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Analysis of 30 patients with cupulolithiasis of the posterior semicircular canal
European Archives of Oto-Rhino-Laryngology, 2022The diagnostic characteristics of patients with cupulolithiasis of the posterior semicircular canal are persistent torsional nystagmus in the supine position and persistent torsional nystagmus (opposite direction) in the nose-down position, which are caused by the affected canal becoming gravity sensitive.To investigate the clinical features of ...
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Fenestration and occlusion of the posterior semicircular canal for benign positional vertigo
Clinical Otolaryngology, 1992Benign positional vertigo is a potentially disabling condition characterized by episodic vertigo following certain provocative head movements. In most patients it is self limiting; however, in a few it may prove intractable, causing considerable social morbidity. In these patients surgery may be considered.
Maurice R. Hawthorne +2 more
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Action potentials in the nerve from the posterior semicircular canal of the cat
Canadian Journal of Physiology and Pharmacology, 1968A method is described to implant electrodes for recording the electrical activity in the branch of the vestibular nerve from the posterior semicircular canal of the cat. A tungsten electrode eroded to a point is inserted into the nerve through the internal auditory meatus and held in position with dental cement.
K. C. Marshall +2 more
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Experimental selective posterior semicircular canal laser deafferentation
The Journal of Laryngology & Otology, 2005In this experimental study, we attempted to perform selective deafferentation of the posterior semicircular canal ampulla of guinea pigs using carbon dioxide laser beam. The results of this study document the efficacy of this procedure in achieving deafferentation of the posterior semicircular canal safely with regards to the other semicircular canals,
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Quantification of hearing loss in patients with posterior semicircular canal dehiscence
Acta Oto-Laryngologica, 2015Patients with posterior semicircular canal dehiscence (PSCD) have low frequency conductive hearing loss similar to patients with superior semicircular canal dehiscence (SSCD) secondary to a pathologic third window.PSCD can result in conductive hearing loss, but the magnitude of this hearing loss remains to be quantified.
Anthony A. Mikulec +2 more
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Radiological prevalence of superior and posterior semicircular canal dehiscence in children
International Journal of Pediatric Otorhinolaryngology, 2015Establishing the prevalence of semicircular canal dehiscence in a pediatric population using temporal bone CT imaging.Retrospective analysis of all temporal bone CT scans during a 5-year period (2007-2012).CT scan images were reformatted in the plane of the canals and assessed by two independent reviewers with a third to resolve disagreement.
Claire Gowdy +6 more
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Direction-reversing Nystagmus in Horizontal and Posterior Semicircular Canal Canalolithiasis
Otology & Neurotology, 2016To investigate the incidence and characteristics of direction-reversing nystagmus in patients with horizontal (HSCC) and posterior semicircular canal (PSCC) canalolithiasis, and evaluate the effect of direction-reversing nystagmus on the treatment outcome.A retrospective study.Between March 2014 and September 2015, 63 and 92 consecutive patients with ...
Dong Hyuk Shin +3 more
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Otology & Neurotology, 2013
To investigate the characteristics of canal conversion between the anterior and posterior semicircular canals in benign paroxysmal positional vertigo (BPPV).Retrospective chart review.Secondary referral center.A total of 709 patients who were treated with the Epley maneuver for BPPV of the anterior or posterior semicircular canal.Vestibular ...
Sung Huhn Kim +5 more
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To investigate the characteristics of canal conversion between the anterior and posterior semicircular canals in benign paroxysmal positional vertigo (BPPV).Retrospective chart review.Secondary referral center.A total of 709 patients who were treated with the Epley maneuver for BPPV of the anterior or posterior semicircular canal.Vestibular ...
Sung Huhn Kim +5 more
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A Comparative Study of the Isolated Anterior and Posterior Semicircular Canals of the Bull Frog
Acta Oto-Laryngologica, 1987The anterior semicircular canals of bull frogs were isolated and the cupula was removed from the crista and the sensory cilia on the crista were depressed toward the canal side by a glass micropipette. Seven points on the crista were selected for stimulation.
Mamoru Suzuki +3 more
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Dehiscence of Posterior Semicircular Canal
Otology & Neurotology, 2007Di Lella F, Falcioni M, Piazza P.
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