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https://www.readbyqxmd.com/read/28092924/evaluation-of-the-use-of-rotational-thromboelastometry-in-the-assessment-of-fxi-deficency
#1
G N Pike, A M Cumming, J Thachil, C R M Hay, P H B Bolton-Maggs, J Burthem
INTRODUCTION: The absence of a reliable clinical test to predict bleeding tendency leaves factor XI (FXI)-deficient individuals at risk of overtreatment or under treatment. AIM: To assess whether rotational thromboelastometry has value in detection of FXI deficiency and identification of bleeding tendency. METHODS: Thromboelastometry was measured in whole blood and platelet-rich plasma (PRP) samples containing corn trypsin inhibitor (CTI) from controls (n = 50) and FXI-deficient individuals (n = 93) at tissue factor (TF) 0...
January 16, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28090513/an-update-and-review-of-cell-based-wound-dressings-and-their-integration-into-clinical-practice
#2
REVIEW
Austin Pourmoussa, Daniel J Gardner, Maxwell B Johnson, Alex K Wong
Chronic wounds affect over 4 million individuals and pose a significant burden to the US healthcare system. Diabetes, venous stasis, radiation or paralysis are common risk factors for chronic wounds. Unfortunately, the current standard of care (SOC) has a high relapse rate and these wounds continue to adversely affect patients' quality of life. Fortunately, advances in tissue engineering have allowed for the development of cell-based wound dressings that promote wound healing by improving cell migration and differentiation...
December 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28089410/microparticle-detection-to-guide-platelet-management-for-the-reduction-of-platelet-refractoriness-in-children-a-study-proposal
#3
REVIEW
Peter Kanzler, Andrew Mahoney, Gerda Leitner, Volker Witt, Elisabeth Maurer-Spurej
Microparticles have been shown to shed from a variety of viable cells as a consequence of inflammatory processes, activation or physical stress. Seventy to 90% of circulating microparticles are thought to be platelet-derived. The content of microparticles in blood collected from normal blood donors is highly variable and transfers into the final blood component. Elevated microparticle content (MPC) in donor blood might indicate an asymptomatic clinical condition of the donor which might affect the transfusion recipient, particularly pediatric patients...
December 29, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28086781/effects-of-the-intradiscal-implantation-of-stromal-vascular-fraction-plus-platelet-rich-plasma-in-patients-with-degenerative-disc-disease
#4
Comella Kristin, Silbert Robert, Parlo Michelle
BACKGROUND: Stromal vascular fraction (SVF) can easily be obtained from a mini-lipoaspirate procedure of fat tissue and platelet rich plasma (PRP) can be obtained from peripheral blood. The SVF contains a mixture of cells including ADSCs and growth factors and has been depleted of the adipocyte (fat cell) population. We evaluated the safety and efficacy of administering SVF and PRP intra-discally into patients with degenerative disc disease. METHODS: A total of 15 patients underwent a local tumescent liposuction procedure to remove approximately 60 ml of fat tissue...
January 13, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28076885/cross-linking-of-porcine-acellular-dermal-matrices-negatively-affects-induced-neovessel-formation-using-platelet-rich-plasma-in-a-rat-model-of-hernia-repair
#5
Joseph S Fernandez-Moure, Jeffrey L Van Eps, Leif Peterson, Beverly A Shirkey, Zachary K Menn, Fernando Cabrera, Azim Karim, Ennio Tasciotti, Bradley K Weiner, Warren A Ellsworth
The degree of crosslinking within acellular dermal matrices (ADM) seems to correlate to neovascularization when used in ventral hernia repair (VHR). Platelet-rich plasma (PRP) enhances wound healing through several mechanisms including neovascularization, but research regarding its effect on soft tissue healing in VHR is lacking. We sought to study the effect of crosslinking on PRP-induced neovascularization in a rodent model of bridging VHR. We hypothesized that ADM crosslinking would negatively affect PRP-induced neovessel formation...
