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https://www.readbyqxmd.com/read/28339718/increased-nuclear-t2-signal-intensity-and-improved-function-and-pain-in-a-patient-one-year-after-an-intradiscal-platelet-rich-plasma-injection
#1
Gregory E Lutz
No abstract text is available yet for this article.
February 22, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28339434/platelet-rich-plasma-in-musculoskeletal-pathology-a-necessary-rescue-or-a-lost-cause
#2
Annu Navani, Gang Li, Joshua Chrystal
BACKGROUND: Platelet rich plasma (PRP) has been used for decades to facilitate surgical tissue repair; therefore, the current trend of percutaneously injecting PRP to theoretically enhance tissue regeneration and repair is a logical progression. Applications include treatment of osteoarthritis, tendinopathy, chondropathy, acute and chronic soft tissue injuries, muscle or ligament tear, as well as enhancement of healing after bone or tissue reconstruction. However, there is limited evidence to support the use of PRP in the abovementioned conditions...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28333339/platelet-rich-plasma-augments-adipose-derived-stem-cell-growth-and-differentiation
#3
Robert P Gersch, Joshua Glahn, Michael G Tecce, Anthony J Wilson, Ivona Percec
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...
February 22, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28333322/commentary-on-platelet-rich-plasma-augments-adipose-derived-stem-cell-growth-and-differentiation
#4
Afshin Mosahebi
No abstract text is available yet for this article.
February 22, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28333034/treatment-of-thin-endometrium-with-autologous-platelet-rich-plasma-a-pilot-study
#5
Shahrzad Zadehmodarres, Saghar Salehpour, Nasrin Saharkhiz, Leila Nazari
Endometrium is one of the main factors in pregnancy. During assisted reproductive technology (ART) treatments, some cycles are cancelled due to inadequate endometrial growth. This study was conducted to evaluate the effectiveness of platelet-rich plasma (PRP) in the treatment of thin endometrium. Ten patients with history of inadequate endometrial growth in frozen-thawed embryo transfer (FET) cycles were recruited into the study. Intrauterine infusion of PRP was performed. Endometrial thickness was assessed...
February 1, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28324162/reduction-of-relative-centrifugal-forces-increases-growth-factor-release-within-solid-platelet-rich-fibrin-prf-based-matrices-a-proof-of-concept-of-lscc-low-speed-centrifugation-concept
#6
K El Bagdadi, A Kubesch, X Yu, S Al-Maawi, A Orlowska, A Dias, P Booms, E Dohle, R Sader, C J Kirkpatrick, J Choukroun, S Ghanaati
Purpose The present study evaluated the platelet distribution pattern and growth factor release (VEGF, TGF-β1 and EGF) within three PRF (platelet-rich-fibrin) matrices (PRF, A-PRF and A-PRF+) that were prepared using different relative centrifugation forces (RCF) and centrifugation times. Materials and methods immunohistochemistry was conducted to assess the platelet distribution pattern within three PRF matrices. The growth factor release was measured over 10 days using ELISA. Results The VEGF protein content showed the highest release on day 7; A-PRF+ showed a significantly higher rate than A-PRF and PRF...
March 21, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28322719/prp-in-oa-knee-update-current-confusions-and-future-options
#7
Mandeep S Dhillon, Sandeep Patel, Rakesh John
Positive results have been uniformly observed by various researchers for platelet-rich plasma (PRP) in early osteoarthritis (OA) knee in the past few years. PRP has clearly demonstrated its supremacy in comparison to hyaluronic acid (HA) and placebo in various clinical trials and is undoubtedly the best option available for symptomatic treatment in early OA. The release of growth factors from PRP occurs immediately and lasts for around three weeks and the clinical effect tends to wane down by the end of the year...
2017: SICOT-J
https://www.readbyqxmd.com/read/28321425/adult-cells-combined-with-platelet-rich-plasma-for-tendon-healing-cell-source-options
#8
Eva Rubio-Azpeitia, Pello Sánchez, Diego Delgado, Isabel Andia
BACKGROUND: The combination of cells with platelet-rich plasma (PRP) may fulfill tendon deficits and help overcome the limited ability of tendons to heal. PURPOSE: To examine the suitability of 3 human cell types in combination with PRP and the potential impact of the tenocyte-conditioned media (CM) to enhance tendon healing. STUDY DESIGN: Controlled laboratory study. METHODS: Tenocytes, bone marrow-derived mesenchymal stem cells, and skin fibroblasts were cultured in 3-dimensional PRP hydrogels supplemented or not with CM, and cell proliferation and migration were examined...
