Otology & neurotology open · 2021
Endoscopic Over Under Cartilage Tympanoplasty Is Not Inferior to Underlay Cartilage Tympanoplasty.
СтатьяНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Erbele Isaac D, Fink Madelinn R, Mankekar Gauri, Son Leslie S, Arriaga Moisés A, Mehta Rahul
Аннотация
OBJECTIVE: Evaluate whether elevating the tympanic membrane from the malleus during endoscopic tympanoplasty may negatively affect postoperative hearing outcomes or perforation rates by comparing 2 similar endoscopic tympanoplasty techniques.
STUDY DESIGN: Retrospective cohort.
SETTING: Tertiary care center.
PATIENTS: Endoscopic over-under cartilage tympanoplasties age and gender matched to endoscopic underlay cartilage tympanoplasties between January 2015 and January 2019. Exclusion criteria included preoperative or intraoperative cholesteatoma, performance of mastoidectomy or ossicular chain reconstruction, and lack of postoperative audiogram.
INTERVENTIONS: Endoscopic cartilage tympanoplasty via over-under or underlay technique.
MAIN OUTCOME MEASURES: Pre- and postoperative pure-tone average and word recognition score, graft success.
RESULTS: A total of 52 patients were evaluated: 26 endoscopic over-under cartilage tympanoplasties were matched to endoscopic underlay cartilage tympanoplasties. Both groups demonstrated a statistically significant improvement in air conduction hearing (9 dB [P < 0.001] and 6 dB [P < 0.01], respectively), and bone pure-tone average did not worsen in either group (P < 0.001 and P < 0.05, respectively). Postoperative air conduction pure-tone average was statistically noninferior in the over-under group compared with the underlay group (P < 0.05). Reperforation was present in 3 patients (12%) in the underlay group and none in the over-under group, but this difference was not statistically significant (P = 0.24).
CONCLUSIONS: Endoscopic over-under cartilage tympanoplasty effectively closes tympanic membrane perforations and improves hearing, without greater risk than underlay tympanoplasty. Elevating the tympanic membrane from the malleus does not confer worsen hearing outcomes.
STUDY DESIGN: Retrospective cohort.
SETTING: Tertiary care center.
PATIENTS: Endoscopic over-under cartilage tympanoplasties age and gender matched to endoscopic underlay cartilage tympanoplasties between January 2015 and January 2019. Exclusion criteria included preoperative or intraoperative cholesteatoma, performance of mastoidectomy or ossicular chain reconstruction, and lack of postoperative audiogram.
INTERVENTIONS: Endoscopic cartilage tympanoplasty via over-under or underlay technique.
MAIN OUTCOME MEASURES: Pre- and postoperative pure-tone average and word recognition score, graft success.
RESULTS: A total of 52 patients were evaluated: 26 endoscopic over-under cartilage tympanoplasties were matched to endoscopic underlay cartilage tympanoplasties. Both groups demonstrated a statistically significant improvement in air conduction hearing (9 dB [P < 0.001] and 6 dB [P < 0.01], respectively), and bone pure-tone average did not worsen in either group (P < 0.001 and P < 0.05, respectively). Postoperative air conduction pure-tone average was statistically noninferior in the over-under group compared with the underlay group (P < 0.05). Reperforation was present in 3 patients (12%) in the underlay group and none in the over-under group, but this difference was not statistically significant (P = 0.24).
CONCLUSIONS: Endoscopic over-under cartilage tympanoplasty effectively closes tympanic membrane perforations and improves hearing, without greater risk than underlay tympanoplasty. Elevating the tympanic membrane from the malleus does not confer worsen hearing outcomes.