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ossiculoplastie

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https://www.readbyqxmd.com/read/28273957/morphological-variations-of-middle-ear-ossicles-and-its-clinical-implications
#1
Ritaban Saha, Phalguni Srimani, Ardhendu Mazumdar, Sibani Mazumdar
INTRODUCTION: The middle ear ossicles form a semi rigid chain in the middle of the ear for conduction and amplification of sound waves from the tympanic membrane to the inner ear. Although, our knowledge of the ear ossicles dates back to the 15(th) century, and various studies have been carried out on their morphometry, morphology, anomalies, embryology, function and structure throughout the world, information about the morphology of middle ear ossicles is meagre in Indian subjects. AIM: To find out the morphological variations of middle ear ossicles of right and left sides...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28219477/autologous-incus-versus-titanium-partial-ossicular-replacement-prosthesis-in-reconstruction-of-austin-type-a-ossicular-defects-a-prospective-randomised-clinical-trial
#2
Amith Naragund, R S Mudhol
OBJECTIVE: This study aimed to compare the functional and anatomical outcomes of ossiculoplasty using an autograft incus or a titanium partial ossicular replacement prosthesis for reconstructing Austin type A ossicular defects. METHODS: Patients with Austin A ossicular defects were randomly divided into two groups: one group underwent ossiculoplasty with an autologous incus (the autologous incus group) and the other underwent ossiculoplasty with a titanium partial ossicular replacement prosthesis (the titanium prosthesis group)...
February 21, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28125319/fatigue-analysis-of-tympanic-membrane-after-ossiculoplasty
#3
Lei Zhou, Miaolin Feng, Xinsheng Huang, Maoli Duan
CONCLUSION: A tentative conclusion was made that the finite element method can be used to investigate the fatigue life of the tympanic membrane after ossiculoplasty; the main reason of the extrusion of the tympanic membrane may not be blamed to the fatigue mechanism under normal sound pressure. OBJECTIVE: This study was to investigate the extrusion of the prosthesis from the tympanic membrane at post-ossiculoplasty by finite element method. METHODS: A finite element model of the human middle ear has been constructed and used as the model of the constructed middle ear at post-ossiculoplasty...
January 26, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28106625/long-term-hearing-results-after-ossiculoplasty
#4
Matthew D Cox, Aaron Trinidade, James Shep Russell, John L Dornhoffer
OBJECTIVES: To determine if the OOPS index is predictive of long-term hearing results after ossiculoplasty. STUDY DESIGN: Case series with retrospective chart review. SETTING: Tertiary care otology practice. PATIENTS: Adult and pediatric patients (3-88 years of age). INTERVENTIONS: Ossiculoplasty with cartilage tympanoplasty, with or without mastoidectomy. OUTCOME MEASURES: Primary outcome measures included short-term hearing results (pure-tone average air-bone gap [PTA-ABG] measured between 60 days and 1 year after surgery), long-term hearing results (PTA-ABG measured ≥5 years after surgery), and the rate of successful ABG closure to ≤20 dB...
April 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/27918787/an-ovine-model-for-exclusive-endoscopic-ear-surgery
#5
Lukas Anschuetz, Marco Bonali, Michael Ghirelli, Francesco Mattioli, Domenico Villari, Marco Caversaccio, Livio Presutti
Importance: With the international spread of exclusive transcanal endoscopic ear surgery, the need for a suitable and affordable surgical training model has grown during the past years. Objective: To develop and validate an ex vivo animal model for exclusive endoscopic ear surgery. Design, Setting, and Animal Models: In an experimental study, we compared ovine and human middle ear anatomy in 4 specimens and assessed the lamb as a model for endoscopic ear surgery...
March 1, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/27879225/efficacy-of-posterior-canal-wall-reconstruction-using-autologous-auricular-cartilage-and-bone-p%C3%A3-t%C3%A3-in-chronic-otitis-media-with-cholesteatoma
#6
Min Kwan Baek, Sung Ho Choi, Dong Young Kim, Chang Hyun Cho, Yong Woo Kim, Kwang Ha Moon, Ju Hyoung Lee
OBJECTIVE: This study was designed to investigate the long-term results using the technique of canal wall up mastoidectomy and reconstruction of the posterior canal wall using bone pâté and auricular cartilage in the treatment of chronic otitis media with cholesteatoma. MATERIALS AND METHODS: A retrospective review was performed on 42 patients who underwent canal wall up mastoidectomy and posterior canal wall reconstruction at a single institution between November 2005 and November 2012...
November 23, 2016: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/27876740/-the-application-of-the-biologically-compatible-cyanacrylate-based-glue-for-ossiculoplasty-in-the-patients-presenting-with-chronic-otitis-media
#7
F V Semenov, N F Skibitskaya
The objective of the study was to improve the functional outcomes of the treatment in the patients presenting with chronic otitis media by means of the combined application of platelet-enriched plasma and the biologically compatible cyanacrylate-based glue for the fixation of the reconstructed auditory ossicular chain. The functional results of the surgery were evaluated within 1, 3, and12 months after the intervention making use of tonal threshold audiometry. It was shown that the use of the platelet-enriched plasma with its subsequent fixation by the biologically compatible cyanacrylate-based glue enhances stability of the implanted prosthetic elements, reduces the risk of their displacement during the postoperative period due to the formation of the cicatrical tissue between the structural components of the middle ear...
