{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T12:40:49Z","timestamp":1760964049997,"version":"build-2065373602"},"reference-count":16,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2020,12,15]],"date-time":"2020-12-15T00:00:00Z","timestamp":1607990400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["aao-hnsfjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Otolaryngol.--head neck surg."],"published-print":{"date-parts":[[2021,8]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To discuss indications for bilateral auditory brainstem implants (ABIs), compare audiometric outcomes of unilateral vs bilateral ABIs, and determine if patients have improved outcomes with addition of a second\u2010side implant.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study Design<\/jats:title><jats:p>Retrospective review of 24 patients with neurofibromatosis 2 (NF2) who underwent sequential placement of ABIs from 1989 to 2019.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>Tertiary referral center.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Charts were reviewed for indication for second\u2010side surgery, use of implants, and audiometric outcomes. Implants placed in the past 30 years were included in the study. Northwestern University Children\u2019s Perception of Speech (NU\u2010CHIPS) and\/or City University of New York (CUNY) sentence scores were compared in unilateral and bilateral conditions.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Indications for a second\u2010side implant included first\u2010side implants with severe nonauditory symptoms (11), marginal audiometric results (9), outdated technology (2), or deterioration of first side (2). Seven patients are bilateral users and 1 patient discontinued bilateral use after a year due to no significant improvement over unilateral use. One patient with initial bilateral use was lost to follow\u2010up. Thirteen patients are unilateral users due to nonaudiometric side effects or poor audiometric outcomes with the first side. Two patients are complete nonusers. Seventy\u2010five percent had improved audiometric outcomes after the second\u2010side implant, and 20% had stable findings.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Second\u2010side ABIs should be consider in patients with poor performance from a first\u2010side implant. Most patients demonstrate subjective improvement with the second ABI. More research is needed for better objective assessments of improvements.<\/jats:p><\/jats:sec>","DOI":"10.1177\/0194599820977420","type":"journal-article","created":{"date-parts":[[2020,12,15]],"date-time":"2020-12-15T06:55:32Z","timestamp":1608015332000},"page":"339-343","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Bilateral Auditory Brainstem Implants in Patients With Neurofibromatosis 2"],"prefix":"10.1002","volume":"165","author":[{"given":"Kathryn Y.","family":"Noonan","sequence":"first","affiliation":[{"name":"Tufts Medical Center Boston Massachusetts USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jordan","family":"Rock","sequence":"additional","affiliation":[{"name":"House Institute Los Angeles California USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zach","family":"Barnard","sequence":"additional","affiliation":[{"name":"House Institute Los Angeles California 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