scholarly journals Regenerative Wound Healing by Open Grafting of Autologous Fat and PRP-Gel – A New Concept and Potential Alternative to Flaps

2021 ◽  
Vol 9 (1) ◽  
pp. e3349
Author(s):  
Mohan Rangaswamy
Keyword(s):  
Wound Healing ◽  
Autologous Fat ◽  
Potential Alternative ◽  
Prp Gel

scholarly journals Collagen quantification in rabbit dermal wounds treated with heterologous platelet-rich plasma gel

2017 ◽  
Vol 38 (1) ◽  
pp. 249 ◽  
Author(s):  
Maria Elisa Marin Marques ◽  
Cecília Braga Laposy ◽  
Mariana Lucas Dos Santos Silva ◽  
Maria Rosa Santos Breda ◽  
Mayara Mascaro Matsumoto ◽  
...  
Keyword(s):  
Wound Healing ◽  
Adverse Reactions ◽  
Platelet Rich Plasma ◽  
Healing Process ◽  
Clinical Signs ◽  
Polarized Light ◽  
Clinical Aspects ◽  
Control Group ◽  
Wound Healing Process ◽  
Prp Gel

Platelet-rich plasma (PRP) has been extensively studied as a biomaterial for wound treatment, and the heterologous PRP is usefulin the event that obtaining the patient’s own blood is impossible. This study aimed to evaluate and compare wound healing in rabbits and quantify the collagen in experimentally induced wounds in a control group and in a group treated with heterologous PRP gel. We hypothesize that this gelis capable of promoting proper healing with no adverse reactions, increased collagen content. The clinical aspects of coloring, edema, hyperemia, exudation, crust, granulation, pain sensitivity, and retraction index of the wounds were measuredon days 7, 14, and 17 after the injury. Collagen quantification by Picrosirius staining and evaluation under polarized light was performed on the 17th day. Crust was present in both groups at all evaluated time points, with the absence of other clinical signs. The wound contraction rate and collagen quantity did not differ between groups. In conclusion, the suggested hypothesis was partially confirmed; the heterologous PRP gel was unable to increase the amount of collagen and accelerate the wound healing process, however, wound healing was efficient and similar in both groups and there was no local adverse reaction. Thus, despite the scarcity of studies in the literature, the heterologous PRP gel is an effective alternative treatment for wounds in the absence of other sources of PRP.

scholarly journals ANALISA GEL KOMBINASI PLATELET RICH PLASMA DAN CHITOSAN TERHADAP PENINGKATAN JUMLAH OSTEOBLAS SEBAGAI BONE REGENERATION PADA LUKA PASCA EKSTRAKSI GIGI TIKUS WISTAR

2018 ◽  
Vol 5 (2) ◽  
pp. 89
Author(s):  
Intan Maryani ◽  
Yayun Siti Rochmah ◽  
Anang Dwi Parmana
Keyword(s):  
Wound Healing ◽  
Growth Factors ◽  
Bone Regeneration ◽  
Povidone Iodine ◽  
Platelet Rich Plasma ◽  
Control Group ◽  
Osteoprogenitor Cell ◽  
Control Group Design ◽  
Prp Gel ◽  
Chitosan Gel

Background: Extraction has been known as a method for removing the tooth from its socket. Although extraction is frequent, the incidence of post extraction complication are commonly found, about 2,6-30,9%. Complications can inhibit wound healing and bone regeneration of socket. PRP is Platelet Rich Plasma containing growth factors that plays an important role in wound healing, induces bone regeneration and stimulates osteoprogenitor cell into osteoblast cell. Chitosan is a chitin derivate that extracted from the crab shells through deacetylation stage. Chitosan properties are osteoinductive, biocompatible, biodegradable, cell proliferation, antimicrobial, antioxidant, antitumor, and stimulates growth factors capabilities. Purpose: To analyze the combination of PRP and Chitosan gel to increase the number of osteoblast in post extraction wound of wistar rat teeth.Method: True experimental post-test only control group design was done in 28 wistar rats. Sample were divided into 4 groups: PRP gel, combination PRP and Chitosan gel, Chitosan gel and control group Povidone Iodine. Dextra Mandible incisors were extracted and treated accordingly. Number of osteoblast in post extraction socket was observed microscopically after 14 days using IHC staining. Data analyzed by using One Way ANOVA parametric test followed by Post Hoc LSD test.Results: There were statically signifcant di?erence between number of osteoblast in combination PRP and Chitosan gel group compare to PRP gel group (p=0,736), Chitosan gel group (p=0,402) and Povidone Iodine group (p=0,613).Conclusion: Combination PRP and Chitosan gel has a good e?ect in increasingnumber of osteoblast in wound healing post dental extraction

