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Ear reconstruction

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https://www.readbyqxmd.com/read/28728240/-the-implantation-of-bonebridge-in-bilateral-congenital-malformation-of-external-and-middle-ear
#1
S Q Zhao, R Ren, D M Han, Y Li, X B Ma, D N Wang, Y L Li
Objective: To evaluate the auditory efficacy of Bonebridge implantation in patients with bilateral congenital malformation of external and middle ear. Methods: Eleven cases (6 males and 5 females) had unilateral Bonebridge implantation. The age ranged from 8 to 26 and the average age was 16.9. Seven to ten days after operation, the first fitting was undergone. In acoustic sound field, the average auditory thresholds were respectively measured for unaided ears and Bonebridge implanted ears by pure tone auditory (PTA, 0...
July 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28726587/repair-of-tympanic-membrane-perforations-with-customized-bioprinted-ear-grafts-using-chinchilla-models
#2
Che-Ying Kuo, Emmanuel Wilson, Andrew Fuson, Nidhi Gandhi, Reza Monfaredi, Audrey Jenkins, Maria Romero, Marco Santoro, John P Fisher, Kevin Cleary, Brian Reilly
The goal of this work is to develop an innovative method that combines bioprinting and endoscopic imaging to repair tympanic membrane perforations (TMPs). TMPs are a serious health issue because they can lead to both conductive hearing loss and repeated otitis media. TMPs occur in 3 to 5% of cases after ear tube placement as well as in cases of acute otitis media (the second most common infection in pediatrics), chronic otitis media with or without cholesteatoma, or as a result of barotrauma to the ear. About 55,000 tympanoplasties, the surgery performed to reconstruct TMPs, are performed every year and the commonly used cartilage grafting technique has a success rate between 43% to 100%...
July 20, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28722532/bi-institutional-retrospective-study-on-the-demographics-and-basic-clinical-presentation-of-hidrocystomas
#3
Michelle Maeng, Paul Petrakos, Mei Zhou, Benjamin Levine, Gary Lelli, Pete Setabutr
Hidrocystomas are benign, cystic lesions of eccrine and apocrine sweat glands. The literature on hidrocystomas is sparse, consisting of a handful of case reports and limited retrospective reviews. This is the first known bi-institutional, retrospective, chart review aimed to elucidate the demographics and basic clinical presentation of hidrocystomas. Medical records of adult patients with a pathological diagnosis of hidrocystoma from September 1, 2008 to August 1, 2015 in the Oculoplastic and Reconstructive Surgery Service at the Illinois Eye and Ear Infirmary (UIC) and Department of Ophthalmology of Weill Cornell Medical College (Cornell) were reviewed...
July 19, 2017: Orbit
https://www.readbyqxmd.com/read/28692518/costal-cartilage-assessment-in-surgical-timing-of-microtia-reconstruction
#4
Zhongyang Sun, Xiaobo Yu, Weiwei Chen, Qinghua Yang, Yupeng Song, Jiayu Zhou, Haiyue Jiang
BACKGROUND: Rib cartilage growth is closely related to age and determines the feasibility and outcomes of auricular reconstruction. Ear reconstruction is performed as early as age 6 in efforts to treat children before school matriculation while allowing for sufficient rib growth. But there is controversy over the optimal timing of microtia reconstruction. This study employs CT imaging and surface scanning to guide the timing of auricular reconstruction in children. METHODS: A retrospective analysis was performed on 6-year-old microtia patients between January 2016 and June 2016...
July 7, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28691469/nasal-reconstruction-our-experience
#5
A Baj, A Russillo, E Segna, M Romano, A Bolzoni, F J Silvestre, A B Giannì, G A Beltramini
The nose is a critically important aesthetic and functional portion of the face. We can explore nasal defects following trauma or tumor resections. Reconstructive techniques based on primary closure, skin graft, local flap, regional flap and microvascular free tissue transfer provides an algorithmic framework applicable to any reconstructive problem. From 2010 to 2016, 33 patients were treated with nasal reconstruction. Malignant tumor resection was the main cause of nasal defect. The most common tumor resected was BCC (basal cell carcinoma) followed by SCC (squamous cell carcinoma)...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28690224/-autologous-tissue-reconstruction-of-tarsal-plate-combined-with-temporal-flap-in-repairing-full-thickness-lower-eyelid-defect
#6
Ming Li, Shaoqian Liu, Nian Chen, Feijiao Duan, Hongju Xie
To evaluate the clinical effect of combination of autologous tissue reconstruction of tarsal plate with temporal flap on repair of full-thickness lower eyelid defect. 
