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Cochlear Implants International

Paul van de Heyning, Santiago L Arauz, Marcus Atlas, Wolf-Dieter Baumgartner, Marco Caversaccio, Ronel Chester-Browne, Patricia Estienne, Javier Gavilan, Benoit Godey, Wolfgang Gstöttner, Demin Han, Rudolph Hagen, Martin Kompis, Vlad Kuzovkov, Luis Lassaletta, Franc Lefevre, Yongxin Li, Joachim Müller, Lorne Parnes, Andrea Kleine Punte, Christopher Raine, Gunesh Rajan, Adriana Rivas, José Antonio Rivas, Nicola Royle, Georg Sprinzl, Kurt Stephan, Adam Walkowiak, Yuri Yanov, Kim Zimmermann, Patrick Zorowka, Henryk Skarzynski
One of the many parameters that can affect cochlear implant (CI) users' performance is the site of presentation of electrical stimulation, from the CI, to the auditory nerve. Evoked compound action potential (ECAP) measurements are commonly used to verify nerve function by stimulating one electrode contact in the cochlea and recording the resulting action potentials on the other contacts of the electrode array. The present study aimed to determine if the ECAP amplitude differs between the apical, middle, and basal region of the cochlea, if double peak potentials were more likely in the apex than the basal region of the cochlea, and if there were differences in the ECAP threshold and recovery function across the cochlea...
November 30, 2016: Cochlear Implants International
Erin C Schafer, Jedidiah J Grisel, Andrew de Jong, Kimberly Ravelo, Anne Lam, Meredith Burke, Terry Griffin, Margaret Winter, Debra Schrader
OBJECTIVES: To summarize the development process of a national database that was designed to facilitate communication and collaboration, improve care, and create a framework for aggregate data sharing in cochlear implant (CI) research. METHODS: A group of nationally represented, multidisciplinary CI providers cooperated to define a standard set of data elements to incorporate into a database built by them in association with a group of computer scientists and software designers...
November 24, 2016: Cochlear Implants International
Sandeep G Mistry, Simon D Carr, Lynne Tapper, Benjamin Meredith, David R Strachan, Christopher H Raine
OBJECTIVES: The diagnosis of non-organic hearing loss (NOHL) is a difficult but important issue during the assessment process for cochlear implantation (CI). We aim to identify the key factors in identifying patients with NOHL during CI assessment and present our local screening protocol for NOHL. METHODS: A retrospective review of patients referred to the Yorkshire Auditory Implant Service (YAIS) between 2003 and 2015 who were subsequently diagnosed with NOHL during the assessment...
November 3, 2016: Cochlear Implants International
Victor Helmstaedter, Eva Bueltmann, Thomas Lenarz, Magnus Teschner
INTRODUCTION: With the aim of preventing migration of cochlear implantation electrodes in the postoperative course, an electrode fixation clip has been developed. It is characterized by two clips of double U-geometry. The bone fixation clip will be clamped on the bony incus bridge, and the electrode fixation clip is clamped to the electrode lead. Although made of titanium, the detectability in radiologic imaging appears limited. MATERIALS AND METHODS: Six patients, who received a cochlear implant between August 2014 and March 2015, were retrospectively analyzed for the detectability of the Med-El Electrode Fixation Clip in postoperative cone beam CT scans...
November 3, 2016: Cochlear Implants International
Margaret T Dillon, Emily Buss, English R King, Ellen J Deres, Sarah N Obarowski, Meredith L Anderson, Marcia C Adunka
OBJECTIVE: Assess whether differences in speech perception are observed after exclusive listening experience with high-definition continuous interleaved sampling (HDCIS) versus fine structure processing (FSP) coding strategies. METHODS: Subjects were randomly assigned at initial activation of the external speech processor to receive the HDCIS or FSP coding strategy. Frequency filter assignments were consistent across subjects. The speech perception test battery included CNC words in quiet, HINT sentences in quiet and steady noise (+10 dB SNR), AzBio sentences in quiet and a 10-talker babble (+10 dB SNR), and BKB-SIN...
October 18, 2016: Cochlear Implants International
John Graham
No abstract text is available yet for this article.
