• Robert Behr, Konrad Schwager, and Erich Hofmann.
• University Medicine Marburg Campus Fulda, Clinic for Neurosurgery; University Medicine Marburg Campus Fulda, Clinic for ear, nose and throat diseases, head, neck and plastic facial surgery, communication disorders (hearing, voice and speech disorders); University Medicine Marburg Campus Fulda, Clinic for Diagnostic and Interventional Neuroradiology.
• Dtsch Arztebl Int. 2022 Mar 4; 119 (9): 135-141.

BackgroundChildren who are born deaf can learn to hear and to speak with the aid of a cochlear implant (CI). If the implantation of a CI is not possible for anatomical reasons, an auditory brainstem implant (ABI) is the only surgical option for auditory rehabilitation. It is estimated that about 5 to 45 children could potentially benefit from this treatment in Germany each year. In this article, we present and discuss the current state of the scientific evidence.MethodsThe PubMed and Embase databases were searched for relevant publications from 2010 onward. 15 articles reporting at least 10 cases with at least one year of auditory follow-up were included in the analysis. The results, including CAP ("categories of auditory performance") scores on a scale of 0 to 7, are presented and compared with the authors' own findings in a series of 38 patients.ResultsAll of the publications show that children who do not suffer from impairments of other kinds hear significantly better with an ABI than those with additional handicaps. Early implantation is advantageous, under the age of three years if possible. The results vary widely across publications and from patient to patient. The mean CAP score in all publications is 3.57 (standard deviation [SD], 1.04). 38.24% of the patients (SD 18.68) achieved the ability to understand spoken language (CAP ≥= 5), more specifically, the ability to communicate in everyday life without lip reading, in person and some even succeed in conversing over the telephone.ConclusionABI is a safe and effective treatment for sensorineural deafness in congenitally deaf children who cannot be treated with a cochlear implant. In particular, children without any other impairments have a good chance of developing the ability to understand spoken language, especially if the implantation is performed early.

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