scholarly journals Protocol for a systematic review of autologous fat grafting for wound healing

2018 ◽  
Vol 7 (1) ◽  
Author(s):  
Joshua Luck ◽  
Oliver J. Smith ◽  
Dean Malik ◽  
Afshin Mosahebi
Keyword(s):  
Systematic Review ◽  
Wound Healing ◽  
Fat Grafting ◽  
Autologous Fat Grafting ◽  
Autologous Fat

ultrastructural process of intestinal wound healing

1995 ◽  
Vol 53 ◽  
pp. 1024-1025
Author(s):  
Rick L. Vaughn ◽  
Shailendra K. Saxena ◽  
John G. Sharp
Keyword(s):  
Wound Healing ◽  
Epithelial Cells ◽  
Smooth Muscles ◽  
Microscopic Level ◽  
Light Microscopic Level ◽  
Ileal Mucosa ◽  
Wound Model ◽  
Serosal Surface ◽  
Complex Process ◽  
Orderly Fashion

We have developed an intestinal wound model that includes surgical construction of an ileo-cecal patch to study the complex process of intestinal wound healing. This allows approximation of ileal mucosa to the cecal serosa and facilitates regeneration of ileal mucosa onto the serosal surface of the cecum. The regeneration of ileal mucosa can then be evaluated at different times. The wound model also allows us to determine the rate of intestinal regeneration for a known size of intestinal wound and can be compared in different situations (e.g. with and without EGF and Peyer’s patches).At the light microscopic level it appeared that epithelial cells involved in regeneration of ileal mucosa originated from the enlarged crypts adjacent to the intestinal wound and migrated in an orderly fashion onto the serosal surface of the cecum. The migrating epithelial cells later formed crypts and villi by the process of invagination and evagination respectively. There were also signs of proliferation of smooth muscles underneath the migratory epithelial cells.

Healing gone wrong: convergence of hemostatic pathways and liver fibrosis?

2020 ◽  
Vol 134 (16) ◽  
pp. 2189-2201
Author(s):  
Jessica P.E. Davis ◽  
Stephen H. Caldwell
Keyword(s):  
Wound Healing ◽  
Liver Disease ◽  
Hepatic Fibrosis ◽  
Cell Activation ◽  
Stellate Cell ◽  
Factor Xa ◽  
Clinical Trial Data ◽  
Chronic Liver ◽  
Healing Response ◽  
Wound Healing Response

Abstract Fibrosis results from a disordered wound healing response within the liver with activated hepatic stellate cells laying down dense, collagen-rich extracellular matrix that eventually restricts liver hepatic synthetic function and causes increased sinusoidal resistance. The end result of progressive fibrosis, cirrhosis, is associated with significant morbidity and mortality as well as tremendous economic burden. Fibrosis can be conceptualized as an aberrant wound healing response analogous to a chronic ankle sprain that is driven by chronic liver injury commonly over decades. Two unique aspects of hepatic fibrosis – the chronic nature of insult required and the liver’s unique ability to regenerate – give an opportunity for pharmacologic intervention to stop or slow the pace of fibrosis in patients early in the course of their liver disease. Two potential biologic mechanisms link together hemostasis and fibrosis: focal parenchymal extinction and direct stellate cell activation by thrombin and Factor Xa. Available translational research further supports the role of thrombosis in fibrosis. In this review, we will summarize what is known about the convergence of hemostatic changes and hepatic fibrosis in chronic liver disease and present current preclinical and clinical data exploring the relationship between the two. We will also present clinical trial data that underscores the potential use of anticoagulant therapy as an antifibrotic factor in liver disease.

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