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Platelet-rich fibrin

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https://www.readbyqxmd.com/read/28236425/efficacy-of-platelet-rich-fibrin-after-mandibular-third-molar-extraction-a-systematic-review-and-meta-analysis
#1
REVIEW
Faez Saleh Al-Hamed, Mohamed Abdel-Monem Tawfik, Ehab Abdelfadil, Mohammed A Q Al-Saleh
PURPOSE: To assess the effect of platelet-rich fibrin (PRF) on the healing process of the alveolar socket after surgical extraction of the mandibular third molars. MATERIALS AND METHODS: PubMed, the Cochrane Central Register of Controlled Trials, Scopus, and relevant journals were searched using a combination of specific keywords ("platelet-rich fibrin," "oral surgery," and "third molar"). The final search was conducted on November 2, 2015. Randomized controlled clinical trials, as well as controlled clinical trials, aimed at comparing the effect of PRF versus natural healing after extraction of mandibular third molars were included...
February 1, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28235767/canine-articular-cartilage-regeneration-using-mesenchymal-stem-cells-seeded-on-platelet-rich-fibrin-macroscopic-and-histological-assessments
#2
D Kazemi, K Shams Asenjan, N Dehdilani, H Parsa
OBJECTIVES: Mesenchymal stem cells have the ability to differentiate into various cell types, and thus have emerged as promising alternatives to chondrocytes in cell-based cartilage repair methods. The aim of this experimental study was to investigate the effect of bone marrow derived mesenchymal stem cells combined with platelet rich fibrin on osteochondral defect repair and articular cartilage regeneration in a canine model. METHODS: Osteochondral defects were created on the medial femoral condyles of 12 adult male mixed breed dogs...
February 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28215057/efficacy-of-human-platelet-rich-fibrin-exudate-vs-fetal-bovine-serum-on-proliferation-and-differentiation-of-dental-pulp-stem-cells
#3
Mahmoud A Saeed, Mohamed Abd El-Rahman, Mohamed E Helal, Ahmed R Zaher, Mohammed E Grawish
Background and Objectives: The imperative role of dental pulp stem cells (DPSCs) in regenerative therapy demands an in-vitro expansion which must deal with the safety and ethical problems associated with fetal bovine serum (FBS). The primary aim of this study was to compare the effects of human platelet rich fibrin (hPRF) exudate Vs FBS on proliferation and osteodifferentiation of human dental pulp stem cells (hDPSCs). The secondary one was to determine the optimum concentration of hPRF exudate inducing hDPSCs proliferation and osteodifferentiation...
February 28, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28207887/platelet-monocyte-derived-and-tissue-factor-carrying-circulating-microparticles-are-related-to-acute-myocardial-infarction-severity
#4
Gemma Chiva-Blanch, Kristian Laake, Peder Myhre, Vibeke Bratseth, Harald Arnesen, Svein Solheim, Lina Badimon, Ingebjørg Seljeflot
OBJECTIVE: Circulating microparticles (cMPs) are phospholipid-rich vesicles released from cells when activated or injured, and contribute to the formation of intracoronary thrombi. Tissue factor (TF, CD142) is the main trigger of fibrin formation and TF-carrying cMPs are considered one of the most procoagulant cMPs. Similar types of atherosclerotic lesions may lead to different types of AMI, although the mechanisms behind are unresolved. Therefore, we aimed to investigate the phenotype of cMPs found in plasma of ACS patients and its relation to AMI severity and thrombotic burden...
2017: PloS One
https://www.readbyqxmd.com/read/28202370/to-evaluate-the-role-of-platelet-rich-plasma-in-healing-of-acute-diaphyseal-fractures-of-the-femur
#5
Roop Singh, Rajesh Rohilla, Jeetesh Gawande, Paramjit Kumar Sehgal
PURPOSE: New research is focusing on the use of autologous growth factors to increase the effect of bone fracture healing while decreasing the amount of healing time for the patient. Platelets have been demonstrated to be the natural storage vessel for several growth factors and cytokines that promote blood coagulation, tissue repair, and the process of bone mineralization. The present study aims to evaluate the role of platelet-rich plasma (PRP) in healing of acute femoral shaft fractures radiologically...
