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perilymphatic fistula

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https://www.readbyqxmd.com/read/27894374/autologous-intratympanic-blood-patch-for-presumed-perilymphatic-fistulas
#1
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...
November 29, 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
#2
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)...
August 30, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27497416/pediatric-sudden-sensorineural-hearing-loss-etiology-diagnosis-and-treatment-in-20-children
#3
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
#4
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
#5
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...
May 31, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27115607/pneumolabyrinth-with-labyrinthitis-as-the-suspected-cause
#6
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
#7
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
https://www.readbyqxmd.com/read/27050655/effect-of-round-window-reinforcement-on-hearing-a-temporal-bone-study-with-clinical-implications-for-surgical-reinforcement-of-the-round-window
#8
Inge Wegner, Mostafa M A S Eldaebes, Thomas G Landry, Robert B Adamson, Wilko Grolman, Manohar L Bance
HYPOTHESIS: Round window reinforcement leads to conductive hearing loss. BACKGROUND: The round window is stiffened surgically as therapy for various conditions, including perilymphatic fistula and superior semicircular canal dehiscence. Round window reinforcement reduces symptoms in these patients. However, it also reduces fluid displacement in the cochlea and might therefore increase conductive hearing loss. METHODS: Perichondrium was applied to the round window membrane in nine fresh-frozen, nonpathologic temporal bones...
June 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/26654639/surgery-for-vertigo-10-year-audit-from-a-contemporary-vertigo-clinic
#9
U Patnaik, A Srivastava, K Sikka, A Thakar
OBJECTIVE: To present the profile of patients undergoing surgical treatment for vertigo at a contemporary institutional vertigo clinic. STUDY DESIGN: A retrospective analysis of clinical charts. METHODS: The charts of 1060 patients, referred to an institutional vertigo clinic from January 2003 to December 2012, were studied. The clinical profile and long-term outcomes of patients who underwent surgery were analysed. RESULTS: Of 1060 patients, 12 (1...
December 2015: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/26468844/a-life-threatening-pitfall-in-ear-surgery-extracranial-sigmoid-sinus
#10
Osman Halit Çam, Mehmet Karataş
AIM: The aim of this article is to imply the significance of temporal bone computed tomography imaging before temporal surgeries. CASE: A 74-years-old patient was admitted to emergency department with dizziness and nausea. The neurologic examination showed a spontaneous nystagmus, whereas otologic examination revealed a left tympanic membrane perforation with mild discharge. A temporal bone computed tomography imaging was scheduled to exclude cholesteatoma and perilymphatic fistula...
October 2015: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/26467589/ct-differentiation-of-tuberculous-and-non-tuberculous-pleural-infection-with-emphasis-on-pulmonary-changes
#11
COMPARATIVE STUDY
J M Ko, H J Park, D G Cho, C H Kim
OBJECTIVE: To determine whether pulmonary changes on computed tomography (CT) are helpful in differentiating between pleural tuberculosis (TB) and non-tuberculous pleural infection MATERIALS AND METHODS: We retrospectively reviewed CT scans of patients with pleural tuberculous and non-tuberculous empyema, focusing on pulmonary changes such as consolidation, ground glass opacity, interlobular septal thickening, cavitation, abscess and presence and distribution of micronodules...
November 2015: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/26349335/-aggravation-after-diagnosis-of-sudden-sensorineural-hearing-loss
#12
Ichiro Fukumoto, Toshimitsu Nemoto, Tomoko Tsukuda, Keiichi Koshizuka
Among 95 patients with sudden sensorineural hearing loss who received inpatient treatment at our hospital within the 27-month period between October 2009 and December 2011, those in whom hearing loss was aggravated after diagnosis were compared with a control group. Hearing loss aggravation was defined as a decrease by 10 dB or more in the mean hearing threshold at 5 frequencies from 250 to 4,000 Hz or decrease of 15 dB or more in the hearing threshold at 2 consecutive frequencies. Hearing loss was aggravated after diagnosis in 22 (23...
March 2015: Nihon Jibiinkoka Gakkai Kaiho
https://www.readbyqxmd.com/read/26059539/histopathology-of-idiopathic-lateral-skull-base-defects
#13
Aaron K Remenschneider, Elliott D Kozin, Hugh Curtin, Felipe Santos
OBJECTIVES/HYPOTHESIS: The objective of this study was to utilize techniques of otopathology to gain insight into the pathogenesis, sites of origin, and associated findings in idiopathic lateral skull base defects. STUDY DESIGN: Histopathologic analysis of temporal bones from an otopathology repository. METHODS: Specimens from a human temporal bone repository were investigated for clinical or otopathologic evidence of occult bony dehiscence indicating communication between the subarachnoid space and air cells of the temporal bone...
