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Neuromodulators

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https://www.readbyqxmd.com/read/29034542/time-frequency-analysis-of-increases-in-vaginal-blood-perfusion-elicited-by-long-duration-pudendal-neuromodulation-in-anesthetized-rats
#1
Indie C Rice, Lauren L Zimmerman, Shani E Ross, Mitchell B Berger, Tim M Bruns
OBJECTIVES: Female sexual dysfunction (FSD) affects a significant portion of the population. Although treatment options for FSD are limited, neuromodulation for bladder dysfunction has improved sexual function in some women. A few studies have investigated peripheral neuromodulation for eliciting changes in vaginal blood flow, as a proxy for modulating genital sexual arousal, however results are generally transient. Our central hypothesis is that repeated or extended-duration pudendal nerve stimulation can elicit maintained vaginal blood flow increases...
October 16, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29033856/possible-facilitative-effects-of-repeated-anodal-transcranial-direct-current-stimulation-on-functional-outcome-1-month-later-in-schizophrenia-an-open-trial
#2
Zui Narita, Takuma Inagawa, Kazuki Sueyoshi, Crystal Lin, Tomiki Sumiyoshi
Recent research on neuromodulation techniques, such as transcranial direct current stimulation (tDCS), for the treatment of schizophrenia has mainly focused on psychotic symptoms. We aimed to determine whether repetitive tDCS is efficacious in improving determinants of outcome, such as cognitive function, daily living skills, and depressive mood in patients with schizophrenia. Twenty-eight patients underwent tDCS (2 mA × 20 min) two times per day for 5 consecutive days. The anodal electrode was placed over the left dorsolateral prefrontal cortex while the cathodal electrode was placed over the right supraorbital region...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29033788/zinc-as-a-neuromodulator-in-the-central-nervous-system-with-a-focus-on-the-olfactory-bulb
#3
REVIEW
Laura J Blakemore, Paul Q Trombley
The olfactory bulb (OB) is central to the sense of smell, as it is the site of the first synaptic relay involved in the processing of odor information. Odor sensations are first transduced by olfactory sensory neurons (OSNs) before being transmitted, by way of the OB, to higher olfactory centers that mediate olfactory discrimination and perception. Zinc is a common trace element, and it is highly concentrated in the synaptic vesicles of subsets of glutamatergic neurons in some brain regions including the hippocampus and OB...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29031894/refractory-urgency-urinary-incontinence-treatment-in-women-impact-of-age-on-outcomes-and-complications
#4
Yuko M Komesu, Cindy L Amundsen, Holly E Richter, Stephen W Erickson, Mary F Ackenbom, Uduak U Andy, Vivian W Sung, Michael Albo, W Thomas Gregory, Marie Fidela Paraiso, Dennis Wallace
BACKGROUND: Women with refractory urgency urinary incontinence (UUI) (i.e. unresponsive to behavioral and pharmacologic interventions) are treated with onabotulinumtoxinA or sacral neuromodulation. OBJECTIVES: To compare treatment efficacy and adverse events (AEs) in women <65 and ≥65 years old treated with onabotulinumtoxinA or sacral neuromodulation (SNM). STUDY DESIGN: This study was a planned secondary analysis of a multi-center, randomized trial which enrolled community-dwelling women with refractory UUI to onabotulinumtoxinA or SNM treatments...
October 11, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29030173/a-novel-miniature-wireless-neurostimulator-in-the-management-of-chronic-craniofacial-pain-preliminary-results-from-a-prospective-pilot-study
#5
Richard L Weiner, Carlos Montes Garcia, Niek Vanquathem
OBJECTIVE: To report a novel wireless neuromodulation system for treatment of refractory craniofacial pain. BACKGROUND: Previous studies utilizing peripheral nerve stimulation (PNS) of the occipital and trigeminal nerves reported positive outcomes for alleviating neuropathic pain localized to the craniofacial and occipital areas. However several technological limitations and cosmetic concerns inhibited a more widespread acceptance and use of neuromodulation. Also, a relatively high incidence of adverse events like electrode erosions, dislocation, wire fracture and/or infection at the surgical site mandates a change in our approach to neuromodulation technology and implant techniques in the craniofacial region...