September 2016: Cochlear Implants International
J Thomas Roland, Craig Buchman, Laurie Eisenberg, Lillian Henderson, Shuman He, Jill Firszt, Howard Francis, Camille Dunn, Doug Sladen, Susan Arndt, Bradford May, Daniel Zeitler, John K Niparko, Susan Emmett, Debara Tucci, Joseph Chen, Amy McConkey Robbins, Ernest Schwefler, Ann Geers, Amy Lederberg, Heather Hayes, Michelle Hughes, Julie Bierer, Erin Schafer, Donna Sorkin, Linda Kozma-Spytek, Tina Childress
No abstract text is available yet for this article.
September 2016: Cochlear Implants International
Jiri Skrivan, Pavel Drevinek
CLINICAL PRESENTATION: Case history of a paediatric patient with a cochlear implant and a surgical site infection that developed as a result of acute otitis media is presented. INTERVENTION: After conservative management including wound debridement it was decided to explant a functioning device. OBJECTIVE AND IMPORTANCE: In a number of cases, it is necessary to remove the infected albeit functioning device, especially in the event of formation of the biofilm has occurred...
September 2016: Cochlear Implants International
Avani Jain, Ramanuj Bansal
OBJECTIVE: HIV-infected patients have an increased risk of developing sensorineural hearing loss. Cochlear implantation can be a mean of rehabilitating such patients. METHODS: A 36-year-old HIV-infected male with bilateral profound sensorineural hearing loss underwent cochlear implantation after exclusion of medical and radiological contraindications. The patient was followed up for 2 years to assess the audiological outcome. RESULTS: After a follow up of 2 years, the patient has attained good functional results not experienced any complications...
September 2016: Cochlear Implants International
Olenka Alcas, Miguel A Salazar
OBJECTIVES: To describe the frequency and characteristics of complications of cochlear implant (CI) surgery at Edgardo Rebagliati Martins Hospital of social security in Lima-Peru between 2006 and 2015. METHODS: A retrospective descriptive study of patients that underwent CI surgery between August 2006 and December 2015. RESULTS: Among the 107 patients with CIs, the overall proportion of complications was 18.7% (20/107): 14.9% (16/107) of minor complications, and 3...
September 2016: Cochlear Implants International
Ellen Jeffs, Karen Redfern, Carina Stanfield, Helen Starczewski, Susan Stone, Tracey Twomey, Heather Fortnum
OBJECTIVES: To explore the experiences of congenitally or early profoundly deafened candidates who receive cochlear implants as adults. METHODS: Eight congenitally or early profoundly deafened implantees who had received their implants as adults were interviewed using a semi-structured interview technique. Interviews were conducted in the participant's preferred communication mode (oral/aural, SSE, BSL). RESULTS: All participants reported benefit from implantation...
July 11, 2016: Cochlear Implants International
Hannah J D North, Deborah Mawman, Martin O'Driscoll, Simon R Freeman, Scott A Rutherford, Andrew T King, Charlotte Hammerbeck-Ward, D Gareth Evans, Simon K W Lloyd
In neurofibromatosis type 2 (NF2) bilateral vestibular schwannomas (VS) or their treatment usually results in bilateral hearing loss. Cochlear implantation (CI) was traditionally not used in these patients due to concern that retrocochlear disease would render the implant ineffective. This paper describes the auditory outcomes of CI in 13 patients with NF2 and includes patients with untreated VS and patients undergoing VS removal with cochlear nerve preservation. The non-user rate was 7.7%. Of the active users, median CUNY score was 98%, median BKB score in quiet was 90% and median BKB score in noise was 68%...
July 2016: Cochlear Implants International
Monica Rodriguez Valero, Mira Sadadcharam, Lise Henderson, Simon R Freeman, Simon Lloyd, Kevin M Green, Iain A Bruce
OBJECTIVE: To assess the compliance with cochlear implantation (CI) in children subsequently diagnosed with autism spectrum disorder (ASD). METHODS: This was a retrospective case review and survey performed at a tertiary referral centre. Children meeting the criteria for CI who were implanted between 1989 and 2015 and who subsequently received a diagnosis of ASD were included. The primary outcome measure was to assess compliance with CI in children subsequently diagnosed with ASD...
