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Tinnitus treatment

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https://www.readbyqxmd.com/read/29329983/attenuation-of-noise-induced-hyperactivity-in-the-dorsal-cochlear-nucleus-by-pre-treatment-with-mk-801
#1
M W Criddle, D A Godfrey, J A Kaltenbach
It has previously been hypothesized that hyperactivity of central auditory neurons following exposure to intense noise is a consequence of synaptic alterations. Recent studies suggest the involvement of NMDA receptors in the induction of this hyperactive state. NMDA receptors can mediate long term changes in the excitability of neurons through their involvement in excitotoxic injury and long term potentiation and depression. In this study, we examined the effect of administering an NMDA receptor blocker on the induction of hyperactivity in the dorsal cochlear nucleus (DCN) following intense sound exposure...
January 9, 2018: Brain Research
https://www.readbyqxmd.com/read/29318324/strategies-for-a%C3%A2-regenerative-therapy-of-hearing-loss
#2
REVIEW
M Diensthuber, T Stöver
Despite impressive technical progress in the field of conventional hearing aids and implantable hearing systems, the hopes for the treatment of inner ear diseases such as hearing loss and tinnitus have become increasingly directed toward regenerative therapeutic approaches. This review discusses the currently most promising strategies for hair cell regeneration in the inner ear to treat hearing loss, including stem cell-based, gene transfer-based, and pharmacological interventions. Furthermore, previous milestones and ground-breaking work in this scientific field are identified...
January 9, 2018: HNO
https://www.readbyqxmd.com/read/29305037/transauricular-vagus-nerve-stimulation-at-auricular-acupoints-kindey-co10-yidan-co11-liver-co12-and-shenmen-tf4-can-induce-auditory-and-limbic-cortices-activation-measured-by-fmri
#3
Liyan Peng, Ketao Mu, Aiguo Liu, Liangqiang Zhou, Yueyue Gao, Imrit Tejvansh Shenoy, Zhigang Mei, Qingguo Chen
The purpose of this study was to explore the central mechanism of transauricular vagus nerve stimulation (taVNS) to human by fMRI and to find a suitable taVNS site for potential tinnitus treatment. 24 healthy subjects aged between 28 and 38 years were enrolled in the experiment. 8 subjects were stimulated in the auricular acupoints Kindey (CO10), Yidan (CO11), Liver (CO12) and Shenmen (TF4) in the left ear, 8 subjects were stimulated at the anterior wall of the auditory canal and left lower limb as an anterior stimulation group; 8 persons who were arranged in a sham group received taVNS at the left ear lobe and tail of the helix...
December 24, 2017: Hearing Research
https://www.readbyqxmd.com/read/29299506/longitudinal-up-regulation-of-endolymphatic-hydrops-in-patients-with-meniere-s-disease-during-medical-treatment
#4
Munehisa Fukushima, Tadashi Kitahara, Ryohei Oya, Shiro Akahani, Hidenori Inohara, Shinji Naganawa, Noriaki Takeda
Objective/Hypothesis: Meniere's disease (MD) is a common inner ear disease characterized by repeated episodic vertigo, fluctuating sensorineural hearing loss, and tinnitus. Its pathology is defined as endolymphatic hydrops (EH) in the inner ear and EH has been hypothesized to correlate with the clinical symptoms of MD. We presented the dynamics of in vivo EH in MD patients during medical treatments. Study Design: Prospective, single-arm repeated measures. Methods: Eleven MD patients were enrolled...
December 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/29298868/auditory-somatosensory-bimodal-stimulation-desynchronizes-brain-circuitry-to-reduce-tinnitus-in-guinea-pigs-and-humans
#5
Kendra L Marks, David T Martel, Calvin Wu, Gregory J Basura, Larry E Roberts, Kara C Schvartz-Leyzac, Susan E Shore
The dorsal cochlear nucleus is the first site of multisensory convergence in mammalian auditory pathways. Principal output neurons, the fusiform cells, integrate auditory nerve inputs from the cochlea with somatosensory inputs from the head and neck. In previous work, we developed a guinea pig model of tinnitus induced by noise exposure and showed that the fusiform cells in these animals exhibited increased spontaneous activity and cross-unit synchrony, which are physiological correlates of tinnitus. We delivered repeated bimodal auditory-somatosensory stimulation to the dorsal cochlear nucleus of guinea pigs with tinnitus, choosing a stimulus interval known to induce long-term depression (LTD)...
