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hear failure

P Han, X R Niu, X Y Du, Z C Chen, Y Xu, Y Cheng, Y Gao, Q Zhang, M Xu
Cochlear implant (CI) is an artificial electronic device which can provide a sense of sound to a patient with severe or profound hearing loss. Pathological changes have been observed after CI surgery, which might influence the effectiveness of the CI procedure. In this review, we divided the postoperative pathological changes of the temporal bone into two categories according to different stages: immediate trauma and delayed side effects. Immediate trauma might arise from traumatic insertion of the electrode during CI surgery, which included trauma at cochleostomy site, lateral wall trauma, basilar membrane injury, osseous lamina fracture and modiolar injury...
October 7, 2016: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
F Solmaz, D Akduman, M Haksever, E Gündoğdu, M Yanılmaz, A Mescioğlu
Cartilage is one of the most preferable grafts for tympanoplasty (TPL). The anatomical and audiological results and take rates of perichondrium attached cartilage island graft in tympanoplasty (PACIT) are presented herein. One hundred ninety four ears of 191 patients (108 male, 83 female) were evaluated retrospectively in terms of the type of surgery, graft take rate and hearing results. Type I, II, and III TPL were performed in 127 (65.46%), 45 (23.20%), and 22 (11.34%) ears, respectively. The overall mean preoperative pure tone average-air bone gaps (PTA-ABGs) for TPL types were 33...
August 2016: Acta Otorhinolaryngologica Italica
Susannah Sherlock, Kenneth Thistlethwaite, Alessandro Rubini, Mohsina Khatun, Christopher Perry, Alexis Tabah
OBJECTIVE: To analyse predictive factors affecting outcome after treatment with hyperbaric oxygen (HBOT) in patients with idiopathic sudden sensorineural hearing loss (ISSHL). METHODS: This is a retrospective audit of outcome in 77 consecutive patients referred for consideration of HBOT for ISSHL for either adjunctive treatment or after failure of steroid therapy. The hearing measured from the pre- and post-HBOT pure-tone audiogram (PTA4) at four frequencies; 500 Hz, 1 kHz, 2 kHz and 4 kHz, was averaged and compared...
September 2016: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
Dong Hee Lee, Jisun Kim, Eunhye Shin, Yulgyun Kim, Yesun Cho
OBJECTIVE: The aims of our study were to evaluate the outcome of office-based paper patch grafting in tympanic membrane (TM) perforation regardless of the disease duration or etiology and to compare the clinical factors influencing the successful closure of perforation between the success and failure groups of paper patch myringoplasty. MATERIALS AND METHODS: This is a retrospective study of 114 patients that underwent paper patch myringoplasty in an outpatient setting (success group, 83 cases; failure group, 31 cases)...
August 2016: Journal of International Advanced Otology
Mashriq Alganabi, Ahmad Eter
We report a case of a 48-year-old male who presented with hematuria of at least 10 years, and has a daughter with hematuria as well. The patient has a history of degenerative hearing loss, decreased vision and cataract formation, but no diabetes, hypertension or proteinuria. A full serology and urology workup was negative for any abnormality. A kidney biopsy for the patient revealed a diagnosis of Alport syndrome but was unable to rule out thin basement membrane disease. The biopsy was inconclusive in making the diagnosis but the patient's clinical presentation led to the diagnosis of Alport syndrome...
October 2016: Journal of Clinical Medicine Research
Judith Savige, Helen Storey, Hae Il Cheong, Hee Gyung Kang, Eujin Park, Pascale Hilbert, Anton Persikov, Carmen Torres-Fernandez, Elisabet Ars, Roser Torra, Jens Michael Hertz, Mads Thomassen, Lev Shagam, Dongmao Wang, Yanyan Wang, Frances Flinter, Mato Nagel
Alport syndrome results from mutations in the COL4A5 (X-linked) or COL4A3/COL4A4 (recessive) genes. This study examined 754 previously- unpublished variants in these genes from individuals referred for genetic testing in 12 accredited diagnostic laboratories worldwide, in addition to all published COL4A5, COL4A3 and COL4A4 variants in the LOVD databases. It also determined genotype-phenotype correlations for variants where clinical data were available. Individuals were referred for genetic testing where Alport syndrome was suspected clinically or on biopsy (renal failure, hearing loss, retinopathy, lamellated glomerular basement membrane), variant pathogenicity was assessed using currently-accepted criteria, and variants were examined for gene location, and age at renal failure onset...
