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https://www.readbyqxmd.com/read/27830452/fabrication-of-self-expandable-niti-thin-film-devices-with-micro-electrode-array-for-bioelectric-sensing-stimulation-and-ablation
#1
Christoph Bechtold, Rodrigo Lima de Miranda, Christoph Chluba, Eckhard Quandt
Self-expandable medical devices provide mechanical functionality at a specific location of the human body and are viable for minimal invasive procedures. Besides radiopaque markers and drug-eluting coatings, next generation self-expandable devices can be equipped with additional functionality, such as conductive and flexible electrodes, which enables chronic recording of bioelectrical signals, stimulating or ablating tissue. This promises new therapeutic options in various medical fields, among them in particular neuromodulation (e...
December 2016: Biomedical Microdevices
https://www.readbyqxmd.com/read/27542331/neuro-immune-interactions-in-the-cholinergic-anti-inflammatory-reflex
#2
REVIEW
Colin Reardon
Communication between the nervous and immune systems can significantly alter immune cell function in a number of inflammatory diseases. Elegant studies have defined a basic functional circuit in a "cholinergic anti-inflammatory pathway" that highlights a unique role for the vagus nerve, and has brought about a resurgence in the field of neuro-immunology. This research has further identified that in addition to tonic signals that can restrain immune cell activation; the anti-inflammatory reflex arc is amiable to targeted stimulation as a therapeutic modality...
October 2016: Immunology Letters
https://www.readbyqxmd.com/read/27499876/genome-wide-analysis-reveals-conserved-transcriptional-responses-downstream-of-resting-potential-change-in-xenopus-embryos-axolotl-regeneration-and-human-mesenchymal-cell-differentiation
#3
Vaibhav P Pai, Christopher J Martyniuk, Karen Echeverri, Sarah Sundelacruz, David L Kaplan, Michael Levin
Endogenous bioelectric signaling via changes in cellular resting potential (V mem) is a key regulator of patterning during regeneration and embryogenesis in numerous model systems. Depolarization of V mem has been functionally implicated in dedifferentiation, tumorigenesis, anatomical re-specification, and appendage regeneration. However, no unbiased analyses have been performed to understand genome-wide transcriptional responses to V mem change in vivo. Moreover, it is unknown which genes or gene networks represent conserved targets of bioelectrical signaling across different patterning contexts and species...
February 2016: Regeneration
https://www.readbyqxmd.com/read/27428719/human-acellular-dermal-matrix-paired-with-silver-zinc-coupled-electroceutical-dressing-results-in-rapid-healing-of-complicated-diabetic-wounds-of-mixed-etiology-a-novel-case-series
#4
Windy Cole
Patients with diabetes are well known for having difficult-to-close wounds. When additional factors are added, such as gouty tophi or tumors, the difficulty is compounded and conventional care often fails to heal the wound. In this case series, an innovative wound modality that combined a human acellular dermal matrix with a silver-zinc coupled electroceutical wound dressing was used in 3 particularly difficult and complex cases. In all 3 cases, this alternative treatment provided full healing within 6 weeks in wounds that conventional care had been unable to close in up to 2 years...
July 2016: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/27224508/functionalized-anatomical-models-for-em-neuron-interaction-modeling
#5
Esra Neufeld, Antonino Mario Cassará, Hazael Montanaro, Niels Kuster, Wolfgang Kainz
The understanding of interactions between electromagnetic (EM) fields and nerves are crucial in contexts ranging from therapeutic neurostimulation to low frequency EM exposure safety. To properly consider the impact of in vivo induced field inhomogeneity on non-linear neuronal dynamics, coupled EM-neuronal dynamics modeling is required. For that purpose, novel functionalized computable human phantoms have been developed. Their implementation and the systematic verification of the integrated anisotropic quasi-static EM solver and neuronal dynamics modeling functionality, based on the method of manufactured solutions and numerical reference data, is described...
June 21, 2016: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/27168571/an-overview-of-the-efficacy-of-a-next-generation-electroceutical-wound-care-device
#6
Hosan Kim, Soon Park, Greggory Housler, Vanessa Marcel, Sue Cross, Mina Izadjoo
Novel approaches including nonpharmacological methodologies for prevention and control of microbial pathogens and emerging antibiotic resistance are urgently needed. Procellera is a wound care device consisting of a matrix of alternating silver (Ag) and zinc (Zn) dots held in position on a polyester substrate with a biocompatible binder. This electroceutical medical device is capable of generating a direct current voltage (0.5-0.9 Volts). Wound dressings containing metals such as Ag and/or Zn as active ingredients are being used for control of colonized and infected wounds...
May 2016: Military Medicine
https://www.readbyqxmd.com/read/26735327/signal-quality-of-endovascular-electroencephalography
#7
Bryan D He, Mosalam Ebrahimi, Leon Palafox, Lakshminarayan Srinivasan
UNLABELLED: Objective, Approach. A growing number of prototypes for diagnosing and treating neurological and psychiatric diseases are predicated on access to high-quality brain signals, which typically requires surgically opening the skull. Where endovascular navigation previously transformed the treatment of cerebral vascular malformations, we now show that it can provide access to brain signals with substantially higher signal quality than scalp recordings. MAIN RESULTS: While endovascular signals were known to be larger in amplitude than scalp signals, our analysis in rabbits borrows a standard technique from communication theory to show endovascular signals also have up to 100× better signal-to-noise ratio...
