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Urinary stone disease

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https://www.readbyqxmd.com/read/29642351/re-plasma-oxalate-in-relation-to-egfr-in-patients-with-primary-hyperoxaluria-enteric-hyperoxaluria-and-urinary-stone-disease
#1
Dean G Assimos
No abstract text is available yet for this article.
April 2018: Journal of Urology
https://www.readbyqxmd.com/read/29629062/clinical-outcomes-of-the-simultaneous-bilateral-percutaneous-nephrolithotomy-pcnl-in-patients-with-kidney-stones-a-prospective-cohort-study
#2
Mohammad Reza Darabi, Salman Soltani, Alireza Akhavan Rezayat, Masoud Yousefi, Mehdi Kashefi, Mahmoud Tavakkoli, Shabnam Mohammadi
Background: Urinary tract stones is one of the most frequent medical emergencies which leads to life-threatening complications, namely obstructive uropathy as well as renal failure in some situations. Previously, bilateral stones were treated with either open surgery or percutaneous nephrolithotomy (PCNL). However, these treatment options were associated with lengthy operation time, need for more anesthesia, further bleeding, and long hospitalization. Therefore, much effort has been made to treat both sides simultaneously...
February 2018: Electronic Physician
https://www.readbyqxmd.com/read/29617079/effect-of-phyllanthus-niruri-on-metabolic-parameters-of-patients-with-kidney-stone-a-perspective-for-disease-prevention
#3
Nidia D Pucci, Giovanni S Marchini, Eduardo Mazzucchi, Sabrina T Reis, Miguel Srougi, Denise Evazian, William C Nahas
Phyllanthus niruri (P.niruri) or stone breaker is a plant commonly used to reduce stone risk, however, clinical studies on this issue are lacking. OBJECTIVE: To prospectively evaluate the effect of P. niruri on the urinary metabolic parameters of patients with urinary lithiasis. MATERIALS AND METHODS: We studied 56 patients with kidney stones <10mm. Clinical, metabolic, and ultrasonography assessment was conducted before (baseline) the use of P. niruri infusion for 12-weeks (P...
March 10, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29617078/complete-supine-percutaneous-nephrolithotomy-with-gopro%C3%A2-ten-steps-for-success
#4
Fabio Carvalho Vicentini, Hugo Daniel Barone Dos Santos, Carlos Alfredo Batagello, Julia Rothe Amundson, Evaristo Peixoto Oliveira, Giovanni Scala Marchini, Miguel Srougi, Willian Carlos Nahas, Eduardo Mazzucchi
OBJECTIVE: To show a video of a complete supine Percutaneous Nephrolithotomy (csPCNL) performed for the treatment of a staghorn calculus, from the surgeon's point of view. The procedure was recorded with a GoPro® camera, demonstrating the ten essential steps for a successful procedure. MATERIALS AND METHODS: The patient was a 38 years-old woman with 2.4cm of left kidney lower pole stone burden who presented with 3 months of lumbar pain and recurrent urinary tract infections...
March 15, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29614503/challenges-of-retrograde-ureteroscopy-in-patients-with-urinary-diversion-outcomes-and-lessons-learnt-from-a-systematic-review-of-literature
#5
Meghana N Ramachandra, Bhaskar K Somani
INTRODUCTION: Retrograde ureteroscopy (URS) can be safely and successfully performed in patients who have had previous urinary diversion (UD). With broadening indications and advances in technology, URS can be used in complex cases. In this review article, we have summarized the relevant published literature regarding the outcomes and challenges encountered during retrograde URS in patients with UD. MATERIALS AND METHODS: We conducted a systematic review of literature according to Cochrane and preferred reporting items for systematic reviews and meta-analysis guidelines for all studies reporting on retrograde URS from inception to September 2017...
April 3, 2018: Urologia Internationalis
https://www.readbyqxmd.com/read/29601836/unplanned-emergency-department-visits-and-hospital-admissions-following-ureteroscopy-do-ureteral-stents-make-a-difference
#6
Harsha R Mittakanti, Simon L Conti, Alan C Pao, Glenn M Chertow, Joseph C Liao, John T Leppert, Christopher S Elliott
OBJECTIVE: The comparative effectiveness of ureteral stents placed during ureteroscopy for urinary stone disease is widely debated. We sought to evaluate unplanned medical visits within the early post-operative period after ureteroscopy in patients with and without ureteral stent placement. MATERIALS AND METHODS: We identified all ureteroscopic procedures for urinary stone disease in the California Office of Statewide Health Planning and Development (OSHPD) database from 2010-2012...
