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Stone management

Ahmet Nihat Karakoyunlu, Mehmet Caglar Cakici, Sercan Sari, Emre Hepsen, Hakki Ugur Ozok, Azmi Levent Sagnak, Hikmet Topaloglu, Aykut Bugra Senturk, Hamit Ersoy
PURPOSE: Management of ? 4 cm sized kidney stone is a rarely seen problem in urology. Few studies are present about this issue. Percutaneous nephrolithotomy(PNL), Retrograde Intrarenal Surgery(RIRS) and open surgery are the methods used in stone management. In our study we aimed to compare RIRS and PNL in the management of  ? 4 cm sized kidney stones. MATERIALS AND METHODS:   Among patients who had undergone RIRS and PNL in D?skap? Y?ld?r?m Beyaz?t Training and Research Hospital, 94 patients who had ? 4 cm sized kidney stones were included our study...
August 14, 2018: Urology Journal
Zhaoyi Chen, Victoria Y Bird, Rupam Ruchi, Mark S Segal, Jiang Bian, Saeed R Khan, Marie-Carmelle Elie, Mattia Prosperi
BACKGROUND: Kidney stone (KS) disease has high, increasing prevalence in the United States and poses a massive economic burden. Diagnostics algorithms of KS only use a few variables with a limited sensitivity and specificity. In this study, we tested a big data approach to infer and validate a 'multi-domain' personalized diagnostic acute care algorithm for KS (DACA-KS), merging demographic, vital signs, clinical, and laboratory information. METHODS: We utilized a large, single-center database of patients admitted to acute care units in a large tertiary care hospital...
August 17, 2018: BMC Medical Informatics and Decision Making
Salman Ahmed, Muhammad Mohtasheemul Hasan, Haroon Khan, Zafar Alam Mahmood, Seema Patel
About 12% of world population is affected by different forms of urolithiasis of which the recurrence rate in female is 47-60% and in male is 70-80%. Standard therapeutic agents (allopurinol, citrate, cystone and thiazide diuretics) are used to prevent and treat urolithiasis but these are not universally-effective due to common kidney stone relapse and other side effects. Surgical treatment causes long-term renal damage, hypertension and stone recurrence. Polyphenols, the plant-derived bioactive molecules, have showed protection against cancers, cardiovascular diseases, diabetes, osteoporosis and neurodegenerative diseases, among a number of other ailments...
July 20, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Rocio Perez-Johnston, Amy R Deipolyi, Anne M Covey
Biliary drainage is important in the care of patients with benign and malignant biliary obstruction. Careful preprocedure evaluation of high-quality cross-sectional imaging and inventory of symptoms are necessary to determine whether a percutaneous, endoscopic, or surgical approach is most appropriate. High bile duct obstruction is usually best managed percutaneously; a specific duct can be targeted and enteric contamination of isolated ducts can be avoided. Options for percutaneous biliary intervention include external or internal/external biliary drainage, stent placement, biliary stone retrieval, and bile duct biopsy...
September 2018: Gastroenterology Clinics of North America
Adrian Lim, Justine Le Clerc
Taurodontism is a rare embryologic anomaly of teeth, defined by an apical displacement of the furcation of roots and enlarged pulp chambers. Taurodontism has been classified as hypo-, meso- or hypertaurodontism according to the severity of the anomaly. The aim of this case report was to illustrate a clinical case with multiple bilateral taurodonts and to describe the endodontic management of the hypertaurodontic mandibular left second molar with a C-shaped canal and extensive dental pulp calcifications. A healthy 20-year-old male patient was referred for the endodontic treatment of his lower left second molar...
August 16, 2018: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
Mary Nauffal, Robert Redd, Jian Ni, Richard M Stone, Daniel J DeAngelo, Anne M McDonnell
Background Tumor lysis syndrome is an oncologic emergency due to the release of tumor cell contents, leading to metabolic derangements. Rasburicase, a recombinant urate oxidase, catabolizes uric acid. At our institution, we administer a single 6-mg dose of rasburicase to patients who are at risk for tumor lysis syndrome. We aimed to assess the efficacy of single 6-mg dose of rasburicase and explore risk factors associated with rasburicase failure. Methods We report results in 92 adult patients who had a baseline uric acid greater than 7...