February 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28320211/corrigendum
#9
(no author information available yet)
Cole BJ, Karas V, Hussey K, Merkow DB, Pilz K, Fortier LA. Hyaluronic acid versus platelet-rich plasma: a prospective, double-blind randomized controlled trial comparing clinical outcomes and effects on intra-articular biology for the treatment of knee osteoarthritis. Am J Sports Med. 2017;45(2):339-346. (Original DOI: 10.1177/0363546516665809 ).
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28317389/prp-for-degenerative-cartilage-disease
#10
Lior Laver, Niv Marom, Lad Dnyanesh, Omer Mei-Dan, João Espregueira-Mendes, Alberto Gobbi
OBJECTIVE: To explore the utilization of platelet-rich plasma (PRP) for degenerative cartilage processes and evaluate whether there is sufficient evidence to better define its potential effects. DESIGN: Systematic literature reviews were conducted in PubMed/MEDLINE and Cochrane electronic databases till May 2015, using the keywords "platelet-rich plasma OR PRP OR autologous conditioned plasma OR ACP AND cartilage OR chondrocyte OR chondrogenesis OR osteoarthritis (OA) OR arthritis...
September 1, 2016: Cartilage
https://www.readbyqxmd.com/read/28315407/controlled-delivery-of-platelet-derived-proteins-enhances-porcine-wound-healing
#11
Daniel W Long, Noah R Johnson, Eric M Jeffries, Hidetaka Hara, Yadong Wang
Platelet-rich plasma (PRP) is widely used for many clinical indications including wound healing due to the high concentrations of growth factors. However, the short half-life of these therapeutic proteins requires multiple large doses, and their efficacy is highly debated among clinicians. Here we report a method of protecting these proteins and releasing them in a controlled manner via a heparin-based coacervate delivery vehicle to improve wound healing in a porcine model. Platelet-derived proteins incorporated into the coacervate were protected and slowly released over 3weeks in vitro...
March 14, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28314112/can-mesenchymal-stem-cells-pretreated-with-platelet-rich-plasma-modulate-tissue-remodeling-in-a-rat-burn
#12
Hanan Hosni, Laila A Rashed, Soheir Mahfouz, Rania Elsayed Hussein, Marwa Alkaffas, Shaimaa Mostafa, Azza Abusree
AIM: To study the effect of PRP on BM-MSCs proliferation and to investigate their role on healing of experimental burn injury and possible mechanism of action. METHOD: Our work divided into in vitro and in vivo studies. In vitro study included,: MSCs and MSCs treated with PRP. TGF-β level and cell proliferation were assesed. In vivo study, 72 rats divided equally into 6 groups: control, burn, burn with MSCs, burn with PRP, burn with both MSCs and PRP and burn with MSCs pretreated with PRP...
March 17, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28303876/-ultrasonic-examination-of-the-breast-adipose-grafts-after-mammoplasty
#13
E P Fisenko, O I Startseva, D V Mel'nikov, A S Zakharenko, K A Kirillova, A G Ivanova, E D Pishchikova
AIM: To present the results of PRP-adipose grafts implanatation. MATERIAL AND METHODS: The study included 25 patients after transplantation of autologous adipose tissue. Autotransplantation was performed to correct volume defects of breast and to restore lost volume after polyacrylamide gel removal in 4 patients; after mastectomy in 6 cases; after complicated replacement using silicone endoprostheses in 11 patients; after previous reduction in 2 cases; after augmentation mammoplasty in 2 cases...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28301205/intratendon-delivery-of-leukocyte-poor-platelet-rich-plasma-improves-healing-compared-with-leukocyte-rich-platelet-rich-plasma-in-a-rabbit-achilles-tendinopathy-model
#14
Ruijian Yan, Yanjia Gu, Jisheng Ran, Yejun Hu, Zefeng Zheng, Mengfeng Zeng, Boonchin Heng, Xiao Chen, Zi Yin, Weishan Chen, Weiliang Shen, Hongwei Ouyang
BACKGROUND: Chronic tendinopathy is a commonly occurring clinical problem that affects both athletes and inactive middle-aged patients. Although some studies have shown that different platelet-rich plasma (PRP) preparations could exert various therapeutic effects in vitro, the role of leukocytes in PRP has not yet been defined under tendinopathy conditions in vivo. PURPOSE: This study compared the effects of the intratendon delivery of leukocyte-poor PRP (Lp-PRP) versus leukocyte-rich PRP (Lr-PRP) in a rabbit chronic tendinopathy model in vivo...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28296518/effect-of-platelet-rich-plasma-on-rat-achilles-tendon-healing-is-related-to-microbiota
#15
Franciele Dietrich, Malin Hammerman, Parmis Blomgran, Love Tätting, Vinicius Faccin Bampi, Jefferson Braga Silva, Per Aspenberg
Background and purpose - In 3 papers in Acta Orthopaedica 10 years ago, we described that platelet-rich plasma (PRP) improves tendon healing in a rat Achilles transection model. Later, we found that microtrauma has similar effects, probably acting via inflammation. This raised the suspicion that the effect ascribed to growth factors within PRP could instead be due to unspecific influences on inflammation. While testing this hypothesis, we noted that the effect seemed to be related to the microbiota. Material and methods - We tried to reproduce our old findings with local injection of PRP 6 h after tendon transection, followed by mechanical testing after 11 days...
