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Plate rich plasma treatments

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https://www.readbyqxmd.com/read/28667397/delayed-union-of-humeral-shaft-fractures-comparison-of-autograft-with-and-without-platelet-rich-plasma-treatment-a-randomized-single-blinded-clinical-trial
#1
Carlos Acosta-Olivo, Abiel Garza-Borjon, Mario Simental-Mendia, Felix Vilchez-Cavazos, Yadira Tamez-Mata, Victor Peña-Martinez
INTRODUCTION: Despite an adequate orthopedic treatment with functional bracing, some patients develop a delayed union in humeral shaft fractures. The objective of the present study was to determine the bone consolidation time among patients with delayed union of diaphyseal humeral fractures who were managed with locking compression plate (LCP) fixation combined with an iliac crest autograft using platelet-rich plasma (PRP) as a co-adjuvant. MATERIALS AND METHODS: This study was a controlled, randomized, experimental, longitudinal, comparative, prospective, blind clinical trial...
June 30, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28296142/platelet-rich-plasma-for-androgenetic-alopecia-does-it-work-evidence-from-meta-analysis
#2
REVIEW
Salvatore Giordano, Marco Romeo, Petteri Lankinen
INTRODUCTION: The use of platelet-rich plasma (PRP) has increased among different surgical specialities for the treatment of various conditions. Androgenetic alopecia is a common condition, with severe attendant psychosocial implications. PRP injections for hair restoration have become a popular practice among plastic surgeons. We performed a meta-analysis comparing local injection of platelet-rich plasma versus control to evaluate this issue in order to investigate the effectiveness of PRP local injections for androgenetic alopecia...
March 13, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28236247/humeral-shaft-non-union-after-intramedullary-nailing
#3
G Campochiaro, P Baudi, M Gialdini, A Corradini, V Duca, M Rebuzzi, F Catani
BACKGROUND: The humerus shaft is one of the sites with the largest probability of developing pseudoarthrosis after fracture. We present the results of nine patients with atrophic pseudoarthrosis of humeral shaft treated with angular stability plate associated with allograft and platelet-rich plasma (PRP), after a first treatment with intramedullary nail to correct the fracture. MATERIAL AND METHODS: From January 2012 to December 2014, nine patients were treated for atrophic pseudoarthrosis (PSA) of humeral shaft treated previously using intramedullary nail; seven humeral diaphysis fractures were located in the middle-proximal third and two in the middle third...
August 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27994625/effect-of-mesenchymal-stem-cells-and-platelet-rich-plasma-on-the-bone-healing-of-ovariectomized-rats
#4
Bo Wei, Chengshuo Huang, Mingyan Zhao, Peng Li, Xiang Gao, Junchao Kong, Yanru Niu, Rui Huang, Juanhua Quan, Jinsong Wei, Jiaqi Chu
We evaluated the efficacy of platelet-rich plasma (PRP) in combination with allogeneic bone marrow mesenchymal stem cells (BMSCs) for the treatment of osteoporotic bone defects in an ovariectomized rat model. By day 42 after injury, in vivo microcomputed tomography (micro-CT) imaging revealed that bone defects of control rats and ovariectomized rats treated with PRP and BMSCs were completely repaired, whereas those of ovariectomized rats treated with PRP or BMSCs alone exhibited slower healing. Histological data were consistent with these results...
2016: Stem Cells International
https://www.readbyqxmd.com/read/27989570/the-effect-of-tannic-acid-on-the-bone-tissue-of-adult-male-wistar-rats-exposed-to-cadmium-and-lead
#5
Ewa Tomaszewska, Piotr Dobrowolski, Anna Winiarska-Mieczan, Małgorzata Kwiecień, Agnieszka Tomczyk, Siemowit Muszyński
Toxic elements such as cadmium (Cd) and lead (Pb) accumulate to the largest extent in bones. Rats at the age of 12 weeks were used to check whether tannic acid (TA) at the concentration of 0.5%, 1.0%, 1.5%. 2.0% or 2.5% would have a protective effect on the structure and properties of bones in the case of exposure to Cd and Pb (diet: 7mg Cd/kg and 50mg Pb/kg) for 12 weeks. The effects of administration of TA in Cd- and Pb-poisoned rats on bone mechanical and geometric properties, trabecular histomorphometry as well as the morphology of articular and growth cartilages were determined...
