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Microcurrent

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https://www.readbyqxmd.com/read/28772035/bioelectrical-signals-improve-cardiac-function-and-modify-gene-expression-of-extracellular-matrix-components
#1
Karin Macfelda, Barbara Kapeller, Alexander Holly, Bruno K Podesser, Udo Losert, Kersten Brandes, Peter Goettel, Johannes Mueller
AIMS: Beyond the influence of stimulating devices on cardiac excitation, their use in treating patients with heart failure has positive effects on the myocardium at the molecular level. Electrical signals can induce a wide spectrum of effects in living tissue. Therefore, we sought to determine whether applying electrical microcurrent directly to failing hearts leads to functional improvement. METHODS AND RESULTS: Sixteen male spontaneously hypertensive rats (SHRs) with heart failure underwent application of a patch electrode to the left ventricular epicardium and placement of a subcutaneous counter electrode...
August 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28658177/short-term-microcurrent-electrical-neuromuscular-stimulation-to-improve-muscle-function-in-the-elderly-a-randomized-double-blinded-sham-controlled-clinical-trial
#2
RANDOMIZED CONTROLLED TRIAL
Dong Rak Kwon, Jihoon Kim, Yongmin Kim, Sungho An, Jinmyoung Kwak, Sungjae Lee, Suyeon Park, Yoon Hee Choi, Yang Kyun Lee, Ji Woong Park
BACKGROUND: Microcurrent electrical neuromuscular stimulation (MENS) has been suggested to improve muscle function and restore damaged muscle. However, current evidence is insufficient to determine the effectiveness of this therapy in age-dependent muscle weakness. Therefore, a prospective, randomized, double-blinded, sham-controlled clinical trial was designed to evaluate the effects of short-term MENS on muscle function in the elderly. METHODS: A total of 38 healthy elderly participants aged 65 years and above were enrolled and randomly divided into 2 stimulation groups: real or sham MENS group...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28289642/therapeutic-effect-of-microcurrent-therapy-in-children-with-in-toeing-gait-caused-by-increased-femoral-anteversion-a-pilot-study
#3
Jae Ki Ahn, Dong Rak Kwon, Gi-Young Park, Ki-Hoon Lee, Jae Hwal Rim, Won Bin Jung, Dae Gil Kwon
OBJECTIVE: To investigate the efficacy of portable microcurrent therapy device (PMTD) of the hip internal rotators in the treatment of in-toeing gait caused by increased femoral anteversion in children over 8 years of age. METHODS: Eleven children (22 legs; 4 boys and 7 girls; mean age, 10.4±1.6 years) with in-toeing gait caused by increased femoral anteversion were included in the present study. All children received 60 minutes of PMTD (intensity, 25 µA; frequency, 8 Hz) applied to the hip internal rotators daily for 4 weeks...
February 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28266863/microcurrent-point-stimulation-applied-to-lower-back-acupuncture-points-for-the-treatment-of-nonspecific-neck-pain
#4
Kelly Armstrong, Raman Gokal, Antoine Chevalier, William Todorsky, Mike Lim
OBJECTIVES: Although acupuncture and microcurrent are widely used for chronic pain, there remains considerable controversy as to their therapeutic value for neck pain. We aimed to determine the effect size of microcurrent applied to lower back acupuncture points to assess the impact on the neck pain. DESIGN: This was a cohort analysis of treatment outcomes pre- and postmicrocurrent stimulation, involving 34 patients with a history of nonspecific chronic neck pain...
April 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28249525/note-a-temperature-stable-low-noise-transimpedance-amplifier-for-microcurrent-measurement
#5
Kai Xie, Xueyou Shi, Kai Zhao, Lixin Guo, Hanlu Zhang
Temperature stability and noise characteristics often run contradictory in microcurrent (e.g., pA-scale) measurement instruments because low-noise performance requires high-value resistors with relatively poor temperature coefficients. A low-noise transimpedance amplifier with high-temperature stability, which involves an active compensation mechanism to overcome the temperature drift mainly caused by high-value resistors, is presented. The implementation uses a specially designed R-2R compensating network to provide programmable current gain with extra-fine trimming resolution...
