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https://www.readbyqxmd.com/read/29786188/-a-young-girl-with-recurrent-calculosis-and-hypercalcemia
#1
Federica Di Maio, Matteo Vittori, PierFrancesco Bassi, Pierluigi Fulignati, Silvia D'Alonzo, Pietro Manuel Ferraro
Mutations of the CYP24A1 gene are associated with alterations in the activity of the enzyme 25-OH-D-24-hydroxylase, resulting in dysfunction of the metabolism of vitamin D. This enzymatic deficiency may cause hypercalcemia, low parathyroid hormone levels, hypercalciuria, nephrolithiasis and nephrocalcinosis. The clinical case of a young woman with recurrent renal lithiasis, hypercalcemia and hypercalciuria is described. These features are linked to deficiency of the enzyme 25-OH-D-24-hydroxylase, therefore to a biallelic mutation of the CYP24A1 gene...
May 2018: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/29713340/supine-percutaneous-nephrolithotripsy-in-double-s-position
#2
Giuseppe Giusti, Antonello De Lisa
Background: At present, the percutaneous nephrolithotripsy (PCNL) is performed both in supine and in prone position. The aim of this paper is to describe an innovative position during PCNL. Methods: We describe a supine position. The patient's legs are slightly abducted at the hips. The thorax is laterally tilted (inclination 30°-35°) and kept in the right position by one or two gel pads placed between the scapula and the vertebrae. External genitalia can be accessed at any time, so that it is always possible to use flexible instruments in the upper urinary tract...
2018: Advances in Urology
https://www.readbyqxmd.com/read/29705059/-result-of-treatment-of-urinary-lithiasis-for-professional-aptitude
#3
C Julien, J Laroche, F-X Deledalle, F-X Brocq, R Fournier, P Rivière, E Lechevallier, P-H Savoie
INTRODUCTION: Military people are inapt for presence of urinary stones. In this specific population, the treatment of stones is even more aggressive than for the general population without recommendation. The final decision about aptitude is the responsibility of the military doctor. Whereas, ureteroscopy has its place there and must done by any urologist. METHODS: The purpose of this study was to estimate the results of treatments by ureteroscopy in this population...
April 25, 2018: Progrès en Urologie
https://www.readbyqxmd.com/read/29652871/calcium-creatinine-ratio-in-a-morning-urine-sample-for-the-estimation-of-hypercalciuria-associated-with-non-glomerular-hematuria-observed-in-children-and-adolescents
#4
Susana Quiñones-Vázquez, María Del Rosario Liriano-Ricabal, Sergio Santana-Porbén, José Reinaldo Salabarría-González
Background: Hypercalciuria might be revealed during the differential diagnosis of hematuria accompanying renal lithiasis (RL). In spite of this, diagnostic accuracy of calcium urinary excretion might be affected by incomplete 24-hour urine collections. In the present study, the diagnostic utility of calcium/creatinine (ICaCre) index for determining hypercalciuria associated with non-glomerular hematuria (NGH) and RL was assessed. Method: ICaCre (mg/mg) index was calculated from calcium (mmol/l) and creatinine (µmol/l) concentrations in an aliquot from a 24-hour urine collection in 169 children and adolescents with NGH or RL...
2018: Boletín Médico del Hospital Infantil de México
https://www.readbyqxmd.com/read/29522290/differences-in-the-percutaneous-nephrolithotomy-practice-patterns-among-latin-american-urologists-with-and-without-endourology-training
#5
Braulio O Manzo, Edgar Lozada, Fabio C Vicentini, Francisco Javier Sanchez, Gildardo Manzo
PURPOSE: Although the worldwide percutaneous nephrolithotomy (PCNL) practice patterns determined via a survey sent to members of the Endourological Society have been published, differences in PCNL practice patterns among Latin American urologists based on endourological or lithiasis training have not been published. To determine the PCNL practice patterns among Latin American urologists with and without training in endourology. MATERIALS AND METHODS: The SurveyMonkey® web platform was used to develop a 27- item survey on PCNL for the treatment of renal stones, and the survey was sent via e-mail and other electronic media to 2000 urologists from 15 Latin American countries...
