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https://www.readbyqxmd.com/read/27900308/chronic-knee-extensor-mechanism-lesions-in-total-knee-arthroplasty-a-literature-review
#1
Umberto Cottino, Davide Deledda, Federica Rosso, Davide Blonna, Davide Edoardo Bonasia, Roberto Rossi
Knee extensor mechanism rupture is a serious complication of total knee arthroplasty (TKA). Its prevalence ranges from 1 to 10% and it is commonly observed as a chronic multifactorial pathology with the patellar tendon as the most common site of rupture. Knee extensor mechanism reconstruction can be performed using allogenic or synthetic grafts. In the literature it is still not clear whether one of these techniques is superior to the other and the choice is usually tailored to the patient case by case. Allografts allow better restoration of the anatomical landmarks, whereas the mesh technique is more reproducible and the graft does not elongate over time...
July 2016: Joints
https://www.readbyqxmd.com/read/27893304/blame-it-on-southern-but-it-s-a-western-blot
#2
Daniel J Klionsky
Edwin M. Southern is a professor emeritus at the University of Oxford. He is perhaps best known for development of the "Southern blot" (Dr. Southern was at the University of Edinburgh when he wrote his landmark paper). The Southern blot provided a scientific breakthrough by allowing scientists to detect a particular DNA sequence without first purifying it from the rest of the genome; the basic method involves the transfer of the DNA to a membrane, followed by detection with a specific probe. Although few people perform Southern blots as originally carried out by Southern, due in part to the more recent technique of the polymerase chain reaction, the basic concept continues to play an important role in molecular biology...
November 28, 2016: Autophagy
https://www.readbyqxmd.com/read/27891032/clinical-anatomy-and-significance-of-the-thoracic-intervertebral-foramen-a-cadaveric-study-and-review-of-the-literature
#3
Grigorios Gkasdaris, Grigorios Tripsianis, Konstantinos Kotopoulos, Stylianos Kapetanakis
INTRODUCTION: The literature is lacking information on the anatomy and the osseous dimensions of the thoracic intervertebral foramen (IVF). We describe the anatomy of the broader area, and we proceed with morphometric data of the vertebrae and the foramina. Depiction of these features is provided with imaging and illustrations. The purpose of this paper is to survey and present the anatomy of the foramen as a whole and provide baseline statistical data. MATERIALS AND METHODS: We review relevant literature, and we present data obtained from skeletal samples of known population and sex...
October 2016: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/27890100/sex-and-ancestry-assessment-of-brazilian-crania-using-semi-automatic-mesh-processing-tools
#4
Mikoláš Jurda, Petra Urbanová
The present paper aims to test performances of semi-automatic tools for mesh-to-mesh processing while assessing sex and ancestry in documented human crania. The studied sample of 80 human crania, which originated in two documented Brazilian collections (São Paulo, Brazil) was digitized using photogrammetry and laser scanning. 3D cranial morphology was quantified by computing inter-mesh dissimilarity measures using in-house freeware FIDENTIS Analyst (www.fidentis.com). Numerical outputs were further processed using Discriminant Function Analysis and Canonical Variant Analysis in order to classify models into sex and ancestry groups...
November 2016: Legal Medicine
https://www.readbyqxmd.com/read/27889700/clarence-borel-the-man-behind-the-court-case
#5
Linda Reinstein, Bridget Bersin
Borel v. Fibreboard Paper Products Corporation is the 1973 landmark case that paved the way for successful litigation against the asbestos industry. Clarence Borel's granddaughter shares recollections of the reluctant man behind the court case.
November 25, 2016: New Solutions: a Journal of Environmental and Occupational Health Policy: NS
https://www.readbyqxmd.com/read/27831893/face-alignment-with-deep-regression
#6
Baoguang Shi, Xiang Bai, Wenyu Liu, Jingdong Wang
In this paper, we present a deep regression approach for face alignment. The deep regressor is a neural network that consists of a global layer and multistage local layers. The global layer estimates the initial face shape from the whole image, while the following local layers iteratively update the shape with local image observations. Combining standard derivations and numerical approximations, we make all layers able to backpropagate error differentials, so that we can apply the standard backpropagation to jointly learn the parameters from all layers...