February 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28052647/the-modulative-effects-of-microcurrent-electrical-nerve-stimulation-on-diabetic-mice
#6
Wen-Ching Huang, Wen-Chieh Chang, Yi-Ju Hsu, Chun-Feng Huang, Chi-Chang Huang, Cheng-Yan Kao, Che-Li Lin
Diabetes (one of non-communicable diseases) is serious due to its complications, such like, cardiovascular ailments, neuropathy, nephropathy, retinopathy, wound gangrene and sexual impotence. Diabetes and associated chronic conditions are rapidly emerging as major health problems. In clinical, there were different drugs for diabetes treatment on different mechanisms. However, there were limited studies on the efficacy of electric stimulations on diabetes therapeutic application. In current study, we try to evaluate the effect of microcurrent electrical nerve stimulator (MENS) on diabetes modulation as an alternative medicine...
February 28, 2017: Chinese Journal of Physiology
https://www.readbyqxmd.com/read/27942989/efficacy-of-femtosecond-lasers-for-application-of-acupuncture-therapy
#7
Mika Ohta, Yoichiroh Hosokawa, Naoya Hatano, Aki Sugano, Akihiko Ito, Yutaka Takaoka
Acupuncture treatment utilizes the stimulation of metal acupuncture needles that are manually inserted into a living body. In the last decades, laser light has been used as an alternative to needles to stimulate acupuncture points. We previously reported suppression of myostatin (Mstn) gene expression in skeletal muscle by means of femtosecond laser (FL) irradiation, after electroacupuncture, in which acupuncture needles are stimulated with a low-frequency microcurrent. The purpose of the study here was to investigate the efficacy of FL irradiation in mouse skeletal muscle with regard to protein synthesis...
December 10, 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/27876738/-treatment-with-the-use-of-microcurrent-lymphatic-drainage-physiotherapy-during-the-postoperative-period-following-rhinoplastic-surgery
#8
T A Aleksanyan, E V Kazantsev
The objective of the present study was to evaluate the effectiveness of the combined treatment of the patients who had undergone either primary or secondary rhinoplastic surgery with the use of photo- and magnetic therapy in comparison with the effectiveness of phototherapy in the combination with microcurrent therapy. The patients were divided into four groups depending on the type of the surgical intervention and the mode of the combined physiotherapeutic treatment. All the patients were given combined physiotherapeutic treatment in addition to the standard pharmacotherapy starting from the second day of the postoperative period...
2016: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/27774272/microcurrent-stimulation-promotes-reverse-remodelling-in-cardiomyocytes
#9
Barbara Kapeller, Johannes Mueller, Udo Losert, Bruno K Podesser, Karin Macfelda
AIMS: It has been shown that electrical stimulation can improve tissue repair in patients. Imbalances in the extracellular matrix composition induce manifestation of heart failure. Here we investigated the application of microcurrent (MC) to modulate the expression of matrix metalloproteinases (MMPs) and tissue inhibitor of metalloproteinases (TIMPs) in cardiomyocytes in vitro and in vivo to reverse remodelling in the heart in spontaneous hypertensive rats (SHR). METHODS: Cardiomyocytes from young SHR (7 months) and old SHR (14 months) were stimulated in vitro and in vivo with MC...
June 2016: ESC Heart Failure
https://www.readbyqxmd.com/read/27746636/investigating-effects-of-nano-to-micro-ampere-alternating-current-stimulation-on-trichophyton-rubrum-growth
#10
Dong Rak Kwon, Hyunjung Kwon, Woo Ram Lee, Joonsoo Park
BACKGROUND: Fungi are eukaryotic microorganisms including yeast and molds. Many studies have focused on modifying bacterial growth, but few on fungal growth. Microcurrent electricity may stimulate fungal growth. OBJECTIVE: This study aims to investigate effects of microcurrent electric stimulation on Trichophyton rubrum growth. METHODS: Standard-sized inoculums of T. rubrum derived from a spore suspension were applied to potato dextrose cornmeal agar (PDACC) plates, gently withdrawn with a sterile pipette, and were applied to twelve PDACC plates with a sterile spreader...