2016: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/27837423/the-effects-of-surgery-type-and-different-ossiculoplasty-materials-on-the-hearing-results-in-cholesteatoma-surgery
#8
Sultan Şevik Eliçora, Duygu Erdem, Aykut Erdem Dinç, Murat Damar, Sultan Bişkin
To investigate the effects of surgery type [intact canal wall (ICW) or canal wall down (CWD) mastoidectomy] and different ossiculoplasty materials on hearing outcome in single-staged cholesteatoma surgery. A retrospective case-control study. A total of 116 cases (97 adults, 29 children) underwent surgery, including ossiculoplasty, between 2012 and 2015 for cholesteatoma. Patients who had undergone surgery for the first time, and whose grafts were successful, were included in the study. Patients with adhesive otitis media, unsuccessful grafts, revision and recurrent cases, radical mastoidectomy, and craniofacial anomalies were excluded...
February 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27809939/electrocoagulation-improving-bone-cement-use-in-middle-ear-surgery-short-term-and-middle-term-results
#9
C Galy-Bernadoy, M Akkari, M Mondain, A Uziel, F Venail
BACKGROUND: Bone cement is used for ossicular chain repair and revision stapes surgery. Its efficient use requires cautious removal of mucosa from the ossicles. This paper reports a technique for easy, fast and safe removal of this mucosa prior to cement application. It consists of the application of monopolar electrocoagulation on the ossicles prior to bone cement application. METHODS: The outcomes of six cases of revision stapes surgery and seven cases of partial ossiculoplasty, conducted between 2007 and 2012 using this new technique, were evaluated...
2016: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/27749749/a-new-intraoperative-real-time-monitoring-system-for-reconstructive-middle-ear-surgery-an-experimental-and-clinical-feasibility-study
#10
Thomas Zahnert, Marie-Luise Metasch, Hannes Seidler, Matthias Bornitz, Nicoloz Lasurashvili, Marcus Neudert
HYPOTHESIS: Electromagnetical excitation of ossicular vibration is suitable for middle ear transmission measurements in the experimental and clinical setting. Thereby, it can be used as a real-time monitoring system for quality control in ossiculoplasty. BACKGROUND: Positioning and coupling of middle ear prosthesis are a precondition for good postoperative hearing results, but at the same time completely dependent upon the surgeon's subjective judgment during surgery...
December 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27716599/lateral-attic-wall-reconstruction-with-glass-ionomer-bone-cement-in-the-management-of-primary-acquired-attic-cholesteatoma-in-children-a-preliminary-experience
#11
Ahmed Omran, Fatthi Abdel Baki, Ahmed Amin
OBJECTIVE: To assess the effectiveness of glass ionomer bone cement (GIBC) in lateral attic wall reconstruction after primary acquired attic cholesteatoma surgery. MATERIALS AND METHODS: This prospective study was conducted on twenty children collected from the ENT outpatient clinics of a secondary and tertiary hospital. All patients presented with chronic suppurative otitis media with cholesteatoma of the primary acquired attic type. All patients underwent intact canal wall mastoidectomy (ICWM) with a transcanal atticotomy to address primary cholesteatoma involving the attic and the supratubal recess...
August 2016: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/27663221/ossiculoplasty-in-chronic-otitis-media-surgical-results-and-prognostic-factors-of-surgical-success
#12
Ana Castro Sousa, Vânia Henriques, Jorge Rodrigues, Rui Fonseca
BACKGROUND AND OBJECTIVES: The goal of ossiculoplasty is to improve hearing. Successful ossiculoplasty depends on several factors. This retrospective study was carried out to analyze hearing results of ossiculoplasty in ears with chronic otitis media (COM) and evaluate clinical outcomes and factors predictive of hearing improvement. SUBJECTS AND METHODS: We reviewed the results of 153 patients with COM (with cholesteatoma (COMC) and without cholesteatoma (COMWC)) who underwent ossiculoplasty between January of 2002 to December of 2011...
September 20, 2016: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/27560038/benefits-of-active-middle-ear-implants-in-mixed-hearing-loss-stapes-versus-round-window
#13
Jeon Mi Lee, Jinsei Jung, In Seok Moon, Sung Huhn Kim, Jae Young Choi
OBJECTIVES/HYPOTHESIS: We compared the audiologic benefits of active middle ear implants with those of passive middle ear implants with hearing aids in mixed hearing loss, and also compared the outcomes of stapes vibroplasty with those of round window vibroplasty. STUDY DESIGN: Retrospective chart review. METHODS: Thirty-four patients with mixed hearing loss due to chronic otitis media were treated with a middle ear implant. Of these, 15 were treated with a passive middle ear implant (conventional ossiculoplasty with a partial ossicular replacement prosthesis), nine with an active middle ear implant coupling to the stapes, and 10 with an active middle ear implant coupling to the round window...