October 10, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/29030111/double-blind-proof-of-concept-poc-trial-of-low-field-magnetic-stimulation-lfms-augmentation-of-antidepressant-therapy-in-treatment-resistant-depression-trd
#6
Maurizio Fava, Marlene P Freeman, Martina Flynn, Bettina B Hoeppner, Richard Shelton, Dan V Iosifescu, James W Murrough, David Mischoulon, Cristina Cusin, Mark Rapaport, Boadie W Dunlop, Madhukar H Trivedi, Manish Jha, Gerard Sanacora, Gretchen Hermes, George I Papakostas
BACKGROUND: Low-Field Magnetic Stimulation (LFMS) is a novel, non-invasive, sub-threshold neuromodulation technique, shown in preliminary studies to have immediate mood elevating effects in both unipolar and bipolar depressed patients. OBJECTIVE: We aimed to assess the antidepressant augmentation effects at 48 h of LFMS administered on two consecutive days compared to sham treatment in treatment resistant depression (TRD) subjects, using the Sequential Parallel Comparison Design (SPCD)...
September 23, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/29029236/first-in-human-experience-with-complete-integration-of-neuromodulation-device-within-a-customized-cranial-implant
#7
Chad R Gordon, Gabriel F Santiago, Judy Huang, Gregory K Bergey, Shuya Liu, Mehran Armand, Henry Brem, William S Anderson
BACKGROUND: Neuromodulation devices have the potential to transform modern day treatments for patients with medicine-resistant neurological disease. For instance, the NeuroPace System (NeuroPace Inc, Mountain View, California) is a Food and Drug Administration (FDA)-approved device developed for closed-loop direct brain neurostimulation in the setting of drug-resistant focal epilepsy. However, current methods require placement either above or below the skull in nonanatomic locations. This type of positioning has several drawbacks including visible deformities and scalp pressure from underneath leading to eventual wound healing difficulties, micromotion of hardware with infection, and extrusion leading to premature explantation...
October 6, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29028858/approach-to-the-mature-cosmetic-patient-aging-gracefully
#8
Susan Weinkle, Michael Saco
<p>Aging gracefully has taken on a whole new meaning over the past few decades as new aesthetic treatments have been developed and are becoming more sophisticated by the day. The aging process, which is exacerbated by chronic UV exposure, results in dyspigmentation, loss of skin laxity, precancerous and cancerous skin lesions, fat loss and redistribution, and bone resorption. Laser and light devices can be used to treat dyspigmentation, while neuromodulators and soft tissue fillers can be used for rhytides and revolumization...
June 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29026048/spinal-cord-stimulation-for-chronic-non-cancer-pain-a-review-of-current-evidence-and-practice
#9
S Sc Wong, C W Chan, C W Cheung
Spinal cord stimulation provides analgesia through electrical stimulation of the dorsal column of the spinal cord via electrode leads placed into the epidural space. In traditional tonic stimulation, a painful sensation is replaced with paraesthesia. Spinal cord stimulation is effective in reducing neuropathic pain, enhancing function, and improving quality of life in different chronic pain conditions. Currently, there is most evidence to support its use for failed back surgery syndrome when multidisciplinary conventional management is unsuccessful...
October 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/29024871/brain-energetics-during-the-sleep-wake-cycle
#10
REVIEW
Mauro DiNuzzo, Maiken Nedergaard
Brain activity during wakefulness is associated with high metabolic rates that are believed to support information processing and memory encoding. In spite of loss of consciousness, sleep still carries a substantial energy cost. Experimental evidence supports a cerebral metabolic shift taking place during sleep that suppresses aerobic glycolysis, a hallmark of environment-oriented waking behavior and synaptic plasticity. Recent studies reveal that glial astrocytes respond to the reduction of wake-promoting neuromodulators by regulating volume, composition and glymphatic drainage of interstitial fluid...
