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https://www.readbyqxmd.com/read/28229196/the-impact-of-ureteral-stent-indwelling-time-on-the-treatment-of-acute-infection-caused-by-ureteral-calculi
#1
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/28224087/fragmentation-of-severely-encrusted-ureteral-stent-indwelled-for-4%C3%A2-years-in-a-boy
#2
Guangjing Tao, Guojun Wu, Lijun Yang, Fuli Wang, Chao Han, Fei Liu, Jianlin Yuan
Four years ago, a 9-year-old boy received percutaneous nephrolithotomy (PCNL) and a 5F DJS was placed thereafter. The DJS was neglected until it caused serious complications including encrustation involving the whole stent, a 5-cm-diameter vesical stone, fragmentation of DJS, and serious urinary tract infection. For this rare and complex case of pediatric lithotomy, we combined PCNL with the suprapubic cystolithotomy for complete removal of the encrusted stent and associated stones without any complications and the patient was rendered stone- and stent-free safely...
May 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28222205/complex-cystine-kidney-stones-treated-with-combined-robot-assisted-laparoscopic-pyelolithotomy-and-intraoperative-renoscopy
#3
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/28220189/simple-and-practical-nomograms-for-predicting-the-stone-free-rate-after-shock-wave-lithotripsy-in-patients-with-a-solitary-upper-ureteral-stone
#4
Naoya Niwa, Kazuhiro Matsumoto, Makoto Miyahara, Minami Omura, Hiroaki Kobayashi, Eiji Kikuchi, Akira Miyajima, Kazutoyo Miyata, Mototsugu Oya
PURPOSE: To develop practical nomograms for predicting the stone-free rate after shock wave lithotripsy (SWL) in patients with a solitary stone in the proximal ureter. METHODS: Between July 2006 and June 2015, 319 patients with a proximal ureteral stone who underwent preoperative non-contrast enhanced computed tomography (NCCT) and subsequently received SWL were identified. Patients' age, gender, laterality, stone size, mean and maximum Hounsfield Unit (HU) of the stone, and skin-to-stone distance (SSD) were assessed...
February 20, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28216938/endogenous-endophthalmitis-as-a-septic-complication-postureteroscope-candiduria
#5
Fam Xeng Inn, Umi Kalthum Md Noh, Mohd Hafidzul Jasman
Ureteroscopy (URS) is commonly used by urologists to treat ureteral stones. It is a relatively low-risk procedure. Both urinary tract obstruction and contamination of instrument can cause candiduria post-URS, and this infection can be treated with an antifungal medication. Candidemia is known as hematogenous dissemination, and ocular tissue is a common invasion. However, endogenous endophthalmitis, due to postureteroscope candiduria, has not been reported up to date. This is a devastating complication that may lead to visual loss...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28216928/spontaneous-forniceal-rupture-can-it-be-treated-conservatively
#6
Ahmed Gaber Al-Mujalhem, Mohammed Sayed Ahmed Aziz, Mohammed Farag Sultan, Ahmed Mohammed Al-Maghraby, Mohammed Abdelmonem Al-Shazly
CONTEXT: Spontaneous forniceal rupture is one of the possible complications of urolithiasis. The mechanism of forniceal rupture is not well explained in the literature. Most of the cases presented with sudden onset of acute renal colic and diagnosed by noncontrast CT (NCCT). Until now there is no solid consensus about the ideal management of such a condition. AIM: To study indications and validity of conservative management of spontaneous caliceal rupture. SETTINGS AND DESIGN: This is an observational prospective study...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28212471/-management-of-ureteric-colic-with-ketorolac-and-nifedipin-vs-ketorolac-and-tamsulosin-in-the-emergency-room
#7
Álvaro J Montiel-Jarquín, Valeria M Rocha-Rocha, Hugo A Solís-Mendoza, María S Romero-Figueroa, Ivet Etchegaray-Morales, Ivan Alvarado-Ortega
BACKGROUND: Ureteric colic is the most common symptom of lithiasis. It is caused by the presence of stones accumulated in the renal papillae. These stones often migrate down the ureter, causing a ureteric colic, characterized by a severe pain in the lumbar region. The aim of this study was to compare the use of ketorolac and nifedipine vs. ketorolac and tamsulosin for the medical treatment of pain caused by stones in the lower ureter. METHODS: Longitudinal study of 150 patients of 21-years or older with stones in the lower third of the ureter...
2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28196661/pediatric-medical-device-development-by-surgeons-via-capstone-engineering-design-programs
#8
Bryan S Sack, Rodolfo A Elizondo, Gene O Huang, Nicolette Janzen, Jimmy Espinoza, Magdalena Sanz-Cortes, Jennifer E Dietrich, Julie Hakim, Eric Richardson, Maria Oden, John Hanks, Balakrishna Haridas, James F Hury, Chester J Koh
BACKGROUND: There is a need for pediatric medical devices that accommodate the unique physiology and anatomy of pediatric patients that is increasingly receiving more attention. However, there is limited literature on the programs within children's hospitals and academia that can support pediatric device development. We describe our experience with pediatric device design utilizing collaborations between a children's hospital and two engineering schools. METHODS: Utilizing the academic year as a timeline, unmet pediatric device needs were identified by surgical faculty and matched with an engineering mentor and a team of students within the Capstone Engineering Design programs at two universities...