March 2, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/27148928/the-efficacy-of-platelet-rich-plasma-in-the-treatment-of-rib-fractures
#6
Samil Gunay, Huseyin Candan, Rahsan Yılmaz, Irfan Eser, Umit Aydoğmus
Background Rib fracture is the most common result of thoracic traumas. Intrapulmonary shunt, alveolar capillary membrane damage, intra-alveolar hemorrhage, and hypoxia may develop following rib fractures. Therefore, prompt treatment is important. The aim of this experimental study was to analyze the effects of platelet-rich plasma (PRP) on rib fractures to secure a speedier and more efficient treatment method. Materials and Methods The study involved 18 New Zealand white rabbits, randomly divided into three groups as Group 1, the sham group with no surgical intervention; Group 2, the control group in which simple rib fractures were applied and no treatment; and Group 3, in which rib fractures were applied and then PRP treatment was administered...
October 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/26886592/serum-collagen-type-ii-cleavage-epitope-and-serum-hyaluronic-acid-as-biomarkers-for-treatment-monitoring-of-dogs-with-hip-osteoarthritis
#7
José M Vilar, Mónica Rubio, Giuseppe Spinella, Belén Cuervo, Joaquín Sopena, Ramón Cugat, Montserrat Garcia-Balletbó, Juan M Dominguez, Maria Granados, Asta Tvarijonaviciute, José J Ceron, José M Carrillo
The aim of this study was to evaluate the use of serum type II collagen cleavage epitope and serum hyaluronic acid as biomarkers for treatment monitoring in osteoarthritic dogs. For this purpose, a treatment model based on mesenchymal stem cells derived from adipose tissue combined with plasma rich in growth factors was used. This clinical study included 10 dogs with hip osteoarthritis. Both analytes were measured in serum at baseline, just before applying the treatment, and 1, 3, and 6 months after treatment...
2016: PloS One
https://www.readbyqxmd.com/read/26460099/leukocyte-reduced-platelet-rich-plasma-normalizes-matrix-metabolism-in-torn-human-rotator-cuff-tendons
#8
Jessica A Cross, Brian J Cole, Kaylan P Spatny, Emily Sundman, Anthony A Romeo, Greg P Nicholson, Bettina Wagner, Lisa A Fortier
BACKGROUND: The optimal platelet-rich plasma (PRP) for treatment of supraspinatus tendinopathy has not been determined. PURPOSE: To evaluate the effect of low- versus high-leukocyte concentrated PRP products on catabolic and anabolic mediators of matrix metabolism in diseased rotator cuff tendons. STUDY DESIGN: Controlled laboratory study. METHODS: Diseased supraspinatus tendons were treated with PRP made by use of 2 commercial systems: Arthrex Autologous Conditioned Plasma Double Syringe System (L(lo) PRP) and Biomet GPS III Mini Platelet Concentrate System (L(hi) PRP)...
December 2015: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/26428302/the-nesh-abi-3-based-wave2-complex-is-functionally-distinct-from-the-abi-1-based-wave2-complex
#9
Saki Sekino, Yuriko Kashiwagi, Hitoshi Kanazawa, Kazuki Takada, Takashi Baba, Seiichi Sato, Hiroki Inoue, Masaki Kojima, Katsuko Tani
BACKGROUND: Abl interactor (Abi) family proteins play significant roles in actin cytoskeleton organization through participation in the WAVE complex. Mammals possess three Abi proteins: Abi-1, Abi-2, and NESH/Abi-3. Abi-1 and Abi-2 were originally identified as Abl tyrosine kinase-binding proteins. It has been disclosed that Abi-1 acts as a bridge between c-Abl and WAVE2, and c-Abl-mediated WAVE2 phosphorylation promotes actin remodeling. We showed previously that NESH/Abi-3 is present in the WAVE2 complex, but neither binds to c-Abl nor promotes c-Abl-mediated phosphorylation of WAVE2...
2015: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/25990927/assisted-deposition-of-nano-hydroxyapatite-onto-exfoliated-carbon-nanotube-oxide-scaffolds
#10
H Zanin, C M R Rosa, N Eliaz, P W May, F R Marciano, A O Lobo
Electrodeposited nano-hydroxyapatite (nHAp) is more similar to biological apatite in terms of microstructure and dimension than apatites prepared by other processes. Reinforcement with carbon nanotubes (CNTs) enhances its mechanical properties and increases adhesion of osteoblasts. Here, we carefully studied nHAp deposited onto vertically aligned multi-walled CNT (VAMWCNT) scaffolds by electrodeposition and soaking in a simulated body fluid (SBF). VAMWCNTs are porous biocompatible scaffolds with nanometric porosity and exceptional mechanical and chemical properties...