August 25, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27541000/long-term-results-of-the-cartilage-shoe-technique-to-anchor-a-titanium-total-ossicular-replacement-prosthesis-on-the-stapes-footplate-after-type-iii-tympanoplasty
#14
Antoniu-Oreste Gostian, Jean-Marc Kouamé, Martin Bremke, Magdalene Ortmann, Karl-Bernd Hüttenbrink, Dirk Beutner
Importance: Multiple techniques for a more secure and stable anchoring of the foot of a total ossicular replacement prosthesis (TORP) on the footplate have been proposed. To address this issue, a technique was developed that fits a cartilage shoe into the oval niche to guide the base of the prosthesis into a preformed central perforation. Objective: To evaluate the long-term results of the cartilage shoe technique used to anchor a titanium TORP on the stapes footplate in patients after type III tympanoplasty...
November 1, 2016: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/27525620/transcanal-endoscopic-ear-surgery-for-the-management-of-congenital-ossicular-fixation
#15
Vivian F Zhu, Yann-Fuu Kou, Kenneth H Lee, Joe Walter Kutz, Brandon Isaacson
OBJECTIVES: 1) To describe the technique for transcanal endoscopic management of congenital ossicular chain fixation. 2) To highlight the utility and outcomes of the endoscopic approach for management of congenital ossicular fixation. STUDY DESIGN: Retrospective patient series. SETTING: Academic tertiary pediatric hospital. PATIENTS: Pediatric patients (age 6-12) undergoing transcanal endoscopic management of congenital ossicular fixation from May 2014 to December 2014...
September 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27477570/optimal-use-of-ct-imaging-in-pediatric-congenital-cholesteatoma
#16
So Young Kim, Hyo-Sang Kim, Min Hyun Park, Jun Ho Lee, Seung Ha Oh, Sun O Chang, Chong Sun Kim, Ah Young Jung, Young Ho Kim
OBJECTIVE: This study aimed to determine the radiation dose of temporal bone computed tomography (TBCT) to detect pediatric congenital cholesteatoma (CC), and suggests strategy for lowering perioperative radiation dose. METHODS: Fifty-three CC patients followed up for more than 12 months after surgery. Perioperative clinical findings and the effective radiation dose (ERD) of TBCT were investigated. Patients' mean age at initial TBCT was 60 months; the mean follow-up period was 43 months...
July 28, 2016: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/27356555/long-term-results-of-the-titanium-clip-prosthesis
#17
Antoniu-Oreste Gostian, Jean-Marc Kouame, Martin Bremke, Magdalene Ortmann, Karl Bernd Hüttenbrink, Dirk Beutner
The objective of the study is to evaluate the long term results of ossiculoplasty using the clip titanium partial ossicular replacement prosthesis. This study retrospectively reviews the partial ossiculoplasty conducted using clip titanium partial ossicular replacement prosthesis at a tertiary referral center. Audiometric outcomes and intraoperative findings were postoperatively measured from revision surgery of 47 ears (20 women, 27 men, mean age 43 years) averaging 6.5 years. The overall air-bone gap decreased from 25...
December 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27301698/use-of-2-octyl-cyanoacrylate-in-cartilage-interposition-adherence-during-ossiculoplasty
#18
Kyle P McMullen, Michael S Harris, Edward E Dodson
No abstract text is available yet for this article.
June 15, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27280094/comparison-of-titanium-vs-polycel-total-ossicular-replacement-prosthesis
#19
Mohammad Faramarzi, Reza Jahangiri, Sareh Roosta
INTRODUCTION: Even though modern technology progresses so rapidly, annals of otology are replete with so many challenging article, which often compare various types of prosthesis. Since there has not been a prospective randomized clinical trial study which compares the hearing result of total ossicular replacement prosthesis made of Titanium with omega connector and Polycel in the literature, we decided to perform a study encompassing this issue. MATERIALS AND METHODS: 105 patients, who were in the 2nd stage of their operation and who needed total ossicular replacement prosthesis, were included in this prospective single blind randomized clinical trial study...
March 2016: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/27273400/the-association-of-valsalva-status-with-smoking-and-its-impact-on-ossiculoplasty-outcomes-and-complications
#20
James R Dornhoffer, Matthew D Cox, John L Dornhoffer
OBJECTIVES: To assess the association of a patient's ability to perform a clinically observed Valsalva maneuver with tobacco smoking and post-ossiculoplasty outcomes. STUDY DESIGN: Case series with chart review. SETTING: Tertiary referral, university-based otology practice. PATIENTS: Adult patients (16-88 years of age) undergoing ossiculoplasty with tympanoplasty or tympanomastoidectomy using cartilage tympanic membrane grafts, retrograde mastoidectomy with canal wall reconstruction, or mastoid obliteration techniques...
August 2016: Otology & Neurotology
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