Miguel Angelo Hyppolito, Ana Cláudia Mirândola Barbosa Reis, Letícia Cândido de Oliveira, Karine Eying da Silva, Denny Marcos Garcia, Fabiana Danieli-Hyppolito
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引用次数: 0
Abstract
Objective: To investigate the surgical and audiological outcomes in adult bone-anchored hearing system (BAHS) users who underwent implantation using a minimally invasive, single-drill procedure (MONO procedure).
Study design: Retrospective cohort design.
Setting: University hospital.
Patients: Adult subjects (≥18 yr), with conductive and mixed hearing loss, or single-sided deafness (SSD), who underwent BAHS surgery using MONO from 2021 to 2023.
Intervention: BAHS implantation.
Main outcome measures: Surgical and postoperative complications were investigated during the entire follow-up period. Preoperative unaided air- and bone-conduction thresholds, pure-tone average (PTA), air-bone gap (ABG), and monosyllabic word recognition scores (unaided- and softband-aided) were compared with the postoperative BAHS aided PTA, remaining ABG, functional gain, and monosyllabic word recognition scores.
Results: Forty-four subjects aged between 20 and 70 (52 ± 15) years met the inclusion criteria. One subject (2.3%) required two punch incisions due to implant instability during surgery. Two subjects (4.6%) experienced adverse skin reactions. Pain (6.9%) and moisture (6.9%) at implant site were also reported. No other complications were reported over a mean follow-up time of 12.2 ± 5.7 months. The mean BAHS aided score was significantly greater than the mean unaided- and softband-aided scores. All subjects showed functional improvements after surgery (25-31 dB), and the average effective gain was 1.3 dB.
Conclusion: The MONO procedure was shown to be a viable option for routine BAHS surgery in adults. The auditory performance of the subjects improved postoperatively, and complications were minimal and easily resolved. Further studies are required to investigate the long-term outcomes of MONO in this population.
期刊介绍：
Otology & Neurotology publishes original articles relating to both clinical and basic science aspects of otology, neurotology, and cranial base surgery. As the foremost journal in its field, it has become the favored place for publishing the best of new science relating to the human ear and its diseases. The broadly international character of its contributing authors, editorial board, and readership provides the Journal its decidedly global perspective.
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