Related Experiment Video
Updated: Dec 27, 2025

Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process
Published on: June 21, 2024
Equations to establish a regression between current units with respect to patient`s age and the use time of cochlear
Ileana Gutiérrez-Farfán1, Ana L Lino-González2, Antonio Verduzco-Mendoza2
1Servicio de Audiología, Posgrado de Alta Especialidad de Audiología Pediátrica, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Universidad Tecnológica de México. Ciudad de México, México.
Insights
New regression equations help estimate cochlear implant current units needed during the adjustment phase based on patient age and implant duration. This aids clinical practice by predicting required current levels.
Area of Science:
- Audiology and Speech-Language Pathology
- Biomedical Engineering
- Pediatric Otolaryngology
Background:
- Cochlear implants are crucial for pediatric hearing rehabilitation.
- Optimizing the adjustment phase requires accurate estimation of current units.
- Existing methods may lack precision in predicting these needs over time.
Purpose of the Study:
- To develop multivariate multiple regression equations.
- To establish a mathematical association for estimating current units.
- To correlate these estimates with patient age and implant usage duration.
Main Methods:
- Descriptive cross-sectional study involving 41 pediatric patients with unilateral cochlear implants.
- Patients were categorized into three distinct groups.
- Multivariable multiple regression equations were constructed for analysis.
Main Results:
- Variability in current units differed across electrode groups and patient groups.
- Group 2, specifically electrode Group 3, demonstrated the lowest variability in current units.
- Specific electrode groups showed similar standard deviations and asymmetry indices within patient groups.
Conclusions:
- The developed regression equations offer a potential tool for clinical application.
- These equations can assist in determining necessary current units based on age and implant duration.
- Clinical implementation could refine the cochlear implant adjustment phase.
Objective:
Propose a system of multivariate multiple regression equations in order to establish a mathematical association that allows estimating the current units needed during the adjustment phase with respect to age and time that were used the implants.
Method:
Descriptive cross-sectional study. A total of 41 pediatric patients with a unilateral cochlear implant participated. Three groups were formed and multivariable multiple regression equations were constructed.
Results:
For Group 1, in electrode Groups 3 and 4, there is a lower standard deviation and a similar index of asymmetry of the current units; in Group 2, the groups of electrodes with similar index of asymmetry were 2 and 4, while group of electrodes 3 presented average of 21.54 and dispersion smaller (16.25); in Group 3, groups of electrodes 3 and 4 presented similar standard deviation and average and smaller standard deviation. With respect to the standard estimation error, the lowest variability of current units was obtained in Group 2 for electrode Group 3.
Conclusion:
The proposed equations could be used in the clinical area by knowing the units current needed with respect to age and time of use the implant.

