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https://www.readbyqxmd.com/read/28728505/in-vitro-comparison-of-stone-fragmentation-when-using-various-settings-with-modern-variable-pulse-holmium-lasers
#1
John Roger Bell, Kristina L Penniston, Stephen Y Nakada
INTRODUCTION AND OBJECTIVE There is limited data regarding optimal laser and energy settings during stone fragmentation. We assessed effects on fragmentation using a variety of energy and frequency settings with two laser systems. METHODS Artificial stones were created using BegoStone (Streeper et al 2016). A clear PVC tube with an inner diameter of 13mm was closed at one end with a removable plug to create the in vitro ureteral and calyceal environments. The Lumenis Pulse 120H and the Cook Rhapsody H-30 holmium lasers were studied in the calyceal and ureteral models...
July 20, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28725616/chronic-orchialgia-epidemiology-diagnosis-and-evaluation
#2
REVIEW
John T Sigalos, Alexander W Pastuszak
Chronic orchialgia is a vexing condition defined as chronic or intermittent scrotal pain lasting at least three months that significantly interferes with daily activities. There are currently no guidelines regarding the diagnosis and management of this condition despite it being the cause of 2.5-4.8% of urologic clinic visits. Men often present with chronic orchialgia in their mid to late 30s, although the condition can present at any age. A broad differential diagnosis of chronic orchialgia includes epididymitis, testicular torsion, tumors, obstruction, varicocele, epididymal cysts, hydrocele, iatrogenic injury following vasectomy or hernia repair, and referred pain from a variety of sources including mid-ureteral stone, indirect inguinal hernia, aortic or common iliac artery aneurysms, lower back disorders, interstitial cystitis, and nerve entrapment due to perineural fibrosis; approximately 25-50% of chronic orchialgia is idiopathic in nature...
May 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28723379/minilaparoendoscopic-single-site-pyeloplasty-the-best-compromise-between-surgeon-s-ergonomy-and-patient-s-cosmesis-ideal-phase-2a
#3
Francesco Greco, Giovannalberto Pini, Stefano Alba, Vincenzo Maria Altieri, Paolo Verze, Vincenzo Mirone
BACKGROUND: Laparoendoscopic single-site (LESS) surgery and minilaparoscopy (ML) represent the evolution of laparoscopy for the treatment of urologic diseases. OBJECTIVE: To describe the technique and report the surgical outcomes of minilaparoendoscopic single-site dismembered pyeloplasty (MILESS-DP), a new technique overcoming the technical limitations of LESS and ML, and equally combining the advantages of both these surgical procedures. DESIGN, SETTING, AND PARTICIPANTS: Twenty consecutive patients underwent MILESS-DP for ureteropelvic junction obstruction...
August 2016: European Urology Focus
https://www.readbyqxmd.com/read/28720367/the-role-of-medical-expulsive-therapy-for-ureteral-stones-against-met
#4
Jacob M Patterson, Oliver J Wiseman
We no longer advocate the use of medical expulsive therapy in our patients. We also believe that the European Association of Urology guidelines group should believe the findings of the SUSPEND study and stop advocating the use of medical expulsive therapy.
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28720366/the-evolving-role-of-retrograde-intrarenal-surgery-in-the-treatment-of-urolithiasis
#5
REVIEW
Francesco Sanguedolce, Giorgio Bozzini, Ben Chew, Panagiotis Kallidonis, Jean de la Rosette
CONTEXT: Retrograde intrarenal surgery has gained substantial popularity worldwide thanks to continuous improvements in technology and techniques, and is now considered one of the first-line treatment options for active removal of renal stones. OBJECTIVE: To provide a comprehensive synthesis of the main evidences in literature on the current management of kidney stones by means of retrograde intrarenal surgery (RIRS). EVIDENCE ACQUISITION: A review of literature has been conducted using search string "retrograde intrarenal surgery OR flexible ureteroscop* OR ureterorenoscop*", without any language restriction; PubMed, Embase, and Scopus databases were searched in November 2016...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28720365/the-role-of-medical-expulsive-therapy-for-ureteral-stones-pro-met
#6
Thomas Knoll, Christian Türk
Medical expulsive therapy is efficacious in patients with ureteric stones who are amenable to conservative management. The greatest benefit might be among those with larger stones. Therefore, the European Association of Urology Guideline Panel has kept the recommendation to offer α-blockers for patients with distal ureteral stones of 5-10mm.
