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Platelet rich plasma skin

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https://www.readbyqxmd.com/read/28207466/the-subunit-principle-in-scar-face-revision
#1
Ahmed Elshahat, Riham Lashin
Facial scaring is considered one of the most difficult cosmetic problems for any plastic surgeon to solve. The condition is more difficult if the direction of the scar is not parallel to relaxed skin tension lines. Attempts to manage this difficult situation included revisions using geometric designs, Z plasties or W plasties to camouflage the straight line visible scaring. The use of long-lasting resorbable sutures was tried too. Recently, the use of botulinum toxin during revision improved the results. Fractional CO2 lasers, microfat grafts, and platelet-rich plasma were added to the armamentarium...
February 15, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28203511/a-retrospective-look-at-integrating-a-novel-regenerative-medicine-approach-in-plastic-limb-reconstruction
#2
Edgardo R Rodriguez Collazo, Christopher R Rathbone, Brian R Barnes
Full-thickness wounds that have rendered patients candidates for amputation may require techniques that may include a combinatorial approach above traditional standard of care. The purpose of this retrospective study was to evaluate the effectiveness of an innovative approach whereby several therapies were combined to avoid amputation. Patients with full-thickness wounds who were previously recommended for amputation and were treated with the combinatorial approach of muscle flap reconstruction and concentrated bone marrow aspirate, platelet-rich plasma, INTEGRA Wound matrix, vacuum-assisted closure, and split-thickness skin grafts were assessed retrospectively...
January 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28175965/effects-of-platelet-rich-plasma-on-tissue-expansion-in-rabbits
#3
Wang Jinming, Liu Caiyue, Wu Baojin, Liu Antang, Zhang Yingfan, Wang Hui, Zhu Lie, Jiang Hua
BACKGROUND: Tissue expansion has been widely applied in clinic practice. However, the expanded skin is always insufficient for clinical use and how to promote tissue expansion is still a challenge. Platelet-rich plasma (PRP) contains multiple tissue growth factors and has been widely utilized in hard- and soft-tissue augmentation. However, its feasibility to promote tissue expansion has not been explored. The purpose of this study was to evaluate the possible effect of PRP in tissue expansion...
February 7, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28161837/autologous-platelet-rich-plasma-prp-in-chronic-penile-lichen-sclerosus-the-impact-on-tissue-repair-and-patient-quality-of-life
#4
Francesco Casabona, Ilaria Gambelli, Federica Casabona, Pierluigi Santi, Gregorio Santori, Ilaria Baldelli
PURPOSE: Lichen sclerosus (LS) is a chronic inflammatory skin condition that frequently involves the anogenital region. Ongoing research is focused on finding more effective treatments for tissue repair and reducing symptoms. The aim of this study is to evaluate the effectiveness of platelet-rich plasma (PRP) local injections in penile LS. METHODS: Forty-five male patients affected by penile LS underwent injections of autologous PRP in the affected skin areas. Age at diagnosis and at first treatment, number of treatments, clinical conditions (phimosis, splitting, inflammation, synechiae, meatus stenosis), symptoms (pain, burning, itching), and functional impairment were considered...
February 4, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28090513/an-update-and-review-of-cell-based-wound-dressings-and-their-integration-into-clinical-practice
#5
REVIEW
Austin Pourmoussa, Daniel J Gardner, Maxwell B Johnson, Alex K Wong
Chronic wounds affect over 4 million individuals and pose a significant burden to the US healthcare system. Diabetes, venous stasis, radiation or paralysis are common risk factors for chronic wounds. Unfortunately, the current standard of care (SOC) has a high relapse rate and these wounds continue to adversely affect patients' quality of life. Fortunately, advances in tissue engineering have allowed for the development of cell-based wound dressings that promote wound healing by improving cell migration and differentiation...