January 11, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28073192/the-use-of-autologous-platelet-rich-plasma-gel-in-bulbar-and-penile-buccal-mucosa-urethroplasty-preliminary-report-of-our-first-series
#6
Marcello Scarcia, Francesco Paolo Maselli, Giuseppe Cardo, Giuseppe Mario Ludovico
OBJECTIVE: The Buccal Mucosa (BM) UrethroPlasty (UP) is one of the preferred treatments for long or compli-cated urethral strictures. We propose the use of autologous Platelet Rich Plasma gel (aPRPg) in order to enhance to vascularization of BM graft and reduce the fibrous spongy. We report the outcome of our ten cases of bulbar and penile UP and the safety of this technique. Materials and metods: Ten patients underwent to BM UP with use of aPRP gel. Median age was 46. Stricture etiology was idiopathic, failed hypospadias and flogistic...
December 30, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28072995/-the-effects-of-platelet-rich-fibrin-extract-on-mc3t3-e1-cells-cultured-on-the-titanium-discs
#7
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
https://www.readbyqxmd.com/read/28068276/repositioning-of-a-pathologically-migrated-tooth-using-autologous-platelet-rich-plasma-a-case-report-with-3-year-follow-up
#8
B V Karthikeyan, Divya Khanna, M Lv Prabhuji
An intricate balance between the periodontal tissues and the forces of occlusion, tongue, and lips helps to maintain a tooth in its physiologic position within the dental arch. Disturbances in the equilibrium can cause a tooth to migrate pathologically, often requiring multidisciplinary treatment approaches. The present case demonstrates, for the first time, the use of autologous platelet-rich plasma to aid in tooth repositioning after pathologic tooth migration. A 25-year-old woman presented with extrusion and labial migration of the maxillary left central incisor, a diastema of 3 mm, and grade II mobility...
January 2017: General Dentistry
https://www.readbyqxmd.com/read/28066748/the-use-of-platelet-rich-plasma-to-augment-conservative-and-surgical-treatment-of-hip-and-pelvic-disorders
#9
REVIEW
Matthew J Kraeutler, Tigran Garabekyan, Omer Mei-Dan
BACKGROUND: In recent years, platelet-rich plasma (PRP) has gained popularity within the orthopaedic community as a treatment modality to enhance tissue healing. PURPOSE: This review aims to concisely present the current indications for PRP injections in the treatment of hip and pelvic pathologies and to describe some novel applications for PRP which have not yet been reported in the literature. METHODS: We reviewed the literature on the non-operative and operative indications for PRP in the treatment of hip and pelvic pathologies...
July 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28061032/effects-of-platelet-rich-plasma-with-concomitant-use-of-a-corticosteroid-on-tenocytes-from-degenerative-rotator-cuff-tears-in-interleukin-1%C3%AE-induced-tendinopathic-conditions
#10
Chris Hyunchul Jo, Seung Yeon Lee, Kang Sup Yoon, Sue Shin
BACKGROUND: A corticosteroid injection is commonly used to treat tendinopathy, but it has been associated with negative effects on tendon homeostasis. Platelet-rich plasma (PRP) is known to have proliferative and anabolic effects as well as cytoprotective effects against corticosteroids on tenocytes. However, the combined effects of a corticosteroid and PRP on the anti-inflammatory, matrix synthesis, and cytoprotective potential of tenocytes in conditions simulating tendinopathy have not been investigated...
January 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28058708/platelet-rich-gel-for-the-adjuvant-treatment-of-wound-healing-of-transposed-flap-for-arteriovenous-fistula-in-systemic-scleroderma
#11
Salvatore Buscemi, Salvatore De Luca, Salvatore Fazzotta, Attilio Ignazio Lo Monte
No abstract text is available yet for this article.
