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https://www.readbyqxmd.com/read/29353466/inter-observer-agreement-between-urologists-and-radiologists-in-interpreting-the-computed-tomography-images-of-emergency-patients-with-renal-colic
#1
Jun Young Hong, Dong Hoon Lee, In Ho Chang, Sung Bin Park, Chan Woong Kim, Byung Hoon Chi
PURPOSE: Low-dose non-enhanced computed tomography (LDCT) has been shown to provide low radiation exposure with proper diagnostic accuracy compared to standard dose non-enhanced computed tomography (SDCT) in patients with renal colic. The goal of our study is to estimate the accuracy of LDCT and SDCT interpretation by emergency medicine residents who primarily treated patients with renal colic. MATERIALS AND METHODS: Thirty sample images of both LDCT and SDCT from renal colic patients were extracted from January 2013 to December 2015 in a tertiary teaching hospital...
January 21, 2018: Urology Journal
https://www.readbyqxmd.com/read/29350243/current-opinions-on-nephrolithiasis-associated-with-primary-hyperparathyroidism
#2
REVIEW
Xiaoming Cong, Luming Shen, Xiaojian Gu
Nephrolithiasis is a common urological disease and could be secondary to primary hyperparathyroidism (PHPT). PHPT is traditionally characterised with hypercalcaemia. Recently, a normocalcemic PHPT has been officially recognised at the International Workshops. Regarding this new phenotype, nephrolithiasis is frequently found in studies that evaluate low bone mass. However, until now, no study on aetiology of nephrolithiasis considered normocalcemic PHPT. Hypercalciuria related to PHPT is considered as an important risk factor of stone formation in hypercalcemic PHPT, but the precise relationships between hypercalcemic PHPT and nephrolithiasis and between normocalcemic PHPT and nephrolithiasis remain unclear...
January 19, 2018: Urolithiasis
https://www.readbyqxmd.com/read/29349571/fluoroscopy-free-ultrasonography-guided-percutaneous-nephrolithotomy-in-pediatric-patients-a-single-center-experience
#3
Akbar Nouralizadeh, Farzaneh Sharifiaghdas, Hamid Pakmanesh, Abbas Basiri, Mohammad Hadi Radfar, Mohammad Hossein Soltani, Mahmoodreza Nasiri, Esmaeil Rezghi Maleki, Emal Lesha, Mohammad Ghasemi-Rad, Behzad Narouie
OBJECTIVES: To present the safety and efficacy of fluoroscopy-free ultrasound-guided PCNL for the treatment of renal calculi in pediatric patients of all ages. METHODS: 30 children with mean age of 5 years (6 months-12 years) underwent totally ultrasound-guided PCNL from March 2013 to August 2016. The pyelocalyceal system was punctured in prone position using only ultrasonography guidance, and the tract was dilated using a single shot dilation technique. No fluoroscopy was used during any of the stages of renal access...
January 18, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29348991/medical-expulsive-therapy-for-distal-ureteral-stones-tamsulosin-versus-silodosin-in-the-turkish-population
#4
Ersan Arda, Basri Cakiroglu, Ilkan Yuksel, Esra Akdeniz, Gizem Cetin
Introduction Our aim was to contribute a study that includes a higher patient population to the limited number of studies comparing tamsulosin and silodosin in the treatment of distal ureteral stones. Material and methods Patients who presented with renal colic to the urology emergency clinic and were diagnosed with ureteral stones and followed-up with conservative treatment between January 2010 and January 2016 were retrospectively screened. According to the inclusion-exclusion criteria, the patients were divided into three groups...
November 15, 2017: Curēus
https://www.readbyqxmd.com/read/29345387/fortuitous-benefits-of-living-kidney-donation-diagnosis-of-serious-medical-conditions-during-the-living-donor-evaluation
#5
Arika Hoffman, Ketki Tendulkar, Shaheed Merani, Alexander Maskin, Alan Langnas
BACKGROUND: All living kidney donors are counseled about the possible surgical and medical risks associated with donation. Only a minority of transplant centers discuss the potential benefit of discovering undiagnosed medical conditions in the donor during evaluation, as part of their consent process. METHODS: We retrospectively investigated all potential living kidney donors evaluated over a 10-year period at a single center to characterize incidentally diagnosed serious medical conditions...