March 9, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29515214/complications-of-non-continent-cutaneous-urinary-diversion-in-adults-with-spinal-cord-injury-a-retrospective-study
#6
Cyrille Guillot-Tantay, Emmanuel Chartier-Kastler, Marie-Aimée Perrouin-Verbe, Pierre Denys, Priscilla Léon, Véronique Phé
STUDY DESIGN: Retrospective cohort study. OBJECTIVES: To report the long-term complications of non-continent cutaneous urinary diversion (NCCUD) in adult patients with spinal cord injury (SCI). SETTING: Hospital in Paris, France. METHODS: A retrospective single center study included all adult patients with SCI who underwent an ileal conduit between 1997 and 2014. Early complications were reported according to Clavien-Dindo classification...
March 7, 2018: Spinal Cord
https://www.readbyqxmd.com/read/29484468/results-of-minimally-invasive-surgical-treatment-of-allograft-lithiasis-in-live-donor-renal-transplant-recipients-a-single-center-experience-of-3758-renal-transplantations
#7
Mehmet Sarier, Ibrahim Duman, Yucel Yuksel, Sabri Tekin, Meltem Demir, Fatih Arslan, Osman Ergun, Alim Kosar, Asuman Havva Yavuz
Allograft lithiasis is a rare urologic complication of renal transplantation (RT). Our aim is to present our experience with minimally invasive surgical treatment of allograft lithiasis in our series of live-donor renal transplant recipients. In a retrospective analysis of 3758 consecutive live-donor RTs performed in our center between November 2009 and January 2017, the results of minimally invasive surgery for the treatment of renal graft lithiasis diagnosed at follow-up were evaluated. Twenty-two (0.58%) patients underwent minimally invasive surgery for renal graft lithiasis...
February 26, 2018: Urolithiasis
https://www.readbyqxmd.com/read/29454539/quantification-of-the-risk-of-urinary-calcium-stone-formation-in-the-urine-collected-at-2-times-of-the-day-in-a-group-of-children-studied-to-rule-out-prelithiasis
#8
Víctor M García Nieto, Xochitl Illian Pérez Bastida, María Salvador Cañibano, Victoria E García Rodríguez, Margarita Monge Zamorano, María Isabel Luis Yanes
BACKGROUND: Various genetic and environmental factors are involved in urolithiasis. The 2 most common metabolic abnormalities are the increase in urinary calcium and low urinary citrate excretion. The ratio calculated between the concentrations of both substances is a good risk marker for the formation of calcium stones. OBJECTIVES: To determine whether the risk of urinary calcium stone formation changes throughout the day in the same patient. METHODS: We studied 56 children (23V, 33M) to check if they had prelithiasis...
May 2018: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/29421810/is-there-a-role-for-double-j-stent-culture-in-contemporary-urology
#9
Diomidis Kozyrakis, Stefanos Perikleous, Styliani-Elissavet Chatzistamou, Dimitris Kateris, Georgios Soukias, Anastasios Karatzas, Ioannis Dimitriadis
INTRODUCTION: To present the incidence of bacterial colonization on ureteral double J stents (DJS); isolate the uropathogens; define the rate of multi-resistant bacteria strains (MRBS) and present their clinical importance. MATERIALS AND METHODS: <unterline></unterline> The whole body of 105 DJSs was examined for the presence of uropathogens. RESULTS: The main etiology for stent placement was lithiasis (57.1%). The most frequently cultured microorganisms were staphylococcus (28...
2018: Urologia Internationalis
https://www.readbyqxmd.com/read/29406799/management-of-pediatric-urolithiasis-using-a-combination-of-laparoscopic-lithotomy-and-pyeloscopy
#10
Sergio Landa-Juárez, Bárbara M Rivera-Pereira, Ana M Castillo-Fernández
BACKGROUND: Minimally invasive procedures have become the standard option for treatment of urinary stones; the use of more invasive techniques is not a common practice currently. This emergent technology is not always available and laparoscopy is the alternative option. There are few reports of laparoscopic management for urinary lithiasis in pediatric patients. This study is about the use of laparoscopic surgery combined with pyeloscopy as a feasible first-line treatment for pediatric urolithiasis in renal and proximal ureteral locations...
