نتایج جستجو برای: pemf

تعداد نتایج: 198  

2015
Sabrina Ehnert Karsten Falldorf Anne-Kristin Fentz Patrick Ziegler Steffen Schröter Thomas Freude Björn G. Ochs Christina Stacke Michael Ronniger Jens Sachtleben Andreas K. Nussler

For many years electromagnetic fields (EMFs) have been used clinically with various settings as an exogenous stimulation method to promote fracture healing. However, underlying mechanisms of action and EMF parameters responsible for certain effects remain unclear. Our aim was to investigate the influence of defined EMFs on human osteoblasts' and osteoclasts' viability and function. Primary huma...

2016
Da Jing Mingming Zhai Shichao Tong Fei Xu Jing Cai Guanghao Shen Yan Wu Xiaokang Li Kangning Xie Juan Liu Qiaoling Xu Erping Luo

Treatment of osseous defects remains a formidable clinical challenge. Porous titanium alloys (pTi) have been emerging as ideal endosseous implants due to the excellent biocompatibility and structural properties, whereas inadequate osseointegration poses risks for unreliable long-term implant stability. Substantial evidence indicates that pulsed electromagnetic fields (PEMF), as a safe noninvasi...

Journal: :Journal of orthopaedic research : official publication of the Orthopaedic Research Society 2004
Thomas L Smith Donna Wong-Gibbons Jane Maultsby

PURPOSE Pulsed electromagnetic fields (PEMF) are used clinically to expedite healing of fracture non-unions, however, the mechanism of action by which PEMF stimulation is effective is unknown. The current study examined the acute effects of PEMF stimulation on arteriolar microvessel diameters in the rat cremaster muscle. The study hypothesis was that PEMF would increase arteriolar diameters, a ...

Journal: :bulletin of emergency and trauma 0
maryam tasbih-forosh neurophysiology research center, urmia university of medical sciences, urmia, iran leila zarei solid tumor research center, urmia university of medical sciences, urmia, iran ehsan saboory neurophysiology research center, urmia university of medical sciences, urmia, iran mehran bahrami-bukani student research committee, urmia university of medical sciences, urmia, iran

objective: to assess the effect of combination of pulsed electromagnetic fields (pemf) with predatory stress on transected sciatic nerve regeneration in rats.  methods: in sham- operated group (sog) the nerve was manipulated and left intact. the 10-mm rat sciatic nerve gap was created in rats. in transected group (transected) nerve stumps were sutured to adjacent muscle and in vein graft group ...

2017
Huihui Zhou Bingfeng Liu Qisong Wang Jianmin Sun Guojun Xie Nanqi Ren Zhiyong Jason Ren Defeng Xing

BACKGROUND Microbial extracellular electron transfer (EET) is essential in driving the microbial interspecies interaction and redox reactions in bioelectrochemical systems (BESs). Magnetite (Fe3O4) and magnetic fields (MFs) were recently reported to promote microbial EET, but the mechanisms of MFs stimulation of EET and current generation in BESs are not known. This study investigates the behav...

2018
NaRi Seo Sung-Ho Lee Kyung Won Ju JaeMan Woo BongJu Kim SoungMin Kim Jeong Won Jahng Jong-Ho Lee

Bone marrow-derived mesenchymal stem cells (BMSCs) have been shown to promote the regeneration of injured peripheral nerves. Pulsed electromagnetic field (PEMF) reportedly promotes the proliferation and neuronal differentiation of BMSCs. Low-frequency PEMF can induce the neuronal differentiation of BMSCs in the absence of nerve growth factors. This study was designed to investigate the effects ...

Journal: :Journal of the peripheral nervous system : JPNS 2009
Abrahão Fontes Baptista Bruno Teixeira Goes Diego Menezes Flávia Carvalho Alcantara Gomes João Zugaib Joice Stipursky Joyce R S Gomes Júlia Teixeira Oliveira Marcos André Vannier-Santos Ana Maria Blanco Martinez

The use of electromagnetic fields has been reported to enhance peripheral nerve regeneration. This study aimed to identify the effects of a prolonged protocol of low-frequency pulsed electromagnetic field (PEMF) on peripheral nerve regeneration. Thirty-four male Swiss mice (Mus musculus) were divided into PEMF (n = 17) and control (n = 17) groups. All animals underwent a unilateral sciatic-crus...

Objective(s): This study aimed to determine whether exposure to pulsed electromagnetic field (PEMF) can impair behavioral failure as induced by PTSD, and also its possible effects on hippocampal neurogenesis. PEMF was used as a non-invasive therapeutic tool in psychiatry.Materials and Methods: Male rats were divided into Control-Sham exp...

Journal: :Pain research & management 2007
Alex W Thomas Karissa Graham Frank S Prato Julia McKay Patricia Morley Forster Dwight E Moulin Sesh Chari

Exposure to a specific pulsed electromagnetic field (PEMF) has been shown to produce analgesic (antinociceptive) effects in many organisms. In a randomized, double-blind, sham-controlled clinical trial, patients with either chronic generalized pain from fibromyalgia (FM) or chronic localized musculoskeletal or inflammatory pain were exposed to a PEMF (400 microT) through a portable device fitte...

Journal: :The Clinical journal of pain 2017
Maryam Khooshideh Seyedeh Sakineh Latifi Rostami Mahdi Sheikh Batool Ghorbani Yekta Ali Shahriari

OBJECTIVES To evaluate the efficacy of pulsed electromagnetic field (PEMF) in relation to reducing postoperative pain, analgesic use, and wound healing in patients undergoing Cesarean section (C-section). METHODS This randomized, double-blind, placebo-controlled trial evaluated 72 women who underwent elective C-section. Thirty-six patients were assigned to the active-PEMF and 36 to the sham-P...

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