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https://www.readbyqxmd.com/read/28545600/hydrocarbon-assessment-and-prediction-due-to-the-gulf-war-oil-disaster-north-kuwait
#1
Yohannes Yihdego, Radwan A Al-Weshah
  Oil spill in the Gulf was the biggest disaster in history. The scale of damage was enormous, ranging from destruction caused by oil fires and oil spills, to economic decline for the Kuwaiti oil industry. The transport modelling of the freshwater aquifers in north Kuwait was undertaken to assess potential remediation scenarios using the MODFLOW-SURFACT numerical code. Three interlinked models were calibrated: flow, density (salinity), and transport. The model domain is a subregional area encompassing the Al-Raudhatain and Umm Al-Aish Basins...
June 1, 2017: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/28543777/efficacy-and-safety-of-non-invasive-body-tightening-with-high-intensity-focused-ultrasound-hifu
#2
E J Ko, J Y Hong, T-R Kwon, E J Choi, Y-J Jang, S Y Choi, K H Yoo, S Y Kim, B J Kim
BACKGROUND: Noninvasive skin-tightening devices have become increasingly popular in response to increasing demand for improvements in skin laxity and tightening with minimal risk and recovery time. OBJECTIVE: We evaluated the efficacy and safety of HIFU for skin tightening in the face and body. METHODS: A total of 32 Korean subjects enrolled in this prospective clinical trial. The subjects were treated with HIFU to both cheeks, lower abdomen, and thigh...
May 22, 2017: Skin Research and Technology
https://www.readbyqxmd.com/read/28542544/development-and-characterization-of-an-experimental-model-of-diet-induced-metabolic-syndrome-in-rabbit
#3
Oscar Julián Arias-Mutis, Vannina G Marrachelli, Amparo Ruiz-Saurí, Antonio Alberola, Jose Manuel Morales, Luis Such-Miquel, Daniel Monleon, Francisco J Chorro, Luis Such, Manuel Zarzoso
Metabolic syndrome (MetS) has become one of the main concerns for public health because of its link to cardiovascular disease. Murine models have been used to study the effect of MetS on the cardiovascular system, but they have limitations for studying cardiac electrophysiology. In contrast, the rabbit cardiac electrophysiology is similar to human, but a detailed characterization of the different components of MetS in this animal is still needed. Our objective was to develop and characterize a diet-induced experimental model of MetS that allows the study of cardiovascular remodeling and arrhythmogenesis...
2017: PloS One
https://www.readbyqxmd.com/read/28538559/a-review-of-101-consecutive-subcutaneous-mastectomies-and-male-chest-contouring-using-the-concentric-circular-and-free-nipple-graft-techniques-in-female-to-male-transgender-patients
#4
Aaron D C Knox, Adelyn L Ho, Leslie Leung, Sally Hynes, A Yashar Tashakkor, Yoon Soo Park, Sheina A Macadam, Cameron C Bowman
BACKGROUND: Many techniques exist for subcutaneous mastectomy in female-to-male transgender patients. The authors review outcomes for two techniques and present an algorithm to aid surgeons in technique selection. METHODS: One hundred one consecutive female-to-male transgender patients undergoing subcutaneous mastectomy using the concentric circular or free nipple graft technique were retrospectively reviewed. An algorithm for procedure selection was created using classification and regression tree analysis...
June 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28536946/determinants-of-the-biomechanical-and-radiological-outcome-of-surgical-correction-of-adolescent-idiopathic-scoliosis-surgery-the-role-of-rod-properties-and-patient-characteristics
#5
Fabrizio Giudici, Fabio Galbusera, Antonino Zagra, Hans-Joachim Wilke, Marino Archetti, Laura Scaramuzzo
PURPOSE: Aim of the study was to evaluate the role of the mechanical properties of the rod and of the characteristics of the patients (age, skeletal maturity, BMI, and Lenke type) in determining the deformity correction, its maintenance over time and the risk of mechanical failure of the instrumentation. METHODS: From March 2011 to December 2014 120 patients affected by AIS underwent posterior instrumented fusion. Two 5.5-mm CoCr rods were implanted in all patients...
