A prospective cohort study of cochlear implantation as a treatment for tinnitus in post-lingually deafened individuals

2024

Cochlear Implants as a Treatment for Tinnitus

Sample size: 323 publication 10 minutes Evidence: high

Author Information

Author(s): Wang Qian, Kapolowicz Michelle R., Li Jia-Nan, Ji Fei, Shen Wei-Dong, Wang Fang-Yuan, Chen Wei, Guo Wei-Wei, Zhang Chi, Liu Ri-Yuan, Zhang Miao, Hong Meng-Di, Chen Ai-Ting, Zeng Fan-Gang, Yang Shi-Ming

Primary Institution: Chinese PLA General Hospital

Hypothesis

Can cochlear implantation effectively treat tinnitus in post-lingually deafened individuals?

Conclusion

Cochlear implantation can significantly reduce tinnitus symptoms in most patients with pre-existing tinnitus while posing a low risk of inducing tinnitus in those without it.

Supporting Evidence

After 24 months of cochlear implant usage, tinnitus loudness decreased by 58%.
90% of participants with pre-surgical tinnitus reported a reduction in their symptoms.
Only 3.6% of individuals without pre-existing tinnitus developed it post-implantation.
The study included a diverse cohort of 323 individuals.
Improvements in anxiety and sleep quality were also observed.
The findings support the use of cochlear implants for tinnitus treatment.

Takeaway

Cochlear implants can help people who hear ringing in their ears feel better, and they don't usually make things worse for those who didn't have ringing before.

Methodology

A prospective cohort study followed 323 post-lingually deafened individuals for 24 months after cochlear implantation, measuring tinnitus loudness and related symptoms.