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Published on: June 15, 2018
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Subtotal Petrosectomy in Cochlear Implant Surgery: Our Experience.
Rahul Kurkure1, Pabina Rayamajhi2, Ashish Castellino2
1Department of Otorhinolaryngology and Head-Neck Surgery, Army College of Medical Sciences and Base Hospital, Delhi Cantt, New Delhi, 110010 India.
Summary
Subtotal petrosectomy (SP) with cochlear implant (CI) is a safe and effective procedure for specific patients. This surgery helps manage complex ear conditions, offering an acceptable complication rate and facilitating cochlear implantation.
Area of Science:
- Otolaryngology
- Neurosurgery
- Audiology
Background:
- Cochlear implantation (CI) may necessitate subtotal petrosectomy (SP) in specific patient groups.
- SP aims to manage complex ear pathologies and optimize CI outcomes.
Purpose of the Study:
- To review the indications for SP with CI.
- To analyze surgical challenges and complications associated with SP and CI.
Main Methods:
- Retrospective review of patients undergoing SP with CI between January 2010 and December 2016.
- Analysis of patient demographics, indications, surgical techniques, and outcomes.
Main Results:
- Nineteen patients underwent 20 SP with CI procedures.
- Indications included previous mastoid cavities, chronic otitis media, inner ear malformations, ossified cochlea, and unfavorable anatomy.
- Complications occurred in 15% of patients, with most undergoing single-stage surgery.
Conclusions:
- SP effectively isolates the surgical cavity, reduces infection and CSF leak risks, and facilitates CI.
- Meticulous surgical technique is crucial for minimizing complications.
- SP is a safe and effective procedure for selected patients requiring CI.

