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Otology & Neurotology

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https://www.readbyqxmd.com/read/30212429/the-medial-canthus-reference-electrode-is-not-electrically-indifferent-to-the-ocular-vestibular-evoked-myogenic-potential
#1
Erin G Piker, Gary P Jacobson, Kathryn F Makowiec, Paris M Atabek, Sara Krolewicz
OBJECTIVE: To determine whether a reference electrode placed over the contralateral medical canthus is electrically indifferent to the ocular vestibular evoked myogenic potential (oVEMP). STUDY DESIGN: Prospective observational study. SETTING: Tertiary academic center. PARTICIPANTS: Nineteen otologically normal subjects. METHODS: oVEMPs were recorded using a 500 Hz tone burst at 125 dB pSPL using both a conventional dual infra-orbital derivation and contralateral infraorbital electrode referenced to a medial canthus electrode known as the "belly-tendon" derivation...
September 12, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30212428/cholesteatoma-of-the-external-auditory-canal-review-of-staging-and-surgical-strategy
#2
Udayabhanu Hn, Sampath C Prasad, Alessandra Russo, Golda Grinblat, Mario Sanna
INTRODUCTION: External auditory canal cholesteatomas (EACC) is insidious in nature and rare entity. There are only few case series on EACCs and surgical strategy is not standardized. OBJECTIVES: 1) To elucidate etiology of EACC and cardinal features. 2) To suggest a practical staging of EACC. 3) To enumerate surgical management according to stage of EACC. STUDY DESIGN: Retrospective study in a quaternary referral center of 31 consecutive cases of EACC...
September 12, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30212427/sudden-sensorineural-hearing-loss-in-hemodialysis-patients-could-be-a-marker-of-pathogenic-progression-in-the-mortality-and-atherosclerotic-events-a-national-cohort-study
#3
Chu-Lin Chou, Tsung-Cheng Hsieh, Jin-Shuen Chen, Te-Chao Fang
OBJECTIVES: There are higher incidence of sudden sensorineural hearing loss (SSHL) in hemodialysis (HD) patients than in the general population. Long-term outcomes of HD patients with new-onset SSHL have yet to be investigated although SSHL is considered as an independent risk of cardiovascular diseases in the general population. We examined the risks of mortality and atherosclerotic events in HD patients with new-onset SSHL in Taiwan. STUDY DESIGN: Cohort study...
September 12, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30212426/multifocal-inflammatory-pseudotumor-of-the-temporal-bone-maxillary-sinus-and-orbit
#4
Hitomi Sakano, Cheng-Ping Shih, Aria Jafari, Adam DeConde, Jeffrey P Harris
OBJECTIVE: This is the first report of multifocal inflammatory pseudotumor (IPT) involving the temporal bone, orbit and paranasal sinus, and the use of rituximab as adjunctive therapy in multifocal temporal bone IPT. PATIENT: We describe a 46-year-old man with orbital and maxillary sinus IPT, whose disease progressed despite radiation and steroid burst. He then developed contralateral mastoid disease, otalgia, aural fullness, and hearing loss. INTERVENTION: He was initiated on rituximab and prednisone therapy...
September 12, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30169471/hearing-restoration-during-vestibular-schwannoma-surgery-with-transcanal-approach-anatomical-and-functional-preliminary-report
#5
Daniele Marchioni, Sheila Veronese, Marco Carner, Andrea Sacchetto, Luca Sacchetto, Barbara Masotto, Luca Bianconi
OBJECTIVE: Hearing restoration has always been a dream in vestibular schwannoma (VS) surgery. The aim of this study is to describe an endoscopic assisted transcanal retrocochlear approach to the internal auditory canal (IAC) with total removal of the VS; simultaneously we assessed the anatomical and functional aspects of hearing restoration with cochlear implant (CI). STUDY DESIGN: A retrospective case series. SETTING: Tertiary referral center...
August 30, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30106843/spontaneous-vestibular-schwannoma-regression-a-case-control-study
#6
Theofano Tikka, Constantina P Yiannakis, Emma Stapleton, Richard Locke, John A Crowther, William A S Taylor, Georgios Kontorinis
OBJECTIVE: To explore the nature of spontaneously regressing vestibular schwannomas (VS) and identify possible predictive factors for such behavior. STUDY DESIGN: Retrospective case control study. SETTING: Tertiary referral center, university teaching hospital. PATIENTS: Patients with sporadic VS demonstrating spontaneous regression compared with a control group of patients with growing VS. INTERVENTIONS: Review of serial magnetic resonance imaging of the internal auditory meatus (MRI IAM) and case notes and direct comparison of possible related factors between the two groups using univariate analysis...