November 1, 2016: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/27824583/joint-head-pose-soft-label-estimation-for-human-recognition-in-the-wild
#7
Hugo Proenca, Joao C Neves, Silvio Barra, Tiago Marques, Juan C Moreno
Soft biometrics have been emerging to complement other traits and are particularly useful for poor quality data. In this paper, we propose an efficient algorithm to estimate human head poses and to infer soft biometric labels based on the 3D morphology of the human head. Starting by considering a set of pose hypotheses, we use a learning set of head shapes synthesized from anthropometric surveys to derive a set of 3D head centroids that constitutes a metric space. Next, representing queries by sets of 2D head landmarks, we use projective geometry techniques to rank efficiently the joint 3D head centroids/pose hypotheses according to their likelihood of matching each query...
December 2016: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/27796921/training-psychiatry-residents-in-professionalism-in-the-digital-world
#8
REVIEW
Nadyah Janine John, P G Shelton, Michael C Lang, Jennifer Ingersoll
Professionalism is an abstract concept which makes it difficult to define, assess and teach. An additional layer of complexity is added when discussing professionalism in the context of digital technology, the internet and social media - the digital world. Current physicians-in-training (residents and fellows) are digital natives having been raised in a digital, media saturated world. Consequently, their use of digital technology and social media has been unconstrained - a reflection of it being integral to their social construct and identity...
October 29, 2016: Psychiatric Quarterly
https://www.readbyqxmd.com/read/27789728/is-preoperative-hypercapnia-a-justified-exclusion-criterion-for-lung-volume-reduction-surgery
#9
Priyadharshanan Ariyaratnam, Peter Tcherveniakov, Richard Milton, Nilanjan Chaudhuri
A best evidence topic in thoracic surgery was written according to a structured protocol. The question addressed was whether potential surgical candidates for lung volume reduction surgery (LVRS), who have preoperative hypercapnia, should be excluded on this basis. Using the reported search, 45 papers were found, of which 14 represented the best evidence to answer the clinical question. The author, journal, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses were tabulated...
October 26, 2016: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/27765878/diagnosing-pediatric-malnutrition-paradigm-shifts-of-etiology-related-definitions-and-appraisal-of-the-indicators
#10
Sandra Bouma
The publication of the landmark paper "Defining Pediatric Malnutrition: A Paradigm Shift Toward Etiology-Related Definitions" launched a new era in diagnosing pediatric malnutrition. This work introduced the paradigm shift of etiology-related definitions-nonillness and illness related-and the use of anthropometric z scores to help identify and describe children with malnutrition (undernutrition) in the developed world. Putting the new definition into practice resulted in some interesting observations: (1) Etiology-related definitions result in etiology-related interventions...
October 20, 2016: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/27763980/three-dimensional-anthropometric-database-of-attractive-caucasian-women-standards-and-comparisons
#11
Luigi Maria Galantucci, Roberto Deli, Alberto Laino, Eliana Di Gioia, Raoul D'Alessio, Fulvio Lavecchia, Gianluca Percoco, Carmela Savastano
The aim of this paper is to develop a database to determine a new biomorphometric standard of attractiveness. Sampling was carried out using noninvasive three-dimensional relief methods to measure the soft tissues of the face. These anthropometric measurements were analyzed to verify the existence of any canons with respect to shape, size, and measurement proportions which proved to be significant with regard to the aesthetics of the face. Finally, the anthropometric parameters obtained were compared with findings described in the international literature...
October 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27757579/age-related-changes-in-the-craniofacial-region-in-a-modern-greek-population-sample-of-known-age-and-sex
#12
Maria-Eleni Chovalopoulou, Andreas Bertsatos, Christina Papageorgopoulou
The aim of this paper is to investigate ageing changes in craniofacial region in both sexes and evaluate whether these shape changes are substantial to achieve age discrimination of samples used in anthropological analyses. The study sample consisted of 157 crania of known sex and age (81 males and 76 females) belonging to individuals who lived in Greece during the twentieth century. The sample was divided in three age groups: young adults (YA, 18-39 years old), middle adults (MA, 40-59 years old) and old adults (OA, >60 years old)...
October 18, 2016: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/27754350/vision-ins-integrated-navigation-system-for-poor-vision-navigation-environments
#13
Youngsun Kim, Dong-Hwan Hwang
In order to improve the performance of an inertial navigation system, many aiding sensors can be used. Among these aiding sensors, a vision sensor is of particular note due to its benefits in terms of weight, cost, and power consumption. This paper proposes an inertial and vision integrated navigation method for poor vision navigation environments. The proposed method uses focal plane measurements of landmarks in order to provide position, velocity and attitude outputs even when the number of landmarks on the focal plane is not enough for navigation...