June 14, 2015: Nanoscale
https://www.readbyqxmd.com/read/25404629/results-of-the-use-of-platelet-rich-plasma-in-the-treatment-of-delayed-union-of-long-bones
#11
Justyna Gołos, Tomasz Waliński, Piotr Piekarczyk, Krzysztof Kwiatkowski
BACKGROUND: The aim of this study was to assess the efficacy of platelet rich plasma in the treatment of delayed union of long bones according to fracture location, the time between the fracture and PRP administration, and the type of surgical fixation. MATERIAL AND METHODS: A total of 1620 patients with long bone fractures were treated surgically at the Department of Traumatology of the Military Medical Institute in Warsaw between 2009 and 2012. Delayed union was diagnosed in 158 (9...
July 2014: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/25108907/comparative-outcomes-of-open-wedge-high-tibial-osteotomy-with-platelet-rich-plasma-alone-or-in-combination-with-mesenchymal-stem-cell-treatment-a-prospective-study
#12
COMPARATIVE STUDY
Yong-Gon Koh, Oh-Ryong Kwon, Yong-Sang Kim, Yun-Jin Choi
PURPOSE: This study compared the clinical results and second-look arthroscopic findings of patients undergoing open-wedge high tibial osteotomy (HTO) for varus deformity, with or without mesenchymal stem cell (MSC) therapy. METHODS: This prospective, comparative observational study was designed to evaluate the effectiveness of MSC therapy. The patients were divided into 2 groups: HTO with platelet-rich plasma (PRP) injection only (n = 23) or HTO in conjunction with MSC therapy and PRP injection (n = 21)...
November 2014: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/25108654/platelet-rich-plasma-affects-bacterial-growth-in-vitro
#13
Erminia Mariani, Giuseppe Filardo, Valentina Canella, Andrea Berlingeri, Alessandra Bielli, Luca Cattini, Maria Paola Landini, Elizaveta Kon, Maurilio Marcacci, Andrea Facchini
BACKGROUND AIMS: Platelet-rich plasma (PRP), a blood derivative rich in platelets, is a relatively new technique used in tissue regeneration and engineering. The increased quantity of platelets makes this formulation of considerable value for their role in tissue healing and microbicidal activity. This activity was investigated against five of the most important strains involved in nosocomial infections (Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumoniae and Streptococcus faecalis) to understand the prophylactic role of pure (P)-PRP...
September 2014: Cytotherapy
https://www.readbyqxmd.com/read/23395471/an-in-vitro-evaluation-of-the-anti-inflammatory-effects-of-platelet-rich-plasma-ketorolac-and-methylprednisolone
#14
Augustus D Mazzocca, Mary Beth R McCarthy, Jessica Intravia, Knut Beitzel, John Apostolakos, Mark P Cote, James Bradley, Robert A Arciero
PURPOSE: The purpose of this study was to quantify the extent of the anti-inflammatory effect of platelet-rich plasma (PRP) in a controlled in vitro environment. METHODS: Through the stimulation of human umbilical vein endothelial cells with inflammatory cytokines (tumor necrosis factor α and interferon γ), cell adhesion molecule expression (E-selectin, vascular cell adhesion molecule, and human leukocyte antigen DR) and PRP's anti-inflammatory effect can be measured...
April 2013: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/22325997/results-of-calcaneocuboid-distraction-arthrodesis
#15
COMPARATIVE STUDY
Todd R Grunander, David B Thordarson
BACKGROUND: One powerful method of reconstructing an adult acquired flatfoot deformity is a calcaneocuboid distraction arthrodesis. We performed a retrospective review of a small series of patients who underwent a calcaneocuboid distraction arthrodesis with a femoral head allograft. MATERIALS AND METHODS: Sixteen feet (14 patients) were identified with an average follow up of 23 months (8-39 months) and an average age of 43 years (16-60 years). A calcaneocuboid distraction arthrodesis was performed with a femoral head allograft, secured with a 3 hole 1/3 tubular plate with 7 of the grafts being supplemented with platelet rich plasma (PRP)...