October 2016: Annals of Dermatology
https://www.readbyqxmd.com/read/27433298/wireless-microcurrent-generating-antimicrobial-wound-dressing-in-primary-total-knee-arthroplasty-a-single-center-experience
#11
James Chow
The spread of multidrug-resistant bacteria and financial burden of periprosthetic joint infection (PJI) further the need for treatments to address pathogenic contamination and expedite healing. This retrospective study was a chart review of a series of 92 patients who underwent 100 total knee arthroplasties performed by the same surgeon and treated with a novel microcurrent-generating antimicrobial dressing (MCD). Mean hospital length of stay was 2.3±0.9 days, while the mean length of treatment with MCD was 8...
June 27, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/27410472/antimicrobial-activity-of-a-bioelectric-dressing-using-an-in-vitro-wound-pathogen-colony-drip-flow-reactor-biofilm-model
#12
H Kim, M Izadjoo
OBJECTIVE: We performed in vitro antibiofilm testing of a silver and zinc containing microcurrent generating bioelectric dressing (BED) against clinical wound pathogens to determine its efficacy in preventing biofilm formation under low shear and continuous flow conditions, simulating wound infection environments. METHOD: We customised an in vitro colony drip-flow reactor (DFR) biofilm model for efficacy evaluation of BED. Each bacterial pathogen was diluted to 10(4)CFU/ml and inoculated on the polycarbonate filter membrane as an abiotic support...
July 2016: Journal of Wound Care
https://www.readbyqxmd.com/read/27358158/efficacy-of-pulsed-low-intensity-electric-neuromuscular-stimulation-in-reducing-pain-and-disability-in-patients-with-myofascial-syndrome
#13
P Iodice, G Lessiani, G Franzone, G Pezzulo
Myofascial pain syndrome (MPS) is characterized by chronic pain in multiple myofascial trigger points and fascial constrictions. In recent years, the scientific literature has recognized the need to include the patient with MPS in a multidimensional rehabilitation project. At the moment, the most widely recognized therapeutic methods for the treatment of myofascial syndrome include the stretch and spray pressure massage. Microcurrent electric neuromuscular stimulation was proposed in pain management for its effects on normalizing bioelectricity of cells and for its sub-sensory application...
April 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/27283591/electrotherapy-modalities-for-rotator-cuff-disease
#14
REVIEW
Matthew J Page, Sally Green, Marshall A Mrocki, Stephen J Surace, Jessica Deitch, Brodwen McBain, Nicolette Lyttle, Rachelle Buchbinder
BACKGROUND: Management of rotator cuff disease may include use of electrotherapy modalities (also known as electrophysical agents), which aim to reduce pain and improve function via an increase in energy (electrical, sound, light, or thermal) into the body. Examples include therapeutic ultrasound, low-level laser therapy (LLLT), transcutaneous electrical nerve stimulation (TENS), and pulsed electromagnetic field therapy (PEMF). These modalities are usually delivered as components of a physical therapy intervention...
June 10, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27138327/effects-of-microcurrent-therapy-on-excisional-elastic-cartilage-defects-in-young-rats
#15
Edson Pereira Tangerino Filho, José Luis Fachi, Israel Costa Vasconcelos, Glaucia Maria Tech Dos Santos, Fernanda Aparecida Sampaio Mendonça, Andrea Aparecida de Aro, Edson Rosa Pimentel, Marcelo Augusto Marretto Esquisatto
The effects of microcurrent application on the elastic cartilage defects in the outer ear of young animals were analyzed. Sixty male Wistar rats were divided into a control (CG) and a treated group (TG). An excisional lesion was created in the right outer ear of each animal. Daily treatment was started after 24h and consisted of the application of a low-intensity (20μA) continuous electrical current to the site of injury for 5min. The animals were euthanized after 7, 14 and 28 days of injury and the samples were submitted to analyses...
June 2016: Tissue & Cell
https://www.readbyqxmd.com/read/26998030/enhancement-of-delay-eyelid-conditioning-by-microcurrent-electrical-stimulation-of-the-medial-prefrontal-cortex-is-triggered-by-the-expression-of-fos-protein-in-guinea-pigs
#16
Ya-Juan Zheng, Yu-Chen Dong, Chao Zhu, Mei-Sheng Zhao
Eyelid conditioning, including delay eyelid conditioning and trace eyelid conditioning, has been used extensively to study neural structures and mechanisms of learning and memory as a form of associative learning. In the present study, microcurrent electrical stimulation was used to stimulate the medial prefrontal cortex (mPFC) to induce delay eyelid conditioning in guinea pigs. The acquisition rate and relative latency of the conditioned eyelid response (CR) and the startle eyelid response (SR) were analyzed...
