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perilymphatic fistula

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https://www.readbyqxmd.com/read/29377910/the-diagnostic-performance-of-a-novel-elisa-for-human-ctp-cochlin-tomoprotein-to-detect-perilymph-leakage
#1
Tetsuo Ikezono, Tomohiro Matsumura, Han Matsuda, Satomi Shikaze, Shiho Saitoh, Susumu Shindo, Setsuo Hasegawa, Seung Ha Oh, Yoshiaki Hagiwara, Yasuo Ogawa, Hiroshi Ogawa, Hiroaki Sato, Tetsuya Tono, Ryuichiro Araki, Yukihide Maeda, Shin-Ichi Usami, Yasuhiro Kase
Perilymphatic fistula is defined as an abnormal communication between the perilymph-filled space and the middle ear, or cranial spaces. The manifestations include a broad spectrum of neuro-otological symptoms such as hearing loss, vertigo/dizziness, disequilibrium, aural fullness, tinnitus, and cognitive dysfunction. By sealing the fistula, perilymphatic fistula is a surgically correctable disease. Also, appropriate recognition and treatment of perilymphatic fistula can improve a patient's condition and hence the quality of life...
2018: PloS One
https://www.readbyqxmd.com/read/29240312/garden-terror-case-series-of-twenty-eight-serious-ear-injuries-caused-by-yucca-plants
#2
Maria Vartanyan, Kumiko Orimoto, Adrian Dragovic, Carmel Crock, Michael Dobson, Stephen O'Leary
The yucca plant (genus Yucca, family Asparagaceae, subfamily Agavoideae) is a ubiquitous plant whose long and sharp leaf spines (Fig 1) are accountable for an increasing number of ear injuries presenting to the Emergency Department of our specialised tertiary hospital. Whereas most cases presented as easy-to-diagnose traumatic tympanic membrane perforations (TMP) which healed quickly, 4 cases were complicated by perilymphatic fistula (PLF), and these presented a diagnostic dilemma that resulted in late diagnoses...
December 14, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29153260/diagnostic-criteria-for-patulous-eustachian-tube-a-proposal-by-the-japan-otological-society
#3
Toshimitsu Kobayashi, Masahiro Morita, Satoshi Yoshioka, Kunihiro Mizuta, Shigeto Ohta, Toshiaki Kikuchi, Tatsuya Hayashi, Akihiro Kaneko, Nobumasa Yamaguchi, Sho Hashimoto, Hiromi Kojima, Shingo Murakami, Haruo Takahashi
Patulous Eustachian Tube (PET) is of increasing importance in otology. However, despite the abundance of diseases requiring a differential diagnosis from PET, such as superior semicircular canal dehiscence syndrome, perilymphatic fistula, acute low-tone sensorineural hearing loss, etc., there are currently no established diagnostic criteria for PET. In view of these circumstances, the Japan Otological Society (JOS) Eustachian Tube Committee proposed the diagnostic criteria for Patulous Eustachian Tube in 2012, in order to promote clinical research on PET...
November 15, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29122427/transcanal-endoscopic-ear-surgery-for-perilymphatic-fistula-after-electric-acoustic-stimulation
#4
Ryotaro Omichi, Shin Kariya, Yukihide Maeda, Kazunori Nishizaki
Transcanal endoscopic ear surgery (TEES) will become a very useful therapeutic option. A perilymphatic fistula (PLF) is defined as sudden sensorineural hearing loss and/or vertigo caused by leakage of the perilymph through a fistula from the oval window and/or round window. We report a case of PLF after electric acoustic stimulation (EAS), a kind of cochlear implant, successfully treated by TEES. A 38-year-old man presented to our hospital with vertigo and hearing loss (HL). His vertigo was induced by Valsalva maneuvers...
November 6, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29089218/-how-to-manage-vertigo-in-adult
#5
Hella Vuong Chaney, Dominique Rohmer, Anne Charpiot
The interrogation and the clinical examination are critical in the research of vertigo etiology. In the context of vertigo, the vital emergencies are of neurological and vascular origins. It is therefore necessary to be able to identify them quickly and simply. Vertigo is a symptom to relieve and the cause is to be diagnosed. Careful questioning combined with neurological examination, nystagmus study, Halmagyi test and skew deviation search are more reliable than imaging in the first 48hours to detect a stroke...
October 28, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/29055686/the-role-of-explorative-tympanotomy-in-patients-with-sudden-sensorineural-hearing-loss-with-and-without-perilymphatic-fistula
#6
REVIEW
N K Prenzler, B Schwab, D M Kaplan, S El-Saied
PURPOSE: The purpose of this study was to describe the role of explorative tympanotomy in patients with Profound Sudden Sensorineural Hearing Loss (SSNHL) without clinical evidence of perilymphatic or labyrinthine fistula and to compare intraoperative findings with the postoperative hearing outcome. STUDY DESIGN: Retrospective study of all patients diagnosed with SSNHL who underwent explorative tympanotomy between 2002 and 2005. SETTINGS: Tertiary care university-affiliated hospital...
