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https://www.readbyqxmd.com/read/28791294/the-use-of-cone-beam-computed-tomography-in-assessing-the-insertion-of-bone-conduction-hearing-implants
#1
Tim George Ate Calon, Martin Lars Johansson, Elske Larissa van den Burg, Anna Maria Louisa Janssen, Marc van Hoof, Robert Jan Stokroos
OBJECTIVE: This study aimed to compare postoperative cone beam CT (CBCT) imaging to implant stability quotient (ISQ) measurement and direct caliper measurements as a suitable technique to assess bone conduction hearing implant (BCHI) seating and insertion depth. METHODS: In vitro, BCHIs were completely (n = 9) and partially inserted (n = 9) in bone blocks of different densities and subsequently scanned. Scans were processed using 3DSlicer 4.3.1 and Mathematica 10...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/28780465/investigating-the-race-for-the-surface-and-skin-integration-in-clinically-retrieved-abutments-with-two-photon-microscopy
#2
D Kapsokalyvas, M van Hoof, S Wigren, T Chimhanda, H J Kuijpers, F C S Ramaekers, R J Stokroos, M A M J van Zandvoort
Bone conduction hearing implants can rehabilitate some types of hearing loss. A hydroxyapatite (HA)-coated skin-penetrating abutment was developed to allow for soft tissue preservation and increased skin-abutment adherence. Inflammation is thought to relate to bacterial infection of pockets around the abutment. Upon integration, the host's ability to cover the abutment surface ("race for the surface"), and thus control and prevent competitive bacteria from colonizing it, is improved. However, the attachment mechanisms behind it are not clear...
July 27, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28719403/passive-transcutaneous-bone-conduction-hearing-implants-a-systematic-review
#3
Timothy Cooper, Brendan McDonald, Allan Ho
OBJECTIVE: To systematically review the literature on currently available passive transcutaneous bone conduction hearing implants (pTCBI) with regard to complications, audiological outcomes, and quality-of-life scores. DATA SOURCES: MEDLINE, EMBASE, Scopus, and Cochrane Library. STUDY SELECTION: All identified English-language articles reporting on the implantation of currently available pTCBI's and their complications. Both pediatric and adult patients were included...
July 17, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28655937/-evaluation-of-hazards-caused-by-magnetic-field-emitted-from-magnetotherapy-applicator-to-the-users-of-bone-conduction-hearing-prostheses
#4
Patryk Zradziński, Jolanta Karpowicz, Krzysztof Gryz, Wiesław Leszko
BACKGROUND: Low frequency magnetic field, inducing electrical field (E<sub>in</sub>) inside conductive structures may directly affect the human body, e.g., by electrostimulation in the nervous system. In addition, the spatial distribution and level of E<sub>in</sub> are disturbed in tissues neighbouring the medical implant. MATERIAL AND METHODS: Numerical models of magneto-therapeutic applicator (emitting sinusoidal magnetic field of frequency 100 Hz) and the user of hearing implant (based on bone conduction: Bonebridge type - IS-BB or BAHA (bone anchorde hearing aid) type - IS-BAHA) were worked out...
June 27, 2017: Medycyna Pracy
https://www.readbyqxmd.com/read/28481781/bone-anchored-hearing-implant-surgery-1-year-follow-up-data-shows-no-effect-of-hydroxyapatite-coating-on-soft-tissue-reaction-after-loading-at-1-week
#5
Morten Høgsbro, Andreas Agger, Lars Vendelbo Johansen
OBJECTIVE: To assess postoperative skin complications around a bone anchored hearing implant (BAHI) abutment coated with hydroxyapatite and loaded after 1 week. DESIGN: Single center, prospective cohort study of 25 adults with expected normal skin and bone quality. INTERVENTION: Implantation of the Baha BA400 hydroxyapatite coated implant system using a linear incision technique without soft tissue reduction. Abutments with lengths of 8 mm (n = 9), 10 mm (n = 11), and 12 mm (n = 5) were used...
July 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28444857/strategies-for-removing-a-worn-out-bone-anchored-hearing-aid-abutment-screw
#6
Y Schwarz, M Bianchi, A Bezdjian, S J Daniel
No abstract text is available yet for this article.
April 26, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28375939/audiological-results-in-ssd-with-an-active-transcutaneous-bone-conduction-implant-at-a-retrosigmoidal-position
#7
Rolf Salcher, Denise Zimmermann, Thomas Giere, Thomas Lenarz, Hannes Maier
OBJECTIVE: One option for patients with single sided deafness (SSD) who experience problems with insufficient hearing in different surroundings is the treatment with percutaneous bone-anchored hearing aids. Common medical problems associated to a skin penetrating abutment can be avoided by active transcutaneous bone conduction hearing implants. The purpose of our study was to evaluate the benefit of an active transcutaneous bone conduction hearing implant in patients with SSD. PATIENTS AND METHODS: Patients suffering from SSD who are implanted with an active transcutaneous bone conduction hearing implant in retrosigmoidal position were audiologically analyzed...
