maria
- Cell Therapy Laboratory, Hôpital De La Conception, AP-HM, Marseille, France
| | - Fanny Grimaud
- Cell Therapy Laboratory, Hôpital De La Conception, AP-HM, Marseille, France
| | - Julie Veran
- Cell Therapy Laboratory, Hôpital De La Conception, AP-HM, Marseille, France
| | | | - Florence Sabatier
- Cell Therapy Laboratory, Hôpital De La Conception, AP-HM, Marseille, France.,INSERM, INRA, C2VN, Aix Marseille Univ, Marseille, France.,SAS Remedex, Marseille, France
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19
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Perinelli DR, Bonacucina G, Pucciarelli S, Cespi M, Serri E, Polzonetti V, Tambella AM, Vincenzetti S. Rheological Properties and Growth Factors Content of Platelet-Rich Plasma: Relevance in Veterinary Biomedical Treatments. Biomedicines 2020; 8:biomedicines8100429. [PMID: 33081006 PMCID: PMC7603199 DOI: 10.3390/biomedicines8100429] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/13/2020] [Accepted: 10/15/2020] [Indexed: 12/18/2022] Open
Abstract
Platelet-rich plasma (PRP) is a nontransfusional hemocomponent, considered as a powerful concentrate of growth factors (GFs) therapeutically used to stimulate tissue regeneration. The use of autologous PRP, as the patient’s own biological material, for therapeutic purposes represents a safe and effective alternative to conventional treatments in both human and veterinary medicine. The aim of this study was the characterization of canine PRP from rheological and biological points of view. Thus, a characterization of the viscoelastic properties of the PRP systems was performed in order to clarify the influence of different calcium concentrations, in the presence of autologous thrombin-rich solution, on the PRP gels’ mechanical properties, from which the applicability of these systems in biomedical treatments is strongly dependent. Then, an evaluation of the content of GFs in PRP, activated or not with thrombin, and stored at different temperatures (37 °C and −20 °C) was performed over time, outlining, for the first time, the importance of the effect of physiological temperature (37 °C) on the production of GFs. A clinical case study conducted in a dog with a complete rupture of the common calcaneal tendon (Achilles tendon) confirmed the relevance of this hemocomponent in the daily veterinary clinical activity and the potential translational value for human health.
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Affiliation(s)
- Diego Romano Perinelli
- School of Pharmacy, University of Camerino, 62032 Camerino (MC), Italy; (D.R.P.); (G.B.); (M.C.)
| | - Giulia Bonacucina
- School of Pharmacy, University of Camerino, 62032 Camerino (MC), Italy; (D.R.P.); (G.B.); (M.C.)
| | - Stefania Pucciarelli
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino (MC), Italy; (S.P.); (E.S.); (V.P.); (S.V.)
| | - Marco Cespi
- School of Pharmacy, University of Camerino, 62032 Camerino (MC), Italy; (D.R.P.); (G.B.); (M.C.)
| | - Evelina Serri
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino (MC), Italy; (S.P.); (E.S.); (V.P.); (S.V.)
| | - Valeria Polzonetti
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino (MC), Italy; (S.P.); (E.S.); (V.P.); (S.V.)
| | - Adolfo Maria Tambella
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino (MC), Italy; (S.P.); (E.S.); (V.P.); (S.V.)
- Correspondence: ; Tel.: +39-0737-403417
| | - Silvia Vincenzetti
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino (MC), Italy; (S.P.); (E.S.); (V.P.); (S.V.)
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20
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Otahal A, Kramer K, Kuten-Pella O, Weiss R, Stotter C, Lacza Z, Weber V, Nehrer S, De Luna A. Characterization and Chondroprotective Effects of Extracellular Vesicles From Plasma- and Serum-Based Autologous Blood-Derived Products for Osteoarthritis Therapy. Front Bioeng Biotechnol 2020; 8:584050. [PMID: 33102466 PMCID: PMC7546339 DOI: 10.3389/fbioe.2020.584050] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 08/31/2020] [Indexed: 12/11/2022] Open
Abstract
Autologous blood products gain increasing interest in the field of regenerative medicine as well as in orthopedics, aesthetic surgery, and cosmetics. Currently, citrate-anticoagulated platelet-rich plasma (CPRP) preparations are often applied in osteoarthritis (OA), but more physiological and cell-free alternatives such as hyperacute serum (hypACT) are under development. Besides growth factors, blood products also bring along extracellular vesicles (EVs) packed with signal molecules, which open up a new level of complexity at evaluating the functional spectrum of blood products. Large proportions of EVs originated from platelets in CPRP and hypACT, whereas very low erythrocyte and monocyte-derived EVs were detected via flow cytometry. EV treatment of chondrocytes enhanced the expression of anabolic markers type II collagen, SRY-box transcription factor 9 (SOX9), and aggrecan compared to full blood products, but also the catabolic marker and tissue remodeling factor matrix metalloproteinase 3, whereas hypACT EVs prevented type I collagen expression. CPRP blood product increased SOX9 protein expression, in contrast to hypACT blood product. However, hypACT EVs induced SOX9 protein expression while preventing interleukin-6 secretion. The results indicate that blood EVs are sufficient to induce chondrogenic gene expression changes in OA chondrocytes, while preventing proinflammatory cytokine release compared to full blood product. This highlights the potential of autologous blood-derived EVs as regulators of cartilage extracellular matrix metabolism and inflammation, as well as candidates for new cell-free therapeutic approaches for OA.
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Affiliation(s)
- Alexander Otahal
- Center for Regenerative Medicine, Department for Health Sciences, Medicine and Research, Danube University Krems, Krems an der Donau, Austria
| | - Karina Kramer
- Center for Regenerative Medicine, Department for Health Sciences, Medicine and Research, Danube University Krems, Krems an der Donau, Austria
| | - Olga Kuten-Pella
- Center for Regenerative Medicine, Department for Health Sciences, Medicine and Research, Danube University Krems, Krems an der Donau, Austria.,OrthoSera GmbH, Krems an der Donau, Austria
| | - René Weiss
- Center for Biomedical Technology, Department for Biomedical Research, Danube University Krems, Krems an der Donau, Austria
| | - Christoph Stotter
- Center for Regenerative Medicine, Department for Health Sciences, Medicine and Research, Danube University Krems, Krems an der Donau, Austria
| | - Zsombor Lacza
- Deptartment Sports Physiology, University of Physical Education, Budapest, Hungary
| | - Viktoria Weber
- Center for Biomedical Technology, Department for Biomedical Research, Danube University Krems, Krems an der Donau, Austria
| | - Stefan Nehrer
- Center for Regenerative Medicine, Department for Health Sciences, Medicine and Research, Danube University Krems, Krems an der Donau, Austria
| | - Andrea De Luna
- Center for Regenerative Medicine, Department for Health Sciences, Medicine and Research, Danube University Krems, Krems an der Donau, Austria
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21
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Raeissadat SA, Gharooee Ahangar A, Rayegani SM, Minator Sajjadi M, Ebrahimpour A, Yavari P. Platelet-Rich Plasma-Derived Growth Factor vs Hyaluronic Acid Injection in the Individuals with Knee Osteoarthritis: A One Year Randomized Clinical Trial. J Pain Res 2020; 13:1699-1711. [PMID: 32753945 PMCID: PMC7354951 DOI: 10.2147/jpr.s210715] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 05/27/2020] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVE In this study, we aimed at performing a comparison between intra-articular injections of PRP-derived growth factor (PGRF) and hyaluronic acid regarding their effect on pain and patient's function in knee osteoarthritis, as well as their safety profiles. METHODS During our single-masked randomized clinical trial, the candidates with symptomatic knee osteoarthritis received two intra-articular injections of PRGF with 3 weeks apart or received three weekly injections of HA. The mean improvements from before treatment until the second, sixth, and twelfth months post-intervention in scores obtained by visual analog scale (VAS), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and Lequesne index were our primary outcomes. RESULTS A total of 102 candidates were finally included in the study. Patients' mean age was 57.08±7.3 years old in the PRGF group compared to the mean age of 58.63±7.09 years old in HA patients. In the PRGF group, total WOMAC index decreased from 41.96±11.71 to 27.10±12.3 (P = 0.02), and from 39.71±10.4 to 32.41±11.8 in the HA group after 12 months (P > 0.05). Regarding the Lequesne index, pain, ADL, and global scores significantly decreased after 12 months in the PRGF group compared to the HA group (P<0.001). There was also a meaningful higher rate of satisfaction in the PRGF group compared to the HA group after 12 months of treatment (P<0.001). CONCLUSION Besides significantly higher satisfaction belonging to the PRGF group, there was a statistically significant improvement in VAS score and global, pain, and ADL score of Lequesne by passing 12 months from injection in PRGF compared to HA.
