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Outcomes and Considerations of Cochlear Implantation in Patients With Incomplete Partition Type-III Malformation: A
Sagar Vasandani1, Sandeep Kowkuntla1, Warren Luo1
1Georgetown University School of Medicine.
Summary
Cochlear implantation (CI) in patients with incomplete partition type III (IP-III) malformations is viable, though outcomes may be less predictable than in other inner ear malformations. CSF gusher is a common complication during surgery for IP-III.
Area of Science:
- Otolaryngology
- Neurosurgery
- Audiology
Background:
- Cochlear implantation (CI) is beneficial for inner ear malformations (IEMs).
- Incomplete partition type III (IP-III) malformations are rarely considered for CI.
- This review evaluates CI benefits in IP-III malformations.
Purpose of the Study:
- To assess the outcomes and complications of cochlear implantation in patients with incomplete partition type III malformations.
- To determine if CI in IP-III malformations yields results comparable to other IEMs.
Main Methods:
- A PRISMA-guided scoping review of 40 studies.
- Searched MEDLINE, EMBASE, Cochrane CENTRAL, CINAHL, and Web of Science.
- Included cohort studies, case studies, and conference abstracts on CI in IP-III.
Main Results:
- CSF gusher occurred in 98.4% of patients with IP-III undergoing CI.
- Speech perception, Categories of Auditory Performance (CAP), and Speech Intelligibility Rating (SIR) were primary outcome measures.
- Performance in IP-III was statistically similar to other malformations but less so compared to normal ears.
Conclusions:
- CSF gusher is an expected complication of CI in IP-III malformations.
- Auditory outcomes in IP-III malformations are comparable to other IEMs, though expectations should be managed.
- CI remains a viable option for patients with IP-III malformations.