January 3, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28056978/short-term-storage-stability-at-room-temperature-of-two-different-platelet-rich-plasma-preparations-from-equine-donors-and-potential-impact-on-growth-factor-concentrations
#12
Gregor Hauschild, Florian Geburek, Georg Gosheger, Maria Eveslage, Daniela Serrano, Arne Streitbürger, Sara Johannlükens, Dirk Menzel, Reinhard Mischke
BACKGROUND: The increasing interest in platelet-rich plasma (PRP) based therapies is as yet accompanied by inconsistent information regarding nearly all aspects of handling and application. Among these storage stability of processed platelet-rich products may be the basis for a more flexible application mode. The objective of this study was (1) to estimate the storage stability of growth factors platelet derived growth factor BB (PDGF-BB) and transforming growth factor ß1 (TGF-ß1) in both, a single-step softspin centrifugation-based pure-PRP (P-PRP, ACP®), and a gravity filtration system-based leukocyte-rich-PRP (L-PRP, E-PET), over a six hours time span after preparation at room temperature and (2) to identify possible factors influencing these growth factor concentrations in an equine model...
January 5, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28050518/revitalization-of-an-immature-permanent-mandibular-molar-with-a-necrotic-pulp-using-platelet-rich-fibrin-a-case-report
#13
Dayalan Subash, Krishnamma Shoba, Shibu Aman, Srinivasan Kumar Indu Bharkavi
Any insult to the pulp during its development causes cessation of dentin formation and root growth. Pulpal status and degree of root development are the decisive factors in the treatment approach. Various treatment options have been tried like surgery with root-end sealing, calcium hydroxide-apexification, placement of apical plug and regenerative endodontic procedures to induce apexogenesis. An ideal scenario for a necrosed tooth with immature root would be continued root development coupled with regeneration of pulp tissue...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28042979/does-the-addition-of-bone-morphogenetic-protein-2-to-platelet-rich-fibrin-improve-healing-after-treatment-for-medication-related-osteonecrosis-of-the-jaw
#14
Jung-Hyun Park, Jin-Woo Kim, Sun-Jong Kim
PURPOSE: To investigate the effect of the addition of bone morphogenetic protein 2 (BMP-2) to leukocyte-rich and platelet-rich fibrin (L-PRF) on the treatment of medication-related osteonecrosis of the jaws (MRONJ), this study compared the healing outcome of combined use of BMP-2 and L-PRF with single use of L-PRF. PATIENTS AND METHODS: Of 55 patients who were diagnosed with MRONJ, 25 were treated with L-PRF alone and 30 were treated with L-PRF and recombinant human BMP-2...
December 11, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28042318/exosomes-derived-from-platelet-rich-plasma-promote-the-re-epithelization-of-chronic-cutaneous-wounds-via-activation-of-yap-in-a-diabetic-rat-model
#15
Shang-Chun Guo, Shi-Cong Tao, Wen-Jing Yin, Xin Qi, Ting Yuan, Chang-Qing Zhang
Chronic wounds have become an economic, social, and public health burden and need advanced treatment. Platelet-rich plasma (PRP) has been used extensively in treatment of chronic wounds because it contains an abundance of growth factors secreted by platelets. The exosomes derived from PRP (PRP-Exos) have been proven to encapsulate principal growth factors from platelets. This study is the first to show that these exosomes may exert the function of PRP. PRP-Exos can effectively induce proliferation and migration of endothelial cells and fibroblasts to improve angiogenesis and re-epithelialization in chronic wounds...
2017: Theranostics
https://www.readbyqxmd.com/read/28042265/comparative-evaluation-of-platelet-rich-fibrin-versus-beta-tri-calcium-phosphate-in-the-treatment-of-grade-ii-mandibular-furcation-defects-using-cone-beam-computed-tomography
#16
Zeba Rahman Siddiqui, Rajesh Jhingran, Vivek Kumar Bains, Ruchi Srivastava, Rohit Madan, Iram Rizvi
OBJECTIVE: The objective of the study was to evaluate clinically and radiographically the efficacy of platelet-rich fibrin (PRF) versus β-tri-calcium phosphate (β-TCP) in the treatment of Grade II mandibular furcation defects. MATERIALS AND METHODS: Forty-five Grade II furcation defect in mandibular molars which were assigned to open flap debridement (OFD) with PRF Group I (n = 15), to OFD with β-TCP Group II (n = 15), and to OFD alone Group III (n = 15) were analyzed for clinical parameters (probing pocket depth [PPD], vertical clinical attachment level [VCAL], horizontal clinical attachment level [HCAL], gingival recession, relative vertical height of furcation [r-VHF], and relative horizontal depth of furcation [r-HDF]) and radiographical parameters (horizontal depth of furcation [H-DOF], vertical height of furcation [V-HOF]) using cone-beam computed tomography (CBCT) at 6 months interval...
