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2 nd August 2013 Cochlear Implants for SSD Emma van Wanrooy, SCIC.

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Presentation on theme: "2 nd August 2013 Cochlear Implants for SSD Emma van Wanrooy, SCIC."— Presentation transcript:


2 2 nd August 2013 Cochlear Implants for SSD Emma van Wanrooy, SCIC

3 SSD Binaural Hearing Benefits Head Diffraction Effects Binaural Squelch Localisation

4 SSD Binaural Hearing Benefits Head Diffraction Effects Dillon, 2012 -SNR +SNR

5 SSD Binaural Hearing Benefits Head Diffraction Effects Binaural Squelch Localisation

6 SSD Binaural Hearing Benefits Localisation Dillon, 2012

7 SSD A “significant hearing loss in 1 ear” Advisory group for single sided deafness, 2003 Also known as unilateral hearing loss

8 SSD Features Severe to profound Often sudden onset

9 SSD Causes Physical damage /Trauma Compression of the hearing nerve Viral or bacterial infections Disorders of the circulatory system Severe Ménière’s disease

10 SSD Impact Difficulty hearing on impaired side Poor localisation Difficulty hearing in noise Tinnitus

11 SSD Rehabilitation devices Hearing Aid (if sufficient hearing) Cros Aid Bone conductor Bone anchored device eg/ bonebridge

12 SSD Treatment Until now………….. What about cochlear implants?

13 Improvement in speech perception in noise S 0 N 0, S ci N he Significantly better SSQ scores at 3 months 1-3 hours/day rehab SSD Tavora-Vieira et al 2012

14 S nh N ci speech comprehension better than CROS/BAHA, but not better than unaided. Better than unaided, CROS and BAHA for S ci N nh SSD Arndt, et al, 2010

15 Localisation significantly better with CI SSQ at 6 months post CI significantly better CI used significantly longer per day Significant decrease in tinnitus loudness SSD Arndt, et al, 2010

16 Definition of ‘SSD’ Auditory training/ loudness balancing Music appreciation Candidacy assessment SSD Further research needed

17 SSD Personal experiences 47 year old female Sudden loss in right ear 18 years prior Extreme tinnitus

18 SSD Personal experiences “The hearing in my left ear was perfect and not affected ….the tinnitus.. seemed to mask what my good ear was trying to hear.…a constant challenge to keep my sanity ”

19 SSD Personal experiences. “In harms way when walking up streets with traffic I just couldn’t hear or the direction in which it was coming”

20 SSD Personal experiences Referred for BAHA trial and tinnitus counselling Implanted with Med El Sonata Tinnitus reported gone instantly

21 SSD Personal experiences “I’m a lot more balanced and my sense of direction has improved so much it is unbelievable……I now look forward to going out and socialising, I’m more relaxed and am enjoying life more.”

22 SSD Personal experiences “I experiment by turning my processor off. Huge difference. Can’t wait to turn it back on again…. when I turn it back on it is such a relief. It just feels so much better, so balanced.”

23 SSD Personal experiences Aided Speech Perception 6 months post Right CI CUNY @ 65dB SPL100% CUNY in noise (+10dB SNR) 93% CUNY in noise (+ 5dB SNR) 100% CUNY in noise (0dB SNR) 86% CNC words @ 65dB SPL 86%

24 SSD Personal experiences Female aged 23 Musician and singer, studying musicology Meningitis and lost hearing in Left ear

25 SSD Personal experiences Loss of spatial separation of sounds Difficult to identify sounds that were similar. Eg/ tap running, rain, boiling water

26 SSD Personal experiences Implanted 15 months later– Med El Sonata Implant using FSP

27 SSD Personal experiences At switch on, focussed on loudness and balancing Did a lot of auditory training

28 SSD Personal experiences Improved directional hearing Good speech understanding Better able to follow conversation in a group in noise Mobile phone in noise better

29 SSD Personal experiences Unable to perform well in musical when batteries went flat in Speech Processor

30 SSD Take into consideration Duration of deafness Goals: Tinnitus relief Localisation Listening in noise

31 SSD Why CI? Relief from severe tinnitus Improved localisation/ spatial awareness Improved utilisation of head shadow effects in noise


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