January 3, 2018: Science Translational Medicine
https://www.readbyqxmd.com/read/29287622/transcranial-magnetic-stimulation-and-subjective-tinnitus-a-review-of-the-literature-2014-2016
#6
A Londero, P Bonfils, J P Lefaucheur
Subjective tinnitus is a symptom in many ENT pathologies, for which there is no curative treatment. It may be poorly tolerated by some patients, who develop attention or sleep disorder or even major anxiety and depression, severely impairing quality of life. Pathophysiological models of the genesis and maintenance of tinnitus symptomatology highlight maladaptive cerebral plasticity induced by peripheral hearing loss. Although not fully elucidated, these changes in neuronal activity are the target of various attempts at neuromodulation, particularly using repetitive transcranial magnetic stimulation (rTMS), which has been the focus of various clinical studies and meta-analyses...
December 26, 2017: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/29285614/the-effects-of-quinine-on-neurophysiological-properties-of-dopaminergic-neurons
#7
Li Zou, Yingchao Xue, Michael Jones, Thomas Heinbockel, Mingyao Ying, Xiping Zhan
Quinine is an antimalarial drug that is toxic to the auditory system by commonly inducing hearing loss and tinnitus, presumably due to its ototoxic effects on disruption of cochlear hair cells and blockade of ion channels of neurons in the auditory system. To a lesser extent, quinine also causes ataxia, tremor, and dystonic reactions. As dopaminergic neurons are implicated to play a role in all of these diseases, we tested the toxicity of quinine on induced dopaminergic (iDA) neurons derived from human pluripotent stem cells (iPSCs) and primary dopaminergic (DA) neurons of substantia nigra from mice brain slices...
December 29, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/29283094/a-comparison-of-cochlear-nerve-size-in-normal-hearing-adults-using-magnetic-resonance-imaging
#8
Christoper Heining, Theofano Tikka, Steve Colley, Laura Zilinskiene, Chris Coulson
OBJECTIVE: Cochlear implantation is a clinical and cost-effective treatment for severe hearing loss. Cochlear nerve size assessment by magnetic resonance imaging (MRI) has been investigated for use as a prognostic indicator following cochlear implantation. This study aimed to further that research by assessing nerve size in normal-hearing adults for symmetry. MATERIALS AND METHODS: Patients with tinnitus presenting to our center retrospectively had their nerve size assessed by MRI...
December 14, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29283017/tinnitus-prospects-for-pharmacological-interventions-with-a-seesaw-model
#9
Hannah Tetteh, Minseok Lee, C Geoffrey Lau, Sunggu Yang, Sungchil Yang
Chronic tinnitus, the perception of lifelong constant ringing in ear, is one capital cause of disability in modern society. It is often present with various comorbid factors that severely affect quality of life, including insomnia, deficits in attention, anxiety, and depression. Currently, there are limited therapeutic treatments for alleviation of tinnitus. Tinnitus can involve a shift in neuronal excitation/inhibition (E/I) balance, which is largely modulated by ion channels and receptors. Thus, ongoing research is geared toward pharmaceutical approaches that modulate the function of ion channels and receptors...
October 1, 2017: Neuroscientist: a Review Journal Bringing Neurobiology, Neurology and Psychiatry
https://www.readbyqxmd.com/read/29279726/hearing-aids-indications-technology-adaptation-and-quality-control
#10
REVIEW
Ulrich Hoppe, Gerhard Hesse
Hearing loss can be caused by a number of different pathological conditions. Some of them can be successfully treated, mainly by surgery, depending on the individual's disease process. However, the treatment of chronic sensorineural hearing loss with damaged cochlear structures usually needs hearing rehabilitation by means of technical amplification. During the last two decades tremendous improvements in hearing aid technology led to a higher quality of the hearing rehabilitation process. For example, due to sophisticated signal processing acoustic feedback could be reduced and hence open fitting options are available even for more subjects with higher degrees of hearing loss...
