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Audiology & Neuro-otology

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https://www.readbyqxmd.com/read/28641288/the-crista-fenestra-and-its-impact-on-the-surgical-approach-to-the-scala-tympani-during-cochlear-implantation
#1
Roberto D Angeli, Joel Lavinsky, Enio T Setogutti, Luiz Lavinsky
OBJECTIVE: The aim of this work was to describe the dimensions of the crista fenestra and determine its presence by means of high-resolution computed tomography (CT) for the purpose of cochlear implantation via the round window approach. METHODS: A series of 10 adult human temporal bones underwent high-resolution CT scanning and were further dissected for microscopic study of the round window niche. RESULTS: In all of the specimens, the round window membrane was fully visualized after the complete removal of bony overhangs...
June 23, 2017: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/28628917/anatomical-characteristics-of-facial-nerve-and-cochlea-interaction
#2
Nadine Schart-Morén, Sune Larsson, Helge Rask-Andersen, Hao Li
OBJECTIVE: The aim was to study the relationship between the labyrinthine portion (LP) of the facial canal and the cochlea in human inner ear molds and temporal bones using micro-CT and 3D rendering. A reduced cochlea-facial distance may spread electric currents from the cochlear implant to the LP and cause facial nerve stimulation. Influencing factors may be the topographic anatomy and otic capsule properties. METHODS: An archival collection of human temporal bones underwent micro-CT and 3D reconstruction...
June 20, 2017: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/28601886/auna2-a-novel-type-of-non-syndromic-slowly-progressive-auditory-synaptopathy-auditory-neuropathy-with-autosomal-dominant-inheritance
#3
Ruth Lang-Roth, Eva Fischer-Krall, Cornelia Kornblum, Gudrun Nürnberg, Dieter Meschede, Ingrid Goebel, Peter Nürnberg, Dirk Beutner, Christian Kubisch, Martin Walger, Alexander E Volk
BACKGROUND: Auditory synaptopathy/neuropathy (AS/AN) is a heterogeneous disorder, which may be caused by environmental factors like postnatal hyperbilirubinemia or by genetic factors. The genetic forms are subdivided into syndromic and non-syndromic types, and show different inheritance patterns with a strong preponderance of autosomal-recessive forms. To date, only a single locus for non-syndromic autosomal-dominant AS/AN (AUNA1) has been reported in a single family, in which a non-coding DIAPH3 mutation was subsequently described as causative...
June 10, 2017: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/28514787/delayed-effect-of-active-pressure-treatment-on-endolymphatic-hydrops
#4
Edoardo Covelli, Luigi Volpini, Francesca Atturo, Anna Teresa Benincasa, Chiara Filippi, Silvia Tarentini, Vania Marrone, Simonetta Monini, Annarita Vestri, Maurizio Barbara
OBJECTIVE: To identify eventual correlations between the effect of low-pressure treatment and endolymphatic hydrops in Ménière patients. MATERIAL AND METHODS: The study group consisted of subjects affected by definite Ménière disease (2015) and a severe degree of disability, who received a ventilation tube with or without a low-pressure treatment before undergoing a surgical procedure (vestibular neurectomy). After the placement of the ventilation tube, the subjects were either left alone with the tube or received 1 month of self-administered low-pressure therapy with a portable device...
May 18, 2017: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/28434002/in-situ-hearing-tests-for-the-purpose-of-a-self-fit-hearing-aid
#5
Monique Boymans, Wouter A Dreschler
This study investigated the potential and limitations of a self-fit hearing aid. This can be used in the "developing" world or in countries with large distances between the hearing-impaired subjects and the professional. It contains an on-board tone generator for in situ user-controlled, automated audiometry, and other tests for hearing aid fitting. Twenty subjects with mild hearing losses were involved. In situ audiometry showed a test-retest reliability (SD <3.7 dB) that compared well with the precision of diagnostic audiometry using headphones...
April 22, 2017: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/28423381/self-administered-tinnitus-pitch-matching-versus-a-conventional-audiometric-procedure
#6
Tae Su Kim, Natalia Yakunina, Yoon-Jong Ryu, Ik Joo Chung, Eui-Cheol Nam
OBJECTIVE: Obtaining an accurate tinnitus pitch match is an initial and critical requirement for tinnitus evaluation and treatment, particularly for applying tailor-made notched music training. We investigated whether computer-based self-administered tinnitus pitch matching (CSTPM) is comparable with a conventional audiometric procedure (CAP). METHODS: In total, 82 patients (mean age 45.52 years; 42 females) with tonal tinnitus participated. The CAP was performed by the same audiologist using a 2-alternative forced choice method with a frequency range of 0...