August 15, 2018: Journal of Oncology Pharmacy Practice
Mohamed Ali, Abdelwahab Hashem, Tamer E Helmy, Tamer Zewin, Khaled Z Sheir, Ahmed A Shokeir
PURPOSE: Shock wave lithotripsy (SWL) in treatment of bladder and urethral stones was not precisely determined. The objective of this study is to compare the efficacy and safety of SWL versus visual cystolitholapaxy in the management of calcular acute urine retention. METHODS: From March 2015 to February 2017, a randomised controlled study was conducted on 100 patients for whom urethral catheter fixed for acute retention of urine due to urethral or vesical radio-opaque stone(s) ≤ 2 cm...
August 13, 2018: World Journal of Urology
Andréanne Cléroux
Urolithiasis commonly affects cats and dogs. The American College of Veterinary Internal Medicine established guidelines for the treatment of uroliths that reflect modern techniques prioritizing minimally invasive procedures with an emphasis on prevention strategies to limit morbidity and mortality. Extracorporeal shockwave lithotripsy and endoscopic nephrolithotomy constitute some of the minimally invasive treatment modalities available for upper urinary tract uroliths. Cystoscopic-guided basket retrieval, cystoscopic-guided laser lithotripsy, and percutaneous cystolithotomy are minimally invasive options for the management of lower urinary tract uroliths...
September 2018: Veterinary Clinics of North America. Small Animal Practice
Abdulhakim Al Otay, Osama Sarhan, Hossam S El-Tholoth, Ahmed Alhelaly, Hamad Al Akrash, Mustafa Al Ghanbar, Khaled Al Bedaiwi, Ziad Nakshabandi, Ali Obeid
Purpose: The aim is to assess the outcomes of different approaches for the management of renal stones associated with horseshoe kidneys (HSKs) in our institution over a 12-year period. Methods: A retrospective review of 144 patients with HSKs who presented from 2000 to 2012 was performed. Twenty-eight patients (19.4%) were found to have renal stones. Demographic data were collected; the method of treatment and the outcomes of stone management were reviewed. We excluded patients with non-functioning moieties and associated genitourinary anomalies, and those with incomplete data...
July 2018: Urology Annals
Vikram Satav, Vilas Sabale, Prasun Pramanik, Sharad P Kanklia, Sunil Mhaske
Purpose: To review our success in PCNL for managing large horse shoe kidney stones as primary treatment. Method: Between 2012 and 2016, a total of 23patients (24 renal units) underwent percutaneous renal surgery for stone dieses in horseshoe kidneys. Indications were HSK with stone more than 1 cm in size and failed ESWL. Results: Mean age was 35.60 ± 10.10 years out of which 18 were males and 5 females. One patient had stone in both kidneys...
July 2018: Urology Annals
Musliyarakath Mujeeburahiman, Chembili Vipin
Introduction: Renal calculi are one of the major reason leading to kidney failure or urinal obstructions. Percutaneous nephrolithotomy is considered as the major management option for intermediate to large renal pelvic stones. In the present study we compare Percutaneous nephrolithotomy vs laparoscopic pyelolithotomy procedures in the management of intermediate sized renal pelvic stones. Methods: The time duration of study was between July 2012 and Jan 2014, 20 patients with solitary intermediate sized renal pelvic stones were selected and randomly divided into two groups; group one included 10 patients who were treated by laparoscopic pyelolithotomy and group two included 10 patients who were treated by PCNL...
July 2018: Urology Annals
Michael Brandl, Maria M Martinez, Christoph Hauzenberger, Peter Filzmoser, Pål Nymoen, Natascha Mehler
Although Scandinavian flint is one of the most important materials used for prehistoric stone tool production in Northern and Central Europe, a conclusive method for securely differentiating between flint sources, geologically bound to northern European chalk formations, has never been achieved. The main problems with traditional approaches concern the oftentimes high similarities of SiO2 raw materials (i.e. chert and flint) on different scales due to similar genetic conditions and higher intra- than inter-source variation...
2018: PloS One
Ning Kang, Xing Guan, Liming Song, Xiaodong Zhang, Junhui Zhang
OBJECTIVE: To assess the safety, feasibility, and efficacy of simultaneous treatment of parapelvic renal cysts and stones by flexible ureterorenoscopy with a novel four-step cyst localization strategy in selected patients. PATIENTS AND METHODS: We retrospectively reviewed 11 consecutive cases of parapelvic renal cysts with concomitant calculi treated by flexible ureterorenoscopy and laser lithotripsy (FURSL). Marsupialization was performed subsequently with holmium: YAG laser in our institution...
