نتایج جستجو برای: stone pickers
تعداد نتایج: 25796 فیلتر نتایج به سال:
STUDY OBJECTIVE The STONE score is a clinical decision rule that classifies patients with suspected nephrolithiasis into low-, moderate-, and high-score groups, with corresponding probabilities of ureteral stone. We evaluate the STONE score in a multi-institutional cohort compared with physician gestalt and hypothesize that it has a sufficiently high specificity to allow clinicians to defer com...
در این پایان نامه، مطالعات آزمایشگاهی و عددی در ارتباط با اصلاح خاک های ریزدانه سست با استفاده از ستون سنگی از نوع شفته آهکی و تأثیر استفاده از ماده منبسط کننده به منظور افزایش مقاومت جدار این نوع ستون ها انجام شده است. نتایج نشان می دهد که استفاده از ماده منبسط کننده و الیاف باعث ایجاد رفتار انعطاف پذیر و درگیری بیشتر ستون سنگی با خاک اطراف شده است. همچنین آزمایش فشاری تک محوری بر روی نمونه ها...
BACKGROUND Although there is growing evidence of relationship between obesity and some specific stone compositions, results were inconsistent. Due to a greater relationship between metabolic syndrome and some specific stone type, obesity measured by body mass index (BMI) has limitation in determining relationship between obesity and stone compositions. The aim of this study was to determine the...
Experimental and Numerical study of earth slope reinforcement using ordinary and rigid stone columns
Earth slopes stabilization is one of the main issues focused on by are in geotechnical engineer. Use of stone columns is one of approaches well increasing the safety factor of earth slopes of the soil embankments; furthermore, it is economical besides the simplicity and ease it exhibits in implementation. . The present paper aims at an experimental comparison of the Ordinary Stone Column (OSC) ...
OBJECTIVE To review 17 years experience of the stone clinic with incorporating the changes in practice over the years and to report the benefits of stone clinic in a developing country. METHODS The SIUT Stone clinic was established in 1990 with installation of HM4 Lithotriptor. This clinic is run jointly by a Urologist, Dietitian, Nephrologist, Biochemist and Radiologist. From 1990 - 2007, ab...
Background and Purpose: Treatment of ureter stone in children by ureteroscopy and pneumatic lithotripsy. Materials and Methods: Within one and half year 21 children referred for the treatment of ureter stone by endoscopic method. Biochemical and urine culture tests were done in all of the cases. ÏVP was performed in all of patients except one case, before operation. Semirigid wolf 8fr uret...
Predicting the sawability of the dimension stone is one of the most important factors involved in production planning. Moreover, this factor can be used as an important criterion in the cost estimation and planning of the stone plants. The main purpose for carrying out this work was to rank the sawability of the dimension stone using the PROMETHEE method. In this research work, four important p...
PURPOSE To identify the parameters on noncontrast computed tomography (NCCT) that best predict the success of shock wave lithotripsy (SWL). MATERIALS AND METHODS We reviewed the records of 75 patients who underwent SWL for urinary calculi measuring 5 to 20 mm. Using NCCT images, we estimated the largest stone cross-sectional area and contoured the inner edge of the stone. Clinical outcome was...
PURPOSE To identify the role of shock wave lithotripsy (SWL) and flexible ureterorenoscopy (f-URS) on the stone recurrence, in the management of 10-20 millimeter lower pole stone (LPS) with medium follow-up outcomes. MATERIALS AND METHODS The patients' charts which were treated with SWL or f-URS for LPS between January 2011 and September 2013 were analyzed, retrospectively. Patients who had a...
PURPOSE We retrospectively investigated the factors that affect the success of rigid ureteroscopy in the pediatric population for the management of pediatric ureteral stones. PATIENTS AND METHODS We present a retrospective review of 61 consecutive pediatric patients who underwent 66 rigid ureteroscopy procedures for ureteral stone management. The effects of sex, age, stone diameter, stone loc...
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