October 2016: European Journal of Dentistry
https://www.readbyqxmd.com/read/28042260/effect-of-platelet-rich-plasma-concentrations-on-the-proliferation-of-periodontal-cells-an-in-vitro-study
#17
Sara Tavassoli-Hojjati, Mandana Sattari, Tayebeh Ghasemi, Rahil Ahmadi, Abbas Mashayekhi
OBJECTIVE: The purpose of this study was to evaluate the effect of different concentrations of platelet-rich plasma (PRP) on the proliferation of undifferentiated periodontal ligament (PDL) fibroblasts. MATERIALS AND METHODS: The undifferentiated PDL fibroblasts were obtained from two healthy human premolar teeth and cultured in Dulbecco's modified Eagle's medium. Cell wells were divided into five groups. Experimental groups received 0.1%, 5%, or 50% PRP; the positive and negative control groups were cultured in fetal bovine serum (FBS) 12% and in a medium without FBS 12%, respectively...
October 2016: European Journal of Dentistry
https://www.readbyqxmd.com/read/28033193/effect-of-platelet-rich-plasma-on-bone-grafting-of-alveolar-clefts
#18
Reiko Sakio, Yoshiaki Sakamoto, Hisao Ogata, Teruo Sakamoto, Takenobu Ishii, Kazuo Kishi
The purpose of this study was to evaluate the effectiveness of platelet-rich plasma (PRP) on the absorption of the bone graft in the alveolar cleft.Twenty-nine patients with alveolar clefts in unilateral cleft lip were examined; 6 were the control group and received iliac cancellous bone and marrow grafts without PRP, while the remaining 23 comprised the PRP group and received grafts with PRP. Quantitative evaluation of remaining bone was made by the computer-aided engineering with multidetector row computed tomography at 1 month and 1 year after surgery...
December 28, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28030443/dipyrone-metamizole-markedly-interferes-with-platelet-inhibition-by-aspirin-in-patients-with-acute-and-chronic-pain-a-case-control-study
#19
Andrea Schmitz, Larissa Roßmann, Peter Kienbaum, Goran Pavlaković, Robert Werdehausen, Thomas Hohlfeld
BACKGROUND: Nonopioid analgesic drugs may interfere with platelet inhibition by aspirin. Recent in vitro and clinical studies in patients with cardiovascular disease have suggested that this pharmacodynamic interaction may also occur with dipyrone, a nonopioid analgesic popular in Europe, Asia and South America. OBJECTIVE: Dipyrone is used extensively in acute and chronic pain. This study was undertaken to provide clinical data, so far missing, on its interactions in this group of patients...
26, 2016: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28029568/differences-in-levels-of-platelet-derived-microparticles-in-platelet-components-prepared-using-the-platelet-rich-plasma-buffy-coat-and-apheresis-procedures
#20
Egarit Noulsri, Prapaporn Udomwinijsilp, Surada Lerdwana, Viroje Chongkolwatana, Parichart Permpikul
BACKGROUND: There has been an increased interest in platelet-derived microparticles (PMPs) in transfusion medicine. Little is known about PMP status during the preparation of platelet concentrates for transfusion. AIM: The aim of this study is to compare the PMP levels in platelet components prepared using the buffy coat (BC), platelet-rich plasma platelet concentrate (PRP-PC), and apheresis (AP) processes. METHODS: Platelet components were prepared using the PRP-PC and BC processes...
October 25, 2016: Transfusion and Apheresis Science
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