The Laryngoscope · 2026
Robotic-Assisted Electrode Array Insertion Improves Stability of Acoustic Hearing Thresholds.
СтатьяПоддержка NIH: внешняя программаНазвание и аннотация: Перевод пока не подготовлен
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Khan Uzair A, Scheperle Rachel A, Podhajsky Grant, Lind Meggan J, Dunn Camille C, Claussen Alexander D, Gantz Bruce J, Hansen Marlan R
Аннотация
OBJECTIVE(S): Robotic-assisted electrode array (EA) insertion is a promising technique that may enhance preservation of residual acoustic hearing after cochlear implant (CI) surgery. The purpose of this study is to evaluate the impact of robotic-assisted EA insertion on rates of delayed-onset hearing loss (DOHL).
METHODS: Sixty (Advanced Bionics [AB]: 30, MED-EL: 30) adult patients underwent CI surgery with manual EA insertion and 29 (AB: 13, MED-EL: 16) with robotic-assisted insertion using the iotaSOFT system. The primary outcome variable was longitudinal change in low frequency pure-tone average (LFPTA). DOHL was defined as a decrease in LFPTA of > 10 dB compared to previous best postoperative LFPTA.
RESULTS: Twenty-two (37%) out of the 60 subjects in the manual cohort and two (7%) out of the 29 subjects in the robotic-assisted cohort had DOHL over the entire length of available follow-up (p = 0.002, Fisher's exact test, two-tailed). When evaluating DOHL results for subjects who had LFPTA data at 12 months (±4 weeks) post initial activation, 11 (29%) out of the 38 (AB: 15, MED-EL: 23) subjects in the manual cohort and zero (0%) out of the 18 (AB: 8, MED-EL: 10) subjects in the robotic-assisted cohort had DOHL (p = 0.011, Fisher's exact test, two-tailed). The number needed to treat was 4.
CONCLUSION: Robotic-assisted EA insertion is associated with a clinically meaningful reduction in rates of DOHL. Preservation of residual acoustic hearing is a critical goal in CI surgery, and robotic-assisted EA insertion contributes towards achieving this goal.
METHODS: Sixty (Advanced Bionics [AB]: 30, MED-EL: 30) adult patients underwent CI surgery with manual EA insertion and 29 (AB: 13, MED-EL: 16) with robotic-assisted insertion using the iotaSOFT system. The primary outcome variable was longitudinal change in low frequency pure-tone average (LFPTA). DOHL was defined as a decrease in LFPTA of > 10 dB compared to previous best postoperative LFPTA.
RESULTS: Twenty-two (37%) out of the 60 subjects in the manual cohort and two (7%) out of the 29 subjects in the robotic-assisted cohort had DOHL over the entire length of available follow-up (p = 0.002, Fisher's exact test, two-tailed). When evaluating DOHL results for subjects who had LFPTA data at 12 months (±4 weeks) post initial activation, 11 (29%) out of the 38 (AB: 15, MED-EL: 23) subjects in the manual cohort and zero (0%) out of the 18 (AB: 8, MED-EL: 10) subjects in the robotic-assisted cohort had DOHL (p = 0.011, Fisher's exact test, two-tailed). The number needed to treat was 4.
CONCLUSION: Robotic-assisted EA insertion is associated with a clinically meaningful reduction in rates of DOHL. Preservation of residual acoustic hearing is a critical goal in CI surgery, and robotic-assisted EA insertion contributes towards achieving this goal.