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https://www.readbyqxmd.com/read/27912973/micro-ureteroscopy-for-the-treatment-of-distal-ureteral-calculi-in-children
#1
Mehmet Mazhar Utanğaç, Ahmet Ali Sancaktutar, Abdulkadir Tepeler
OBJECTIVE: The objective of this study was to demonstrate the efficacy and safety of micro-ureteroscopy (micro-URS) in the management of distal ureteral stones in the pediatric population. MATERIALS AND METHODS: A total of 11 children, who had undergone micro-URS between September 2015 and April 2016 with the indication of distal ureteral calculi in two referral centers, were retrospectively evaluated. The procedures were performed with the patient in the lithotomy position under general anesthesia using the standard URS technique with a micro-ureteroscope that has a caliber of 4...
November 17, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27911457/what-is-the-impact-of-extracorporeal-shock-wave-lithotripsy-on-semen-parameters-a-systematic-review-and-meta-analysis
#2
Mohammad H Radfar, Nasser Simforoosh, Mehdi Sotoudeh, Mehdi H Ramezani, Mohammad J Mollakoochakian, Maryam Nikravesh, Hamidreza Shemshaki
BACKGROUND: Extracorporeal shock wave lithotripsy (ESWL) is an important tool for the management of urolithiasis. The effects of shockwaves on tissues are established. The aim of this meta-analysis is to evaluate the microscopic semen characteristics of young men before and after ESWL treatment for lower ureteral calculi. METHODS: Literature searches were performed following the Cochrane guidelines. We conducted a systematic review and meta-analysis that included six trials that investigated the effects of ESWL on semen parameters, including sperm concentration, motility, and hematospermia...
December 2, 2016: Urologia
https://www.readbyqxmd.com/read/27908918/alpha-blockers-for-treatment-of-ureteric-stones-systematic-review-and-meta-analysis
#3
John M Hollingsworth, Benjamin K Canales, Mary A M Rogers, Shyam Sukumar, Phyllis Yan, Gretchen M Kuntz, Philipp Dahm
OBJECTIVE:  To investigate the efficacy and safety of alpha blockers in the treatment of patients with ureteric stones. DESIGN:  Systematic review and meta-analysis. DATA SOURCES:  Cochrane Central Register of Controlled Trials, Web of Science, Embase, LILACS, and Medline databases and scientific meeting abstracts to July 2016. REVIEW METHODS:  Randomized controlled trials of alpha blockers compared with placebo or control for treatment of ureteric stones were eligible...
December 1, 2016: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/27903253/developing-a-preoperative-predictive-model-for-ureteral-length-for-ureteral-stent-insertion
#4
Takashi Kawahara, Kentaro Sakamaki, Hiroki Ito, Shinnosuke Kuroda, Hideyuki Terao, Kazuhide Makiyama, Hiroji Uemura, Masahiro Yao, Hiroshi Miyamoto, Junichi Matsuzaki
BACKGROUND: Ureteral stenting has been a fundamental part of various urological procedures. Selecting a ureteral stent of optimal length is important for decreasing the incidence of stent migration and complications. The aim of the present study was to develop and internally validate a model for predicting the ureteral length for ureteral stent insertion. METHODS: This study included a total of 127 patients whose ureters had previously been assessed by both intravenous urography (IVU) and CT scan...
November 30, 2016: BMC Urology
https://www.readbyqxmd.com/read/27900939/incidence-and-implications-of-silent-hydronephrosis-following-percutaneous-nephrolithotomy%C3%A2
#5
Lawrence Dagrosa, Rachel Moses, Vernon Pais
OBJECTIVE: While routine renal imaging following ureteroscopy for urinary calculi has been recommended to screen for asymptomatic "silent" obstruction, the rate of silent obstruction following percutaneous nephrolithotomy (PCNL) remains poorly defined, and no consensus recommendations exist on routine postoperative imaging. At our institution, we sought to assess the incidence of silent hydronephrosis (SH), as a screen for obstruction, following PCNL. METHODS: The records of all 162 patients who met study inclusion criteria were reviewed...