January 18, 2018: Clinical Transplantation
https://www.readbyqxmd.com/read/29343912/lateral-percutaneous-nephrolithotomy-a-safe-and-effective-surgical-approach
#6
Jonathan Jian Wei Gan, Jaslyn Ju Lia Gan, Jasmine Ju Hsien Gan, Kim Tiong Lee
Introduction: Percutaneous nephrolithotomy (PCNL) is traditionally performed with the patient in the prone position for large renal calculi. However, anesthetic limitations exist with the prone position. Similarly, the supine position is associated with poorer ergonomics due to the awkward downward position of the renal tract, a smaller window for percutaneous puncture, and a higher risk of anterior calyx puncture. This study aimed to demonstrate the feasibility and safety of lateral-PCNL in managing large renal calculi without the disadvantages of prone and supine positions...
January 2018: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/29343086/percutaneous-nephrolithotomy-and-spina-bifida-complex-major-stone-surgery
#7
Stephen Mitchell, Pratik Gurung, Simon Choong, Timothy Morris, Daron Smith, Christopher Woodhouse, Timothy Philp
Background The incidence of spina bifida (SB) is approx 1:1000, and risk of stone disease is substantially raised in SB. This is the unique published study of the outcome of patients with SB undergoing percutaneous nephrolithotomy (PCNL) compared to a neurologically intact historically matched control group at the same institution. Patients and Method A series of 96 PCNLs in 13 SB and 50 non-SB control patients was analysed. The following measurements were recorded: (1) Co-morbidities; (2) Pre-operative: (renal function, American Society of Anesthesiologists (ASA) score); (3) Intra-operative: (anaesthesia time, number of tracks, stone free rate) and (4) Post-operative: (sepsis, intensive therapy unit (ITU) and total length of stay, transfusion rate, stone composition, rate of stone disease-related nephrectomy)...
January 17, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29342419/investigation-of-the-transport-of-xanthine-dehydrogenase-inhibitors-by-the-urate-transporter-abcg2
#8
Makiko Nakamura, Kyoko Fujita, Yu Toyoda, Tappei Takada, Hiroshi Hasegawa, Kimiyoshi Ichida
Hyperuricemia induces gout and kidney stones and accelerates the progression of renal and cardiovascular diseases. Adenosine 5'-triphosphate-binding cassette subfamily G member 2 (ABCG2) is a urate transporter, and common dysfunctional variants of ABCG2, non-functional Q126X (rs72552713) and semi-functional Q141K (rs2231142), are risk factors for hyperuricemia and gout. A recent genome wide association study suggested that allopurinol, a serum uric acid-lowering drug that inhibits xanthine dehydrogenase, is a potent substrate of ABCG2...
November 22, 2017: Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/29338314/inflammatory-cytokines-in-the-papillary-tips-and-urine-of-nephrolithiasis-patients
#9
Andrew Yang Sun, Bryan Hinck, Benjamin R Cohen, Karen Keslar, Robert L Fairchild, Manoj Monga
INTRODUCTION: Intrarenal inflammation has been implicated in the pathogenesis of nephrolithiasis, with prior work showing increased urine levels of IL-6, IL-8, and CCL-2 in stone patients. However, no studies have assessed for inflammation in the renal papillae. We sought to characterize novel papillary tip and urinary biomarkers in stone patients. METHODS: 92 patients with nephrolithiasis undergoing percutaneous nephrolithotomy were enrolled. Papillary tip biopsies, kidney urine, and bladder urine were collected, as well as voided urine from 8 healthy volunteers...
January 16, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29336749/heroic-measures-for-an-american-hero-attempting-to-save-the-life-of-general-douglas-macarthur
#10
Theodore N Pappas
General Douglas MacArthur was a towering public figure on an international stage for the first half of the 20th century. He was healthy throughout his life but developed a series of medical problems when he entered his 80s. This article reviews the General's medical care during two separate life-threatening medical crises that required surgical intervention. The first episode occurred in 1960 when MacArthur presented with renal failure due to an obstructed prostate. Four years later after his 84th birthday, MacArthur developed bile duct obstruction from common duct stones...
