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Keizo Yamamoto, Makoto Tsubokura, Jun Ikeda, Keiji Onishi, Sophie Baleriola
The purpose of this study was to investigate the effects of posture of a ski jumper on aerodynamic characteristics during the take-off using computational fluid dynamics (CFD). The CFD method adopted for this study was based on Large-Eddy Simulation. Body surface data were obtained by 3-D laser scanning of an active ski jumper. Based on video analysis of the actual take-off movement, two sets of motion data were generated (world-class jumper A and less-experienced jumper B). The inlet flow velocity that corresponds to the in-run velocity in actual ski jumping was set to 23...
October 6, 2016: Journal of Biomechanics
Guilherme Teixeira Theodoro, Lívia Fiorin, Izabela Cristina Maurício Moris, Renata Cristina Silveira Rodrigues, Ricardo Faria Ribeiro, Adriana Cláudia Lapria Faria
Dental ceramics have been widely used because of aesthetic, but wear is still questioned. There are relates that ceramic surface is prone to degradation by acidulated fluoride, that can increase wear rates. The aim of this study was to evaluate the effect of neutral and acidulated fluoride gel, used as preventive agents for professional use, at wear and compression strength of dental ceramics IPS e.max ZirPress (ZIR), IPS Empress Esthetic (EMP) e IPS Inline POM (POM). For this, 30 crowns and 30 disks were obtained by heat-pressing...
September 28, 2016: Journal of the Mechanical Behavior of Biomedical Materials
Ankur Bansal, Priyank Yadav, Manoj Kumar, Satyanarayan Sankhwar, Bimalesh Purkait, Ankur Jhanwar, Siddharth Singh
PURPOSE: This study was performed to characterise the nature, clinical presentation, mode of insertion, and management of intravesical foreign bodies in patients treated at our hospital. METHODS: Between January 2008 and December 2014, 49 patients were treated for intravesical foreign bodies at King George Medical University, Lucknow. All records of these patients were retrospectively analysed to characterise the nature of the foreign body, each patient's clinical presentation, the mode of insertion, and how the case was managed...
September 2016: International Neurourology Journal
Manisha Balai, Lalit Kumar Gupta, Ashok Kumar Khare, Ankita Srivastava, Asit Mittal, Ajit Singh
BACKGROUND: Cutaneous leishmaniasis (CL) usually occurs in areas with hot and dry climate. In India, the desert areas of Rajasthan, Gujarat, and the plains of Northwestern frontier are endemic for this disorder. AIMS AND OBJECTIVES: The present study was aimed to describe clinicoepidemiological profile of the cases of CL from South Rajasthan, which is a nonendemic area of Rajasthan. MATERIALS AND METHODS: During a period of 4 years (2010-2014), a total of 23 patients with CL were diagnosed...
September 2016: Indian Journal of Dermatology
Garson Chan, Adiel Mamut, Paul Martin, Blayne Welk
INTRODUCTION: The objective of this study was to determine the outcomes associated with the endoscopic removal of foreign bodies (such as mesh or permanent suture) in the lower urinary tract after female stress incontinence surgery with the Holmium:YAG (Ho:YAG) laser, and to systematically review the literature on this topic. MATERIALS AND METHODS: A retrospective chart review of 18 consecutive women found to have mesh or suture exposure was performed. All patients underwent Ho:YAG laser ablation...
October 6, 2016: Journal of Endourology
Okan Baş, Can Tuygun, Onur Dede, Sercan Sarı, Mehmet Çağlar Çakıcı, Ufuk Öztürk, Göksel Göktuğ, Abdurrahim İmamoğlu
PURPOSE: To evaluate the factors affecting complication rates of flexible ureteroscopy and laser lithotripsy (FURSL). MATERIALS AND METHODS: Data on a total of 1395 patients, with 1411 renal units underwent 1571 procedures with FURSL for renal and/or proximal ureteral stones between April 2012 and January 2016, were retrospectively analyzed. Complications were assessed using the Satava and modified Clavien systems. Univariate and multivariate analyses were done to determine predictive factors affecting complication rates...
September 7, 2016: World Journal of Urology
Jorunn Pauline Cavanagh, Runa Wolden, Philipp Heise, Eirin Esaiassen, Claus Klingenberg, Elizabeth G Aarag Fredheim
The primary aim of this study was to determine antimicrobial resistance in coagulase-negative staphylococci (CoNS) from healthy adults in the community. Healthy adults (n = 114) were swabbed on six body sites; both armpits, both knee pits and both sides of the groin. Species determination was performed using Matrix Assisted Laser Desorption Ionization - Time of Flight (MALDI-TOF) and susceptibility testing for 11 relevant antimicrobials was performed by the disc diffusion method and minimal inhibitory concentration gradient test...