February 6, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28185106/does-the-use-of-ureteral-stents-with-extraction-strings-increase-urinary-infection-rates
#9
Yuval Freifeld, Demitry Goldin, Luai Khalili, Boris Friedman, Leonid Boyarsky, Ilan Klein, Faris Gazy, Avi Stein, Yoram Dekel
PURPOSE: To assess the effect of ureteral stents with extraction string on the rate of postoperative UTI after ureteroscopies. METHODS: Retrospective analysis of patient records who underwent ureteroscopy from January 2011 to August 2014 was performed. Patients were grouped into three groups according to postoperative stent status: non-stented or ureteral catheter for up to 24 h (NS), ureteral stent without extraction string (US) and ureteral stent with an extraction string (US-E)...
February 9, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28182718/rigid-ureteroscopic-lithotripsy-versus-percutaneous-nephrolithotomy-for-large-proximal-ureteral-stones-a-meta-analysis
#10
Qing Wang, Jiachao Guo, Henglong Hu, Yuchao Lu, Jiaqiao Zhang, Baolong Qin, Yufeng Wang, Zongbiao Zhang, Shaogang Wang
OBJECT: To compare the safety and efficacy of rigid ureteroscopic lithotripsy (rigid URSL) and percutaneous nephrolithotomy (PCNL) in treating large proximal ureteral stones. METHODS: A systematic search of PubMed, EMBASE, Cochrane Library, and Web of Science databases was performed to find out relevant studies. After literature screening according to the predetermined inclusion and exclusion criteria, data of eligible studies was extracted and then a meta-analysis was conducted via RevMan 5...
2017: PloS One
https://www.readbyqxmd.com/read/28176914/upward-migration-of-a-ureteric-stone-in-a-military-trainer-a-case-report
#11
Moayid Fallatah, Sakher Tahaineh, Rawan Abu Mughli, Seddig M Fallatah
Retrograde ureteric stone migration is an extremely rare phenomenon with only one previously reported case in the literature. We report on a case of upward spontaneous migration of a ureteric stone in a 39-year-old male military trainer in Saudi Arabia who was diagnosed with upper left ureteric stone based on non-contrast spiral computerized tomography kidney ureter bladder (CT-KUB) scan. The plan was to treat the patient conservatively with alpha blockers and oral hydration. Two weeks after treatment started, repeated CT-KUB scan revealed an upward migration of the stone to the left renal calyx...
2017: Research and Reports in Urology
https://www.readbyqxmd.com/read/28166076/bedside-ultrasound-in-the-emergency-department-to-detect-hydronephrosis-for-the-evaluation-of-suspected-ureteric-colic
#12
R Shrestha, R M Shakya, A Khan A
Background Renal colic is a common emergency department presentation. Hydronephrosis is indirect sign of urinary obstruction which may be due to obstructing ureteric calculus and can be detected easily by bedside ultrasound with minimal training. Objective To compare the accuracy of detection of hydronephrosis performed by the emergency physician with that of radiologist's in suspected renal colic cases. Method This was a prospective observational study performed over a period of 6 months. Patients >8 years with provisional diagnosis of renal colic with both the bedside ultrasound and the formal ultrasound performed were included...
April 2016: Kathmandu University Medical Journal (KUMJ)
https://www.readbyqxmd.com/read/28163031/same-session-bilateral-ureteroscopy-for-multiple-stones-results-from-the-croes-urs-global-study
#13
K T Pace, T Kroczak, N J Wijnstok, G M Kamphuis, T Esen, C Toutziaris, B Silva, J J de la Rosette
INTRODUCTION: and Objective: This study presents a comparison of the international experience with ipsilateral ureteroscopy (I-URS) and bilateral ureteroscopy (B-URS) for multiple, bilateral ureteric and renal stones vs. single stone treatment. Patient and treatment characteristics and outcomes were compared. METHODS: The CROES Ureteroscopy Global Study includes 114 centers in 32 countries. Patients undergoing B-URS, I-URS for multiple stones, and URS for a single stone were examined from January, 2010 to October, 2012...