December 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/27975027/use-of-platelet-rich-plasma-for-vulvovaginal-autoimmune-conditions-like-lichen-sclerosus
#6
Fariba Behnia-Willison, Nina Reza Pour, Behrang Mohamadi, Nadia Willison, Madeleine Rock, Ian W Holten, Robert O'Shea, Joseph Miller
BACKGROUND: Lichen sclerosus (LS) is an inflammatory dermatosis with autoimmune pathogenesis. Although relatively common, its true incidence is unknown and likely underestimated. LS is usually anogenital, but in around 10% of patients, it can present as extragenital lesions. Continuous administration of topical corticosteroids is the mainstay of medical treatment. Other treatments are available but are only occasionally prescribed along with or instead of topical steroids. Injection of platelet-rich plasma (PRP) into affected areas has been reported to result in the regeneration of normal skin...
November 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/27966263/molecular-and-microarray-based-analysis-of-diversity-among-resting-and-osteogenically-induced-porcine-mesenchymal-stromal-cells-of-several-tissue-origin
#7
Samet Bayraktar, Pascal Jungbluth, René Deenen, Jan Grassmann, Johannes Schneppendahl, Daphne Eschbach, Armin Scholz, Joachim Windolf, Christoph V Suschek, Vera Grotheer
Mesenchymal stromal cells (MSC) play a pivotal role in modern therapeutic approaches in bone healing disorders. Although bone marrow-derived MSC are most frequently used, the knowledge that many other adult tissues represent promising sources for potent MSC has gained acceptance. In the present study, the osteogenic differentiation potential of porcine skin fibroblasts (FB) as well as bone marrow- (BMSC), adipose tissue- (ASC), and dental pulp-derived stromal cells (DSC) were evaluated. However, additional application of BMP-2 significantly elevated the delayed osteogenic differentiation capacity of ASC and FB cultures...
December 14, 2016: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/27904271/histologic-evidence-of-new-collagen-formulation-using-platelet-rich-plasma-in-skin-rejuvenation-a-prospective-controlled-clinical-study
#8
Ozlem Karabudak Abuaf, Hamza Yildiz, Hüseyin Baloglu, Memet Ersan Bilgili, Hasan Aktug Simsek, Bilal Dogan
BACKGROUND: Platelet-rich plasma (PRP) is an autologous concentration of human platelets contained in a small volume of plasma and has recently been shown to accelerate rejuvenate aging skin by various growth factors and cell adhesion molecules. OBJECTIVE: This study was conducted to evaluate the efficacy and safety of intradermal injection of PRP in the human facial rejuvenation. METHODS: This study was a prospective, single-center, single-dose, open-label, non-randomized controlled clinical study...
December 2016: Annals of Dermatology
https://www.readbyqxmd.com/read/27882464/analysis-of-reparative-activity-of-platelet-lysate-effect-on-cell-monolayer-recovery-in-vitro-and-skin-wound-healing-in-vivo
#9
N S Sergeeva, Ya D Shanskii, I K Sviridova, P A Karalkin, V A Kirsanova, S A Akhmedova, A D Kaprin
Platelet lysate prepared from donor platelet concentrate and pooled according to a developed technique stimulates migration of multipotent mesenchymal stromal cells of the human adipose tissue and promotes healing of the monolayer defect in cultures of human fibroblasts and multipotent mesenchymal stromal cells in vitro in concentrations close those of fetal calf serum (5-10%). Lysate of platelets from platelet-rich rat blood plasma stimulated healing of the skin defect by promoting epithelialization and granulation tissue formation...
November 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27863057/platelet-rich-plasma-based-bioactive-membrane-as-a-new-advanced-wound-care-tool
#10
Raffaele Spanò, Anita Muraglia, Maria R Todeschi, Marta Nardini, Paolo Strada, Ranieri Cancedda, Maddalena Mastrogiacomo
Chronic skin ulcers, consequence of diabetes and other pathological conditions, heavily compromise the patients' life quality and represent a high and constantly growing cost for National Health Services. Autologous Platelet Rich Plasma (PRP), has been proposed to treat these lesions. The absence of guidelines for the PRP production and the need of a fresh preparation for each treatment lead us to develop a protocol for the production of an allogenic PRP based bioactive membrane (BAM), standardized for platelet concentration and growth factor release...