January 20, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28196169/the-use-of-platelet-rich-fibrin-versus-subepithelial-connective-tissue-graft-in-treatment-of-multiple-gingival-recessions-a-randomized-clinical-trial
#6
Elif Öncü
The objective of this study was to evaluate the clinical effectiveness of platelet-rich fibrin (PRF) membrane used in combination with a modified coronally advanced flap (MCAF) and to compare it with the use of a subepithelial connective tissue graft (SCTG) in combination with a MCAF in treatment of Miller Class I and II bilateral multiple gingival recessions. A total of 20 patients with multiple Miller Class I and II maxillary gingival recession defects participated in this randomized, split-mouth, controlled study...
March 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28196154/enhancement-of-immediate-implant-stability-and-recovery-using-platelet-rich-fibrin
#7
Elif Öncü, Ahmet Afşin Erbeyoğlu
The objective of this study was to evaluate the effect of leukocyte platelet-rich fibrin (L-PRF) on immediate implant stability and recovery. A total of 60 immediate implants were evaluated. After the extraction, using split-mouth design, test sockets were coated with L-PRF (L-PRF+) and control sockets were not (L-PRF-). All the implants were followed for 12 months. Results showed a statistically significant difference between the stability of L-PRF+ and L-PRF- implants at 1 week and at 1 month. Mean marginal bone resorption was higher in the control group at 1 year...
February 14, 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28192870/clinical-and-immunohistochemical-performance-of-lyophilized-platelet-rich-fibrin-ly-prf-on-tissue-regeneration
#8
Jianming Zhang, Xingying Qi, Xiaoding Luo, Dan Li, Haorong Wang, Ting Li
BACKGROUND: Platelet-rich fibrin (PRF) has been widely used in oral implantology and other fields, but benefits of the fresh PRF (FPRF (fresh platelet-rich fibrin)) were consequently limited because of its short-term application. Thus, a protocol for the combination of PRF and lyophilization comes up in the present study to address the issue of PRF storage and delayed clinical application, which has little been reported in this field at home and abroad by now. PURPOSE: The aim of the present study was to evaluate the applicability of lyophilized platelet-rich fibrin (Ly-PRF) used as the scaffold material for craniofacial tissue regeneration and to compare its biochemical properties with commonly used fresh PRF...
February 13, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28187434/interface-between-breast-cancer-cells-and-the-tumor-microenvironment-using-platelet-rich-plasma-to-promote-tumor-angiogenesis-influence-of-platelets-and-fibrin-bundles-on-the-behavior-of-breast-tumor-cells
#9
Sheila Siqueira Andrade, Joana Tomomi Sumikawa, Eloísa Dognani Castro, Fabricio Pereira Batista, Edgar Paredes-Gamero, Lilian Carolina Oliveira, Izabel Monastério Guerra, Giovani Bravin Peres, Renan Pelluzzi Cavalheiro, Luiz Juliano, Afonso Pinto Nazário, Gil Facina, Siu Mui Tsai, Maria Luiza Vilela Oliva, Manoel João Batista Castello Girão
Cancer progression is associated with an evolving tissue interface of direct epithelial-tumor microenvironment interactions. In biopsies of human breast tumors, extensive alterations in molecular pathways are correlated with cancer staging on both sides of the tumor-stroma interface. These interactions provide a pivotal paracrine signaling to induce malignant phenotype transition, the epithelial-mesenchymal transition (EMT). We explored how the direct contact between platelets-fibrin bundles primes metastasis using platelet-rich plasma (PRP) as a source of growth factors and mimics the provisional fibrin matrix between actively growing breast cancer cells and the tumor stroma...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28186646/re-evaluation-of-the-adjunctive-effect-of-platelet-rich-fibrin-to-enamel-matrix-derivative-in-the-treatment-of-intrabony-defects-six-month-results-of-a-randomized-split-mouth-controlled-clinical-study
#10
Eralp Buduneli, Nurcan Buduneli
We have read with great interest the recent article by Turkal et al. (2016). In their study, the results obtained with enamel matrix derivative (EMD) and EMD + platelet-rich fibrin (PRF) were compared in the treatment of intrabony defects in patients with chronic periodontitis. The authors concluded that both therapies resulted in significant clinical improvement in intrabony defect treatment, but addition of PRF did not improve the clinical and radiographic outcomes. A recent review article provided the biological background for the use of EMD and discussed the current evidence for periodontal regeneration (Miron et al...
