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Alternative techniques in cochlear implant surgery: Subtotal petrosectomy
Santiago Hernández1, Juan C Ospina1, Elisa Gutiérrez-Gómez1
1Otolaryngology and Maxillofacial Surgery Department, San Ignacio University Hospital, Pontificia Universidad Javeriana, Bogotá, Colombia.
American Journal of Otolaryngology
|November 17, 2019
Summary
Subtotal petrosectomy (SP) is a viable surgical option for cochlear implant surgery in complex cases, including chronic ear issues or device extrusion. This technique demonstrated minimal complications in a three-case study.
Area of Science:
- Otolaryngology
- Neurosurgery
- Surgical Innovation
Background:
- Cochlear implantation requires careful surgical planning, especially in patients with prior ear surgeries or complex pathologies.
- Subtotal petrosectomy (SP) is a technique that can modify the anatomy of the temporal bone to facilitate cochlear implant placement.
Observation:
- This study analyzed three cases of subtotal petrosectomy (SP) utilized as a surgical technique for cochlear implant surgery.
- Indications included wide mastoid cavities, electrode extrusion, posterior ear canal wall erosion, and cholesteatoma in previously operated ears.
Findings:
- The ear canal was defunctionalized in all cases, with Eustachian tube obliteration in two.
- A single complication of a small retention cholesteatoma occurred, requiring no surgical intervention.
Implications:
- Subtotal petrosectomy (SP) presents a safe and effective alternative for cochlear implantation in challenging ear conditions.
- This approach can manage complications like wide cavities and electrode extrusion, improving outcomes for patients with chronic ear disease.