March 27, 2018: Urology
https://www.readbyqxmd.com/read/29598155/two-are-no-different-than-one-ureteral-duplication-appears-to-have-no-effect-on-ureteroscopy-outcomes
#7
Nathan Chertack, Rajat Jain, Manoj Monga, Mark Noble, Sri Sivalingam
Introduction Ureteral duplication is the most common ureteral anomaly, occurring in 0.6-0.7% of the population. Our objective was to compare urolithiasis treatment outcomes in patients with and without ureteral duplication. Methods Patients with ureteral duplication who underwent ureteroscopy (URS) were identified in a stone registry at a high volume, tertiary care center from 1998 to 2015. Preoperative, intraoperative, and postoperative data were collected retrospectively. A 1:1 control cohort of patients without duplication was identified, matched by stone location and size, as well as age, BMI and gender...
March 29, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29594505/urinary-stone-risk-factors-in-the-descendants-of-patients-with-kidney-stone-disease
#8
Thasinas Dissayabutra, Nuttiya Kalpongkul, Jakkhaphan Rattanaphan, Chanchai Boonla, Monpicha Srisa-Art, Wattanachai Ungjaroenwathana, Piyaratana Tosukhowong
BACKGROUND: Evidence has indicated that immediate family members of nephrolithiasis patients had high opportunity to develop stones. However, they are usually not regarded to be at risk, since it is unclear if there are any lithogenic abnormalities found in non-stone-forming nephrolithiasis relatives. Our aim was to investigate urinary metabolic abnormalities in the children of nephrolithiasis patients, compared with the general population. METHODS: The 24-h urinary metabolic profile was studied for 28 calcium oxalate nephrolithiasis patients (NL) and 46 of their descendants (ND), as well as 40 non-stone-forming volunteers (V) and 34 of their descendants (VD)...
March 28, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29588429/hydroxyproline-metabolism-and-oxalate-synthesis-in-primary-hyperoxaluria
#9
Sonia Fargue, Dawn S Milliner, John Knight, Julie B Olson, W Todd Lowther, Ross P Holmes
Background Endogenous oxalate synthesis contributes to calcium oxalate stone disease and is markedly increased in the inherited primary hyperoxaluria (PH) disorders. The incomplete knowledge regarding oxalate synthesis complicates discovery of new treatments. Hydroxyproline (Hyp) metabolism results in the formation of oxalate and glycolate. However, the relative contribution of Hyp metabolism to endogenous oxalate and glycolate synthesis is not known. Methods To define this contribution, we performed primed, continuous, intravenous infusions of the stable isotope [15 N,13 C5 ]-Hyp in nine healthy subjects and 19 individuals with PH and quantified the levels of urinary13 C2 -oxalate and13 C2 -glycolate formed using ion chromatography coupled to mass detection...
March 27, 2018: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29573172/quantification-of-urinary-protein-biomarkers-of-autosomal-dominant-polycystic-kidney-disease-by-parallel-reaction-monitoring
#10
Navin Rauniyar, Xiaoqing Yu, Jennifer Cantley, Edward Voss, Justin Belcher, Chris Colangelo, Kathryn Stone, Neera Dahl, Chirag Parikh, TuKiet T Lam, Lloyd G Cantley
PURPOSE: Autosomal Dominant Polycystic Kidney Disease (ADPKD) is a life-long disease in which the genes responsible are known, but the pathogenesis of cyst formation and cyst growth are not understood. Cyst growth ultimately leads to end stage renal failure in most patients. Analysis of the urinary proteome offers the potential to identify proteins that indicate the presence of cysts (and thus provides diagnosis) as well as the rates of cyst growth (providing prognostic information). EXPERIMENTAL DESIGN: We performed scheduled Parallel Reaction Monitoring (sPRM) assay on urine samples from 14 patients and 18 normal controls...
