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Michelle Jo Semins
No abstract text is available yet for this article.
June 9, 2018: Journal of Pediatric Urology
Hiroki Ito, Omar Aboumarzouk, Faris Abushamma, Francis Keeley
PURPOSE: We performed a systematic review of the literature regarding the diagnosis and treatment of calyceal diverticulum (CD). METHODS: The search strategy was conducted according to the Cochrane reviews guidelines for systematic reviews and Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) checklist. RESULTS: In total 1189 titles and abstracts were reviewed, of which 101 were selected for manuscript evaluation...
June 15, 2018: Journal of Endourology
Ali H Aldoukhi, Timothy L Hall, Khurshid R Ghani, Adam D Maxwell, Brian MacConaghy, William W Roberts
INTRODUCTION: With increasing use of high-power laser settings for lithotripsy, the potential exists to induce thermal tissue damage. In vitro studies have demonstrated that temperature elevation sufficient to cause thermal tissue damage can occur with certain laser and irrigation settings. The objective of this pilot study was to measure calyceal fluid temperature during high-power laser lithotripsy in an in vivo porcine model. METHODS: Four female pigs (30-35 Kg) were placed under general anesthesia and positioned supine...
June 15, 2018: Journal of Endourology
Karen L Stern, Manoj Monga
INTRODUCTION: The Moses technology of the holmium laser has been shown to decrease retropulsion in the ureter and procedural time in kidney stones during laser lithotripsy. Theoretically, these improvements could lead to cost savings for the patient. MATERIALS AND METHODS: All patients with total laser energy data recorded who underwent ureteroscopy with laser lithotripsy by a single surgeon at a tertiary care center were included. Total lasing time was calculated from the total laser energy...
June 2018: Canadian Journal of Urology
Matthew Jung, Arun Rai, Lily Wang, Kathleen Puttmann, Kamlesh Kukreja, Chester J Koh
We report the case of a 17 year old male with Seckel syndrome and horseshoe kidneys which had a 7 mm kidney stone in the lower pole calyx of the right moiety. The patient had a history of rotoscoliosis with 60° dextroconvex curvature and hepatic steatosis. Attempted ureteroscopy was unsuccessful due to stone location and anatomy. Percutaneous nephrolithotomy was ultimately required. This case highlights the difficulties of endoscopic treatments of renal calculi in patients with abnormal renal anatomy and dysmorphia...
June 9, 2018: Urology
Daron Smith, Bruce Macrae
No abstract text is available yet for this article.
July 2018: BJU International
Katherine M Fischer, Michael Louie, Phillip Mucksavage
PURPOSE OF REVIEW: Ureteral stent placement is a very common urologic procedure and a necessary component of many minimally invasive surgeries including ureteroscopy. Despite its widespread use, stent placement results in bothersome urinary symptoms and pain in approximately 80% of patients. This review discusses the proposed mechanisms underlying ureteral stent-related symptoms and current approaches to symptom management and the evidence to support them. RECENT FINDINGS: Though it has been extensively studied, the exact cause of stent-related symptoms remains unknown but is likely related to irritation of the bladder by the distal curl of the stent and reflux of urine through the stent up to the renal pelvis and transmission of high pressures associated with this...
June 11, 2018: Current Urology Reports
Shu-Tao Tan, Xiaonan Chen, Ming Sun, Bin Wu
OBJECTIVE: To describe the efficacy of double-J stent retention and ureteroscopy lithotripsy, we performed a study to evaluate the management of symptomatic ureteral calculi during pregnancy. MATERIALS AND METHODS: From January 2005 and June 2015, 53 pregnant women with symptomatic ureteral calculi were admitted and treated in our hospital. According to the treatment techniques, there were divided into two groups: double-J stent retention group (30 cases) and ureteroscopy lithotripsy group (23 cases)...
June 1, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
Peter Bach, Alina Reicherz, Joel Teichman, Lisa Dahlkamp, Nicolas von Landenberg, Rein-Jueri Palisaar, Joachim Noldus, Christian von Bodman
OBJECTIVES: To determine whether short-term stenting using an external ureter catheter following ureterorenoscopic stone extraction provides a better outcome in comparison to double-J stent ureteral stenting. METHODS: Between August 2014 and August 2015, 141 patients initially managed with a double-J stent insertion were prospectively randomized to ureter catheter for 6 h vs double-J stent insertion for 5 days after stone extraction via ureteroscopy retrograde surgery (including flexible ureteroscopy retrograde surgery) in a single academic center...
June 7, 2018: International Journal of Urology: Official Journal of the Japanese Urological Association
Zefu Liu, Shiyang Zheng, Xiangdong Li, Shengjie Guo, Yanjun Wang, Fangjian Zhou, Zhuo Wei Liu
BACKGROUND: Owing to the aggressive nature of radical nephroureterectomy (RNU), it is extremely important for the diagnostic modalities to be accurate. The European Association of Urology guidelines recommend that diagnostic ureteroscopy (URS) and biopsy be performed for upper urinary tract urothelial carcinomas (UUTCs). But that diagnostic URS adversely affects oncologic outcomes still exist. In the current systematic review and meta-analysis, we had attempted to evaluate oncologic outcome of diagnostic URS before RNU...
June 6, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
Lenka Barreto, Jae Hung Jung, Ameera Abdelrahim, Munir Ahmed, Guy P C Dawkins, Marcin Kazmierski
BACKGROUND: Urolithiasis is a condition where crystalline mineral deposits (stones) form within the urinary tract. Urinary stones can be located in any part of the urinary tract. Affected children may present with abdominal pain, blood in the urine or signs of infection. Radiological evaluation is used to confirm the diagnosis, to assess the size of the stone, its location, and the degree of possible urinary obstruction. OBJECTIVES: To assess the effects of different medical and surgical interventions in the treatment of urinary tract stones of the kidney or ureter in children...
