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https://www.readbyqxmd.com/read/29147104/predictors-of-intraocular-pressure-after-phacoemulsification-in-primary-open-angle-glaucoma-eyes-with-wide-versus-narrower-angles-an-american-ophthalmological-society-thesis
#1
Shan C Lin, Marisse Masis, Travis C Porco, Louis R Pasquale
Purpose: To assess if narrower-angle status and anterior segment optical coherence tomography (AS-OCT) parameters can predict intraocular pressure (IOP) drop in primary open-angle glaucoma (POAG) patients after cataract surgery. Methods: This was a prospective case series of consecutive cataract surgery patients with POAG and no peripheral anterior synechiae (PAS) using a standardized postoperative management protocol. Preoperatively, patients underwent gonioscopy and AS-OCT...
August 2017: Transactions of the American Ophthalmological Society
https://www.readbyqxmd.com/read/29146284/supervised-learning-techniques-and-their-ability-to-classify-a-change-of-direction-task-strategy-using-kinematic-and-kinetic-features
#2
Chris Richter, Enda King, Eanna Falvey, Andrew Franklyn-Miller
This study examines the ability of commonly used supervised learning techniques to classify the execution of a maximum effort change of direction task into predefined movement pattern as well as the influence of fuzzy executions and the impact of selected features (e.g. peak knee flexion) towards classification accuracy. The experiment utilized kinematic and kinetic data from 323 male subjects with chronic athletic groin pain. All subjects undertook a biomechanical assessment and had been divided previously into 3 different movement strategies in an earlier paper...
October 31, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29145961/vertical-femoral-neck-fractures-in-young-adults-a-closed-fixation-strategy-using-a-transverse-cancellous-lag-screw
#3
João Antonio Matheus Guimarães, Leonardo Rosa Rocha, Tito Henrique Noronha Rocha, Danielle Cabral Bonfim, Rafaela Sartore da Costa, Amanda Dos Santos Cavalcanti, Carlos Rodrigo Roesler, Jamila Alessandra Perini Machado, Diego Pinheiro Aguiar, Maria Eugenia Leite Duarte
Vertical femoral neck fractures (Pauwels type III classification) in young adults generally occur as a consequence of high-energy trauma and are frequently seen in association with multiple injuries. Considering the controversies regarding the optimal fixation for this fracture, our aim was to evaluate the clinical outcome of a closed fixation strategy for vertical femoral neck fractures in young adults using two parallel and one transverse cancellous lag screws. This was a single-surgeon, prospective study including 20 young adults with average age of 38...
October 2017: Injury
https://www.readbyqxmd.com/read/29145570/tooth-wear-and-gingival-recession-in-210-orthodontically-treated-patients-a-retrospective-cohort-study
#4
Marco Mijuskovic, Meret C Gebistorf, Nikolaos Pandis, Anne M Renkema, Piotr S Fudalej
Aim: To assess the association between tooth wear (TW) and gingival recession (GR). Materials and Methods: Two hundred and ten orthodontically treated participants (100 males) were evaluated. GR and TW were rated independently by four raters on plaster models at four time points: before treatment (T1), mean age 13.8 years (SD = 3.7); after treatment (T2), mean age 16.7 years (SD = 3.9); 3 years after treatment (T3), mean age 19.7 years (SD = 4.2); and 7 years after treatment (T4), mean age 23...
November 14, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/29144567/reliable-recognition-of-lying-sitting-and-standing-with-a-hip-worn-accelerometer
#5
Henri Vähä-Ypyä, Pauliina Husu, Jaana Suni, Tommi Vasankari, Harri Sievänen
Hip-worn accelerometers are widely used to estimate physical activity (PA), but the accuracy of acceleration-threshold based analysis is compromised when it comes to identifying stationary and sedentary behaviors, let alone classifying body postures into lying, sitting or standing. The purpose of this study was to devise a novel method for accurate classification of body posture using triaxial data from hip-worn accelerometer and to evaluate its performance in free-living conditions against a thigh-worn accelerometer...
November 16, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29141615/kinematic-characterization-of-clinically-observed-aberrant-movement-patterns-in-patients-with-non-specific-low-back-pain-a-cross-sectional-study
#6
Peemongkon Wattananon, David Ebaugh, Scott A Biely, Susan S Smith, Gregory E Hicks, Sheri P Silfies
BACKGROUND: Clinical observation of aberrant movement patterns during active forward bending is one criterion used to identify patients with non-specific low back pain suspected to have movement coordination impairment. The purpose of this study was to describe and quantify kinematic patterns of the pelvis and trunk using a dynamics systems approach, and determine agreement between clinical observation and kinematic classification. METHOD: Ninety-eight subjects performed repeated forward bending with clinical observation and kinematic data simultaneously collected...