November 13, 2016: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/27827279/plasma-rich-in-growth-factors-promotes-dermal-fibroblast-proliferation-migration-and-biosynthetic-activity
#11
COMPARATIVE STUDY
E Anitua, A Pino, G Orive
OBJECTIVE: The use of plasma rich in growth factors (PRGF) has gained importance in many medical fields due to its regenerative potential. The aim of this study is to evaluate the effects of PRGF on primary skin fibroblasts assessing cell proliferation, migration and secretion of growth factors. The age of the patients from who PRGF was prepared was also studied to determine whether it influenced the outcomes. METHOD: Human dermal fibroblasts were isolated from three healthy volunteers...
November 2, 2016: Journal of Wound Care
https://www.readbyqxmd.com/read/27791311/platelets-rich-plasma-versus-minoxidil-5-in-treatment-of-alopecia-areata-a-trichoscopic-evaluation
#12
Moustafa A El Taieb, Hassan Ibrahim, Essam A Nada, Mai Seif Al-Din
Alopecia areata is a common cause of nonscarring alopecia that occurs in a patchy, confluent, or diffuse pattern. Dermoscopy is a noninvasive technique for the clinical diagnosis of many skin diseases. Topical minoxidil solution 5% and platelet rich plasma are important modalities used in treatment of alopecia areata. We aimed to evaluate the efficacy of PRP versus topical minoxidil 5% in the treatment of AA by clinical evaluation and trichoscopic examination. Ninety patients were allocated into three groups; the first was treated with topical minoxidil 5% solution, the second with platelets rich plasma injections, and the third with placebo...
January 2017: Dermatologic Therapy
https://www.readbyqxmd.com/read/27778229/production-of-endothelial-progenitor-cells-from-skin-fibroblasts-by-direct-reprogramming-for-clinical-usages
#13
Phuc Van Pham, Ngoc Bich Vu, Thuy Thi-Thanh Dao, Ha Thi-Ngan Le, Lan Thi Phi, Ngoc Kim Phan
Endothelial progenitor cells (EPCs) play an important role in angiogenesis. However, they exist in limited numbers in the human body. This study was aimed to produce EPCs, for autologous transplantation, using direct reprogramming of skin fibroblasts under GMP-compliant conditions. Fibroblasts were collected and cultured from the skin in DMEM/F12 medium supplemented with 5% activated platelet-rich plasma and 1% antibiotic-antimycotic solution. They were then transfected with mRNA ETV2 and incubated in culture medium under hypoxia (5% oxygen) for 14 d...
October 24, 2016: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/27761085/outcome-of-intra-operative-injected-platelet-rich-plasma-therapy-during-follicular-unit-extraction-hair-transplant-a-prospective-randomised-study-in-forty-patients
#14
Suruchi Garg
CONTEXT: Platelet-rich plasma (PRP) therapy is finding importance in aesthetic medicine. AIM: The objective of this study was to study efficacy of PRP therapy in follicular unit extraction (FUE) hair transplant. MATERIALS AND METHODS: It is a single-blind, prospective randomised study on 40 FUE hair transplant subjects, allocated in two groups (PRP and non-PRP) alternately. PRP was injected intra-operatively immediately after creating slits over the recipient area in PRP group; and normal saline in non-PRP group...
July 2016: Journal of Cutaneous and Aesthetic Surgery
https://www.readbyqxmd.com/read/27677916/biological-therapies-in-regenerative-sports-medicine
#15
Isabel Andia, Nicola Maffulli
Regenerative medicine seeks to harness the potential of cell biology for tissue replacement therapies, which will restore lost tissue functionality. Controlling and enhancing tissue healing is not just a matter of cells, but also of molecules and mechanical forces. We first describe the main biological technologies to boost musculoskeletal healing, including bone marrow and subcutaneous fat-derived regenerative products, as well as platelet-rich plasma and conditioned media. We provide some information describing possible mechanisms of action...