2017: GMS Current Topics in Otorhinolaryngology, Head and Neck Surgery
https://www.readbyqxmd.com/read/29279723/diagnostics-and-therapy-of-vestibular-schwannomas-an-interdisciplinary-challenge
#11
REVIEW
Steffen Rosahl, Christopher Bohr, Michael Lell, Klaus Hamm, Heinrich Iro
Vestibular schwannomas (VS) expand slowly in the internal auditory canal, in the cerebellopontine angle, inside the cochlear and the labyrinth. Larger tumors can displace and compress the brainstem. With an annual incidence of 1:100,000 vestibular schwannoma represent 6-7% of all intracranial tumors. In the cerebellopontine angle they are by far the most neoplasm with 90% of all lesions located in this region. Magnetic resonance imaging (MRI), audiometry, and vestibular diagnostics are the mainstays of the clinical workup for patients harboring tumors...
2017: GMS Current Topics in Otorhinolaryngology, Head and Neck Surgery
https://www.readbyqxmd.com/read/29249959/neurofeedback-for-tinnitus-treatment-review-and-current-concepts
#12
REVIEW
Dominik Güntensperger, Christian Thüring, Martin Meyer, Patrick Neff, Tobias Kleinjung
An effective treatment to completely alleviate chronic tinnitus symptoms has not yet been discovered. However, recent developments suggest that neurofeedback (NFB), a method already popular in the treatment of other psychological and neurological disorders, may provide a suitable alternative. NFB is a non-invasive method generally based on electrophysiological recordings and visualizing of certain aspects of brain activity as positive or negative feedback that enables patients to voluntarily control their brain activity and thus triggers them to unlearn typical neural activity patterns related to tinnitus...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29243076/pta-stent-of-dural-sinuses-in-brain-davf-a%C3%A2-report-of-4-cases
#13
Leonardo Renieri, Caterina Michelozzi, Waleed Brinjikji, Jean Darcout, Adrien Guenego, Ivan Vukasinovic, Philippe Tall, Fabrice Bonneville, Anne-Christine Januel, Christophe Cognard
BACKGROUND AND PURPOSE: Type I and IIa dural arteriovenous fistulas (DAVFs) have a low hemorrhagic risk, but are often the cause of debilitating tinnitus that requires treatment. While Onyx® and PHIL™ (Precipitating hydrophobic injectable liquid) transarterial embolization represent the first endovascular option, there are occasional cases where performing angioplasty and stenting of the affected sinus may lead to satisfactory results. MATERIAL AND METHODS: We retrospectively analyzed four consecutive cases of patients with DAVF-induced pulsatile tinnitus secondary to type I and II DAVFs who were treated with angioplasty and stenting of the sinus only...
December 14, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29241237/delayed-hyperbaric-intervention-in-life-threatening-decompression-illness
#14
Michael Fm Perez, Janet V Ongkeko Perez, April R Serrano, Maravic P Andal, Maria Cc Aldover
Arterial gas embolism is a catastrophic event. Bubbles in the arterial circulation may lodge in the brain and cause infarction in the affected area and/or in a coronary vessel causing acute myocardial ischaemia. There is no well-defined window of time beyond which a response to hyperbaric oxygen is not expected. Major improvement may occur if the patient is treated as soon as possible, but is less likely in divers with severe decompression illness who have delayed intervention. We report on a 51-year-old, male rebreather diver who suffered loss of consciousness and cardiovascular collapse within minutes of a 30-metre deep dive at a remote Micronesian dive site...
December 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/29230011/pairing-sound-with-vagus-nerve-stimulation-modulates-cortical-synchrony-and-phase-coherence-in-tinnitus-an-exploratory-retrospective-study
#15
Sven Vanneste, Jeffrey Martin, Robert L Rennaker, Michael P Kilgard
Recent research has shown that vagus nerve stimulation (VNS) paired with tones or with rehabilitative training can help patients to achieve reductions in tinnitus perception or to expedite motor rehabilitation after suffering an ischemic stroke. The rationale behind this treatment is that VNS paired with experience can drive neural plasticity in a controlled and therapeutic direction. Since previous studies observed that gamma activity in the auditory cortex is correlated with tinnitus loudness, we assessed resting-state source-localized EEG before and after one to three months of VNS-tone pairing in chronic tinnitus patients...
