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https://www.readbyqxmd.com/read/29218287/use-of-forehead-flap-for-nasal-tip-reconstruction-after-traumatic-nasal-amputation
#1
Mohamad Ahmadi Moghadam, Shokofeh Ahmadi Moghadam
Nose is one of the most important aesthetic unit of the face.Management of nasal trauma plays a significant role in the practices of the majority of facial and reconstructive surgeons. Replantation, although technically very challenging, is undoubtedly the procedure of choice following traumatic nasal amputation. Here we present an illustrative case report of the traumatic amputation of a nasal tip that was treated successfully with a paramedian forehead flap and further nasal reconstructive surgery. Use of the forehead flap was performed five hours after the occurrence of trauma and was followed by surgical repair about three weeks later...
September 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/29214509/a-three-dimensional-stereotaxic-atlas-of-the-gray-short-tailed-opossum-monodelphis-domestica-brain
#2
Piotr Majka, Natalia Chlodzinska, Krzysztof Turlejski, Tomasz Banasik, Ruzanna L Djavadian, Władysław P Węglarz, Daniel K Wójcik
The gray short-tailed opossum (Monodelphis domestica) is a small marsupial gaining recognition as a laboratory animal in biomedical research. Despite numerous studies on opossum neuroanatomy, a consistent and comprehensive neuroanatomical reference for this species is still missing. Here we present the first three-dimensional, multimodal atlas of the Monodelphis opossum brain. It is based on four complementary imaging modalities: high resolution ex vivo magnetic resonance images, micro-computed tomography scans of the cranium, images of the face of the cutting block, and series of sections stained with the Nissl method and for myelinated fibers...
December 6, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/29197793/native-plant-amendments-and-topsoil-addition-enhance-soil-function-in-post-mining-arid-grasslands
#3
Tayla Kneller, Richard J Harris, Amber Bateman, Miriam Muñoz-Rojas
One of the most critical challenges faced in restoration of disturbed arid lands is the limited availability of topsoil. In post-mining restoration, alternative soil substrates such as mine waste could be an adequate growth media to alleviate the topsoil deficit, but these materials often lack appropriate soil characteristics to support the development and survival of seedlings. Thus, addition of exogenous organic matter may be essential to enhance plant survival and soil function. Here, we present a case study in the arid Pilbara region (north-west Western Australia), a resource-rich area subject to intensive mining activities...
November 30, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29197075/the-batman-flap-a-novel-technique-to-repair-a-large-central-glabellar-defect
#4
Mario Puviani, Marco Curci
BACKGROUND: Given the critical position of central glabella among the frontal, nasal, and supraorbital aesthetic subunits of the face, the reconstruction of large defects in this area represents a surgical challenge. METHODS: We describe a surgical technique based on a modified, curved, A-T flap to repair a large glabellar defect. RESULTS: Our modification is useful for large glabellar defects because it enables the distribution of the tension all over the reconstruction sides, avoiding a stressed central area and the subsequent risk of necrosis; functionally, it respects the eyebrows position and since the advancement is parallel to their major axes, it avoids the reduction of the distance between them...
December 2, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/29195382/a-dynamic-monitoring-approach-for-the-surface-morphology-evolution-measurement-of-plasma-facing-components-by-means-of-speckle-interferometry
#5
Hongbei Wang, Xiaoqian Cui, Chunlei Feng, Yuanbo Li, Mengge Zhao, Guangnan Luo, Hongbin Ding
Plasma Facing Components (PFCs) in a magnetically confined fusion plasma device will be exposed to high heat load and particle fluxes, and it would cause PFCs' surface morphology to change due to material erosion and redeposition from plasma wall interactions. The state of PFCs' surface condition will seriously affect the performance of long-pulse or steady state plasma discharge in a tokamak; it will even constitute an enormous threat to the operation and the safety of fusion plasma devices. The PFCs' surface morphology evolution measurement could provide important information about PFCs' real-time status or damage situation and it would help to a better understanding of the plasma wall interaction process and mechanism...
November 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/29193942/-perioperative-management-protocol-of-patients-undergoing-microsurgical-flaps-in-main-healthcare-centers
#6
Alejandro Cruz-Segura, Pedro Grajeda-López
Microsurgery is one of the most fertile and innovative area in reconstructive surgery. Today it is considered an indispensable technique in plastic surgery with flaps survival rates over 95% in main healthcare centers. The factors involved in achieving these results are: the improvement of the surgical technique, adequate patient selection and careful perioperative care. Perioperative care starts at the initial assessment of the patient where it's very important to consider the indications and contraindications of these procedures...
September 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/29192169/face-dependence-of-schottky-barriers-heights-of-silicides-and-germanides-on-si-and-ge
#7
Hongfei Li, Yuzheng Guo, John Robertson
Density functional supercell calculations of the Schottky barrier heights (SBH) of metal germanides and silicides on Si or Ge find that these vary with the facet, unlike those of elemental metals. In addition, silicides and germanides show a stronger dependence of their SBHs on the work function than those of elemental metals, as seen experimentally. Both effects are beyond the standard metal induced gap states model. NiSi2 is found to have a much lower SBH on n-Si(100) than on n-Si(111), as seen experimentally...
