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Superior Canal Dehiscence Syndrome: Clinical-Instrumental Aspects and Atypical Scenarios

Course: #37278Level: Advanced 1.5 Hours 210 Reviews
Recorded Webinar

Besides typical symptoms and signs (including pulsatile tinnitus, hyperacusis, pressure/sound-induced torsional nystagmus, conductive hearing loss and lowered thresholds of air-conducted VEMPs) an analysis of the relevant literature reveals a certain clinical polymorphism induced by superior canal dehiscence (SCD). In addition to asymptomatic persons or subjects with SCD presenting exclusively with cochlear symptoms (only partly explained by the so-called “near-dehiscence syndrome”), SCD cases mainly presenting with atypical/refractory/recurrent positional vertigo and/or Meniere-like vertigo spells have been recently described. Moreover, if surgical occlusion of the superior canal (SC) results in symptoms control inducing a selective SC hypofunction, clinicians my sometimes accidentally detect a reduced SC VOR gain in asymptomatic patients with wide-sized dehiscence. These findings led authors to propose the occurrence either of a natural SC plugging (complete or incomplete) by middle fossa dura prolapsing into the canal lumen or a dispersion of mechanical energy through the dehiscence. Typical and atypical scenarios is presented. A subsample of patients from the personal series with a complete otoneurologic assessment (audiometry, VOG eye recording, air/bone-conducted cervical/ocular VEMPs, video head impulse test) is selected to explain these emerging theories on possible pathomechanisms.

Course created on December 17, 2021

Preview Exam

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CEUs/Hours Offered: AAA/0.15 Advanced; ACAud/1.5; AHIP/1.5; BAA/1.5; CAA/1.5; Calif SLPAB/1.5; IACET/0.2; IHS/1.5; Kansas, LTS-S0035/1.5; NZAS/2.0; SAC/1.5

Learning Outcomes

  • checkmarkAfter this course, participants will be able to identify Superior Canal Dehiscence Syndrome according to the most recent criteria.
  • checkmarkAfter this course, participants will be able to discuss the current use of the available diagnostic tests to detect signs consistent with SCD.
  • checkmarkAfter this course, participants will be able to identify atypical scenarios associated with SCD.

Agenda

0-5 Minutes Introduction of the speakers
5-10 Minutes Definition and pathomechanisms of the third mobile windows
10-15 Minutes Definition, clinical presentation, epidemiology and etiology of SCD
15-30 Minutes Diagnostic work-up and diagnostic criteria of SCD
30-45 Minutes Surgical therapy, postoperative findings in SCD, and overview of unusual clinical pictures of SCD
45-60 Minutes Near-dehiscence syndrome and variability of SCD anatomy
60-70 Minutes Spontaneous auto-plugging process of SCD and endolymphatic hydrops
70-75 Minutes SCD and BPPV
75-90 Minutes Debate and questions

Reviews

210 Reviews

Presented By


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Presenter Disclosure: Financial: Andrea Castellucci is employed as an ENT consultant dedicated to Otology and Neurotology at the ENT Unit of Santa Maria Nuova Hospital, AUSL – IRCCS in Reggio Emilia, Italy. He is an author and co-author of journal articles and book chapters in national and international literature, and a presenter in national and international meetings. Non-financial: Andrea Castelluci has no relevant non-financial relationships to disclose.

Sponsor Disclosure: This Course is presented by INVENTIS • Audiology Equipment in partnership with AudiologyOnline.

Content Disclosure: This learning event does not focus exclusively on any specific product or service.

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American Academy of Audiology

American Academy of Audiology

AudiologyOnline is approved by the American Academy of Audiology to offer Academy CEUs for this activity. The program is worth a maximum of 0.15 CEUs. Academy approval of this continuing education activity is based on course content only and does not imply endorsement of course content, specific products, or clinical procedure, or adherence of the event to the Academy's Code of Ethics. Any views that are presented are those of the presenter/CE Provider and not necessarily of the American Academy of Audiology.


Australian College of Audiology

Australian College of Audiology

AudiologyOnline courses are approved for Continuing Education Points by the Australian College of Audiology. Automatic ACAud Approval Number 20000. This course is offered for 1.5 CEP.


Association of Hearing Instrument Practitioners of Ontario

Association of Hearing Instrument Practitioners of Ontario

The Association of Hearing Instrument Practitioners of Ontario (AHIP) represents and guide its members in their practice which include, the testing and selecting, fitting and dispensing hearing instruments and associated devices in the best interest of the hard of hearing of Ontario. Audiology Online is an approved provider of approved educational activities for AHIP Members. One hour of coursework equals 1 Continuing Education Unit (CEU).


British Academy of Audiology

British Academy of Audiology

This course has been accredited with 1.5 CPD point/s by the British Academy of Audiology.


Canadian Academy of Audiology

Canadian Academy of Audiology

The Canadian Academy of Audiology (CAA) supports and assists its members in the attainment of continuing education towards an individual professional development plan as required by their Provincial Regulatory Colleges and Provincial Associations. Audiology Online is an approved provider of educational activities for CAA members. Each hour of activity may be counted as one Continuous Learning Activity Credit (or equivalent) as allowed by the applicable regulatory college or association.


California Speech-Language Pathology & Audiology Board

AudiologyOnline.com is approved by the California Speech-Language Pathology and Audiology Board as a Continuing Professional Development Provider, approval number PDP 267. This course may meet the requirements for 1.5 hours of continuing education credit for audiologists as required by the California Speech-Language Pathology and Audiology and Hearing Aid Dispensers Board. The responsibility for determining whether or not this specific course counts toward an individual's requirements for license renewal is up to the individual. Please refer to the CA state board rules regarding allowable topics and self-study limits: http://www.speechandhearing.ca.gov/licensees/ce_req.shtml


International Association for Continuing Education and Training

International Association for Continuing Education and Training

continued, LLC, DBA AudiologyOnline, is accredited by the International Association for Continuing Education and Training (IACET). continued complies with the ANSI/IACET Standard, which is recognized internationally as a standard of excellence in instructional practices. As a result of this accreditation, continued is authorized to issue the IACET CEU. continued, LLC, is authorized by IACET to offer 0.2 CEUs for this program.


International Hearing Society

International Hearing Society

This program is approved by the International Hearing Society and its educational committee, the International Institute for Hearing Instruments Studies. To learn more about earning IHS CE Credit, click here.


Kansas Department for Aging and Disability Services

Kansas Department of Health and Environment: Approved for 1.5 continuing education clock hours for Kansas licensed Audiologists by the Kansas Department for Aging and Disability Services. Long-Term Sponsorship number LTS-S0035.


New Zealand Audiological Society

New Zealand Audiological Society

This course is offered for 2.0 Continuing Education points through the New Zealand Audiological Society.


Speech-Language & Audiology Canada

Speech-Language & Audiology Canada

Clinically certified members of Speech-Language & Audiology Canada (SAC) can accumulate continuing education equivalents (CEEs) for their participation with AudiologyOnline. One hour of coursework equals 1 CEE. All SAC members are encouraged to participate in on-going education.


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