April 20, 2017: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/28423374/hyperbaric-oxygen-therapy-as-adjuvant-treatment-for-idiopathic-sudden-sensorineural-hearing-loss-after-failure-of-systemic-steroids
#7
Seiji Hosokawa, Ken-Ichi Sugiyama, Goro Takahashi, Yu-Ichi Hashimoto, Kumiko Hosokawa, Satoru Takebayashi, Hiroyuki Mineta
We evaluated the outcomes of and prognostic factors for idiopathic sudden sensorineural hearing loss (ISSNHL) treated with adjuvant hyperbaric oxygen therapy (HBOT). A retrospective review of clinical data was performed for 167 patients with ISSNHL who failed to respond to systemic steroids and were treated by adjuvant HBOT at Shizuoka Saiseikai General Hospital. We analysed the clinical outcomes, the averaged 5-frequency hearing level after systemic steroids, patient age, the interval between post-steroids and pre-HBOT, vertigo as a complication, the presence of diabetes mellitus, smoking history, and hypertension...
April 20, 2017: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/27806363/health-related-quality-of-life-in-adult-cochlear-implant-users-a-descriptive-observational-study
#8
Ángel Ramos-Macías, Juan Carlos Falcón González, Silvia A Borkoski-Barreiro, Ángel Ramos de Miguel, David Simón Batista, Daniel Pérez Plasencia
Cochlear implantation has a significant impact on patients' social life, performance of activities, and self-esteem. The objective of this retrospective study was to assess the health-related quality of life of cochlear implant users aged under and over 60 years by a self-report using the Glasgow Health Status Inventory and the Abbreviated Profile of Hearing Aid Benefit. It was observed that quality of life values increased very rapidly straight after implantation regardless of age. Bilateral cochlear implant users showed better results in environments with background noise and in a reverberant room than unilateral cochlear implant users...
November 3, 2016: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/27806358/editorial
#9
Manuel Manrique-Rodríguez, Ángel Ramos-Macías
No abstract text is available yet for this article.
November 3, 2016: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/27806356/speech-perception-and-information-carrying-capacity-for-hearing-aid-users-of-different-ages
#10
Ulrich Hoppe, Thomas Hocke, Alexander Müller, Anne Hast
Hearing impairment in the elderly is usually treated with conventional hearing aids; however, a large number of older people do not achieve sufficient speech recognition with hearing aids. The aim of the study was to describe speech perception with hearing aids in comparison to pure-tone hearing loss and maximum speech recognition scores for phonemically balanced words. Data from 392 hearing aid users with different degrees of hearing loss were evaluated retrospectively. In particular, pure-tone thresholds, the maximum monosyllabic word score, and the monosyllabic word score in quiet at conversational level with a hearing aid were analysed...
November 3, 2016: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/27806354/the-development-of-remote-speech-recognition-tests-for-adult-cochlear-implant-users-the-effect-of-presentation-mode-of-the-noise-and-a-reliable-method-to-deliver-sound-in-home-environments
#11
Feike de Graaff, Elke Huysmans, Obaid Ur Rehman Qazi, Filiep J Vanpoucke, Paul Merkus, S Theo Goverts, Cas Smits
The number of cochlear implant (CI) users is increasing annually, resulting in an increase in the workload of implant centers in ongoing patient management and evaluation. Remote testing of speech recognition could be time-saving for both the implant centers as well as the patient. This study addresses two methodological challenges we encountered in the development of a remote speech recognition tool for adult CI users. First, we examined whether speech recognition in noise performance differed when the steady-state masking noise was presented throughout the test (i...
November 3, 2016: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/27806349/contributing-determinants-to-hearing-loss-in-elderly-men-and-women-results-from-the-population-based-rotterdam-study
#12
Stephanie C Rigters, Mick Metselaar, Marjan H Wieringa, Robert J Baatenburg de Jong, Albert Hofman, André Goedegebure
To contribute to a better understanding of the etiology in age-related hearing loss, we carried out a cross-sectional study of 3,315 participants (aged 52-99 years) in the Rotterdam Study, to analyze both low- and high-frequency hearing loss in men and women. Hearing thresholds with pure-tone audiometry were obtained, and other detailed information on a large number of possible determinants was collected. Hearing loss was associated with age, education, systolic blood pressure, diabetes mellitus, body mass index, smoking and alcohol consumption (inverse correlation)...
November 3, 2016: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/27806361/author-and-subject-index-vol-21-suppl-1-2016
#13
(no author information available yet)
No abstract text is available yet for this article.
November 2, 2016: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/27705979/functional-expression-of-an-osmosensitive-cation-channel-transient-receptor-potential-vanilloid-4-in-rat-vestibular-ganglia
#14
Takefumi Kamakura, Makoto Kondo, Yoshihisa Koyama, Yukiko Hanada, Yusuke Ishida, Yukiko Nakamura, Takahiro Yamada, Yasumitsu Takimoto, Tadashi Kitahara, Yoshiyuki Ozono, Arata Horii, Takao Imai, Hidenori Inohara, Shoichi Shimada
Transient receptor potential vanilloid (TRPV) 4 is a nonselective cation channel expressed in sensory neurons such as those in the dorsal root and trigeminal ganglia, kidney, and inner ear. TRPV4 is activated by mechanical stress, heat, low osmotic pressure, low pH, and phorbol derivatives such as 4α-phorbol 12,13-didecanoate (4α-PDD). We investigated the expression of TRPV4 in rat vestibular ganglion (VG) neurons. The TRPV4 gene was successfully amplified from VG neuron mRNA using reverse-transcription polymerase chain reaction...
