نتایج جستجو برای: prp and ppp platelet

تعداد نتایج: 16842905  

2017
Bin Shen Zheng Zhang Ning-Feng Zhou Yu-Feng Huang Yu-Jie Bao De-Sheng Wu Ya-Dong Zhang

BACKGROUND Platelet-rich plasma (PRP) has gained growing popularity in use in spinal fusion procedures in the last decade. Substantial intraoperative blood loss is frequently accompanied with spinal fusion, and it is unknown whether blood harvested intraoperatively qualifies for PRP preparation. MATERIAL AND METHODS Whole blood was harvested intraoperatively and venous blood was collected by ve...

Journal: :world journal of plastic surgery 0
valerio cervelli via montpellier pietro gentile via montpellier lorenzo brinci via casilina camilla di pasquali via casilina ilaria bocchini via casilina barbara de angelis via casilina

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2016
Andrew L. Frelinger Anja J. Gerrits Allen L. Garner Andrew S. Torres Antonio Caiafa Christine A. Morton Michelle A. Berny-Lang Sabrina L. Carmichael V. Bogdan Neculaes Alan D. Michelson

BACKGROUND Activated autologous platelet-rich plasma (PRP) used in therapeutic wound healing applications is poorly characterized and standardized. Using pulsed electric fields (PEF) to activate platelets may reduce variability and eliminate complications associated with the use of bovine thrombin. We previously reported that exposing PRP to sub-microsecond duration, high electric field (SMHEF)...

2017
Wenjing Yin Haitao Xu Jiagen Sheng Zhenzhong Zhu Dongxu Jin Peichun Hsu Xuetao Xie Changqing Zhang

While it has been proved that centrifugal conditions for pure platelet-rich plasma (P-PRP) preparation influence the cellular composition of P-PRP obtained, the optimal centrifugal conditions to prepare P-PRP have not yet been identified. In the present study, platelet-containing plasma (PCP) was prepared with the first-spin of different double-spin methods and P-PRP was prepared with different...

2012
Olivier Bausset Laurent Giraudo Julie Veran Jeremy Magalon Jean-Marie Coudreuse Guy Magalon Christophe Dubois Nicolas Serratrice Françoise Dignat-George Florence Sabatier

The platelet-rich plasma (PRP) is an autologous biotherapy based on platelet-healing properties. Here, we developed a simple and reproducible PRP purification protocol based on two successive centrifugations. We evaluated different centrifugation speeds and time-storage durations on the platelet quantity and quality. Sterility and stability of our PRP homemade product were also performed. We pr...

Journal: :Trends in biotechnology 2009
David M Dohan Ehrenfest Lars Rasmusson Tomas Albrektsson

The topical use of platelet concentrates is recent and its efficiency remains controversial. Several techniques for platelet concentrates are available; however, their applications have been confusing because each method leads to a different product with different biology and potential uses. Here, we present classification of the different platelet concentrates into four categories, depending o...

  Objective(s): Platelet-rich plasma (PRP) has recently emerged as a promising strategy in regenerative medicine due to its multiple endogenous growth factors. Little is known about the role of PRP as a promoter in chondrogenesis of human adipose derived stem cells (hADSCs). The aim of this study was to determine whether PRP may be considered as a natural and easy achievable source o...

Journal: :bulletin of emergency and trauma 0
rahim mohammadi department of internal medicine and clinical pathology, faculty of veterinary medicine, urmia university, urmia, iran. moein mehrtash department of surgery and diagnostic imaging, faculty of veterinary medicine, urmia university, urmia, iran moeid mehrtash department of surgery and diagnostic imaging, faculty of veterinary medicine, urmia university, urmia, iran nava hassani department of surgery and diagnostic imaging, faculty of veterinary medicine, urmia university, urmia, iran ali hassanpour department of mechanical engineering of biosystems, faculty of agriculture, urmia university, urmia, iran

objective: to assess the effects of platelet rich plasma (prp) with chitosan biodegradable film on full thickness wound healing in rat. methods: this was an experimental study being performed in 2015 during a 4-month period. twenty-four male white wistar rats were divided into four groups of 12 rats each, randomly: control group (sham) with creation of wounds and no treatment, prp group with cr...

2017
Vijay Sawhney

Aim: To compare the quality of the PC's prepared by three methods i.e Platelet Rich Plasma (PRP), Buffy Coat (BC) and Apheresis method as per the departmental SOP based on DGHS criteria. Material & Methods: Four platelet concentrates prepared by each of the three methods were assessed every month for the following quality parameters Swirling, Volume, Platelet count, WBC count and pH. 48 PC of e...

   Background:The aim of this study is to find out the spatial and temporal expression of TGF-b1 during the tendon healing, after application of Platelet Rich Plasma (PRP). Methods: A patellar tendon defect model in rabbits was used for this purpose. 48 skeletally mature New Zealand White rabbits, weighing 3.5 kg, were used for this study. Equal numbers of animals from both groups were sacrific...

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