March 15, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28296243/measurement-of-platelet-aggregation-independent-of-patient-platelet-count-a-flow-cytometric-approach
#16
Pernille Just Vinholt, Henrik Frederiksen, Anne-Mette Hvas, Ulrik Sprogøe, Christian Nielsen
BACKGROUND: Methods for testing platelet aggregation in thrombocytopenia are missing. OBJECTIVE: To establish a flow cytometric test of in vitro platelet aggregation independent of the patient platelet count and examined the association of aggregation with bleeding history in thrombocytopenic patients. PATIENTS/METHODS: We established a flow cytometric assay of platelet aggregation and measured samples from healthy individuals pre-incubated with antiplatelet drugs and samples from two patients with inherited platelet disorders...
March 15, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28295124/evaluation-of-the-effect-of-platelet-rich-fibrin-on-long-bone-healing-an-experimental-rat-model
#17
Turan Cihan Dülgeroglu, Hasan Metineren
Pseudoarthrosis, or nonunion, of the long bones is a challenging medical condition for orthopedic surgeons to treat. Therefore, healing enhancer materials are commonly used. The authors investigated whether platelet-rich fibrin accelerates long bone healing by comparing radiological and histological findings in a rat model of open femoral fracture. Platelet-rich fibrin is a current biomaterial that contains many growth factors and platelets. There are no studies in the literature investigating the effects of platelet-rich fibrin on fracture healing...
March 14, 2017: Orthopedics
https://www.readbyqxmd.com/read/28294200/four-year-post-loading-results-of-full-arch-rehabilitation-with-immediate-placement-and-immediate-loading-implants-a-retrospective-controlled-study
#18
Alain Simonpieri, Roberta Gasparro, Giuseppe Pantaleo, Jolanda Mignogna, Francesco Riccitiello, Gilberto Sammartino
OBJECTIVES: The aim of this study was to evaluate implant survival rate and to measure peri-implant bone changes in fullarch rehabilitations with immediate placement and immediate loading implants with platform switching and Morse taper connection, in addition to platelet-rich fibrin (PRF) and buccal bone augmentation, after 4 years of follow-up. METHOD AND MATERIALS: In this retrospective controlled study, patients who had been fully rehabilitated with immediate placement and immediate loading implants were evaluated 4 years post-loading...
March 14, 2017: Quintessence International
https://www.readbyqxmd.com/read/28293429/influence-of-nonsteroidal-anti-inflammatory-drugs-on-aspirin-s-antiplatelet-effects-and-suggestion-of-the-most-suitable-time-for-administration-of-both-agents-without-resulting-in-interaction
#19
Kenta Shibata, Yuuki Akagi, Naofumi Nozawa, Hitoshi Shimomura, Takao Aoyama
BACKGROUND: Low-dose aspirin irreversibly inhibits platelet cyclooxygenase-1 (COX-1) and suppresses platelet aggregation. It is effective for secondary prevention of cardiovascular events. Because nonsteroidal anti-inflammatory drugs (NSAIDs) reversibly bind with COX-1, the antiplatelet effects of aspirin may be suppressed when NSAIDs are co-administered. This interaction could be avoided by avoiding simultaneous administration; however, the minimum interval that should separate the administration of aspirin and loxoprofen is not well known...
2017: Journal of Pharmaceutical Health Care and Sciences
https://www.readbyqxmd.com/read/28292729/pre-analytical-effects-of-pneumatic-tube-system-transport-on-routine-haematology-and-coagulation-tests-global-coagulation-assays-and-platelet-function-assays
#20
Sandra Le Quellec, Mickaël Paris, Christophe Nougier, Frédéric Sobas, Lucia Rugeri, Sandrine Girard, Jean-Claude Bordet, Claude Négrier, Yesim Dargaud
INTRODUCTION: Pneumatic tube system (PTS) in hospitals is commonly used for the transport of blood samples to clinical laboratories, as it is rapid and cost-effective. The aim was to compare the effects on haematology samples of a newly acquired ~2km-long PTS that links 2 hospitals with usual transport (non-pneumatic tube system, NPTS). METHODS: Complete blood cell count, routine coagulation assays, platelet function tests (PFT) with light-transmission aggregometry and global coagulation assays including ROTEM® and thrombin generation assay (TGA) were performed on blood samples from 30 healthy volunteers and 9 healthy volunteers who agreed to take aspirin prior to blood sampling...
December 28, 2016: Thrombosis Research
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