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Affiliation(s)
- Seyed Ahmad Raeissadat
- Physical Medicine and Rehabilitation Research Center, Clinical Research Development Center of Shahid Modarres Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Seyed Mansoor Rayegani
- Physical Medicine and Rehabilitation Research Center, Clinical Research Development Center of Shahid Modarres Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Adel Ebrahimpour
- Taleghani Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Pegah Yavari
- Physical Medicine and Rehabilitation Research Center, Clinical Research Development Center of Shahid Modarres Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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22
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Chou TM, Chang HP, Wang JC. Autologous platelet concentrates in maxillofacial regenerative therapy. Kaohsiung J Med Sci 2020; 36:305-310. [PMID: 32052598 DOI: 10.1002/kjm2.12192] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 01/19/2020] [Indexed: 01/23/2023] Open
Abstract
Platelet concentrates have emerged as innovative autologous blood products that enhance tissue healing and regeneration in regenerative therapy. A common feature of these products is their higher than baseline platelet concentration, which improves wound healing and tissue repair. Four main categories of products can be easily defined, based on their leukocyte content and fibrin architecture: pure platelet-rich plasma, such as Cell Separator PRP or Anitua' PRGF; leukocyte- and platelet-rich plasma (L-PRP), such as PCCS or Ace PRP; pure platelet-rich fibrin (P-PRF), such as Fibrinet PRFM; and leukocyte- and platelet-rich fibrin (L-PRF), such as Choukroun's PRF. Two families contain significant concentrations of leukocytes: L-PRP and L-PRF. These four families of products have different biological signatures and mechanisms and obviously different clinical applications. An L-PRF membrane releases growth factors and matrix proteins over a period longer than 7 days, whereas a PRP gel matrix releases and disperses its growth factors in a relatively quick download. In the near future, simple and inexpensive products such as L-PRF are expected to have applications in oral-maxillofacial surgery, periodontal surgery, plastic surgery, orthopedic surgery, and sports medicine. Leukocytes substantially affect the intrinsic biology and properties of platelet concentrates, not only because they enhance immune function and antibacterial potential, but also because they have essential roles in the wound healing process. Unfortunately, their impact has been almost completely neglected in the literature. Improved understanding of the effects of leukocytes in wound healing is essential for development of new clinical applications of platelet concentrates.
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Affiliation(s)
- Tsau-Mau Chou
- School of Dentistry and Graduate Program of Dental Science, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Hong-Po Chang
- School of Dentistry and Graduate Program of Dental Science, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Dentistry, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung, Taiwan
| | - Jen-Chyan Wang
- School of Dentistry and Graduate Program of Dental Science, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
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Freire MRDM, da Silva PMC, Azevedo AR, Silva DS, da Silva RBB, Cardoso JC. Comparative Effect between Infiltration of Platelet-rich Plasma and the Use of Corticosteroids in the Treatment of Knee Osteoarthritis: A Prospective and Randomized Clinical Trial. Rev Bras Ortop 2020; 55:551-556. [PMID: 33093718 PMCID: PMC7575359 DOI: 10.1016/j.rbo.2018.01.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Accepted: 01/04/2018] [Indexed: 11/16/2022] Open
Abstract
Objectives
This study aimed to analyze the efficacy of platelet-rich plasma obtained from the peripheral, autologous blood of the patients in pain complaints reduction and functional improvement of knee osteoarthritis compared with the standard treatment with injectable corticosteroid, such as triamcinolone.
Methods
The patients were followed-up clinically at the preinfiltrative visit, with quantitative evaluation using the Knee Society Score (KSS), the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score, and the Kellgren and Lawrence scales. In addition, they were reevaluated with the same scales after 1 month and 6 months of intervention with 2.5 mL of triamcinolone acetate or 5 mL of platelet-rich plasma. The study was performed on 50 patients with knee osteoarthritis treated at the Medical Specialty Center and randomly divided into equivalent samples for each therapy.
Results
The present study verified the reduction of pain scores, such as the WOMAC score, and elevations of functional scales, such as the KSS, evidenced in 180 days when using platelet-rich plasma, a therapy that uses the autologous blood of the patient and has fewer side effects.
Conclusion
Although both platelet-rich plasma and corticosteroid therapies have been shown to be effective in the reduction pain complaints and functional recovery, there was a statistically significant difference between them at 180 days. According to the results obtained, platelet-rich plasma presented longer-lasting effects within 180 days in the treatment of knee osteoarthritis.
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Affiliation(s)
| | | | - Arthur Rangel Azevedo
- Instituto de Assistência Médica ao Servidor Público Estadual de São Paulo (Iamspe), São Paulo, SP, Brazil
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Mao G, Zhang G, Fan W. Platelet-Rich Plasma for Treating Androgenic Alopecia: A Systematic Review. Aesthetic Plast Surg 2019; 43:1326-1336. [PMID: 31187167 DOI: 10.1007/s00266-019-01391-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 04/29/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Platelet-rich plasma (PRP) contains a variety of growth factors and proteins that can accelerate tissue repair. Androgenic alopecia is a genetic disorder characterized by atrophy of hair follicles and hair loss. At present, PRP injections for hair restoration have become a popular though controversial practice. We conducted a meta-analysis to compare the differences between patients treated with local injections of PRP and control group subjects to explore the effectiveness of PRP treatment for androgenic alopecia. MATERIALS AND METHODS We searched PubMed, EMBASE and the Cochrane Library until Jan 2019 for human studies evaluating the efficacy of PRP for the treatment of androgenic alopecia. RESULTS We retrieved 132 papers; 11 articles matched our inclusion criteria and comprised 262 androgenic alopecia patients. Through a meta-analysis, we found a significantly locally increased hair number per cm2 after PRP injections in the treatment group versus the control group (mean difference 38.75, 95% CI 22.22-55.28, P < .00001). Similarly, a significantly increased terminal hair density was found in the PRP group compared with the control group (mean difference 22.83, 95% CI 0.28-45.38, P = 0.05). CONCLUSION Most studies suggest that subcutaneous injection of PRP is likely to reduce hair loss, increase hair diameter and density in patients with androgenic alopecia. Because of the low quality of the studies, small sample sizes, different treatment regimens and possible publication bias, the results of this meta-analysis should be interpreted with caution. Furthermore, more randomized controlled studies should be performed. LEVEL OF EVIDENCE III This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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Tavassoli M, Janmohammadi N, Hosseini A, Khafri S, Esmaeilnejad-Ganji SM. Single- and double-dose of platelet-rich plasma versus hyaluronic acid for treatment of knee osteoarthritis: A randomized controlled trial. World J Orthop 2019; 10:310-326. [PMID: 31572668 PMCID: PMC6766465 DOI: 10.5312/wjo.v10.i9.310] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 05/10/2019] [Accepted: 08/13/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Platelet-rich plasma (PRP) and hyaluronic acid have been shown to be useful in the treatment of knee osteoarthritis. However, investigations comparing the efficacy of these two drugs together are insufficient.
AIM To compare the outcomes of PRP vs hyaluronic acid injections in three groups of patients with bilateral knee osteoarthritis.
METHODS This randomized controlled trial study involved 95 patients. Thirty-one subjects received a single injection of PRP (group PRP-1), 33 subjects received two injections of PRP at an interval of 3 wk (group PRP-2) and 31 subjects received three injections of hyaluronic acid at 1-wk intervals (group hyaluronic acid). The patients were investigated prospectively at the enrollment and at 4-, 8- and 12-wk follow-up with the Western Ontario and McMaster Universities Arthritis Index (WOMAC) and Visual Analogue Scale questionnaires.
RESULTS Percentages of patients experiencing at least a 30% decrease in the total score for the WOMAC pain subscale from baseline to wk 12 of the intervention were 86%, 100% and 0% in the groups PRP-1, PRP-2 and hyaluronic acid, respectively (P < 0.001). The mean total WOMAC scores for groups PRP-1, PRP-2 and hyaluronic acid at baseline were 63.71, 61.57 and 63.11, respectively. The WOMAC scores were significantly improved at final follow-up to 42.5, 35.32 and 57.26, respectively. The highest efficacy of PRP was observed in both groups at wk 4 with about 50% decrease in the symptoms compared with about 25% decrease for hyaluronic acid. Group PRP-2 had higher efficacy than group PRP-1. No major adverse effects were found during the study.
CONCLUSION PRP is a safe and efficient therapeutic option for treatment of knee osteoarthritis. It was demonstrated to be significantly better than hyaluronic acid. We also found that the efficacy of PRP increases after multiple injections.
