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https://www.readbyqxmd.com/read/27895002/impression-material-in-the-external-and-middle-ear-an-overview-of-the-literature-and-a-stepwise-approach-for-removal
#1
Froukje Verdam, Rinze Tange, Hans Thomeer
Here, we provide a literature overview of cases with protruding molding material for earplugs or hearing aids and subsequent required treatment, including our own cases. Patients at risk are those with impaired tympanic membranes or who previously underwent otologic surgery. Symptoms such as otalgia, tinnitus, and vertigo are alarming but do not always arise. In case of doubt, a CT scan is of additive value to prepare for adequate surgical removal and to limit potential damage. A stepwise approach for the clinician on how to address these challenging cases is presented, based upon the literature and our own experience...
November 28, 2016: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/27895001/surgical-management-and-hearing-outcome-of-traumatic-ossicular-injuries
#2
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/27837421/otologic-and-audiologic-findings-in-22q11-2-deletion-syndrome
#3
E Verheij, A L Kist, A B Mink van der Molen, I Stegeman, G A van Zanten, W Grolman, H G X M Thomeer
Hearing loss is frequently present in the 22q11.2 deletion syndrome. Our aim was to describe the audiologic and otologic features of patients with 22q11.2 deletion syndrome. We conducted a retrospective cohort study in a single tertiary referral center. We reviewed medical files of all patients with 22q11.2 deletion syndrome who visited an otolaryngologist, plastic surgeon or speech therapist, for audiologic or otologic features. Hearing loss was defined as a pure tone average (of 0.5, 1, 2, and 4 kHz) of >20 decibel hearing level...
November 11, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27833865/audiological-and-electrophysiological-changes-in-patients-with-vitiligo
#4
Richa Arya, Sanjay Kumar Munjal, Naresh Kumar Panda, Davinder Prasad
The study was conducted to evaluate the audiological and electrophysiological findings in patients with Vitiligo and to compare the findings with otologically and audiologically normal controls. Study group included 50 subjects (25 Males, 25 Females) with Vitiligo (Mean age-27.4 years) and control group contained 40 age-matched normal hearing subjects. Pure tone audiometry (PTA) with extended high frequency audiometry, Otoacoustic emissions (OAEs), Tympanometry, Auditory brainstem responses (ABR) and Middle latency responses (MLR) were conducted in all subjects...
December 2016: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/27833862/otological-manifestations-of-nonseptic-lateral-sinus-thrombosis-a-review
#5
M S Vijayashree, B Viswanatha
Nonseptic lateral sinus thrombosis differs from septic lateral sinus thrombosis in that it is not associated with ear or sinus infection. Etiologies of these conditions are different and management of these conditions are different. Nonseptic lateral sinus thrombosis requires medical line of management and anticoagulant therapy where as septic lateral sinus thrombosis treatment involves surgical exploration of the mastoid cavity, sinus decompression, and long-term antibiotic therapy. Mastoid changes are frequently detected on computed tomography or magnetic resonance imaging in cases of nonseptic lateral sinus thrombosis...
December 2016: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/27832005/older-individuals-meeting-medicare-cochlear-implant-candidacy-criteria-in-noise-but-not-in-quiet-are-these-patients-improved-by-surgery
#6
Jordan A Mudery, Ross Francis, Hilary McCrary, Abraham Jacob
OBJECTIVE: To investigate postoperative hearing outcomes in older patients who qualified for cochlear implant (CI) by Medicare criteria using AZBio sentence tests performed in noise but not in quiet. STUDY DESIGN: Review of patient records. SETTING: University-based otology/neurotology practice. PATIENTS: The senior author performed 136 CI between January 2013 and September 2015. Starting in 2013, CI candidacy evaluation included AZBio sentence tests performed in quiet and noise...
November 9, 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27818543/vascular-loops-in-the-anterior-inferior-cerebellar-artery-as-identified-by-magnetic-resonance-imaging-and-their-relationship-with-otologic-symptoms
#7
Luiz de Abreu Junior, Cristina Hiromi Kuniyoshi, Angela Borri Wolosker, Maria Lúcia Borri, Augusto Antunes, Vanessa Kiyomi Arashiro Ota, Daniela Uchida
OBJECTIVE: To use magnetic resonance imaging to identify vascular loops in the anterior inferior cerebellar artery and to evaluate their relationship with otologic symptoms. MATERIALS AND METHODS: We selected 33 adults with otologic complaints who underwent magnetic resonance imaging at our institution between June and November 2013. Three experienced independent observers evaluated the trajectory of the anterior inferior cerebellar artery in relation to the internal auditory meatus and graded the anterior inferior cerebellar artery vascular loops according to the Chavda classification...
