Urolithiasis
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Determinants of ureteral obstruction after percutaneous nephrolithotomyAbstract Background Ureteral obstruction after percutaneous nephrolithotomy (PCNL) may require prolonged drainage with a nephrostomy tube (NT) or ureteral stent, but it is not well understood how and why this occurs. The goal of this study was to identify risk factors associated with postoperative ureteral obstruction to help guide ...
Urolithiasis -
Molecular mechanisms involved in the protective effect of the chloroform extract of Selaginella lepidophylla (Hook. et Grev.) Spring in a lithiasic rat model
Urolithiasis - Tập 41 - Trang 205-215 - 2013
Urolithiasis is a multifaceted process, progressing from urine supersaturation to the formation of mature renal calculi. Calcium oxalate, the main component of kidney stones, has toxicological effects on renal epithelial cells. Some medicinal plants have shown pharmacological effects against renal lithiasis, such as Selaginella lepidophylla (Hook. et Grev) Spring, a plant empirically used in Mexic......
RE: “Predictors for uroseptic shock in patients who undergo minimally invasive percutaneous nephrolithotomy”
Urolithiasis - Tập 46 - Trang 595-596 - 2018
Disparities in care among patients presenting to the emergency department for urinary stone disease
Urolithiasis - Tập 48 - Trang 217-225 - 2019
To determine whether patients with ureteral stones received different standard of care in the emergency department (ED) according to various sociodemographic factors. We conducted a retrospective study of patients presenting to EDs in a large tertiary-care hospital in the Bronx, New York with a diagnosis of ureteral stones. Electronic chart review was used to assess each patient’s ED course and to......
The utility of automated volume analysis of renal stones before and after shockwave lithotripsy treatment
Urolithiasis - Tập 49 - Trang 219-226 - 2020
This study aimed to evaluate the additional utility of an automated method of estimating volume for stones being treated with shockwave lithotripsy (SWL) using computed tomography (CT) images compared to manual measurement. Utility was assessed as the ability to accurately measure stone burden before and after SWL treatment, and whether stone volume is a better predictor of SWL outcome than stone ......
Three-dimensional evaluation of perirenal fat volume in patients with nephrolithiasis
Urolithiasis - Tập 46 - Trang 535-541 - 2018
The concept of adipose tissue as an organ unto itself represents a new medical construct; already differences in the volume of perirenal fat around a tumor-bearing kidney have been described. We hypothesized that renal calculi may have similar impact on perirenal fat or alternatively abnormalities in urinary metabolites may be the result of perirenal fat affecting renal metabolism and subsequent s......
Evaluation of acute renal colic: a comparison of non-contrast CT versus 3-T non-contrast HASTE MR urography
Urolithiasis - Tập 41 - Trang 43-46 - 2012
With the introduction of a 3-T scanner, magnetic resonance urography (MRU) may be an alternative imaging modality for evaluation of acute renal colic. We performed a prospective study to compare the performance of computed tomography (CT) with half-Fourier single shot turbo spin-echo (HASTE) MRU in the evaluation of patients with suspected renal colic. Patients presenting to the emergency departme......
Abnormal distal renal tubular acidification in patients with low bone mass: prevalence and impact of alkali treatment
Urolithiasis - Tập 45 - Trang 263-269 - 2016
Chronic acid retention is known to promote bone dissolution. In this study, 23 % of patients with osteopenia/osteoporosis were diagnosed with abnormal distal renal tubular acidification (dRTA), a kidney dysfunction leading to chronic acid retention. Treating those patients with alkali-therapy shows improvement in bone density. To evaluate the prevalence of abnormal distal renal tubular acidificati......
Erratum to: Age-related delay in urinary stone clearance in elderly patients with solitary proximal ureteral calculi treated by extracorporeal shock wave lithotripsy
Urolithiasis - Tập 44 - Trang 193-194 - 2015
The impact of crystal phase transition on the hardness and structure of kidney stones
Urolithiasis - - 2024
Calcium oxalate kidney stones, the most prevalent type of kidney stones, undergo a multi-step process of crystal nucleation, growth, aggregation, and secondary transition. The secondary transition has been rather overlooked, and thus, the effects on the disease and the underlying mechanism remain unclear. Here, we show, by periodic micro-CT images of human kidney stones in an ex vivo incubation ex......
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