November 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
Akif Erbin, Abdulkadir Tepeler, Ibrahim Buldu, Harun Ozdemir, Muhammed Tosun, Murat Binbay
OBJECTIVE: To assess and compare the applicability of the Resorlu-Unsal Stone Score (RUSS) and the Modified Seoul National University Renal Stone Complexity (S-ReSC) score for flexible ureterorenoscopy (f-URS). PATIENTS AND METHODS: We retrospectively analyzed the hospital files of 719 patients who had been treated with f-URS for kidney stone at two referral centers between July 2012 and December 2015. The RUSS and Modified S-ReSC scores were calculated by the same surgeon for each patient using imaging methods and were compared as to their predictive capability for postoperative success...
August 22, 2016: Journal of Endourology
S A Karpishchenko, O I Dolgov
The objective of the present study was to improve the procedures for extended and restricted laser-assisted laryngoplasty in the patients presenting withparalytic laryngeal stenosis and to evaluate the outcome of the surgical interventionsdiffering in extent. The study included 51 patients (47 women and 4 men) at the age varying from 18 to 78 years. Twenty five of these patients had a tracheostoma. The examination was focused on the detection of the following characteristics: vocal fold angle, body mass index, age, specific anatomical and physiological features of the larynx, clinically significant concomitant pathologies, engagement in voice and speech professional activities as well as the influence of paramedical factors...
2016: Vestnik Otorinolaringologii
Lorna K P Suen, Chao Hsing Yeh, Simon K W Yeung
BACKGROUND: Osteoarthritic knee (OA knee) is a common condition in the elderly. Exploration of non-invasive complementary therapies for OA knee is warranted given the limitations of pharmacologic therapies. Auriculotherapy (AT) is a therapeutic method in which specific points on the auricle are stimulated to treat various disorders of the body, and the therapeutic value and synergistic effect of laser auriculotherapy (LAT) when combined with magneto-auriculotherapy (MAT) merits further investigation...
July 29, 2016: BMC Complementary and Alternative Medicine
Hui C Choo, Kazunori Nosaka, Jeremiah J Peiffer, Mohammed Ihsan, Chow C Yeo, Chris R Abbiss
This study compared the effect of postexercise water immersion (WI) at different temperatures on common femoral artery blood flow (CFA), muscle (total haemoglobin; tHb) and skin perfusion (cutaneous vascular conductance; CVC), assessed by Doppler ultrasound, near-infrared spectroscopy (NIRS) and laser Doppler flowmetry, respectively. Given that heat stress may influence the vascular response during cooling, nine men cycled for 25 min at the first ventilatory threshold followed by intermittent 30-s cycling at 90% peak power until exhaustion at 32·8 ± 0·4°C and 32 ± 5% RH...
July 28, 2016: Clinical Physiology and Functional Imaging
Sabine J Bischoff, Martin Schmidt, Thomas Lehmann, Andrey Irintchev, Harald Schubert, Christian Jung, Matthias Schwab, Otmar Huber, Georg Matziolis, René Schiffner
Serelaxin, recombinant human relaxin-2, modulates endothelial vasodilatory functionality and is under evaluation for treatment of acute heart failure. Little is known about acute effects on cerebral perfusion. We tested the hypothesis that Serelaxin might also have effects on the cerebral microcirculation in a sheep model, which resembles human brain structure quite well. We used laser Doppler flowmetry and sidestream dark-field (SDF) imaging techniques, which are reliable tools to continuously assess dynamic changes in cerebral perfusion...
September 1, 2016: American Journal of Physiology. Heart and Circulatory Physiology
Colin W Bond, Emily M Willaert, Benjamin C Noonan
With the importance placed on athletic speed, it is important to utilize a valid and reliable timing system, particularly in sprints of short duration. Unfortunately, many of the commonly used timing systems have not been rigorously evaluated. This study aimed to compare results from a single-beam infrared photocell (PC), single-beam laser with a microprocessor (LA), and a previously validated video camera (VC) sacrum based timing system; and in doing so, determine these systems' reliabilities, and establish best practices for increasing reliability...