November 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29171683/ptychographic-x-ray-imaging-of-colloidal-crystals
#8
Sergey Lazarev, Ilya Besedin, Alexey V Zozulya, Janne-Mieke Meijer, Dmitry Dzhigaev, Oleg Yu Gorobtsov, Ruslan P Kurta, Max Rose, Anatoly G Shabalin, Elena A Sulyanova, IvanA Zaluzhnyy, Alexey P Menushenkov, Michael Sprung, Andrei V Petukhov, Ivan A Vartanyants
Ptychographic coherent X-ray imaging is applied to obtain a projection of the electron density of colloidal crystals, which are promising nanoscale materials for optoelectronic applications and important model systems. Using the incident X-ray wavefield reconstructed by mixed states approach, a high resolution and high contrast image of the colloidal crystal structure is obtained by ptychography. The reconstructed colloidal crystal reveals domain structure with an average domain size of about 2 µm. Comparison of the domains formed by the basic close-packed structures, allows us to conclude on the absence of pure hexagonal close-packed domains and confirms the presence of random hexagonal close-packed layers with predominantly face-centered cubic structure within the analyzed part of the colloidal crystal film...
November 24, 2017: Small
https://www.readbyqxmd.com/read/29171161/negative-pressure-wound-therapy-in-complex-cranio-maxillofacial-and-cervical-wounds
#9
Giorgio Novelli, Francesco Daleffe, Gisella Birra, Gabriele Canzi, Fabio Mazzoleni, Pietro Boni, Clara Maino, Carlo Giussani, Davide Sozzi, Alberto Bozzetti
The care and the management of the healing of difficult wounds at the level of the skull-facial face many problems related to patient compliance and the need to perform multiple dressings, with long periods of healing and, occasionally, a very long hospitalisation period. The introduction and evolution of negative pressure wound therapy (NPWT) in the treatment of difficult wounds has resulted in better healing, with a drastic reduction in terms of time and biological costs to the patient and cost to the health care system...
November 23, 2017: International Wound Journal
https://www.readbyqxmd.com/read/29166343/prepectoral-breast-reconstruction-in-challenging-patients
#10
Allen Gabriel, G Patrick Maxwell
Implant-based reconstructions continue to remain on the forefront of breast reconstruction as the prepectoral approach gains popularity. This article reviews the challenging patients that surgeons face when evaluating their candidacy for prepectoral reconstruction. The prepectoral approach for thin, high body mass index and previously radiated patients will be reviewed.
December 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29164552/-the-application-of-grief-theories-to-bereaved-family-members
#11
Lee-Jen Suen Wu, Chuan-Chiang Chou, Yen-Chun Lin
Loss is an inevitable experience for humans for which grief is a natural response. Nurses must have an adequate understanding of grief and bereavement in order to be more sensitive to these painful emotions and to provide appropriate care to families who have lost someone they love deeply. This article introduces four important grief theories: Freud's grief theory, Bowlby's attachment theory, Stroebe and Schuts' dual process model, and Neiyemer's meaning reconstruction model. Freud's grief theory holds that the process of grief adaptation involves a bereaved family adopting alternative ways to connect with the death of a loved one and to restore their self-ego...
December 2017: Hu Li za Zhi the Journal of Nursing
https://www.readbyqxmd.com/read/29164368/3d-reconstruction-of-endoplasmic-reticulum-in-a-hydrocarbon-secreting-green-alga-botryococcus-braunii-race-b
#12
Reiko Suzuki, Ichiro Nishii, Shigeru Okada, Tetsuko Noguchi
Based on 3D sections through cells of Botryococcus braunii, the structure of three domains of endoplasmic reticulum, and their spatial and functional relationships to other organelles are clarified. Oil production by photosynthetic microalgae has attracted attention since these oils can be converted into renewable, carbon-neutral fuels. The green alga B. braunii accumulates large amounts of hydrocarbons, 30-50% of cell dry weight, in extracellular spaces rather than its cytoplasm. To advance the knowledge of hydrocarbon biosynthesis and transport pathways in this alga, we utilized transmission EM combined with rapid freezing and image reconstruction...
November 22, 2017: Planta
https://www.readbyqxmd.com/read/29162071/acceptability-of-a-digital-health-intervention-alongside-physiotherapy-to-support-patients-following-anterior-cruciate-ligament-reconstruction
#13
Emma Dunphy, Fiona L Hamilton, Irena Spasić, Kate Button
BACKGROUND: Physiotherapy rehabilitation following surgical reconstruction to the Anterior Cruciate Ligament (ACL) can take up to 12 months to complete. Given the lengthy rehabilitation process, a blended intervention can be used to compliment face-to-face physiotherapy with a digital exercise intervention. In this study, we used TRAK, a web-based tool that has been developed to support knee rehabilitation, which provides individually tailored exercise programs with videos, instructions and progress logs for each exercise, relevant health information and a contact option that allows a patient to email a physiotherapist for additional support...
