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cochlear implants and infections

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https://www.readbyqxmd.com/read/27909890/does-severity-of-cerebral-mri-lesions-in-congenital-cmv-infection-correlates-with-the-outcome-of-cochlear-implantation
#1
Stefan Lyutenski, Friedrich Götz, Alexandros Giourgas, Omid Majdani, Eva Bültmann, Heinrich Lanfermann, Thomas Lenarz, Anja M Giesemann
The objective is to investigate whether there is a correlation between the severity of typical brain lesions in congenital cytomegalovirus (cCMV) infection and cochlear implant (CI) outcome. The design of the study is a retrospective single-institutional chart review (2005-2015), performed in a tertiary academic referral center. 23 children with typical signs of cCMV infection on cerebral magnetic resonance imaging (MRI) and bilateral severe-to-profound sensorineural hearing loss were retrospectively evaluated...
December 1, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27863635/cochlear-implantation-of-solid-organ-transplant-patients-receiving-immunosuppressive-therapy
#2
Bushra Ayub, Nancy M Young
OBJECTIVE: To evaluate the incidence of infectious complications and healing problems in cochlear implant (CI) patients receiving immunosuppressive therapy following solid organ transplant. STUDY DESIGN: IRB-approved retrospective chart review of implanted patients. SETTING: Tertiary care children's hospital. METHODS: Seven patients of the more than 1000 implanted during the time period between 1991 and 2014 underwent cochlear implantation while on immunosuppressive therapy after having received a solid organ transplant...
December 2016: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/27723885/cost-effectiveness-of-universal-and-targeted-newborn-screening-for-congenital-cytomegalovirus-infection
#3
Soren Gantt, Francois Dionne, Fred K Kozak, Oran Goshen, David M Goldfarb, Albert H Park, Suresh B Boppana, Karen Fowler
Importance: Congenital cytomegalovirus (cCMV) infection is a major cause of childhood deafness. Most cCMV infections are not diagnosed without newborn screening, resulting in missed opportunities for directed care. Objective: To estimate the cost-effectiveness of universal and targeted newborn cCMV screening programs compared with no cCMV screening. Design, Setting, and Participants: Models were constructed using rates and outcomes from prospective cohort studies of newborn cCMV screening in US postpartum care and early hearing programs...
December 1, 2016: JAMA Pediatrics
https://www.readbyqxmd.com/read/27609547/a-case-report-of-a-cochlear-implant-infection-a-reason-to-explant-the-device
#4
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
https://www.readbyqxmd.com/read/27576375/can-hiv-infected-patients-undergo-cochlear-implantation
#5
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
https://www.readbyqxmd.com/read/27443344/a-systematic-review-of-perioperative-versus-prophylactic-antibiotics-for-cochlear-implantation
#6
Samantha Anne, Stacey L Ishman, Seth Schwartz
BACKGROUND: Previous Cochrane review of prophylactic antibiotic use in clean and clean-contaminated ear surgery showed no benefit; however, these studies did not address cochlear implant (CI) surgery specifically. OBJECTIVE: Systematically review effects of perioperative antibiotics on risk of infections and related complications in CI surgery SEARCH METHODS: PubMed, EMBASE, Medline, CINAHL, and Cochrane library were searched from inception to March 2015. Manual searches of bibliographies were also completed...
November 2016: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/27429952/use-of-intrathecal-fluorescein-in-recurrent-meningitis-after-cochlear-implantation
#7
Swati Tandon, Satinder Singh, Shalabh Sharma, Asish K Lahiri
INTRODUCTION: Congenital anomalies of the cochlea and labyrinth can be associated with meningitis and varying degrees of hearing loss or deafness. Despite antibiotics, meningitis remains a life threatening complication. CASE REPORT: We report a case of recurrent meningitis following episodes of otitis media in a cochlear implantee child with bilateral vestibulocochlear malformation, due to fistula in the stapes footplate. Intrathecal fluorescin was used to identify the leak site...
