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https://www.readbyqxmd.com/read/29031526/the-temporal-artery-island-flap-a-good-reconstructive-option-for-small-to-medium-sized-facial-defects
#1
Said Algan, Murat Kara, Hakan Cinal, Ensar Zafer Barin, Akin Inaloz, Onder Tan
PURPOSE: The reconstruction of facial defects is esthetically vital because of the unique skin color and texture of the face. The aim of this study was to show the utility of different temporal artery island flap designs for the reconstruction of upper and middle facial defects without contrast to the color and texture of the face. MATERIALS AND METHODS: This study is retrospective case series conducted from November 2004 through May 2015. Patients older than 18 years with upper and middle facial defects smaller than 5 cm were included...
September 19, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29026961/outcome-of-in-situ-septoplasty-and-extracorporeal-subtotal-septal-reconstruction-in-crooked-noses-a-randomized-self-controlled-study
#2
Sercan Gode, Murat Benzer, Mustafa Uslu, Isa Kaya, Rasit Midilli, Bulent Karci
IMPORTANCE: Severe dorsal deviations in crooked noses are treated by either in situ septoplasty with asymmetric spreader grafts (ISS) or extracorporeal subtotal septal reconstruction (ECS). To our knowledge, except one retrospective study, there is no other that compares the objective and subjective results of these two treatment modalities. OBJECTIVE: The aim of this study was to compare the aesthetic and functional outcomes of ECS and ISS in crooked noses. DESIGN, SETTING AND PARTICIPANTS: This study was carried out on 40 patients (ISS in 20 patients and ECS in 20 patients) who underwent external rhinoplasty surgery due to crooked noses between May 2014 and January 2016...
October 12, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29026816/aesthetic-refinements-in-forehead-flap-reconstruction-of-the-asian-nose
#3
Yen-Chang Hsiao, Chun-Shin Chang, Jonathan Zelken
BACKGROUND: Traditional paramedian forehead flap reconstruction exploits the aesthetic subunit principle. Refinements and outcomes of forehead flap nasal reconstruction largely reflect Western experience. Differences in ethnic Asian anatomy and wound healing may foster suboptimal outcomes. We modified methods to address Asian features by extending subunit and flap boundaries, minimizing flap thinning, and overbuilding the nasal framework to combat contraction and suboptimal scarring. METHODS: Between November 2010 and September 2015, 40 Asians were treated for nasal reconstruction with a modified forehead flap technique...
May 2017: Plastic Surgery
https://www.readbyqxmd.com/read/29023290/fascial-graft-repair-of-wide-bilateral-cleft-lip-deformity
#4
Husam Hosny, Ayman Husein Abdelsattar
Wide bilateral cleft lip deformity reconstruction represents a special difficulty as it affects the lip, nose, and maxillary segments making single-stage reconstruction sometimes unobtainable. Many surgical and nonsurgical techniques have been prescribed to facilitate the definitive repair. Although some of these techniques proved to be useful, they have their inherent limitations and add another treatment step with all its possible complications and costs. The authors present a new method to address muscle layer repair in 1-stage procedure...
October 11, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28991154/self-taught-learning-based-on-sparse-autoencoder-for-e-nose-in-wound-infection-detection
#5
Peilin He, Pengfei Jia, Siqi Qiao, Shukai Duan
For an electronic nose (E-nose) in wound infection distinguishing, traditional learning methods have always needed large quantities of labeled wound infection samples, which are both limited and expensive; thus, we introduce self-taught learning combined with sparse autoencoder and radial basis function (RBF) into the field. Self-taught learning is a kind of transfer learning that can transfer knowledge from other fields to target fields, can solve such problems that labeled data (target fields) and unlabeled data (other fields) do not share the same class labels, even if they are from entirely different distribution...
October 7, 2017: Sensors
https://www.readbyqxmd.com/read/28964238/3d-ion-velocity-distribution-function-measurement-in-an-electric-thruster-using-laser-induced-fluorescence-tomography
#6
P Q Elias, J Jarrige, E Cucchetti, F Cannat, D Packan
Measuring the full ion velocity distribution function (IVDF) by non-intrusive techniques can improve our understanding of the ionization processes and beam dynamics at work in electric thrusters. In this paper, a Laser-Induced Fluorescence (LIF) tomographic reconstruction technique is applied to the measurement of the IVDF in the plume of a miniature Hall effect thruster. A setup is developed to move the laser axis along two rotation axes around the measurement volume. The fluorescence spectra taken from different viewing angles are combined using a tomographic reconstruction algorithm to build the complete 3D (in phase space) time-averaged distribution function...