August 13, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30015753/salvage-radiosurgery-after-subtotal-resection-for-catecholamine-secreting-jugular-paragangliomas-report-of-two-cases-and-review-of-the-literature
#7
Cynthia M Chweya, Neil S Patel, William F Young, Bruce E Pollock, Michael J Link, Matthew L Carlson
OBJECTIVES: Catecholamine-secreting jugular paragangliomas (JPs) represent a rare subset of head and neck paragangliomas that may present with hypertension, arrhythmia, or syncopal episodes. Subtotal resection to protect critical neurovascular structures may result in persistent catecholamine excess from residual tumor. Herein, we report our experience with stereotactic radiosurgery (SRS) for salvage treatment of catecholamine-secreting JP following subtotal microsurgical resection. PATIENTS: Adult patients treated with SRS after subtotal microsurgical resection of catecholamine-secreting JP...
July 13, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30199506/giant-osteoma-in-the-mastoid-of-the-temporal-bone-complete-excision-of-a-rare-tumor
#8
Junhui Jeong, Yoon Jung Choi, Chang Eui Hong, Hyang Ae Shin
No abstract text is available yet for this article.
October 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30199505/cerebellar-abscess-caused-by-extension-of-an-otogenic-infection-through-the-labyrinth-and-internal-auditory-canal
#9
Maura Cathrien Eggink, Stephanie Carla Petra Maria Theunissen, Radboud Wilhemus Koot, Erik Frans Hensen
No abstract text is available yet for this article.
October 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30199504/imaging-case-of-the-month-cystic-facial-nerve-schwannoma
#10
Gordon F Z Tsang, Fatemeh Hassannia, Eugene Yu, John A Rutka
No abstract text is available yet for this article.
October 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30199503/factors-that-affect-length-of-hospital-stay-after-vestibular-schwannoma-surgery
#11
Nopawan Vorasubin, Thomas H Alexander, Bill Mastrodimos, Roberto A Cueva
OBJECTIVE: To identify perioperative factors that influence hospital length of stay (LOS) after resection of vestibular schwannoma (VS). STUDY DESIGN: Retrospective case review. SETTING: Tertiary skull base referral center. PATIENTS: Patients who underwent acoustic neuroma resection between January 1, 2007 and January 1, 2014. INTERVENTIONS: Approaches used for VS resection included translabyrinthine and retrosigmoid...
October 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30199502/a-polymer-based-extended-release-system-for-stable-long-term-intracochlear-drug-delivery
#12
Erik Pierstorff, Shanshan Chen, Maria Paola Chaparro, John M Cortez, Yen-Jung Chen, Su Young Ryu, Sherry M Tsai, Marc M Baum, Wan Wan Yang, Federico Kalinec, Thomas Smith, Stacey Ludwig, William H Slattery
OBJECTIVE: Investigate a new polymer-based drug coating suitability for safe intracochlear delivery and ability to maintain long-term physiologically active levels of the corticosteroid fluticasone propionate. STUDY DESIGN: In vitro dissolution study to evaluate release profiles of polymer-coated drug particles and in vivo studies using a guinea pig model to measure perilymph drug concentrations at specific time points after implantation with polymer-coated drug particles and evaluate their effect on hearing function...
October 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30199501/superior-canal-dehiscence-involving-the-superior-petrosal-sinus-a-novel-classification-scheme
#13
Alex D Sweeney, Brendan P O'Connell, Neil S Patel, Nicole M Tombers, George B Wanna, John I Lane, Matthew L Carlson
OBJECTIVES: To highlight superior semicircular canal dehiscence (SSCD) involving the superior petrosal sinus (SPS), and to propose a novel classification system for SPS associated SSCD with potential surgical implications. STUDY DESIGN: Multicenter retrospective review. SETTING: Three tertiary referral centers. PATIENTS: All patients diagnosed with SPS associated SSCD (1/2000 to 8/2016). Radiographic findings and clinical symptoms were analyzed...
October 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30199500/treatment-of-ciprofloxacin-resistant-ear-infections
#14
Kathryn Y Noonan, Soo Yeon Kim, Lye Yeng Wong, Isabella W Martin, Joseph D Schwartzman, James E Saunders
OBJECTIVE: Ciprofloxacin resistance has been reported in 4.5% of patients with otorrhea and is increasing in prevalence. Due to ototoxicity, only fluoroquinolones are Food and Drug Administration approved for topical therapy in the middle ear. Furthermore, there is an assumption that antibiotic resistance is less relevant to topical therapy due to in vivo concentrations much higher than the minimum inhibitory concentration used to determine resistance. This study investigates ciprofloxacin-resistant infections and seeks to develop a better understanding of treatment options and outcomes...