March 23, 2018: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/29569213/prevalence-pathophysiological-mechanisms-and-factors-affecting-urolithiasis
#11
REVIEW
Aslam Khan
The formation of urinary stone, urolithiasis, is one the oldest known disease affecting human throughout different civilizations and times. The exact pathophysiological mechanism of urolithiasis is not yet clear, as these calculi are of various types and too complex for simple understanding. A single theory cannot explain its formation; therefore, different theories are presented in various times for its explanation like free particle, fixed particle, Randall's plaque theory. In addition, various factors and components are identified that play an important role in the formation of these urinary calculi...
March 22, 2018: International Urology and Nephrology
https://www.readbyqxmd.com/read/29562593/vitamin-d-hypercalciuria-and-kidney-stones
#12
REVIEW
Emmanuel Letavernier, Michel Daudon
The estimated lifetime risk of nephrolithiasis is growing nowadays, and the formation of kidney stones is frequently promoted by hypercalciuria. Vitamin D, and especially its active metabolite calcitriol, increase digestive calcium absorption-as urinary calcium excretion is directly correlated with digestive calcium absorption, vitamin D metabolites could theoretically increase calciuria and promote urinary stone formation. Nevertheless, there was, until recently, low evidence that 25-hydroxyvitamin D serum levels would be correlated with kidney stone formation, even if high calcitriol concentrations are frequently observed in hypercalciuric stone formers...
March 17, 2018: Nutrients
https://www.readbyqxmd.com/read/29545043/outcomes-of-ureteroscopic-stone-treatment-in-spinal-cord-injury-patients
#13
Duncan R Morhardt, Miriam Hadj-Moussa, He Chang, J Stuart Wolf, William W Roberts, John T Stoffel, Gary J Faerber, Anne P Cameron
OBJECTIVE: To evaluate the association of clinical factors on outcomes in SCI patients undergoing ureteroscopy. Immobility, recurrent urinary tract infection, and lower urinary tract dysfunction contribute to renal stone formation in spinal cord injury (SCI) patients. Ureteroscopy is a commonly utilized treatment modality, however, surgical complication rates and outcomes have been poorly defined. Evidence guiding safe and effective treatment of stones in this cohort remains scarce. METHODS: Records were retrospectively reviewed for SCI patients who underwent ureteroscopy for kidney stones from 1996-2014 at a single institution...
March 12, 2018: Urology
https://www.readbyqxmd.com/read/29522293/ureteroscopy-and-stone-treatment-in-the-elderly-%C3%A2-70-years-prospective-outcomes-over-5-years-with-a-review-of-literature
#14
Sarah Prattley, James Voss, Stephanie Cheung, Robert Geraghty, Patrick Jones, Bhaskar K Somani
OBJECTIVE: To assess outcomes of ureteroscopy for treatment of stone disease in the elderly. Ureteroscopy (URS) is an increasingly popular treatment modality for urolithiasis and its applications are ever expanding with the development of newer technologies. Its feasibility and outcomes within the elderly population to our knowledge remain under-reported. MATERIALS AND METHODS: We examined the patient demographics and surgical outcomes from our prospective database for patients ≥70 years who underwent URS for urolithiasis, in a 5-year period between March 2012 and December 2016...
March 9, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29518971/dietary-plants-for-the-prevention-and-management-of-kidney-stones-preclinical-and-clinical-evidence-and-molecular-mechanisms
#15
REVIEW
Mina Cheraghi Nirumand, Marziyeh Hajialyani, Roja Rahimi, Mohammad Hosein Farzaei, Stéphane Zingue, Seyed Mohammad Nabavi, Anupam Bishayee
Kidney stones are one of the oldest known and common diseases in the urinary tract system. Various human studies have suggested that diets with a higher intake of vegetables and fruits play a role in the prevention of kidney stones. In this review, we have provided an overview of these dietary plants, their main chemical constituents, and their possible mechanisms of action. Camellia sinensis (green tea), Rubus idaeus (raspberry), Rubia cordifolia (common madder), Petroselinum crispum (parsley), Punica granatum (pomegranate), Pistacia lentiscus (mastic), Solanum xanthocarpum (yellow-fruit nightshade), Urtica dioica (stinging nettle), Dolichos biflorus ( horse gram ), Ammi visnaga (khella), Nigella sativa (black-cumin), Hibiscus sabdariffa (roselle), and Origanum vulgare (oregano) have received considerable interest based on scientific evidence...
