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Ureteral calculi

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https://www.readbyqxmd.com/read/28427449/urolithiasis-analysis-in-a-multiethnic-population-at-a-tertiary-hospital-in-nairobi-kenya
#1
Francis K Wathigo, Alfred Hayombe, Daniel Maina
BACKGROUND: Urolithiasis is a global problem whose incidence is reported to be on the rise across the world. Previously, urolithiasis was reported as being rare among the indigenous African population but recent data suggest otherwise. This study reviewed the demographic and clinical characteristics of patients with urolithiasis seen at the Aga Khan University hospital Nairobi (AKUHN) as well as the chemical composition of the stones and the modalities of therapy used. METHODS: This was a retrospective study which utilized patients' clinical and laboratory records from 2013 to 2014...
April 20, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28417852/nuclear-medicine-in-pediatric-nephro-urology-an-overview
#2
REVIEW
Iosif Mendichovszky, Bernardita Troncoso Solar, Naima Smeulders, Marina Easty, Lorenzo Biassoni
In the context of ante-natally diagnosed hydronephrosis, the vast majority of children with a dilated renal pelvis do not need any surgical treatment, as the dilatation resolves spontaneously with time. Slow drainage demonstrated at Tc-99m-mercaptoacetyltriglycine (MAG3) renography does not necessarily mean obstruction. Obstruction is defined as resistance to urinary outflow with urinary stasis at the level of the pelvic-ureteric junction (PUJ) which, if left untreated, will damage the kidney. Unfortunately this definition is retrospective and not clinically helpful...
May 2017: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/28367661/increased-prevalence-of-premature-ejaculation-in-men-with-metabolic-syndrome
#3
Nader Salama, Ahmed Eid, Ahmed Swedan, Alaa Hatem
This prospective study aimed to investigate the relationship between metabolic syndrome (Met S) and premature ejaculation (PE) among men. The study included 300 consecutive male patients (53.6 y ± 8.7) who attended the urology clinic (December 2013-September 2014), mostly complaining of renal/ureteric calculi. A diagnostic approach was undertaken to include demographics, clinical features and laboratory investigations of the study subjects. Both erectile function and PE were evaluated using the International Index of Erectile Function (abridged form, IIEF-5) and Premature Ejaculation Diagnostic Tool (PEDT) questionnaires, respectively...
February 21, 2017: Aging Male: the Official Journal of the International Society for the Study of the Aging Male
https://www.readbyqxmd.com/read/28365782/role-of-silodosin-as-medical-expulsive-therapy-in-ureteral-calculi-a-meta-analysis-of-randomized-controlled-trials
#4
Xin-Jian Liu, Jian-Guo Wen, You-Dong Wan, Bo-Wen Hu, Qing-Wei Wang, Yan Wang
The objective of this study is to investigate the efficacy of silodosin in medical expulsive therapy (MET) for ureteral stones. We conducted a systematic review and meta-analysis to determine the efficacy and safety of silodosin in MET for ureteral calculi. We searched PubMed, Embase, Medline, Central (the Cochrane Library, Issue 1,2013), Google Scholar from the inception to March 2015 for randomized controlled trials (RCTs), comparing silodosin with tamsulosin or control on ureteral stone passage. Eight RCTs with a total of 1145 ureteral stone patients (300 patients in the control group, 287 patients in the tamsulosin group, 558 patients in the silodosin group) were included in this meta-analysis...
April 1, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28351191/acute-kidney-injury-after-percutaneous-nephrolithotomy-for-stones-in-solitary-kidneys
#5
Ahmed R El-Nahas, Diaa-Eldin Taha, Hussien M Ali, Ahmed M Elshal, Mohamed H Zahran, Nasr A El-Tabey, Ahmed M El-Assmy, Ahmed M Harraz, Hazem E Moawad, Mahmoud M Othman
OBJECTIVES: The aim of this study was to report the incidence, severity, outcome and risk factors of acute kidney injury (AKI) following percutaneous nephrolithotomy (PNL) in solitary kidneys. METHODS: The study included consecutive adult patients who underwent PNL for treatment of calculi in a solitary kidney between May 2012 and July 2015. Patients with congenital renal anomalies or with stages 4 and 5 chronic kidney disease (CKD) were excluded. Serum creatinine levels were measured the day before PNL, daily after PNL for 2-5 days and after 3 months...