May 2016: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/27413753/comparisons-of-auditory-performance-and-speech-intelligibility-after-cochlear-implant-reimplantation-in-mandarin-speaking-users
#8
Chung-Feng Hwang, Hui-Chen Ko, Yung-Ting Tsou, Kai-Chieh Chan, Hsuan-Yeh Fang, Che-Ming Wu
Objectives. We evaluated the causes, hearing, and speech performance before and after cochlear implant reimplantation in Mandarin-speaking users. Methods. In total, 589 patients who underwent cochlear implantation in our medical center between 1999 and 2014 were reviewed retrospectively. Data related to demographics, etiologies, implant-related information, complications, and hearing and speech performance were collected. Results. In total, 22 (3.74%) cases were found to have major complications. Infection (n = 12) and hard failure of the device (n = 8) were the most common major complications...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27411677/low-surgical-complication-rates-in-cochlear-implantation-for-young-children-less-than-1-year-of-age
#9
Adedoyin Kalejaiye, Ghedak Ansari, Gezzer Ortega, Mauricia Davidson, Hung Jeffrey Kim
OBJECTIVE: To identify risk factors for perioperative morbidity among a large national cohort of pediatric patients undergoing cochlear implantation. STUDY DESIGN: Retrospective study utilizing the American College of Surgeons National Surgical Quality Improvement Program Pediatric database (2012-2013). METHODS: Pediatric cochlear implantation cases were identified using current procedural terminology 69930. Patients were categorized by age, and operative characteristics along with 30-day perioperative outcomes were analyzed...
July 14, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27340995/alternative-techniques-in-cochlear-implantation
#10
COMPARATIVE STUDY
Özgür Sürmelioğlu, Süleyman Özdemir, Özgür Tarkan, Ülkü Tuncer, Fikret Çetik, Karahan Kara, Mete Kıroğlu
OBJECTIVE: To review the alternative techniques in cochlear implantation and to compare the complications with different techniques. MATERIALS AND METHODS: Patients who had undergone cochlear implantation were reviewed. Those patients who were operated using alternative techniques were selected and evaluated for the cause of their hearing loss and for the type of alternative technique that was utilized. Complication types and rates in these patients were evaluated...
April 2016: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/27340580/case-report-of-atlantoaxial-rotatory-fixation-after-cochlear-implantation
#11
Takahiro Nakashima, Keiji Matsuda, Takumi Okuda, Tetsuya Tono, Minoru Takaki, Tamon Hayashi, Yutaka Hanamure
Atlantoaxial rotatory fixation (AARF) is a relatively rare condition and is mainly seen in children. We report of a 7-year-old girl suffering from AARF after cochlear implantation (CI). Fortunately, early diagnosis based on three-dimensional computed tomography (3DCT) was made, and the patient was cured with conservative therapy. Nontraumatic AARF, which is also known as Grisel's syndrome and occurs subsequent to neck infections or ear, nose, and throat (ENT) surgery, represents only a small fraction of AARF cases...
2016: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/27304443/detection-of-cmv-dna-in-the-perilymph-of-a-6-year-old-boy-with-congenital-cytomegalovirus-infection
#12
Ina Foulon, Oriane Soetens, Leen Vleurinck, Frans Gordts, Astrid Leus, Anne Naessens
We present the case of a 6-year-old boy who received a cochlear implant for profound sensorineural hearing loss after being born with cytomegalovirus (CMV) infection. Even after 6 years, CMV DNA was still found in the perilymph of the cochlea. Our case shows that CMV DNA can be present in the cochlea years after congenital CMV infection, and it can explain why progressive and/or late-onset hearing loss occurs in these children.
June 2016: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/27266370/contemporary-surgical-issues-in-paediatric-cochlear-implantation
#13
Joseph D Wasson, Robert J S Briggs
OBJECTIVE: To review the contemporary surgical issues in paediatric cochlear implantation (CI) based on published evidence. DESIGN: Narrative literature review. RESULTS: Surgical challenges in paediatric CI are discussed, with respect to post meningitic labyrinthitis ossificans; cochlear malformation; cochlear implantation in infants; auditory neuropathy and cochlear nerve deficiency; bilateral cochlear implantation; hearing preservation; otitis media; and device failure...
2016: International Journal of Audiology
https://www.readbyqxmd.com/read/27245752/skin-flap-complications-after-cochlear-implantations
#14
Wojciech Gawęcki, Michał Karlik, Łukasz Borucki, Joanna Szyfter-Harris, Maciej Wróbel
The objective of the study was to analyse and present the surgical management strategy for major skin flap complications (MSFC) after cochlear implantations. Patients fitted with a titanium-silicone-coated implant of the same kind, operated on between 1994 and 2013 with a standardised procedure (1076 medical charts) were analysed. Analysis aimed to identify and study individuals with skin problems related to the cochlear implant treatment, i.e. requiring surgical treatment in hospital defined as MSFC and focused on incidence, risk factors and treatment of MSFC...
