Bilateral Cochlear Implantation in Children With Anomalous Cochleovestibular Anatomy
Bibliographic record
Abstract
OBJECTIVE: To outline clinical experience with bilateral cochlear implantation in children with cochleovestibular anomalies. DESIGN: A prospective cohort study with a mean follow-up of 12 months. SETTING: An academic, pediatric, tertiary referral center. PATIENTS: All eligible children were prospectively recruited from January 1, 2007, through October 31, 2008. Ten children aged 9 to 33 months who had congenital inner ear malformations, including common cavity, incomplete partition, and cochleovestibular hypoplasia, participated. INTERVENTIONS: Bilateral cochlear implantation was performed sequentially with an interimplantation delay greater than 2 years in 7 children and less than 1 year in 1 child. Bilateral simultaneous implantation was performed in 2 children. MAIN OUTCOME MEASURES: Complications, hearing outcomes, and balance outcomes. RESULTS: All children underwent successful implantation. Five children had a perilymph "gusher" (on 1 side only), and there were no other complications. All children had 22 active electrodes bilaterally and achieved speech reception. All 8 children who underwent closed-set speech perception testing scored above 75%, and 5 of the 7 children who underwent open-set testing achieved scores above 75%. Despite variable vestibular function before bilateral implantation, no prolonged imbalance occurred, although 3 children (30%) had transient unsteadiness for up to 2 weeks after the second implantation. CONCLUSIONS: Bilateral cochlear implantation was performed safely and successfully in children with a spectrum of bilaterally anomalous cochleovestibular anatomy. Hearing outcomes suggest that these children should not be excluded from undergoing bilateral implantation. This study provides guidance on candidacy issues, surgical decision making, and surgical techniques in this group.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".