June 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28349533/subtotal-petrosectomy-surgical-technique-indications-outcomes-and-comprehensive-review-of-literature
#8
Sampath Chandra Prasad, Valeria Roustan, Gianluca Piras, Antonio Caruso, Lorenzo Lauda, Mario Sanna
OBJECTIVES/HYPOTHESIS: To describe the technique of subtotal petrosectomy (STP), to analyze the outcomes, and to review the literature STUDY DESIGN: A retrospective review. METHODS: Four hundred sixty cases of STP performed for various indications were included in the study, which was conducted at a quaternary referral center for otology and skull base surgery. Surgical and audiological parameters, and complications were evaluated. Our results were compared with the existing literature on the subject...
March 27, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28101972/an-evaluation-of-the-quality-of-evidence-available-to-inform-current-bone-conducting-hearing-device-national-policy
#9
R Mandavia, A W Carter, N Haram, E Mossialos, A G M Schilder
OBJECTIVES: In 2016, NHS England published the commissioning policy on Bone Conducting Hearing Devices (BCHDs). This policy was informed by updated evidence on the clinical and cost-effectiveness of BCHDs as well as by the 2013 Bone Anchored Hearing Aid (BAHA) policy. Commissioning policies set the criteria for service delivery and therefore have a major impact on the care received by patients. It is important that stakeholders have a good appreciation of the available evidence informing policy, as this will promote engagement both with the policy and with future research leading on from the policy...
January 18, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28095914/vascular-mapping-of-the-retroauricular-skin-proposal-for-a-posterior-superior-surgical-incision-for-transcutaneous-bone-conduction-hearing-implants
#10
Adam Perenyi, Zsofia Bere, Janos Jarabin, Balazs Sztano, Edit Kukla, Ziad Bikhazi, Laszlo Tiszlavicz, Ferenc Toth, Jozsef Geza Kiss, Laszlo Rovo
BACKGROUND: Passive transcutaneous osseointegrated hearing implant systems have become increasingly popular more recently. The area over the implant is vulnerable due to vibration and pressure from the externally worn sound processor. Good perfusion and neural integrity has the potential to reduce complications. The authors' objective was to determine the ideal surgical exposure to maintain perfusion and neural integrity and decrease surgical time as a result of reduced bleeding. METHODS: The vascular anatomy of the temporal-parietal soft tissue was examined in a total of 50 subjects...
January 17, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28092097/complications-and-parent-satisfaction-in-pediatric-osseointegrated-bone-conduction-hearing-implants
#11
Kenny H Chan, Dexiang Gao, Emily L Jensen, Gregory C Allen, Stephen P Cass
OBJECTIVE: To assess long-term complication rate and parental satisfaction of osseointegrated bone conduction hearing implants (OBCHIs). STUDY DESIGN: Retrospective chart review of children undergoing OBCHIs. METHODS: A retrospective chart review of children undergoing OBCHIs for the treatment of conductive, mixed, and single-sided sensorineural hearing loss in children. RESULTS: Forty-five subjects were identified with 0...
January 16, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28079678/sound-localization-in-patients-with-congenital-unilateral-conductive-hearing-loss-with-a-transcutaneous-bone-conduction-implant
#12
Erich Vyskocil, Rudolfs Liepins, Alexandra Kaider, Michaela Blineder, Sasan Hamzavi
OBJECTIVE: There is no consensus regarding the benefit of implantable hearing aids in congenital unilateral conductive hearing loss (UCHL). This study aimed to measure sound source localization performance in patients with congenital UCHL and contralateral normal hearing who received a new bone conduction implant. STUDY DESIGN: Evaluation of within-subject performance differences for sound source localization in a horizontal plane. SETTING: Tertiary referral center...
March 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28068302/first-report-linear-incision-for-placement-of-a-magnetically-coupled-bone-anchored-hearing-implant
#13
Jonnae Y Barry, Saranya Reghunathan, Abraham Jacob
OBJECTIVES: Discuss use of a linear incision for placement of a magnetically coupled bone anchored hearing implant. METHODS: Case series. RESULTS: Two patients underwent placement of magnetically coupled bone-anchored hearing implants (BAHI) through linear incisions. The first, a 40-year-old female with congenital single-sided deafness, previously had successful implantation of a percutaneous bone anchored hearing implant through a linear incision; unfortunately, she developed pain and intermittent drainage at her abutment site with time, resulting in a request for removal of her device...
February 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28068301/successful-loading-of-a-bone-anchored-hearing-implant-at-1-week-after-surgery
#14
Morten Høgsbro, Andreas Agger, Lars Vendelbo Johansen
OBJECTIVE: To assess implant stability and safety of loading a bone-anchored implant 1 week after surgery. The patients were loaded at 1 week for fast rehabilitation and ease of logistics. DESIGN: Single center, prospective cohort study of 25 adults with expected normal skin and bone quality. INTERVENTION: Implantation of the Baha BA400 implant system using a linear incision technique without skin thinning. Abutment lengths of 8, 10, and 12 mm were used...