August 2015: Laryngoscope
https://www.readbyqxmd.com/read/25992178/intralabyrinthine-penetrating-ventilation-tube-with-preservation-of-hearing-an-unusual-clinical-situation
#14
Tantely Razafimahefa Raoelina, Maya Elziere, Justin Michel, Arnaud Devèze
Introduction Traumatic perilymphatic fistula is not a rare event with regards to sport activities or traffic accident. However, iatrogenic damage to the inner ear can occur following the common use of grommets and ventilation tube insertion. Objectives To report an unusual case of insertion of aeration tube into the vestibule trough the stapes footplate. Resumed Report A 62-year-old woman experienced iatrogenic penetration into the vestibule from a ventilation tube inserted for retraction pocket management...
April 2015: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/25883823/late-pneumolabyrinth-may-be-induced-by-old-penetrating-injury-possibility-of-undiagnosed-posttraumatic-perilymphatic-fistula
#15
Takahiro Nakashima, Keiji Matsuda, Takumi Okuda, Tetsuya Tono, Minoru Takaki, Tamon Hayashi, Yutaka Hanamure
Traumatic pneumolabyrinth is a relatively rare entity. We report the case of a unilaterally deaf woman with pneumolabyrinth who had suffered penetrating injury 15 years ago. This past history indicated that the case was late pneumolabyrinth occurring from undiagnosed old posttraumatic perilymphatic fistula. In Japan, most cases of traumatic pneumolabyrinth are caused by penetrating injury with an ear pick. Dizziness often improves within several months. Immediate surgical intervention is recommended for hearing loss, but the hearing outcome is not satisfactory...
2015: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/25749846/treatment-of-meni%C3%A3-re-s-disease
#16
Jeffrey D Sharon, Carolina Trevino, Michael C Schubert, John P Carey
Diagnosis of Menière's disease is made with a characteristic patient history, including discrete episodes of vertigo lasting 20 min or longer, accompanied by sensorineural hearing loss, which is typically low frequency at first, aural fullness, and tinnitus. Workup includes audiometry, a contrast enhanced MRI of the internal auditory canals, and exclusion of other diseases that can produce similar symptoms, like otosyphilis, autoimmune inner ear disease, perilymphatic fistula, superior semicircular canal syndrome, Lyme disease, multiple sclerosis, vestibular paroxysmia, and temporal bone tumors...
April 2015: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/25729491/critical-evaluation-of-round-window-membrane-sealing-in-the-treatment-of-idiopathic-sudden-unilateral-hearing-loss
#17
Stephan Hoch, Thomas Vomhof, Afshin Teymoortash
OBJECTIVES: Rupture of the round window membrane with consecutive development of a perilymphatic fistula (PLF) is still a matter of controversial debate in the pathogenesis of idiopathic sudden sensorineural hearing loss (SSHL). Until now no consensus exists about whether these patients benefit from performing an exploratory tympanotomy with sealing of the round window. The aim of the present study was to analyze critically the effectiveness of sealing the round window membrane in patients with SSHL...
March 2015: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/25535121/perilimphatic-fistula-test-a-video-clip-demonstration
#18
M Casale, Y Errante, L Sabatino, A Incammisa, F Salvinelli, C C Quattrocchi
Perilymphatic fistula (PLF) is an abnormal condition in which a communication is present between the perilymphatic space of the inner ear and the middle ear or mastoid, secondary to a dehiscence in the otic capsule, oval or round window. LF may induce hearing loss, tinnitus, aural fullness, vertigo, disequilibrium, or a combination of these symptoms; the vagueness of symptoms caused by PLF and the lack of specificity of clinical signs and symptoms make the diagnosis elusive. We report a video of a positive PLF test induced by the application of pressure on the tragus, just anterior to the left external auditory canal in a patient with cholesteatoma and PLF of lateral semicircular canal confirmed by CT scan imaging...
2014: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/25406870/an-initial-experience-of-cochlear-implantation-for-patients-with-single-sided-deafness-after-prior-osseointegrated-hearing-device
#19
Isaac D Erbele, Joshua G W Bernstein, Gerald I Schuchman, Douglas S Brungart, Arnaldo Rivera
OBJECTIVE: To compare preoperative and postoperative sound localization and surgical outcomes in patients with a history of osseointegrated hearing device (OHD) placement who underwent cochlear implantation for severe to profound sensorineural hearing loss in one ear and normal cochlear function in the contralateral ear (single-sided deafness [SSD]). STUDY DESIGN: Case series. STUDY SETTING: Tertiary care center, cochlear implant (CI) program...
January 2015: Otology & Neurotology
https://www.readbyqxmd.com/read/25279936/curved-adjustable-fiberoptic-laser-for-endoscopic-cholesteatoma-surgery
#20
Amy Y Yau, Hossein Mahboubi, Marlon Maducdoc, Yaser Ghavami, Hamid R Djalilian
OBJECTIVE: To determine whether endoscopic cholesteatoma removal can be performed efficiently and safely using a curved fiberoptic-based laser. BACKGROUND: Angled instruments are required in endoscopic ear surgery to access recesses of the middle ear without extra drilling. Lasers are effective at ablating visible and microscopic cholesteatoma matrix and removing granulation tissue. STUDY DESIGN: Retrospective case review from 2006 to 2013...
January 2015: Otology & Neurotology
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