September 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28954911/male-cooperation-for-breeding-opportunities-contributes-to-the-evolution-of-multilevel-societies
#7
Xiao-Guang Qi, Kang Huang, Gu Fang, Cyril C Grueter, Derek W Dunn, Yu-Li Li, Weihong Ji, Xiao-Yan Wang, Rong-Tao Wang, Paul A Garber, Bao-Guo Li
A small number of primate species including snub-nosed monkeys (colobines), geladas (papionins) and humans live in multilevel societies (MLSs), in which multiple one-male polygamous units (OMUs) coexist to form a band, and non-breeding males associate in bachelor groups. Phylogenetic reconstructions indicate that the papionin MLS appears to have evolved through internal fissioning of large mixed-sex groups, whereas the colobine MLS evolved through the aggregation of small, isolated OMUs. However, how agonistic males maintain tolerance under intensive competition over limited breeding opportunities remains unclear...
September 27, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28953158/dorsal-augmentation-of-saddle-nose-deformity-with-toothpick-shaped-costal-cartilage-grafts-in-the-secondary-septorhinoplasty
#8
Raşit Cevizci, Selin Üstün Bezgin, Burak Ömür Çakir, Burak Kersin, Yildirim Ahmet Bayazit
Saddle nose deformity is a challenging complication of septoplasty or septorhinoplasty, characterized by underprojected cartilaginous dorsum. Nasal dorsal augmentation is a significant part of reconstructive surgery of saddle nose deformities. In this study, the authors aimed to discuss the results of using toothpick-shaped costal cartilage grafts in nasal dorsal augmentation of saddle nose deformity. Twelve patients who underwent nasal dorsal augmentation due to moderate to severe saddle nose deformity secondary to the previous septoplasty or septorhinoplasty were retrospectively reviewed...
September 25, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28953149/complex-subunit-repair-of-a-cheek-nose-and-medial-canthal-defect-a-stepwise-approach
#9
Mehul Bhatt, Zain Husain, Adam Jon Tinklepaugh, David Hermogenes Ciocon
A recent national survey suggests that up to one-third of facial reconstructive and plastic surgeons do not adhere to the classical principle of subunit reconstruction. While single-stage flaps and grafts may be easier and less time consuming, they can also lead to a poor cosmetic outcome. Here, the authors describe how the authors repaired a complex post-Mohs surgery facial defect involving multiple cosmetic subunits and how adherence to the subunit principle was essential to obtaining the most optimal functional and esthetic outcome...
September 25, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28938361/columellar-reconstruction-following-nasal-cpap-injury
#10
Catherine S Chang, Jordan W Swanson, Anthony Wilson, David W Low, Scott P Bartlett
Nasal continuous positive airway pressure (nCPAP) is utilized increasingly to treat pulmonary immaturity in premature neonates. Nasal injury is common with nCPAP use, with full thickness tissue loss at the columella among the most devastating complications.Columellar necrosis often imparts a full thickness injury to the overlying columellar skin, the medial crura of the lower lateral nasal cartilages, as well as the anteromedial inner nasal mucosal lining, and potentially the anterior septal cartilage. Consequently, the columella can become scarred and shortened...
September 15, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28913282/the-versatility-of-cheek-rotation-flaps
#11
Kyung Pil Kim, Ho Seup Sim, Jun Ho Choi, Sam Yong Lee, Do Hun Lee, Seong Hwan Kim, Hong Min Kim, Jae Ha Hwang, Kwang Seog Kim
BACKGROUND: The cheek rotation flap has sufficient blood flow and large flap size and it is also flexible and easy to manipulate. It has been used for reconstruction of defects on cheek, lower eyelid, or medial and lateral canthus. For the large defects on central nose, paramedian forehead flap has been used, but patients were reluctant despite the remaining same skin tone on damaged area because of remaining scars on forehead. However, the cheek flap is cosmetically superior as it uses the adjacent large flap...
December 2016: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28910438/long-term-outcomes-of-subtotal-septal-reconstruction-in-rhinoplasty
#12
Scott A Asher, Akta S Kakodkar, Dean M Toriumi
Importance: Significant nasal septal deviation may require complex reconstruction to achieve complete correction. Subtotal septal reconstruction is a method for addressing deviations in the L-strut. Objectives: To review the long-term outcomes of subtotal septal reconstruction and provide objective evidence of functional and aesthetic improvement. Design, Setting, and Participants: This medical record review obtained data on 144 patients who underwent subtotal septal reconstruction from September 1, 2008, to September 1, 2013...
September 14, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28890030/corpus-callosal-lipoma-extending-as-nasal-encephalocoel-cranial-lipomeningocoel
#13
Abhidha Shah, Survendra Rai, Atul Goel
A hitherto unreported case is presented wherein a 2year old child had a 'cranial lipomeningocoel' or a 'nasal lipo-encephalocoel'. The child presented with a growing mass in the base of the nose. Investigations revealed that the nasal mass was a lipoma that was an extension of intracranial lipoma. The intracranial component extended up to corpus callosum. Resection of the extracranial extension and basal reconstruction resulted in cosmetic recovery.
