Abstract：
UNLABELLED:The auditory brainstem implant (ABI) is an option for deaf patients who do not have the whole of their auditory pathways preserved. The surgery, because of its anatomical and functional complexity, requires specific training of the surgeon in an anatomy lab. AIM:To study the surgical anatomy of the surgery for auditory brainstem implant. STUDY DESIGN:Anatomic study. MATERIAL AND METHOD:In this exercise we dissected a fresh cadaver prepared with a dye solution injected into the arteries and intra-cranial veins. The location for the insertion of the electrode for the ABI has been studied through the translabyrinthine access. RESULTS:The surgical technique used for implanting the electrode of the brainstem is similar to that used in the removal of the schwannoma vestibular. The cochlear nucleus complex, composed of the ventral and dorsal cochlear nuclei is the location for placing the electrode. The ventral cochlear nucleus is the principal nucleus for transmission of neural impulses from the VIII par and form the main ascendant route of the cochlear nerve. Neither the ventral nor the dorsal nuclei are visible during surgery and their location depends on the identification of adjacent anatomical structures. CONCLUSION:The region for the implantation of the electrode in the auditory brainstem implant presents anatomical references that allow its easy identification during surgery.
journal_name
Braz J Otorhinolaryngoljournal_title
Brazilian journal of otorhinolaryngologyauthors
Brito Neto RV,Bento RF,Yasuda A,Ribas GC,Rodrigues AJ Jrdoi
10.1016/s1808-8694(15)31324-0subject
Has Abstractpub_date
2005-05-01 00:00:00pages
282-6issue
3eissn
1808-8694issn
1808-8686pii
S1808-8694(15)31324-0journal_volume
71pub_type
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