March 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/26963615/a-home-based-eyebrows-lifting-effect-using-a-novel-device-that-emits-electrostatic-pulses-containing-rf-energy-resulting-in-high-frequency-low-level-transdermal-microcurrent-pulsations-double-blind-randomized-clinical-study-of-efficacy-and-safety
#17
RANDOMIZED CONTROLLED TRIAL
Vincenzo Nobile, Angela Michelotti, Enza Cestone
BACKGROUND: As the appearance of the face is a primary concern of many people, ways in which to tighten the skin are increasingly in demand. In recent years, radiofrequency (RF) has become a promising nonablative, non-invasive, technique for facial rejuvenation. OBJECTIVE: To assess the safety and the efficacy of a unipolar RF-based device for home use in increasing skin tightness (lifting effect) in the eyebrows area. METHODS: Subjects (N = 50) aged between 30 and 70 years old showing skin wrinkledness all over the face and skin laxity in the eyebrows area were enrolled...
August 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/26917494/electrical-stimulation-enhances-tissue-reorganization-during-orthodontic-tooth-movement-in-rats
#18
Gisele Sampaio Spadari, Ewerton Zaniboni, Silvia Amelia Scudeler Vedovello, Mauro Pedrine Santamaria, Maria Esméria Corezola do Amaral, Gláucia Maria Tech Dos Santos, Marcelo Augusto Marretto Esquisatto, Fernanda Aparecida Sampaio Mendonca, Milton Santamaria-Jr
OBJECTIVE: This study evaluated the effects of a low-intensity electric current on tissue reorganization during experimental orthodontic tooth movement. MATERIALS AND METHODS: Thirty-two animals were divided into two groups evaluated on days 3 and 7: OTM-orthodontic tooth movement and OTM + MC-orthodontic tooth movement and microcurrent application (10 μA/5 min). The samples were processed for histological, morphometric, and Western blotting analysis. RESULTS: Analysis of the periodontal ligament (PL) showed a significantly smaller number of granulocytes in the OTM + MC group on day 7...
January 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/26819649/monophasic-pulsed-200-%C3%AE-a-current-promotes-galvanotaxis-with-polarization-of-actin-filament-and-integrin-%C3%AE-2%C3%AE-1-in-human-dermal-fibroblasts
#19
Mikiko Uemura, Noriaki Maeshige, Yuka Koga, Michiko Ishikawa-Aoyama, Makoto Miyoshi, Masaharu Sugimoto, Hiroto Terashi, Makoto Usami
OBJECTIVE: The monophasic pulsed microcurrent is used to promote wound healing, and galvanotaxis regulation has been reported as one of the active mechanisms in the promotion of tissue repair with monophasic pulsed microcurrent. However, the optimum monophasic pulsed microcurrent parameters and intracellular changes caused by the monophasic pulsed microcurrent have not been elucidated in human dermal fibroblasts. The purpose of this study was to investigate the optimum intensity for promoting galvanotaxis and the effects of electrical stimulation on integrin α2β1 and actin filaments in human dermal fibroblasts...
2016: Eplasty
https://www.readbyqxmd.com/read/26786082/wound-healing-treatment-by-high-frequency-ultrasound-microcurrent-and-combined-therapy-modifies-the-immune-response-in-rats
#20
Raciele I G Korelo, Marcelo Kryczyk, Carolina Garcia, Katya Naliwaiko, Luiz C Fernandes
BACKGROUND: Therapeutic high-frequency ultrasound, microcurrent, and a combination of the two have been used as potential interventions in the soft tissue healing process, but little is known about their effect on the immune system. OBJECTIVE: To evaluate the effects of therapeutic high frequency ultrasound, microcurrent, and the combined therapy of the two on the size of the wound area, peritoneal macrophage function, CD4+ and CD8+, T lymphocyte populations, and plasma concentration of interleukins (ILs)...
January 19, 2016: Brazilian Journal of Physical Therapy
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