/Objectives: Hearing loss is one of the most prevalent sensory disorders in humans, with genetic factors accounting for approximately 60% of cases. Cochlear implantation is an effective intervention for individuals with severe-to-profound hearing loss. However, substantial variability in postoperative auditory performance persists, complicating the prediction of individual outcomes....
✦ The floor
Discussion
Signed responses from readers of the wire.
Genetic testing findings from seven cochlear-implant recipients add to the literature on causative variants, but the very small sample size means these results are hypothesis-generating only and do not justify changes to cochlear implant candidacy or pre-implant genetic counseling protocols.
Expanding the catalog of genetic variants linked to severe-to-profound hearing loss in cochlear implant users may eventually inform personalized rehabilitation expectations and genetic counseling.
- 01Genetic analysis performed on seven cochlear-implanted patients with severe-to-profound hearing loss.
- 02Study targets the ~60% of hearing loss cases with a genetic etiology.
- 03Identified specific gene variants potentially responsible for each patient's hearing loss.
- 04Extremely small sample (N=7) limits statistical power and generalizability.
- 05Results are exploratory and hypothesis-generating rather than practice-changing.
Approximately 60% of hearing loss cases have a genetic basis.
studysupportedSpecific gene variants can be identified in cochlear-implanted patients with severe-to-profound hearing loss.
studypartially supported- PMID
- 42650135
- DOI
- 10.3390/genes17080942.
- Journal
- Genes
- Publication type
- research_article
- Evidence level
- 4
- Sample size
- 7
- Population
- Seven cochlear-implanted patients with severe-to-profound hearing loss
- Intervention
- Genetic analysis/sequencing
Primary outcomes
Identification of causative or associated gene variants; Characterization of genetic etiology of hearing loss in cochlear implant users