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Hearing head injury

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https://www.readbyqxmd.com/read/29118200/vestibular-short-latency-evoked-potential-vsep-is-abolished-by-low-frequency-noise-exposure-in-rats
#1
Courtney Elaine Stewart, Ariane C Kanicki, Richard A Altschuler, W Michael King
The vestibular system plays a critical role in detection of head movements and is essential for normal postural control. Because of their anatomical proximity to the cochlea, the otolith organs are selectively exposed to sound pressure and are at risk for noise overstimulation. Clinical reports suggest a link between noise exposure and balance problems, but the structural and physiological basis for this linkage is not well understood. The goal of this study is to determine the effects of low frequency noise (LFN), on the otolith organs by correlating changes in vestibular short latency evoked potentials, (VsEPs), with changes in saccular afferent endings following noise exposure...
November 8, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/29105770/pediatric-tinnitus-a-clinical-perspective
#2
Kenny H Chan, Emily L Jensen, Dexiang Gao
OBJECTIVES/HYPOTHESIS: To define the clinical features and natural history of pediatric tinnitus from a practicing otolaryngologist's perspective and formulate hypotheses therein. STUDY DESIGN: Retrospective chart review. METHODS: A retrospective chart review of the electronic medical record was undertaken. Only relevant records with a prior otolaryngology clinic visit and audiologic testing were included. Patients seen during the last 2 years of the study period were contacted and completed a questionnaire to assess change in tinnitus and quantify potential alterations in quality of life, associated symptoms, and natural history...
November 6, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28981349/hearing-complaints-among-veterans-following-traumatic-brain-injury
#3
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/28892940/a-qualitative-study-on-knowledge-and-attitude-towards-risk-factors-early-identification-and-intervention-of-infant-hearing-loss-among-puerperal-mothers-a-short-survey
#4
Ravi Dudda, Hanumanth Prasad Muniyappa, Sahana Puttaraju, M S Lakshmi
INTRODUCTION: Maternal active participation and their support are critical for the success of early hearing loss detection program. Erroneous maternal decisions may have large life long consequences on the infant's life. The mothers' knowledge and their attitudes towards infant hearing loss is the basis for their decisions. AIM: The present study was done to determine the mothers' knowledge and their attitude towards risk factors of infant hearing loss, its early identification and intervention and also awareness of effect of consanguinity on hearing loss...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28641322/scuba-diving-and-otology-a-systematic-review-with-recommendations-on-diagnosis-treatment-and-post-operative-care
#5
REVIEW
Devon M Livingstone, Kristine A Smith, Beth Lange
Scuba diving is a popular recreational and professional activity with inherent risks. Complications related to barotrauma and decompression illness can pose significant morbidity to a diver's hearing and balance systems. The majority of dive-related injuries affect the head and neck, particularly the outer, middle and inner ear. Given the high incidence of otologic complications from diving, an evidence-based approach to the diagnosis and treatment of otic pathology is a necessity. We performed a systematic and comprehensive literature review including the pathophysiology, diagnosis, and treatment of otologic pathology related to diving...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28598950/drill-induced-cochlear-injury-during-otologic-surgery-intracochlear-pressure-evidence-of-acoustic-trauma
#6
Renee M Banakis Hartl, Jameson K Mattingly, Nathaniel T Greene, Nyssa F Farrell, Samuel P Gubbels, Daniel J Tollin
HYPOTHESIS: Drilling on the incus produces intracochlear pressure changes comparable to pressures created by high-intensity acoustic stimuli. BACKGROUND: New-onset sensorineural hearing loss (SNHL) following mastoid surgery can occur secondary to inadvertent drilling on the ossicular chain. To investigate this, we test the hypothesis that high sound pressure levels are generated when a high-speed drill contacts the incus. METHODS: Human cadaveric heads underwent mastoidectomy, and fiber-optic sensors were placed in scala tympani and vestibuli to measure intracochlear pressures (PIC)...
August 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28570420/semicircular-canal-pressure-changes-during-high-intensity-acoustic-stimulation
#7
Anne K Maxwell, Renee M Banakis Hartl, Nathaniel T Greene, Victor Benichoux, Jameson K Mattingly, Stephen P Cass, Daniel J Tollin
HYPOTHESIS: Acoustic stimulation generates measurable sound pressure levels in the semicircular canals. BACKGROUND: High-intensity acoustic stimuli can cause hearing loss and balance disruptions. To examine the propagation of acoustic stimuli to the vestibular end-organs, we simultaneously measured fluid pressure in the cochlea and semicircular canals during both air- and bone-conducted sound presentation. METHODS: Five full-cephalic human cadaveric heads were prepared bilaterally with a mastoidectomy and extended facial recess...