 Methods: Eleven patients (11 eyes) underwent hard palate mucosa or ear cartilage combined the emporal flap with the orbicularis oculi muscle to repair full-thickness defect of palpebra inferior. Of the 11 patients, 6 had more than 75% eyelid defect area, and 5 had more than 50% eyelid defect area. 
 Results: All 11 eyes closed completely, with no entropion or ectropion, and returned to normal basically...
June 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28688567/factors-influencing-hearing-outcomes-in-pediatric-patients-undergoing-ossicular-chain-reconstruction
#7
Nandini Govil, Thomas M Kaffenberger, Amber D Shaffer, David H Chi
OBJECTIVE: Ossicular chain disruption in children leads to conductive hearing loss. Few studies have focused on factors influencing successful results in pediatric ossicular chain reconstruction (OCR). We aim to determine whether demographic or surgical factors affect hearing outcomes in pediatric OCR. METHODS: We conducted a retrospective chart review of 120 patients undergoing OCR at our institution, a tertiary care hospital, between 2003 and 2014, with median length of follow-up of 2...
August 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28680734/hydroxyapatite-bone-cement-application-for-the-reconstruction-of-retrosigmoid-craniectomy-in-the-treatment-of-cranial-nerves-disorders
#8
Nouman Aldahak, Derrick Dupre, Mohamed Ragaee, Sebastien Froelich, Jack Wilberger, Khaled M Aziz
BACKGROUND: Retromastoid craniectomy (RSC) is a cardinal surgical approach used to access the posterior fossa. Hydroxyapetite bone cement (HBC) is frequently employed for cranioplasty in efforts to prevent cerebrospinal fluid (CSF) leak, whilst maintaining low complication rates and good cosmetic satisfaction. The authors aim to determine the safety and effectiveness of HBC for reconstruction RSC used for treatment of various cranial nerves disorders. METHODS: The authors conducted a retrospective one-center two surgeons review of 113 patients who underwent RSC filled with HBC for the treatment of cranial nerve disorders...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28671917/experimental-simulation-of-clinical-borderline-situations-in-temporal-bone-specimens-after-ossiculoplasty
#9
Till F Jakob, Jan Kromeier, Tobias Baumann, Jens Pfeiffer, Marcus Neudert, Roland Laszig, Thomas Zahnert, Christian Offergeld
OBJECTIVES: One reason for insufficient hearing improvement with a distinct air-bone gap after ossiculoplasty with implantation of partial or total ossicular replacement prostheses can be the dislocation or minimal shifting of the prosthesis. The aim of this study was the simulation of common clinical borderline situations with minimal shifting of the prosthesis in temporal bone specimens after ossiculoplasty. It was furthermore the goal to identify these specific situations through imaging by cone beam computed tomography (cbCT) and direct visual inspection using the operation microscope...
June 30, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28666703/a-comparative-study-of-med-el-fmt-attachment-to-the-long-process-of-the-incus-in-intact-middle-ears-and-its-attachment-to-disarticulated-stapes-head
#10
Tao Chen, Liu-Jie Ren, Dong-Ming Yin, Jia Li, Lin Yang, Pei-Dong Dai, Tian-Yu Zhang
The Vibrant Soundbridge(©) (VSB) active middle-ear implant provides an effective treatment for mild-to-severe sensorineural hearing loss in the case of normal middle ear anatomy and mixed hearing loss in middle ear malformation. The VSB floating mass transducer (FMT), with proper couplers, can be installed on various structures of the ossicular chain, e.g., the short and long process of the incus, the stapes head, and the stapes footplate. A long process (LP) coupler is most commonly used for FMT attachment to the long process of the incus with intact ossicular chain, while CliP and Bell couplers are two standardized and reliable methods for FMT attachment to the stapes head with missing incus and malleus...
