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Hearing impairment

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https://www.readbyqxmd.com/read/28212161/hearing-impairment-and-the-amelioration-of-avoidable-medical-error-a-cross-sectional-survey
#1
Patrick Henn, Colm OʼTuathaigh, Darrelle Keegan, Simon Smith
OBJECTIVES: Hearing loss contributes to suboptimal medical treatment. We investigated the nature and magnitude of potential health-care harm of hearing loss alone on a patient's understanding of medical consultations, investigations, and treatments of health conditions unrelated to their hearing loss. METHODS: A cross-sectional, questionnaire-based design of a convenience sample of students with hearing loss, registered with the institutional disability support service in 8 Irish and 15 UK third-level institutions...
February 16, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28211317/primary-human-cytomegalovirus-hcmv-infection-in-pregnancy
#2
Horst Buxmann, Klaus Hamprecht, Matthias Meyer-Wittkopf, Klaus Friese
BACKGROUND: In 0.5-4% of pregnancies, the prospective mother sustains a primary infection with human cytomegalovirus (HCMV). An HCMV infection of the fetus in the first or second trimester can cause complex post-encephalitic impairment of the infant brain, leading to motor and mental retardation, cerebral palsy, epilepsy, retinal defects, and progressive hearing loss. METHODS: This review is based on pertinent publications from January 2000 to October 2016 that were retrieved by a selective search in PubMed employing the terms "cytomegalovirus and pregnancy" and "congenital cytomegalovirus...
January 27, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28211175/systematic-review-and-meta-analysis-of-the-association-of-autism-spectrum-disorder-in-visually-or-hearing-impaired-children
#3
Belinda Do, Paige Lynch, Elena-Marie Macris, Brianna Smyth, Stephanie Stavrinakis, Stephen Quinn, Paul A Constable
PURPOSE: To determine whether there is an association with a congenital visual or hearing impairment (VI or HI) and Autism Spectrum Disorder (ASD) in children. METHODS: A systematic literature review was performed using nine relevant databases limited to peer reviewed articles in English between 1994 and January 2016. The search identified 1248 articles after duplicates were removed with subsequent screening of the abstracts excluding a further 1199, resulting in 49 full-text articles that were then independently assessed by five of the authors with a final 15 articles meeting the inclusion criteria...
March 2017: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/28207627/letter-to-the-editor-regarding-oyewumi-m-wolter-ne-heon-e-gordon-ka-papsin-bc-cushing-sl-using-balance-function-to-screen-for-vestibular-impairment-in-children-with-sensorineural-hearing-loss-and-cochlear-implants
#4
https://www.readbyqxmd.com/read/28196098/prevalence-of-minimal-hearing-loss-in-south-korea
#5
Ji Eun Choi, Jungmin Ahn, Hyun Woo Park, Sun-Young Baek, Seonwoo Kim, Il Joon Moon
This study evaluated the prevalence of minimal hearing loss (MHL) in South Korea based on the 2010 to 2012 Korea National Health and Nutrition Examination Survey. A total of 16,630 representative individuals (older than 12 years) who completed ear examinations and structured questionnaires were analyzed. Only participants who had normal tympanic membranes were included. MHL was categorized into the following three groups: 1) unilateral sensorineural hearing loss (USHL, pure-tone average (PTA) ≥ 15 dB in the affected ear), 2) bilateral sensorineural hearing loss (BSHL, 15 dB ≤ PTA < 40 dB in both ears), and 3) high-frequency sensorineural hearing loss (HFSHL, two or more high-frequency thresholds > 25 dB in either ear)...