December 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/29333511/evaluating-the-importance-of-different-computed-tomography-scan-based-factors-in-predicting-the-outcome-of-extracorporeal-shock-wave-lithotripsy-for-renal-stones
#11
Muhammad Waqas, Imad-Ud-Din Saqib, Muhammad Imran Jamil, Mohammad Ayaz Khan, Saeed Akhter
Purpose: To evaluate the impact of various computed tomography scan-based parameters of renal stones on the outcome of extracorporeal shock wave lithotripsy (ESWL). Materials and Methods: We conducted a retrospective study of patients who underwent ESWL for renal stones (sized 5-20 mm) from January 2013 to December 2016. We evaluated body mass index, location of the stone, skin-to-stone distance (SSD), stone attenuation value (SAV), stone diameter, Hounsfield density, stone area, and stone volume...
January 2018: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/29330993/chemical-composition-of-stones-in-paediatric-urolithiasis
#12
Kiran Imran, Mirza Naqi Zafar, Naureen Fatima, Uzma Ozair, Sajid Sultan, Syed Adibul Hasan Rizvi
BACKGROUND: Chemical composition of stones is one of the important diagnostic criteria for aetiology of stone formation and treatment to prevent recurrence. This paper reports composition of stones in children at a tertiary hospital by Fourier Transformation Infrared Spectroscopy (FTIR). METHODS: Between January-June 2015, 412 urinary stones from children were analysed by FTIR. Chi-square tests were used for the comparison of categorical measurements between groups...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29322602/outcomes-of-more-than-1-000-percutaneous-nephrolithotomies-and-validation-of-guy-s-stone-score
#13
Petronio Augusto de Souza Melo, Fabio Carvalho Vicentini, Artur Agostinho Beraldi, Marcelo Hisano, Claudio Bovolenta Murta, Joaquim Francisco de Almeida Claro
OBJECTIVE: To present the experience with percutaneous nephrolithotomy (PCNL) at a high-volume Brazilian centre and to evaluate Guy's stone score (GSS) as a predictor of success and complications in PCNL. PATIENTS AND METHODS: We prospectively evaluated patients who underwent PCNL between June 2011 and October 2016. Indications for PCNL included renal stones larger than 2 cm and calculi smaller than 2 cm in which first-line techniques had failed. All patients underwent a complete pre-operative evaluation, including non-contrast-enhanced abdominal computed tomography (CT)...
January 11, 2018: BJU International
https://www.readbyqxmd.com/read/29316803/the-clinical-efficacy-of-dual-lumen-catheter-technique-in-retrograde-intrarenal-surgery-for-the-management-of-nephrolithiasis-a-propensity-score-analysis
#14
Hyung Suk Kim, Sangjun Yoo, Sung Yong Cho
OBJECTIVE: To assess the clinical efficacy of dual-lumen catheter technique in retrograde intrarenal surgery (RIRS) in terms of stone-free rate. METHODS: The data of 172 patients who underwent RIRS for renal stones between 2010 and 2017 were retrospectively reviewed. Patients were classified into two groups depending on whether dual-lumen catheter technique was used (group 1, n=25) or not (group 2, n=147) during RIRS. In turn, all patients of group 1 were compared to those of group 2 using propensity score analysis methods...
January 9, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29307337/in-vitro-effects-of-novel-type-m-v-o-derivatives-on-xanthine-oxidase
#15
Mustafa Oğuzhan Kaya, Gülşah Çeli K Gül, Figen Kurtuluş
Xanthine Oxidase (XO) is related with different diseases such as vascular, gout, nephropathy and renal stone diseases that are relevant to high uric acid levels and oxidative stress. Some common natural inhibitors of xanthine oxidase are known as rosmarinic acid and apigenin. With this study, we aimed to determine inhibitory effects of originally synthesized new generation transition metal vanadates on Xanthine Oxidase (XO) from bovine milk. Because, Xanthine oxidase inhibitors are typically used in the treatment of gout and nephropathy and renal stone diseases linked to hyperuricaemia...