March 2012: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/22260455/enhanced-cellular-responses-of-human-bone-marrow-stromal-cells-cultured-on-pre-treated-surface-with-allogenic-platelet-rich-plasma
#16
Seung Han Shin, Jeong Joon Yoo, Ha Na Kim, Jinwoo Nam, Hee Joong Kim
Abstract The principal objective of this study was to evaluate the effects of surface pre-treatment with platelet-rich plasma (PRP) on the cellular functions of human bone marrow stromal cells (hBMSCs). The surfaces of tissue culture plates (TCPs) were pre-treated by adding PRP followed by centrifugation to bring platelets closer to the surface, followed by incubation for 60 min at 37°C. Then, hBMSCs were seeded onto TCP and TCP pre-treated with PRP (TCP-PRP), followed by culture in osteogenic medium. Cell attachment, proliferation, and osteogenic differentiation were evaluated...
January 19, 2012: Connective Tissue Research
https://www.readbyqxmd.com/read/21814354/treatment-of-endodontically-induced-periapical-lesions-using-hydroxyapatite-platelet-rich-plasma-and-a-combination-of-both-an-in-vivo-study
#17
C Vaishnavi, B Mohan, L Lakshmi Narayanan
AIM AND OBJECTIVES: To evaluate bone regeneration in endodontically induced periapical lesions using Hydroxyapatite, Platelet-Rich Plasma (PRP), and a combination of Hydroxyapatite and Platelet-Rich Plasma for a period of one year. MATERIALS AND METHODS: Twenty systemically healthy patients of both genders between the ages 20 and 40 years were included. To qualify, the patient had to have a tooth where non-surgical root canal therapy had failed, periapical radiolucency was present, and periapical root end surgery was required...
April 2011: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/20633974/reconstruction-of-the-mandible-using-preshaped-2-3-mm-titanium-plates-autogenous-cortical-bone-plates-particulate-cancellous-bone-and-platelet-rich-plasma-a-retrospective-analysis-of-20-patients
#18
MULTICENTER STUDY
Robert E C M Mooren, Matthias A W Merkx, Peter A W H Kessler, John A Jansen, Paul J W Stoelinga
PURPOSE: The purpose of this retrospective study was to evaluate a group of 20 patients who underwent a reconstruction of the mandible by use of free bone grafts and platelet-rich plasma (PRP). MATERIALS AND METHODS: In a period of 8 years, 20 patients underwent a reconstruction of the mandible, by use of preshaped 2.3-mm titanium plates, autogenous cortical bone plates, autogenous particulate bone, PRP, and a special fixation technique. The patients were divided into 3 groups...
October 2010: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/18155752/variable-responsiveness-to-clopidogrel-and-aspirin-among-patients-with-acute-coronary-syndrome-as-assessed-by-platelet-function-tests
#19
COMPARATIVE STUDY
Boris Shenkman, Shlomi Matetzky, Paul Fefer, Hanoch Hod, Yulia Einav, Aharon Lubetsky, David Varon, Naphtali Savion
Unresponsiveness to clopidogrel or aspirin has been reported in patients with acute coronary syndrome (ACS). Platelet aggregometry (PA) and the Impact-R [Cone and Plate(let) Analyzer (CPA) technology, measuring whole blood platelet adhesion under flow conditions] were compared in detecting laboratory unresponsiveness to clopidogrel and aspirin among ACS patients. Platelet-rich plasma (PRP) samples were evaluated in 404 patients by PA using adenosine diphosphate (ADP) and arachidonic acid (AA) and whole blood samples by the Impact-R ADP- and AA-response tests...
2008: Thrombosis Research
https://www.readbyqxmd.com/read/17674679/immediate-bone-augmentation-after-infected-tooth-extraction-using-titanium-membranes
#20
Efraim Kfir, Vered Kfir, Edo Kaluski
Infectious process frequently results in extensive bone resorption and defect, periradicular or periapical lesions, or vertical fracture with infected sinus tract. When tooth extraction is mandated it typically results in additional bone loss in the buccal or lingual cortical plate. Immediate guided bone regeneration (GBR) and implant fixation at an infected site is frequently complicated by soft-tissue dehiscence, membrane exposure, and implant failure. The objective of this research is to assess the feasibility of immediate bone augmentation (IBA) after purulent tooth extraction, employing a dedicated titanium membrane...
2007: Journal of Oral Implantology
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