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Affiliation(s)
- Mehdi Tavassoli
- Student Research Committee, School of Medicine, Babol University of Medical Sciences, Babol 47176-47745, Iran
| | - Nasser Janmohammadi
- Department of Orthopedics, Babol University of Medical Sciences, Babol 47176-47745, Iran
| | - Akram Hosseini
- Department of Pathology, Faculty of Medicine, Babol University of Medical Sciences, Babol 47176-47745, Iran
| | - Soraya Khafri
- Biostatistics and Epidemiology Department, Medicine Faculty, Babol University of Medical Sciences, Babol 47176-47745, Iran
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Karr JC. Calcium Sulfate/Calcium Phosphate Bone Void Filler in the Treatment of Bilateral Adolescent Unicameral Calcaneal Bone Cysts: 36-Month Follow-Up. J Am Podiatr Med Assoc 2019; 109:379-388. [PMID: 31599669 DOI: 10.7547/17-020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A 36-month follow-up of the management of bilateral adolescent unicameral bone cysts in a high school gymnast treated with a calcium sulfate/calcium phosphate (CSCP) bone void filler (BVF) is presented. The more developed left calcaneal cyst was managed with a traditional, open approach consisting of allogenic bone graft, CSCP BVF mixed with platelet-rich plasma. The less developed right calcaneal cyst was managed with a less used approach, a percutaneous bone cortex incision with only the CSCP BVF. The rationale for the selection between the open and percutaneous approaches, long-term BVF incorporation, and positive patient outcome allowing a quick return to athletics are presented.
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Affiliation(s)
- Jeffrey C. Karr
- Karr Foot and Leg Center, 5421 S Florida Ave, Lakeland, FL 33813. (E-mail: )
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Ozer K, Kankaya Y, Colak O, Kocer U. The Impact of Duration and Force of Centrifugation on Platelet Content and Mass in the Preparation of Platelet-Rich Plasma. Aesthetic Plast Surg 2019; 43:1078-1084. [PMID: 30989277 DOI: 10.1007/s00266-019-01375-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Accepted: 04/04/2019] [Indexed: 12/14/2022]
Abstract
PURPOSE Platelet-rich plasma (PRP) is an autologous prepared plasma enriched with platelets and obtained after a centrifugal separation and aggregation procedure. However, the optimized preparation protocol for PRP is still controversial and there are no standardized preparation protocols. The aim of this study is to show the effect of time and force of the centrifugation on the concentrations of platelets and to optimize the effective PRP preparation protocol. METHODS For the study, whole blood was drawn into 24 different 6-ml standard tubes containing 0.6 ml anticoagulant citrate dextrose solution-formula A. The samples were centrifuged separately at forces of 45×g, 180×g, 400×g, 725×g, 1130×g and 1630×g for 5, 10, 15 and 20 min. Every sample was analyzed, and a comparison was made between all groups. RESULTS No significant difference was observed in terms of platelet concentration, mean platelet volume or platelet mass between all groups (p > 0.05). The mean ± SD of platelet mass in baseline is 1890 ± 134 × 103 fL/μL. The mean ± SD of platelet mass in the high centrifugal force of 1630×g was 3395 ± 564 × 103 fL/μL, 2638 ± 425 × 103 fL/μL, 2355 ± 449 × 103 fL/μL and 2109 ± 41 × 103 fL/μL over times of 5, 10, 15 and 20 min, respectively. The mean ± SD of platelet mass in the low centrifugal force of 45×g was 2002 ± 1623 × 103 fL/μL, 2491 ± 1591 × 103 fL/μL, 2611 ± 876 × 103 fL/μL and 3003 ± 511 × 103/μL over times of 5, 10, 15 and 20 min, respectively. CONCLUSIONS Platelets should be evaluated with platelet mass not including platelet concentrations alone, but also with mean platelet volume, which symbolizes the size of platelets while comparing platelet-rich plasma preparation protocols and kits. This could be a new starting point for comparison of PRP for all applications in the literature. All centrifugation forces and times could produce biologically reactive PRP. It may be only suggested that if high acceleration force is used, low durations should be selected, or if low acceleration force is used, long time of centrifugation should be selected. NO LEVEL ASSIGNED This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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Johal H, Khan M, Yung SHP, Dhillon MS, Fu FH, Bedi A, Bhandari M. Impact of Platelet-Rich Plasma Use on Pain in Orthopaedic Surgery: A Systematic Review and Meta-analysis. Sports Health 2019; 11:355-366. [PMID: 31136726 DOI: 10.1177/1941738119834972] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
CONTEXT Amid extensive debate, evidence surrounding the use of platelet-rich plasma (PRP) for musculoskeletal injuries has rapidly proliferated, and an overall assessment of efficacy of PRP across orthopaedic indications is required. OBJECTIVES (1) Does PRP improve patient-reported pain in musculoskeletal conditions? and (2) Do PRP characteristics influence its treatment effect? DATA SOURCES MEDLINE, EMBASE, Cochrane, CINAHL, SPORTDiscus, and Web of Science libraries were searched through February 8, 2017. Additional studies were identified from reviews, trial registries, and recent conferences. STUDY SELECTION All English-language randomized trials comparing platelet-rich therapy with a control in patients 18 years or older with musculoskeletal bone, cartilage, or soft tissue injuries treated either conservatively or surgically were included. Substudies of previously reported trials or abstracts and conference proceedings that lacked sufficient information to generate estimates of effect for the primary outcome were excluded. STUDY DESIGN Systematic review and meta-analysis. LEVEL OF EVIDENCE Level 1. DATA EXTRACTION All data were reviewed and extracted independently by 3 reviewers. Agreement was high between reviewers with regard to included studies. RESULTS A total of 78 randomized controlled trials (5308 patients) were included. A standardized mean difference (SMD) of 0.5 was established as the minimum for a clinically significant reduction in pain. A reduction in pain was associated with PRP at 3 months (SMD, -0.34; 95% CI, -0.48 to -0.20) and sustained until 1 year (SMD, -0.60; 95% CI, -0.81 to -0.39). Low- to moderate-quality evidence supports a reduction in pain for lateral epicondylitis (SMD, -0.69; 95% CI, -1.15 to -0.23) and knee osteoarthritis (SMD, -0.91; 95% CI, -1.41 to -0.41) at 1 year. PRP characteristics did not influence results. CONCLUSION PRP leads to a reduction in pain; however, evidence for clinically significant efficacy is limited. Available evidence supports the use of PRP in the management of lateral epicondylitis as well as knee osteoarthritis.
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Affiliation(s)
- Herman Johal
- Center for Evidence-Based Orthopaedics, Division of Orthopaedic Surgery, McMaster University, Hamilton, Ontario, Canada
| | - Moin Khan
- Center for Evidence-Based Orthopaedics, Division of Orthopaedic Surgery, McMaster University, Hamilton, Ontario, Canada
| | - Shu-Hang Patrick Yung
- Hong Kong Centre for Sports Medicine and Sports Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, People's Republic of China
| | - Mandeep S Dhillon
- Department of Orthopaedics, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Freddie H Fu
- Department of Orthopaedic Surgery, University of Pittsburgh Schools of the Health Sciences, UPMC Center for Sports Medicine, Pittsburgh, Pennsylvania
| | - Asheesh Bedi
- Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, Michigan
| | - Mohit Bhandari
- Center for Evidence-Based Orthopaedics, Division of Orthopaedic Surgery, McMaster University, Hamilton, Ontario, Canada
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Jeong E, Yoo IK, Cakir OO, Kim HK, Kim WH, Hong SP, Cho JY. Effectiveness of Autologous Platelet-Rich Plasma for the Healing of Ulcers after Endoscopic Submucosal Dissection. Clin Endosc 2019; 52:472-478. [PMID: 31096727 PMCID: PMC6785406 DOI: 10.5946/ce.2018.152] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 01/17/2019] [Indexed: 12/28/2022] Open
Abstract
Background/Aims Platelet-rich plasma (PRP) has been used for wound healing in various medical fields. The aim of this study was to evaluate the clinical efficacy and safety of local PRP injections after endoscopic submucosal dissection (ESD).
Methods Patients were non-randomly divided into the following two groups: (1) control group in which patients were administered only an intravenous proton pump inhibitor (PPI), and (2) a study group in which patients were administered an intravenous PPI and a topical PRP injection. We assessed the reduction in the ulcer area and stage of the ulcer after the procedure (24 hours, 48 hours, and 28 days after endoscopic surgery).
Results We enrolled 7 study and 7 control patients. In the study group, the rate of ulcer reduction was 59% compared to 52% in the control group (p=0.372), 28 days after ESD. There were 5 patients in the S stage and 2 patients in the H stage in the study group compared to no patient in the S stage and 7 patients in the H stage in the control group (p=0.05), 28 days after ESD. There were no serious complications in either group.