October 6, 2016: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/27653609/five-year-hearing-outcomes-in-bilateral-simultaneously-cochlear-implanted-adult-patients
#15
Daniele De Seta, Yann Nguyen, Antoine Vanier, Evelyne Ferrary, Jean-Pierre Bebear, Benoit Godey, Alain Robier, Michel Mondain, Olivier Deguine, Olivier Sterkers, Isabelle Mosnier
OBJECTIVE: To report the speech performance and sound localization in adult patients 5 years after bilateral simultaneous cochlear implantation and to evaluate the change in speech scores between 1 and 5 years. DESIGN: In this prospective multicenter study, 26 patients were evaluated 5 years after implantation using long straight electrode arrays (MED-EL Combi 40+, standard electrode array, 31 mm). Speech perception was measured using disyllabic words in quiet and noise, with the speech coming from the front and a cocktail party background noise coming from 5 loudspeakers...
September 22, 2016: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/27584905/safety-and-efficacy-of-chitosan-dextran-hydrogel-in-the-middle-ear-in-an-animal-model
#16
Selin Ünsaler, Bora Başaran, Şule Öztürk Sarı, Eyüp Kara, Kemal Değer, Peter John Wormald
OBJECTIVES: To investigate the efficacy of chitosan-dextran hydrogel (CDH) in preventing postoperative adhesions between the tympanic membrane (TM) and intratympanic structures, and to evaluate its ototoxicity in an animal study. METHODS: In the first step, ototoxicity was evaluated with 7 male albino guinea pigs (GPs) via auditory brainstem responses (ABR) before and 4 weeks after unilateral intratympanic injection of CDH and saline solution contralaterally. In the second step, 12 GPs underwent bilateral ear surgery...
September 2, 2016: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/27576862/cilostazol-effect-on-amikacin-induced-ototoxicity-an-experimental-study
#17
Mohammad Waheed El-Anwar, Said Abdelmonem, Ebtessam Nada, Dalia Galhoom, Ahmed A Abdelsameea
OBJECTIVES: To find out the possible protective effect of cilostazol against amikacin-induced ototoxicity. METHODS: This study was carried out on 24 adult male rats classified into 4 equal groups of 6 animals each. (1) The control group was administered saline (1 ml/day, p.o.) for 14 days. (2) The amikacin group was administered amikacin (200 mg/kg, i.m.) once daily for 14 days. (3) The cilostazol-amikacin (14 days) group was administered cilostazol (30 mg/kg, p...
August 30, 2016: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/27576674/force-perception-thresholds-in-cochlear-implantation-surgery
#18
Louis B Kratchman, Daniel Schuster, Mary S Dietrich, Robert F Labadie
Tissue trauma is a frequent complication of cochlear implantation (CI) surgery, but the relationship between intracochlear trauma, electrode insertion forces, and surgeons' ability to perceive these forces is poorly understood. In this study, we simulated CI surgery using a benchtop apparatus to repeatedly apply small forces to the subjects' hands while reducing the variability in their hand movements. We used a psychophysical testing procedure to estimate the force perception thresholds of 10 otologic surgeons and found a median threshold of 20...
August 30, 2016: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/27529738/transcranial-attenuation-in-patients-with-single-sided-deafness
#19
Hillary A Snapp, Kari E Morgenstein, Fred F Telischi, Simon Angeli
Transcranial attenuation (TA) of bone-conducted sound has a high degree of variability by frequency and subject, which may play a role in the objective benefit of individuals with single-sided deafness (SSD) treated with a bone-anchored implant (BAI). This study sought to determine whether TA is predictive of benefit in individuals with SSD who receive a BAI. Adult, English-speaking patients with unilateral profound sensorineural hearing loss who underwent a BAI evaluation were included for study. Absolute TA values were consistent with previously published reports...
August 17, 2016: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/27351868/multicenter-clinical-trial-of-vibroplasty-couplers-to-treat-mixed-conductive-hearing-loss-first-results
#20
Thomas Zahnert, Hubert Löwenheim, Dirk Beutner, Rudolf Hagen, Arneborg Ernst, Hans-Wilhelm Pau, Thorsten Zehlicke, Hilke Kühne, Natascha Friese, Anke Tropitzsch, Jan-Christoffer Lüers, Robert Mlynski, Ingo Todt, Karl-Bernd Hüttenbrink
OBJECTIVE: To evaluate the safety and effectiveness of round window (RW), oval window (OW), CliP and Bell couplers for use with an active middle ear implant. METHODS: This is a multicenter, long-term, prospective trial with consecutive enrollment, involving 6 university hospitals in Germany. Bone conduction, air conduction, implant-aided warble-tone thresholds and Freiburger monosyllable word recognition scores were compared with unaided preimplantation results in 28 moderate-to-profound hearing-impaired patients after 12 months of follow-up...
June 29, 2016: Audiology & Neuro-otology
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