Cochlear Implant Fitting Profiles in Children with Congenital Cytomegalovirus: One-Year Longitudinal Comparison with GJB2-Related Hearing Loss

/Objectives : Congenital cytomegalovirus (cCMV) infection is a major cause of paediatric sensorineural hearing loss and may involve peripheral and central auditory pathways. This study investigated longitudinal cochlear implant (CI) fitting parameters in children with cCMV-related hearing loss, including the influence of MRI-detectable brain abnormalities, using GJB2 -related hearing loss as a reference....

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✦ The floor

Discussion

Signed responses from readers of the wire.

✦ Clinical Takeaway ✦

Audiologists fitting cochlear implants in children with congenital CMV (cCMV) should expect different programming profiles and potentially different outcome trajectories compared with GJB2-related hearing loss, supporting etiology-specific fitting and follow-up protocols.

✦ Why It Matters ✦

Distinguishing cochlear implant fitting needs by hearing loss etiology could improve programming efficiency and outcomes in children, particularly as cCMV is the leading non-genetic cause of congenital hearing loss.

✦ Key Points ✦

01One-year longitudinal study comparing cochlear implant fitting profiles in children with cCMV vs. GJB2-related hearing loss.
02cCMV (congenital cytomegalovirus) is the most common non-genetic cause of childhood hearing loss.
03GJB2 mutations are the most common genetic cause of congenital sensorineural hearing loss.
04Fitting profiles (programming maps) differed between the two etiological groups over the 12-month follow-up.
05Findings support etiology-informed cochlear implant fitting and monitoring strategies for pediatric audiologists.

✦ Claims & Evidence ✦

ClaimEvidenceSupport

Cochlear implant fitting profiles differ between children with cCMV-related hearing loss and those with GJB2-related hearing loss over a one-year period.

studypartially supported

✦ Research metadata ✦

PMID: 42940602
DOI: 10.3390/children13101283.
Journal: Children
Publication type: research_article
Evidence level: 2b
Population: Children with cochlear implants due to congenital cytomegalovirus (cCMV) or GJB2-related sensorineural hearing loss
Intervention: Cochlear implant fitting and programming (etiology: cCMV)
Comparator: Cochlear implant fitting and programming in children with GJB2-related hearing loss

Primary outcomes

Cochlear implant fitting profiles (programming maps) over 12 months; Longitudinal comparison of implant performance by etiology

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