July 30, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
Rebecca L Hartley, Jill P Stone, Claire Temple-Oberle
Male-to-Female (MtF) breast cancer events have been reported since 1968 however, MtF patients' risk of breast cancer remain unclear. Following PRISMA guidelines, electronic databases and grey literature were searched April 2018 to identify breast cancer events in MtF transgender persons. Screening and data extraction were independently performed in duplicate by two reviewers. Study quality was assessed using a component-based system. Qualitative analysis was performed on study characteristics, patient demographics, breast cancer characteristics, and breast cancer presentation and management...
July 25, 2018: European Journal of Surgical Oncology
Tomazo Antônio Prince Franzini, Thiago Arantes de Carvalho Visconti, Eduardo Guimarães Hourneaux de Moura
Large biliary stones can be well managed by electrohydraulic or laser lithotripsy(1,2). We present a 74 years old male with giant choledocolitiasis. Patient developed acute cholangitis and ERCP showed a 30mm common bile duct (CBD) stone with biliary duct dilation (22mm). Plastic biliary stent drainage was performed. Two other ERCPs also failed in stone removal. This article is protected by copyright. All rights reserved.
August 7, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
Kadir Yildirim, Mahmut Taha Olcucu, Muhammed Emre Colak
Introduction: In this study, a survey was prepared for urologists that asked about their primary choice of treatment for urolithiasis in daily practice and their answers were evaluated. Methods: The survey was prepared on the Google Docs website and it was sent to 1,016 urologists via email with 752 confirmed deliveries. In addition to the demographic questions about each participant's age, gender, and institution, the survey presented case scenarios focusing on their preferred treatment modalities for distal ureteric, proximal ureteric, and renal calculi...
2018: PeerJ
Martin J Clifford, Saleem H Ali, Kazuyo Matsubae
In this empirically grounded perspective, we explore how, if managed correctly, mining might go beyond a straight conversion of finite natural capital to financial resources. We suggest a process where mineral extraction could act as a catalyst for more diversified growth and even serve as a basis to restore forms of 'natural capital' it had previously diminished. The case in point-small in scale but significant in consequence-is the particularly challenging instance of the small-island state of Nauru, which has a very negative history of socio-ecological impacts of phosphate mining...
August 3, 2018: Ambio
Houmeng Yang, Xuping Yao, Chunbo Tang, Yuxi Shan, Guobin Weng
OBJECTIVE: To introduce flexible ureterorenoscopy with holmium laser lithotripsy in the management of symptomatic caliceal diverticular calculi. MATERIALS AND METHODS: The records of 26 patients who underwent flexible ureterorenoscopy and lithotripsy with holmium laser to manage symptomatic caliceal diverticular calculi from January 2012 to June 2016 were retrospectively reviewed. RESULT: Flexible ureterorenoscopy lithotripsy was successfully placed in all 26 patients...
August 1, 2018: Urology Journal
Andreas Fahlman, Katherine McHugh, Jason Allen, Aaron Barleycorn, Austin Allen, Jay Sweeney, Rae Stone, Robyn Faulkner Trainor, Guy Bedford, Michael J Moore, Frants H Jensen, Randall Wells
Diving mammals have evolved a suite of physiological adaptations to manage respiratory gases during extended breath-hold dives. To test the hypothesis that offshore bottlenose dolphins have evolved physiological adaptations to improve their ability for extended deep dives and as protection for lung barotrauma, we investigated the lung function and respiratory physiology of four wild common bottlenose dolphins ( Tursiops truncatus ) near the island of Bermuda. We measured blood hematocrit (Hct, %), resting metabolic rate (RMR, l O2 ⋅ min-1 ), tidal volume ( V T , l), respiratory frequency ( f R , breaths ⋅ min-1 ), respiratory flow (l ⋅ min-1 ), and dynamic lung compliance ( C L , l ⋅ cmH2 O-1 ) in air and in water, and compared measurements with published results from coastal, shallow-diving dolphins...
2018: Frontiers in Physiology
Lael Reinstatler, Karen Stern, Hunt Batter, Kymora B Scotland, Gholamreza Safaee Ardekani, Marcelino Rivera, Ben H Chew, Brian Eisner, Amy E Krambeck, Manoj Monga, Vernon M Pais
INTRODUCTION: and Objectives: Cystinuric patients are often treated with medical alkanalization and shockwave lithotripsy - both are hypothesized to increase the risk of calcium phosphate stones. We performed a multi-center retrospective review to evaluate whether patients with cystinuria develop stones of other composition and with what frequency. METHODS: We retrospectively reviewed a multi-institutional cohort of patients with cystinuria. We assessed medications, stone analyses, 24-hour urinalyses, types of procedures and compared patients who only formed cystine stones vs...
July 27, 2018: Journal of Urology
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