September 2016: Radiologia Brasileira
https://www.readbyqxmd.com/read/27774923/development-and-validation-of-a-low-cost-microsurgery-ear-trainer-for-low-resource-settings
#8
M P A Clark, B D Westerberg, J E Mitchell
OBJECTIVE: Chronic suppurative otitis media is a neglected condition affecting up to 330 million people worldwide, with the burden of the disease in impoverished countries. The need for non-governmental organisations to hardwire training into their programmes has been highlighted. An ear surgery simulator appropriate for training in resource-poor settings was developed, and its effectiveness in facilitating the acquisition of headlight and microsurgical skills necessary to safely perform procedures via the ear canal was investigated...
October 2016: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/27755370/outcomes-of-drill-canalplasty-in-exostoses-and-osteoma-analysis-of-256-cases-and-literature-review
#9
Golda Grinblat, Sampath Chandra Prasad, Gianluca Piras, Jingchun He, Abdelkader Taibah, Alessandra Russo, Mario Sanna
OBJECTIVE: 1) To describe the surgical technique of drill canaplasty for exostosis and osteoma and to evaluate our results. 2) To propose a new grading system for external auditory canal stenosis (EACS). 3) To review the recent literature. STUDY DESIGN: A retrospective review. SETTING: Quarternary referral center for Otology & Skull Base surgery. SUBJECTS AND METHODS: Two hundred seventeen patients (256 ears) with exostosis or osteoma were included in the study...
December 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27752754/visualization-of-anatomy-in-normal-and-pathologic-middle-ears-by-cone-beam-ct
#10
Christian Güldner, Isabell Diogo, Eva Bernd, Stephanie Dräger, Magis Mandapathil, Afshin Teymoortash, Hesham Negm, Thomas Wilhelm
Cone beam computed tomography (CBCT, syn. digital volume tomography = DVT) was introduced into ENT imaging more than 10 years ago. The main focus was on imaging of the paranasal sinuses and traumatology of the mid face. In recent years, it has also been used in imaging of chronic ear diseases (especially in visualizing middle and inner ear implants), but an exact description of the advantages and limitations of visualizing precise anatomy in a relevant number of patients is still missing. The data sets of CBCT imaging of the middle and inner ear of 204 patients were analyzed regarding the visualization of 18 different anatomic structures...
October 17, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27746837/the-influence-of-tinnitus-on-the-audiometric-threshold-of-sufferers
#11
Onyinye Ukaegbe, Basil Ezeanolue, Foster Orji
Introduction Tinnitus is a worldwide problem. Objective The objective of this study is to evaluate the audiometric hearing thresholds of adult patients with ongoing tinnitus as their only otological symptom. Methods We evaluated the hearing thresholds of 43 adult patients with ongoing tinnitus and no history of hearing loss from the otolaryngology department of a tertiary health institution at speech and high frequencies. A total of 56 tinnitus ears were compared against 30 contralateral normal ears as well as with the 100 ears of 50 healthy volunteers...
October 2016: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/27712823/microtia-reconstruction
#12
Randall A Bly, Amit D Bhrany, Craig S Murakami, Kathleen C Y Sie
Microtia reconstruction is a challenging endeavor that has seen significant technique evolution. It is important to educate patients and their families to determine the best hearing rehabilitation and ear reconstructive options. Microtia is often associated with aural atresia, hearing loss, and craniofacial syndromes. Optimal care is provided by multiple disciplines, including a reconstructive surgeon, an otologic surgeon, an audiologist, and a craniofacial pediatrician. Microtia management includes observation, prosthetic ear, autologous cartilage reconstruction, or alloplastic implant placement...
November 2016: Facial Plastic Surgery Clinics of North America
https://www.readbyqxmd.com/read/27703821/external-otitis-an-unusual-presentation-in-neonates
#13
Peymaneh Alizadeh Taheri, Shima Rostami, Manelie Sadeghi
Acute otitis externa (AOE) is an infection of the external auditory canal, the auricle, and the outer surface of the tympanic membrane. Although AOE is one of the most common otologic conditions encountered in pediatric population, it is known to primarily affect children older than 2 years. We report a case of AOE caused by Staphylococcus aureus in a 23-day-old neonate. A 23-day-old female infant presented to our neonatology clinic with irritability and discharge from the right ear. There were yellow otorrhea, mild erythema, and edema of right external ear canal...
2016: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/27670957/interactive-iphone-ipad-app-for-increased-tympanic-membrane-familiarity
#14
Sheena Samra, Andrew Wu, Miriam Redleaf
INTRODUCTION: Otology relies on clinical examination to teach anatomy of the ear. The purpose of this report is to introduce the Buckingham Virtual Tympanum iPhone app as an adjuvant educational tool to teach the anatomical details of the tympanic membrane (TM). MATERIALS AND METHODS: This app, available free at the Apple Store, was constructed using archival photographs of normal and abnormal TMs, stratified by difficulty. Each image has 4 labeled structures, linked to questions to encourage active learning...
