نتایج جستجو برای: artificial stone
تعداد نتایج: 312548 فیلتر نتایج به سال:
Background & Aims: Studies show that body mass index (BMI) can predict success rate of extracorporeal shock wave lithotripsy (ESWL). In this study, we aimed to evaluate the relation between BMI and waist circumference with success rate of ESWL and stone free rate after ESWL. Materials & Methods : In a descriptive cross-sectional study, 64 patients with kidney stone size 0.5 to 2 cm for ur...
Coherent Deformable Model Yusuf Sinan Akgul Chandra Kambhamettu Maureen Stone Department of Computer and Information Sciences Division of Otolaryngology University of Delaware The University of Maryland Medical School Newark, Delaware 19716 Baltimore, Maryland 21201 Abstract We present a system that extracts and tracks 2D midsagital tongue surfaces from ultrasound image sequences produced by a ...
The motion of a stone skimming over a water surface is considered. A simplified description of the collisional process of the stone with water is proposed. The maximum number of bounces is estimated by considering both the slowing down of the stone and its angular stability. The conditions for a successful throw are discussed. © 2003 American Association of Physics Teachers. @DOI: 10.1119/1.151...
Background: Since non-contrast spiral CT (NCCT) is an imaging method of choice performed before extracorporeal shockwave lithotripsy (ESWL), we aimed to find the association between renal stone characteristics including stone density, location, volume, and skin-to-stone distance (SSD) on NCCT and ESWL success for a more efficient selection of patients for the procedure. Methods: We retrospec...
Prolonged microgravity exposure disrupts bone, muscle, and cardiovascular homeostasis, sensory-motor coordination, immune function, and behavioral performance. Bone loss, in particular, remains a serious impediment to the success of exploration-class missions by increasing the risks of bone fracture and renal stone formation for crew members. Current countermeasures, consisting primarily of res...
If the absolute number of poor people goes up, but the fraction of people in poverty comes down, has poverty gone up or gone down? The economist’s instinct, framed by population replication axioms that undergird standard measures of poverty, is to say that in this case poverty has gone down. But this goes against the instinct of those who work directly with the poor, for whom the absolute numbe...
PURPOSE To retrospectively assess the clinical utility in ureteroscopy (URS) planning of cumulative stone diameter (CSD), which does not account for stone width or depth, as a predictor of URS outcome and compare it with stone volume. MATERIALS AND METHODS Patients with renal stones treated at a single institute by flexible URS were retrospectively evaluated. To assess the clinical utility of...
© The Ecological Society of America www.frontiersinecology.org A light at night is globally widespread (Cinzano et al. 2001), rapidly expanding in spatial extent (Hölker et al. 2010), and shifting in its spectral characteristics (Davies et al. 2013a). Increasing concern over these trends has recently fuelled a surge in research toward understanding the ecological impacts of artificial light pol...
The historical imitative crafts discussed in this study, such as scagliola, Coade stone, marbling and graining, were unique original; their use was promoted articulated between the end of sixteenth nineteenth century. conservation may be compromised without a nuanced specific approach. Conserving inventions past presents challenges since mechanism deterioration artificial natural materials intr...
Background: Gall stone is an important health problem in the world for which different risk factors have been characterized. Gall stone and cardiovascular disease have common risk factors. Homocysteine is accepted as one of the risk factors for cardiovascular disease. We aimed to study the effect of homocysteine level on gall stone formation. Methods: 54 patients with gall stone-related disease...
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