The American journal of otology · 2000
Evaluation of three intraoperative auditory monitoring techniques in acoustic neuroma surgery.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Battista R A, Wiet R J, Paauwe L
Аннотация
OBJECTIVE: To assess the efficacy of three intraoperative auditory monitoring techniques: auditory brainstem response (ABR), electrocochleography (ECoG), and direct eight nerve monitoring (DENM).
STUDY DESIGN: A retrospective review of the intraoperative recordings of ABR, ECoG, and DENM was performed.
SETTING: A private, neurotologic practice.
PATIENTS: Sixty-six patients with usable preoperative hearing underwent intraoperative auditory monitoring with ABR, ECoG, or DENM.
INTERVENTIONS: Intraoperative auditory monitoring.
MAIN OUTCOME MEASURES: Postoperative pure-tone hearing threshold and word recognition scores.
RESULTS: Of the 66 patients, 16 (24%) had postoperative serviceable hearing. Five (18%) of the 28 with ABR monitoring, 3 (17%) of the 18 with ECoG monitoring, and 8 (40%) of the 20 with DENM monitoring had serviceable hearing after surgery.
CONCLUSIONS: This study suggests that DENM may be more effective than ABR or ECoG, although the differences in hearing preservation rates are not statistically significant.
STUDY DESIGN: A retrospective review of the intraoperative recordings of ABR, ECoG, and DENM was performed.
SETTING: A private, neurotologic practice.
PATIENTS: Sixty-six patients with usable preoperative hearing underwent intraoperative auditory monitoring with ABR, ECoG, or DENM.
INTERVENTIONS: Intraoperative auditory monitoring.
MAIN OUTCOME MEASURES: Postoperative pure-tone hearing threshold and word recognition scores.
RESULTS: Of the 66 patients, 16 (24%) had postoperative serviceable hearing. Five (18%) of the 28 with ABR monitoring, 3 (17%) of the 18 with ECoG monitoring, and 8 (40%) of the 20 with DENM monitoring had serviceable hearing after surgery.
CONCLUSIONS: This study suggests that DENM may be more effective than ABR or ECoG, although the differences in hearing preservation rates are not statistically significant.