February 2, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28152097/minimally-invasive-percutaneous-nephrolithotomy-improves-stone-free-rates-for-impacted-proximal-ureteral-stones-a-systematic-review-and-meta-analysis
#14
Zi-Ming Gao, Shan Gao, Hong-Chen Qu, Kai Li, Ning Li, Chun-Lai Liu, Xing-Wang Zhu, Yi-Li Liu, Ping Wang, Xiao-Hua Zheng
BACKGROUND: Urinary stones are common medical disorders and the treatment of impacted proximal ureteral stones (IPUS) is still a challenge for urologists. The aim of this study was to compare the efficacy and safety of minimally invasive percutaneous nephrolithotomy (MI-PCNL) and ureteroscopic lithotripsy (URL) in the treatment of IPUS via a meta-analysis. METHODS: We collected studies using PubMed, Embase, and Cochrane Library from 1978 to November 2016 and analyzed them using Stata 12...
2017: PloS One
https://www.readbyqxmd.com/read/28145037/ureteric-stent-dwelling-time-a-risk-factor-for-post-ureteroscopy-sepsis
#15
Amihay Nevo, Roy Mano, Jack Baniel, David A Lifshitz
OBJECTIVES: To evaluate the association between stent dwelling time and sepsis after ureteroscopy, and identify risk factors for sepsis in this setting. PATIENTS AND METHODS: The prospectively collected database of a single institution was queried for all patients who underwent ureteroscopy for stone extraction between 2010 and 2016. Demographic, clinical, preoperative and operative data were collected. The primary study endpoint was sepsis within 48 h of ureteroscopy...
February 1, 2017: BJU International
https://www.readbyqxmd.com/read/28126487/single-pulse-per-second-setting-reduces-fluoroscopy-time-during-ureteroscopy
#16
Todd S Yecies, Anisleidy Fombona, Michelle J Semins
OBJECTIVE: To evaluate the effect of 1 pulse-per-second (pps) fluoroscopy on fluoroscopy time and surgeon radiation exposure during ureteroscopy. METHODS: A retrospective review of a single endourologist's operative records was performed over a 12 month period. Adult patients undergoing ureteroscopy were included. At the 6 month point, the switch from continuous "low-dose" to 1 pps "low-dose" fluoroscopy was made. Surgeon radiation exposure was measured using 1 dosimeter placed at the torso under the lead apron and 1 dosimeter overlying the chest outside the lead apron...
January 23, 2017: Urology
https://www.readbyqxmd.com/read/28124532/the-burden-of-chronic-ureteral-stenting-in-cervical-cancer-survivors
#17
Robert A Goldfarb, Yunhua Fan, Stephanie Jarosek, Sean P Elliott
PURPOSE: Ureteral obstruction in cervical cancer occurs in up to 11% of patients, many of whom undergo ureteral stenting. Our aim was to describe the patient burden of chronic ureteral stenting in a population-based cohort by detailing two objectives: (1) the frequency of repeat procedures for ureteral obstruction; and, (2) the frequency of urinary adverse effects (UAEs) (e.g., lower urinary tract symptoms, flank pain). MATERIALS AND METHODS: From SEER-Medicare, we identified 202 women who underwent ureteral stent placement prior to or following cervical cancer treatment...
January 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28117002/b3-adrenoceptor-control-of-lower-gen%C3%A4-tour%C3%A4-nary-tract-organs-and-funct%C3%A4-on-in-male-an-overv%C3%A4-ew
#18
Ecem Kaya, Suresh C Sikka, Didem Yilmaz Oral, Isil Ozakca, Serap Gur
BACKGROUND: The sympathetic nervous system is one component of the nervous regulatory system of the physiological function of the lower genitourinary tract. Our knowledge on the role of this sympathetic system has advanced during the last decade due to the characterization of b3-adrenoceptors (b3-ARs) in the urogenital system. OBJECTIVE: This review focuses on the pharmacological and molecular evidence supporting the functional roles of β3-AR in male genitourinary tissues of various species...
January 20, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28116737/efficacy-of-silodosin-dose-in-medical-expulsive-therapy-for-distal-ureteral-stones-a-retrospective-study
#19
Cem Nedim Yuceturk, Mumtaz Dadali, Muhammed Sahin Bagbanci, Berat Cem Ozgur, Yasin Aydogmus, Yildiray Yildiz, Muhammet Fatih Kilinc
PURPOSE: We aimed to investigate the efficacy of silodosin 4 mg/day and 8 mg/day for medical expulsive therapy(MET) of lower ureteral stones. MATERIALS AND METHODS: We retrospectively analyzed the medical records of 161 patients admitted to urologyclinics of Ahi Evran University Medical Faculty and Ankara Training and Research Hospital with distal ureteralstones and treated with MET with different doses of silodosin between January 2013 and August 2015. 81 patientswere treated with silodosin 4mg/day in group-1 and 80 patients with silodosin 8mg/day in group-2...
January 18, 2017: Urology Journal
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 4performance factors: penetration force, radial dilation force, opening dynamics and deflection limitation. MATERIAL 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 the 1.9F Boston Scientific Zero TipTM baskets were tested for penetration force (safety metric), radial dilation force (functional metric for ureteral calculi), and opening/closing dynamics...
January 16, 2017: Urology
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