2016: PloS One
Shingisai Chando, Christian Young, Jonathan C Craig, Hasantha Gunasekera, Allison Tong
UNLABELLED: This study aims to describe parental experiences and perspectives of caring for a child with otitis media. We conducted a systematic review of qualitative studies on parental perspectives on caring for a child with otitis media. We searched electronic databases to July 2015. Seventeen studies involving 284 participants from six countries were included. We identified seven themes: diminishing competency (guilt over failure to identify symptoms, helpless and despairing, fear of complications, disempowered and dismissed); disrupting life schedules (disturbing sleep, interfering with work, burden on family); social isolation (stigma and judgement, sick consciousness); threatening normal development (delaying growth milestones, impairing interpersonal skills, impeding education); taking ownership (recognising symptoms, diagnostic closure, working the system, protecting against physical trauma, contingency planning); valuing support (needing respite, depending on community, clinician validation); and cherishing health (relief with treatment success, inspiring resilience)...
October 2016: European Journal of Pediatrics
Krysta J Trevis, Neil M McLachlan, Sarah J Wilson
The cognitive mechanisms underpinning chronic tinnitus (CT; phantom auditory perceptions) are underexplored but may reflect a failure to switch attention away from a tinnitus sound. Here, we investigated a range of components that influence the ability to switch attention, including cognitive control, inhibition, working memory and mood, on the presence and severity of CT. Our participants with tinnitus showed significant impairments in cognitive control and inhibition as well as lower levels of emotional well-being, compared to healthy-hearing participants...
2016: Frontiers in Psychology
Diane Kunyk, Margaret Milner, Alissa Overend
Two nurses diagnosed with opioid addiction launched legal action after being found guilty of unprofessional conduct due to addiction-related behaviors. When covered by the media, their cases sparked both public and legal controversies. We are curious about the broader discursive framings that led to these strong reactions, and analyze the underlying structures of knowledge and power that shape the issue of opioid addiction in the profession of nursing through a critical discourse analysis of popular media, legal blogs and hearing tribunals...
September 7, 2016: Nursing Inquiry
Leanne Dibbens, Michael Schwake, Paul Saftig, Guido Rubboli
Action myoclonus-renal failure syndrome (AMRF) is an autosomal recessive progressive myoclonus epilepsy (PME) associated with renal dysfunction that appears in the second or third decade of life and that is caused by loss-of-function mutations in the SCARB2 gene encoding lysosomal integral membrane protein type 2 (LIMP2). Recent reports have documented cases with PME associated with SCARB2 mutations without renal compromise. Additional neurological features can be demyelinating peripheral neuropathy, hearing loss and dementia...
September 1, 2016: Epileptic Disorders: International Epilepsy Journal with Videotape
Hongyan Liu, Tao Li, Hongdan Wang, Liangjie Guo, Dong Wu, Hai Xiao, Qiannan Guo, Tao Wang
OBJECTIVE: To analyze the clinical manifestations and mutation of MYH9 gene in a large Chinese family affected with MYH9-related thrombocytopenia. METHODS: After informed consent was obtained; clinical examination and history investigation was performed on 29 members of the family. DNA was extracted using a standard method, then exons 1 to 40 and their corresponding exon-intron junctions of the MYH9 gene were amplified with PCR and subjected to Sanger sequencing...
October 2016: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
Kyoko Kitao, Kunio Mizutari, Susumu Nakagawa, Tatsuo Matsunaga, Satoshi Fukuda, Masato Fujii
Reduction of endocochlear potential (EP) is one of the main causes of sensorineural hearing loss. In this study, we investigated changes in the EP using a mouse model of acute cochlear energy failure, which comprised severe cochlear lateral wall damage induced by the local administration of 3-nitropropionic acid to the inner ear. We also analyzed the correlation between EP changes and histological findings in the cochlear lateral wall. We detected the recovery of the EP and hearing function at lower frequencies after severe damage of the cochlear lateral wall fibrocytes at the corresponding region...
October 19, 2016: Neuroreport
Nadia Ali Rimi, Rebeca Sultana, Kazi Ishtiak-Ahmed, Md Zahidur Rahman, Marufa Hasin, M Saiful Islam, Eduardo Azziz-Baumgartner, Nazmun Nahar, Emily S Gurley, Stephen P Luby
BACKGROUND: The spread of the highly pathogenic avian influenza (HPAI) H5N1 virus among poultry and humans has raised global concerns and has motivated government and public health organizations to initiate interventions to prevent the transmission of HPAI. In Bangladesh, H5N1 became endemic in poultry and seven human H5N1 cases have been reported since 2007, including one fatality. This study piloted messages to increase awareness about avian influenza and its prevention in two rural communities, and explored change in villagers' awareness and behaviors attributable to the intervention...
