Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology · 2021
Secondary Obliteration Surgery for Troublesome Mastoid Cavities: A Prospective Series of 228 Pediatric and Adult Cases.
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Patil Sachin, Trinidade Aaron, Wong Billy, Yung Matthew W
Аннотация
OBJECTIVE: To present the results of a 15-year longitudinal study in a pediatric and adult population with secondary obliteration of troublesome mastoid cavities.
STUDY DESIGN: Prospective longitudinal study.
PATIENTS: Children (≤16 yrs) and adults who had obliteration surgery (228 ears) between 2000 and 2017.
INTERVENTIONS: Therapeutic.
SETTING: Tertiary referral center.
MAIN OUTCOME MEASURES: 1) Incidence of recurrent or residual cholesteatoma; 2) creation of a dry ear at 5 years postsurgery; 3) postoperative complications; 4) waterproof status of ear; 5) number of subsequent ear surgery required.
RESULTS: Thirty-one pediatric and 197 adult cases contributed to the study. At 5 years 11 of 98 (10.8%) had been lost to follow-up. Using Kaplan-Meier survival analysis, the residual rate after 5 years was 4.2% (95% CI: 0.3%-8.2%) and the recurrence rate was 1% (95% CI: 0.0%-3.0%). Of the 223 ears available for assessment, 209 (93.7%) achieved a dry state, 6 (2.7%) had intermittent discharge, 6 (2.7%) had flap necrosis requiring flap trimming, and 1 (0.4%) developed meatal stenosis. Using a cross-sectional analysis at 12 months of follow-up, the otorrhea risk was 19.2% and the risk of definitive waterproofing was 10.9%. There was a reoperation risk of 10% within 5 years which included second-stage ossiculoplasty.
CONCLUSIONS: Secondary mastoid obliteration is a safe and useful technique in treating the troublesome mastoid cavity in both children and adults. It is associated with a low cholesteatoma recidivism rate and high rate of a trouble-free ear in the long term.
STUDY DESIGN: Prospective longitudinal study.
PATIENTS: Children (≤16 yrs) and adults who had obliteration surgery (228 ears) between 2000 and 2017.
INTERVENTIONS: Therapeutic.
SETTING: Tertiary referral center.
MAIN OUTCOME MEASURES: 1) Incidence of recurrent or residual cholesteatoma; 2) creation of a dry ear at 5 years postsurgery; 3) postoperative complications; 4) waterproof status of ear; 5) number of subsequent ear surgery required.
RESULTS: Thirty-one pediatric and 197 adult cases contributed to the study. At 5 years 11 of 98 (10.8%) had been lost to follow-up. Using Kaplan-Meier survival analysis, the residual rate after 5 years was 4.2% (95% CI: 0.3%-8.2%) and the recurrence rate was 1% (95% CI: 0.0%-3.0%). Of the 223 ears available for assessment, 209 (93.7%) achieved a dry state, 6 (2.7%) had intermittent discharge, 6 (2.7%) had flap necrosis requiring flap trimming, and 1 (0.4%) developed meatal stenosis. Using a cross-sectional analysis at 12 months of follow-up, the otorrhea risk was 19.2% and the risk of definitive waterproofing was 10.9%. There was a reoperation risk of 10% within 5 years which included second-stage ossiculoplasty.
CONCLUSIONS: Secondary mastoid obliteration is a safe and useful technique in treating the troublesome mastoid cavity in both children and adults. It is associated with a low cholesteatoma recidivism rate and high rate of a trouble-free ear in the long term.