February 10, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28180044/role-of-leukocyte-platelet-rich-fibrin-in-endoscopic-endonasal-skull-base-surgery-defect-reconstruction
#11
Liuba Soldatova, Raewyn G Campbell, Ahmad H Elkhatib, Thomas W Schmidt, Nelson R Pinto, Jaime M Pinto, Daniel M Prevedello, Leo F Ditzel Filho, Bradley A Otto, Ricardo L Carrau
Objective Advancements in endoscopic endonasal approaches have increased the extent and complexity of skull base resections, in turn demanding the development of novel techniques for skull base defect reconstruction. The objective of this pilot study was to investigate the effect of leukocyte-platelet-rich fibrin (L-PRF) on the postoperative healing after endoscopic skull base surgery. Methods Between January and May of 2015, 47 patients underwent endoscopic endonasal resection of sellar, parasellar, and suprasellar lesions with the application of L-PRF membranes during the skull base reconstruction at two surgical centers...
February 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28165420/behavior-of-gingival-fibroblasts-on-titanium-implant-surfaces-in-combination-with-either-injectable-prf-or-prp
#12
Xuzhu Wang, Yufeng Zhang, Joseph Choukroun, Shahram Ghanaati, Richard J Miron
Various strategies have been employed to speed tissue regeneration using bioactive molecules. Interestingly, platelet concentrates derived from a patient's own blood have been utilized as a regenerative strategy in recent years. In the present study, a novel liquid platelet formulation prepared without the use of anti-coagulants (injectable-platelet-rich fibrin, i-PRF) was compared to standard platelet-rich plasma (PRP) with gingival fibroblasts cultured on smooth and roughened titanium implant surfaces. Standard PRP and i-PRF (centrifuged at 700 rpm (60× g) for 3 min) were compared by assays for fibroblast biocompatibility, migration, adhesion, proliferation, as well as expression of platelet-derived growth factor (PDGF), transforming growth factor-β (TGF-β), collagen1 (COL1) and fibronectin (FN)...
February 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28162917/influence-of-preoperative-musculotendinous-junction-position-on-rotator-cuff-healing-after-double-row-repair
#13
Robert Z Tashjian, Gregory A Erickson, Richard J Robins, Yue Zhang, Robert T Burks, Patrick E Greis
PURPOSE: The primary purpose of this study was to determine the effect of the preoperative position of the musculotendinous junction (MTJ) on rotator cuff healing after double-row arthroscopic rotator cuff repair. A secondary purpose was to evaluate how tendon length and MTJ position change when the rotator cuff heals. METHODS: Preoperative and postoperative magnetic resonance imaging (MRI) scans of 42 patients undergoing arthroscopic double-row rotator cuff repair were reviewed...
February 2, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28154995/injectable-platelet-rich-fibrin-i-prf-opportunities-in-regenerative-dentistry
#14
Richard J Miron, Masako Fujioka-Kobayashi, Maria Hernandez, Umadevi Kandalam, Yufeng Zhang, Shahram Ghanaati, Joseph Choukroun
OBJECTIVES: Platelet rich plasma (PRP) has been utilized in regenerative dentistry as a supra-physiological concentrate of autologous growth factors capable of stimulating tissue regeneration. Despite this, concerns have been expressed regarding the use of anti-coagulants, agents known to inhibit wound healing. In this study, a liquid formulation of platelet rich fibrin (PRF) termed injectable-PRF (i-PRF) without the use of anti-coagulants was investigated. MATERIALS AND METHODS: Standard PRP and i-PRF (centrifuged at 700 rpm (60G) for 3 min) were compared for growth factor release up to 10 days (8 donor samples)...
February 2, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28150854/imaging-analyses-of-coagulation-dependent-initiation-of-fibrinolysis-on-activated-platelets-and-its-modification-by-thrombin-activatable-fibrinolysis-inhibitor
#15
Tomasz Brzoska, Yuko Suzuki, Hideto Sano, Seiichirou Suzuki, Martyna Tomczyk, Hiroki Tanaka, Tetsumei Urano
Using intravital confocal microscopy, we observed previously that the process of platelet phosphatidylserine (PS) exposure, fibrin formation and lysine binding site-dependent plasminogen (plg) accumulation took place only in the center of thrombi, not at their periphery. These findings prompted us to analyse the spatiotemporal regulatory mechanisms underlying coagulation and fibrinolysis. We analysed the fibrin network formation and the subsequent lysis in an in vitro experiment using diluted platelet-rich plasma supplemented with fluorescently labelled coagulation and fibrinolytic factors, using confocal laser scanning microscopy...
