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Endoscopic middle ear

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https://www.readbyqxmd.com/read/27918787/an-ovine-model-for-exclusive-endoscopic-ear-surgery
#1
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...
December 1, 2016: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/27913068/occult-infratemporal-fossa-neurofibroma-presenting-with-persistent-unilateral-tinnitus-and-middle-ear-effusion-more-than-meets-the-eye
#2
Lucas P Carlstrom, Kathryn M Van Abel, Matthew L Carlson, Eric J Moore, Janalee K Stokken
Herein, we present the case of a previously healthy 54year-old female who developed several weeks of unilateral tinnitus and aural fullness. She subsequently underwent unilateral pressure equalization tube placement at an outside institution after exam demonstrated a middle ear effusion, conductive hearing loss and normal nasopharyngoscopy. Ultimately, an MRI revealed an occult mass in the infratemporal fossa (ITF), which was successfully removed via an endoscopic transnasal ITF approach. Following resection of a histopathologically confirmed benign neurofibroma, she reported complete resolution of her symptoms...
November 23, 2016: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/27819651/endoscopic-assisted-cochlear-implantation-a-case-series
#3
Kadir Serkan Orhan, Beldan Polat, Mehmet Çelik, Şenol Çomoğlu, Yahya Güldiken
The aim of the present study was to describe the use of the endoscopic-assisted cochlear implantation in cases with an unsuccessful standard surgical technique because of not achieving adequate exposure to the round window (RW). Three patients with a bilateral profound hearing loss were operated using an endoscopic-assisted cochlear implant procedure at our tertiary university referral center between 2012 and 2014. In all of the patients, a retroauricular "c" shaped incision was performed and a subperiosteal pocket was created...
November 7, 2016: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/27695944/endoscopic-and-clinical-benefits-of-hyaluronic-acid-in-children-with-chronic-adenoiditis-and-middle-ear-disease
#4
S Torretta, P Marchisio, V Rinaldi, D Carioli, E Nazzari, L Pignataro
Hyaluronic acid (HA) is involved in modulating inflammatory airway processes and mucociliary clearance. Some studies have tested the effectiveness of the topical administration of HA in patients with upper airway diseases with positive preliminary results. A prospective, single-blind, 1:1 randomised controlled study was performed to assess the efficacy and safety of the daily topical administration of 9 mg of sodium hyaluronate in 3 mL of a 0.9 % sodium saline solution on the basis of endoscopic and clinical parameters in children with chronic adenoiditis associated with recurrent acute otitis media and otitis media with effusion; age- and gender-matched children receiving normal 0...
October 1, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27689227/-endoscopic-ear-surgery-complement-to-microscopic-ear-surgery
#5
S Preyer
Wullstein, the founder of modern microscopic ear surgery, already used an oto-endoscope intraoperatively. However, it is only after the recent development of modern video-endoscopy with high definition, 4‑k, and 3‑dimensional imaging that endoscopically guided surgery of the middle ear is gaining some importance. Key ventilation routes like the isthmus tympani and the epitympanic diaphragma can be visualized far better by using an endoscope rather than a microscope. Going through the external meatus surgery of middle ear pathologies is possible without external incision...
September 29, 2016: HNO
https://www.readbyqxmd.com/read/27588594/the-endoscopic-anatomy-of-the-middle-ear-approach-to-the-fundus-of-the-internal-acoustic-canal
#6
Noritaka Komune, Satoshi Matsuo, Koichi Miki, Albert L Rhoton
OBJECTIVE The application of the endoscope in the lateral skull base increases the importance of the middle ear cavity as the corridor to the skull base. The aim of this study was to define the middle ear as a route to the fundus (lateral end) of the internal acoustic canal and to propose feasible landmarks to the fundus. METHODS This was a cadaveric study; 34 adult cadaveric temporal bones and 2 dry bones were dissected with the aid of the endoscope and microscope to show the anatomy of the transcanal approach to the middle ear and fundus of the internal acoustic canal...
September 2, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27565392/outcomes-in-endoscopic-ear-surgery
#7
REVIEW
Ruwan Kiringoda, Elliott D Kozin, Daniel J Lee
Endoscopic ear surgery (EES) provides several advantages compared with traditional binocular microscopy, including a wide-field view, improved resolution with high magnification, and visual access to hidden corridors of the middle ear. Although binocular microscopic-assisted surgical techniques remain the gold standard for most otologists, EES is slowly emerging as a viable alternative for performing otologic surgery at several centers in the United States and abroad. In this review, we evaluate the current body of literature regarding EES outcomes, summarize our EES outcomes at the Massachusetts Eye and Ear Infirmary, and compare these results with data for microscopic-assisted otologic surgery...