May 23, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28508877/an-overview-of-female-to-male-gender-confirming-surgery
#6
REVIEW
Shane D Morrison, Mang L Chen, Curtis N Crane
Gender dysphoria is estimated to occur in approximately 25 million people worldwide, and can have severe psychosocial sequelae. Medical and surgical gender transition can substantially improve quality-of-life outcomes for individuals with gender dysphoria. Individuals seeking to undergo female-to-male (FtM) transition have various surgical options available for gender confirmation, including facial and chest masculinization, body contouring, and genital surgery. The World Professional Association for Transgender Health guidelines should be met before the patient undergoes surgery, to ensure that gender-confirming surgery is appropriate and indicated...
May 16, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28493295/towards-ultrasound-guided-adaptive-radiotherapy-for-cervical-cancer-evaluation-of-elekta-s-semi-automated-uterine-segmentation-method-on-3d-ultrasound-images
#7
Sarah A Mason, Tuathan P O'Shea, Ingrid M White, Susan Lalondrelle, Kate Downey, Mariwan Baker, Claus F Behrens, Jeffrey C Bamber, Emma J Harris
PURPOSE: 3D ultrasound (US) images of the uterus may be used to adapt radiotherapy (RT) for cervical cancer patients based on changes in daily anatomy. This requires accurate on-line segmentation of the uterus. The aim of this work was to assess the accuracy of Elekta's "Assisted Gyne Segmentation" (AGS) algorithm in semi-automatically segmenting the uterus on 3D transabdominal ultrasound images by comparison with manual contours. MATERIALS & METHODS: Nine patients receiving RT for cervical cancer were imaged with the 3D Clarity(®) transabdominal probe at RT planning, and 1 to 7 times during treatment...
May 10, 2017: Medical Physics
https://www.readbyqxmd.com/read/28491272/sensitivity-to-nonaccidental-configurations-of-two-line-stimuli
#8
Jonas Kubilius, Charlotte Sleurs, Johan Wagemans
According to Recognition-By-Components theory, object recognition relies on a specific subset of three-dimensional shapes called geons. In particular, these configurations constitute a powerful cue to three-dimensional object reconstruction because their two-dimensional projection remains viewpoint-invariant. While a large body of literature has demonstrated sensitivity to changes in these so-called nonaccidental configurations, it remains unclear what information is used in establishing such sensitivity. In this study, we explored the possibility that nonaccidental configurations can already be inferred from the basic constituents of objects, namely, their edges...
March 2017: I-Perception
https://www.readbyqxmd.com/read/28490980/sbrt-planning-for-liver-metastases-a-focus-on-immobilization-motion-management-and-planning-imaging-techniques
#9
Olivier Riou, Carmen Llacer Moscardo, Pascal Fenoglietto, Emmanuel Deshayes, Raphaël Tetreau, Jessica Molinier, Alexis Lenglet, Eric Assenat, Marc Ychou, Boris Guiu, Norbert Aillères, Ludovic Bedos, David Azria
AIM: To evaluate the different techniques used for liver metastases Stereotactic Body Radiation Therapy (SBRT) planning. We especially focused on immobilization devices, motion management and imaging used for contouring. BACKGROUND: Although some guidelines exist, there is no consensus regarding the minimal requirements for liver SBRT treatments. MATERIALS AND METHODS: We reviewed the main liver metastases SBRT publications and guidelines; and compared the techniques used for immobilization, motion management, margins and imaging...
March 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/28481757/vermillion-reconstruction-with-anal-verge-transitional-epithelium-turning-things-upside-down
#10
Benjamin Levi, Joseph A Ricci, Matthias B Donelan
Postburn lip deformities pose a significant set of challenges to reconstructive burn surgeons because of the complex anatomy, diverse functions, and specialized nature of the lip tissues. There has been a paucity of literature on restoration of the vermillion to date. The authors report on two patients who suffered burn injuries resulting in significant lip deformities who underwent a novel method of vermillion reconstruction with a full thickness anal verge skin graft. Both patients tolerated the procedure well without complications...