February 2016: Journal of Neural Engineering
https://www.readbyqxmd.com/read/26654737/clinical-outcomes-and-cost-effectiveness-of-an-externally-applied-electroceutical-device-in-managing-venous-leg-ulcers-in-clinical-practice-in-the-uk
#8
COMPARATIVE STUDY
J F Guest, N Ayoub, T Greaves
OBJECTIVE: To estimate the cost-effectiveness of treating patients with a venous leg ulcer (VLU) with an externally applied electroceutical (EAE) device, plus dressings and compression bandaging or continuing with their previous care plan, from the perspective of the National Health Service (NHS) in the UK. METHOD: This was a prospective, single-arm, non-blinded, clinical and economic evaluation of EAE therapy performed in 2013/14. Patients' VLUs were treated with six active units of EAE therapy (each unit for two days) plus dressings and compression bandaging over a period of 12 days...
December 2015: Journal of Wound Care
https://www.readbyqxmd.com/read/26650346/hydrolytically-stable-thiol-ene-networks-for-flexible-bioelectronics
#9
Radu Reit, Daniel Zamorano, Shelbi Parker, Dustin Simon, Benjamin Lund, Walter Voit, Taylor H Ware
Hydrolytically stable, tunable modulus polymer networks are demonstrated to survive harsh alkaline environments and offer promise for use in long-term implantable bioelectronic medicines known as electroceuticals. Today's polymer networks (such as polyimides or polysiloxanes) succeed in providing either stiff or soft substrates for bioelectronics devices; however, the capability to significantly tune the modulus of such materials is lacking. Within the space of materials with easily modified elastic moduli, thiol-ene copolymers are a subset of materials that offer a promising solution to build next generation flexible bioelectronics but have typically been susceptible to hydrolytic degradation chronically...
December 30, 2015: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/26276980/flexible-epineural-strip-electrode-for-recording-in-fine-nerves
#10
Sanghoon Lee, Shih-Cheng Yen, Swathi Sheshadri, Ignacio Delgado-Martinez, Ning Xue, Zhuolin Xiang, Nitish V Thakor, Chengkuo Lee
This paper demonstrates flexible epineural strip electrodes (FLESE) for recording from small nerves. Small strip-shaped FLESE enables us to easily and closely stick on various sized nerves for less damage in a nerve and optimal recording quality. In addition, in order to enhance the neural interface, the gold electrode contacts were coated with carbon nanotubes, which reduced the impedance of the electrodes. We used the FLESEs to record electrically elicited nerve signals (compound neural action potentials) from the sciatic nerve in rats...
March 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/26005596/a-wireless-electroceutical-dressing-lowers-cost-of-negative-pressure-wound-therapy
#11
Piya Das Ghatak, Richard Schlanger, Kasturi Ganesh, Lynn Lambert, Gayle M Gordillo, Patsy Martinsek, Sashwati Roy
Objective: To test whether the use of a wireless electroceutical dressing (WED) (Procellera(®)) in conjunction with a 5-day negative pressure wound therapy (NPWT) may reduce the number of dressing changes required per week with this therapy. Approach: At the Ohio State University Comprehensive Wound Center, chronic wound patients (n=30) undergoing NPWT were randomized into two arms following consent as approved by the institutional review board. The control arm received standard of care NPWT, where the dressing change was performed thrice a week...
May 1, 2015: Advances in Wound Care
https://www.readbyqxmd.com/read/25993252/electroceuticals-for-the-metabolic-syndrome
#12
EDITORIAL
S R Bornstein, S Ben-Haim
No abstract text is available yet for this article.
June 2015: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/25803639/silver-zinc-redox-coupled-electroceutical-wound-dressing-disrupts-bacterial-biofilm
#13
Jaideep Banerjee, Piya Das Ghatak, Sashwati Roy, Savita Khanna, Craig Hemann, Binbin Deng, Amitava Das, Jay L Zweier, Daniel Wozniak, Chandan K Sen
Pseudomonas aeruginosa biofilm is commonly associated with chronic wound infection. A FDA approved wireless electroceutical dressing (WED), which in the presence of conductive wound exudate gets activated to generate electric field (0.3-0.9V), was investigated for its anti-biofilm properties. Growth of pathogenic P. aeruginosa strain PAO1 in LB media was markedly arrested in the presence of the WED. Scanning electron microscopy demonstrated that WED markedly disrupted biofilm integrity in a setting where silver dressing was ineffective...
2015: PloS One
https://www.readbyqxmd.com/read/25748902/weight-loss-electroceutical-device-wins-fda-okay
#14
Gunjan Sinha
No abstract text is available yet for this article.
March 2015: Nature Biotechnology
https://www.readbyqxmd.com/read/25565436/new-dimensions-in-controlling-cellular-function-with-electroceutics
#15
EDITORIAL
Frankie James Rawson
No abstract text is available yet for this article.
January 2015: Therapeutic Delivery
https://www.readbyqxmd.com/read/25451616/a-century-of-pavlovian-experiments-forming-a-circuit-from-the-elucidation-of-neural-reflexes-to-pharmaceuticals-and-electroceuticals-to-treat-diseases
#16
COMMENT
Lawrence Steinman
No abstract text is available yet for this article.
February 2015: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/24990725/electroceuticals-spark-interest
#17
Sara Reardon
No abstract text is available yet for this article.
July 3, 2014: Nature
https://www.readbyqxmd.com/read/23744134/charged-by-gsk-investment-battery-of-electroceuticals-advance
#18
Gunjan Sinha
No abstract text is available yet for this article.
June 2013: Nature Medicine
https://www.readbyqxmd.com/read/23579662/drug-discovery-a-jump-start-for-electroceuticals
#19
Kristoffer Famm, Brian Litt, Kevin J Tracey, Edward S Boyden, Moncef Slaoui
No abstract text is available yet for this article.
April 11, 2013: Nature
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