February 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28004525/uk-tertiary-centre-experience-of-outcomes-from-osseointegrated-transcutaneous-magnetic-bone-conduction-hearing-system-implanted-in-twenty-five-patients-using-a-linear-incision-technique
#15
S Sharma, G Reddy-Kolanu, A H Marshall
No abstract text is available yet for this article.
December 22, 2016: Clinical Otolaryngology
https://www.readbyqxmd.com/read/27930877/short-term-results-from-seventy-six-patients-receiving-a-bone-anchored-hearing-implant-installed-with-a-novel-minimally-invasive-surgery-technique
#16
M L Johansson, R J Stokroos, R Banga, M K Hol, E A Mylanus, H Savage Jones, J R Tysome, P Vannucchi, J R Hof, J W Brunings, J van Tongeren, R W Lutgert, A Banerjee, J P Windfuhr, A Caruso, A L Giannuzzi, S Bordin, J Hanif, N Schart-Morén, S Singam, S Jonhede, M Holmberg, C W Cremers, M Hultcrantz
The surgical installation of bone anchored hearing systems (BAHS) has after decades finally undergone changes towards more minimally invasive techniques without soft tissue thinning. Some surgeons are also performing the surgery and installation, using the classical drilling system, through a single punch entry. This article is protected by copyright. All rights reserved.
December 8, 2016: Clinical Otolaryngology
https://www.readbyqxmd.com/read/27909888/off-the-ear-with-no-loss-in-speech-understanding-comparing-the-rondo-and-the-opus-2-cochlear-implant-audio-processors
#17
COMPARATIVE STUDY
Stefan Dazert, Jan Peter Thomas, Andreas Büchner, Joachim Müller, John Martin Hempel, Hubert Löwenheim, Robert Mlynski
The RONDO is a single-unit cochlear implant audio processor, which omits the need for a behind-the-ear (BTE) audio processor. The primary aim was to compare speech perception results in quiet and in noise with the RONDO and the OPUS 2, a BTE audio processor. Secondary aims were to determine subjects' self-assessed levels of sound quality and gather subjective feedback on RONDO use. All speech perception tests were performed with the RONDO and the OPUS 2 behind-the-ear audio processor at 3 test intervals. Subjects were required to use the RONDO between test intervals...
March 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27837214/-music-therapy-in-adults-with-cochlear-implants-effects-on-music-perception-and-subjective-sound-quality
#18
E Hutter, M Grapp, H Argstatter
BACKGROUND: People with severe hearing impairments and deafness can achieve good speech comprehension using a cochlear implant (CI), although music perception often remains impaired. A novel concept of music therapy for adults with CI was developed and evaluated in this study. METHODS: This study included 30 adults with a unilateral CI following postlingual deafness. The subjective sound quality of the CI was rated using the hearing implant sound quality index (HISQUI) and musical tests for pitch discrimination, melody recognition and timbre identification were applied...
December 2016: HNO
https://www.readbyqxmd.com/read/27829464/minimally-invasive-ponto-surgery-compared-to-the-linear-incision-technique-without-soft-tissue-reduction-for-bone-conduction-hearing-implants-study-protocol-for-a-randomized-controlled-trial
#19
Tim G A Calon, Marc van Hoof, Herbert van den Berge, Arthur J G de Bruijn, Joost van Tongeren, Janny R Hof, Jan Wouter Brunings, Sofia Jonhede, Lucien J C Anteunis, Miranda Janssen, Manuela A Joore, Marcus Holmberg, Martin L Johansson, Robert J Stokroos
BACKGROUND: Over the last years, less invasive surgical techniques with soft tissue preservation for bone conduction hearing implants (BCHI) have been introduced such as the linear incision technique combined with a punch. Results using this technique seem favorable in terms of rate of peri-abutment dermatitis (PAD), esthetics, and preservation of skin sensibility. Recently, a new standardized surgical technique for BCHI placement, the Minimally Invasive Ponto Surgery (MIPS) technique has been developed by Oticon Medical AB (Askim, Sweden)...
November 9, 2016: Trials
https://www.readbyqxmd.com/read/27779562/implantation-of-bone-anchored-hearing-devices-through-a-minimal-skin-punch-incision-versus-the-epidermal-flap-technique
#20
Thibaud Dumon, Inge Wegner, Neil Sperling, Wilko Grolman
OBJECTIVE: To compare the minimal skin punch incision without additional skin incision or soft tissue reduction with the epidermal flap technique and soft tissue reduction, for the implantation of percutaneous bone-anchored hearing devices. STUDY DESIGN: Prospective cohort study. SETTING: Tertiary care referral center. SUBJECTS AND METHODS: Two hundred seventeen patients underwent 220 implantations. Sixty five cases underwent implantation by means of a skin punch resection without soft tissue reduction (punch group) and 155 cases underwent epidermal flap and soft tissue reduction (dermatome group)...
January 2017: Otology & Neurotology
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