November 21, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29160569/reconstruction-of-bladder-function-and-prevention-of-renal-deterioration-by-means-of-end-to-side-neurorrhaphy-in-rats-with-neurogenic-bladder
#14
Yun Long Li, Jian Jun Wen, Yi Bo Wen, Xiang Fei He, Jun Wei Wu, Yan Wei Li, Zhong Jiang Han, Jin Jin Feng, Shao Hua Yan, Shou Lin Li, John Pfa Heesakkers, Wan Sheng Gao, Jian Guo Wen
AIMS: To investigate the feasibility of restoring bladder function and prevention of renal deterioration by neurorrhaphy in rats with neurogenic bladder (NB). METHODS: Forty-two rats were assigned to the end-to-side nerve coaptation group (ECG, n = 16), no nerve coaptation group (NCG, n = 16), and control group (CG, n = 10). In the ECG, the left ventral root (VR) and dorsal root (DR) of L6 and S1 were transected, and the distal stump of L6VR was sutured to the lateral face of L4VR...
November 21, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29160155/design-and-manufacturing-ofpatient-specific-orthodonticappliances-by-computer-aided-engineering-techniques
#15
Sandro Barone, Paolo Neri, Alessandro Paoli, Armando Viviano Razionale
Orthodontic treatments are usually performed using fixed brackets or removable oral appliances, which are traditionally made from alginate impressions and wax registrations. Among removable devices, eruption guidance appliances are used for early orthodontic treatments in order to intercept and prevent malocclusion problems. Commercially available eruption guidance appliances, however, are symmetric devices produced using a few standard sizes. For this reason, they are not able to meet all the specific patient's needs since the actual dental anatomies present various geometries and asymmetric conditions...
November 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/29153902/robotic-buccal-mucosal-graft-ureteroplasty-for-complex-ureteral-stricture
#16
Sohrab Arora, Logan Campbell, Mouafak Tourojman, Daniel Pucheril, Lamont R Jones, Craig Rogers
OBJECTIVE: To demonstrate robot-assisted ureterolysis and buccal mucosal graft (BMG) ureteroplasty for the management of a complex, long recurrent ureteral stricture developing after ureterolysis, and also to demonstrate the use of near-infrared fluorescence (NIRF) imaging and intraoperative ureteroscopy during this procedure. METHODS: A 58-year-old man with a history of cabergoline treatment and a cardiac catheterization through the left groin presented with left flank pain and hydronephrosis...
December 2017: Urology
https://www.readbyqxmd.com/read/29153622/en-face-oct-reconstruction-in-stargadt-disease
#17
J Ferreiro Lopez, M C Garcia-Saenz, C Del Prado Sánchez
No abstract text is available yet for this article.
November 15, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/29153402/phylogenetics-and-phylogenomics-of-rust-fungi
#18
M Catherine Aime, Alistair R McTaggart, Stephen J Mondo, Sébastien Duplessis
Rust fungi (Pucciniales) are the most speciose and the most complex group of plant pathogens. Historically, rust taxonomy was largely influenced by host and phenotypic characters, which are potentially plastic. Molecular systematic studies suggest that the extant diversity of this group was largely shaped by host jumps and subsequent shifts. However, it has been challenging to reconstruct the evolutionary history for the order, especially at deeper (family-level) nodes. Phylogenomics offer a potentially powerful tool to reconstruct the Pucciniales tree of life, although researchers working at this vanguard still face unprecedented challenges working with nonculturable organisms that possess some of the largest and most repetitive genomes now known in kingdom fungi...
2017: Advances in Genetics
https://www.readbyqxmd.com/read/29149542/spectrally-encoded-coherence-tomography-and-reflectometry-sectr-simultaneous-en-face-and-cross-sectional-imaging-at-2-gigapixels-per-second
#19
Mohamed T El-Haddad, Ivan Bozic, Yuankai K Tao
Non-invasive biological imaging is crucial for understanding in vivo structure and function. Optical coherence tomography (OCT) and reflectance confocal microscopy are two of the most widely used optical modalities for exogenous contrast-free high-resolution three-dimensional imaging in non-fluorescent scattering tissues. However, sample motion remains a critical barrier to raster-scanned acquisition and reconstruction of wide-field anatomically accurate volumetric datasets. We introduce spectrally encoded coherence tomography and reflectometry (SECTR), a high-speed multimodality system for simultaneous OCT and spectrally-encoded reflectance (SER) imaging...
November 17, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/29143481/decisional-regret-and-choice-of-breast-reconstruction-following-mastectomy-for-breast-cancer-a-systematic-review
#20
REVIEW
Kathy Flitcroft, Meagan Brennan, Andrew Spillane
OBJECTIVE: Women facing mastectomy for breast cancer should have the option of considering whether they would like breast reconstruction (BR), and if so, what type and when. Previous research has demonstrated some women will come to regret their decision about BR. We aim to summarise the evidence about the prevalence of decisional regret (DR) associated with BR choices and identify factors influencing vulnerability to DR. METHODS: A systematic review of the literature reporting BR-related DR published between January 1994 and February 2017 identified 254 initial search results...
November 16, 2017: Psycho-oncology
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