March 29, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28346915/safety-and-efficacy-of-flexible-ureteroscopy-in-combination-with-holmium-laser-lithotripsy-for-the-treatment-of-bilateral-upper-urinary-tract-calculi
#6
Bing Yang, Hao Ning, Zheng Liu, Yi Zhang, Chengfan Yu, Xianghua Zhang, Dongliang Pan, Kejia Ding
OBJECTIVE: To retrospectively evaluate the safety and efficacy of flexible ureteroscopy (FURS) in combination with holmium laser lithotripsy for the treatment of bilateral upper urinary calculi. MATERIALS AND METHODS: The stone-free status was defined as the absence of any stones or asymptomatic status, or the presence of clinically insignificant residual fragments <4 mm, and was assessed by plain kidney, ureter, and bladder X-ray. The operative time, stone-free rates (SFRs), serum creatinine (SCr), and complications were recorded...
March 28, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28331263/clinical-profile-of-surgical-diseases-with-emergence-of-new-problems-in-hiv-individuals
#7
Tejaswini Vallabha, Mandar Dhamangaonkar, Vikram Sindgikar, Ravindra Nidoni, Harshavardhan Biradar, Aniketan Kv, Ramakant Baloorkar
North Karnataka is one of the regions with the high prevalence of HIV+ individuals. Bijapur is a district in North Karnataka with high prevalence as per fact sheets of NACO of March 2012. Better awareness, access to health care, and antiretroviral therapy have improved survival and increase in number of people living with HIV/AIDS (PLHA). Improved survival has increased their attendance to hospitals with variety of surgical problems, some known and some less known. The percentage of HIV+ individuals was 1.64 % among all admissions...
February 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/28306333/efficacy-and-safety-of-naftopidil-in-the-medical-expulsion-therapy-for-distal-ureteral-stone-a-systematic-review-and-meta-analysis
#8
Jun Li, Zhuang Tang, Liang Gao, Jinhong Li, Feng Qin, Jiuhong Yuan
PURPOSE: The selective α-adrenoceptor blocker is widely used as a cost-effective treatment option for medical expulsive therapy (MET) of ureteral stones. In this review, we aimed to assess the efficacy and safety of naftopidil for MET compared with control or tamsulosin. METHODS: A systematic literature search was performed in PubMed, Cochrane Library, Embase, and Google Scholar to identify randomized controlled trials that compared naftopidil with either control or tamsulosin for the management of distal ureteral stones...
March 17, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28303335/treatment-selection-for-urolithiasis-percutaneous-nephrolithomy-ureteroscopy-shock-wave-lithotripsy-and-active-monitoring
#9
Mahesh Desai, Yinghao Sun, Noor Buchholz, Andrew Fuller, Tadashi Matsuda, Brian Matlaga, Nicole Miller, Damien Bolton, Mohammad Alomar, Arvind Ganpule
Urolithiasis is a significant worldwide source of morbidity, constituting a common urological disease that affects between 10 and 15% of the world population. Recent technological and surgical advances have replaced the need for open surgery with less invasive procedures. The factors which determine the indications for percutaneous nephrolithotomy include stone factors (stone size, stone composition, and stone location), patient factors (habitus and renal anomalies), and failure of other treatment modalities (ESWL and flexible ureteroscopy)...
March 16, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28289943/intra-patient-comparison-of-reduced-dose-model-based-iterative-reconstruction-with-standard-dose-adaptive-statistical-iterative-reconstruction-in-the-ct-diagnosis-and-follow-up-of-urolithiasis
#10
Sean Tenant, Chun Lap Pang, Prageeth Dissanayake, Varut Vardhanabhuti, Colin Stuckey, Catherine Gutteridge, Christopher Hyde, Carl Roobottom
OBJECTIVES: To evaluate the accuracy of reduced-dose CT scans reconstructed using a new generation of model-based iterative reconstruction (MBIR) in the imaging of urinary tract stone disease, compared with a standard-dose CT using 30% adaptive statistical iterative reconstruction. METHODS: This single-institution prospective study recruited 125 patients presenting either with acute renal colic or for follow-up of known urinary tract stones. They underwent two immediately consecutive scans, one at standard dose settings and one at the lowest dose (highest noise index) the scanner would allow...
