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Bone anchored hearing aid

Aaron R Baker, David G Fanelli, Sangam Kanekar, Huseyin Isildak
OBJECTIVE: Current bone-anchored hearing aid (BAHA) guidelines recommend placement of the titanium implant 5 to 7 cm posterior to the ear canal. Previous studies show that bone conducted hearing is maximized the closer the transducer is to the cochlea. We aim to investigate the position of the sigmoid sinus with respect to BAHA implants to determine whether they may be safely placed closer to the ear canal in patients with chronic ear disease, enhancing the amplification available to the patient...
October 12, 2016: Otology & Neurotology
L Westover, G Faulkner, W Hodgetts, D Raboud
This study presents the Advanced System for Implant Stability Testing (ASIST) which provides a non-invasive, quantitative measure of the stability of percutaneous implants used for craniofacial rehabilitation such as bone anchored hearing aids or dental implants. The ASIST uses an impact technique coupled with an analytical model which allows the measure to be independent of the system components. This paper presents a laboratory evaluation of the ASIST for the Oticon Medical Ponto and the Cochlear Baha Connect bone anchored hearing aid (BAHA) systems...
October 6, 2016: Journal of Biomechanics
M Khalid-Raja, K Tzifa
OBJECTIVE: This study aimed to evaluate the activity of paediatric otolaryngology services required for children with Down's syndrome in a tertiary referral centre. METHODS: A review of the paediatric otolaryngology input for children with Down's syndrome was performed; data were obtained from the coding department for a two-year period and compared with other surgical specialties. RESULTS: Between June 2011 and May 2013, 106 otolaryngology procedures were performed on children with Down's syndrome...
October 6, 2016: Journal of Laryngology and Otology
Antonio Caruso, Anna Lisa Giannuzzi, Valerio Sozzi, Mario Sanna
To investigate the surgical and audiological outcomes of an installation of a bone-anchored hearing system (BAHS) procedure without tissue reduction using Ponto implants and abutments. Retrospective consecutive case series. Forty-nine patients, 18 years or older and eligible for treatment with a bone-anchored hearing system with tissue preservation surgery, were included in the study. Following a systematic scheme for medical outcomes, we collected the data regarding surgical intervention, quality of life (GBI), skin and soft tissue reactions (Holgers grading system), pain and numbness (VAS)...
September 14, 2016: European Archives of Oto-rhino-laryngology
Cristina Rigato, Sabine Reinfeldt, Bo Håkansson, Karl-Johan Fredén Jansson, Myrthe K S Hol, Måns Eeg-Olofsson
HYPOTHESIS: The transcutaneous bone conduction implant (BCI) is compared with bone-anchored hearing aids (BAHAs) under the hypothesis that the BCI can give similar rehabilitation from an audiological as well as patient-related point of view. BACKGROUND: Patients suffering from conductive and mixed hearing losses can often benefit more from rehabilitation using bone conduction devices (BCDs) rather than conventional air conduction devices. The most widely used BCD is the percutaneous BAHA, with a permanent skin-penetrating abutment...
October 2016: Otology & Neurotology
James R Dornhoffer, John L Dornhoffer
PURPOSE OF REVIEW: The purpose of this review is to summarize current studies detailing the impact of unilateral sensorineural hearing loss in children and the most current modalities of treatment used in its management. RECENT FINDINGS: Current studies corroborate historic views on the impact of unilateral sensorineural hearing loss on patient wellbeing and academic success and stress the use of additional surveillance and studies to diagnose those patients that may pass standard screening practices and suffer from lack of prompt and proper care...
August 31, 2016: Current Opinion in Otolaryngology & Head and Neck Surgery
Hillary A Snapp, Kari E Morgenstein, Fred F Telischi, Simon Angeli
Transcranial attenuation (TA) of bone-conducted sound has a high degree of variability by frequency and subject, which may play a role in the objective benefit of individuals with single-sided deafness (SSD) treated with a bone-anchored implant (BAI). This study sought to determine whether TA is predictive of benefit in individuals with SSD who receive a BAI. Adult, English-speaking patients with unilateral profound sensorineural hearing loss who underwent a BAI evaluation were included for study. Absolute TA values were consistent with previously published reports...