December 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/29306638/rectus-abdominis-detrusor-myoplasty-radm-for-acontractile-hypocontractile-bladder-in-spinal-cord-injury-patients-preliminary-report
#16
Pawan Agarwal, Shabbir Husain, Sudesh Wankhede, D Sharma
BACKGROUND: Urinary bladder dysfunction in the form of acontractile/hypocontractile bladder is very common after spinal cord injury and it may lead to recurrent urinary tract infection (UTI), stones formation, and deteriorating renal function. Conventionally, these patients evacuate their bladders by life-long clean intermittent catheterization (CIC) or an indwelling catheter (IC). For these patients, another option is to use innervated skeletal muscle wrap around the bladder to augment detrusor function and voluntary evacuation of bladder...
December 14, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29306265/factors-affecting-the-urologist-s-decision-to-administer-ureteral-stone-therapy-a-retrospective-cohort-study
#17
Mun Ki Min, Ji Ho Ryu, Yong In Kim, Maeng Real Park, Seok Ran Yeom, Sang Kyoon Han, Seong Wook Park
OBJECTIVE: We aimed to evaluate the factors influencing treatment option selection among urologists for patients with ureteral stones, according to the stone diameter and location. METHODS: We retrospectively reviewed the records of 360 consecutive patients who, between January 2009 and June 2014, presented to the emergency department with renal colic and were eventually diagnosed with urinary stones via computed tomography. The maximal horizontal and longitudinal diameter and location of the stones were investigated...
December 2017: Clinical and Experimental Emergency Medicine
https://www.readbyqxmd.com/read/29299887/is-the-homocysteine-level-a-good-predictive-marker-for-evaluating-kidney-function-in-patients-after-percutaneous-nephrolithotomy
#18
Ismail Karlidag, Deniz Abat, Adem Altunkol, Volkan Izol, Erkan Demir, Ibrahim Atilla Aridogan
PURPOSE: The purpose of this study is to evaluate the preoperative, early and late postoperative homocysteine levels and its relationship with kidney function in patients after undergoing percutaneous nephrolithotomy (PNL). MATERIALS AND METHODS: Twenty-three patients with kidney stones underwent PNL and blood samples were taken preoperatively as well as at 48 hours and three months after the operation. The homocysteine level was determined by high pressure liquid chromatography and the fluorometric method in blood samples with ethylenediaminetetraaceticacid...
January 4, 2018: Urology Journal
https://www.readbyqxmd.com/read/29299773/a-comparative-epidemiological-study-of-acute-renal-colic-presentations-to-emergency-departments-in-doha-qatar-and-melbourne-australia
#19
Sameer A Pathan, Biswadev Mitra, Zain A Bhutta, Isma Qureshi, Elle Spencer, Asmaa A Hameed, Sana Nadeem, Ramsha Tahir, Shahzad Anjum, Peter A Cameron
BACKGROUND: This study aimed to compare the epidemiology, clinical presentations, management, and outcomes of renal colic presentations in two major academic centers from geographically diverse populations: Qatar (a country in the Afro-Asian stone belt) and South-Eastern Australia (not within a stone belt). METHODS: We undertook a retrospective cohort study of patients with renal colic who presented to the Hamad General Hospital Emergency Department (HGH-ED), Qatar, and The Alfred ED, Melbourne, Australia, during a period of 1 year from August 1, 2012, to July 31, 2013...
January 3, 2018: International Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29298785/secondary-stone-formation-over-a-suture-material-after-partial-nephrectomy
#20
Kumar Prem, Somesh Janoria, Pankaj Kumar
We hereby present the treatment of renal pelvic and lower pole stones of sizes 2.74×1 cm and 1.38×0.92 cm, respectively, forming over a nidus of non-absorbable suture, in a 50-year-old female patient with a history of open partial nephrectomy done for renal angiomyolipoma around 10 years back. She was successfully treated with percutaneous nephrolithotomy technique under spinal anaesthesia. There was complete stone clearance, and she was discharged in stable condition within 40 hours of surgery without any stent...
January 3, 2018: BMJ Case Reports
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