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https://www.readbyqxmd.com/read/29027511/evaluation-of-a-frequency-lowering-algorithm-for-adults-with-high-frequency-hearing-loss
#1
Marina Salorio-Corbetto, Thomas Baer, Brian C J Moore
The objective was to determine the effects of a frequency-lowering algorithm (frequency composition, Fcomp) on consonant identification, word-final /s, z/ detection, the intelligibility of sentences in noise, and subjective benefit, for people with high-frequency hearing loss, including people with dead regions (DRs) in the cochlea. A single-blind randomized crossover design was used. Performance with Bernafon Acriva 9 hearing aids was compared with Fcomp off and Fcomp on. Participants wore the hearing aids in each condition in a counterbalanced order...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/29026264/more-to-lose-noise-risk-perceptions-of-young-adults-with-hearing-impairment
#2
REVIEW
Lyndal Carter, Deborah Black
This study investigated the attitudes and behaviors of young adults with hearing impairment (HI), in relation to leisure noise. It was hypothesized that young people with HI would have more negative perceptions of noise exposure than their peers with nonimpaired (normal) hearing (NH) and would engage more frequently in self-protective behaviors. Questionnaires were administered as part of a larger study of young Australians with: (1) preadult onset HI and (2) NH. Data from adults (age range 18 to 24 years; n  = 79 with HI, n  = 131 with NH) were selected for the current analysis...
November 2017: Seminars in Hearing
https://www.readbyqxmd.com/read/29022793/intralesional-excision-with-topical-intralesional-cryotherapy-improves-the-treatment-of-keloid-scarring-in-a-paediatric-patient
#3
D Reissis, T Tickunas, R A Agha, Avh Greig
Recurrent keloid scarring has a significant impact on quality of life. Management is complex, particularly for scars resistant to conventional treatments and in paediatric cases where radiotherapy is not a suitable adjunct to surgical excision. We present the case of a nine-year-old African Caribbean girl with multiple large and recurrent keloid scars on both ears and bilateral sensorineural deafness. Following repeated intralesional excisions, corticosteroid and botulinum toxin injections, she continued to experience rapid recurrence of her keloids, worsening pain and pruritus...
September 15, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29020839/learning-from-the-longitudinal-outcomes-of-children-with-hearing-impairment-lochi-study-summary-of-5-year-findings-and-implications
#4
Teresa Y C Ching, Harvey Dillon, Greg Leigh, Linda Cupples
OBJECTIVE: This article summarises findings of the Longitudinal Outcomes of Children with Hearing Impairment (LOCHI) study, and discusses implications of the findings for research and clinical practice. DESIGN: A population-based study on outcomes of children with hearing loss. Evaluations were conducted at five years of age. STUDY SAMPLE: Participants were 470 children born with hearing loss between 2002 and 2007 in New South Wales, Victoria and Queensland in Australia, and who first received amplification or cochlear implantation by three years of age...
October 12, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/29017361/haptic-assistive-technologies-for-audition-and-vision-sensory-disabilities
#5
Francesca Sorgini, Renato Caliò, Maria Chiara Carrozza, Calogero Maria Oddo
PURPOSE: The aim of this review is to analyze haptic sensory substitution technologies for deaf, blind and deaf-blind individuals. METHOD: The literature search has been performed in Scopus, PubMed and Google Scholar databases using selected keywords, analyzing studies from 1960s to present. Search on databases for scientific publications has been accompanied by web search for commercial devices. Results have been classified by sensory disability and functionality, and analyzed by assistive technology...
October 10, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/29017358/is-there-evidence-for-the-added-value-and-correct-use-of-manual-and-automatically-switching-multimemory-hearing-devices-a-scoping-review
#6
Feike de Graaff, Elke Huysmans, Johannes C F Ket, Paul Merkus, S Theo Goverts, C René Leemans, Cas Smits
OBJECTIVES: To review literature on the use of manual and automatically switching multimemory devices by hearing aid and CI recipients, and to investigate if recipients appreciate and adequately use the ability to switch between programmes in various listening environments. DESIGN: Literature was searched using PubMed, Embase and ISI/Web of Science. Additional studies were identified by screening reference and citation lists, and by contacting experts. STUDY SAMPLE: The search yielded 1109 records that were screened on title and abstract...
October 10, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28992767/sensitivity-of-expressive-linguistic-domains-to-surgery-age-and-audibility-of-speech-in-preschoolers-with-cochlear-implants
#7
Johanna G Nicholas, Ann E Geers
OBJECTIVES: To determine whether relative delays among domains exist in the conversational use of vocabulary, syntax, and morphology by children with cochlear implants (CIs) and whether these were differentially affected by age of implantation (AOI) and the audibility of speech. METHODS: Participants in this short-term longitudinal study were 126 children with AOI of 6-38 months and a matched group of 30 children without hearing loss. Language samples of the same children at ages 3...
