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https://www.readbyqxmd.com/read/28544299/mini-pcnl-for-renal-calculi-does-size-matter
#1
Derek B Hennessey, Ned K Kinnear, Andrew Troy, David Angus, Damien M Bolton, David R Webb
OBJECTIVE: To evaluate the minimally invasive percutaneous nephrolithotomy (MIP) system for renal calculi. PATIENTS AND METHODS: Consecutive patients undergoing mini-percutaneous nephrolithotomy (mPCNL) procedures with the MIP system were enrolled. Patient position, American Society of Anesthesiologists classification, puncture location, stone clearance, postoperative drainage and complications were recorded, and features unique to MIP were noted. RESULTS: In all, 30 patients underwent 32 mPCNL procedures...
May 2017: BJU International
https://www.readbyqxmd.com/read/28537440/metabolic-characteristics-and-risks-associated-with-stone-recurrence-in-korean-young-adult-stone-patients
#2
Ho Won Kang, Sung Pil Seo, Won Tae Kim, Yong-June Kim, Seok Joong Yun, Wun-Jae Kim, Sang-Cheol Lee
PURPOSE The aim of the present study was to assess the metabolic characteristics and risk of stone recurrence in young adult stone patients in Korea. PATIENTS AND METHODS The medical records of 1,532 patients presenting with renal or ureteric stones at our stone clinic between 1994 and 2015 were retrospectively reviewed. Patients were grouped according to age (young adult, 18-29yr; intermediate onset, 30-59yr; old age, ≥ 60 yr) at first presentation and measurements of clinicometabolic characteristics and risks of stone recurrence were compared...
May 24, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28537418/short-term-changes-in-algometry-inclinometry-stabilometry-and-urinary-ph-analysis-after-a-thoracolumbar-junction-manipulation-in-patients-with-kidney-stones
#3
Ángel Oliva Pascual-Vaca, Ramón Punzano-Rodríguez, Pablo Escribá-Astaburuaga, Juan Carlos Fernández-Domínguez, François Ricard, Maria Angeles Franco-Sierra, Cleofás Rodríguez-Blanco
OBJECTIVES: To determine the efficacy of a high-velocity low-amplitude manipulation of the thoracolumbar junction in different urologic and musculoskeletal parameters in subjects suffering from renal lithiasis. DESIGN: Randomized, controlled blinded clinical study. SETTINGS/LOCATION: The Nephrology departments of two hospitals and one private consultancy of physiotherapy in Valencia (Spain). SUBJECTS: Forty-six patients suffering from renal lithiasis...
May 24, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28537042/safety-and-efficacy-of-percutaneous-nephrolithotomy-in-patients-with-severe-skeletal-deformities
#4
Seyed Habibollah Mousavi-Bahar, Shahriar Amirhasani, Maede Mohseni, Rezgar Daneshdoost
PURPOSE: Treatment of renal calculi in patients with severe skeletal deformities can be challenging. We present our experience in order to provide an assessment of technical difficulties, associated complications, and outcomes of percutaneous nephrolithotomy (PCNL) as a treatment option in this special patient group. MATERIALS AND METHODS: Our study included eight patients treated with PCNL for renal stones. All had severe skeletal deformities including six with severe kyphoscoliosis, one with osteogenesis imperfecta, and another withrickets...
May 23, 2017: Urology Journal
https://www.readbyqxmd.com/read/28536682/a-case-of-intramural-coronary-amyloidosis-associated-with-hemodialysis
#5
Faisal M Huq Ronny, George Kleinman, Paul James Kurtin, John Thomas Fallon
Dialysis-related amyloidosis predominantly occurs in osteo-articular structures and dialysis-related amyloid (DRA) substances also deposit in extra-articular tissues. Clinical manifestations of DRA include odynophagia, gastrointestinal hemorrhage, intestinal obstruction, kidney stones, myocardial dysfunction, and subcutaneous tumors. The pathological characteristics of DRA in the heart of hemodialysis patients have rarely been reported. We report the case of a 73-year-old female with a history of cerebral palsy and end-stage renal disease status post two failed renal transplants who had been on hemodialysis for 30 years...