November 30, 2016: Clinical Nephrology
https://www.readbyqxmd.com/read/27900215/drug-treatment-of-bothersome-lower-urinary-tract-symptoms-after-ureteric-jj-stent-insertion-a-contemporary-comparative-prospective-randomised-placebo-controlled-study-single-centre-experience
#6
Ihab A Hekal
OBJECTIVE: To provide a guide for medication to alleviate bothersome lower urinary tract symptoms (LUTS) in patients after JJ ureteric stenting. PATIENTS AND METHODS: Between June 2011 and June 2015, a prospective randomised placebo-controlled study was conducted on 200 consecutive cases of ureteric stones that required JJ stents. All patients had signed informed consent and JJ-stent placement confirmed by X-ray. The patients were randomised into five groups: A, solifenacin 5 mg; B, trospium chloride 20 mg; C, antispasmodic; and E, α-blocker; and a placebo group (D)...
December 2016: Arab Journal of Urology
https://www.readbyqxmd.com/read/27889982/external-validation-and-evaluation-of-reliability-and-validity-of-the-triple-d-score-to-predict-stone-free-status-after-shock-wave-lithotripsy
#7
Faruk Ozgor, Muhammed Tosun, Yunus Kayali, Metin Savun, Murat Binbay, Abdulkadir Tepeler
OBJECTIVE: The Triple D scoring system is defined as novel and simple nomogram using the main parameters (skin-to-stone distance, stone density, and volume) in order to indicate most appropriate patients for shock-wave lithotripsy (SWL). We aimed to evaluate the accuracy of the Triple D scoring system in predicting SWL success rates. PATIENTS AND METHODS: In two tertiary academic centers, charts were retrospectively analyzed of patients who had, between January 2014 and May 2016, been treated by SWL for radiopaque kidney stones...
November 27, 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27878053/treatment-strategies-for-large-impacted-upper-ureteral-stones
#8
COMMENT
Eyup Burak Sancak, Alpaslan Akbas
No abstract text is available yet for this article.
August 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/27871076/semi-rigid-ureteroscopy-for-proximal-ureteral-stones-does-adjunctive-tamsulosin-therapy-increase-the-chance-of-success
#9
Abul-Fotouh Ahmed, Aref Maarouf, Essam Shalaby, Saad Alshahrani, Mohamed El-Feky, Sabri Khaled, Abdullah Daoud, Ahmed Soliman, Esam Desoky, Hisham El-Helaly
OBJECTIVES: To assess the efficacy of adjunctive tamsulosin therapy in improving the success rate of laser-assisted semi-rigid ureteroscopy (URS) for removing proximal ureteral stones. PATIENTS AND METHODS: This prospective study included 165 patients with proximal ureteral stones ≥10 mm. The patients were randomly assigned to a tamsulosin group (Group I, n = 81) receiving tamsulosin 0.4 mg daily for 1 week pre-URS and a control group (Group II, n = 84) without tamsulosin therapy...
November 22, 2016: Urologia Internationalis
https://www.readbyqxmd.com/read/27868099/endourologic-and-open-ureterolithotomy-and-common-sheath-reimplant-for-large-bladder-and-distal-ureteral-calculi
#10
Madeline Cancian, Joseph Brito, Joseph Renzulli, Gyan Pareek
A twenty-eight-year-old female with a history of suprapubic pain and recurrent urinary tract infections presents for urology referral with a kidney, ureter, and bladder radiograph showing a 4.4 cm bladder calculus and 6.5 cm distal left ureteral stone. She underwent effective cystolitholapaxy of the bladder stone. Endourologic attempt (left ureteroscopy) was unsuccessful because of ureteral stone burden. Findings at ureteroscopy revealed a duplicated system on the left with the lower pole moiety joining just proximal to the ureteral orifice...