December 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29209701/factors-associated-with-depression-in-patients-with-tinnitus-and-hyperacusis
#16
Hashir Aazh, Brian C J Moore
Purpose: The purpose of this study was to assess factors associated with depression for patients with tinnitus and hyperacusis. Method: Data were gathered from the records of 620 consecutive patients who sought help concerning their tinnitus or hyperacusis from an audiology clinic in the United Kingdom. Results: One third of the patients had borderline abnormal or abnormal scores on the Depression subscale of the Hospital Anxiety and Depression Scale (HADS-D)...
December 6, 2017: American Journal of Audiology
https://www.readbyqxmd.com/read/29209435/diseases-potentially-related-to-flammer-syndrome
#17
REVIEW
Katarzyna Konieczka, Carl Erb
Flammer syndrome (FS) is a prevalent and mostly benign condition. Subjects with FS seem to have a good life expectancy. Nevertheless, FS subjects are at increased risk for certain diseases, mainly when they are challenged by psychological stress or other stimuli such as coldness. FS is related to ocular diseases, such as normal-tension glaucoma, retinitis pigmentosa, central serous chorioretinopathy, optic nerve compartment syndrome, Leber's hereditary optic neuropathy, arterial or venous occlusions in the retina, and choroid and optic nerve head, despite the absence of classical vascular risk factors...
December 2017: EPMA Journal
https://www.readbyqxmd.com/read/29209149/electroencephalographic-evaluation-of-acoustic-therapies-for-the-treatment-of-chronic-and-refractory-tinnitus
#18
Luz María Alonso-Valerdi, David I Ibarra-Zarate, Francisco J Tavira-Sánchez, Ricardo A Ramírez-Mendoza, Manuel Recuero
Background: To date, a large number of acoustic therapies have been applied to treat tinnitus. The effect that produces those auditory stimuli is, however, not well understood yet. Furthermore, the conventional clinical protocol is based on a trial-error procedure, and there is not a formal and adequate treatment follow-up. At present, the only way to evaluate acoustic therapies is by means of subjective methods such as analog visual scale and ad-hoc questionnaires. Methods: This protocol seeks to establish an objective methodology to treat tinnitus with acoustic therapies based on electroencephalographic (EEG) activity evaluation...
2017: BMC Ear, Nose, and Throat Disorders
https://www.readbyqxmd.com/read/29204664/-central-and-peripheral-aspects-of-noise-induced-hearing-loss
#19
REVIEW
D Basta, M Gröschel, A Ernst
Noise is an important socioeconomic problem in industrialized countries. Development of efficient treatment options for the audiological phenomena resulting from noise-induced hearing loss requires in-depth understanding of the underlying damage mechanisms causing peripheral and central nervous changes. Mechanical damage, ischemia and excitotoxicity are mainly responsible for noise-induced cell death and biophysical changes in the cochlea. Auditory synaptopathy is an additional consequence. Besides these cochlear pathologies, noise exposure leads to extensive changes within the central auditory pathway...
December 4, 2017: HNO
https://www.readbyqxmd.com/read/29204306/facial-palsy-after-embolization-of-dural-arteriovenous-fistula-a-case-report-and-literature-review
#20
Luana Antunes Maranha Gatto, Fernando Saurin, Gelson Luis Koppe, Zeferino Demartini
Background: Dural arteriovenous fistulas (DAVF) are unusual intracranial vascular malformations consisting of anomalous connections between meningeal arteries and dural sinuses or the veins that pass through them. They have variable clinical presentation and prognosis, which depend on their location and venous hemodynamics. Treatment is based on the closure of the abnormal connections, which is usually conducted via arterial and/or transvenous endovascular techniques. Case Description: We present a male patient who complained of headaches and left-sided pulsatile tinnitus due to DAVF from the external carotid artery branches draining directly into the ipsilateral sigmoid sinus...
2017: Surgical Neurology International
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