ABSTRACT
Abstract Introduction Bone conduction implants, responsible for transmitting sound from an external processor to the inner ear, can be divided into active and passive, depending on the vibratory stimulus location. The use of transcutaneous device has increased, given its aesthetic appeal, the complications and limitations of percutaneous devices, and patient's treatment adherence, focusing mainly on efficacy. However, various complications are associated with the use of transcutaneous prosthesis, which can often be serious. Objective To approach the literature on complications involving transcutaneous bone-anchored prostheses through a systematic review of articles published in the past 10 years (2011-2021). Data Synthesis The MEDLINE, EMBASE, Scopus, and Cochrane Library databases were searched. All articles written in English reporting on currently available transcutaneous prosthesis implantation and its complications were selected. Studies on both children and adults were included. The data on complications were extracted, and complications were classified as minor or major and associated to each device used. Thirty-seven articles were included in the study, of which 14 were prospective cohort studies, 22 were retrospective case series, and 1 was a case report. Most studies (18) included both adults and children. Moreover, 901 implantations were performed, of which 552 implanted Baha Attract (Cochlear Ltd., Sydney, Australia), 244 implanted BoneBridge (MED-EL, Innsbruck, Austria), and 105 implanted Sophono (Sophono Inc., Boulder, CO, USA]). Furthermore, 192 adverse events were reported (total complication rate, 21.3%), with 161 minor complications (84.3%) and 31 major complications (16.1%). Conclusion Transcutaneous prosthesis is an audiological alternative with fewer complications than percutaneous prosthesis. However, its indication should be judicious because complications are common, and although most complications are minor, serious infections requiring explantation may develop.
ABSTRACT
Abstract Introduction Modern medicine offers a wide spectrum of different hearing devices, and bone conduction implants can be found among them. Objective The presentation of the outcomes of the implantation of a new active bone conduction hearing implant - the Osia®, and its comparison with the well-known passive transcutaneous system - the Baha® Attract. Methods Eight adult patients with bilateral mixed hearing loss were randomly divided into two groups. Group 1 was implanted with the Osia®, and group 2 was implanted with the Baha® Attract. The details of the surgery were analyzed, along with the functional and audiological results. Results In all the cases, the surgery was successful, and the healing uneventful. In both groups, it was observed that pure tone audiometry and speech audiometry in free field improved significantly after the implantation (mean gain in pure tone audiometry for the Osia group 42.8 dB SPL and for the Baha group 38.8 dB SPL). In the Osia group, the results after the surgery were much better than with the Baha® 5 Power processor on the Softband. The patients implanted with the Osia® evaluated the quality of their hearing as being superior to those implanted with the Baha® Attract. There was an evident improvement in the abbreviated profile of hearing aid benefit questionnaire and in the speech, spatial and qualities of hearing scale for both systems. In the abbreviated profile of hearing aid benefit, changes were more evident in the Osia group (in global score 49% vs. 37.2%). Conclusion Implantation of the Osia® is an effective treatment option for the patients with bilateral mixed hearing loss. The surgery is safe but more complex and time-consuming than the Baha® Attract implantation. The preliminary audiological results as well as the overall quality of life indicate that the Osia® is a better solution than the Baha® Attract. However, future studies should be carried out to make further observations in a larger group of patients, and with longer follow-up.
Resumo Introdução A medicina moderna oferece um amplo espectro de diferentes aparelhos auditivos, e implantes de condução óssea estão entre eles. Objetivo Apresentação dos resultados do uso de um novo implante auditivo de condução óssea ativa - o Osia® e sua comparação com o conhecido sistema transcutâneo passivo - o sistema Baha® Attract. Método Oito pacientes adultos com perda auditiva mista bilateral foram divididos aleatoriamente em dois grupos. O grupo 1 foi implantado com o Osia® e o grupo 2 foi implantado com o sistema Baha® Attract. Os detalhes da cirurgia foram analisados, juntamente com os resultados funcionais e audiológicos. Resultados Em todos os casos, a cirurgia foi bem-sucedida e a cicatrização ocorreu sem intercorrências. Nos dois grupos, observou-se que a audiometria de tons puros e a audiometria de fala em campo livre melhoraram significativamente após o implante (ganho médio na audiometria para tons puros para o grupo Osia® de 42,8 dB NPS e para o grupo Baha®, 38,8 dB NPS). No grupo Osia®, os resultados após a cirurgia foram muito melhores do que com o processador Baha® 5 Power no sistema SoftBand. Os pacientes implantados com o Osia® avaliaram melhor a qualidade de sua audição do que os implantados com o sistema Baha® Attract. Houve uma melhoria evidente no questionário abbreviated profile of hearing aid benefit e na escala speech, spatial and qualities of hearing, para ambos os sistemas. No questionario abbreviated profile of hearing aid benefit, as mudanças foram mais evidentes no grupo Osia® (escore global 49% vs. 37,2%). Conclusão O sistema Osia® é uma opção de tratamento eficaz para pacientes com perda auditiva mista bilateral. A cirurgia é segura, mas mais complexa e demorada que a implantação do sistema Baha® Attract. Os resultados audiológicos preliminares, bem como aqueles avaliando a qualidade de vida, indicam que o Osia® é uma alternativa melhor que o Baha® Attract. Entretanto, mais observações são necessárias em grupos maiores de pacientes e com tempo de seguimento mais longo.