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Daily Archives for: June 1st, 2009

Improvements in resuscitation, dissemination of ATLS protocols, and growth of regional and local trauma centers has increased the survivability after severe traumatic injuries. Furthermore, advances in medical management have increased life expectancy and also patients with orthopaedic injuries. While mechanical stabilization has been a hallmark of orthopaedic fracture care, orthobiologics are playing an increasing role in the management of these patients with complex injuries.

Purpose To investigate the potential role of autologous platelet-rich plasma in promoting healing in dormant corneal ulcers.

Design
Prospective, consecutive, interventional, noncomparative, nonrandomized, observational study.

Participants
Forty eyes of 38 patients with dormant corneal ulcers.

Methods
Autologous platelet-rich plasma was used in a total of 40 eyes with dormant corneal ulcers divided into 2 groups: group I,

Contemporary management of chronic wounds focuses on improving natural healing and individualization of results. Incorporating multiple therapies has become increasingly common. Of interest are autologous growth factors, which are especially important in chronic wound healing and may contribute to tissue formation and epithelialization. Autologous platelet concentrate or platelet-rich plasma (PRP) is a concentration of at least five autologous growth factors and has been shown to accelerate wound healing and may have infection-fighting properties.

Purpose The extraction of mesioangular impacted third molars may cause multiple periodontal defects at the distal root of the second molar. Platelet-rich plasma (PRP) is a material containing many autologous growth factors that may be used in repairing and preventing periodontal complications at the distal root of the second molar adjacent to the extracted third molar.

The application of autologous platelets that have been sequestered, concentrated, and mixed with thrombin to create growth factor-concentrated, autologous platelet-rich plasma for application to soft tissue wounds and for osseous healing has been a subject of great interest for much of the past 2 decades. Autologous platelet-rich plasma, which consists of both quantitative and qualitative components,

Biomedical sciences have made major advances in understanding how tissues repair, and the signalling mechanisms required to achieve this goal are progressively being dissected. Advances in the understanding of tissue repair mechanisms and the pivotal role of growth factors have stimulated the use of platelet-rich therapies by orthopaedic surgeons and sports physicians, mainly with the aim of stimulating and enhancing tissue healing.

Circulation-derived cells play a crucial role in the healing processes of tissue. In early phases of tendon healing processes, circulation-derived cells temporarily exist in the wounded area to initiate the healing process and decrease in number with time. We assumed that a delay of time-dependent decrease in circulation-derived cells could improve the healing of tendons.

Platelet-rich plasma (PRP) is used as a source of growth factors to stimulate and accelerate bone formation and soft tissue healing. The use of PRP in bone regeneration, both around dental implants and in periodontic resultss, has become particularly appealing. The aim of this study was to evaluate the effect of PRP in an experimental model of osteogenesis around laminar implants.

Purpose: Platelets, which contain many growth factors, such as platelet-derived growth factor (PDGF) and transforming growth factor-[beta] (TGF-[beta]), can be obtained in high concentrations by centrifugal separation and are being used as platelet-rich plasma (PRP) in clinical applications. The authors evaluated the bone formation ability by PRP in rabbits.

Materials and Methods: In experiment 1,