Conclusions The local injection of PRP is a safe and effective procedure for ulcer healing after ESD.
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Affiliation(s)
- Eunju Jeong
- Digestive Disease Center, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - In Kyung Yoo
- Digestive Disease Center, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Ozlem Ozer Cakir
- Alanya Alaaddin Keykubat University, School of Medicine Department of Gastroenterology and Hepatology, Antalya, Turkey
| | - Hee Kyung Kim
- Digestive Disease Center, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Won Hee Kim
- Digestive Disease Center, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Sung Pyo Hong
- Digestive Disease Center, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Joo Young Cho
- Digestive Disease Center, CHA Bundang Medical Center, CHA University, Seongnam, Korea
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Fadadu PP, Mazzola AJ, Hunter CW, Davis TT. Review of concentration yields in commercially available platelet-rich plasma (PRP) systems: a call for PRP standardization. Reg Anesth Pain Med 2019; 44:rapm-2018-100356. [PMID: 30992411 DOI: 10.1136/rapm-2018-100356] [Citation(s) in RCA: 140] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Revised: 02/14/2019] [Accepted: 03/06/2019] [Indexed: 11/04/2022]
Abstract
Platelet-rich plasma (PRP) has become increasingly popular in pain medicine with hopes of becoming a safe, effective alternative to routine treatments. However, given its autologous nature, PRP injectate may differ depending on the specific manufacturer and protocol. Currently, there is no standardization of reporting protocol. This systematic review compiles and standardizes values on PRP preparation and final product composition of platelets, white cell count, and growth factors for ease of comparison. On review of 876 studies, 13 studies were selected according to our inclusion criteria. Data from 33 PRP systems and protocols were extracted and standardized. Overall, PRP final product concentrations as well as PRP preparation protocols varied widely between systems. However, platelet concentration was directly correlated with both volume of blood collected and device centrifugal force. In conclusion, there is a large heterogeneity between PRP separation systems that must be resolved for proper study of this promising treatment.
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Affiliation(s)
- Priyal P Fadadu
- Mayo Clinic Alix School of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Corey W Hunter
- Icahn School of Medicine, Mount Sinai, New York, New York, USA
- Ainsworth Institute of Pain Management, New York, New York, USA
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31
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Batas L, Tsalikis L, Stavropoulos A. PRGF as adjunct to DBB in maxillary sinus floor augmentation: histological results of a pilot split-mouth study. Int J Implant Dent 2019; 5:14. [PMID: 30931490 PMCID: PMC6441666 DOI: 10.1186/s40729-019-0166-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 02/05/2019] [Indexed: 02/07/2023] Open
Abstract
Background Various technologies of autologous blood concentrates are currently evaluated for their potential to enhance bone formation. Aim To report on the histological outcome of maxillary sinus floor augmentation (MSFA) with deproteinized bovine bone (DBB) in combination with chair-side prepared autologous platelet-rich growth factor (PRGF), in comparison to that with DBB alone. Materials and methods Six partially edentulous patients with ≤ 3-mm residual bone height bilaterally in the posterior maxilla were subjected to MSFA with the lateral window technique, using DBB in combination with PRGF (PRGF System1 Vitoria, Spain) on one side or DBB alone on the contralateral side. Cylindrical biopsies from the augmented sinuses were collected during implant installation, ca. 6 months post-MSFA, and subjected to non-decalcified histological and histomorphometric evaluation. Results The collected biopsies varied in length (range 3.5–9.9 mm); consequently, the portion of the biopsy representing augmented tissues also varied (range 2.3–14.6 mm2). New bone formation with a trabecular appearance and numerous DBB particles in contact with the new bone or with loose connective tissue were observed. No differences in the relative volumes of bone formation were found in sinuses augmented with DBB + PRGF or DBB alone 6 months after MSFA (35.6 ± 8.26 mm and 37.8 ± 3.15 mm, respectively). Conclusion and clinical implications In conclusion, based on these preliminary results, PRGF as adjunct to DBB for MSFA, except from improved handling during the operation, does not appear to enhance nor interfere with bone formation inside the human sinus 6 months after MSFA, compared with the use of DBB alone.
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Affiliation(s)
- Leonidas Batas
- Department of Preventive Dentistry, Periodontology and Implant Biology, School of Dentistry, Aristotle University of Thessaloniki, Thessaloniki, Greece.
| | - Lazaros Tsalikis
- Department of Preventive Dentistry, Periodontology and Implant Biology, School of Dentistry, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Andreas Stavropoulos
- Department of Periodontology, Faculty of Odontology, Malmö University, Malmö, Sweden.,Center for Experimental and Preclinical Biomedical Research (CEPBR), Athens, Greece.,Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
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Amin I, Gellhorn AC. Platelet-Rich Plasma Use in Musculoskeletal Disorders: Are the Factors Important in Standardization Well Understood? Phys Med Rehabil Clin N Am 2019; 30:439-449. [PMID: 30954157 DOI: 10.1016/j.pmr.2018.12.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Platelet-rich plasma (PRP) is a novel therapeutic treatment option for joint and tendon disease, but preparation methods are varied. This article summarizes research on uses of PRP, compares classification systems to standardize various PRP compositions, and discusses the most common methodologies to produce PRP. Even with advances in understanding PRP, there are unknowns about the factors and processes that may have an impact on treatment efficacy for musculoskeletal conditions. PRP studies should pursue determining optimal PRP preparation, setting a standard to evaluate PRP mixtures and preparation methods, assessing efficacy of PRP for various musculoskeletal conditions, and managing and reducing costs.
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Affiliation(s)
- Idris Amin
- Department of Rehabilitation and Regenerative Medicine, Columbia University Medical Center, New York, NY, USA; Department of Rehabilitation Medicine, Weill Cornell Medicine, 525 East 68th Street, Baker Pavilion F-1600, New York, NY 10065, USA
| | - Alfred C Gellhorn
- Department of Rehabilitation Medicine, Weill Cornell Medicine, 525 East 68th Street, Baker Pavilion F-1600, New York, NY 10065, USA.
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Oudelaar BW, Peerbooms JC, Huis In 't Veld R, Vochteloo AJH. Concentrations of Blood Components in Commercial Platelet-Rich Plasma Separation Systems: A Review of the Literature. Am J Sports Med 2019; 47:479-487. [PMID: 29337592 DOI: 10.1177/0363546517746112] [Citation(s) in RCA: 112] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Platelet-rich plasma (PRP) has proven to be a very safe therapeutic option in the treatment of tendon, muscle, bone, and cartilage injuries. Currently, several commercial separation systems are available for the preparation of PRP. The concentrations of blood components in PRP among these separation systems vary substantially. PURPOSE To systematically review and evaluate the differences between the concentrations of blood components in PRP produced by various PRP separation systems. STUDY DESIGN Systematic review. METHODS MEDLINE/PubMed, the Cochrane Central Register of Controlled Trials (CENTRAL), and EMBASE were searched for studies that compared the concentrations of blood components and growth factors in PRP between various separation systems and studies that reported on the concentrations of blood components and growth factors of single separation systems. The primary outcomes were platelet count, leukocyte count, and concentration of growth factors (eg, platelet-derived growth factor-AB [PDGF-AB], transforming growth factor-β1 [TGF-β1], and vascular endothelial growth factor [VEGF]). Furthermore, the preparation protocols and prices of the systems were compared. RESULTS There were 1079 studies found, of which 19 studies were selected for inclusion in this review. The concentrations of platelets and leukocytes in PRP differed largely between, and to a lesser extent within, the studied PRP separation systems. Additionally, large differences both between and within the studied PRP separation systems were found for all the growth factors. Furthermore, preparation protocols and prices varied widely between systems. CONCLUSION There is a large heterogeneity between PRP separation systems regarding concentrations of platelets, leukocytes, and growth factors in PRP. The choice for the most appropriate type of PRP should be based on the specific clinical field of application. As the ideal concentrations of blood components and growth factors for the specific fields of application are yet to be determined for most of the fields, future research should focus on which type of PRP is most suitable for the specific field.