2017: PloS One
https://www.readbyqxmd.com/read/28191326/consanguinity-among-parents-of-iranian-deaf-children
#6
Mohammad Ajallouyan, Shokofeh Radfar, Sima Nouhi, Seid Abbas Tavallaie, Susan Amirsalari, Jaleh Yousefi, Mahdieh Hasanali Fard
BACKGROUND: It seems that there is a relationship between consanguinity and profound hearing loss but there is little data about the association of consanguinity and hearing loss in Iran. OBJECTIVES: The aim of this study is to demonstrate the causes of profound bilateral sensorineural hearing loss among Iranian samples who are candidates for cochlear implantation. METHODS: This study was retrospective, analytical, and designed to collect information about profound hearing impaired cases referred to the Baqiyatallah Cochlear implantation center using enumeration...
November 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28183797/ca-2-binding-protein-2-inhibits-ca-2-channel-inactivation-in-mouse-inner-hair-cells
#7
Maria Magdalena Picher, Anna Gehrt, Sandra Meese, Aleksandra Ivanovic, Friederike Predoehl, SangYong Jung, Isabelle Schrauwen, Alberto Giulio Dragonetti, Roberto Colombo, Guy Van Camp, Nicola Strenzke, Tobias Moser
Ca(2+)-binding protein 2 (CaBP2) inhibits the inactivation of heterologously expressed voltage-gated Ca(2+) channels of type 1.3 (CaV1.3) and is defective in human autosomal-recessive deafness 93 (DFNB93). Here, we report a newly identified mutation in CABP2 that causes a moderate hearing impairment likely via nonsense-mediated decay of CABP2-mRNA. To study the mechanism of hearing impairment resulting from CABP2 loss of function, we disrupted Cabp2 in mice (Cabp2(LacZ/LacZ) ). CaBP2 was expressed by cochlear hair cells, preferentially in inner hair cells (IHCs), and was lacking from the postsynaptic spiral ganglion neurons (SGNs)...
February 9, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28179479/impaired-auditory-to-motor-entrainment-in-parkinson-s-disease
#8
Erik S Te Woerd, Robert Oostenveld, Floris Pieter De Lange, Peter Praamstra
Several electrophysiological studies suggest that PD patients have a reduced tendency to entrain to regular environmental patterns. Here we investigate whether this reduced entrainment concerns a generalized deficit or is confined to movement-related activity, leaving sensory entrainment intact. Magnetoencephalography (MEG) was recorded during a rhythmic auditory target detection task in 14 PD patients and 14 control subjects. Participants were instructed to press a button when hearing a target tone amidst an isochronous sequence of standard tones...
February 8, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28178980/novel-neuro-audiological-findings-and-further-evidence-for-twnk-involvement-in-perrault-syndrome
#9
Monika Ołdak, Dominika Oziębło, Agnieszka Pollak, Iwona Stępniak, Michal Lazniewski, Urszula Lechowicz, Krzysztof Kochanek, Mariusz Furmanek, Grażyna Tacikowska, Dariusz Plewczynski, Tomasz Wolak, Rafał Płoski, Henryk Skarżyński
BACKGROUND: Hearing loss and ovarian dysfunction are key features of Perrault syndrome (PRLTS) but the clinical and pathophysiological features of hearing impairment in PRLTS individuals have not been addressed. Mutations in one of five different genes HSD17B4, HARS2, LARS2, CLPP or TWNK (previous symbol C10orf2) cause the autosomal recessive disorder but they are found only in about half of the patients. METHODS: We report on two siblings with a clinical picture resembling a severe, neurological type of PRLTS...
February 8, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28169839/speech-intelligibility-as-a-cue-for-acceptable-noise-levels
#10
Karrie L Recker, Christophe Micheyl
OBJECTIVES: The goal of this study was to examine whether individuals are using speech intelligibility to determine how much noise they are willing to accept while listening to running speech. Previous research has shown that the amount of background noise that an individual is willing to accept while listening to speech is predictive of his or her likelihood of success with hearing aids. If it were possible to determine the criterion by which individuals make this judgment, then it may be possible to alter this cue, especially for those who are unlikely to be successful with hearing aids, and thereby improve their chances of success with hearing aids...
