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Стоматология и косметология от профессора Ахмерова

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Сайт рассылки: http://https://renatakhmerov.com/
Открыта: 11-02-2012

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renat119192@gmail.com

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Стоматология и косметология от профессора Ахмерова - Nanosecond Pulse Electric Field Activated-Platelet...


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Выпуск No 100 от 2015-10-09

 

Nanosecond Pulse Electric Field Activated-Platelet Rich Plasma Enhances the Return of Blood Flow to Large and Ischemic Wounds in a Rabbit Model.

Hargrave B1, Li F2.

Author information

1Department of Medical Diagnostics and Translational Science, Old Dominion University, Norfolk, Virginia, USA Frank Reidy Center for Bioelectrics, Old Dominion University, Norfolk, Virginia, USA bhargrav@odu.edu.

2Frank Reidy Center for Bioelectrics, Old Dominion University, Norfolk, Virginia, USA.

Abstract

Platelet-rich plasma is a therapeutic strategy used for accelerating wound healing of a wide range of tissues through the release of platelet growth factors. Here, we describe a nonchemical, safe method for preparing platelet-rich plasma using nanosecond-pulsed electric fields (nsPEFs) and investigated the effect of this platelet-rich plasma on reperfusion of blood in large skin flap or ischemic hind limb wounds in New Zealand White rabbits. Laser Doppler images of blood flow to the dorsal surface of skin flap wounds or to ischemic hind limb wounds were obtained from wounds treated with 0.9% saline or nanosecond-pulsed electric field prepared platelet-rich plasma (nsPRP). Reperfusion in the skin flap wounds was greater in the nsPRP-treated wounds than in the wounds treated with saline on postoperative days 3 (P < 0.001) and 21 (P < 0.03). Reperfusion in the ischemic hind-limb treated with nsPRP was greater than in the saline-treated limb on post-operative Day 3 (P < 0.001), post-operative week 1 (P < 0.025) and post-operative week 4 (P < 0.015). In the hind limb ischemic tissue, the number of endothelial cells, collagen, and cells containing vascular endothelial growth factor (VEGF) was greater in the nsPRP-treated tissue. These results demonstrate that nsPRP improves blood flow in large surgical skin wounds and in ischemic wounds.

Physiol Rep. 2015 Jul;3(7). pii: e12461. doi: 10.14814/phy2.12461.

 
 

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