February 2, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28146219/effects-of-platelet-rich-fibrin-on-healing-of-intra-bony-defects-treated-with-anorganic-bovine-bone-mineral
#16
Yasemin Sezgin, Ahu Uraz, I Levent Taner, Rana Çulhaoğlu
Anorganic bovine bone mineral (ABBM) is extensively used in the treatment of intra-bony defects. Platelet-rich fibrin (PRF) is a new-generation platelet concentrate with a simplified technique. Although certain studies have reported the use of PRF in the treatment of intra-bony defects, to date, none of them have evaluated its additive effects with ABBM. Therefore, a randomised, split-mouth clinical trial was conducted to compare healing of intra-bony defects treated with an ABBM-PRF combination with healing of those treated with ABBM alone...
January 26, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28131412/second-generation-platelet-concentrate-platelet-rich-fibrin-as-a-scaffold-in-regenerative-endodontics-a-case-series
#17
Hengameh Bakhtiar, Shahram Esmaeili, Setareh Fakhr Tabatabayi, Mohammad Reza Ellini, Mohammad Hossein Nekoofar, Paul M H Dummer
INTRODUCTION: The purpose of this case series was to report the clinical and radiographic results of a pulp regenerative procedure using platelet-rich fibrin (PRF), a second-generation platelet concentrate, in immature teeth with necrotic pulps. METHODS: Root canal revascularization using PRF was performed on 4 immature teeth with necrotic pulps. After access cavity preparation, the root canals were irrigated with low concentration sodium hypochlorite solution (1...
March 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28093367/effect-of-construction-of-tio2-nanotubes-on-platelet-behaviors-structure-property-relationships
#18
Qiaoling Huang, Yun Yang, Dajiang Zheng, Ran Song, Yanmei Zhang, Pinliang Jiang, Erwin A Vogler, Changjian Lin
: Blood compatibility of TiO2 nanotubes (TNTs) has been assessed in rabbit platelet-rich plasma (PRP), which combines activation of both blood plasma coagulation and platelets. We find that (i) amorphous TiO2 nanotubes (TNTs) with relatively larger outer diameters led to reduced platelet adhesion/activation, (ii) TNTs with relatively smaller outer diameters in a predominately rutile phase also inhibited platelet adhesion and activation, and (iii) a pervasive fibrin network formed on larger outer diameter TNTs in a predominately anatase phase...
January 13, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28093204/chin-symphysis-bone-allograft-and-platelet-rich-fibrin-is-the-combination-effective-in-repair-of-alveolar-cleft
#19
Bijan Movahedian Attar, Navid Naghdi, Milad Etemadi Sh, Mojdeh Mehdizadeh
PURPOSE: Secondary grafting of alveolar defects with iliac crest bone is a common treatment method in cleft patients. The aim of this study was to evaluate the effectiveness of the combination of symphysis bone, allograft, and platelet-rich fibrin in regeneration of alveolar defects compared with iliac bone graft. MATERIALS AND METHODS: In this randomized clinical trial, patients with unilateral alveolar defects were divided randomly into two categories. Group A comprised patients in whom the combination of chin symphysis bone plus allogeneic bone material plus leukocyte- and platelet-rich fibrin was considered for treatment...
December 26, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28072995/-the-effects-of-platelet-rich-fibrin-extract-on-mc3t3-e1-cells-cultured-on-the-titanium-discs
#20
X J Zhang, S Xu, W Y Meng, H J Xiao, K Dong, Z H Liu
Objective: To evaluate the effect of platelet-rich fibrin extract (PRFe) on the adhesion, proliferation and differentiation of MC3T3-E1 cells cultured on the titanium discs. Methods: Samples were divided into experimental group (P) and control group (D). Group P used the α-minimal essential medium (α-MEM) containing PRFe (0.5%), while group D used only the α-MEM. Cell adhesion and cytoskeleton were observed using scanning electron microscopy (SEM) and laser scanning confocal microscopy (LSCM). Methyl thiazolyl tetrazolium (MTT) assay to detect the number of the osteoblasts at 1, 3, 5, 7 d; the activity of alkaline phosphatase (ALP) to detect the differentiation of osteoblast at 1, 3, 5, 7 d; the level of osteogenetic biomarkers core-binding factorα1 (cbfα1) and osteocalcin (OCN) were quantified by quantitative real-time PCR (qRT-PCR) at 3 and 7 d...
January 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
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