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https://www.readbyqxmd.com/read/29140904/reconstruction-of-microtias-with-constricted-ear-features-a-22-year-experience
#1
Chul Park, Jung Youl Park
BACKGROUND: The surgical correction of 'microtias with constricted ear features' has remained a challenge due to the variable shape and large volume of the remnant cartilage and skin involved. In order to clarify how this remnant cartilage and skin should be treated, we have reviewed and analyzed cases operated at our Center. METHODS: A total of 167 cases of Microtia with Constricted Ear Features, operated from 1992 to 2014, were included in the study. They were reviewed through medical records and photographs, analysis of surgical methods, and postoperative outcomes...
November 11, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29135725/firm-elevation-of-reconstructed-auricle-using-polydactyly-digit-in-microtia
#2
Suk Yoon Jang, Woo Seob Kim, Han Koo Kim, Tae Hui Bae
Total ear reconstruction for microtia is usually accomplished in 2 stages which is known as Nagata technique. After framework fabrication and implantation, the elevation procedure is required as a second step surgery. The authors are introducing a novel material for augmenting projection of rib cartilage framework in microtia treatment.
November 9, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29106873/evaluation-of-tracheobronchial-branching-abnormalities-in-patients-with-microtia-using-chest-computed-tomography
#3
Chuan Li, Haiyue Jiang, Jingning Chen, Rongwei Wu, Ye Bi, Meirong Yang, Ye Zhang, Bo Pan
BACKGROUND: The objective of this study was to identify the characteristics and incidence of Tracheobronchial branching abnormalities in patients with microtia and to evaluate the risk of anesthesia. METHODS: A total of 204 consecutive microtia patients and 465 nose cosmetic patients without microtia received a preoperative chest computed tomography. A retrospective study was performed with the clinical and imaging data from July 2016 to April 2017. RESULTS: With the chest computed tomography images, a total of 7 cases were documented with Tracheobronchial branching abnormalities, including 6 cases among the microtia patients and 1 case among the cosmetic patients without microtia...
November 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29065097/morphological-characteristics-of-osseous-external-auditory-canal-and-its-relationship-with-external-auditory-canal-cholesteatoma-in-patients-with-congenital-aural-stenosis
#4
Dongming Yin, Chenlong Li, Hong Juan, Jieying Li, Lin Yang, Tianyu Zhang, Peidong Dai
OBJECTIVE: To investigate the characteristics of stenotic external auditory canal (EAC) (e.g., shape, length, orientation, and curvature) and to compare them with those of the cholesteatoma and no cholesteatoma groups, which may help to explain cholesteatoma formation to a certain degree. METHODS: Computed tomography scans of two groups of patients (with and without EAC cholesteatoma) were analyzed. We determined the degree of microtia, the stenosis of EAC, radius and curvature of osseous EAC bending (abbreviated as OEB-r and OEB-c, respectively), and other anatomic parameters of EAC by using Mimics and Matlab...
December 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/29062641/evaluation-of-4-outcomes-measures-in-microtia-treatment-exposures-infections-aesthetics-and-psychosocial-ramifications
#5
Rachel S Mandelbaum, Elizabeth J Volpicelli, Deborah B Martins, Sarah H Park, Emily Dubina, Akira Ishiyama, James P Bradley, Justine C Lee
BACKGROUND: In craniofacial microsomia, microtia and canal atresia pose formidable reconstructive challenges. We review our institutional experience in treating microtia and atresia to identify variables associated with 4 outcomes measures: complications, surgical revisions, aesthetic outcomes, and psychosocial function. METHODS: Craniofacial microsomia patients treated at the University of California Los Angeles Craniofacial Clinic between 2008 and 2014 greater than 13 years of age (n = 68) were reviewed for microtia and atresia treatment and outcomes...
September 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29055244/a-pilot-study-comparing-mechanical-properties-of-tissue-engineered-cartilages-and-various-endogenous-cartilages
#6
Andrew K Pappa, Sajjad Soleimani, Montserrat Caballero, Alexandra E Halevi, John A van Aalst
BACKGROUND: Mechanical properties of tissue-engineered cartilage and a variety of endogenous cartilage were measured. The main goal was to evaluate if the tissue-engineered cartilage have similar mechanical characteristics to be replaced with rib cartilage in microtia reconstruction. Such study lays the foundation for future human clinical trials for microtia reconstruction. METHOD: Atomic force microscopy and compression testing were used to measure the viscoelasticity of tissue-engineered cartilage (stem cell seeded on Poly lactic co-glycolytic acid nanofibers and Pellet) and endogenous cartilage: conchal bowl, microtic ears, preauricular remnants, and rib...