October 10, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28992743/the-knowledge-and-beliefs-regarding-practical-aspects-of-cochlear-implants-a-study-of-otorhinolaryngologists-in-a-secondary-setting-in-a-multi-country-study
#8
Patrick S C D'Haese, Vincent Van Rompaey, Marc De Bodt, Paul Van de Heyning
OBJECTIVE: The main goal of this study was to determine the knowledge and beliefs of otorhinolaryngologists in a secondary setting in selected economically advanced European countries concerning severe hearing loss, hearing aids, and cochlear implants (CIs). Secondary goals of the study looked into the information sources of the otorhinolaryngologists and into key topics of importance for these professionals. In Europe, many adults, who could benefit from a CI, do not have one despite their availability via national health care systems...
October 10, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28984804/pediatric-calvarial-bone-thickness-in-patients-with-and-without-aural-atresia
#9
Andrew R Tomlinson, Michael L Hudson, Karl L Horn, Erin M Bell, Timothy R Petersen, Tania L Kraai
OBJECTIVE: To compare temporal bone thickness along a three-dimensional arc of potential osseointegrated implant sites for bone-anchored hearing aids in children with and without aural atresia using computed tomographic imaging (CT). STUDY DESIGN: Retrospective case review. SETTING: Tertiary children's hospital. PATIENTS: Children with or without aural atresia aged less than 11 years who had a temporal bone CT. INTERVENTION (S): Calvarial bone volume on CT was rendered in three-dimensional and thickness was reconstructed and measured at up to 12 defined sites along an arc of recommended implant sites...
October 4, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28982105/impact-of-lipid-inflammatory-oxidative-metabolism-on-auditory-skills-after-hearing-aid-fitting-in-the-elderly
#10
Alexandre Hundertmarck Lessa, Ivana Beatrice Mânica da Cruz, Maria Fernanda Manica-Cattani, Rafael Noal Moresco, Marta Maria Medeiros Frescura Duarte, Maristela Julio Costa
This study aimed to assess whether lipid-inflammatory-oxidative metabolism influences auditory processing skills, and whether they function in changing auditory performance after hearing aid fitting in the elderly. Twelve subjects with bilateral hearing loss were submitted to blood tests (to check their lipid-inflammatory-oxidative metabolism) and auditory processing skill tests. After 3 months of using the hearing aids, their auditory skills were re-evaluated and the data were correlated statistically. Oxidative stress levels mainly showed some impact on auditory temporal processing; such a relation and others should best be examined in further studies with larger populations...
October 6, 2017: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/28981349/hearing-complaints-among-veterans-following-traumatic-brain-injury
#11
Frederick J Gallun, Melissa A Papesh, M Samantha Lewis
It has been shown that there is an increased risk for impaired auditory function following traumatic brain injury (TBI) in Veterans. Evidence is strongest in the area of self-report, but behavioural and electrophysiological data have been obtained that are consistent with these complaints. Peripheral and central dysfunction have both been observed. Historically, studies have focused on penetrating head injuries where central injury is more easily documented than in mild closed head injuries, but several recent reports have expanded the literature to include closed head injuries as well...
2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28980645/giga-voxel-computational-morphogenesis-for-structural-design
#12
Niels Aage, Erik Andreassen, Boyan S Lazarov, Ole Sigmund
In the design of industrial products ranging from hearing aids to automobiles and aeroplanes, material is distributed so as to maximize the performance and minimize the cost. Historically, human intuition and insight have driven the evolution of mechanical design, recently assisted by computer-aided design approaches. The computer-aided approach known as topology optimization enables unrestricted design freedom and shows great promise with regard to weight savings, but its applicability has so far been limited to the design of single components or simple structures, owing to the resolution limits of current optimization methods...
October 4, 2017: Nature
https://www.readbyqxmd.com/read/28973626/delirium-in-older-persons-advances-in-diagnosis-and-treatment
#13
Esther S Oh, Tamara G Fong, Tammy T Hshieh, Sharon K Inouye
Importance: Delirium is defined as an acute disorder of attention and cognition. It is a common, serious, and often fatal condition among older patients. Although often underrecognized, delirium has serious adverse effects on the individual's function and quality of life, as well as broad societal effects with substantial health care costs. Objective: To summarize the current state of the art in diagnosis and treatment of delirium and to highlight critical areas for future research to advance the field...