May 4, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28468174/the-strategy-of-delayed-reconstruction-of-the-mandible-in-war-injuries
#11
Firas Taha Ahmed, Marwa Turkey Aljeuary
The most common causes of mandibular defects are ablative surgery of benign or malignant tumors, severe trauma, inflammatory diseases, and osteoradionecrosis. War injuries are another cause for mandibular defect. Reconstruction of the mandible is considered a challenge to the maxillofacial surgeon due to the accompanying functional and cosmetic importance. The object of this article was to show the role of nonvascularized bone graft in the reconstruction of segmental defect of the mandible resulted from projectiles and its snags...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28468143/cephalometric-analysis-of-modifications-of-the-mandible-due-to-reduction-mandibuloplasty-in-patients-with-prominent-mandibular-angle
#12
Guoping Wu, Minkai Xie, Chunbing Hu, Bin Zhou, Hao Dai, Wenwen Zhang
Cephalometry has been used to measure hard and soft facial tissues as well as to conduct the ostectomy to determine the characteristics of the prominent mandibular angles (PMA). The changes produced on the mandibles by reduction mandibuloplasty are not known. The objective of the present study was to identify by cephalometric analysis the anatomical changes of the mandibles that occur in patients with PMA after reduction mandibuloplasty. Forty-two patients with PMA were submitted to cephalometric analysis before, 1 week and 6 months after surgery to evaluate the changes of the mandibles produced by reduction mandibuloplasty...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28466154/spinal-cord-constraints-in-the-era-of-high-precision-radiotherapy-retrospective-analysis-of-62%C3%A2-spinal-paraspinal-lesions-with-possible-infringements-of-spinal-cord-constraints-within-a%C3%A2-minimal-volume
#13
Sebastian Zschaeck, Peter Wust, Reinhold Graf, Waldemar Wlodarczyk, Reinhard Schild, Alexander Henry Thieme, Mirko Weihrauch, Volker Budach, Pirus Ghadjar
OBJECTIVE: Current constraints aim to minimize the risk of radiation myelitis by the use of restrictive maximal spinal cord doses, commonly 50 Gy. However, several studies suggested that a dose-volume effect could exist. Based on these observations, we evaluated patients receiving potentially excessive doses to the spinal cord within minimal volumes. PATIENTS AND METHODS: Patients receiving radiotherapy between June 2010 and May 2015 using the Novalis(TM) (Varian, Palo Alto, CA, USA; Brainlab, Heimstetten, Germany) radiosurgery system were retrospectively analyzed...
May 2, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28458771/body-contouring-and-skin-tightening-using-a-unique-novel-multisource-radiofrequency-energy-delivery-method
#14
Isabelle Rousseaux, Sam Robson
Objective: The objective of this study was to examine the efficacy and safety of the latest multisource radiofrequency handpiece, specially designed for body area skin treatments. The new handpiece features six concentric electrodes, each connected to an independently controlled radiofrequency generator. Design and settings: This was an international multicenter study across two sites. Twenty-five patients were enrolled into the study. Patients underwent at least five sessions of body skin tightening and circumference reduction...
April 2017: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/28457741/commissioning-of-applicator-guided-stereotactic-body-radiation-therapy-boost-with-high-dose-rate-brachytherapy-for-advanced-cervical-cancer-using-radiochromic-film-dosimetry
#15
Saad Aldelaijan, Shada Wadi-Ramahi, Ahmad Nobah, Belal Moftah, Slobodan Devic, Noha Jastaniyah
PURPOSE: To describe an EBT3 GAFCHROMIC film-based dosimetry method to be used in commissioning of a combined HDR brachytherapy (HDRB) and stereotactic body radiation therapy (SBRT) boost for treatment of advanced cervical cancer involving extensive residual disease after external beam treatment. METHODS AND MATERIALS: A cube phantom was designed to firmly fit an intrauterine tandem applicator and EBT3 radiochromic film pieces. A high-risk clinical target volume (CTVHR, Total) was contoured with an extended arm at one side...