November 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28881107/saddle-nose-deformity-and-septal-perforation-in-granulomatosis-with-polyangiitis
#14
Annekatrin Coordes, Sonja Maike Loose, Veit M Hofmann, Grant S Hamilton, Frank Riedel, Dirk Jan Menger, Andreas E Albers
BACKGROUND: Patients who have granulomatosis with polyangiitis (GPA, syn. M. Wegener) often develop an external nose deformity which may have devastating psychological effects. Therefore, reconstruction of nasal deformities by rhinoplasty may become necessary to achieve a normal appearance. OBJECTIVE OF REVIEW: The aim of this systematic review was to investigate the efficacy and safety of surgical reconstruction in external nasal deformities and septal perforation in GPA patients...
September 7, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28880988/the-10-item-standardized-cosmesis-and-health-nasal-outcomes-survey-schnos-for-functional-and-cosmetic-rhinoplasty
#15
Sami P Moubayed, John P A Ioannidis, Mikhail Saltychev, Sam P Most
Importance: Rhinoplasty is a common operation in which shape and function are intimately related, whether the procedure is cosmetic, functional, or combined in nature. There is currently no properly developed and validated patient-reported outcome measure (PROM) to evaluate both functional and cosmetic components of rhinoplasty. Objective: To develop, validate, and field test the Standardized Cosmesis and Health Nasal Outcomes Survey (SCHNOS) to evaluate both functional and cosmetic outcomes of rhinoplasty...
September 7, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28875117/fascia-lata-free-flap-anastomosed-to-the-superior-trochlear-system-for-reconstruction-of-the-anterior-skull-base
#16
Camilo Reyes, C Arturo Solares, Michael A Fritz, Michael Groves, Heather Bentley
Objectives  This study aims to introduce a novel technique for the reconstruction of the anterior skull base using a free vascularized anterolateral thigh fascia lata free flap (FLFF) anastomosed to the superior trochlear artery (STA). Methods  The diameter of the STA was measured in 38 (76 sides) computed tomography angiographies (CTAs). Independently, six cadaver heads were used to measure the diameter of the supratrochlear system, and the model was applied to one of them. Results  In women, the average diameter of the STA was 2...
October 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28872504/chondrocutaneous-preauricular-free-flap-for-reconstruction-of-nasal-defects-aided-by-interposition-vascular-graft
#17
Sangjun Yim, Seok-Chan Eun
INTRODUCTION: Reconstruction of a nose deformity with a full-thickness defect is not an easy procedure because the nose is highly noticeable, being located at the center of the face, and plays an important role in breathing. Esthetics and functionality are equally important. Local flap reconstruction is an option but it has limitations for reconstruction of large defects because of the following the scar and the deformity at the recipient site. Chondrocutaneous preauricular free flaps can be used to provide grafts with satisfactory esthetics...
October 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28859712/long-term-olfactory-outcome-after-nasoseptal-flap-reconstructions-in-midline-skull-base-surgery
#18
Michael B Soyka, Carlo Serra, Luca Regli, Eva Meier, David Holzmann
BACKGROUND: The nasoseptal flap (NSF) is a universally used surgical technique to cover defects of the skull base after extended sinonasal surgery. Long-term follow-up of complications, sequelae, and smell function is largely unknown. OBJECTIVE: The main objective of this study was to investigate monorhinal olfaction after transsphenoidal skull base surgery. METHODS: Patients who underwent skull base surgery for midline lesions (craniopharyngioma and pituitary tumors) by using a NSF, also referred to as the Haddad flap, were assessed for their long-term outcome...
September 1, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28839482/comparison-of-mesiodistal-root-angulation-measured-from-conventional-and-cbct-derived-panoramic-radiographs-in-orthodontic-patients
#19
Ibrahim Nasseh, Douglas Jensen, Marcel Noujeim
INTRODUCTION: Use of cone beam computed tomography (CBCT) in orthodontics is increasing; however, some patients started treatment with conventional images. The objective of this study is to manipulate CBCT panoramic reconstruction to make it comparable to conventional panoramic image and to compare mesiodistal root angulations on both images. MATERIALS AND METHODS: Concurrent conventional panoramics and CBCT volumes were obtained from 40 subjects. CBCT volumes were manipulated to generate pan-like images that mimic the occlusal plane angle of the corresponding panoramic, allowing comparison of mesiodistal root angulations and determination of the head-tilt required to produce the reconstruction...
2017: Open Dentistry Journal
https://www.readbyqxmd.com/read/28828240/the-hidden-anatomy-of-paranasal-sinuses-reveals-biogeographically-distinct-morphotypes-in-the-nine-banded-armadillo-dasypus-novemcinctus
#20
Guillaume Billet, Lionel Hautier, Benoit de Thoisy, Frédéric Delsuc
BACKGROUND: With their Pan-American distribution, long-nosed armadillos (genus Dasypus) constitute an understudied model for Neotropical biogeography. This genus currently comprises seven recognized species, the nine-banded armadillo (D. novemcinctus) having the widest distribution ranging from Northern Argentina to the South-Eastern US. With their broad diversity of habitats, nine-banded armadillos provide a useful model to explore the effects of climatic and biogeographic events on morphological diversity at a continental scale...
2017: PeerJ
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