August 17, 2016: Audiology & Neuro-otology
Aaron Baker, David Fanelli, Sangam Kanekar, Huseyin Isildak
OBJECTIVE: Bone-anchored hearing aid has been shown to be effective in hearing rehabilitation for conductive loss or single-sided deafness. Current FDA guidelines allow implantation in patients over 5 years old. This guideline is at least partially due to concern for thickness of bone stock at the implant site. We aim to investigate whether temporal bone thickness should be a deterrent to implantation in those younger than five. STUDY DESIGN: A retrospective review of high-resolution temporal bone computed tomographies (CTs) comparing measurements between ears with chronic disease and controls...
October 2016: Otology & Neurotology
Thomas Lunner, Mary Rudner, Tove Rosenbom, Jessica Ågren, Elaine Hoi Ning Ng
In adaptive Speech Reception Threshold (SRT) tests used in the audiological clinic, speech is presented at signal to noise ratios (SNRs) that are lower than those generally encountered in real-life communication situations. At higher, ecologically valid SNRs, however, SRTs are insensitive to changes in hearing aid signal processing that may be of benefit to listeners who are hard of hearing. Previous studies conducted in Swedish using the Sentence-final Word Identification and Recall test (SWIR) have indicated that at such SNRs, the ability to recall spoken words may be a more informative measure...
July 2016: Ear and Hearing
Beldan Polat, Mete İşeri, Kadir Serkan Orhan, Ayça Başkadem Yılmazer, Necati Enver, Didem Ceylan, Ahmet Kara, Yahya Güldiken, Şenol Çomoğlu
OBJECTIVE: To compare two different percutaneous bone-anchored hearing aid (BAHA) abutment systems regarding operation time, scar healing, quality of life, implant stability, audiologic results, and complications. MATERIALS AND METHODS: The study involves a prospective multi-center clinical evaluation. Thirty-two consecutive patients who had undergone BAHA surgery from January 2011 to January 2013 in two tertiary centers were included in the study. The Glasgow Inventory Benefit Score was used to assess the patients at least 6 months after surgery...
April 2016: Journal of International Advanced Otology
Akhilesh Kotiya, Manohar Bance, Jeff Leadbetter, Jeremy Brown, Rob Adamson
OBJECTIVE: To compare the performance of a subcutaneous piezoelectrically actuated hearing aid (SPAHA) with the bone-anchored hearing aid (BAHA) and assess its effectiveness as a treatment option for conductive loss and single-sided deafness (SSD). BACKGROUND: To validate the use of the SPAHA as a bone conduction implant, its performance was compared with a widely used bone conduction implant, the BAHA. Maximum dynamic range, power consumed to deliver standard speech signals and total harmonic distortion (THD) was assessed...
July 2016: Otology & Neurotology
R Roplekar, A Lim, S S M Hussain
OBJECTIVE: To compare the skin-related complications of the traditional skin flap method with a linear incision method of implantation. METHOD: All cases of bone-anchored hearing aid surgery performed by a single surgeon (n = 117) were compared over two periods: 1999-2011, when the traditional method of skin flap and soft tissue removal was used (group 1; n = 86), and 2012-2013, when linear incision without soft tissue removal was used (group 2; n = 31). All patients were followed up for one year and complications were recorded for that period...
June 2016: Journal of Laryngology and Otology
Ivo Dobrev, Stefan Stenfelt, Christof Röösli, Lucy Bolt, Flurin Pfiffner, Rahel Gerig, Alexander Huber, Jae Hoon Sim
OBJECTIVE: This study explores the influence of stimulation position on bone conduction (BC) hearing sensitivity with a BC transducer attached using a headband. DESIGN: (1) The cochlear promontory motion was measured in cadaver heads using laser Doppler vibrometry while seven different positions around the pinna were stimulated using a bone anchored hearing aid transducer attached using a headband. (2) The BC hearing thresholds were measured in human subjects, with the bone vibrator Radioear B71 attached to the same seven stimulation positions...
