platelets are a natural source of growth factors and cytokines that promote wound healing, and platelet-rich fibrin contains concentrated growth factors. growth factors in platelet-rich fibrin may promote wound repair. in this study the effect of platelet-rich fibrin was evaluated in a dog model of cutaneous incisional wounds using histology and semi-quantitative evaluation. a pair of ten-centi...

Although platelet-rich plasma (PRP) is the plasma fraction that contains higher levels of platelet-sequestered proteins such as growth factors and chemokines, it is also abundant in bioactive lipids whose role in wound healing has not been well characterized. This study provides a preliminary evaluation for the effect of the lipid component of PRP on selected genes related to wound healing. Spr...

BACKGROUND Light transmission aggregometry (LTA) can be performed with microtiter plates (96-well LTA). When conducting LTA, an agonist is added to platelet-rich plasma and the sample is shaken for minutes after which absorbance readings are done. Platelet aggregation is detected as decrease in absorbance. However, the classical method is cumbersome and therefore microtiter plates can be used f...

Objective- To evaluate the effects of autologous platelet-rich plasma (PRP) on wound healing in dogs. Design- Experimental in-vivo study. Animals- 5 mix-breed male adult dogs. Procedures- Under general anesthesia, six 2 × 2-cm, full-thickness skin wounds were created on the back of dogs symmetrically. In each dog, three right side wounds were treated topically with 1.5 ml PRP jelly, whereas lef...

The consequences of inhibiting the metabolism of prostaglandin G2 to thromboxane A2 in man were studied by using an inhibitor of thromboxane synthase, 4-[2-(IH-imidazol-1-yl)ethoxy] benzoic acid hydrochloride (dazoxiben). Single doses of 25, 50, 100, and 200 mg of dazoxiben were administered to healthy volunteers at 2-wk intervals in a randomized, placebo-controlled, double-blind manner. Serum ...

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Introduction: The complications of dengue are related to reduced intravascular volume following plasma leakage. Thrombocytopenia or platelet dysfunctions detected in all stages the illness and clinical outcome. main objective study was correlate absolute count onset leaking phase patients who had entered into after hospital admission. Methods: One hundred sixteen (age range 14-74 years, median ...

Background: Healing involves complex processes that are not yet fully known. The wound healing process consists of three stages. In all these stages, normal wound healing requires platelet activation, release of cytokines and growth hormones, and chemotaxis and cell differentiation. Platelets play a key role in homeostasis and wound healing and growth factor production of more than 30 carried o...

Introduction: Gold standard for alveolar cleft bone grafting is autogenous bone. Advantage of adding the growth factors to the bone is established, so adding PRF to the autogenous bone may have beneficial effects. Methods:  Platelet-rich plasma admixed with autogenous bone and as a biologic membrane over the bone grafted alveolar cleft was used. Results:  Autogenous bone in all (four cases...

STUDY DESIGN In vitro assessment of the effects of platelet-rich plasma on the extracellular matrix metabolism of porcine intervertebral disc cells. OBJECTIVES To determine whether platelet-rich plasma is effective in stimulating cell proliferation and extracellular matrix metabolism by porcine disc cells cultured in alginate beads. SUMMARY OF BACKGROUND DATA Platelet-rich plasma is used to...