January 2017: Autopsy & case reports
https://www.readbyqxmd.com/read/28534536/current-clinical-scoring-systems-of-percutaneous-nephrolithotomy-outcomes
#6
REVIEW
Wayland J Wu, Zeph Okeke
Percutaneous nephrolithotomy has become the preferred treatment modality for patients with large renal calculi. The technique provides excellent stone clearance, but complication rates are higher than those of minimally invasive techniques, such as ureteroscopy and shockwave lithotripsy. Guy's stone score, S.T.O.N.E. nephrolithometry, the CROES nomogram, and S-ReSC are contemporary scoring systems introduced to provide standardized grading of stone complexity and outcomes of percutaneous stone surgery. Guy's stone score is easy to apply and has been validated in multiple studies...
May 23, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28534001/frequency-of-acute-hepatitis-following-acute-paraphenylene-diamine-intoxication
#7
Rizwan Ishtiaq, Sadaf Shafiq, Ali Imran, Qazi Masroor Ali, Raheel Khan, Hassan Tariq, Daniyal Ishtiaq
INTRODUCTION: Paraphenylene diamine (PPD) ingestion is manifesting as one of the more common ways of committing suicide in Southern Punjab, Pakistan, especially Bahawalpur. PPD is an ingredient of a compound commonly known "Kala Pathar" which means "Black Stone" in Urdu. It is readily available in the market at low cost and is used to dye hair and fur. Its intoxication inhibits cellular oxidation and affects the muscles causing rhabdomyolysis. This leads to myoglobinuria followed by renal failure and edema of face and throat resulting in respiratory difficulty...
April 21, 2017: Curēus
https://www.readbyqxmd.com/read/28526969/glycaemia-and-phosphatemia-after-oral-glucose-and-maltitol-ingestion-in-subjects-from-two-different-race-groups-preliminary-evidence-of-inter-race-differences-in-metabolism-and-possible-implications-for-urinary-stone-disease
#8
Takalani Theka, Allen Rodgers
PURPOSE: Glucose (Glu) and maltitol (Mal) ingestion affect calciuria and phosphaturia. Renal phosphate leak involving hypophosphatemia is thought to be a mechanism. Inter-race differences in carbohydrate metabolism are known. We investigated the effects of Glu and Mal ingestion on glycaemia and phosphatemia in subjects from two race groups to better understand potential implications for nephrolithiasis. METHODS: Healthy black (B) (n = 8) and white (W) (n = 8) males followed a self-selected standardized diet for 7 days and a strictly controlled standardized diet on Day 8...
May 19, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28522925/urinary-tract-stone-development-in-patients-with-myelodysplasia-subjected-to-augmentation-cystoplasty
#9
Courtney L Shepard, Guaqiao Wang, Betsy D Hopson, Erika B Bunt, Dean G Assimos
Patients with myelodysplasia who have undergone augmentation cystoplasty are at risk for urinary tract stones. We sought to determine the incidence and risk factors for stone development in this population. The charts of 40 patients with myelodysplasia who have undergone augmentation cystoplasty were reviewed. None had a prior history of urinary tract stones. All patients were seen on an annual basis with plain abdominal imaging, renal ultrasonography, and laboratory testing. Statistical analysis included a multivariable bootstrap resampling method and Student's t-test...
2017: Reviews in Urology
https://www.readbyqxmd.com/read/28521550/detection-and-evaluation-of-renal-injury-in-burst-wave-lithotripsy-using-ultrasound-and-magnetic-resonance-imaging
#10
Philip Clark May, Wayne Kreider, Adam D Maxwell, Yak-Nam Wang, Bryan W Cunitz, Philip M Blomgren, Cynthia Johnson, Joshua Sh Park, Michael R Bailey, Donghoon Lee, Jonathan D Harper, Mathew D Sorensen
PURPOSE: Burst wave lithotripsy (BWL) is a transcutaneous technique with potential to safely and effectively fragment renal stones. Preclinical investigations of BWL require the assessment of potential renal injury. This study evaluates the capabilities of real-time ultrasound and magnetic resonance imaging (MRI) to detect and evaluate BWL injury that was induced in porcine kidneys. MATERIALS AND METHODS: Ten kidneys from five female farm pigs were treated with either a 170 kHz or 335 kHz BWL transducer using variable treatment parameters and monitored in real time with ultrasound...
