Effects of different morphological types of enlarged vestibular aqueduct on clinical onset and cochlear implantation

To investigate the influence of different morphological features of the enlarged vestibular aqueduct (EVA) on clinical onset and postoperative speech rehabilitation outcomes in pediatric patients undergoing cochlear implantation (CI) at our institution.

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✦ The floor

Discussion

Signed responses from readers of the wire.

✦ Clinical Takeaway ✦

Morphological subtyping of enlarged vestibular aqueduct may influence cochlear implant candidacy decisions and post-operative counseling on speech outcomes, but prospective multicenter validation is needed before changing implantation criteria.

✦ Why It Matters ✦

Understanding how EVA morphology shapes clinical course and CI outcomes could allow audiologists and cochlear implant teams to better set patient expectations and optimize rehabilitation planning.

✦ Key Points ✦

01Different morphological types of enlarged vestibular aqueduct (EVA) may predict different patterns of hearing loss onset.
02Study assesses how EVA morphology influences speech rehabilitation outcomes after cochlear implantation.
03Findings published in Frontiers in Medicine (peer-reviewed).
04EVA is one of the most common identifiable causes of childhood sensorineural hearing loss.
05Results could refine patient selection and counseling for cochlear implant programs.

✦ Claims & Evidence ✦

ClaimEvidenceSupport

Different morphological types of enlarged vestibular aqueduct are associated with differing clinical onset patterns of hearing loss.

studypartially supported

EVA morphological type influences postoperative speech rehabilitation outcomes following cochlear implantation.

studypartially supported

✦ Research metadata ✦

PMID: 42846068
DOI: 10.3389/fmed.2026.1944240.
Journal: Frontiers in Medicine
Publication type: research_article
Evidence level: 4
Population: Patients with enlarged vestibular aqueduct (EVA) who underwent cochlear implantation
Intervention: Cochlear implantation in patients with different EVA morphological types
Comparator: Different morphological subtypes of EVA compared against each other

Primary outcomes

Clinical onset characteristics of hearing loss; Postoperative speech rehabilitation outcomes

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