October 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30199499/unilateral-versus-bilateral-cochlear-implantation-in-children-with-auditory-neuropathy-spectrum-disorder-ansd
#15
Ashley M Nassiri, Robert J Yawn, Christine L Brown, Matthew R O'Malley, Marc L Bennett, Robert F Labadie, David S Haynes, Alejandro Rivas
OBJECTIVE: To evaluate audiologic outcomes following unilateral cochlear implantation with contralateral hearing aid (unilateral CI + HA) versus bilateral CI in children with auditory neuropathy spectrum disorder (ANSD). STUDY DESIGN: Retrospective case review. SETTING: Tertiary Care Otologic Practice. PATIENTS: Twenty-three patients with ANSD who underwent unilateral CI + HA or bilateral CI. INTERVENTIONS: Rehabilitative (CI)...
October 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30199498/single-sided-deaf-cochlear-implant-users-in-the-difficult-listening-situation-speech-perception-and-subjective-benefit
#16
David A Prejban, Jafar-Sasan Hamzavi, Christoph Arnoldner, Rudolfs Liepins, Clemens Honeder, Alexandra Kaider, Wolfgang Gstöttner, Wolf-Dieter Baumgartner, Dominik Riss
OBJECTIVES: Patients with single-sided deafness (SSD) have great difficulties in listening situations which rely on binaural auditory processing. The purpose of this study was to examine to which extent a cochlear implant (CI) can improve speech perception outcomes in various noisy listening environments. Additionally, the ability to use interaural level differences for sound localization and subjective benefit with the CI were assessed. METHODS: Ten single-sided deaf patients with CI were tested in different loudspeaker configurations with and without the CI...
October 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30199497/what-to-do-when-cochlear-implant-users-plateau-in-performance-a-pilot-study-of-clinician-guided-aural-rehabilitation
#17
Aaron C Moberly, Kara Vasil, Jodi Baxter, Christin Ray
HYPOTHESIS: For experienced adult cochlear implant (CI) users who have reached a plateau in performance, a clinician-guided aural rehabilitation (CGAR) approach can improve speech recognition and hearing-related quality of life (QOL). BACKGROUND: A substantial number of CI users do not reach optimal performance in terms of speech recognition ability and/or personal communication goals. Although self-guided computerized auditory training programs have grown in popularity, compliance and efficacy for these programs are poor...
October 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30199496/cochlear-implantation-with-a-novel-long-straight-electrode-the-insertion-results-evaluated-by-imaging-and-histology-in-human-temporal-bones
#18
Sini Sipari, Matti Iso-Mustajärvi, Hanna Matikka, Jyrki Tervaniemi, Arto Koistinen, Antti Aarnisalo, Saku T Sinkkonen, Heikki Löppönen, Aarno Dietz
HYPOTHESIS: To evaluate the insertion results of a novel straight array (EVO) by detailed imaging and subsequent histology in human temporal bones (TB). BACKGROUND: The main focuses of modern cochlear implant surgery are to prevent damage to the intracochlear structures and to preserve residual hearing. This is often achievable with new atraumatic electrode arrays in combination with meticulous surgical techniques. METHODS: Twenty fresh-frozen TBs were implanted with the EVO...
October 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30199495/is-there-a-relationship-between-bone-quality-and-hearing-level
#19
Seung Yeol Lee, Hyung Sun Hong, Seung-Chan Yang, Kyu-Sung Kim, Hyun Ji Kim
OBJECTIVES: This study evaluated the correlation between skull bone attenuation on temporal bone computed tomography (CT) and bone mineral density (BMD) of the central skeleton on dual-energy x-ray absorptiometry (DXA) and the correlation between bone quality and hearing level. STUDY DESIGN: Retrospective observational. SETTING: Tertiary referral center. PATIENTS/INTERVENTIONS: One hundred and one ears of 101 patients who underwent temporal bone CT and DXA with pure tone audiometry within 3 months of CT...
October 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30153132/cognitive-performance-of-severely-hearing-impaired-older-adults-before-and-after-cochlear-implantation-preliminary-results-of-a-prospective-longitudinal-cohort-study-using-the-rbans-h
#20
Annes J Claes, Paul Van de Heyning, Annick Gilles, Vincent Van Rompaey, Griet Mertens
OBJECTIVE: To evaluate cognitive change in severely hearing-impaired older adults after cochlear implantation. STUDY DESIGN: Prospective, longitudinal cohort study with assessments before, and at 6 and 12 months after implantation. PATIENTS: Twenty older adults (median age: 71.5 yr). MAIN OUTCOME MEASURES: Change in the Repeatable Battery for the Assessment of Neuropsychological Status for Hearing-impaired individuals (RBANS-H) total score and subdomain scores were used to assess cognitive evolution...
October 2018: Otology & Neurotology
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