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Published on: January 9, 2019
SAS-CIS preference study in postlingually deafened adults implanted with the CLARION cochlear implant
1Advanced Bionics Corporation, Sylmar, California 91342, USA.
The Annals of Otology, Rhinology & Laryngology. Supplement
|April 24, 1999
Summary
Patients with cochlear implants showed similar sentence understanding but better word recognition with the Simultaneous Analog Stimulation (SAS) strategy compared to the Continuous Interleaved Sampler (CIS) strategy.
Area of Science:
- Audiology
- Neuroscience
- Biomedical Engineering
Background:
- Cochlear implants are crucial for restoring hearing in postlingually deafened adults.
- The CLARION Multi-Strategy Cochlear Implant offers multiple processing strategies.
- Understanding user preference for specific strategies is key to optimizing outcomes.
Purpose of the Study:
- To compare speech perception performance between Simultaneous Analog Stimulation (SAS) and Continuous Interleaved Sampler (CIS) strategies in CLARION cochlear implant users.
- To investigate factors influencing strategy preference.
Main Methods:
- Speech perception tests (CID sentences, CNC words) were administered to 71 postlingually deafened adults after 3 months of cochlear implant use.
- Participants were grouped based on their preferred strategy: SAS (n=23) or CIS (n=48).
- Preoperative factors like duration of deafness and sentence recognition scores were analyzed.
Main Results:
- Mean CID sentence scores were comparable between SAS and CIS users at 3 months.
- SAS users achieved significantly higher mean CNC word scores than CIS users.
- SAS users had shorter duration of deafness; CIS users had higher preoperative sentence recognition.
Conclusions:
- Access to a preferred processing strategy, like SAS, may enhance speech perception performance in postlingually deafened adults.
- Individual patient characteristics influence strategy selection and outcomes.
- Findings suggest potential benefits of offering multiple strategies in cochlear implant systems.