October 9, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/29024680/uridine-attenuates-morphine-induced-conditioned-place-preference-and-regulates-glutamate-gaba-levels-in-mpfc-of-mice
#11
Ping Liu, Xiaohang Che, Lisha Yu, Xiaofeng Yang, Nina An, Wu Song, Chunfu Wu, Jingyu Yang
Several lines of evidence suggest that uridine, as a neuromodulator, plays an important role in drug addiction. We previously found that uridine circumvents morphine-induced behavioral sensitization by decreasing the extracellular dopamine levels in the dorsal striatum. In the present study, the effects of uridine on morphine-induced conditioned place preference (CPP) and the possible roles of glutamate and GABA in the stress-induced reinstatement of CPP were investigated. First, the effects of uridine (1, 10 and 100mg/kg, i...
October 9, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29024483/neuromodulation-the-not-so-hidden-cure-for-the-opioid-crisis
#12
(no author information available yet)
No abstract text is available yet for this article.
October 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29024404/removal-of-sacral-nerve-stimulation-devices-for-magnetic-resonance-imaging-what-happens-next
#13
Jessica C Lloyd, Bradley C Gill, Javier Pizarro-Berdichevsky, Howard B Goldman
INTRODUCTION: Sacral neuromodulation (SNM) devices (Medtronic, Minneapolis, MN, USA) are not approved to undergo magnetic resonance imaging (MRI) of sites other than the head. When MRIs are required, devices are often removed prior to imaging. We reviewed the prevalence of device removal for MRI at a large academic institution and the subsequent clinical course of these patients. METHODS: A retrospective review of all SNM explants from 2009-2015 was performed. Cases explanted for MRI were analyzed to collect demographics, clinical characteristics, and postremoval management...
October 11, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29024244/local-chemical-stimulation-of-neurons-with-the-fluidfm
#14
Matthias J Aebersold, Harald Dermutz, László Demkó, José F Saenz Cogollo, Shiang-Chi Lin, Conrad Burchert, Moritz Schneider, Doris Ling, Csaba Forró, Hana Han, Tomaso Zambelli, Janos Vörös
Physiological communication between neurons is dependent on the exchange of neurotransmitters at the synapses. Although such chemical signal transmission targets specific receptors and allows for subtle adaptation of the action potential, in vitro neuroscience typically relies on electrical currents and potentials to stimulate neurons. The electric stimulus is unspecific and the confinement of the stimuli within the media is technically difficult to control and introduces large artifacts in electric recordings of the activity...
October 10, 2017: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/29023305/insights-into-the-therapeutic-effect-of-responsive-neurostimulation-assessed-with-scalp-eeg-recording-a-case-report
#15
Maria Jose Bruzzone, Naoum Issa, Sandra Rose, Peter Warnke, Vernon L Towle, James X Tao, Shasha Wu
The responsive neurostimulation system (RNS) is the first closed-loop neurostimulator approved as an adjunctive treatment for adults with medically refractory focal epilepsy from no more than two seizure foci. In addition to its therapeutic effect, it provides chronic intracranial EEG recordings, with limited storage capacity. Long-term monitoring with scalp EEG recordings can provide additional information regarding seizure patterns, the efficacy of RNS stimulation in aborting individual seizures, and the net effect of RNS on seizure control...