October 10, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29042703/modification-of-dentofacial-growth-associated-with-goldenhar-syndrome
#7
Ei Ei Hsu Hlaing, Yoshihito Ishihara, Chikako Hara, Hiroshi Kamioka
The rare developmental defect, Goldenhar syndrome is characterized by complex craniofacial and dentofacial anomalies. Here we describe the successful orthodontic treatment of a 5-year-old Japanese Goldenhar syndrome patient with mild facial asymmetry, right microtia, right-side hearing loss, and tongue-thrusting by a modification of dentofacial growth using a non-surgical orthopedic treatment approach. Improvement of the vertical discrepancies on the affected side and canted occlusal plane as well as mandibular deviation were achieved with a functional orthopaedic approach...
October 2017: Acta Medica Okayama
https://www.readbyqxmd.com/read/28969749/caudal-regression-syndrome-with-bilateral-microtia
#8
Arshad Khushdil, Zeeshan Ahmed, Munir Akmal Lodhi, Sultan Saleem
Caudal regression syndrome (CRS) is a very rare and unusual disorder affecting the lower part of the body along with multiple systems'involvement. It is mostly found in association with maternal diabetes mellitus during pregnancy; but there is a rare familial form of the disorder, as well. We describe a newborn who presented with the classic clinical and radiologic features of CRS along with bilateral microtia. Our search of the available English language literature did not reveal any such association of CRS with microtia...
September 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28968992/target-sequencing-of-307-deafness-genes-identifies-candidate-genes-implicated-in-microtia
#9
Pu Wang, Xinmiao Fan, Yibei Wang, Yue Fan, Yaping Liu, Shuyang Zhang, Xiaowei Chen
Microtia is a congenital malformation of the external ear caused by genetic and/or environmental factors. However, no causal genetic mutations have been identified in isolated microtia patients. In this study, we utilized targeted genomic capturing combined with next-generation sequencing to screen for mutations in 307 deafness genes in 32 microtia patients. Forty-two rare heterozygous mutations in 25 genes, including 22 novel mutations in 24 isolated unilateral microtia cases were identified. Pathway analysis found five pathways especially focal adhesion pathway and ECM-receptor interaction pathway were significantly associated with microtia...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28964287/aesthetic-and-hearing-rehabilitation-in-patients-with-bilateral-microtia-atresia
#10
Xinmiao Fan, Yibei Wang, Pu Wang, Yue Fan, Yu Chen, Yuanli Zhu, Xiaowei Chen
OBJECTIVES: To evaluate the safety and efficacy of auricle reconstruction and active transcutaneous bone-conduction implantation in patients with bilateral microtia-atresia. DESIGN: Patients were chosen prospectively, with each being his/her own control. SETTING: The setting was a tertiary referral center. PARTICIPANTS: Twelve patients, aged 6-18 years, with bilateral microtia-atresia suffering from bilateral conductive hearing loss...
October 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28959893/early-familial-experiences-with-microtia-psychosocial-implications-for-pediatric-providers
#11
Alexis L Johns, Daniel D Im, Sheryl L Lewin
This study focuses on early experiences of families with a child with microtia to better inform their ongoing care by pediatric providers. Parents and children (n = 62; mean age of 6.9 ± 3.9 years) with isolated microtia participated in semistructured interviews in Spanish (66.1%) or English (33.9%). Qualitative analysis of responses used open coding to identify themes. Parents reported stressful informing experiences of the diagnosis with multiple negative emotions. Parents and children generally reported not understanding microtia etiology, while some families identified medical, religious, and folk explanations...
September 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/28940719/effect-of-availability-of-video-laryngoscopy-on-the-use-of-fiberoptic-intubation-in-school-aged-children-with-microtia
#12
Ichiro Kondo, Hidetsugu Kobayashi, Yoshihumi Suga, Akihiro Suzuki, Shuya Kiyama, Shoichi Uezono
BACKGROUND: With the increasing popularity of video laryngoscopy during intubation of pediatric patients with normal or difficult airways, fiberoptic-assisted tracheal intubation, traditionally considered the gold standard for difficult intubation, may become underused. AIM: We aimed to assess the use of airway management techniques before and after introduction of video laryngoscopy in a cohort of school-aged children with microtia, who are at increased risk of difficult intubation...