2016: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/27868098/neuroendocrine-tumor-of-the-ureter-a-zebra-among-horses
#11
Akshay Sood, Sean R Williamson, David A Leavitt
Primary neuroendocrine tumors of the upper urinary tract are extremely rare. We report a case of de novo small cell carcinoma of the ureter that presented masquerading as a distal ureteral stone. A 55-year-old lady presented to our clinic with 1 month history of right lower back pain and hematuria. Her history was notable for stage 1B mixed clear cell-endometroid cancer of the uterus status post radical abdominal hysterectomy with adjuvant radiotherapy, 7 years before the current episode. The patient had no evidence of recurrence...
2016: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/27868091/aftermath-of-grade-3-ureteral-injury-from-passage-of-a-ureteral-access-sheath-disaster-or-deliverance
#12
Roshan M Patel, Zhamshid Okhunov, Kamaljot Kaler, Ralph V Clayman
Background: The ureteral access sheath (UAS) has revolutionized the management of urinary pathology in the upper tract by providing rapid repeatable access to the upper urinary tract. However, in many practices, it remains a controversial tool in endourology given concerns of possible ureteral injury and presumed long-term sequela from those injuries. This case suggests that these concerns may be more hypothetical than real. Case Presentation: A 32-year-old female with a history of recurrent nephrolithiasis presented with left-sided symptomatic renal colic...
2016: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/27865972/paediatric-urolithiasis-in-emerging-economies
#13
REVIEW
S Adibul Hasan Rizvi, Sajid Sultan, Mirza Naqi Zafar, Sadaf Aba Umar, Bashir Ahmed, S A Anwar Naqvi
BACKGROUND: Paediatric urolithiasis remains endemic in low resource countries. This review highlights the epidemiology, causation and management of urolithiasis in an Asian country in the context of emerging economies. METHODS: A literature review of recent articles with key words paediatric urolithiasis, developing countries, endemic stone disease, stone composition, metabolic risk factors, management of paediatric urolithiasis was undertaken and 51 relevant articles were selected with the main focus on experience of this center in managing stone disease in the last two decades...
November 16, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27859390/stone-tissue-differentiation-for-holmium-laser-lithotripsy-using-autofluorescence-clinical-proof-of-concept-study
#14
Birgit Lange, Dieter Jocham, Ralf Brinkmann, Jens Cordes
BACKGROUND AND OBJECTIVES: Holmium laser lithotripsy is the gold standard for intracorporeal fragmentation of urinary calculi. Usually, a visible beam is superimposed on the IR treatment laser as an aiming beam to guide the surgeon. In vitro tests showed that this aiming beam (532 nm, power <1 mW) excites strong fluorescence on human calculi. Tissue, in contrast, emitted much weaker fluorescence. If this is verified in vivo, the fluorescence signal induced by the aiming beam could be used to implement a feedback loop, preventing the Holmium laser being fired on tissue...
November 12, 2016: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/27856357/clinical-effectiveness-in-the-diagnosis-and-acute-management-of-pediatric-nephrolithiasis
#15
REVIEW
Jason P Van Batavia, Gregory E Tasian
The incidence of pediatric nephrolithiasis has risen over the past few decades leading to a growing public health burden. Children and adolescents represent a unique patient population secondary to their higher risks from radiation exposure as compared to adults, high risk of recurrence, and longer follow up time given their longer life expectancies. Ultrasound imaging is the first-line modality for diagnosing suspected nephrolithiasis in children. Although data is limited, the best evidence based medicine supports the use of alpha-blockers as first-line MET in children, especially when stones are small and in a more distal ureteral location...