June 23, 2017: Hearing Research
https://www.readbyqxmd.com/read/28666523/reconstruction-techniques-of-choice-for-the-facial-cosmetic-units
#11
F Russo, M Linares, M E Iglesias, J L Martínez-Amo, F Cabo, J Tercedor, R Costa-Vieira, T Toledo-Pastrana, J M Ródenas, V Leis
BACKGROUND AND OBJECTIVES: A broad range of skin flaps can be used to repair facial surgical defects after the excision of a tumor. The aim of our study was to develop a practical guideline covering the most useful skin grafts for each of the distinct facial cosmetic units. MATERIAL AND METHODS: This was a multicenter study in which 10 dermatologists with extensive experience in reconstructive surgery chose their preferred technique for each cosmetic unit. The choice of flaps was based on personal experience, taking into account factors such as suitability of the reconstruction technique for the specific defect, the final cosmetic result, surgical difficulty, and risk of complications...
June 27, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28665852/mozart-ear-deformity-a-rare-diagnosis-in-the-ear-reconstruction-clinic
#12
Jose E Telich-Tarriba, Andre Victor-Baldin, Armando Apellaniz-Campo
Mozart ear is a rare auricular deformity; clinically the auricle is characterized by the bulging appearance of the anterosuperior portion of the auricle due to fusion of the crura of the antihelix, an inversion in the normal form of the cavum conchae resulting in its convexity and a slit-like narrowing of the orifice of the external auditory meatus.A retrospective review of clinical and photographic records of patients attended at the ear reconstruction clinic of our hospital between June of 2010 and May 2016 was performed; out of 576 consecutive patients only 3 fulfilled the inclusion criteria, with a prevalence of 0...
July 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28664390/clinical-application-of-intense-pulsed-light-depilation-technology-in-total-auricular-reconstruction
#13
Ying Guo, Jing Shan, Tianyu Zhang
Although ear reconstruction technology has been highly developed in recent years, hair growth on the reconstructed ear has plagued both surgeons and patients. In this paper, the authors introduce a clinical application of intense pulsed light depilation in total auricular reconstruction. From August 2012 to August 2013, 27 patients (28 ears) suffering from congenital microtia were treated by intense pulsed light depilation (650-950-nm filter, initial fluence of 14-16 J/cm(2) and gradually increased, pulse width of 30-50 ms, spot size of 20 × 30 mm(2), intervals of 6-8 weeks, a total of four sessions) either before or after auricular reconstruction...
June 29, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28646272/rhesus-cochlear-and-vestibular-functions-are-preserved-after-inner-ear-injection-of-saline-volume-sufficient-for-gene-therapy-delivery
#14
Chenkai Dai, Mohamed Lehar, Daniel Q Sun, Lani Swarthout Rvt, John P Carey, Tim MacLachlan, Doug Brough, Hinrich Staecker, Alexandra M Della Santina, Timothy E Hullar, Charles C Della Santina
Sensorineural losses of hearing and vestibular sensation due to hair cell dysfunction are among the most common disabilities. Recent preclinical research demonstrates that treatment of the inner ear with a variety of compounds, including gene therapy agents, may elicit regeneration and/or repair of hair cells in animals exposed to ototoxic medications or other insults to the inner ear. Delivery of gene therapy may also offer a means for treatment of hereditary hearing loss. However, injection of a fluid volume sufficient to deliver an adequate dose of a pharmacologic agent could, in theory, cause inner ear trauma that compromises functional outcome...
June 23, 2017: Journal of the Association for Research in Otolaryngology: JARO
https://www.readbyqxmd.com/read/28640732/do-nurse-staffing-levels-affect-patient-mortality-in-acute-secondary-care
#15
Barry Hill
This systematic literature review explores and considers whether registered nurse staffing levels affect patient mortality in acute secondary care settings. A discussion makes particular reference to the philosophical foundations of contrasting research approaches used within the literature. At the time of writing, the author was a modern matron for surgery, managing the ear, nose and throat; head and neck; airway; and reconstructive plastic surgery services in a large acute teaching hospital in central London...