August 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28367945/a-case-of-superficial-siderosis-ameliorated-after-closure-of-dural-deficit-detected-by-mri-ciss-constructive-interference-in-steady-state-imaging
#8
Ayako Sakoda, Ken-Ichiro Yamashita, Mitsumasa Hayashida, Yukihide Iwamoto, Ryo Yamasaki, Jun-Ichi Kira
A 64-year-old male developed headache, dizziness, and difficulty hearing, two years after an operation for chronic subdural hematoma due to head injury. These symptoms gradually worsened over the following 15 years. As he showed bloody cerebrospinal fluid (CSF) and marginal hypointensity on the surface of the brain and spinal cord on T2/T2*-weighted MRI, he was diagnosed with superficial siderosis (SS), although the source of the bleeding was unclear and anti-hemorrhagic drugs were ineffective. When he was admitted to our hospital, neurological examination disclosed horizontal gaze-evoked nystagmus, severe bilateral hearing loss, scanning speech, and limb and truncal ataxia...
April 28, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28320600/tympanometry-and-isolated-fracture-of-the-stapes
#9
C Aussedat, C Bobiller, K Gaillot, E Lescanne, D Bakhos
INTRODUCTION: Temporal bone fractures are frequently associated with ossicular dislocations or fractures, most commonly involving the incus. To our knowledge, isolated fracture of the posterior crus of the stapes has not been previously reported. CASE REPORT: A 20-year-old man consulted for persistent left hypoacusis several months after a head injury. Initial computed tomography of the temporal bone showed a simple temporal bone fracture with no other associated abnormalities...
March 17, 2017: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/28319479/brainstem-evoked-potential-indices-of-subcortical-auditory-processing-after-mild-traumatic-brain-injury
#10
Kathy R Vander Werff, Brian Rieger
OBJECTIVES: The primary aim of this study was to assess subcortical auditory processing in individuals with chronic symptoms after mild traumatic brain injury (mTBI) by measuring auditory brainstem responses (ABRs) to standard click and complex speech stimuli. Consistent with reports in the literature of auditory problems after mTBI (despite normal-hearing thresholds), it was hypothesized that individuals with mTBI would have evidence of impaired neural encoding in the auditory brainstem compared to noninjured controls, as evidenced by delayed latencies and reduced amplitudes of ABR components...
July 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28314420/sport-injuries-of-the-ear-and-temporal-bone
#11
REVIEW
L Mariel Osetinsky, Grant S Hamilton, Matthew L Carlson
In cases of head trauma, the ear should be evaluated in all of its components. A good understanding of otologic and skull base anatomy enables a thorough trauma assessment of this complex anatomic region. Auricular laceration, abrasion, avulsion, hematoma, frostbite, otitis externa, exostosis, tympanic membrane perforation, ossicular discontinuity, perilymphatic fistula, labyrinthine concussion, temporal bone fracture, facial nerve paresis, and sensorineural hearing loss are a few of the more common otologic injuries seen in active patients...
April 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/28229293/age-related-hearing-loss-and-dementia-a-10-year-national-population-based-study
#12
Peijen Su, Chih-Chao Hsu, Hung-Ching Lin, Wei-Shin Huang, Tsung-Lin Yang, Wei-Ting Hsu, Cheng-Li Lin, Chung-Yi Hsu, Kuang-Hsi Chang, Yi-Chao Hsu
Age-related hearing loss (ARHL) is postulated to affect dementia. Our study aims to investigate the relationship between ARHL and the prevalence, and 10-year incidence of dementia in the Taiwan National Health Insurance Research Database (NHIRD). We selected patients diagnosed with ARHL from the NHIRD. A comparison cohort comprising of patients without ARHL was frequency-matched by age, sex, and co-morbidities, and the occurrence of dementia was evaluated in both cohorts. The ARHL cohort consisted of 4108 patients with ARHL and the control cohort consisted of 4013 frequency-matched patients without ARHL...
May 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28109485/ampleness-of-head-movements-of-children-and-adolescents-with-sensorineural-hearing-loss
#13
Renato de Souza Melo
INTRODUCTION: Head movements are controlled by the vestibular system. Children with sensorineural hearing loss can present restrictions in ampleness of head movements due to damage in the vestibule-cochlear systems, resulting from injury in the inner ear. OBJECTIVE: To evaluate the ampleness of head movements of children with normal hearing and children with sensorineural hearing loss and compare data between groups. METHODS: Cross-sectional study that evaluated the ampleness of head movements of 96 students, being 48 with normal hearing and 48 with sensorineural hearing loss, of both sexes, with aged between 7 and 18 years old...
