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https://www.readbyqxmd.com/read/29684804/aesthetic-considerations-in-flap-reconstruction-of-the-burnt-face-in-males-a-demonstrative-case-report
#1
Abdullah E Kattan, Mohammad M Al-Qattan
INTRODUCTION: The face is unique because functional and aesthetic considerations are equally important. Extensive deep chemical burns of the face are usually reconstructed with flaps. In males, the use of the hair - bearing superficial temporal artery flap has the advantage of achieving a satisfactory outcome with regards to both function and aesthetics. PRESENTATION OF CASE: A 49-year-old man sustained a deep chemical burn to the right side of the face and neck...
April 16, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29671728/plastic-surgery-s-contributions-to-surgical-ethics
#2
Chad M Teven, Scott B Grant
We review Kevin Chung and colleagues' 2009 Plastic and Reconstructive Surgery article, "A Systematic Review of Ethical Principles in the Plastic Surgery Literature," which shows that only 110 of the more than 100,000 plastic surgery articles clearly focus on ethical principles. The four fundamental ethical principles (i.e., respect for autonomy, beneficence, nonmaleficence, and justice) were differentially emphasized, with respect for autonomy being most common. Despite the number of ethical issues faced by plastic surgeons, this systematic review found that a relatively small fraction of the plastic surgery literature has focused on ethical principles...
April 1, 2018: AMA Journal of Ethics
https://www.readbyqxmd.com/read/29671724/facial-disfigurement-and-identity-a-review-of-the-literature-and-implications-for-facial-transplantation
#3
William J Rifkin, Rami S Kantar, Safi Ali-Khan, Natalie M Plana, J Rodrigo Diaz-Siso, Manos Tsakiris, Eduardo D Rodriguez
Facial disfigurement can significantly affect personal identity and access to social roles. Although conventional reconstruction can have positive effects with respect to identity, these procedures are often inadequate for more severe facial defects. In these cases, facial transplantation (FT) offers patients a viable reconstructive option. However, FT's effect on personal identity has been less well examined, and ethical questions remain regarding the psychosocial ramifications of the procedure. This article reviews the literature on the different roles of the face as well as psychological and social effects of facial disfigurement...
April 1, 2018: AMA Journal of Ethics
https://www.readbyqxmd.com/read/29668505/comparison-of-functional-results-after-cross-face-nerve-graft-spinal-accessory-nerve-and-masseter-nerve-innervated-gracilis-for-facial-paralysis-reconstruction-the-chang-gung-experience
#4
David Chwei-Chin Chuang, Johnny Chuieng-Yi Lu, Tommy Nai-Jen Chang, Vincent G Laurence
BACKGROUND: Using functioning free muscle transplantation (FFMT) for facial paralysis and postparalysis facial synkinesis reconstruction is our preferred technique. Gracilis was the first choice of muscle. Three motor neurotizers: cross-face nerve graft (CFNG), spinal accessory nerve (XI) and masseter nerve (V3) have been used as neurotizers for different indications. METHODS: A total of 362 cases of facial reanimation with FFMT were performed between 1986 and 2015...
April 17, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29666139/last-year-of-life-study-cologne-lyol-c-protocol-for-a-cross-sectional-mixed-methods-study-to-examine-care-trajectories-and-transitions-in-the-last-year-of-life-until-death
#5
Julia Strupp, Gloria Hanke, Nicolas Schippel, Holger Pfaff, Ute Karbach, Christian Rietz, Raymond Voltz
INTRODUCTION: The last year of life constitutes a particularly vulnerable phase for patients, involving nearly all health and social care structures. Yet, little scientific evidence is available that provides insight into the trajectories including the number and types of care setting transitions, transitions into palliative care and the dying phase. Only few studies have focused on difficulties associated with having to move between health and social care settings in the last year of life, although patients face a significant risk of adverse events...