October 12, 2016: Sensors
https://www.readbyqxmd.com/read/27751787/scientific-profile-of-brain-computer-interfaces-bibliometric-analysis-in-a-10-year-period
#14
Kejia Hu, Chao Chen, Qingyao Meng, Ziv Williams, Wendong Xu
BACKGROUND: With the tremendous advances in the field of brain-computer interfaces (BCI), the literature in this field has grown exponentially; examination of highly cited articles is a tool that can help identify outstanding scientific studies and landmark papers. This study examined the characteristics of 100 highly cited BCI papers over the past 10 years. METHODS: The Web of Science was searched for highly cited papers related to BCI research published from 2006 to 2015...
December 2, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27734558/landmark-papers-in-pediatric-cardiac-anesthesia-documenting-the-history-of-the-specialty
#15
Robert H Friesen
Pediatric cardiac anesthesia has developed over the past eight decades into a specialty delivering complex clinical care and contributing remarkable scientific progress. The history of this development can be traced through journal articles that mark the strides of the specialty. This article discusses journal articles, chosen by the author, that he considers had a significant impact on the practice of pediatric cardiac anesthesia or are of historical interest.
October 13, 2016: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/27713802/the-role-of-voiding-cystourethrography-in-the-investigation-of-children-with-urinary-tract-infections
#16
Linda C Lee, Armando J Lorenzo, Martin A Koyle
Urinary tract infections (UTIs) represent a common bacterial cause of febrile illness in children. Of children presenting with a febrile UTI, 25-40% are found to have vesicoureteral reflux (VUR). Historically, the concern regarding VUR was that it could lead to recurrent pyelonephritis, renal scarring, hypertension, and chronic kidney disease. As a result, many children underwent invasive surgical procedures to correct VUR. We now know that many cases of VUR are low-grade and have a high rate of spontaneous resolution...
May 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/27689133/fuzzy-logic-for-incidence-geometry
#17
Alex Tserkovny
The paper presents a mathematical framework for approximate geometric reasoning with extended objects in the context of Geography, in which all entities and their relationships are described by human language. These entities could be labelled by commonly used names of landmarks, water areas, and so forth. Unlike single points that are given in Cartesian coordinates, these geographic entities are extended in space and often loosely defined, but people easily perform spatial reasoning with extended geographic objects "as if they were points...
2016: TheScientificWorldJournal
https://www.readbyqxmd.com/read/27635789/nasal-endoscopy-an-adjunct-to-patient-selection-for-preoperative-low-dose-ct-examination-in-chronic-rhinosinusitis
#18
Marcin Fraczek, Maciej Guzinski, Monika Morawska-Kochman, Kamil H Nelke, Tomasz Krecicki
OBJECTIVES: The growing awareness of increased X-ray exposure to the public has led to the propagation of several methods for reducing the radiation dose during CT examination. Low-dose CT protocols do not, however, have an established role in pre-operative evaluation. The aim of this article was to assess the usefulness of nasal endoscopy in the selection of patients under pre-operative care for low-dose CT examination. METHODS: A cadaver head was used to discover institutional minimum acceptable CT image quality and scanning settings...
October 17, 2016: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/27634048/the-big-bang-for-modern-glial-biology-translation-and-comments-on-p%C3%A3-o-del-r%C3%A3-o-hortega-1919-series-of-papers-on-microglia
#19
Amanda Sierra, Fernando de Castro, Juan Del Río-Hortega, José Rafael Iglesias-Rozas, Manuel Garrosa, Helmut Kettenmann
The word "glia" was coined in the mid-19th century and defined as "the nerve glue". For decades, it was assumed to be a uniform matrix, until cell theorists raised the "neuron doctrine" which stipulated that nervous tissue was composed of individual cells. The term "astrocytes" was introduced in the late 19th century as a synonym for glial cells, but it was Santiago Ramón y Cajal who defined a "third element" distinct from glial cells (astrocytes) and neurons. It was not until 1919 when Pío del Río-Hortega, an alumnus of the Cajal School, introduced the modern terms we use today, and thoroughly described both "oligodendrocytes" and "microglia" to clearly distinguish them from astrocytes...
November 2016: Glia
https://www.readbyqxmd.com/read/27620846/a-remarkable-achievement-of-integrative-zoology-on-its-10th-anniversary
#20
Yiyu Chen
No abstract text is available yet for this article.
November 2016: Integrative Zoology
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