Round window reinforcement for superior semicircular canal dehiscence: A retrospective multi-center case series

Silverstein, Herbert; Kartush, Jack M.; Parnes, Lorne S.; Poe, Dennis S.; Babu, Seilesh; Levenson, Mark J.; Wazen, Jack J.; Ridley, Ryan W.

doi:10.1016/j.amjoto.2014.02.016

Cited by 81 publications

(98 citation statements)

References 21 publications

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“…It is hypothesized that blockage of the round window leads to a reduction in compression-related volume displacement, which causes conductive hyperacusis in patients with SSCD [14]. The success of round window reinforcement in improving the symptoms of SSCD [12,13] led the senior author to consider a similar procedure (round and oval window reinforcement) for patients with hyperacusis without evidence of SSCD.…”

Section: Discussionmentioning

confidence: 97%

“…Although no surgical technique exists specifically for the treatment of hyperacusis, surgical intervention has been found to improve hyperacusis in patients with superior semicircular canal dehiscence (SSCD). Silverstein et al found round window reinforcement to be an effective and minimally invasive surgical option for reducing the symptoms of SSCD [12,13]. Nikkar-Esfahani et al noted an improvement in noise tolerance in patients with SSCD chiefly complaining of hyperacusis who underwent complete surgical occlusion of the round window [14].…”

Section: Introductionmentioning

confidence: 96%

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Round and oval window reinforcement for the treatment of hyperacusis

Silverstein¹,

Wu²,

Hagan³

2015

American Journal of Otolaryngology

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Section: Discussionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 96%

Round and oval window reinforcement for the treatment of hyperacusis

Silverstein¹,

Wu²,

Hagan³

2015

American Journal of Otolaryngology

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“…A CASE REPORT -V Market, F Fernandez Hernandez C, C Pino, I Novoa, P Herrera various results [1]. There is initially described by Silverstein [34] innovative approach, who sugi-gested that dampen the sensitivity of the inner ear by strengthening the oval and round window with fascia may relieve symptoms in some patients, reducing complications Aque-Llos more invasive approaches, via transcranial. twenty-four patients centers who opted for the minimally invasive approach by strengthening the oval window and / or round were studied.…”

Section: Resultsmentioning

confidence: 99%

Dehiscence Syndrome Superior Semicircular Canal: A Case of Dehiscence Syndrome of the Superior Semicircular

M¹

2017

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“…The positive predictive value of the CT in the diagnosis of the dehiscence increases by making cuts of 0.5 mm and reconstructing in the flat of the SSC [12]. D. Strengthening of the round and oval windows membranes by endaural approach [19,20], although the results of this technique should be confirmed; and finally, E. Combining the approximation by middle cerebral fossa and the strengthening of the oval and round window by endaural approach [21].…”

Section: Diagnosismentioning

confidence: 99%

Superior Semicircular Canal Dehiscence Syndrome as Diagnosis of Vestibular Pathology; Diagnosis and Treatment: Review of the Literature

Valdés-Pons¹,

Jc²,

Eiroa-Breijo³

et al. 2017

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Introduction: Superior Semicircular Canal Dehiscence Syndrome is a pathological entity that causes incapacitating auditory and vestibular symptoms. It is common that these patients are erroneously diagnosed with simulators or psychiatric diseases, or with any other vestibular pathologies.Etiology: It seems to have a genetic predisposition supported in a higher frequency of Semicircular Canal Dehiscence and bone defects in the tegmen tympani in patients with DFNA 9 (gen COCH). In other cases there is no specific cause justifying communication between the SSC and cranial cavity. Over the years, and the progressive thinning of the bone, the communication between membranous labyrinthine and cranial cavity, will occur.Pathophysiology: Superior Semicircular Canal Dehiscence Syndrome is characterized by thinning or loss of bone that covers the SSC and which separates it from of the cranial cavity. A pathologic third window on the vestibular side of the cochlea allows for a portion of acoustic energy to be shunted away from the cochlear partition, producing a decrease in the sound pressure within the vestibule, thus resulting in a loss of hearing sensitivity to air-conducted sound (conductive hearing loss) and increases the pressure difference between the two sides of the cochlear partition by lowering the impedance on the vestibule side, thereby improving the cochlear response to bone conduction (supraliminal levels). Diagnosis:Is based on the clinical history (auto phony, fluctuating hearing loss, acute or short-term vertigo). Typically patients complain of auto phony and feeling of being "in a box". The audio vestibular tests will confirm the clinical diagnosis: PTTA with GAP in low frequencies, VEMPs with threshold elevation in affected ear and CT with SSC dehiscence. Treatment:The initial treatment of this pathology should be conservative. If the symptoms are disabling it may raise a surgical solution that is the closure of the communication between the SSC and the floor of the middle fossa. The different types of surgical treatment are: access to the middle cranial fossa by temporal craniotomy; access to the SSC by upper Tran's mastoid access, and finally, strengthening of the oval and round windows membranes by endaural access.Case Report: Present four patients diagnosed and treated surgically in our hospital. Comment their post operatory evolution and the functional results. Conclusion:The SCD is a pathologic entity that must be present in the differential diagnosis of all patients with audio logical and vestibular symptoms. Their initial treatment should be conservative, but if the symptoms are disabling, surgery should be recommended since results are very good, compensating risks.

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Round window reinforcement for superior semicircular canal dehiscence: A retrospective multi-center case series

Cited by 81 publications

References 21 publications

Round and oval window reinforcement for the treatment of hyperacusis

Round and oval window reinforcement for the treatment of hyperacusis

Dehiscence Syndrome Superior Semicircular Canal: A Case of Dehiscence Syndrome of the Superior Semicircular

Superior Semicircular Canal Dehiscence Syndrome as Diagnosis of Vestibular Pathology; Diagnosis and Treatment: Review of the Literature

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