October 10, 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/29021980/hydrogen-sulfide-a-worthwhile-tool-in-the-design-of-new-multitarget-drugs
#16
Simona Sestito, Giulia Nesi, Rongbiao Pi, Marco Macchia, Simona Rapposelli
H2S is a gaseous molecule able to trigger a plethora of central physiological and pharmacological effects as antioxidant, pro- and anti-inflammatory, pro- and anti-nociceptive, neuromodulator, and cytoprotective. The polypharmacology of H2S depends on the wide variety of targets implicated, but, despite the efforts, the mechanisms of action that should clarify its activity are still not completely unrevealed. Nevertheless, many attempts to exploit the multifaceted profile of this molecule have already been accomplished and many chemical entities containing an H2S-releasing pharmacophore have been synthetized...
2017: Frontiers in Chemistry
https://www.readbyqxmd.com/read/29020917/deciphering-the-olfactory-repertoire-of-the-tiger-mosquito-aedes-albopictus
#17
Fabrizio Lombardo, Marco Salvemini, Carmine Fiorillo, Tony Nolan, Laurence J Zwiebel, José M Ribeiro, Bruno Arcà
BACKGROUND: The Asian tiger mosquito Aedes albopictus is a highly invasive species and competent vector of several arboviruses (e.g. dengue, chikungunya, Zika) and parasites (e.g. dirofilaria) of public health importance. Compared to other mosquito species, Ae. albopictus females exhibit a generalist host seeking as well as a very aggressive biting behaviour that are responsible for its high degree of nuisance. Several complex mosquito behaviours such as host seeking, feeding, mating or oviposition rely on olfactory stimuli that target a range of sensory neurons localized mainly on specialized head appendages such as antennae, maxillary palps and the mouthparts...
October 11, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29018786/hypoglossal-nerve-stimulation-for-treatment-of-obstructive-sleep-apnea-osa-a-primer-for-oral-and-maxillofacial-surgeons
#18
REVIEW
Sung Ok Hong, Yu-Feng Chen, Junho Jung, Yong-Dae Kwon, Stanley Yung Chuan Liu
The prevalence of obstructive sleep apnea (OSA) is estimated to be 1-5% of the adult population world-wide, and in Korea, it is reported at 4.5% of men and 3.2% of women (Age 40 to 69 years old). Active treatment of OSA is associated with decrease in insulin resistance, cardiovascular disease, psychosocial problems, and mortality. Surgical treatment of OSA has evolved in the era of neuromodulation with the advent of hypoglossal nerve stimulation (HGNS). We share this review of HGNS with our maxillofacial surgical colleagues to expand the scope of surgical care for OSA...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29017911/combination-of-a-short-cognitive-training-and-tdcs-to-enhance-visuospatial-skills-a-comparison-between-online-and-offline-neuromodulation
#19
Viola Oldrati, Barbara Colombo, Alessandro Antonietti
Visuospatial skills can be enhanced thanks to specific intervention programs, but the additional benefits of neuromodulation on these skills have not been fully investigated yet, although transcranial direct current stimulation (tDCS) has demonstrated to boost the effects of cognitive trainings. When combining cognitive intervention with neuromodulation, the time-window of tDCS application in relation to task execution has to be taken into account since it has been shown to affect stimulation outcomes. The aim of the present experiment was to investigate the influence of tDCS in enhancing the effects of a training for visuospatial skills...
October 7, 2017: Brain Research
https://www.readbyqxmd.com/read/29016994/neuromodulation-in-postherpetic-neuralgia-case-reports-and-review-of-the-literature
#20
Svetlana Kurklinsky, Scott C Palmer, Mack J Arroliga, Salim M Ghazi
Objective: Postherpetic neuralgia (PHN) is common in the United States. Current treatment options for PHN are fairly limited. Spinal cord stimulation (SCS) and peripheral nerve stimulation (PNS) are considered mostly experimental and still rarely performed in patients with PHN. Design: Two case reports and a review of the literature. Setting: Tertiary academic medical center. Methods: 1) Pubmed, Ovid, and EBMR databases were searched for all reports that had the following key words: postherpetic neuralgia, spinal cord stimulation, and peripheral nerve stimulation...
July 17, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
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