June 2, 2018: Cochrane Database of Systematic Reviews
Hideyuki Kondo, Suguru Shirotake, Takashi Okabe, Soichi Makino, Koshiro Nishimoto, Masafumi Oyama
A 75-year-old Japanese male was referred to our institution for the evaluation of a left ureteral tumor in the ureterovesical junction. Computed tomography and pathologic examination under ureteroscopy revealed an invasive left ureteral urothelial carcinoma with left obturator nodal metastasis without distant metastasis. First, the patient underwent systemic chemotherapy (gemcitabine and cisplatin chemotherapy). We then performed left radical nephroureterectomy and extended lymph node dissection. Pathological examination revealed that the tumor was a high-grade invasive urothelial carcinoma with left common iliac and pelvic lymph node metastasis (pT3N2)...
2018: Case Reports in Urology
Wen-Chi Chen, San-Yuan Wu, Po-Chi Liao, Tzu-Yang Chou, Huey-Yi Chen, Jen-Huai Chiang, Yuan-Chih Su, Kee-Ming Man, Ming-Yen Tsai, Yung-Hsiang Chen
Salvia miltiorrhiza Bunge (Danshen), a common medicinal plant in traditional Chinese medicine, has been tested effectively to prevent urolithiasis in animals; nevertheless, the clinical application for urolithiasis remains unclear. We thus investigated the clinical effect of Danshen by analyzing the database from the Taiwan National Institute of Health. The cohort "Danshen-users" was prescribed Chinese herb medicine Danshen after the initial diagnosis of calculus. The control group (non-Danshen-users) was not given Danshen after the initial diagnosis of calculus...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
Cecilia Cracco
No abstract text is available yet for this article.
May 31, 2018: Journal of Endourology
Melody Djuimo, Liane S Feldman, Sero Andonian
Background: Ureteral obstruction is rarely caused by extrinsic compression from the appendix. In addition, mucinous neoplasms of the appendix are rare, found incidentally in 0.2%-0.7% of appendectomy specimens. Case Presentation: We present an unusual case of ureteral obstruction caused by a large appendiceal mucocele. An asymptomatic 53-year-old caucasian male patient, known for recurrent nephrolithiasis, was referred for management of bilateral nephrolithiasis. A noncontrast CT scan found an atrophic kidney with an obstructive 1...
2018: Journal of Endourology Case Reports
Feng Wang, Yu Yang, Honde Chen, Hang Huang, Weiping Huang, Zhiliang Weng, Hui Xie
OBJECTIVE: To evaluate the clinical outcomes with a Chinese single-use fiberoptic flexible ureteroscope (YouCare Tech) from a prospective database. MATERIALS AND METHODS: A prospective study was conducted in a single center in China between January 2016 and October 2017. All consecutive patients who underwent flexible ureteroscopy performed by YouCare flexible ureteroscope were analyzed. Patients' demographics, clinical characteristics, intraoperative parameters, postoperative complications, and stone-free rate were evaluated and recorded...
May 24, 2018: International Urology and Nephrology
Christopher E Bayne, Diana Cardona-Grau
No abstract text is available yet for this article.
April 2018: Journal of Pediatric Urology
Kymora B Scotland, Scott G Hubosky, Ryuta Tanimoto, Robert Cooper, Kelly A Healy, Demetrius H Bagley
OBJECTIVES: To define the need for emergent intervention between patients with SBUC compared to unilateral ureteral calculi (UUC). Patients with simultaneous bilateral ureteral calculi (SBUC) represent a potential urological emergency due to possible anuria and/or electrolyte imbalance. While conventional practice mandates immediate intervention in these patients, little data exist to define the rate of these events. METHODS: Records of all patients with ureteral stones treated ureteroscopically over an 11-year period were reviewed to identify those with SBUC...
May 21, 2018: Urology
Samuel McClinton, Sarah Cameron, Kathryn Starr, Ruth Thomas, Graeme MacLennan, Alison McDonald, Thomas Lam, James N'Dow, Mary Kilonzo, Robert Pickard, Ken Anson, Frank Keeley, Neil Burgess, Charles Terry Clark, Sara MacLennan, John Norrie
BACKGROUND: Urinary stone disease is very common with an estimated prevalence among the general population of 2-3%. Ureteric stones are associated with severe pain as they pass through the urinary tract and have significant impact on patients' quality of life due to the detrimental effect on their ability to work and need for hospitalisation. Most ureteric stones can be expected to pass spontaneously with supportive care. However, between one-fifth and one-third of cases require an intervention...
May 22, 2018: Trials
J J Ye, Y Yang, H J Zhang, Y C Zheng, Y Pan, H Xie
Objective: To investigate the necessity of artificial kidney seeper which made through inserting a ureteral tube in the ureter to the ultrasonography-guided percutaneous nephrolithotomy (PCNL). Methods: This was a randomized prospective study. Patients who conformed to the inclusion and exclusion criteria were enrolled at Department of Urology, Frist Affiliated Hospital of Wenzhou Medical University from January 2016 to May 2017. Totally 291 patients were included in the study. Patients were randomly assigned into two groups (artificial kidney seeper group and non-artificial kidney seeper group) in different kidney seeper level (5 to <10 mm, 10 to 20 mm) respectively...
May 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
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