July 7, 2016: Journal of Strength and Conditioning Research
Daria Lizneva, Larisa Gavrilova-Jordan, Walidah Walker, Ricardo Azziz
Androgen excess (AE) is a key feature of polycystic ovary syndrome (PCOS) and results in, or contributes to, the clinical phenotype of these patients. Although AE will contribute to the ovulatory and menstrual dysfunction of these patients, the most recognizable sign of AE includes hirsutism, acne, and androgenic alopecia or female pattern hair loss (FPHL). Evaluation includes not only scoring facial and body terminal hair growth using the modified Ferriman-Gallwey method but also recording and possibly scoring acne and alopecia...
May 19, 2016: Best Practice & Research. Clinical Obstetrics & Gynaecology
F Schott, S Knipper, A K Orywal, A J Gross, C Netsch
BACKGROUND: Purpose of this work is to compare the outcome of ureterorenoscopy (URS) with regard to stone-free rates (SFR) and complication rates (CR) in patients with different body mass index (BMI) scores for the treatment of kidney stones. MATERIALS AND METHODS: A retrospective chart review of all patients with known BMI, who underwent URS for kidney stones between 2006 and 2012 at our institution, was performed (n = 556 patients). The SFR and CR of obese patients were compared to overweight and normal weight patients...
June 6, 2016: Der Urologe. Ausg. A
Bin He, Chao Xu, Yingdelong Mao, Jingwen Mao, Liping Shen, Hao Wei, Fei Wang, Shuogui Xu
PURPOSE: Metallic foreign bodies (MFBs) retained in soft tissue may pose potential threats to patient health. Interventional procedures using conventional navigation systems are associated with high rate of radiation exposure. We postulated that the surgical approach visualization and navigation system would offer precise percutaneous localization and linear guidance with reduced radiation dosage and system complexity. METHODS: In total, 76 patients underwent percutaneous MFB extraction with the technique, which consists of: (A) displaying the target spot (here the MFB) on the screen; (B) projecting the laser beam onto the skin surface; (C) indicating the optimal direction and angle of the needle; and (D) guiding the surgical approach until the MFB was extracted...
May 27, 2016: International Journal of Computer Assisted Radiology and Surgery
Red M Alinsod
BACKGROUND AND OBJECTIVES: To evaluate the safety, tolerability, and clinical efficacy of transcutaneous temperature controlled radiofrequency (TTCRF) on vulvovaginal tissue for orgasmic dysfunction. STUDY DESIGN/MATERIALS AND METHODS: Subjects included 25 sexually active women, ages 21-65, with self-reported difficulty in achieving orgasms during sex (anorgasmic or slow-to-orgasm). Each patient received three sessions at intervals of about 1 month. Treatment was performed using a slim S-shaped probe with a stamp-sized metal radiofrequency emitter on one surface of the tip (25 minutes total time on average)...
September 2016: Lasers in Surgery and Medicine
Jun Hirai, Yuka Yamagishi, Daisuke Sakanashi, Yusuke Koizumi, Hiroyuki Suematsu, Hiroshige Mikamo
We report herein on a case of bacteremia caused by Ochrobactrum intermedium (O. intermedium) identified with biotyper matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS). An 86-year-old man was admitted to our hospital with paralysis of the right side of the body and dysphagia. He was diagnosed as having a pontine infarction based on the brain MRI findings and was admitted to hospital to have anti-platelet therapy. Three days after admission, he had a fever. Although he had redness and swelling at the peripheral venous catheter insertion site, he was diagnosed as having aspiration pneumonia, since he had fine crackles on auscultation...
March 2016: Kansenshōgaku Zasshi. the Journal of the Japanese Association for Infectious Diseases
C Fink, H A Haenssle
The diagnosis of advanced cutaneous melanoma may easily be made by the unaided eye, followed by excisional biopsy and histopathological examination. However, in the setting of melanoma screening examinations in high-risk patients with many nevi, dermatologists are challenged with the differentiation of atypical but benign nevi and early invasive or in situ melanomas. In this situation, there is a real need for additional, noninvasive examination techniques that may serve as an aide to decide for or against an excisional biopsy...
July 2016: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
A Henning, W Koning, A Fuchs, A Raaijmakers, J J Bluemink, C A T van den Berg, V O Boer, D W J Klomp
Multimodal MRI is the state of the art method for clinical diagnostics and therapy monitoring of the spinal cord, with MRS being an emerging modality that has the potential to detect relevant changes of the spinal cord tissue at an earlier stage and to enhance specificity. Methodological challenges related to the small dimensions and deep location of the human spinal cord inside the human body, field fluctuations due to respiratory motion, susceptibility differences to adjacent tissue such as vertebras and pulsatile flow of the cerebrospinal fluid hinder the clinical application of (1) H MRS to the human spinal cord...
September 2016: NMR in Biomedicine
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