May 18, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28515805/is-computed-tomography-defined-obstruction-a-predictor-of-urological-intervention-in-emergency-department-patients-presenting-with-renal-colic
#11
Peter Alexander Massaro, Avinash Kanji, Paul Atkinson, Ryan Pawsey, Tom Whelan
INTRODUCTION: Our objective was to determine whether unilateral calculus-induced ureteric obstruction on computed tomography (CT) was independently associated with the need for urological intervention and 30-day return to the emergency department (ED). METHODS: We performed a retrospective cohort study of patients with symptomatic urinary calculi diagnosed by unenhanced helical CT. Stepwise regression analysis was used to determine the predictors of urological intervention and 30-day return to the ED...
March 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28508979/urinothorax-in-a-child-secondary-to-obstructive-renal-stone-in-a-solitary-functioning-kidney-a-case-report
#12
Muhammad Waqas, Gul Nawaz, Avais Raja, Ijaz Hussain, Muhammad Waqas Iqbal
Urinothorax or presence of urine in pleural cavity is a highly unusual cause of pleural effusion. It is most commonly secondary to genitourinary trauma and obstructive uropathy. We here by present a case of urinothorax secondary to renal stone disease in a 5-year-old child with a solitary functioning kidney.
November 2016: CEN Case Reports
https://www.readbyqxmd.com/read/28506053/-laparoscopic-pyelolithotomy-in-a-horseshoe-kidney-a-case-report-and-review-of-the-literature
#13
Tateki Yoshino, Koji Wake, Tomoyuki Sugitani, Koji Kodama, Hiroaki Shiina, Hiroaki Yasumoto, Ayumi Kadowaki, Kazuo Kawakami
A 76-year-old man was introduced to our department with a right kidney stone. On the basis of further examination, he was diagnosed with a 23 mm right kidney stone accompanied with a horseshoe kidney. Retrograde pyelography and diuretic renogram revealed a non-obstructed right ureteropelvic junction. Finally, we chose laparoscopic pyelolithotomy via peritoneal approach because the stone was large and accompanied with a horseshoe kidney. The surgery took 165 minutes and the estimated blood loss was 25 ml. There were no minor or major complications...
April 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28505915/re-rna-interference-in-the-treatment-of-renal-stone-disease-current-status-and-future-potentials
#14
Dean G Assimos
No abstract text is available yet for this article.
June 2017: Journal of Urology
https://www.readbyqxmd.com/read/28502039/possible-involvement-of-the-lipoxygenase-and-leukotriene-signaling-pathways-in-cisplatin-mediated-renal-toxicity
#15
Osama A Alkhamees, Abdulaziz S Alroujayee, Hatem M Abuohashish, Fatima S Alrojayee, Mohammed M Ahmed
PURPOSE: The present study examined the possible involvement of the lipoxygenase (LOX) pathway in cisplatin (CPT)-induced nephrotoxicity. METHODS: Wistar albino rats were challenged with CPT IP injection (7.5 mg/kg) and were sacrificed after one week. Signs of renal dysfunction, including urea and creatinine clearance levels and renal histological structure, were investigated. Gene and protein expression levels of different LOX pathway enzymes and products, including 5-LOX, 12-LOX, 15-LOX, 5-LOX activating protein (FLAP), leukotriene A4 hydrolase (LTA4 hydrolase), leukotriene C4 synthase (LTC4 synthase), LTB4 receptor, and cysteinyl (cys) LT receptor types 1 and 2, were also determined in the kidneys using real-time PCR and western blotting, respectively...