October 9, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28645678/endolymphatic-hydrops-imaging-differential-diagnosis-in-patients-with-meniere-disease-symptoms
#7
A Attyé, M Eliezer, A Galloux, J Pietras, I Tropres, S Schmerber, G Dumas, A Krainik
PURPOSE: The goal of this retrospective study was to investigate the differential diagnosis of endolymphatic hydrops in patients with Meniere's disease (MD) symptoms by using magnetic resonance imaging (MRI) with intravenous injection of gadolinium chelate and delayed acquisition. MATERIAL AND METHOD: Two hundred patients (133 women, 67 men; mean age=67.2±11 ([SD] years) with unilateral MD underwent MRI at 3-T, between 4.5 and 5.5hours after intravenous administration of gadoterate meglumine at a dose of 0...
October 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28541245/hearing-loss-in-patients-with-extracranial-complications-of-chronic-otitis-media
#8
Tomasz Przewoźny, Jerzy Kuczkowski
OBJECTIVE: A pure tone audiomety analysis of patients with extracranial complications of chronic suppurative otitis media (ECCSOM). MATERIAL AND METHODS: We retrospectively analyzed audiometric data performed before treatment from 63 patients with ECCSOM (56 single, 7 multiple complications) including groups of frequencies. RESULTS: The greatest levels of hearing loss were noted for 6 and 8 kHz (79.0 and 75.7 dBHL) and for the frequency groups high tone average (76...
June 30, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/28499300/-recent-surgical-options-for-vestibular-vertigo
#9
Stefan Volkenstein, Stefan Dazert
Vertigo is not a well defined symptom but a heterogenous entity diagnosed and treated mainly by otolaryngologists, neurologists, internal medicine and primary care physicians. Most vertigo syndroms have a good prognosis and management is predominantly conservative, whereas the need for surgical therapy is rare, but for a subset of patients often the only remaining option. In this paper, we describe the development of surgical therapy for hydropic inner ear diseases, Menière disease, dehiscence syndroms, perilymphatic fistulas, and benign paroxysmal vertigo...
April 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28467585/variations-in-otological-presentation-of-lightning-strike-victims-clinical-report-of-3-patients
#10
Erbil Kılıç, Hakan Genç, Ümit Aydın, Burak Aşık, Bülent Satar
Lightning strike can cause fatal or nonfatal injuries. Some nonfatal injuries are associated with otological symptoms and findings. Conductive hearing loss due to rupture of the tympanic membrane is the most common audiovestibular lesion of lightning strike. Various forms of sensorineural hearing loss and dizziness have also been reported. Presently described are 3 cases of lightning strike injury. First patient had mid-frequency hearing loss in right ear and high frequency sensorineural hearing loss in left ear...
March 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28368720/a-nationwide-multicenter-study-of-the-cochlin-tomo-protein-detection-test-clinical-characteristics-of-perilymphatic-fistula-cases
#11
Han Matsuda, Kei Sakamoto, Tomohiro Matsumura, Shiho Saito, Susumu Shindo, Kunihiro Fukushima, Shin-Ya Nishio, Ryosuke Kitoh, Osamu Shibasaki, Akinori Ito, Ryuichiro Araki, Shin-Ichi Usami, Mamoru Suzuki, Kaoru Ogawa, Tomonori Hasegawa, Yoshiaki Hagiwara, Yasuhiro Kase, Tetsuo Ikezono
OBJECTIVE: To investigate the positive rate for the Cochlin tomo-protein (CTP: an inner ear-specific protein) detection test among patients with inner ear-related clinical manifestations and evaluate the clinical characteristics of definite perilymphatic fistula (PLF). METHODS: We have performed an ELISA-based CTP detection test using middle ear lavage (MEL) samples from 497 cases of suspected PLF enrolled from 70 clinical centers nationwide between 2014 and 2015...
2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28314420/sport-injuries-of-the-ear-and-temporal-bone
#12
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/28068300/early-postoperative-imaging-of-the-labyrinth-by-cone-beam-ct-after-stapes-surgery-for-otosclerosis-with-correlation-to-audiovestibular-outcome
#13
Aurélie Vandevoorde, Marc T Williams, Elsa Ukkola-Pons, Mary Daval, Denis Ayache
BACKGROUND: Sensorineural complications of stapes surgery are rare but potentially serious. Imaging is usually performed to identify an underlying cause, such as excessive intravestibular penetration of the prosthesis or pneumolabyrinth suggesting perilymphatic fistula. Unfortunately, there is very little data in an unselected series of uneventful patients.The aim of this study was to analyze the depth of prosthesis penetration within the vestibule and the rate of pneumolabyrinth the day or the day after the procedure by performing a cone beam computed tomography of the temporal bone in a cohort of unselected patients, and to correlate imaging findings to clinical outcome...