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Affiliation(s)
- Bart W Oudelaar
- OCON Centre for Orthopaedic Surgery, Hengelo, the Netherlands
| | - Joost C Peerbooms
- Department of Orthopaedic Surgery, Albert Schweitzer Hospital, Dordrecht, the Netherlands
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Jooybar E, Abdekhodaie MJ, Alvi M, Mousavi A, Karperien M, Dijkstra PJ. An injectable platelet lysate-hyaluronic acid hydrogel supports cellular activities and induces chondrogenesis of encapsulated mesenchymal stem cells. Acta Biomater 2019; 83:233-244. [PMID: 30366137 DOI: 10.1016/j.actbio.2018.10.031] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 10/06/2018] [Accepted: 10/22/2018] [Indexed: 01/27/2023]
Abstract
Developing scaffolds that can provide cells and biological cues simultaneously in the defect site is of interest in tissue engineering field. In this study, platelet lysate (PL) as an autologous and inexpensive source of growth factors was incorporated into a cell-laden injectable hyaluronic acid-tyramine (HA-TA) hydrogel. Subsequently, the effect of platelet lysate on cell attachment, viability and differentiation of human mesenchymal stem cell (hMSCs) toward chondrocytes was investigated. HA-TA conjugates having a degree of substitution of 20 TA moieties per 100 disaccharide units were prepared and crosslinked in the presence of horseradish peroxidase and low concentrations of hydrogen peroxide. The storage moduli of the gels ranged from 500 to 2000 Pa and increased with increasing polymer concentration. In contrast to a retained round shape of the cells when using pure HA-TA hydrogel, the hMSCs attached and spread out in PL enriched matrix. The enrichment of hMSCs laden HA-TA hydrogels with PL induced a cartilage like extra cellular matrix deposition in vitro. The hMSCs increasingly deposited collagen type II and proteoglycans over time. The deposition of the new extracellular matrix (ECM) is simultaneous with gel degradation and resulted ultimately in the formation of a tough dense matrix. These findings demonstrate the potential of injectable HA-TA-PL hydrogel as a cell delivery system for cartilage regeneration. STATEMENT OF SIGNIFICANCE: Cartilage tissue has limited ability to self-repair because of its avascular nature. To have an efficient cartilage tissue regeneration, we combined platelet lysate (PL), as an autologous and inexpensive source of growth factors, with an injectable hyaluronic acid tyramine (HA-TA) hydrogel scaffold. Platelet lysate had a vital role in supporting human mesenchymal stem cells (hMSCs) activities, like cell attachment, viability and proliferation in the 3D hydrogel structure. Also, the hMSCs encapsulated HA-TA induced hyaline cartilage generation when placed in chondrogenic differentiation medium. This study introduces a new system for cartilage tissue engineering, which can be injected in a minimally invasive manner and is rich with patient's own growth factors and biological cues.
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35
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Smith OJ, Jell G, Mosahebi A. The use of fat grafting and platelet-rich plasma for wound healing: A review of the current evidence. Int Wound J 2018; 16:275-285. [PMID: 30460739 DOI: 10.1111/iwj.13029] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Accepted: 10/16/2018] [Indexed: 12/17/2022] Open
Abstract
Fat grafting is becoming a common procedure in regenerative medicine because of its high content of growth factors and adipose derived stem cells (ADSCs) and the ease of harvest, safety, and low cost. The high concentration of ADSCs found in fat has the potential to differentiate into a wide range of wound-healing cells including fibroblasts and keratinocytes as well as demonstrating proangiogenic qualities. This suggests that fat could play an important role in wound healing. However retention rates of fat grafts are highly variable due in part to inconsistent vascularisation of the transplanted fat. Furthermore, conditions such as diabetes, which have a high prevalence of chronic wounds, reduce the potency and regenerative potential of ADSCs. Platelet-rich plasma (PRP) is an autologous blood product rich in growth factors, cell adhesion molecules, and cytokines. It has been hypothesised that PRP may have a positive effect on the survival and retention of fat grafts because of improved proliferation and differentiations of ADSCs, reduced inflammation, and improved vascularisation. There is also increasing interest in a possible synergistic effect that PRP may have on the healing potential of fat, although the evidence for this is very limited. In this review, we evaluate the evidence in both in vitro and animal studies on the mechanistic relationship between fat and PRP and how this translates to a benefit in wound healing. We also discuss future directions for both research and clinical practice on how to enhance the regenerative potential of the combination of PRP and fat.
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Affiliation(s)
- Oliver J Smith
- Department of Plastic Surgery, Royal Free Hospital, London, UK.,Division of Surgery and Interventional Science, University College London, London, UK
| | - Gavin Jell
- Division of Surgery and Interventional Science, University College London, London, UK
| | - Ash Mosahebi
- Department of Plastic Surgery, Royal Free Hospital, London, UK.,Division of Surgery and Interventional Science, University College London, London, UK
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Lee Z, Sinno S, Poudrier G, Motosko CC, Chiodo M, Saia W, Gothard D, Thomson JE, Hazen A. Platelet rich plasma for photodamaged skin: A pilot study. J Cosmet Dermatol 2018; 18:77-83. [DOI: 10.1111/jocd.12676] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2018] [Indexed: 11/26/2022]
Affiliation(s)
- Z‐Hye Lee
- Hansjörg Wyss Department of Plastic Surgery NYU Langone Health New York NY USA
| | | | - Grace Poudrier
- Hansjörg Wyss Department of Plastic Surgery NYU Langone Health New York NY USA
| | - Catherine C Motosko
- Hansjörg Wyss Department of Plastic Surgery NYU Langone Health New York NY USA
| | - Michael Chiodo
- Hansjörg Wyss Department of Plastic Surgery NYU Langone Health New York NY USA
| | - Whitney Saia
- Hansjörg Wyss Department of Plastic Surgery NYU Langone Health New York NY USA
| | | | - Jennifer E Thomson
- Hansjörg Wyss Department of Plastic Surgery NYU Langone Health New York NY USA
| | - Alexes Hazen
- Hansjörg Wyss Department of Plastic Surgery NYU Langone Health New York NY USA
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Ben-Nafa W, Munro W. The effect of corticosteroid versus platelet-rich plasma injection therapies for the management of lateral epicondylitis: A systematic review. SICOT J 2018; 4:11. [PMID: 29561260 PMCID: PMC5861901 DOI: 10.1051/sicotj/2017062] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Accepted: 12/29/2017] [Indexed: 02/04/2023] Open
Abstract
Introduction: Lateral epicondylitis is a common musculoskeletal disorder of the upper limb. Corticosteroid injection has been widely used as a major mode of treatment. However, better understanding of the pathophysiology of the disease led to a major change in treating the disease, with new options including platelet-rich plasma (PRP) are currently used. Objectives/research aim: To systematically evaluate the effect of corticosteroid versus PRP injections for the treatment of LE. Hypothesis: PRP injections provide longer-term therapeutic effect and less rate of complications compared to corticosteroid injection. Level of evidence: Level 2 evidence (4 included studies are of level 1 evidence, 1 study of level 2 evidence). Design: Systematic Review (according to PRISMA guidelines). Methods: Eleven databases used to search for relevant primary studies comparing the effects of corticosteroid and PRP injections for the treatment of LE. Quality appraisal of studies performed using Cochrane Handbook for Systematic Reviews of Interventions Version 5.1.0, CASP Randomised Controlled Trial Checklist, and SIGN Methodology Checklist 2. Results: 732 papers were identified. Five randomised controlled trials (250 Patients) met the inclusion criteria. Clinical findings: Corticosteroid injections provided rapid symptomatic improvement with maximum effect at 6/8/8 weeks before symptoms recurrence, whereas PRP showed slower ongoing improvements up to 24/52/104 weeks(3 studies). Corticosteroid showed more rapid symptomatic improvement of symptoms compared to PRP up to the study end-point of 3 months(1 study). Comparable therapeutic effects of corticosteroid and PRP were observed at 6 weeks(1 study). Ultrasonographic Findings: (1) Doppler activity decreased more significantly in patients who received corticosteroid compared to PRP. (2) Reduced tendon thickness and more patients with cortical erosion noted in corticosteroid group whereas increased tendon thickness and less number of patients with common extensor tendon tears noted in PRP group. (3) Fewer patients reported Probe-induced tenderness and oedema in the common extensor tendon in both corticosteroid and PRP groups (2 studies). Conclusion: Corticosteroid injections provide rapid therapeutic effect in the short-term with recurrence of symptoms afterwards, compared to the relatively slower but longer-term effect of platelet-rich plasma.