August 2016: International Journal of Audiology
Timo Gerdes, Rolf Benedikt Salcher, Burkard Schwab, Thomas Lenarz, Hannes Maier
OBJECTIVES: In conductive, mixed hearing losses and single-sided-deafness bone-anchored hearing aids are a well-established treatment. The transcutaneous transmission across the intact skin avoids the percutaneous abutment of a bone-anchored device with the usual risk of infections and requires less care.In this study, the audiological results of the Bonebridge transcutaneous bone conduction implant (MED-EL) are compared to the generally used percutaneous device BP100 (Cochlear Ltd., Sydney, Australia)...
July 2016: Otology & Neurotology
Joong-Wook Shin, Sung Huhn Kim, Jae Young Choi, Hong-Joon Park, Seung-Chul Lee, Jee-Sun Choi, Han Q Park, Ho-Ki Lee
OBJECTIVES: Bone-anchored hearing aids (BAHA) occasionally cause soft tissue problems due to abutment. Because Sophono does not have abutment penetrating skin, it is thought that Sophono has no soft tissue problem relating to abutment. On the other hand, transcutaneous device's output is reported to be 10 to 15 dB lower than percutaneous device. Therefore, in this study, Sophono and BAHA were compared to each other from surgical and audiological points of view. METHODS: We retrospectively reviewed the medical records of 9 Sophono patients and 10 BAHA patients...
March 2016: Clinical and Experimental Otorhinolaryngology
Ahmet Kara, Rabia Oztas Kara, Hakan Bayraktar, Mete Iseri
No abstract text is available yet for this article.
March 2016: Journal of Craniofacial Surgery
Rik C Nelissen, Martijn J H Agterberg, Myrthe K S Hol, Ad F M Snik
Bone conduction devices (BCDs) are advocated as an amplification option for patients with congenital conductive unilateral hearing loss (UHL), while other treatment options could also be considered. The current study compared a transcutaneous BCD (Sophono) with a percutaneous BCD (bone-anchored hearing aid, BAHA) in 12 children with congenital conductive UHL. Tolerability, audiometry, and sound localization abilities with both types of BCD were studied retrospectively. The mean follow-up was 3.6 years for the Sophono users (n = 6) and 4...
October 2016: European Archives of Oto-rhino-laryngology
Wojciech Gawęcki, Olgierd Maciej Stieler, Andrzej Balcerowiak, Dariusz Komar, Renata Gibasiewicz, Michał Karlik, Joanna Szyfter-Harris, Maciej Wróbel
Bone-anchored hearing aids are well-established solutions for treatment of hearing-impaired patients. However, classical systems with percutaneous abutments have disadvantages concerning aesthetics, hygiene and adverse soft tissue reactions. The study aimed to evaluate surgical, functional and audiological results of a new Baha(®) Attract system, in which the sound processor is attached by magnetic force. Twenty patients implanted with a Baha(®) Attract system were divided into two groups: A-bilateral mixed and conductive hearing loss, B-single-sided deafness, and evaluated during a 6-month follow-up...
October 2016: European Archives of Oto-rhino-laryngology
Matthew G Crowson, Debara L Tucci
An osseointegrated implant (e.g. bone-anchored hearing aid, BAHA) is a surgically implantable device for unilateral sensorineural and unilateral or bilateral conductive hearing loss in patients who otherwise cannot use or do not prefer a conventional air conduction hearing aid (ACHA). The specific indications for an osseointegrated implant are evolving and dependent upon the country or regulatory body overseeing the provision of these devices. However, there are general groups of patients who would be likely to benefit, one such group being patients with congenital aural atresia...
2016: Audiology & Neuro-otology
Richard T K Siau, Baljeet Dhillon, Derrick Siau, Kevin M J Green
This study aimed to report the bone-anchored hearing aid uptake rate and the reasons for their rejection by patients with conductive and mixed hearing losses. A retrospective review was performed of 113 consecutive patients with unilateral or bilateral conductive or mixed hearing loss referred to the Greater Manchester bone-anchored hearing aid (BAHA) programme between September 2008 and August 2011. 98 (86.7 %) patients were deemed audiologically suitable for BAHA implantation. Of these, 38 (38.8 %) had BAHA implanted; 60 (61...
October 2016: European Archives of Oto-rhino-laryngology
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