May 13, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28497077/what-do-we-know-about-pediatric-renal-microlithiasis
#16
REVIEW
Mohammad Amin Fallahzadeh, Jafar Hassanzadeh, Mohammad Hossein Fallahzadeh
Renal or calyceal microlithiasis is a common disorder with increasing prevalence especially in infants and younger children. The main presenting symptoms and the underlying metabolic abnormalities of renal microlithiasis are similar to renal stone. Although renal microlithiasis is considered as a main problem of the health system with diverse etiologies, our information about its natural course is very limited. Hence, further investigations to make an appropriate clinical approach to this entity is mandatory...
2017: Journal of Renal Injury Prevention
https://www.readbyqxmd.com/read/28496123/systematic-evaluation-for-effects-of-urine-ph-on-calcium-oxalate-crystallization-crystal-cell-adhesion-and-internalization-into-renal-tubular-cells
#17
Juthatip Manissorn, Kedsarin Fong-Ngern, Paleerath Peerapen, Visith Thongboonkerd
Urine pH has been thought to be an important factor that can modulate kidney stone formation. Nevertheless, there was no systematic evaluation of such pH effect. Our present study thus addressed effects of differential urine pH (4.0-8.0) on calcium oxalate (CaOx) crystallization, crystal-cell adhesion, crystal internalization into renal tubular cells, and binding of apical membrane proteins to the crystals. Microscopic examination revealed that CaOx monohydrate (COM), the pathogenic form, was crystallized with greatest size, number and total mass at pH 4...
May 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28495592/mir-21-promotes-fibrogenesis-in-peritoneal-dialysis
#18
Melisa Lopez-Anton, Mark Lambie, Manuel Lopez-Cabrera, Claus P Schmitt, Vicente Ruiz-Carpio, Maria Bartosova, Betti Schaefer, Simon Davies, Timothy Stone, Robert Jenkins, Philip R Taylor, Nicholas Topley, Timothy Bowen, Donald Fraser
Peritoneal dialysis (PD) is a life-saving form of renal replacement therapy for those with end-stage kidney disease. Mesothelial cells (MCs) line the peritoneal cavity and help define peritoneal response to treatment-associated injury, a major reason for treatment failure. miRNAs are important regulators, but their roles in peritoneal fibrosis are largely unknown. In this study, miR-21 was one of the most abundant miRNAs in primary MCs, and was up-regulated by the profibrotic cytokine transforming growth factor-β1 and in PD effluent-derived MCs exhibiting mesenchymal phenotypic change...
May 8, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28494641/establishment-and-evaluation-of-patient-specific-virtual-ureteroscopy-in-assisting-flexible-ureteroscopy-for-urolithiasis
#19
Yi Zhang, Cheng-Fan Yu, Jun-Hui Zhang, Lu-Dong Qiao, Wei Yan, Cai-Peng Qin
OBJECTIVES: To establish virtual ureteroscopy (VU) through computed tomography urography (CTU) data from patients with upper urinary tract (UUT) stones indicated for flexible ureteroscopy (fURS) and to validate its effectiveness. METHODS: Patient-specific VU generation was accomplished through incorporating CTU data into specialized software (Crusher) developed on the open access Visualization Tools Kit (VTK). These were then presented to fURS experts and novice urologists for evaluation and comparison using modified Likert-type questionnaire of 10-point rating scales (1 = not at all useful/not at all realistic/poor, 10 = very useful/very realistic/ excellent)...
May 1, 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28491855/nephrolithiasis-in-elderly-population-effect-of-demographic-characteristics
#20
Emadoddin Moudi, Seyed Reza Hosseini, Ali Bijani
BACKGROUND: Kidney stone (nephrolithiasis) is one of the most common diseases. During the past several decades, its prevalence and incidence have increased markedly in elderly population. OBJECTIVES: This study was conducted to evaluate the risk factors for nephrolithiasis in elderly population. PATIENTS AND METHODS: This study was based on the Amirkola Health and Ageing Project (AHAP). Elderly people with kidney stones in every size, type and number were considered to be the case group and other subjects without a history of kidney stones served as control group...
March 2017: Journal of Nephropathology
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