September 26, 2016: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/27638078/otologic-disorders-causing-dizziness-including-surgery-for-vestibular-disorders
#15
P Bertholon, A Karkas
This chapter will focus on vertigo/dizziness due to inner-ear malformations, labyrinthine fistula, otosclerosis, infectious processes, and autoimmune inner-ear disorders. Inner-ear malformation due to dehiscence of the superior semicircular canal is the most recently described inner-ear malformation. Vertigo/dizziness is typically induced by sound and pressure stimuli and can be associated with auditory symptoms (conductive or mixed hearing loss). Labyrinthine fistula, except after surgery for otosclerosis, in the context of trauma or chronic otitis media with cholesteatoma, still remains a challenging disorder due to multiple uncertainties regarding diagnostic and management strategies...
2016: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27636386/outer-hair-cell-molecular-protein-prestin-as-a-serum-biomarker-for-hearing-loss-proof-of-concept
#16
Kourosh Parham, Jonas Dyhrfjeld-Johnsen
HYPOTHESIS: At present there are no serum biomarkers available to monitor cochlear health in those at risk of hearing loss. Outer hair cells (OHCs) play an important role in cochlear function and are one of the cellular elements most vulnerable to damage, such as acoustic trauma. We hypothesized that an OHC-specific protein can serve as a biomarker for OHC damage in circulation. METHODS: After assessing auditory function, rats were exposed to intense octave band noise for 2 to 3 hours...
October 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27633610/micro-optical-coherence-tomography-of-the-mammalian-cochlea
#17
Janani S Iyer, Shelley A Batts, Kengyeh K Chu, Mehmet I Sahin, Hui Min Leung, Guillermo J Tearney, Konstantina M Stankovic
The mammalian cochlea has historically resisted attempts at high-resolution, non-invasive imaging due to its small size, complex three-dimensional structure, and embedded location within the temporal bone. As a result, little is known about the relationship between an individual's cochlear pathology and hearing function, and otologists must rely on physiological testing and imaging methods that offer limited resolution to obtain information about the inner ear prior to performing surgery. Micro-optical coherence tomography (μOCT) is a non-invasive, low-coherence interferometric imaging technique capable of resolving cellular-level anatomic structures...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27631834/an-intracochlear-pressure-sensor-as-a-microphone-for-a-fully-implantable-cochlear-implant
#18
Francis Pete X Creighton, Xiying Guan, Steve Park, Ioannis John Kymissis, Hideko Heidi Nakajima, Elizabeth S Olson
OBJECTIVE: To validate an intracochlear piezoelectric sensor for its ability to detect intracochlear pressure and function as a microphone for a fully implantable cochlear implant. METHODS: A polyvinylidene fluoride (PVDF) piezoelectric pressure sensor was inserted into a human fresh cadaveric round window at varying depths. An external sound pressure stimulus was applied to the external auditory canal (EAC). EAC pressure, stapes velocity, and piezoelectric sensor voltage output were recorded...
December 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27627972/revision-myringoplasty-using-thin-sliced-cartilage-for-postoperative-reperforation-in-patients-with-chronic-otitis-media
#19
Hideaki Suzuki, Hiroki Koizumi, Takuro Kitamura, Takahisa Tabata, Yasuhiro Kise, Koichi Hashida
Myringoplasty is one of the basic procedures in otologic surgery, and is important to achieve good hearing outcome. The temporal fascia is most widely used and considered to be a stable graft in this procedure, although 10-20% of patients develop reperforation after surgery, which is often hard to repair, even by revision surgery. We herein conducted revision myringoplasty using a cartilage graft to repair postoperative reperforation in 7 patients (8 ears) with chronic otitis media. The patients were 3 males and 4 females, aged 13-80 years with an average of 53...
September 2016: Journal of UOEH
https://www.readbyqxmd.com/read/27627838/tympanometric-measurements-in-conscious-sheep-a-diagnostic-tool-for-pre-clinical-middle-ear-implant-studies
#20
Friederike Pohl, Gerrit Paasche, Thomas Lenarz, Robert Schuon
OBJECTIVE: To investigate and establish the use of tympanometry in conscious sheep to provide a means of objective assessment of tympanic membrane integrity, middle ear ventilation and functioning of the Eustachian tube (ET). DESIGN: After conditioning the sheep for four weeks, tympanometric measurements at 226 Hz were carried out weekly for 13 weeks. Before measurements, the external ear canal had been cleaned. Resultant curves were classified according to human reference values...
September 14, 2016: International Journal of Audiology
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