March 13, 2017: European Radiology
https://www.readbyqxmd.com/read/28275513/extending-indications-of-micropercutaneous-nephrolithotomy-it-is-not-just-about-cracking-stones
#11
Arvind P Ganpule, Jaspreet Singh Chhabra, S B Sudharsan, Ankush Jairath, Mohankumar Vijaykumar, Ravindra Sabnis, Mahesh R Desai
OBJECTIVE: To describe our experience and results of using the MicroPerc™ micropercutaneous nephrolithotomy armamentarium (PolyDiagnost, Germany) for unusual indications unexplored using this modality. PATIENTS AND METHODS: We used the MicroPerc™ system for stone clearance in three ureteric calculi, two bladder calculi, one case of urethral calculus, for antegrade biopsy in a case of upper tract urothelial carcinoma, for Deflux® (dextranomer/hyaluronic copolymer, Salix Pharmaceuticals, Uppsala, Sweden) injection in three cases of vesico-ureteric reflux (VUR), and three cases of posterior urethral valve (PUV) fulgurations...
March 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/28261676/efficacy-of-phosphodiesterase-type-5-inhibitors-for-the-treatment-of-distal-ureteral-calculi-a-systematic-review-and-meta-analysis
#12
Carlos Eduardo Montes Cardona, Herney Andrés García-Perdomo
PURPOSE: To determine the efficacy of phosphodiesterase type 5 inhibitors (PDE5i) as medical expulsive therapy (MET) for the treatment of distal ureteral calculi. MATERIALS AND METHODS: A search strategy was conducted in the MEDLINE, CENTRAL, and Embase databases. Searches were also conducted in other databases and unpublished literature. Clinical trials were included without language restrictions. The risk of bias was evaluated with the Cochrane Collaboration's tool...
March 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/28247325/medical-expulsive-therapy-worthwhile-or-wishful-thinking
#13
REVIEW
Tad Kroczak, Kenneth T Pace, Jason Y Lee
PURPOSE OF REVIEW: We set out to provide an overview of the most recent evidence for medical expulsive therapy (MET). Conflicting level 1 evidence for and against the use of MET has been published. RECENT FINDINGS: The largest double-blind randomized control trial (1110 patients) comparing placebo, tamsulosin, and nifedipine found no benefit for MET in preventing the need for secondary intervention. A recent meta-analysis of 55 randomized trials using alpha-blockers suggests that no benefit is seen with smaller ureteric calculi, but patients with larger ureteric calculi experience shorter times to stone passage, fewer episodes of pain, require less surgical intervention, and fewer hospital admissions...
April 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28229196/the-impact-of-ureteral-stent-indwelling-time-on-the-treatment-of-acute-infection-caused-by-ureteral-calculi
#14
Yun-Feng Shi, Wen-Long Ju, Yi-Ping Zhu, Shu-Jie Xia, Xiao-Wen Sun
Ureteric stenting is an effective drainage method in patients with acute urinary tract infection caused by ureteral calculi; however, the optimal ureteral stent indwelling time has not been clearly defined. The aim of this study was to evaluate the effect of ureteric stent indwelling time on the treatment of acute infection secondary to urinary tract calculi. A total of 142 patients with acute infection caused by urinary tract calculi were identified retrospectively from January 2011 to August 2015 at our institution...
February 22, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28228880/crossed-nonfused-renal-ectopia-with-variant-blood-vessels-a-rare-congenital-renal-anomaly
#15
Nawal Ebrahim Al-Hamar, Khalid Khan
Crossed renal ectopia is a rare congenital anomaly, where one of the kidneys crosses the midline and lies opposite to the site of its normal ureteral insertion. Ninety percent of crossed ectopic kidneys are fused to their ipsilateral uncrossed kidney. Crossed renal ectopia without fusion is rare. We present the case of a 53-year-old male with an unusual incidental finding of crossed nonfused renal ectopia, with the left ectopic kidney lying anterior to the right kidney without fusion. The ectopic kidney had dual arterial supply: one from the aorta and another from the right renal artery...