September 28, 2016: Sports Medicine
https://www.readbyqxmd.com/read/27667786/treatment-of-100-chronic-thalassemic-leg-wounds-by-plasma-rich-platelets
#16
Hojjat Afradi, Yassaman Saghaei, Zohre A Kachoei, Vahid Babaei, Shahram Teimourian
OBJECTIVE: Thalassemia is a heterogeneous group of congenital hemoglobinopathies caused by mutations in the globin gene complex that result in an unbalanced globin synthesis. Unmatched globin chains bind to the cytosolic surface of red blood cell membrane where they cause oxidative damage that might in part be responsible for membrane weakness. The deformability of red blood cells and hypercoagulable state in thalassemic patients have been incriminated in leg ulcer formation, as this might cause ischemia to the skin and consequently friability and ulceration...
September 26, 2016: International Journal of Dermatology
https://www.readbyqxmd.com/read/27595866/platelet-rich-plasma-and-hyaluronic-acid-an-efficient-biostimulation-method-for-face-rejuvenation
#17
Betul Gozel Ulusal
BACKGROUND: Cosmetic applications of platelet-rich plasma (PRP) are new, and reports are scarce and dispersed in the literature. There are a variety of commercially available kits and injection techniques, and the number and intervals of injections vary. New investigations should focus on developing a standardized procedure for PRP preparation and application methods to augment its efficacy and potency. OBJECTIVES: In this report, we aim to provide data and commentary to assist and add to current guidelines...
September 5, 2016: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/27555889/easy-to-use-preservation-and-application-of-platelet-rich-plasma-in-combination-wound-therapy-with-a-gelatin-sheet-and-freeze-dried-platelet-rich-plasma-a-case-report
#18
Naoki Morimoto, Natsuko Kakudo, Tsunekata Ogura, Tomoya Hara, Makoto Matsui, Masaya Yamamoto, Yasuhiko Tabata, Kenji Kusumoto
OBJECTIVE: Platelet-rich plasma is blood plasma enriched with platelets and contains various growth factors. Two major issues remain to be resolved in the use of platelet-rich plasma: the short biological activity after application, and the need to prepare platelet-rich plasma at each application instance. To overcome these problems, we developed a drug delivery system using gelatin hydrogel and preserved the excess platelet-rich plasma as freeze-dried platelet-rich plasma. We then applied combination treatment with a gelatin sheet and platelet-rich plasma at the first instance and freeze-dried platelet-rich plasma at the second instance in the treatment of a nonhealing wound...
2016: Eplasty
https://www.readbyqxmd.com/read/27530764/micro-needling-depth-penetration-presence-of-pigment-particles-and-fluorescein-stained-platelets-clinical-usage-for-aesthetic-concerns
#19
Gordon H Sasaki
BACKGROUND: Aesthetic micro-needling (MN) has demonstrated skin permeability to cosmeceutical ingredients and platelet-rich plasma by creating reversible micro-channels in the skin. OBJECTIVES: The purposes of this study were to determine: (1) actual needle depth-penetrations by adjusting needle lengths in a disposable tip of an electric MN device; (2) time-dependent passage of pigment and platelets; and (3) safety and efficacy profiles in patients. METHODS: Excised micro-needled pre-auricular skin was used to determine actual depths of tissue penetration with six needle lengths, and the presence of massaged pigment particles (histological examination) and fluorescein-labeled platelets (confocal laser microscopy) in 1 mm depth micro-channels over an hour...
January 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/27508491/anti-staphylococcal-activity-of-injectable-nano-tigecycline-chitosan-prp-composite-hydrogel-using-drosophila-melanogaster-model-for-infectious-wounds
#20
T R Nimal, Gaurav Baranwal, M C Bavya, Raja Biswas, R Jayakumar
Compared to the current treatment modalities, the use of an injectable hydrogel system, loaded with antibiotic encapsulated nanoparticles for the purpose of treating Staphylococcus aureus (S. aureus) chronic wound infections have several advantages. These include adhesiveness to infection site, reduced frequency of dressings, sustained drug release, inhibition of bacterial growth, and increased healing. In the present work tigecycline nanoparticles were loaded into chitosan-platelet-rich plasma (PRP) hydrogel...
August 31, 2016: ACS Applied Materials & Interfaces
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