November 15, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29140159/athletes-rated-as-poor-single-leg-squat-performers-display-measureable-differences-in-single-leg-squat-biomechanics-compared-to-good-performers
#7
Lachlan E Garrick, Bryce C Alexander, Anthony G Schache, Marcus G Pandy, Kay M Crossley, Natalie J Collins
CONTEXT: It is important to validate single-leg squat visual rating criteria used in clinical practice and research. Foot orthoses may improve single-leg squat performance in those who demonstrate biomechanics associated with increased risk of lower-limb injury. OBJECTIVE: Validate visual rating criteria proposed by Crossley et al, by determining whether athletes rated as poor single-leg squat performers display different single-leg squat biomechanics than good performers; and evaluate immediate effects of foot orthoses on single-leg squat biomechanics in poor performers...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29128688/classification-and-analysis-of-the-natural-corner-curving-motion-of-humans-based-on-gait-motion
#8
Yasuhiro Akiyama, Hitoshi Toda, Takao Ogura, Shogo Okamoto, Yoji Yamada
The curving motion of the human body is more complex than gait motion for straight walking. In particular, when human can freely curve corners, the gait motion varies among and even within individuals. However, is it not possible to classify natural curving motion using a statistical method? This study investigates the natural curving motion, encompassing various walking paths selected by subjects, as opposed to previous studies that focused on specific stepping strategies or curving motion under precisely controlled conditions...
October 9, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29125399/an-analysis-of-variables-affecting-the-duration-of-pavlik-harness-treatment-is-it-possible-to-predict-the-duration-of-treatment
#9
Ahmet Salduz, Mehmet Demirel, Turgut Akgül, Fuat Bilgili
BACKGROUND: Pavlik harness is the initial treatment for the infants with developmental dysplasia of the hip who have not yet begun walking. OBJECTIVES: The present study evaluates the variables which affect the duration of PH treatment for patients successfully treated. STUDY DESIGN: Cross-sectional study. METHODS: Pavlik harness was employed for 140 hips of 87 patients with developmental dysplasia of the hip in our institution between 2010 and 2013...
November 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/29118445/large-area-imaging-of-forensic-evidence-with-ma-xrf
#10
Kirsten Langstraat, Alwin Knijnenberg, Gerda Edelman, Linda van de Merwe, Annelies van Loon, Joris Dik, Arian van Asten
This study introduces the use of macroscopic X-ray fluorescence (MA-XRF) for the detection, classification and imaging of forensic traces over large object areas such as entire pieces of clothing and wall paneling. MA-XRF was sufficiently sensitive and selective to detect human biological traces like blood, semen, saliva, sweat and urine on fabric on the basis of Fe, Zn, K, Cl and Ca elemental signatures. With MA-XRF a new chemical contrast is introduced for human stain detection and this can provide a valuable alternative when the evidence item is challenging for conventional techniques...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29109317/prevalence-of-dental-malocclusions-in-patients-admitted-to-the-department-of-orthodontics-school-of-dentistry-tabriz-in-2016
#11
Mohammad H Ahangar-Atashi, Fatemeh Dabaghi-Tabriz, Sina Ahangar-Atashi, Mahdi Rahbar
AIM: This study is aimed at investigating the prevalence of disorders among patients referred to Tabriz Dental School in 2016. MATERIALS AND METHODS: This research was conducted in a cross-section method and taken from all patients admitted during this period. Classification of dental occlusion in patients was based on Angle's definition, skeletal classification was based on Steiner's analysis, and overjet and overbite values and other patient-related information were imported from the records in the extractive sector and in specific forms...
November 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29104819/significance-of-scapholunate-gap-width-as-measured-by-probe-from-midcarpal
#12
Steffen Löw, Holger Erne, Ute Strobl, Frank Unglaub, Christian K Spies
Background  Geissler's classification is widely accepted in arthroscopic diagnostics of scapholunate (SL) ligament injury. Thereby, probe insertion into the SL gap from the midcarpal would indicate treatment necessity in patients with SL tear as seen from radiocarpal view. Purpose  In this review, the SL gap width, examined by the probe from midcarpal, was arthroscopically assessed in patients with intact SL ligaments, who were treated for ulnar impaction syndrome. The review examined how often lax SL joints can be found in patients with no complaints with respect to the SL ligaments and in which the SL ligaments were proven to be intact from radiocarpal view...
November 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/29103058/diagnosis-and-classification-of-female-stress-urinary-incontinence-by-transperineal-two-dimensional-ultrasound
#13
Yan-Qing Li, Jing Geng, Cheng Tan, Jun Tang, Xin Yang
OBJECTIVE: This study was designed to evaluate the significance of transperineal two-dimensional ultrasound in the diagnosis and classification of female stress urinary incontinence (SUI). METHODS: A total of 87 preoperative SUI patients (group A) from the Department of Gynecology of Peking University People's Hospital were included into this study. These patients were further divided into two groups (groups A1 and A2) according to the severity of their disease...
October 23, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29098540/multiscale-persistent-functions-for-biomolecular-structure-characterization
#14
Kelin Xia, Zhiming Li, Lin Mu
In this paper, we introduce multiscale persistent functions for biomolecular structure characterization. The essential idea is to combine our multiscale rigidity functions (MRFs) with persistent homology analysis, so as to construct a series of multiscale persistent functions, particularly multiscale persistent entropies, for structure characterization. To clarify the fundamental idea of our method, the multiscale persistent entropy (MPE) model is discussed in great detail. Mathematically, unlike the previous persistent entropy (Chintakunta et al...