February 6, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29393127/uric-acid-renal-lithiasis-new-concepts
#11
Fabiola Pazos Pérez
BACKGROUND: Uric acid (UA) stones are responsible for 5-10% of the formation of all kidney stones. Recently, an association between UA stones and insulin resistance, diabetes mellitus, and obesity has been demonstrated and so the incidence has increased. The development of UA stones is dependent on several risk factors, including genetic predisposition, geographical location, dietary indiscretion, and various metabolic characteristics. SUMMARY: UA nephrolithiasis can arise from diverse etiologies, all with distinct underlying defects converging to one or more of 3 defects of hyperuricosuria, acidic urine pH, and low urinary volume...
2018: Contributions to Nephrology
https://www.readbyqxmd.com/read/29393086/uric-acid-the-unknown-uremic-toxin
#12
Alejandro Treviño-Becerra
This review brings together concepts of uric acid metabolism affecting renal parenchyma and its function and the current therapies to reduce hyperuricemia (HyU) and avoid renal disease progression. High uric acid plays an important role in several chronic diseases including kidney diseases such as lithiasis, gout nephropathy, and preeclampsia. In the last 30 years, it has been shown that reducing HyU with low protein and low purine diets in addition to allopurinol creates physiopathological conditions that produce a slight increase in the glomerular filtration rate (GFR)...
2018: Contributions to Nephrology
https://www.readbyqxmd.com/read/29360069/-calcium-response-to-vitamin-d-supplementation
#13
Francisco R Spivacow, Elisa E Del Valle, Valeria S Pruñonosa, Audri Lizcano, Yira Suárez, Vanina Paz Wasiuchnik
Several studies show the importance of serum vitamin D sufficient levels to prevent multiple chronic diseases. However, vitamin D supplementation and its effects on urine calcium excretion remain controversial. The objective of this prospective and interventional study was to evaluate urine calcium excretion in women with normal calciuria or hypercalciuria, once serum vitamin D sufficiency was achieved. We studied 63 women with idiopathic hypercalciuria, (9 with renal lithiasis) and 50 normocalciuric women...
2018: Medicina
https://www.readbyqxmd.com/read/29319775/primary-hiperoxaluria-diagnosed-after-kidney-transplantation-report-of-2-cases-and-literature-review
#14
John Fredy Nieto Rios, Monica Zuluaga, Lina Maria Serna Higuita, Adriana Florez, Diana Carolina Bello-Marquez, Arbey Aristizábal, Catalina Ocampo Kohn, Gustavo Adolfo Zuluaga
Primary hyperoxaluria (PH) is a very rare genetic disorder; it is characterized by total or partial deficiency of the enzymes related to the metabolism of glyoxylate, with an overproduction of calcium oxalate that is deposited in different organs, mainly the kidney, leading to recurrent lithiasis, nephrocalcinosis and end stage renal disease (ESRD). In patients with ESRD that receive kidney transplantation alone, the disease has a relapse of 100%, with graft loss in a high percentage of patients in the first 5 years of transplantation...
October 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29217496/protective-action-of-crateva-nurvala-buch-ham-extracts-against-renal-ischaemia-reperfusion-injury-in-rats-via-antioxidant-and-anti-inflammatory-activities
#15
Mouchira A Choucry, Mohammed N A Khalil, Sally A El Awdan
ETHNOPHARMACOLOGICAL RELEVANCE: Crateva nurvala stem bark is commonly used in Ayruveda in treatment of many renal injuries, e.g., urinary lithiasis, diuretic and nephroprotective. However, its protective effect against renal ischaemia/reperfusion, the major cause of acute kidney injury, has never been studied. Moreover, no comprehensive chemical profiling of its extracts was recorded. AIM OF THE STUDY: Assessment of the protective effect of the plant extracts against renal ischaemia/reperfusion and elucidation of the possible mechanism of action...