April 17, 2018: BMJ Open
https://www.readbyqxmd.com/read/29658460/-neuroprotective-effects-of-oligodendrocyte-precursor-cells-on-white-matter-damage-in-preterm-infants
#6
Yan Yue, Li Zhang, Yi Qu, De-Zhi Mu
White matter damage, characterized by demyelination due to the damage of oligodendrocyte precursor cells (OPCs), is the most common type of brain damage in preterm infants. Survivors are often subject to long-term neurodevelopmental sequelae because of the lack of effective treatment. In recent years, it has been found that cell transplantation has the potential for the treatment of white matter damage. OPCs are frequently used cells in cell transplantation therapy. With abilities of migration and myelinization, OPCs are the best seed cells for the treatment of white matter damage...
April 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29657788/lepidosaurian-diversity-in-the-mesozoic-palaeogene-the-potential-roles-of-sampling-biases-and-environmental-drivers
#7
Terri J Cleary, Roger B J Benson, Susan E Evans, Paul M Barrett
Lepidosauria is a speciose clade with a long evolutionary history, but there have been few attempts to explore its taxon richness through time. Here we estimate patterns of terrestrial lepidosaur genus diversity for the Triassic-Palaeogene (252-23 Ma), and compare observed and sampling-corrected richness curves generated using Shareholder Quorum Subsampling and classical rarefaction. Generalized least-squares regression (GLS) is used to investigate the relationships between richness, sampling and environmental proxies...
March 2018: Royal Society Open Science
https://www.readbyqxmd.com/read/29656965/total-hip-arthroplasty-for-periacetabular-metastatic-disease-an-original-technique-of-reconstruction-according-to-the-harrington-classification
#8
Julien Wegrzyn, Matthieu Malatray, Turki Al-Qahtani, Vincent Pibarot, Cyrille Confavreux, Gilles Freyer
BACKGROUND: Periacetabular metastatic disease requires complex acetabular reconstruction. The complication rate for these frail patients is high. Various cement-rebar reinforced techniques allowing cemented total hip arthroplasty (THA) have been described. The optimal procedure has not yet been identified. METHODS: A continuous series of 131 THAs performed in 126 patients with periacetabular metastatic disease was prospectively included in this study. After bone metastasis curettage and cementation, an original technique of acetabular reconstruction was performed using a dual mobility cup cemented into an acetabular reinforcement device (ie, Kerboull cross-plate or Burch-Schneider antiprotrusio cage) according to the Harrington classification...
March 17, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29649064/incomplete-facial-paralysis-the-use-of-the-ipsilateral-residual-facial-nerve-as-a-donor-nerve-for-facial-reanimation
#9
Eyal Gur, Ron M Zuker, Arik Zaretski, David Leshem, Yoav Barnea, Ehud Arad, Ravit Yanko, Beni Meilik, Daniel J Kedar, Ehud Fliss
BACKGROUND: The reconstructive approach for incomplete facial paralysis is not yet determined. In this article we present a new surgical approach for patients with incomplete facial paralysis in which residual, ineffective movement is detected pre-operatively in the ipsilateral bucco-zygomatic territory of the paretic facial nerve. METHODS: Sixteen patients with incomplete facial paralysis were found eligible for the procedure and underwent one-stage facial reanimation by the senior author (E...
March 29, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29630046/multimodal-hierarchical-imaging-of-serial-sections-for-finding-specific-cellular-targets-within-large-volumes
#10
Irene U Wacker, Lisa Veith, Waldemar Spomer, Andreas Hofmann, Marlene Thaler, Stefan Hillmer, Ulrich Gengenbach, Rasmus R Schröder
Targeting specific cells at ultrastructural resolution within a mixed cell population or a tissue can be achieved by hierarchical imaging using a combination of light and electron microscopy. Samples embedded in resin are sectioned into arrays consisting of ribbons of hundreds of ultrathin sections and deposited on pieces of silicon wafer or conductively coated coverslips. Arrays are imaged at low resolution using a digital consumer like smartphone camera or light microscope (LM) for a rapid large area overview, or a wide field fluorescence microscope (fluorescence light microscopy (FLM)) after labeling with fluorophores...