March 2017: Radiology case reports
https://www.readbyqxmd.com/read/28222205/complex-cystine-kidney-stones-treated-with-combined-robot-assisted-laparoscopic-pyelolithotomy-and-intraoperative-renoscopy
#16
Luca Meggiato, Francesco Cattaneo, Fabio Zattoni, Fabrizio Dal Moro, Paolo Beltrami, Filiberto Zattoni
INTRODUCTION: Cystinuria, a rare autosomal recessive disease characterized by a defect in cystine renal reabsorption, can often determine complex cystine renal calculi, leading to important complications such as urinary obstruction, urinary infections, and impaired kidney function. Complex kidney stones can have a difficult management and can be very arduous to treat. CASE DESCRIPTION: We present the case of a 20-year-old Jeowah's witness woman with complex cystine renal stones treated with combined robot-assisted laparoscopic pyelolithotomy and intraoperative renoscopy...
February 18, 2017: Urologia
https://www.readbyqxmd.com/read/28216934/adrenal-myelolipoma-with-osseous-metaplasia-and-hypercortisolism
#17
Ujwal Kumar, Shivam Priyadarshi, Vinay Tomar, Rishi Raj Vohra
Adrenal myelolipomas are rare adrenal tumors generally diagnosed incidentally. A 42-year-old female reported to us with complaints of left flank pain attributable to her left ureteric calculi. On evaluation, a large adrenal mass was diagnosed along with hypercortisolism. After adrenalectomy, the histopathology revealed adrenal myelolipoma along with osseous metaplasia not reported in English literature, to the best of our knowledge till date.
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28119847/ureteral-rupture-caused-by-a-suprapubic-catheter-in-a-male-patient-with-spinal-cord-injury-a-case-report
#18
Hye Jung Choi, Chang Han Lee, Heesuk Shin
Spinal cord injury (SCI) may lead to urinary system disturbances. Patients with SCI usually have neurogenic bladder, and treatment optionss for this condition include clean intermittent catheterization and a permanent indwelling urethral or suprapubic catheter. Complications of catheterization include urinary tract infection, calculi, urinary tract injury, bladder contraction, bladder spasm, renal dysfunction, bladder cancer, and so forth. To the best of our knowledge, ureteral rupture is an unusual complication of catheterization, and ureteral rupture has been rarely reported in SCI patients...
December 2016: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28114785/pelvic-phlebolith-a-trivial-pursuit-for-the-urologist
#19
Angus Chin On Luk, Paul Cleaveland, Louise Olson, Donald Neilson, Shalom Justus Srirangam
OBJECTIVE: Pelvic phleboliths are commonly encountered on plain and CT imaging and remain a source of frustration when attempting to differentiate them from ureteral calculi. Given their frequency, surprising little is known about their significance. We review the literature on pelvic phleboliths, specifically in relation to their history, demography, clinical significance, and methods to distinguish them from ureteral calculi. METHODS: A comprehensive literature search was performed for all articles concerning pelvic phleboliths...
April 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28104422/tipless-nitinol-stone-baskets-comparison-of-penetration-force-radial-dilation-force-opening-dynamics-and-deflection
#20
Nishant Patel, Arash Akhavein, Bryan Hinck, Rajat Jain, Manoj Monga
OBJECTIVE: To evaluate 5 commercially available tipless nitinol baskets (2.2F) in 4 performance factors: penetration force, radial dilation force, opening dynamics, and deflection limitation. MATERIALS AND METHODS: The 2.2F Coloplast Dormia No-Tip, 1.5F Sacred Heart Medical Halo, 2.2F Cook NCircle Nitinol Tipless Stone Extractor, 1.9F Bard SkyLite Tipless Nitinol Basket, and 1.9F Boston Scientific Zero Tip Nitinol Stone Retrieval Basket were tested for penetration force (safety metric), radial dilation force (functional metric for ureteral calculi), and opening or closing dynamics...
January 16, 2017: Urology
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