November 14, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27852120/kim-1-is-a-potential-urinary-biomarker-of-obstruction-results-from-a-prospective-cohort-study
#16
Daniel Olvera-Posada, Thamara Dayarathna, Marie Dion, Husain Alenezi, Alp Sener, John D Denstedt, Stephen E Pautler, Hassan Razvi
INTRODUCTION: Partial or complete obstruction of the urinary tract is a common and challenging urological condition that may occur in patients of any age. Serum creatinine is the most commonly used method to evaluate global renal function, although it has low sensitivity for early changes in the glomerular filtration rate or unilateral renal pathology. Hence, finding another measurable parameter that reflects the adaptation of the renal physiology to these circumstances is important. Several recent studies have assessed the use of new biomarkers of Acute Kidney Injury (AKI), but the information among patients with stone disease and those with obstructive uropathy is limited...
November 16, 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27847914/ureteral-stenting-can-be-a-negative-predictor-for-successful-outcome-following-shock-wave-lithotripsy-in-patients-with-ureteral-stones
#17
Dong Hyuk Kang, Kang Su Cho, Won Sik Ham, Doo Yong Chung, Jong Kyou Kwon, Young Deuk Choi, Joo Yong Lee
PURPOSE: To evaluate ureteral stenting as a negative predictive factor influencing ureteral stone clearance and to estimate the probability of one-session success in shock wave lithotripsy (SWL) patients with a ureteral stone. MATERIALS AND METHODS: We retrospectively reviewed the medical records of 1,651 patients who underwent their first SWL. Among these patients, 680 had a ureteral stone measuring 4-20 mm and were thus eligible for our study. The 57 patients who underwent ureteral stenting during SWL were identified...
November 2016: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/27847670/postrenal-failure-due-to-urinary-stones-associated-with-acute-viral-gastroenteritis-three-case-reports
#18
Satoru Kira, Takahiko Mitsui, Hidenori Zakoji, Tadashi Aoki, Norifumi Sawada, Tatsuya Miyamoto, Masayuki Takeda
Acute gastroenteritis with viral infection in infants causes severe diarrhea and often results in acute renal failure due to severe dehydration. However, a viral infection, particularly rotavirus, rarely induces postrenal failure due to bilateral stones in infants. Herein, we report three cases of postrenal failure in infants due to bilateral ureteral stones induced by acute gastroenteritis with rotavirus. Following immediately nephrostomy, chemical dissolution therapy succeeded to treat postrenal failure. Immediate nephrostomy for the release of upper urinary tract obstruction combined with urinary alkalization as a chemical dissolution therapy should be considered in such cases...
2016: Case Reports in Urology
https://www.readbyqxmd.com/read/27845548/safety-and-efficacy-of-pneumatic-lithotripters-versus-holmium-laser-on-multiple-ureteral-calculi
#19
Hakan Ercil, Ergun Alma, Okan Bas, Umut Unal, Nevzat Can Sener, Ediz Vuruskan, Aykut Buğra Senturk, Zafer Gokhan Gurbuz
BACKGROUND: Different energy sources can be used for ureteroscopic stone fragmentation, such as pneumatic, ultrasonic, laser or electrohydraulic. The aim of this study was to compare the efficacy and safety of pneumatic lithotripters versus Ho: YAG laser in the treatment of multiple stones in the distal ureter. METHODS: A retrospective evaluation was done using the data of patients to whom ureteroscopic lithotripsy (URL) was applied for ureter stones in our clinic...
November 2016: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/27837415/evaluation-of-the-efficacy-of-sexual-intercourse-in-expulsion-of-distal-ureteric-stones
#20
Mohammad Sayed Abdel-Kader
OBJECTIVE: To evaluate the efficacy of sexual intercourse in expulsion of distal ureteric stones. PATIENTS AND METHODS: The study included 56 patients with distal ureteric or intramural stone. The stones size ranged from 5 to 10 mm and were detected by US, plain X-ray film, and non-enhanced CT. The patients were divided randomly into group A included 28 patients who were advised to do sexual intercourse 3-4 times/week with administration of symptomatic treatment, and group B included 28 patients receiving symptomatic treatment only (control group) and were instructed not to do sexual intercourse or masturbation during the study...
November 11, 2016: International Urology and Nephrology
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