December 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27153326/delayed-extradural-csf-collection-following-pediatric-cochlear-implantation-report-of-two-cases
#15
Joshua D Horton, David R Friedmann, J Thomas Roland
INTRODUCTION: Although rare, complications in cochlear implantation may result from surgical or technical mishaps, reaction to the foreign body, infection, or mechanical device failure. Delayed cerebrospinal fluid (CSF) leak is a rarely reported condition that may present with asymptomatic swelling over the receiver-stimulator (RS). In our practice, meticulous drilling of a bony well is important in preventing device migration and maintaining a low device profile but there is the potential for immediate or delayed complication from this technique...
July 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27109196/cochlear-implant-and-inflammation-reaction-safety-study-of-a-new-steroid-eluting-electrode
#16
L Astolfi, E Simoni, N Giarbini, P Giordano, M Pannella, S Hatzopoulos, A Martini
Dexamethasone is a common anti-inflammatory agent added to cochlear implants to reduce hearing loss due to electrode insertion trauma. We evaluated the safety of eluting silicone rods containing 10% dexamethasone in a Guinea pig model. Animals were implanted with a dexamethasone eluting silicone electrode (DER) or with a non-eluting electrode (NER). The control group only underwent a cochleostomy (CS). Prior to implantation and during the two weeks following implantation, the hearing status of the animals was assessed by means of Compound Action Potentials (CAPs) with an electrode placed near the round window...
June 2016: Hearing Research
https://www.readbyqxmd.com/read/27106776/endoscopic-approach-for-cochlear-implantation-in-advanced-otosclerosis-a-case-report
#17
Daniele Marchioni, Davide Soloperto, Luca Bianconi, Maria C Guarnaccia, Elisabetta Genovese, Livio Presutti
HYPOTHESIS: Ossification of the cochlea was once considered to be a contraindication for cochlear implantation. Advances in cochlear implant technology and coding strategies have led to developments in different surgical procedures to manage cochlear ossification. The endoscopic technique allows a direct approach to the round window and the cochlea, especially in remodeled labyrinth, allowing a better vision of scala tympani. BACKGROUND: Tertiary referral ENT center...
April 19, 2016: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/27093021/comparison-of-audiological-results-between-a-transcutaneous-and-a-percutaneous-bone-conduction-instrument-in-conductive-hearing-loss
#18
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
https://www.readbyqxmd.com/read/26980911/use-of-pericranial-flap-coverage-in-cochlear-implantation-of-the-radical-cavity-rationale-technique-and-experience
#19
Carrie L Nieman, Heather M Weinreich, Jeffrey D Sharon, Wade W Chien, Howard W Francis
Cochlear implant (CI) surgery in the setting of an open mastoid cavity is evolving. Two strategies are commonly pursued: a staged approach, clearing the disease, closing the meatus or the external auditory canal (EAC), and reevaluating in 3 to 6 months prior to implantation, or a single-stage procedure with mastoid obliteration without EAC closure. Meatal closure is often employed in the setting of an open mastoid cavity to reduce the risk of electrode extrusion and infection. An open cavity offers the advantages of being a single-stage procedure, permitting direct surveillance for recurrent cholesteatoma, and reducing the need for repeat computed tomography scans...
September 2016: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/26946758/complications-in-cochlear-implantation-at-the-clinical-center-of-vojvodina
#20
Dragan Dankuc, Ljiljana Vlaški, Nemanja Pejaković, Vladimir Mrdjanov
INTRODUCTION: The first modern cochlear implantation in Serbia was performed on November 26, 2002 at the Center for Cochlear Implantation of the Clinic for Ear, Nose and Throat Diseases, Clinical Center of Vojvodina. OBJECTIVE: The aim of the paper is the analysis of intraoperative and postoperative complications. Major complications include those resulting in the necessity for revision surgery, explantation, reimplantation, severe disease or even lethal outcomes...
November 2015: Srpski Arhiv za Celokupno Lekarstvo
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