2016: BMC Public Health
G Spatola, R Carron, C Delsanti, J-M Thomassin, P-H Roche, J Régis
INTRODUCTION: The aim of this study was to analyze the long-term results of Gamma-knife radiosurgery treatment of vestibular schwannomas in type 2 neurofibromatosis patients. MATERIALS AND METHODS: A cohort of 129 treatments for vestibular schwannomas in 103 patients was selected from a prospectively-maintained clinical database. Tumor control was assessed by volumetric analysis of the tumor at the last follow-up. Any need of a further procedure such as microsurgical removal or second treatment was regarded as a failure of tumor control...
August 12, 2016: Neuro-Chirurgie
Mariano E Menendez, David Ring, Andrew Jawa
BACKGROUND: Patient falls are one of the most commonly reported safety incidents in hospitals and an important cause of harm. Despite growing interest in postoperative fall prevention, data on the extent and correlates of falls among elective orthopedic inpatients are sparse and confined to lower limb arthroplasty. We evaluated inpatient fall trends after elective shoulder arthroplasty and identified patient and hospital characteristics associated with the occurrence of falls. METHODS: We used discharge records from the Nationwide Inpatient Sample (2002-2011)...
August 10, 2016: Journal of Shoulder and Elbow Surgery
Susan D Emmett, Debara L Tucci, Ricardo F Bento, Juan M Garcia, Solaiman Juman, Juan A Chiossone-Kerdel, Ta J Liu, Patricia Castellanos de Muñoz, Alejandra Ullauri, Jose J Letort, Teresita Mansilla, Diana P Urquijo, Maria L Aparicio, Wenfeng Gong, Howard W Francis, James E Saunders
HYPOTHESIS: Cochlear implantation (CI) and deaf education are cost effective management strategies of childhood profound sensorineural hearing loss in Latin America. BACKGROUND: CI has been widely established as cost effective in North America and Europe and is considered standard of care in those regions, yet cost effectiveness in other economic environments has not been explored. With 80% of the global hearing loss burden existing in low- and middle-income countries, developing cost effective management strategies in these settings is essential...
September 2016: Otology & Neurotology
Maimi Ozeki-Satoh, Aoi Ishikawa, Shigehito Yamada, Chigako Uwabe, Tetsuya Takakuwa
We describe the three-dimensional morphogenesis of the middle ear ossicles (MEOs) according to Carnegie stage (CS) in human embryos. Seventeen samples including 33 MEOs from CS18 to 23 were selected from the Kyoto Collection. The primordia of the MEOs and related structures were histologically observed and three-dimensionally reconstructed from digital images. The timing of chondrogenesis was variable among structures. The stapes was recognizable as a vague condensation of the mesenchymal cells in all samples from CS18, whereas the malleus and incus were recognizable at CS19...
October 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
Samir Abu Rumeileh, Valentina Favoni, Francesco Toni, Giulia Pierangeli, Federico Oppi, Giovanna Calandra-Buonaura, David Milletti, Monica Maffei, Luigi Cirillo, Raffaele Agati, Giorgio Palandri, Pietro Cortelli
We describe the case of a man whose initial clinical presentation included sensorineural hearing loss and orthostatic hypotension. The patient was diagnosed with superficial siderosis associated with peripheral autonomic failure and tetraventricular hydrocephalus.
August 6, 2016: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
Kimberly A Fox, Todd M Phillips, Joseph H Yanta, Michael G Abesamis
CONTEXT: Post-arthroplasty metallosis, which refers to metallic corrosion and deposition of metallic debris in the periprosthetic soft tissues of the body, is an uncommon complication. Systemic cobalt toxicity post-arthroplasty is extremely rare. The few known fatal cases of cobalt toxicity appear to be a result of replacing shattered ceramic heads with metal-on-metal or metal-on-polyethylene implants. Friction between residual shards of ceramic and cobalt-chromium implants allows release of cobalt into the synovial fluid and bloodstream, resulting in elevated whole blood cobalt levels and potential toxicity...
November 2016: Clinical Toxicology
Benjamin J Allardyce, Rangam Rajkhowa, Rodney J Dilley, Zhigang Xie, Luke Campbell, Adrian Keating, Marcus D Atlas, Magnus von Unge, Xungai Wang
The acoustic and mechanical properties of silk membranes of different thicknesses were tested to determine their suitability as a repair material for tympanic membrane perforations. Membranes of different thickness (10-100μm) were tested to determine their frequency response and their resistance to pressure loads in a simulated ear canal model. Their mechanical rigidity to pressure loads was confirmed by tensile testing. These membranes were tested alongside animal cartilage, currently the strongest available myringoplasty graft as well as paper, which is commonly used for simpler procedures...
December 2016: Journal of the Mechanical Behavior of Biomedical Materials
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