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Affiliation(s)
- Walid Ben-Nafa
- The University of Salford, Salford, UK - Trauma and Orthopaedics department, Central Manchester University Hospitals NHS Foundation Trust, UK
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López JF, Sarkanen JR, Huttala O, Kaartinen IS, Kuokkanen HO, Ylikomi T. Adipose tissue extract shows potential for wound healing: in vitro proliferation and migration of cell types contributing to wound healing in the presence of adipose tissue preparation and platelet rich plasma. Cytotechnology 2018; 70:1193-1204. [PMID: 29511946 DOI: 10.1007/s10616-018-0211-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 02/19/2018] [Indexed: 12/28/2022] Open
Abstract
Growth factors are the key elements in wound healing signaling for cell migration, differentiation and proliferation. Platelet-rich plasma (PRP), one of the most studied sources of growth factors, has demonstrated to promote wound healing in vitro and in vivo. Adipose tissue is an alternative source of growth factors. Through a simple lipoaspirate method, adipose derived growth factor-rich preparation (adipose tissue extract; ATE) can be obtained. The authors set out to compare the effects of these two growth factor sources in cell proliferation and migration (scratch) assays of keratinocyte, fibroblast, endothelial and adipose derived stem cells. Growth factors involved in wound healing were measured: keratinocyte growth factor, epidermal growth factor, insulin-like growth factor, interleukin 6, platelet-derived growth factor beta, tumor necrosis factor alfa, transforming growth factor beta and vascular endothelial growth factor. PRP showed higher growth factor concentrations, except for keratinocyte growth factor, that was present in adipose tissue in greater quantities. This was reflected in vitro, where ATE significantly induced proliferation of keratinocytes at day 6 (p < 0.001), compared to plasma and control. Similarly, ATE-treated fibroblast and adipose stem cell cultures showed accelerated migration in scratch assays. Moreover, both sources showed accelerated keratinocyte migration. Adipose tissue preparation has an inductive effect in wound healing by proliferation and migration of cells involved in wound closure. Adipose tissue preparation appears to offer the distinct advantage of containing the adequate quantities of growth factors that induce cell activation, proliferation and migration, particularly in the early phase of wound healing.
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Affiliation(s)
- Jenny F López
- Cell Biology, Faculty of Medicine and Life Sciences, University of Tampere, PL100, 33014, Tampere, Finland. .,Department of Plastic Surgery, Unit of Musculoskeletal Diseases, Tampere University Hospital, Pirkanmaa Hospital District, Tampere, Finland.
| | - Jertta-Riina Sarkanen
- Cell Biology, Faculty of Medicine and Life Sciences, University of Tampere, PL100, 33014, Tampere, Finland.,Science Center, Pirkanmaa Hospital District, Tampere, Finland
| | - Outi Huttala
- FICAM, Finnish Center for Alternative Methods, Faculty of Medicine and Life Sciences, University of Tampere, Tampere, Finland
| | - Ilkka S Kaartinen
- Department of Plastic Surgery, Unit of Musculoskeletal Diseases, Tampere University Hospital, Pirkanmaa Hospital District, Tampere, Finland.,Science Center, Pirkanmaa Hospital District, Tampere, Finland
| | - Hannu O Kuokkanen
- Department of Plastic Surgery, Unit of Musculoskeletal Diseases, Tampere University Hospital, Pirkanmaa Hospital District, Tampere, Finland.,Science Center, Pirkanmaa Hospital District, Tampere, Finland
| | - Timo Ylikomi
- Cell Biology, Faculty of Medicine and Life Sciences, University of Tampere, PL100, 33014, Tampere, Finland.,Science Center, Pirkanmaa Hospital District, Tampere, Finland
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Zhang HF, Wang CG, Li H, Huang YT, Li ZJ. Intra-articular platelet-rich plasma versus hyaluronic acid in the treatment of knee osteoarthritis: a meta-analysis. DRUG DESIGN DEVELOPMENT AND THERAPY 2018; 12:445-453. [PMID: 29551888 PMCID: PMC5842781 DOI: 10.2147/dddt.s156724] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Purpose Platelet-rich plasma (PRP) and hyaluronic acid (HA) have been increasingly used in recent years to treat knee osteoarthritis (OA). However, whether PRP is superior to HA is controversial. Methods We conducted an electronic search of PubMed, Embase, ScienceDirect, and Cochrane library. The pooled data were analyzed using RevMan 5.1. Results Three prospective and ten randomized trials were identified. PRP injections reduced pain more effectively than HA injections in OA of the knee at 6 months (mean difference [MD]=−14.18; 95% confidence interval [CI]: −26.12 to −2.23; P=0.02; I2=95%) and 12 months (MD=−15.25; 95% CI: −22.17 to −8.32; P<0.01; I2=81%) of follow-up evaluated by Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain score, while the VAS showed no significant difference at 3 months (MD=−0.98; 95% CI: −2.55 to 0.59; P=0.22; I2=90%) and 6 months (MD=−0.82; 95% CI: −1.80 to 0.16; P=0.1; I2=83%). Additionally, similar results were observed for the function recovery according to the WOMAC function score and EuroQol-visual analog scales. Conclusion The intra-articular injection of PRP was not obviously superior to HA in knee OA. Due to the limited quality and data of the evidence currently available, more high-quality randomized controlled trials are required.
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Affiliation(s)
- Hua-Feng Zhang
- Department of Orthopaedics, Tianjin Medical University General Hospital, Tianjin, People's Republic of China
| | - Chen-Guang Wang
- Department of Orthopaedics, Tianjin Medical University General Hospital, Tianjin, People's Republic of China
| | - Hui Li
- Department of Orthopaedics, Tianjin Medical University General Hospital, Tianjin, People's Republic of China
| | - Yu-Ting Huang
- Cancer & Immunology Research, Children's Research Institute, Children's National Medical Center, Washington DC, USA
| | - Zhi-Jun Li
- Department of Orthopaedics, Tianjin Medical University General Hospital, Tianjin, People's Republic of China
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Chicharro-Alcántara D, Rubio-Zaragoza M, Damiá-Giménez E, Carrillo-Poveda JM, Cuervo-Serrato B, Peláez-Gorrea P, Sopena-Juncosa JJ. Platelet Rich Plasma: New Insights for Cutaneous Wound Healing Management. J Funct Biomater 2018; 9:jfb9010010. [PMID: 29346333 PMCID: PMC5872096 DOI: 10.3390/jfb9010010] [Citation(s) in RCA: 134] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 01/14/2018] [Accepted: 01/15/2018] [Indexed: 02/06/2023] Open
Abstract
The overall increase of chronic degenerative diseases associated with ageing makes wound care a tremendous socioeconomic burden. Thus, there is a growing need to develop novel wound healing therapies to improve cutaneous wound healing. The use of regenerative therapies is becoming increasingly popular due to the low-invasive procedures needed to apply them. Platelet-rich plasma (PRP) is gaining interest due to its potential to stimulate and accelerate the wound healing process. The cytokines and growth factors forming PRP play a crucial role in the healing process. This article reviews the emerging field of skin wound regenerative therapies with particular emphasis on PRP and the role of growth factors in the wound healing process.
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Affiliation(s)
- Deborah Chicharro-Alcántara
- Bioregenerative Medicine and Applied Surgery Research Group, Animal Medicine and Surgery Department, Veterinary Faculty, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain.
- García Cugat Foundation for Biomedical Research, 08006 Barcelona, Spain.
| | - Mónica Rubio-Zaragoza
- Bioregenerative Medicine and Applied Surgery Research Group, Animal Medicine and Surgery Department, Veterinary Faculty, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain.
- García Cugat Foundation for Biomedical Research, 08006 Barcelona, Spain.
| | - Elena Damiá-Giménez
- Bioregenerative Medicine and Applied Surgery Research Group, Animal Medicine and Surgery Department, Veterinary Faculty, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain.
- García Cugat Foundation for Biomedical Research, 08006 Barcelona, Spain.
| | - José M Carrillo-Poveda
- Bioregenerative Medicine and Applied Surgery Research Group, Animal Medicine and Surgery Department, Veterinary Faculty, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain.
- García Cugat Foundation for Biomedical Research, 08006 Barcelona, Spain.
| | - Belén Cuervo-Serrato
- Bioregenerative Medicine and Applied Surgery Research Group, Animal Medicine and Surgery Department, Veterinary Faculty, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain.
- García Cugat Foundation for Biomedical Research, 08006 Barcelona, Spain.
| | - Pau Peláez-Gorrea
- Bioregenerative Medicine and Applied Surgery Research Group, Animal Medicine and Surgery Department, Veterinary Faculty, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain.
- García Cugat Foundation for Biomedical Research, 08006 Barcelona, Spain.
| | - Joaquín J Sopena-Juncosa
- Bioregenerative Medicine and Applied Surgery Research Group, Animal Medicine and Surgery Department, Veterinary Faculty, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain.
- García Cugat Foundation for Biomedical Research, 08006 Barcelona, Spain.