February 6, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28168056/the-influence-of-speech-language-hearing-therapy-duration-on-the-degree-of-improvement-in-poststroke-language-impairment
#11
Hitoshi Hayashi, Eisaku Okada, Yosuke Shibata, Mieko Nakamura, Toshiyuki Ojima
Background. The relevance of speech-language-hearing therapy (ST) duration to language impairment remains unclear. Objective. To determine the effect of ST duration on improvement in language impairment as a stroke sequela and to compare the findings with those for occupational therapy (OT) and physical therapy (PT). Methods. Data regarding patients with stroke sequelae who were registered in the Japanese Association of Rehabilitation Medicine database were analyzed. Propensity scores for ST, OT, and PT duration were calculated using logistic regression, followed by inverse probability weighting in generalized estimating equations to examine the odds ratio for improvement in the Functional Independence Measures scores for comprehension, expression, and memory...
2017: Rehabilitation Research and Practice
https://www.readbyqxmd.com/read/28167001/childhood-hearing-loss-a-need-for-primary-health-care
#12
Segun Ayodeji Ogunkeyede, Stephen Oluwatosin Adebola, Abdulwasiu Salman, Akeem Olawale Lasisi
INTRODUCTION: Essential health care for children is the care of the ear. METHODS: A cross-sectional descriptive study of 155 children with hearing loss. RESULTS: A total of 155 pupils with hearing impairment and their parents were interviewed; 77(49.7%) males and 78(50.3%) females, age ranged from 6 to 15years (mean 9.11 ± 2.5 years). None of the participants had neonatal hearing screening. Parents detected the hearing loss at a mean age of 2...
March 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28166997/the-effects-of-cochlear-implantation-on-vestibular-function-in-1-4-years-old-children
#13
Mohammad Ajalloueyan, Masoumeh Saeedi, Mohammad Sadeghi, Farzaneh Zamiri Abdollahi
OBJECTIVES: Although cochlear implants offer an effective hearing restoration option in children with severe to profound hearing loss, concern continues to exist regarding the possible effects of cochlear implantation on the vestibular system and balance. METHODS: In a prospective cohort study, 27 children with bilateral profound hearing loss (all candidates for cochlear implantation) were evaluated for their vestibular function before and after cochlear implantation...
March 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28165045/%C3%AE-1-and-%C3%AE-2-adrenergic-stimulation-induced-electrogenic-transport-by-human-endolymphatic-sac-epithelium-and-its-clinical-implications
#14
Bo Gyung Kim, Jin Young Kim, JinSei Jung, In Seok Moon, Joo-Heon Yoon, Jae Young Choi, Sung Huhn Kim
The endolymphatic sac (ES) is a cystic structure of the inner ear connected to the cochlea and vestibule, which plays a role in regulating ion homeostasis in inner ear fluid. Disruption of ion homeostasis can cause inner ear disorders with hearing loss and dizziness, such as Meniere's disease. Herein, we found, for the first time, functional evidence for the involvement of β1- and β2-adrenergic receptors in apical electrogenic ion transport by human ES epithelium by using electrophysiological/pharmacological and molecular biological methods, which were dependent on K(+) and Cl(-) ion transport...
February 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28163683/hearing-impairment-is-associated-with-smaller-brain-volume-in-aging
#15
Stephanie C Rigters, Daniel Bos, Mick Metselaar, Gennady V Roshchupkin, Robert J Baatenburg de Jong, M Arfan Ikram, Meike W Vernooij, André Goedegebure
Although recent studies show that age-related hearing impairment is associated with cerebral changes, data from a population perspective are still lacking. Therefore, we studied the relation between hearing impairment and brain volume in a large elderly cohort. From the population-based Rotterdam Study, 2,908 participants (mean age 65 years, 56% female) underwent a pure-tone audiogram to quantify hearing impairment. By performing MR imaging of the brain we quantified global and regional brain tissue volumes (total brain volume, gray matter volume, white matter (WM) volume, and lobe-specific volumes)...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28163314/a-narrative-review-of-obesity-and-hearing-loss
#16
REVIEW
N Dhanda, S Taheri
The comorbidities related to obesity are both extensive and established, but as the prevalence of obesity increases globally, so to do the number of its associated conditions. The relationship between hearing impairment and obesity is a relatively recent research interest, but significant as both conditions have the ability to substantially reduce an individual's quality of life both physically and psychologically. Obesity has a significant effect on vascular function and this may impact highly vascular organs such as the auditory system...
