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Auricular reconstruction

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https://www.readbyqxmd.com/read/28798551/total-ear-reconstruction-using-porous-polyethylene
#1
REVIEW
Kausar Ali, Jeffrey G Trost, Tuan A Truong, Raymond J Harshbarger
Total ear reconstruction has been approached by several techniques involving autologous graft, prosthetic implant, and alloplastic implant options. Recent studies have shown the superiority of porous polyethylene (Medpor, Porex Surgical) reconstruction over autologous reconstruction based on improved aesthetic results, earlier age of intervention, shorter surgery times, fewer number of required procedures, and a simpler postoperative recovery process. A durable and permanent option for total ear reconstruction, like Medpor, can help alleviate the cosmetic concerns that patients with auricular deformities may be burdened with on a daily basis...
August 2017: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/28798549/autologous-ear-reconstruction
#2
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/28798547/partial-ear-defects
#3
REVIEW
Brent B Pickrell, Christopher D Hughes, Renata S Maricevich
Reconstruction of partial ear defects represents one of the most challenging areas within reconstructive surgery of the head and neck. Each case of auricular reconstruction is unique and warrants a systematic approach that accounts for defect size and location, the quality of the surrounding skin, patient preference, and operator experience. In this article, the authors outline different reconstructive approaches for defects of the upper-, middle-, and lower-third of the auricle. The relevant anatomy is discussed in detail...
August 2017: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/28798546/otologic-and-audiology-concerns-of-microtia-repair
#4
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/28796097/comparison-of-two-different-grafts-in-nasal-framework-reconstruction-of-binder-syndrome-cartilage-and-silicone
#5
Le Tian, Jianjun You, Huan Wang, Bo Zhang, Yihao Xu, Xiaona Lu, Fei Fan
BACKGROUND: Binder syndrome is a rare congenital malformation with a flat facial profile especially a depressed nose. Rhinoplasty plays an important part in the multidisciplinary surgical protocol. Different materials have been proposed to reconstruct nasal framework. But fewer evidence concerns which graft can achieve more stable and appreciated nasal contour. In this article, the authors reported surgical details and experience of nasal framework reconstruction of Binder syndrome, compare the esthetic outcomes of 2 grafts: autologous costal cartilage and L-shaped silicone covered with auricular cartilage...
August 8, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28746277/auricular-tissue-engineering-using-osteogenic-differentiation-of-adipose-stem-cells-with-small-intestine-submucosa
#6
Chih-Hsun Lin, I-Chen Yang, Chi-Han Tsai, Hsu-Wei Fang, Hsu Ma
BACKGROUND: Ear reconstruction remains a challenge for plastic surgeons. A tissue-engineering approach could provide another route for obtaining shape maintenance in neoauricular tissue. METHODS: The authors designed a novel tissue-engineering auricular construct by culturing human adipose stem cells, which differentiated into osteocytes but not chondrocytes, in small intestine submucosa scaffolds. The authors evaluated cell growth potential and mechanical properties...
August 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28742686/bioengineering-a-human-face-graft-the-matrix-of-identity
#7
Jérôme Duisit, Louis Maistriaux, Adriano Taddeo, Giuseppe Orlando, Virginie Joris, Emmanuel Coche, Catherine Behets, Jan Lerut, Chantal Dessy, Giulio Cossu, Esther Vögelin, Robert Rieben, Pierre Gianello, Benoît Lengelé
OBJECTIVE: During the last decade, face allotransplantation has been shown to be a revolutionary reconstructive procedure for severe disfigurements. However, offer to patients remains limited due to lifelong immunosuppression. To move forward in the field, a new pathway in tissue engineering is proposed. BACKGROUND: Our previously reported technique of matrix production of a porcine auricular subunit graft has been translated to a human face model. METHODS: 5 partial and 1 total face grafts were procured from human fresh cadavers...
July 24, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28692518/costal-cartilage-assessment-in-surgical-timing-of-microtia-reconstruction
#8
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/28676165/repair-of-auricular-defects
#9
REVIEW
Deborah Watson, Avram Hecht
Repairing defects of the auricle requires an appreciation of the underlying 3-dimensional framework, the flexible properties of the cartilages, and the healing contractile tendencies of the surrounding soft tissue. In the analysis of auricular defects and planning of their reconstruction, it is helpful to divide the auricle into subunits for which different techniques may offer better functional and aesthetic outcomes. This article reviews many of the reconstructive options for defects of the various auricular subunits...
August 2017: Facial Plastic Surgery Clinics of North America
https://www.readbyqxmd.com/read/28671102/pentoxifylline-intervention-and-drug-action-in-scalping-forehead-flap-for-large-temporal-cutaneous-defects
#10
Jing An, Xingqi Chen, Yuhang Sun
Pentoxifylline is widely used in the treatment of cerebrovascular disease, at present, there are a variety of drugs in the clinical expansion of the role of the skin flap, by improving or promoting blood circulation, to ensure the survival of the flap. We designed scalping forehead flap to reconstruct large temporal cutaneous defects. This flap is reliable and can give us excellent postoperative result. This design has several advantages and is worth to be promoted. The scalping forehead flap we designed is reliable...
May 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28665852/mozart-ear-deformity-a-rare-diagnosis-in-the-ear-reconstruction-clinic
#11
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
#12
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...