September 26, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28972473/perceptual-implications-of-level-and-frequency-specific-deviations-from-hearing-aid-prescription-in-children
#14
Ryan W McCreery, Marc Brennan, Elizabeth A Walker, Meredith Spratford
BACKGROUND: The purpose of providing amplification for children with hearing loss is to make speech audible across a range of frequencies and intensities. Children with hearing aids (HAs) that closely approximate prescriptive targets have better audibility than peers with HA output below prescriptive targets. Poor aided audibility puts children with hearing loss at risk for delays in communication, social, and academic development. PURPOSE: The goals of this study were to determine how well HAs match prescriptive targets across ranges of frequency and intensity of speech and to determine how level- and frequency-dependent deviations from prescriptive target affect speech recognition in quiet and in background noise...
October 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28972471/listening-effort-and-speech-recognition-with-frequency-compression-amplification-for-children-and-adults-with-hearing-loss
#15
Marc A Brennan, Dawna Lewis, Ryan McCreery, Judy Kopun, Joshua M Alexander
BACKGROUND: Nonlinear frequency compression (NFC) can improve the audibility of high-frequency sounds by lowering them to a frequency where audibility is better; however, this lowering results in spectral distortion. Consequently, performance is a combination of the effects of increased access to high-frequency sounds and the detrimental effects of spectral distortion. Previous work has demonstrated positive benefits of NFC on speech recognition when NFC is set to improve audibility while minimizing distortion...
October 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28972470/listener-performance-with-a-novel-hearing-aid-frequency-lowering-technique
#16
Benjamin J Kirby, Judy G Kopun, Meredith Spratford, Clairissa M Mollak, Marc A Brennan, Ryan W McCreery
BACKGROUND: Sloping hearing loss imposes limits on audibility for high-frequency sounds in many hearing aid users. Signal processing algorithms that shift high-frequency sounds to lower frequencies have been introduced in hearing aids to address this challenge by improving audibility of high-frequency sounds. PURPOSE: This study examined speech perception performance, listening effort, and subjective sound quality ratings with conventional hearing aid processing and a new frequency-lowering signal processing strategy called frequency composition (FC) in adults and children...
October 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28972469/relationship-of-grammatical-context-on-children-s-recognition-of-s-z-inflected-words
#17
Meredith Spratford, Hannah Hodson McLean, Ryan McCreery
BACKGROUND: Access to aided high-frequency speech information is currently assessed behaviorally using recognition of plural monosyllabic words. Because of semantic and grammatical cues that support word+morpheme recognition in sentence materials, the contribution of high-frequency audibility to sentence recognition is less than that for isolated words. However, young children may not yet have the linguistic competence to take advantage of these cues. A low-predictability sentence recognition task that controls for language ability could be used to assess the impact of high-frequency audibility in a context that more closely represents how children learn language...
October 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28971746/loudness-summation-of-equal-loud-narrowband-signals-in-normal-hearing-and-hearing-impaired-listeners
#18
Stephan D Ewert, Dirk Oetting
OBJECTIVE: Loudness perception of binaural broadband signals, e.g. speech shaped noise, shows large individual differences using frequency-dependent amplification which was adjusted to restore the loudness perception of monaural narrowband signals in hearing-impaired (HI) listeners. To better understand and quantify this highly individual effect, loudness perception of broadband stimuli consisting of a number of spectrally separated narrowband components which where individually adjusted to equal loudness is of interest...
October 3, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28971727/hearing-aid-fitting-and-developmental-outcomes-of-children-fit-according-to-either-the-nal-or-dsl-prescription-fit-to-target-audibility-speech-and-language-abilities
#19
Teresa Y C Ching, Vicky W Zhang, Earl E Johnson, Patricia Van Buynder, Sanna Hou, Lauren Burns, Laura Button, Christopher Flynn, Karen McGhie
OBJECTIVE: This study examined the influence of prescription on hearing aid (HA) fitting characteristics and 5-year developmental outcomes of children. DESIGN: A randomised controlled trial implemented as part of a population-based study on Longitudinal Outcomes of Children with Hearing Impairment (LOCHI). STUDY SAMPLE: Two-hundred and thirty-two children that were fit according to either the National Acoustic Laboratories (NAL) or Desired Sensation Level (DSL) prescription...
October 3, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28971020/elosulfase-alfa-enzyme-replacement-therapy-attenuates-disease-progression-in-a-non-ambulatory-japanese-patient-with-morquio-a-syndrome-case-report
#20
Misako Hiramatsu, Kimitoshi Nakamura
Enzyme replacement therapy (ERT) with elosulfase alfa is the only approved therapy in Japan for patients with Morquio A syndrome, a lysosomal storage disorder inherited in an autosomal recessive fashion. The experience with ERT in severely affected, non-ambulatory patients has not been reported in previous studies. This case report describes clinical evidence for the 1-year efficacy and safety of ERT with elosulfase alfa in a severely affected, non-ambulatory, 47-year-old patient with Morquio A syndrome who needs intensive respiratory management...
December 2017: Molecular Genetics and Metabolism Reports
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