March 25, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29188308/ureteroscopy-from-the-recent-past-to-the-near-future
#16
REVIEW
José Manuel Reis Santos
Stone surgery is one of oldest surgical practices undertaken by man. Hippocrates refused to let his followers "cut for the stone" and it was only in February 1980, when the first human trial of shock wave therapy on a renal stone was performed with success that a new era in minimally invasive treatment (surgery) for stones was opened up and this condemnation was finally resolved in the Hippocratic Oath. Endoscopy, using natural orifices, supported by anaesthesia, incremented by technology and with access to all points along the urinary tract, began by competing with ESWL, but is now the treatment of choice in most cases...
February 2018: Urolithiasis
https://www.readbyqxmd.com/read/29184602/-giant-lithiasis-due-to-urinary-stasis-related-to-ileo-caecal-bladder
#17
Hamza Dergamoun, Zayd El Boukili El Makhoukhi
Bladder exstrophy is a malformation characterized by subumbilical anterior abdominal wall and anterior bladder wall deishence. It affects nearly 30.000-40.000 births per year, with a higher prevalence in boys. External continent urinary diversion creates a long-term outcome. However, it is not devoid of complications. We report the case of a 30-year old female patient who had undergone cystectomy with bladder replaced with ileo-caecal segment for bladder exstrophy 13 years earlier. She was followed up for 5 years and then lost to follow up...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29106285/liver-kidney-simultaneous-transplantation-in-adult-patients-with-primary-hyperoxaluria-experience-at-hospital-universitario-12-de-octubre
#18
Javier Martínez Caballero, Alberto Marcacuzco Quinto, Iago Justo Alonso, Oana Anisa Nutu, Alejandro Manrique Municio, Jorge Calvo Pulido, Félix Cambra Molero, Óscar Caso Maestro, Carlos Jiménez Romero
Primary hyperoxaluria (PH) is a metabolic liver disease with an autosomal recessive inheritance that results in oxalate overproduction that cannot be metabolized by the liver. Urinary excretion of oxalate results in lithiasis and nephrocalcinosis leading to a progressive loss of renal function that often requires renal replacement therapy despite medical treatment. Type 1 PH is the most common form and is due to a deficiency in the alanine-glycolate aminotransferase enzyme found in hepatic peroxisomes. Therefore, a liver-kidney simultaneous transplant (LKST) is the definitive treatment for end-stage renal disease (ESRD) patients...
February 2018: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/29075349/the-efficacy-of-metaphylaxis-in-treatment-of-recurrent-urolithiasis
#19
P Banov, E Ceban
Urolithiasis is a significant social and financial problem. According to contemporary literature data, 1-5% of the global population suffers from urolithiasis. The prevalence of this disease is about 10% of the population of the Republic of Moldova. Scientific and practical researches in the field of urology, and especially those devoted to renal lithiasis, focus on the diagnosis and treatment process, giving little importance to the cause of formation, metabolic disturbances, and especially to prophylaxis and metaphylaxis of the disease recurrence...
July 2017: Journal of Medicine and Life
https://www.readbyqxmd.com/read/29058024/management-of-renal-transplant-urolithiasis-a-multicentre-study-by-the-french-urology-association-transplantation-committee
#20
J Branchereau, M O Timsit, Y Neuzillet, T Bessède, R Thuret, M Gigante, X Tillou, R Codas, J Boutin, A Doerfler, F Sallusto, T Culty, V Delaporte, N Brichart, B Barrou, L Salomon, G Karam, J Rigaud, L Badet, F Kleinklauss
PURPOSE: Urolithiasis is rare among renal transplant recipients and its management has not been clearly defined. METHODS: This multicentre retrospective study was organised by the Comité de Transplantation de l'Association Française d'Urologie (French Urology Association transplantation committee). Statistical analysis was performed with SPSS 19 software. RESULTS: Ninety-five patients were included in this study. Renal transplant urolithiasis was an incidental finding in 55% of cases, mostly on a routine follow-up ultrasound examination...
January 2018: World Journal of Urology
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