March 20, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29628877/source-reconstruction-of-brain-potentials-using-bayesian-model-averaging-to-analyze-face-intra-domain-vs-face-occupation-cross-domain-processing
#11
Ela I Olivares, Agustín Lage-Castellanos, María A Bobes, Jaime Iglesias
We investigated the neural correlates of the access to and retrieval of face structure information in contrast to those concerning the access to and retrieval of person-related verbal information, triggered by faces. We experimentally induced stimulus familiarity via a systematic learning procedure including faces with and without associated verbal information. Then, we recorded event-related potentials (ERPs) in both intra-domain (face-feature) and cross-domain (face-occupation) matching tasks while N400-like responses were elicited by incorrect eyes-eyebrows completions and occupations, respectively...
2018: Frontiers in Integrative Neuroscience
https://www.readbyqxmd.com/read/29628624/fast-2d-3d-object-representation-with-growing-neural-gas
#12
Anastassia Angelopoulou, Jose Garcia Rodriguez, Sergio Orts-Escolano, Gaurav Gupta, Alexandra Psarrou
This work presents the design of a real-time system to model visual objects with the use of self-organising networks. The architecture of the system addresses multiple computer vision tasks such as image segmentation, optimal parameter estimation and object representation. We first develop a framework for building non-rigid shapes using the growth mechanism of the self-organising maps, and then we define an optimal number of nodes without overfitting or underfitting the network based on the knowledge obtained from information-theoretic considerations...
2018: Neural Computing & Applications
https://www.readbyqxmd.com/read/29627149/combined-bilobed-trapezius-myocutaneous-and-scapula-osteomyocutaneous-flaps-for-the-restoration-of-through-and-through-defects-of-the-mandible-following-salvage-surgery-for-recurrent-head-and-neck-tumours
#13
W-L Chen, Z-Q Huang, B Zhou, Y Wang, R Chen
This study was performed to evaluate the outcomes of combined bilobed trapezius myocutaneous and scapula osteomyocutaneous flaps for the restoration of through-and-through defects of the mandible. The subjects were six patients with recurrent malignant tumours who underwent salvage surgeries and reconstruction with combined flaps based on the transverse cervical vessels (TCVs). All patients had combined bone (four type H, one type LCL, and one type C) and extensive soft tissue defects (through-and-through defects) following salvage surgery...
April 4, 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29625978/subgroup-characteristics-of-marine-methane-oxidizing-anme-2-archaea-and-their-syntrophic-partners-revealed-by-integrated-multimodal-analytical-microscopy
#14
Shawn E McGlynn, Grayson L Chadwick, Ariel O'Neill, Mason Mackey, Andrea Thor, Thomas J Deerinck, Mark H Ellisman, Victoria J Orphan
Phylogenetically diverse environmental ANME archaea and sulfate-reducing bacteria cooperatively catalyze the anaerobic oxidation of methane oxidation (AOM) in multi-celled consortia within methane seep environments. To better understand these cells and their symbiotic associations, we applied a suite of electron microscopy approaches including correlative<u>f</u>luorescence <u>i</u> n<u>s</u>itu <u>h</u>ybridization -<u>e</u>lectron<u>m</u>icroscopy (FISH-EM),<u>t</u>ransmission<u>e</u>lectron<u>m</u>icroscopy (TEM), and<u>s</u>erial<u>b</u>lock face scanning<u>e</u>lectron<u>m</u>icroscopy 3D reconstructions (SBEM)...
April 6, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29622265/editorial-commentary-medial-patellofemoral-ligament-reconstruction-alone-works-well-when-the-patient-has-normal-alignment-but-don-t-forget-to-move-the-tibial-tubercle-when-necessary
#15
EDITORIAL
John P Fulkerson
Medial patellofemoral ligament reconstruction works very well, regardless of graft choice, for controlling lateral patella instability when performed correctly in patients with normal alignment, even in the face of trochlea dysplasia. However, sometimes a tibial tubercle transfer is necessary in patella instability surgery.