November 2, 2017: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/29092564/two-dimensional-active-raypath-separation-using-examination-of-the-roots-of-the-spectrum-polynomial
#15
Longyu Jiang, Runguo He, Yaping Hong, Jiasong Wu, Huazhong Shu
The application of the root multiple signal classification algorithm for raypath separation was motivated by the dramatic reduction in processing time of the multiple-signal classification algorithm. However, the algorithm provides classification only in the direction of the arrival domain and fails to separate raypaths arriving at the array with similar directions of arrival. Moreover, for many applications in shallow water (such as ocean acoustic tomography and active sonar), the emitted signal is known and can be used as a priori information to improve the resolution...
October 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/29079464/retroperitoneal-lumboaortic-lymphadenectomy-using-vessel-sealing-device-in-10-steps
#16
Marie Schaub, Lise Lecointre, Emilie Faller, Thomas Boisramé, Arnaud Wattiez, Jean-Jacques Baldauf, Cherif Akladios
STUDY OBJECTIVE: Describe the surgical technique of laparoscopic retroperitoneal lumboaortic lymphadenectomy using vessel-sealing device in 10 steps DESIGN: Educative video (Canadian Task Force Classification III) SETTING: Tertiary referral center in Strasbourg, France. The local institutional review board approved the video. BACKGROUND: Lumboaortic lymphadenectomy is frequently performed in the surgical management of different gynaecologic pelvic malignancies: cervical endometrial and ovarian cancer...
October 24, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29076333/the-influence-of-natural-head-position-on-the-cervical-sagittal-alignment
#17
Kuan Wang, Zhen Deng,, Zhengyan Li, Huihao Wang, Hongsheng Zhan
Introduction: This study investigated the relationship between the parameters related to the natural head position and cervical segmental angles and alignment of patients with neck pain. Material and Methods: The lateral radiographs of the cervical spine were collected from 103 patients and were used to retrospectively analyze the correlation between the natural head position, cervical local sagittal angles, and alignment. Sagittal measurements were as follows: cervical curvature classification, slope of McGregor's line (McGS), local sagittal angles (C0–C2 angle, C2–C5 angle, C5–C7 angle, and C2–C7 angle), T1 slope, center of gravity of the head to sagittal vertical axis (CG–C7 SVA), and local sagittal alignment (C0–C2 SVA and C2–C7 SVA)...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29074496/treatment-of-advanced-glaucoma-study-a-multicentre-randomised-controlled-trial-comparing-primary-medical-treatment-with-primary-trabeculectomy-for-people-with-newly-diagnosed-advanced-glaucoma-study-protocol
#18
Anthony J King, Gordon Fernie, Augusto Azuara-Blanco, Jennifer M Burr, Ted Garway-Heath, John M Sparrow, Luke Vale, Jemma Hudson, Graeme MacLennan, Alison McDonald, Keith Barton, John Norrie
BACKGROUND: Presentation with advanced glaucoma is the major risk factor for lifetime blindness. Effective intervention at diagnosis is expected to minimise risk of further visual loss in this group of patients. AIM: To compare clinical and cost-effectiveness of primary medical management compared with primary surgery for people presenting with advanced open-angle glaucoma (OAG). METHODS: Design: A prospective, pragmatic multicentre randomised controlled trial (RCT)...
October 26, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29074467/vertebral-body-spread-in-thoracolumbar-burst-fractures-can-predict-posterior-construct-failure
#19
Federico De Iure, Giorgio Lofrese, Pasquale De Bonis, Michele Cappuccio, Francesco Cultrera, Sofia Battisti
BACKGROUND CONTEXT: The Load Sharing Classification (LSC) laid foundations for a scoring system able to indicate which thoracolumbar fractures, after short-segment posterior-only fixations, would need for longer instrumentations or additional anterior supports. PURPOSE: We analyzed surgically treated thoracolumbar fractures, quantifying the vertebral body's fragments displacement with the aim of identifying a new parameter which could predict the posterior-only construct failure...
October 23, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29069120/lateral-lamella-of-the-cribriform-plate-a-keystone-landmark-proposal-for-a-novel-classification-system
#20
R Gera, F Mozzanica, A Karligkiotis, A Preti, F Bandi, S Gallo, A Schindler, C Bulgheroni, F Ottaviani, P Castelnuovo
BACKGROUND: The aim of this study is to propose a classification of the angle formed by the lateral lamella of the cribriform plate (LLCP) and the horizontal plane passing through the cribriform plate. In particular, the angle was classified into class I (over 80 degrees), class II (45 to 80 degrees, and class III (under 45 degrees) METHODOLOGY: A total of 190 computed tomography scans were retrospectively reviewed in order to obtain four sets of measurements. 1) depth of the cribriform, 2) angle, 3) length of the LLCP, 4) width of the fovea ethmoidalis...
October 25, 2017: Rhinology
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