February 6, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28154359/impairments-of-inner-ears-caused-by-physical-environmental-stresses
#17
Nobutaka Ohgami, Reina Oshino, Hiromasa Ninomiya, Xiang Li, Masashi Kato
The inner ears contain the organ of Corti, vestibule and semicircular canal. The organ of Corti is crucial for hearing, while the vestibule and semicircular canal play important roles in maintaining balance. Exposure to noise at excessive levels is known to cause damages of the inner ears, resulting in noise-induced hearing loss. On the other hand, noise levels (dB) are used for the evaluation of health risks by exposure to noise, although noise consists of sound with broad frequencies (Hz). Thus, information about the frequency-dependent effect of noise on health is largely unknown...
2017: Nihon Eiseigaku Zasshi. Japanese Journal of Hygiene
https://www.readbyqxmd.com/read/28151457/effectiveness-of-stapedotomy-in-improving-hearing-sensitivity-for-53-otosclerotic-patients-retrospective-review
#18
Farid Alzhrani, Mohammad M Mokhatrish, Murad O Al-Momani, Hassan Alshehri, Abdulrahman Hagr, Soha N Garadat
BACKGROUND: Otosclerosis is a common cause of progressive hearing impairment that causes fixation of the stapes. Surgical intervention is the preferred treatment approach to ameliorate the conductive hearing loss associated with stapedial otosclerosis. However, given that it is a difficult and delicate procedure, the surgery may fail for a number of reasons. Therefore, it is very important to evaluate the success rate of the surgical approach used in each regional center. OBJECTIVE: To examine the effectiveness of stapedotomy in improving hearing sensitivity for otosclerotic patients at King Abdul Aziz University Hospital in Riyadh...
January 2017: Annals of Saudi Medicine
https://www.readbyqxmd.com/read/28148613/delirium-in-trauma-patients-prevalence-and-predictors
#19
Kathryn T Von Rueden, Breighanna Wallizer, Paul Thurman, Karen McQuillan, Tiffany Andrews, Jennifer Merenda, Heesook Son
BACKGROUND: Delirium is associated with increased mortality, morbidity, hospital costs, and postdischarge cognitive dysfunction. Most research focuses on nontrauma patients receiving mechanical ventilation in the intensive care unit. OBJECTIVES: To determine the prevalence and predictors of delirium in trauma patients residing in intensive and intermediate care units of an academic medical center. METHODS: Trauma patients were screened for delirium by using the Confusion Assessment Method for the Intensive Care Unit...
February 2017: Critical Care Nurse
https://www.readbyqxmd.com/read/28147616/evaluation-of-near-end-speech-enhancement-under-equal-loudness-constraint-for-listeners-with-normal-hearing-and-mild-to-moderate-hearing-loss
#20
Tudor-Cătălin Zorilă, Yannis Stylianou, Sheila Flanagan, Brian C J Moore
Four algorithms designed to enhance the intelligibility of speech when noise is added after processing were evaluated under the constraint that the speech should have the same loudness before and after processing, as determined using a loudness model. The algorithms applied spectral modifications and two of them included dynamic-range compression. On average, the methods with dynamic-range compression required the least level adjustment to equate loudness for the unprocessed and processed speech. Subjects with normal-hearing (experiment 1) and mild-to-moderate hearing loss (experiment 2) were tested using unmodified and enhanced speech presented in speech-shaped noise (SSN) and a competing speaker (CS)...
January 2017: Journal of the Acoustical Society of America
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