February 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/27894374/autologous-intratympanic-blood-patch-for-presumed-perilymphatic-fistulas
#14
P K Foster
OBJECTIVE: To assess an alternative to bed rest and surgery for suspected perilymphatic fistulas using intratympanic blood injections. METHOD: A review was conducted of patients' history, physical and audiometric data, before and after treatment by intratympanic blood injections performed from 2009 to 2015. RESULTS: Twelve ears were identified, with trauma associated with air travel, water sports or nose blowing. Ten of these cases had hearing loss, six had vestibular symptoms...
December 2016: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/27575923/presence-of-osteoclasts-in-middle-ear-cholesteatoma-a-study-of-undecalcified-bone-sections
#15
Hiroki Koizumi, Hideaki Suzuki, Rintaro Kawaguchi, Koichi Hashida, Nobusuke Hohchi, Jun-Ichi Ohkubo, Takahisa Tabata, Takuro Kitamura
CONCLUSIONS: Osteoclasts are unlikely to be involved in bone resorption in middle ear cholesteatoma. OBJECTIVE: The authors searched for osteoclasts in undecalcified bone sections in patients with middle ear cholesteatoma to determine whether and to what extent these cells are involved in this disease. METHODS: Twelve patients, eight men and four women, aged 30-87 years, who underwent tympanomastoidectomy were enrolled. Six patients had primary acquired middle ear cholesteatoma (cholesteatoma group) and the other six patients had other otologic diseases including otosclerosis, non-cholesteatomatous chronic otitis media, adhesive otitis media, perilymphatic fistula and ossicular malformation (control group)...
February 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27497416/pediatric-sudden-sensorineural-hearing-loss-etiology-diagnosis-and-treatment-in-20-children
#16
Kavita Dedhia, David H Chi
OBJECTIVES: 1. To report our experience in children with sudden-onset sensorineural hearing loss (SSNHL). 2. To describe the etiology and management of children with SSNHL. METHODS: Retrospective review of 20 children with SSNHL, from 2000 to 2013 at a tertiary pediatric facility. Patients had the following inclusion criteria: history of normal hearing, hearing loss occurring in less than 3 days, and audiogram documentation. RESULTS: The average age of patients presenting with SSNHL is 11 years 3 months (22months-18years)...
September 2016: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/27334993/perilymphatic-fistula-after-underwater-diving-a-series-of-11-cases
#17
Jean-Baptiste Morvan, Emmanuel Gempp, Damien Rivière, Pierre Louge, Nicolas Vallee, Pierre Verdalle
INTRODUCTION: Onset of cochleovestibular symptoms (hearing loss, dizziness or instability, tinnitus) after a dive (scuba or breath-hold diving) warrants emergency transfer to an otology department. One priority is to investigate the possibility of the development of decompression sickness with a view to hyperbaric oxygen treatment of bubble-induced inner-ear damage. If this injury is ruled out, inner-ear barotrauma should be considered together with its underlying specific injury pattern, perilymphatic fistula...
June 2016: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/27241920/hydrops-of-the-organ-of-corti
#18
Yasuya Nomura, Yurika Kimura, Hitome Kobayashi
OBJECTIVES: The authors would like to confirm a fluid pathway from the scala tympani to the organ of Corti, and to observe its morphological changes. METHODS: A staining solution for succinic dehydrogenase was perfused with phenazine methosulfate in the scala tympani of living guinea pigs (n = 5) under deep anesthesia. After fixation, the cochleas were eventually embedded in epon. Sections were observed under a light microscope. RESULTS: Blue-stained tissue is indicative of the pathway taken by the solution...
November 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27115607/pneumolabyrinth-with-labyrinthitis-as-the-suspected-cause
#19
Kazuaki Nomura, Kenichi Takano, Keisuke Yamamoto, Ayumi Abe, Nozomi Takahashi, Tsuyoshi Okuni, Tetsuo Himi
Pneumolabyrinth is a rare condition with air bubbles existing in the vestibule and/or cochlea. We report a case of pneumolabyrinth without trauma that was suspected to be caused by labyrinthitis. A 65-year-old man presented with vertigo and hearing loss in the left ear after catching a cold. Computed tomography performed after there had been no improvement in the patient's symptoms showed the presence of air bubbles in the vestibule, semicircular canals and cochlea. The patient was transferred to our hospital with suspected perilymphatic fistula...
2016: Advances in Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27085885/post-traumatic-deafness-a-pictorial-review-of-ct-and-mri-findings
#20
REVIEW
Olivier Maillot, Arnaud Attyé, Eric Boyer, Olivier Heck, Adrian Kastler, Sylvie Grand, Sébastien Schmerber, Alexandre Krainik
UNLABELLED: Hearing loss is a common functional disorder after trauma, and radiologists should be aware of the ossicular, labyrinthine or brain lesions that may be responsible. After a trauma, use of a systematic approach to explore the main functional components of auditory pathways is essential. Conductive hearing loss is caused by the disruption of the conductive chain, which may be due to ossicular luxation or fracture. This pictorial review firstly describes the normal 2-D and 3-D anatomy of the ossicular chain, including the incudo-malleolar and incudo-stapedial joints...
June 2016: Insights Into Imaging
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