October 2016: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/27565391/endoscopic-management-of-attic-cholesteatoma-long-term-results
#8
REVIEW
Matteo Alicandri-Ciufelli, Daniele Marchioni, Seiji Kakehata, Livio Presutti, Domenico Villari
The main application of endoscopic surgery relies on the middle ear cholesteatoma surgical treatment, although for a definitive validation and acceptance by scientific community, long-term results are needed about recurrent and residual rates of the pathology. The aim of the present paper was to analyze the single institution experience with the long-term results of surgical treatment of attic cholesteatoma.
October 2016: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/27565390/endoscopic-techniques-in-tympanoplasty
#9
REVIEW
Jesus Franco Anzola, João Flávio Nogueira
The endoscope has transformed the way we observe, understand, and treat chronic ear disease. Improved view, exclusive transcanal techniques, assessment of ventilation routes and mastoid tissue preservation have led to decreased morbidity and functional enhancement of minimally invasive reconstruction of the middle ear. The philosophical identity of endoscopic ear surgery is evolving; new research, long-term results, and widespread acknowledgement of its postulates will undoubtedly define its role in otology...
October 2016: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/27540993/endoscopic-techniques-in-tympanoplasty-and-stapes-surgery
#10
Jacob B Hunter, Brendan P O'Connell, Alejandro Rivas
PURPOSE OF REVIEW: Total endoscopic ear surgery is becoming more popular given the improved visualization of the middle ear and its related pathology as compared to the microscope. Whereas the endoscope has been used for close to two decades in cholesteatoma surgery with several significant studies, few studies have outlined the surgical outcomes, and also the complications, in patients undergoing endoscopic tympanoplasties and stapes surgeries. This review highlights those few studies...
October 2016: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/27468636/endoscopic-management-of-middle-ear-and-temporal-bone-lesions
#11
REVIEW
Brandon Isaacson, João Flávio Nogueira
Tantamount to the management of temporal bone neoplasms is the ability to visualize the pathology and its relationship with the numerous critical structures housed therein. Transcanal endoscopic ear surgery provides the surgeon with an unparalleled view of the entire middle ear. This article presents the latest information on the usefulness of transcanal endoscopic ear surgery in the management of middle ear and temporal bone neoplasms.
October 2016: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/27455393/the-surgical-challenge-of-carotid-artery-and-fallopian-canal-dehiscence-in-chronic-ear-disease-a-pitfall-for-endoscopic-approach
#12
H F Pauna, R C Monsanto, P A Schachern, S S Costa, G Kwon, M M Paparella, S Cureoglu
OBJECTIVE: Endoscopic procedures are becoming common in middle ear surgery. Inflammation due to chronic ear disease can cause bony erosion of the carotid artery and Fallopian canals, making them more vulnerable during surgery. The objective of this study was to determine whether or not chronic ear disease increases dehiscence of the carotid artery and Fallopian canals. DESIGN: Comparative human temporal bone study. SETTING: Otopathology laboratory...
July 25, 2016: Clinical Otolaryngology
https://www.readbyqxmd.com/read/27340999/fibrous-dysplasia-of-the-temporal-bone-with-external-auditory-canal-stenosis-and-secondary-cholesteatoma
#13
Yu-Hsi Liu, Kuo-Ping Chang
Fibrous dysplasia is a slowly progressive benign fibro-osseous disease, rarely occurring in temporal bones. In these cases, most bony lesions developed from the bony part of the external auditory canals, causing otalgia, hearing impairment, otorrhea, and ear hygiene blockade and probably leading to secondary cholesteatoma. We presented the medical history of a 24-year-old woman with temporal monostotic fibrous dysplasia with secondary cholesteatoma. The initial presentation was unilateral conductive hearing loss...
April 2016: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/27340643/novel-concept-of-attaching-endoscope-holder-to-microscope-for-two-handed-endoscopic-tympanoplasty
#14
Mubarak M Khan, Sapna R Parab
UNLABELLED: The well established techniques in tympanoplasty are routinely performed with operating microscopes for many decades now. Endoscopic ear surgeries provide minimally invasive approach to the middle ear and evolving new science in the field of otology. The disadvantage of endoscopic ear surgeries is that it is one-handed surgical technique as the non-dominant left hand of the surgeon is utilized for holding and manipulating the endoscope. This necessitated the need for development of the endoscope holder which would allow both hands of surgeon to be free for surgical manipulation and also allow alternate use of microscope during tympanoplasty...