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Tambella AM, Attili AR, Dupré G, Cantalamessa A, Martin S, Cuteri V, Marcazzan S, Del Fabbro M. Platelet-rich plasma to treat experimentally-induced skin wounds in animals: A systematic review and meta-analysis. PLoS One 2018; 13:e0191093. [PMID: 29324848 PMCID: PMC5764374 DOI: 10.1371/journal.pone.0191093] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 12/28/2017] [Indexed: 12/22/2022] Open
Abstract
The objective of the study was to review current literature to determine whether the topical application of platelet-rich plasma (PRP) promotes healing in experimentally-induced full-thickness skin wounds in animals. The hypothesis was that the adjunct of PRP has a positive effect on wound healing. An electronic search was carried out on the following databases: Web of Science, Cochrane Library, PubMed, Research Gate, Cochrane Wounds Group, Veterinary Information Network. No publication date nor language restrictions were applied. Randomised and not randomised controlled clinical trials comparing PRP with placebo or with other treatments were included. The reduction of open wound area in PRP-treated (test) wounds compared to control wounds was the primary outcome. Secondary outcomes were healing time and number of healed cases in test group compared to control. The following effect sizes were calculated: the Hedges' g for continuous variables; the odds ratio for binary data. Eighteen controlled clinical trials were included in the qualitative and quantitative synthesis, with a total of 661 wounds. All studies were published in the period 2007-2016. Eight studies were carried out on rodent/lagomorph mammals and 10 on non-rodent/lagomorph mammals. In all included studies, control wounds underwent placebo or were left untreated. The PRP group showed a better healing performance than the control group in each outcome. The effect size was statistically significant considering the primary outcome and the overall aggregation of the three outcomes. The effect size, although in favour of the treatment with PRP, was not significant considering the healing time and the number of healings. The overall heterogeneity was mild or moderate. Five studies reported a high risk of selection bias. The publication bias was always mild or absent. The results support the hypothesis of the positive effects of the PRP when compared to control groups in the treatment of experimentally-induced full-thickness skin wounds in animals. PRP can therefore be considered an effective adjunctive therapy in stimulating second intention healing of acute wounds in healthy animals.
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Affiliation(s)
- Adolfo Maria Tambella
- School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, MC, Italy
- * E-mail:
| | - Anna Rita Attili
- School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, MC, Italy
| | - Gilles Dupré
- Clinic for Small Animal Surgery, Department for Clinical Sciences, Veterinary Medicine University Vienna, Vienna, Austria
| | - Andrea Cantalamessa
- School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, MC, Italy
| | - Stefano Martin
- School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, MC, Italy
| | - Vincenzo Cuteri
- School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, MC, Italy
| | - Sabrina Marcazzan
- Department of Biomedical Surgical and Dental Sciences, University of Milan, Milan, Italy
- IRCCS Galeazzi Orthopaedic Institute, Milan, Italy
| | - Massimo Del Fabbro
- Department of Biomedical Surgical and Dental Sciences, University of Milan, Milan, Italy
- IRCCS Galeazzi Orthopaedic Institute, Milan, Italy
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Luck J, Smith OJ, Mosahebi A. A Systematic Review of Autologous Platelet-Rich Plasma and Fat Graft Preparation Methods. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2017; 5:e1596. [PMID: 29632775 PMCID: PMC5889438 DOI: 10.1097/gox.0000000000001596] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 10/16/2017] [Indexed: 12/18/2022]
Abstract
BACKGROUND The addition of platelet-rich plasma (PRP) to adipose tissue may improve fat graft survival, although graft retention rates vary markedly between studies. To what extent this outcome heterogeneity reflects differing methodological factors remains unknown. This systematic review aims to synthesize and critically review methodological approaches to autologous PRP and fat cotransplantation in both human and animal studies. METHODS In accordance with PRISMA guidelines, Ovid MEDLINE, Scopus, and Cochrane Library databases were searched from inception to April 2017. Data were extracted from all in vivo studies involving autologous PRP and fat cotransplantation. A secondary aim was to assess reporting of technical detail; authors were not contacted to provide missing data. RESULTS From 335 articles, 23 studies were included in the qualitative synthesis. Some 21 were performed in humans and 2 in rabbits. Six studies were randomized control trials; the remainder reported on observational data. Methods of PRP extraction and activation varied markedly between studies. Fat graft preparation was comparatively more consistent. Methods of PRP and fat mixing differed significantly, especially with regards to relative volume/volume ratios. CONCLUSIONS Our study represents the first systematic review of methodological factors in autologous PRP and fat cotransplantation. It demonstrates that technical factors in graft preparation and administration vary significantly between in vivo studies. Such methodological heterogeneity may explain observed differences in experimental and clinical outcomes. Reporting of key procedural information is inconsistent and often inadequate. These issues make meaningful evaluation of the PRP-enhanced fat grafting literature difficult and may limit its translation into clinical practice.
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Affiliation(s)
- Joshua Luck
- Department of Plastic & Reconstructive Surgery, Royal Free Hospital, London, United Kingdom
| | - Oliver J Smith
- Department of Plastic & Reconstructive Surgery, Royal Free Hospital, London, United Kingdom
| | - Afshin Mosahebi
- Department of Plastic & Reconstructive Surgery, Royal Free Hospital, London, United Kingdom
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Deprés-Tremblay G, Chevrier A, Tran-Khanh N, Nelea M, Buschmann MD. Chitosan inhibits platelet-mediated clot retraction, increases platelet-derived growth factor release, and increases residence time and bioactivity of platelet-rich plasma
in vivo. Biomed Mater 2017; 13:015005. [DOI: 10.1088/1748-605x/aa8469] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Piao L, Park H, Jo CH. Theoretical prediction and validation of cell recovery rates in preparing platelet-rich plasma through a centrifugation. PLoS One 2017; 12:e0187509. [PMID: 29095890 PMCID: PMC5667898 DOI: 10.1371/journal.pone.0187509] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Accepted: 10/22/2017] [Indexed: 12/20/2022] Open
Abstract
In the present study, we propose a theoretical framework to predict the recovery rates of platelets and white blood cells in the process of centrifugal separation of whole blood contained in a tube for the preparation of platelet-rich plasma. Compared to previous efforts to optimize or standardize the protocols of centrifugation, we try to further the physical background (i.e., based on the multiphase flow phenomena) of analysis to develop a universal approach that can be applied to widely different conditions. That is, one-dimensional quasi-linear partial differential equation to describe the centrifugal sedimentation of dispersed phase (red and white blood cells) in continuous phase (plasma) is derived based on the kinematic-wave theory. With the information of whole blood volume and tube geometry considered, it is possible to determine the positions of interfaces between supernatant/suspension and suspension/sediment, i.e., the particle concentration gradient in a tube, for a wide range of centrifugation parameters (time and acceleration). While establishing a theory to predict the recovery rates of the platelet and white blood cell from the pre-determined interface positions, we also propose a new correlation model between the recovery rates of plasma and platelets, which is found to be a function of the whole blood volume, centrifugal time and acceleration, and tube geometry. The present predictions for optimal condition show good agreements with available human clinical data, obtained from different conditions, indicating the universal applicability of our method. Furthermore, the dependence of recovery rates on centrifugal conditions reveals that there exist a different critical acceleration and time for the maximum recovery rate of platelets and white blood cells, respectively. The other parameters such as hematocrit, whole blood volume and tube geometry are also found to strongly affect the maximum recovery rates of blood cells, and finally, as a strategy for increasing the efficiency, we suggest to dilute the whole blood, increase the whole blood volume with a tube geometry fixed.
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Affiliation(s)
- Linfeng Piao
- Department of Mechanical & Aerospace Enginnering, Seoul National University, Seoul, Korea
| | - Hyungmin Park
- Department of Mechanical & Aerospace Enginnering, Seoul National University, Seoul, Korea
- Institute of Advanced Machines and Design, Seoul National University, Seoul, Korea
| | - Chris Hyunchul Jo
- Department of Orthopedic Surgery, Seoul Metropolitan Government–Seoul National University Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea
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Zhou S, Chang Q, Lu F, Xing M. Injectable Mussel-Inspired Immobilization of Platelet-Rich Plasma on Microspheres Bridging Adipose Micro-Tissues to Improve Autologous Fat Transplantation by Controlling Release of PDGF and VEGF, Angiogenesis, Stem Cell Migration. Adv Healthc Mater 2017; 6. [PMID: 28881440 DOI: 10.1002/adhm.201700131] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 05/11/2017] [Indexed: 12/12/2022]
Abstract
Platelets-rich plasma (PRP) can produce growth factors (GFs) to improve angiogenesis. However, direct injection of PRP does not lead to highly localized GFs. The current study employs a mussel-inspired polydopamine to immobilize PRP on gelatin microspheres (GMs) with the purpose of bridging adipose micro-tissues to help implanted fat survive (GM-pDA-PRP). Enhanced PRP adhesion leads to a prolonged and localized production of GFs, which is verified by platelet counting and by ELISA of vascular endothelial growth factors (VEGFs) and of platelet derived growth factors (PDGFs). The GM-pDA-PRP "hatches" a microenvironment for the proliferation of adipose-derived stem cells. After the adipose micro-tissue has bridged with GM-pDA-PRP after 16 weeks, triple-fluorescence staining reveals that the mature adipocytes, blood vessels, and capillaries are arranged like in normal adipose tissue. The survival fat increases significantly compared to that in control, PRP, and GM-PRP groups (84.8 ± 11.4% versus 47.8 ± 8.9%, 56.9 ± 9.7%, and 60.2 ± 10.5%, respectively). Both histological assessments and CD31 immunofluorescence indicate that the improvement of angiogenesis in GM-pDA-PRP is higher than in the fat graft group (6.4-fold in quantitative CD31 positive cells). The CD34 positive cells in the GM-pDA-PRP group are around 3.5-fold the amount in the fat graft group, which suggests that more stem cells migrate to the implant area. Cell proliferation staining shows that the number of Ki67 positive cells is around five times as high as that in the fat graft group.