July 2016: Cochlear Implants International
Levent Sennaroğlu, Vittorio Colletti, Thomas Lenarz, Manuel Manrique, Roland Laszig, Helge Rask-Andersen, Nebil Göksu, Erwin Offeciers, Shakeel Saeed, Robert Behr, Yıldırım Bayazıt, Jan Casselman, Simon Freeman, Paul Kileny, Daniel J Lee, Robert V Shannon, Mohan Kameswaran, Abdulrahman Hagr, Andrzej Zarowski, Mark S Schwartz, Burçak Bilginer, Ameet Kishore, Gonca Sennaroğlu, Esra Yücel, Sarp Saraç, Ahmet Ataş, Lilian Colletti, Martin O'Driscoll, In Seok Moon, Lutz Gärtner, Alicia Huarte, Gunnar Nyberg, Burçe Özgen Mocan, Gamze Atay, Münir Demir Bajin, Betül Çicek Çınar, Merve Özbal Batuk, Mehmet Yaralı, Fatma Esen Aydınlı, Filiz Aslan, Meltem Cigdem Kirazlı, Hilal Burcu Özkan, J M Hans, Julie Kosaner, Marek Polak
No abstract text is available yet for this article.
July 2016: Cochlear Implants International
Neelam Vaid, Joyshankar J Jana, Ajay Kothadiya, Shweta Deshpande, Sanjay Vaid
OBJECTIVE: Cochlear implantation is routinely performed under general anaesthesia in most centres in the world. There have been reports of this surgery being performed under local anaesthesia and sedation for unilateral cochlear implantation. Our case study reports the first bilateral cochlear implantation carried out under local anaesthesia with sedation. This paper outlines the protocol used and discusses the challenges and advantages of the procedure being performed under local anaesthesia...
June 2, 2016: Cochlear Implants International
Dayse Távora-Vieira, Roberta Marino, Aanand Acharya, Gunesh P Rajan
OBJECTIVES: Cochlear implantation is becoming widely used outside the tertiary research centers for treatment of unilateral deafness (UD). No consensus exists, however, on the most suitable assessment/evaluation protocols for this group of adult patients. This paper aims to review the assessment and evaluation protocols used by various research groups and to propose a protocol for the use in the clinical setting. METHODS: The PubMed, Embase, and Cochrane Library databases were searched with the keywords 'cochlear', 'implant', 'single-sided', 'deafness', 'adults', 'unilateral', and 'deafness'...
May 3, 2016: Cochlear Implants International
Haroon Saeed, Harry R F Powell, Shakeel R Saeed
OBJECTIVE AND IMPORTANCE: In children with X-linked deafness, cochlear malformations challenge the implant surgeon to avoid electrode insertion into the internal auditory meatus and prevent a continuous cerebrospinal fluid (CSF) leak. We describe our experience of cochlear implantation (CI) in two children with profound hearing loss secondary to X-linked deafness, highlighting safer operative techniques to avoid potential complications. CLINICAL PRESENTATION: Descriptive cases of two children with X-linked deafness (patient 1 and patient 2) undergoing CI...
May 3, 2016: Cochlear Implants International
Sebastian Hoth, Maria Rösli-Khabas, Ioana Herisanu, Peter K Plinkert, Mark Praetorius
OBJECTIVE: To examine the auditory benefit of cochlear implants (CI) in patients with single-sided deafness (SSD). MATERIAL AND METHODS: Twenty patients with a normal pure tone audiogram (n = 8) or moderate hearing loss (n = 12) in one ear and a CI system MED-EL SONATA/CONCERTO + OPUS2 (n = 12), COCHLEAR CI24RE(ST) + CP810 (n = 7) and Advanced Bionics HiRes90 K + Harmony (n = 1) in the contralateral ear and with at least 6 months of CI experience were tested with respect to directional hearing, speech perception in noise, binaural loudness matching, and binaural pitch matching...
May 3, 2016: Cochlear Implants International
Tahir Emal
OBJECTIVE: This case report aims to emphasize the importance of preoperative computed tomography to evaluate the anatomy of the facial recess (FR) in order to prevent complications during cochlear implantation (CI) and to discuss alternative surgical approaches for the management of a narrow FR. Failure to notice this anomaly may result in facial nerve (FN) injury or inability to complete CI. CASE PRESENTATION: A 50-year-old female with bilateral sensorineural hearing loss presented for CI...
May 2016: Cochlear Implants International
Claire A Fielden, Pádraig T Kitterick
OBJECTIVES: The study surveyed practising cochlear implant (CI) audiologists with the aim of: (1) characterizing UK clinical practice around the management and fitting of a contralateral hearing aid (HA) in adult unilateral CI users ('bimodal aiding'); (2) identifying factors that may limit the provision of bimodal aiding; and (3) ascertaining the views of audiologists on bimodal aiding. METHODS: An online survey was distributed to audiologists working at the 20 centres providing implantation services to adults in the UK...
May 2016: Cochlear Implants International
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