June 2016: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/27340629/endoscopic-ear-surgery-critical-review-of-anatomy-and-physiology-of-normal-and-reconstructive-middle-ear
#15
Vithal D Udagatti, Rajendran Dinesh Kumar
Middle ear anatomy is complex hence it is difficult to study the microscopic vibration of tympanic membrane and ossicles. The basic research has been done in few centres. Our experience is based on clinical data. The lack of quantitative understanding of structural and functional relationship in the mechanical response of the normal and reconstructed middle ear is major factor in poor hearing results after surgery (Merchant et al. in J Laryngol Otol 112:715-731, 1998). The vibration pattern of tympanic membrane changes with different frequencies...
June 2016: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/27269253/bilateral-same-day-endoscopic-transcanal-cartilage-tympanoplasty-initial-results
#16
Ahmad Daneshi, Hesam Jahandide, Ali Daneshvar, Mahdi Safdarian
INTRODUCTION: Same-day closure of bilateral tympanic membrane perforations is a quick and more comfortable procedure for the patients. However, conventional bilateral same-day tympanoplasty or myringoplasty has been rarely performed because of the theoretical risk of postoperative complications. OBJECTIVE: To evaluate the advantages and outcomes of bilateral simultaneous endoscopic cartilage tympanoplasty in patients with bilateral tympanic membrane perforations...
May 24, 2016: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/27240515/use-of-the-flexible-fiber-co2-laser-in-pediatric-transcanal-endoscopic-middle-ear-surgery
#17
Lukas D Landegger, Michael S Cohen
We describe 4 pediatric patients (age 6-11 years) who underwent transcanal endoscopic ear surgery (TEES) with the assistance of a flexible fiber CO2 laser over a period of 6 months. Three of these individuals suffered from densely adherent cholesteatoma, where the laser permitted one-handed dissection while preserving endoscopic visualization by limiting bleeding. In the fourth patient, TEES ossiculoplasty was performed for a congenital stapes bar, with subsequent hearing improvement. Advantages and disadvantages of the flexible fiber CO2 laser in the setting of TEES are discussed...
June 2016: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/27228017/surgical-anatomy-of-the-human-round-window-region-implication-for-cochlear-endoscopy-through-the-external-auditory-canal
#18
Takeshi Fujita, Jung Eun Shin, MaryBeth Cunnane, Kyoko Fujita, Simon Henein, Demetri Psaltis, Konstantina M Stankovic
OBJECTIVE: To enable development of an endoscope for cellular-level optical imaging of the inner ear. STUDY DESIGN: A prospective study of 50 cadaveric human temporal bones to define detailed surgical anatomy of the round window (RW) region and the range of angles necessary to reach the RW membrane perpendicularly via the external ear canal. MAIN OUTCOME MEASURE: The transcanal angle to the RW membrane was surgically measured in 3D intact specimens, and correlated with the angle calculated from temporal bone computed tomography (CT) scans of the same specimens obtained before and after measurements in situ...
September 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27221725/-benefits-of-otoscopy-in-forensic-autopsy-practice-a%C3%A2-prospective-study
#19
Štěpánka Kučerová, Petr Hejna, Martin Dobiáš
The otoscopy is an examination of the external auditory canal, the eardrum, and the middle ear with an instrument called an otoscope. It is a simple, inexpensive, and time-saving endoscopic method typically used by general practitioners and otorhinolaryngologists. Authors present a prospective study of otoscopic findings investigated consecutively at autopsy. Of the 250 examined persons, 50 positive findings were identified: 38 cases with petechial hemorrhages and 12 cases with tympanic membrane perforation or hemotympanon...
2016: Soudní Lékarství
https://www.readbyqxmd.com/read/27221026/effect-of-the-combination-of-balloon-eustachian-tuboplasty-and-tympanic-paracentesis-on-intractable-chronic-otitis-media-with-effusion
#20
Maojin Liang, Hao Xiong, Yuexin Cai, Yuebo Chen, Zhigang Zhang, Suijun Chen, Yaodong Xu, Yongkang Ou, Haidi Yang, Yiqing Zheng
OBJECTIVE: To evaluate the effect of the combination of balloon Eustachian tuboplasty (BET) and tympanic paracentesis (TP) on intractable chronic otitis media with effusion (COME). METHODS: Ninety patients with intractable COME were included and randomly assigned to three groups: BET only (30 patients), BET+paracentesis (30 patients), and paracentesis only (30 patients). Otic endoscopic findings and tympanograms were recorded before the surgery and at the month 1, month 3, and month 6 follow-up evaluations...
September 2016: American Journal of Otolaryngology
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