June 22, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28636731/correlation-among-external-auditory-canal-anomaly-temporal-bone-malformation-and-hearing-levels-in-patients-with-microtia
#16
Kun Chen, Liu Liu, Runjie Shi, Peihua Wang, Dong Chen, Hua Xiao
We conducted a retrospective study to evaluate the relationship between external auditory canal (EAC) anomaly, temporal bone abnormality, and hearing levels using objective scoring systems in Chinese patients with microtia. The study population consisted of 106 ears of 94 Chinese patients (67 male and 27 female) aged 5 to 45 years (mean: 12.6) with microtia. The EAC abnormalities were classified into 4 types according to Schuknecht's criteria: type A, type B, type C, and type D. Developmental anomalies of the temporal bone were evaluated by Jahrsdoerfer computed tomography (CT) scoring system using high-resolution CT scans of the temporal bone...
June 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28628917/anatomical-characteristics-of-facial-nerve-and-cochlea-interaction
#17
Nadine Schart-Morén, Sune Larsson, Helge Rask-Andersen, Hao Li
OBJECTIVE: The aim was to study the relationship between the labyrinthine portion (LP) of the facial canal and the cochlea in human inner ear molds and temporal bones using micro-CT and 3D rendering. A reduced cochlea-facial distance may spread electric currents from the cochlear implant to the LP and cause facial nerve stimulation. Influencing factors may be the topographic anatomy and otic capsule properties. METHODS: An archival collection of human temporal bones underwent micro-CT and 3D reconstruction...
June 20, 2017: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/28623942/the-palisade-cartilage-tympanoplasty-technique-a-systematic-review-and-meta-analysis
#18
REVIEW
Caroline C Jeffery, Cameron Shillington, Colin Andrews, Allan Ho
BACKGROUND: Tympanoplasty is a common procedure performed by Otolaryngologists. Many types of autologous grafts have been used with variations of techniques with varying results. This is the first systematic review of the literature and meta-analysis with the aim to evaluate the effectiveness of one of the techniques which is gaining popularity, the palisade cartilage tympanoplasty. PubMed, EMBASE, and Cochrane databases were searched for "palisade", "cartilage", "tympanoplasty", "perforation" and their synonyms...
June 17, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28617404/-reconstructive-otoplasty-differentiated-approach-to-rib-cartilage-processing-and-ear-framework-formation-using-carving-technique
#19
T Z Chkadua, G V Asirova, F K Mustafina, M M Chernenkiy, S S Frolov, D L Vejze
The aim of the research was to optimize surgical rehabilitation of patients with auricle defects and deformities by the developing of differentiated approach to the choice of reconstructive otoplasty method. The study involved 30 patients with auricle defects and deformities of congenital (20 patients) and acquired (10 patients) etiology. The defects were total in 25 patients and partial in 5 patients. All patients underwent ear reconstruction with rib cartilage using carving technique. Preoperative planning was based in Doppler ultrasound of temporal region vessels, laser Doppler flowmetry, temporal skin ultrasound and 3D ribcage CT...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28616773/intracochlear-schwannoma-tumor-removal-via-subtotal-cochleoectomy-and-partial-cochlear-reconstruction-with-preservation-of%C3%A2-semicircular-canal-function
#20
S K Plontke, S Kösling, N Pazaitis, T Rahne
We report about a patient, who in 2005, as a 37-year-old, experienced a sudden, mild to moderate, mid-frequency sensorineural hearing loss in the right ear, along with tinnitus and mild dizziness. MRI of the temporal bone revealed a very small (1 mm) enhancing lesion in the second turn of the right cochlea after injection of contrast medium. Hearing gradually deteriorated, with complete hearing loss in 2015. At this time, an MRI scan showed a lesion completely filling the cochlea.The tumor was removed through a subtotal cochleoectomy...
June 14, 2017: HNO
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