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KMID : 0191120150300010082
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Journal of Korean Medical Science
2015 Volume.30 No. 1 p.82 ~ p.87
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Long-term Outcome of Cochlear Implant in Patients with Chronic Otitis Media: One-stage Surgery Is Equivalent to Two-stage Surgery
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Jang Jeong-Hun
Park Min-Hyun
Song Jae-Jin
Lee Jun-Ho
Oh Seung-Ha
Kim Chong-Sun
Chang Sun-O
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Abstract
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This study compared long-term speech performance after cochlear implantation (CI) between surgical strategies in patients with chronic otitis media (COM). Thirty patients with available open-set sentence scores measured more than 2 yr postoperatively were included: 17 who received one-stage surgeries (One-stage group), and the other 13 underwent two-stage surgeries (Two-stage group). Preoperative inflammatory status, intraoperative procedures, postoperative outcomes were compared. Among 17 patients in One-stage group, 12 underwent CI accompanied with the eradication of inflammation; CI without eradicating inflammation was performed on 3 patients; 2 underwent CIs via the transcanal approach. Thirteen patients in Two-stage group received the complete eradication of inflammation as first-stage surgery, and CI was performed as second-stage surgery after a mean interval of 8.2 months. Additional control of inflammation was performed in 2 patients at second-stage surgery for cavity problem and cholesteatoma, respectively. There were 2 cases of electrode exposure as postoperative complication in the two-stage group; new electrode arrays were inserted and covered by local flaps. The open-set sentence scores of Two-stage group were not significantly higher than those of One-stage group at 1, 2, 3, and 5 yr postoperatively. Postoperative long-term speech performance is equivalent when either of two surgical strategies is used to treat appropriately selected candidates.
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KEYWORD
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Cochlear Implantation, Otitis Media, Tympanomastoidectomy, Speech Performance
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