August 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28582958/using-osseointegrated-implants-concomitant-with-onlay-bone-grafting-for-auricular-reconstruction
#13
Amin Rahpeyma, Saeedeh Khajehahmadi
Conventional dental implants have been reported for nasal and orbital regions but due to limited thickness of calvarium they are not used in mastoid region. Onlay bone grafting in skull concomitant with implants is a predictable method and experimental animal studies confirm it. Parietal bone and lateral mandibular ramus are suggested source of bone grafts and dental implants with 7 mm length can be used safely. Increased fixture length may lead to increase survival in long term.
June 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28574951/single-artery-human-ear-graft-procurement-a-simplified-approach
#14
Jérôme Duisit, Hadrien Amiel, Donovan Debluts, Louis Maistriaux, Alexander Gerdom, Anne Bol, Pierre Gianello, Catherine Behets, Benoit Lengelé
BACKGROUND: In the field of experimental facial vascularized composite tissue allotransplantation (VCA), a human auricular subunit model, pedicled on both superficial temporal (STA) and posterior auricular (PAA) arteries was described. Clinical cases of extensive auricular replantation however, suggested that a single artery could perfuse the entire flap. In our study, variants of this single pedicle approach have been studied, aiming to develop a more versatile replantation technique, in which the question of venous drainage has also been addressed...
May 31, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28557871/epidemiology-and-outcomes-of-auricular-burn-injuries
#15
Franca Kraenzlin, Oren Mushin, Shahin Ayazi, John Loree, Derek E Bell
Auricular burns represent a unique type of injury. The acute management and clinical course of these injuries can be different from other facial burns. There is a paucity of literature pertaining to the epidemiology and acute management of auricular burns. Most studies focus on deformity reconstruction. The aim of this study was to characterize the epidemiology, treatment, and outcomes of auricular burns. Data from all patients presenting to a regional burn center in a 4-year period were reviewed and those with auricular burns were identified...
May 23, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28538573/pursuing-mirror-image-reconstruction-in-unilateral-microtia-customizing-auricular-framework-by-application-of-three-dimensional-imaging-and-three-dimensional-printing
#16
Hsin-Yu Chen, Li-Shia Ng, Chun-Shin Chang, Ting-Chen Lu, Ning-Hung Chen, Zung-Chung Chen
BACKGROUND: Advances in three-dimensional imaging and three-dimensional printing technology have expanded the frontier of presurgical design for microtia reconstruction from two-dimensional curved lines to three-dimensional perspectives. This study presents an algorithm for combining three-dimensional surface imaging, computer-assisted design, and three-dimensional printing to create patient-specific auricular frameworks in unilateral microtia reconstruction. METHODS: Between January of 2015 and January of 2016, six patients with unilateral microtia were enrolled...
June 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28524733/cartilage-engineering-in-reconstructive-surgery-auricular-nasal-and-tracheal-engineering-from-a-surgical-perspective
#17
Paul Severin Wiggenhauser, Jan Thorsten Schantz, Nicole Rotter
This review provides an update on cartilage tissue engineering with particular focus on the head and neck. It is aimed at scientists and clinicians who are interested in tissue engineering and its clinical applicability. Principal tissue engineering strategies are summarized in the first part of this review. In the second part, current clinical approaches to auricular, nasal and tracheal reconstruction are discussed from a surgical perspective. By this approach, the requirements for clinical applicability are outlined and new insight into relevant aims of research is given to accelerate the transfer from bench to bedside...
May 19, 2017: Regenerative Medicine
https://www.readbyqxmd.com/read/28465028/the-technique-for-3d-printing-patient-specific-models-for-auricular-reconstruction
#18
Roberto L Flores, Hannah Liss, Samuel Raffaelli, Aiza Humayun, Kimberly S Khouri, Paulo G Coelho, Lukasz Witek
PURPOSE: Currently, surgeons approach autogenous microtia repair by creating a two-dimensional (2D) tracing of the unaffected ear to approximate a three-dimensional (3D) construct, a difficult process. To address these shortcomings, this study introduces the fabrication of patient-specific, sterilizable 3D printed auricular model for autogenous auricular reconstruction. METHODS: A high-resolution 3D digital photograph was captured of the patient's unaffected ear and surrounding anatomic structures...
April 6, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28445373/auricular-reconstruction-in-hemifacial-microsomia-with-an-expanded-two-flap-method
#19
Jin Qian, Zhibin Li, Tun Liu, Xu Zhou, Qingguo Zhang
BACKGROUND: Reconstruction of external ear is important for the child/adult with craniofacial deformities to achieve balance and harmony of the face and head. The aim of this study was to investigate the clinical application of an expanded two-flap method for auricular reconstruction in hemifacial microsomia. METHODS: Between January of 2014 and November of 2015, 111 hemifacial microsomia patients with microtia underwent auricular reconstruction with an expanded two-flap method...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445371/preventing-early-stage-graft-bone-resorption-by-simultaneous-innervation-innervated-iliac-bone-flap-for-mandibular-reconstruction
#20
Lei Wang, Jian-Hua Wei, Xi Yang, Zi-Hui Yang, Mo-Yi Sun, Xiao-Bing Cheng, Li-Qun Xu, De-Lin Lei, Chen-Ping Zhang
BACKGROUND: Postoperative resorption of vascularized bone grafts jeopardizes the success of dental implant(s) and functional rehabilitation of the jaw. Recent evidence supports the crucial role of innervation in bone regeneration and turnover. METHODS: This study reports a new technique for simultaneous innervation of vascularized iliac flaps in mandibular reconstruction, through neurorrhaphy between ilioinguinal nerves, which innervate iliac bone, and inferior alveolar nerves or great auricular nerves...
May 2017: Plastic and Reconstructive Surgery
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