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Affiliation(s)
- Shaolong Zhou
- Department of Plastic Surgery; Southern Medical University; Guangzhou 510515 P. R. China
| | - Qiang Chang
- Department of Plastic Surgery; Southern Medical University; Guangzhou 510515 P. R. China
- Department of Mechanical Engineering; University of Manitoba; Winnipeg R35 2N2 Canada
- Children's hospital Research Institute of Manitoba; Winnipeg R3E 3P3 Canada
| | - Feng Lu
- Department of Plastic Surgery; Southern Medical University; Guangzhou 510515 P. R. China
| | - Malcolm Xing
- Department of Mechanical Engineering; University of Manitoba; Winnipeg R35 2N2 Canada
- Children's hospital Research Institute of Manitoba; Winnipeg R3E 3P3 Canada
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PICARDI A, FERRARO A, MIRANDA M, MECONI F, LANTI A, ADORNO G, ARCESE W, BOLLERO P. Therapeutic efficiency of platelet gel for the treatment of oral ulcers related to chronic graft versus host disease after allogeneic haematopoietic stem cell transplantation. ORAL & IMPLANTOLOGY 2017; 10:398-405. [PMID: 29682257 PMCID: PMC5892654 DOI: 10.11138/orl/2017.10.4.398] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Platelet (PLT) gel has been successfully used in tissue regeneration of diabetic and surgical wounds through the releasing of growth factors such as basic fibroblast and PLT-derived growth factors. Based on this background, our previous clinical trial have assessed the feasibility and efficacy of PLT gel for the treatment of muco-cutaneous lesions related to graft versus host disease (GvHD) after allogeneic haematopoietic stem cell transplantion (HSCT). The promising results reported in a small series of 6 patients, of whom 1 with oral ulcers, represent the rationale of the present study. MATERIALS AND METHODS The aim of this study was to verify the efficacy and safety of PLT gel for treating oral ulcers due to chronic GvHD. Allogeneic hemocomponents were used to obtain PLT gel with an automated system for the on-site preparation and application of patient (autologous) or healthy blood donor (allogeneic)-derived fibrin sealant or PLT-rich fibrin (Vivostat system, Vivostat A/S). Ten patients with multiple oral lesions related to chronic GvHD underwent allogeneic PLT gel as local therapy alone or in combination with systemic therapy in half of the cases. RESULTS After the second PLT gel application, all patients resumed the feeding and a significant improvement of the oral pain was observed. After a median of five PLT gel applications (range, 2-15), 7 out of 10 patients showed a complete response. No side effects were documented. CONCLUSION These data confirm that the PLT gel may be used as a safe and effective tool, alone or in combination with systemic therapy, for the treatment of mucosal lesions of mouth related to cGvHD.
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Affiliation(s)
- A. PICARDI
- Stem Cell Transplant Unit, Hematology, Department of Biomedicine and Prevention, University of Rome “Tor Vergata”, Rome, Italy
| | - A.S. FERRARO
- Blood Bank, Fondazione “Policlinico Tor Vergata”, Rome, Italy
| | - M. MIRANDA
- Oral Pathology, Department of Systems Medicine, University of Rome “Tor Vergata”, Rome, Italy
| | - F. MECONI
- Stem Cell Transplant Unit, Hematology, Department of Biomedicine and Prevention, University of Rome “Tor Vergata”, Rome, Italy
| | - A. LANTI
- Blood Bank, Fondazione “Policlinico Tor Vergata”, Rome, Italy
| | - G. ADORNO
- Blood Bank, Department of Biomedicine and Prevention, University of Rome “Tor Vergata”, Rome, Italy
| | - W. ARCESE
- Stem Cell Transplant Unit, Hematology, Department of Biomedicine and Prevention, University of Rome “Tor Vergata”, Rome, Italy
| | - P. BOLLERO
- Oral Pathology, Department of Systems Medicine, University of Rome “Tor Vergata”, Rome, Italy
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Gersch RP, Glahn J, Tecce MG, Wilson AJ, Percec I. Platelet Rich Plasma Augments Adipose-Derived Stem Cell Growth and Differentiation. Aesthet Surg J 2017; 37:723-729. [PMID: 28333339 DOI: 10.1093/asj/sjw235] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Adipose-derived stem cells (ASCs) are a powerful tool for cosmetic surgery and regenerative medicine. The use of autologous platelet rich plasma (PRP), particularly in combination with ASC-based therapy, has significantly expanded in recent years. Unfortunately, the mechanisms and optimal dosing responsible for the beneficial effects of PRP remain poorly understood. Here we investigate the effect of PRP on ASC growth and differentiation. OBJECTIVES To assess the impact of different PRP feeding and cryopreservation protocols on ASC isolation, expansion, and differentiation. METHODS Human PRP was isolated using the Magellan System (Arteriocyte). Fresh PRP (fPRP), flash frozen PRP (ffPRP), and cryopreserved PRP (cPRP) were added to human ASCs isolated from healthy patients. A panel of PRP supplementation protocols was analyzed for ASC adherence, proliferation, and osteogenesis. RESULTS The fresh and cryopreserved PRP groups demonstrated reduced cell adherence compared to control (non-PRP) groups (P < 0.001), while the flash frozen PRP groups showed cell adherence equivalent to or better than controls. After 7 days of growth, ASC populations for fPRP and ffPRP Single Administration protocols were significantly higher than other feeding protocols and controls. This benefit was lost in cPRP groups. Optimized ffPRP protocols showed potential for spontaneous osteogenesis. CONCLUSIONS Addition of ffPRP improves initial ASC adherence while a single administration of either fresh or flash frozen PRP without additional cell manipulation significantly augments subsequent ASC proliferation. The potential for spontaneous osteogenic differentiation upon PRP exposure invokes the need for additional molecular studies of PRP activity prior to further expansion to clinical applications.
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Affiliation(s)
- Robert P Gersch
- From the Department of Surgery, University of Pennsylvania, Philadelphia, PA
| | - Joshua Glahn
- From the Department of Surgery, University of Pennsylvania, Philadelphia, PA
| | - Michael G Tecce
- From the Department of Surgery, University of Pennsylvania, Philadelphia, PA
| | - Anthony J Wilson
- From the Department of Surgery, University of Pennsylvania, Philadelphia, PA
| | - Ivona Percec
- From the Department of Surgery, University of Pennsylvania, Philadelphia, PA
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Agrawal AA. Evolution, current status and advances in application of platelet concentrate in periodontics and implantology. World J Clin Cases 2017; 5:159-171. [PMID: 28560233 PMCID: PMC5434315 DOI: 10.12998/wjcc.v5.i5.159] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 12/06/2016] [Accepted: 03/02/2017] [Indexed: 02/05/2023] Open
Abstract
Platelet concentrates (PC) [platelet-rich plasma (PRP) and platelet-rich fibrin (PRF)] are frequently used for surgical procedures in medical and dental fields, particularly in oral and maxillofacial surgery, plastic surgery and sports medicine. The objective of all these technologies is to extract all the elements from a blood sample that could be used to improve healing and promote tissue regeneration. Although leukocyte rich and leukocyte poor PRP’s have their own place in literature, the importance of non-platelet components in a platelet concentrate remains a mystery. PC have come a long way since its first appearance in 1954 to the T-PRF, A-PRF and i-PRF introduced recently. These PC find varied applications successfully in periodontics and implant dentistry as well. However, the technique of preparation, standing time, transfer process, temperature of centrifuge, vibration, etc., are the various factors for the mixed results reported in the literature. Until the introduction of a proper classification of terminologies, the PC were known by different names in different countries and by different commercial companies which also created a lot of confusion. This review intends to clarify all these confusion by briefing the exact evolution of PC, their preparation techniques, recent advances and their various clinical and technical aspects and applications.
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