November 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28929069/our-experience-of-treating-wide-spectrum-of-external-ear-canal-atresia-of-different-etiologies-in-pediatric-patients
#13
Kranti Bhavana
External auditory canal atresia (EACA) is a common otologic condition. Etiology can vary from congenital to acquired causes. It causes considerable difficulty to the patient. Bilateral ear canal atresia in children can lead to speech delays due to hearing impairment caused by this condition. Though easily diagnosed it is one of the most difficult conditions to treat. Acquired conditions can affect any age group. Restenosis following treatment is very common. This article focuses on the treatment of EACA due to different etiologies and emphasizes on special points of surgical treatment and follow up...
September 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28906326/tissue-engineering-strategies-for-auricular-reconstruction
#14
Michael J Schroeder, Mark S Lloyd
Simulating natural characteristics and aesthetics in reconstructed ears has provided a complex 3-dimensional puzzle for those treating patients with microtia. Costochondral grafts remain the gold standard for autologous reconstruction. However, other options such as Medpor and prosthetics are indicated depending on patient circumstances and personal choice. Research into tissue engineering offers an alternative method to a traditional surgical approach that may reduce donor-site morbidity. However, tissue engineering for microtia reconstruction brings new challenges such as cell sourcing, promotion of chondrogenesis, scaffold vascularization, and prevention of scaffold contraction...
November 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28858277/-bone-anchored-auricular-prosthesis-for-patients-with-grade-iii-microtia
#15
T Z Chkadua, S V Abramyan, I I Sukharskiy, A R Arsenidze, T D Cholokava
The aim of the study was to assess the effectivity of auricular prosthesis on intraosseous implants in patient with grade III microtia. The study included 7 patients (5 males and 2 females) aged 18 to 45 years with hemifacial microsomia and grade III microtia operated in Central Research Institute of Dentistry and Maxillofacial Surgery in 2013-2016. Number and position of intraosseous implants was determined by reverse planning based on CT representing hard and soft facial structures. Patients were followed-up for 6-36 months...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28857620/active-transcutaneous-bone-conduction-implant-audiological-results-in-paediatric-patients-with-bilateral-microtia-associated-with-external-auditory-canal-atresia
#16
Sofía Bravo-Torres, Carolina Der-Mussa, Eduardo Fuentes-López
OBJECTIVE: To describe, in terms of functional gain and word recognition, the audiological results of patients under 18 years of age implanted with the active bone conduction implant, Bonebridge™. DESIGN: Retrospective case studies conducted by reviewing the medical records of patients receiving implants between 2014 and 2016 in the public health sector in Chile. STUDY SAMPLE: All patients implanted with the Bonebridge were included (N = 15)...
August 31, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28841618/intelligence-and-academic-achievement-of-adolescents-with-craniofacial-microsomia
#17
Matthew L Speltz, Erin R Wallace, Brent R Collett, Carrie L Heike, Daniela V Luquetti, Martha M Werler
BACKGROUND: The authors compared the IQ and academic achievement of adolescents with craniofacial microsomia (cases) and unaffected children (controls). Among cases, the authors analyzed cognitive functioning by facial phenotype. METHODS: The authors administered standardized tests of intelligence, reading, spelling, writing, and mathematics to 142 cases and 316 controls recruited from 26 cities across the United States and Canada. Phenotypic classification was based on integrated data from photographic images, health history, and medical chart reviews...
September 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28798549/autologous-ear-reconstruction
#18
REVIEW
Asaf Olshinka, Matthew Louis, Tuan A Truong
Since the pioneering use of autologous rib cartilage for the reconstruction of microtia, there have been significant advances in surgical technique that have helped to ameliorate the psychological burden of microtia. To date, the use of rib cartilage for auricular reconstruction is one of the most enduring and ubiquitous techniques for microtia reconstruction as it provides excellent aesthetic results with lasting durability. In this review, the authors outline the most common methods of microtia reconstruction with a comparison of each technique and illustrative case examples...
August 2017: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/28798546/otologic-and-audiology-concerns-of-microtia-repair
#19
REVIEW
Kausar Ali, Kriti Mohan, Yi-Chun Liu
Microtia is a congenital auricular deformity that commonly presents with associated congenital aural atresia. The most acute concern in these patients is concomitant hearing loss at birth. A team-based approach by plastic surgeons and otologists is necessary to address both the otologic and audiologic concerns of microtia and atresia. Hearing rehabilitation is imperative; yet it should not compromise the aesthetic components of reconstruction and vice versa. Here, the authors propose a framework to evaluate and manage patients with microtia and atresia with the goal of optimizing functional and cosmetic outcomes...
August 2017: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/28764250/microtia-in-all-the-siblings-of-a-family-a-rare-case
#20
Somashekar Gejje, Brijesh Mishra, Amrita Anandkumar Hongal
No abstract text is available yet for this article.
June 2017: Journal of Clinical and Diagnostic Research: JCDR
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