April 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29621960/experimental-uterus-transplant-in-various-models-review-of-surgical-techniques
#16
Jalal Arvin, Maryam Ashrafi, Saeedeh Lotfi, Arash Dadvand Meshgin Shahr, Elvira Schomann, Kristina Scheerer, Elke Schulmeyer
Uterus transplantation may become the surgical therapeutic modality of choice for uterine factor infertility. However, this procedure still faces technical, therapeutic, and immunologic challenges that limit its success and clinical application. Experimental studies are therefore still needed to address various challenges in the field of uterus transplantation. Among various laboratory animals, small animals are ideal models for the purpose of experimental uterus transplant. However, clinical success in small animal models is not generalizable to clinical application and treatment for uterine factor infertility in humans...
April 2018: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29621374/novel-use-of-a-volumizing-hyaluronic-acid-filler-for-treatment-of-infraorbital-hollows
#17
Michael B Hall, Sudeep Roy, Edward D Buckingham
Importance: Hyaluronic acid filler can be safely used as a soft-tissue filler for correction of infraorbital hollowing. It has a high overall patient satisfaction profile among patients. Objective: To report safety and patient satisfaction outcomes of Juvéderm Voluma XC for correction of infraorbital hollows. Design, Setting, and Patients: This was a retrospective observational study performed at a private ambulatory facial plastic and reconstructive surgery practice...
April 5, 2018: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/29621078/a-patient-with-severe-lower-face-degloving-injury
#18
Ivo Cavalcante Pita Neto, Jéferson Martins Pereira Lucena Franco, Eduardo Chaves Moreno, Pablo Pita, Francisco Aurelio Lucchesi Sandrini, David Gomes de Alencar Gondim
Avulsions of mandible are among the most devastating lesions observed in cranio-maxillofacial traumas. They present an important health problem because of the high risk of morbidity related to deformities that cause functional limitations and esthetic changes. The avulsions commonly result from high-energy effects, which cause complete or partial separation of the mandibular bone of the face. As a result of the intense aggression, the skin and subcutaneous tissues of the bone are usually removed, affecting muscles, fascia, blood vessels, and the surrounding nerves...
April 4, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29618144/five-strand-hamstring-autograft-in-primary-anterior-cruciate-ligament-reconstruction
#19
Lingaraj Krishna, Xin Yang Tan, Acksen Thangaraja, Francis K L Wong
The purpose of this study was to describe our surgical technique of using five-strand hamstring autograft with interference screw fixation in primary anterior cruciate ligament (ACL) reconstruction and to report the early postoperative outcomes of this technique. Patients who underwent primary ACL reconstruction using five-strand hamstring autografts with interference screw fixation between December 2014 and June 2016 were included in this study. The five-strand configuration was used in these patients because the four-strand configuration produced a graft diameter of less than 8 mm...
April 4, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29611674/augmented-reality-during-robot-assisted-radical-prostatectomy-expert-robotic-surgeons-on-the-spot-insights-after-live-surgery
#20
Francesco Porpiglia, Riccardo Bertolo, Daniele Amparore, Enrico Checcucci, Walter Artibani, Prokar Dasgupta, Francesco Montorsi, Ashutosh Tewari, Cristian Fiori
3D reconstruction of the standard two-dimension cross-sectional imaging has known increasing diffusion. It may represent one of the key points for a tailored treatment planning. Along these lines, we used a novel software for augmented-reality robot-assisted radical prostatectomy (AR-RARP) at our Institution. 3D virtual models of the prostate and the prostate cancer were reconstructed from high resolution (1-mm slices) multi-parametric Magnetic Resonance Imaging (mp-MRI) by M3dics (Turin, Italy). The innovation in the study is represented by the software-based integration of the virtual model inside the Da Vinci (Intuitive, Sunnyvale, CA, USA) robotic console during robotic prostatectomy...
April 2018: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
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