April 27, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28457265/anatomic-landmarks-and-availability-of-bone-for-placement-of-orthodontic-mini-implants-for-normal-and-short-maxillary-body-lengths
#16
Jan Hourfar, Dirk Bister, Christopher J Lux, Bouthayna Al-Tamimi, Björn Ludwig
INTRODUCTION: Increasing numbers of orthodontic mini-implants are placed in the anterior maxilla. To our knowledge, bone levels and root proximity of patients with cephalometrically short maxillae have not been investigated before. The first, second, and third rugae were used as clinical reference lines, and the aim of this study was to measure bone availability in that area by comparing patients with short and normal maxillary body lengths. METHODS: The sample consisted of 21 patients in each group: short maxillary body length and normal maxillary body length...
May 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28454280/imaging-findings-of-extraventricular-choroid-plexus-papillomas-a-study-of-10-cases
#17
Yuzhen Shi, Xiaoshuang Li, Xiao Chen, Yiming Xu, Genji Bo, Hao Zhou, Yongkang Liu, Guoxing Zhou, Zhongqiu Wang
Extraventricular choroid plexus papillomas (CPPs) are rare. In this study, we reveal the imaging findings of CPPs located in extraventricular sites. The imaging findings of 11 masses [10 masses on magnetic resonance imaging (MRI) and one mass on computed tomography (CT)] of extraventricular CPP in 10 patients were retrospectively observed. The mass site, size, contour, signal intensity, cystic or solid appearance, calcification, capsules, degree and pattern of enhancement, and hydrocephalus were evaluated based on CT or MRI...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28453566/flylimbtracker-an-active-contour-based-approach-for-leg-segment-tracking-in-unmarked-freely-behaving-drosophila
#18
Virginie Uhlmann, Pavan Ramdya, Ricard Delgado-Gonzalo, Richard Benton, Michael Unser
Understanding the biological underpinnings of movement and action requires the development of tools for quantitative measurements of animal behavior. Drosophila melanogaster provides an ideal model for developing such tools: the fly has unparalleled genetic accessibility and depends on a relatively compact nervous system to generate sophisticated limbed behaviors including walking, reaching, grooming, courtship, and boxing. Here we describe a method that uses active contours to semi-automatically track body and leg segments from video image sequences of unmarked, freely behaving D...
2017: PloS One
https://www.readbyqxmd.com/read/28453537/an-efficient-and-robust-mri-guided-radiotherapy-planning-approach-for-targeting-abdominal-organs-and-tumours-in-the-mouse
#19
Veerle Kersemans, John S Beech, Stuart Gilchrist, Paul Kinchesh, Philip D Allen, James Thompson, Ana L Gomes, Zenobia D'Costa, Luke Bird, Iain D C Tullis, Robert G Newman, Aurelien Corroyer-Dulmont, Nadia Falzone, Abul Azad, Katherine A Vallis, Owen J Sansom, Ruth J Muschel, Borivoj Vojnovic, Mark A Hill, Emmanouil Fokas, Sean C Smart
INTRODUCTION: Preclinical CT-guided radiotherapy platforms are increasingly used but the CT images are characterized by poor soft tissue contrast. The aim of this study was to develop a robust and accurate method of MRI-guided radiotherapy (MR-IGRT) delivery to abdominal targets in the mouse. METHODS: A multimodality cradle was developed for providing subject immobilisation and its performance was evaluated. Whilst CT was still used for dose calculations, target identification was based on MRI...
2017: PloS One
https://www.readbyqxmd.com/read/28452834/impact-of-body-contouring-procedures-on-post-bariatric-surgery-weight-loss
#20
Turkia M Abbed, Raquel Gonzalez-Heredia, Lisa Sanchez-Johnsen, Enrique F Elli, Mimis N Cohen
BACKGROUND: Abdominal lipectomy after bariatric surgery is recommended because of residual excess skin resulting in difficulty with maintaining hygiene, recurrent infections, and functional impairment, interfering with daily activities. There is a dearth of literature examining weight loss outcomes in patients undergoing abdominal lipectomy post sleeve gastrectomy (SG). The purpose of this study was to examine whether post-SG patients who received abdominal lipectomy achieved greater percent excess weight loss (%EWL) than post-SG patients who did not receive abdominal lipectomy...
April 27, 2017: Annals of Plastic Surgery
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