February 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28031153/surgical-management-and-hearing-outcome-of-traumatic-ossicular-injuries
#14
Stefan Delrue, Nicolas Verhaert, Joost van Dinther, Andrzej Zarowski, Thomas Somers, Christian Desloovere, Erwin Offeciers
OBJECTIVE: The purpose of this study was to investigate etiological, clinical, and pathological characteristics of traumatic injuries of the middle ear ossicular chain and to evaluate hearing outcome after surgery. MATERIAL AND METHODS: Thirty consecutive patients (31 ears) with traumatic ossicular injuries operated on between 2004 and 2015 in two tertiary referral otologic centers were retrospectively analyzed. Traumatic events, clinical features, ossicular lesions, treatment procedures, and audiometric results were evaluated...
December 2016: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/27895001/surgical-management-and-hearing-outcome-of-traumatic-ossicular-injuries
#15
Stefan Delrue, Nicolas Verhaert, Joost van Dinther, Andrzej Zarowski, Thomas Somers, Christian Desloovere, Erwin Offeciers
OBJECTIVE: The purpose of this study was to investigate etiological, clinical, and pathological characteristics of traumatic injuries of the middle ear ossicular chain and to evaluate hearing outcome after surgery. MATERIAL AND METHODS: Thirty consecutive patients (31 ears) with traumatic ossicular injuries operated on between 2004 and 2015 in two tertiary referral otologic centers were retrospectively analyzed. Traumatic events, clinical features, ossicular lesions, treatment procedures, and audiometric results were evaluated...
November 28, 2016: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/27833872/effects-of-chemoradiation-on-hearing-in-patients-with-head-and-neck-malignancies-experience-at-a-tertiary-referral-care-hospital
#16
Abhineet Jain, Praveer K Banerjee, D Manjunath
Hearing loss as a side effect in patients with head and neck malignancies with chemoradiation is frequently ignored. Its effects on auditory functions are less studied and there are studies done on animals which are less reliable. The present study was undertaken to identify the type of hearing loss and also to quantify the degree of hearing loss in these patients. A prospective, descriptive study was undertaken in histologically proven head and neck cancer patients treated with cobalt 60 teletherapy who received a dose of 60-66 Grays (Gy) over a period of 6-7 weeks with concurrent Cisplatin 30 mg/m(2) once weekly for 6 weeks...
December 2016: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/27774702/risk-factors-incidence-consequences-and-prevention-strategies-for-falls-and-fall-injury-within-older-indigenous-populations-a-systematic-review
#17
Caroline Lukaszyk, Lara Harvey, Cathie Sherrington, Lisa Keay, Anne Tiedemann, Julieann Coombes, Lindy Clemson, Rebecca Ivers
OBJECTIVE: To examine the risk factors, incidence, consequences and existing prevention strategies for falls and fall-related injury in older indigenous people. METHODS: Relevant literature was identified through searching 14 electronic databases, a range of institutional websites, online search engines and government databases, using search terms pertaining to indigenous status, injury and ageing. RESULTS: Thirteen studies from Australia, the United States, Central America and Canada were identified...
December 2016: Australian and New Zealand Journal of Public Health
https://www.readbyqxmd.com/read/27738540/contralateral-cochlear-labyrinthine-concussion-without-temporal-bone-fracture-unusual-posttraumatic-consequence
#18
I M Villarreal, D Méndez, J M Duque Silva, P Ortega Del Álamo
Introduction. Labyrinthine concussion is a term used to describe a rare cause of sensorineural hearing loss with or without vestibular symptoms occurring after head trauma. Isolated damage to the inner ear without involving the vestibular organ would be designated as a cochlear labyrinthine concussion. Hearing loss is not a rare finding in head trauma that involves petrous bone fractures. Nevertheless it generally occurs ipsilateral to the side of the head injury and extraordinarily in the contralateral side and moreover without the presence of a fracture...
2016: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/27662558/external-auditory-canal-stenosis-after-traumatic-auricular-amputation
#19
Justin E R E Wong Chung, Desderius C Chussi, Niels van Heerbeek
BACKGROUND: The auricles are easily injured or amputated in case of head trauma. Inadequate treatment of the external auditory canal (EAC) after auricular injury is often seen and can lead to significant complications of the EAC. CASE REPORT: The authors report 4 cases of auricular injury or amputations. In all patients inadequate first treatment led to stenosis of the EAC. Three patients required recanalization of the EAC because of hearing loss and the risk of further complications...
January 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27638079/posttraumatic-dizziness-and-vertigo
#20
REVIEW
M Szczupak, M E Hoffer, S Murphy, C D Balaban
Traumatic brain injury is an increasingly common public health issue, with the mild variant most clinically relevant for this chapter. Common causes of mild traumatic brain injury (mTBI) include motor vehicle accidents, athletics, and military training/deployment. Despite a range of clinically available testing platforms, diagnosis of mTBI remains challenging. Symptoms are primarily neurosensory, and include dizziness, hearing problems, headaches, cognitive, and sleep disturbances. Dizziness is nearly universally present in all mTBI patients, and is the easiest symptom to objectify for diagnosis...
2016: Handbook of Clinical Neurology
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