March 7, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29516304/role-of-minimally-invasive-micro-and-ultra-mini-pcnl-for-adult-urinary-stone-disease-in-the-modern-era-evidence-from-a-systematic-review
#16
REVIEW
Patrick Jones, Muhammad Elmussareh, Omar M Aboumarzouk, Phillip Mucksavage, Bhaskar K Somani
PURPOSE OF REVIEW: The role of PCNL and the expertise surrounding it has expanded in recent decades. Miniaturisation of equipment and instrument size has formed a part of this innovation. Although an increasing number of studies have been performed on miniaturised PCNL (Mi-PCNL) recently, a critical appraisal on these is lacking. We therefore conducted a systematic review of the literature to evaluate the efficacy, safety and feasibility of Mi-PCNL techniques (< 15 Fr). RECENT FINDINGS: A systematic review was conducted from 1990 to March 2017 on outcomes of Mi-PCNL [micro PCNL (m-PCNL) and ultra-mini PCNL (UMP)] in adult patients...
March 7, 2018: Current Urology Reports
https://www.readbyqxmd.com/read/29515627/kidney-stone-disease-an-update-on-current-concepts
#17
REVIEW
Tilahun Alelign, Beyene Petros
Kidney stone disease is a crystal concretion formed usually within the kidneys. It is an increasing urological disorder of human health, affecting about 12% of the world population. It has been associated with an increased risk of end-stage renal failure. The etiology of kidney stone is multifactorial. The most common type of kidney stone is calcium oxalate formed at Randall's plaque on the renal papillary surfaces. The mechanism of stone formation is a complex process which results from several physicochemical events including supersaturation, nucleation, growth, aggregation, and retention of urinary stone constituents within tubular cells...
2018: Advances in Urology
https://www.readbyqxmd.com/read/29510180/metabolic-syndrome-and-uric-acid-nephrolithiasis-insulin-resistance-in-focus
#18
REVIEW
Spatola Leonardo, Ferraro Manuel Pietro, Gambaro Giovanni, Badalamenti Salvatore, Dauriz Marco
Uric acid nephrolithiasis (UAN) is an increasingly common disease in ethnically diverse populations and constitutes about 10% of all kidney stones. Metabolic syndrome and diabetes mellitus are accounted amongst the major risk factors for UAN, together with environmental exposure, individual lifestyle habits and genetic predisposition. The development and overt manifestation of UAN appears to stem on the background of insulin resistance, which acts at the kidney level by reducing urinary pH, thus hampering the ability of the kidney to generate renal ammonium in response to an acid load...
March 3, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29478758/the-national-healthcare-safety-network-long-term-care-facility-component-early-reporting-experience-january-2013-december-2015
#19
Danielle L Palms, Elisabeth Mungai, Taniece Eure, Angela Anttila, Nicola D Thompson, Margaret A Dudeck, Jonathan R Edwards, Jeneita M Bell, Nimalie D Stone
BACKGROUND: In 2012, the Centers for Disease Control and Prevention launched the Long-term Care Facility (LTCF) Component of the National Healthcare Safety Network (NHSN) designed for LTCFs to monitor Clostridium difficile infections (CDIs), urinary tract infections (UTIs), infections due to multidrug-resistant organisms, including methicillin-resistant Staphylococcus aureus (MRSA), and infection prevention process measures. METHODS: We describe characteristics and reporting patterns of facilities enrolled in the first 3 years of the surveillance system and rate estimates for CDI, UTI, and MRSA data submitted between 2013 and 2015...
February 22, 2018: American Journal of Infection Control
https://www.readbyqxmd.com/read/29474848/urology-consultation-and-emergency-department-revisits-for-children-with-urinary-stone-disease
#20
Jane Kurtzman, Lihai Song, Michelle E Ross, Charles D Scales, David I Chu, Gregory E Tasian
PURPOSE: To determine the association between urology consultation and emergency department (ED) revisits for children with urinary stones. MATERIALS AND METHODS: This retrospective cohort study included patients ≤18 years-old who presented to an ED in South Carolina with a urinary stone from 1997-2015. The primary exposure was urology consultation during the index ED visit. The primary outcome was a stone-related ED revisit occurring within 180 days of discharge from an index ED visit...
February 20, 2018: Journal of Urology
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