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28720360/kidney-stone-in-a-patient-with-an-ileal-conduit
#7
Steeve Doizi, Olivier Traxer
The advantage of a retrograde over an antegrade approach in ileal conduit diversion is the lower morbidity. Furthermore, in cases in which there are bone deformities and no ureteral reflux from the reservoir into the upper tract, percutaneous access can be challenging. Thus, a retrograde approach should be considered as the first-line option for the treatment of renal stones in patients with an ileal conduit, but the urologist should keep in mind that an antegrade or combined approach may be possible in the case of failure...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28717540/totally-tubeless-percutaneous-nephrolithotomy-is-feasible-in-morbidly-obese-patients
#8
Seyed Mohammad Kazem Aghamir, Mohammad Ghasem Mohseni, Seyed Reza Hosseini, Alborz Salavati, Hossein Ganjali, Mohammad Ali Fallah, Hamed Rezaei, Seyed Saeed Modaresi
OBJECTIVE: Regarding technical difficulties that obese body habitus might impose to percutaneous nephrolithotomy (PNL) success and higher risk of peri-operative complications in this group of patients, we decided to retrospectively gather data from our patients during past 8 years to determine the stone free and complication rates. MATERIAL AND METHODS: Between January 2007-December 2015, seventy-eight obese patients with body mass index over 35 who had indication for PNL including stones larger than 2 cm in pelvi-calyceal system or smaller extracorporeal shock wave lithotripsy (ESWL) resistant stones or who were not a fit candidate for ESWL due to increased skin to target distance, with no contraindication of PNL (including bleeding diathesis, inability to be positioned in prone) were enrolled...
June 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28717532/retrograde-intrarenal-surgery-for-renal-stones-part-1
#9
REVIEW
Ben Van Cleynenbreugel, Özcan Kılıç, Murat Akand
The main aim in the treatment of renal stones is to clearance of the stones completely with the least morbidity. Parallel to the improvements in technology during recent years, new flexible ureterorenoscopes and effective lithotripters such as holmium laser have been developed, thus retrograde intrarenal surgery (RIRS) has become an efficient and safe option in the management of urinary system stone disease with a gradually increasing popularity. Therewithal, innovations in auxiliary equipment such as guide-wires, ureteral access sheath and stone baskets have made this procedure more effective...
June 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28714490/current-diagnostic-approach-and-initial-treatment-patterns-for-renal-colic-in-emergency-department
#10
R Shrestha, Y Bista, A Khan
BACKGROUND: Renal colic is a common clinical presentation in emergency. The goal of this study was to describe the epidemiology, current diagnostic and treatment strategies of ureteric colic in our emergency department. METHODS: This is a retrospective study performed over a six months period of patients with clinically suspected renal colic. Data collected included age, sex, urine analysis, ultrasound studies regarding size, site of the stone and presence of hydronephrosis...
January 2017: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/28705579/melamine-poisoning-pediatric-urolithiasis-treatment-in-gansu-china-5-yrfollow-up-analysis
#11
Hong Chang, Gongjin Wu, Zhongjin Yue, Junhai Ma, Ze Qin
OBJECTIVES: To investigate the clinical characteristics of urolithiasis children retrospectively who ingested melamine-poisoned formula as infants and report a five-year follow-up analysis. METHODS: Clinical data on 207 patients (mean±SD, 13.6±8.0months) with melamine-induced urolithiasis were retrospectively analyzed. Patients were subdivided into two groups according to treatment. A five-year follow-up study was conducted with 95.7% (198/207) of the children...
July 10, 2017: Urology
https://www.readbyqxmd.com/read/28704268/safe-discharge-and-outpatient-investigation-of-ureteric-colic-a-retrospective-analysis
#12
Michael Stewart
BACKGROUND: Computed tomography of the kidneys, ureters and bladder is the recommended imaging modality for suspected urolithiasis. Early scanning is advised in guidelines, but there is limited published evidence to support this recommendation. PATIENTS AND METHODS: In a retrospective study, we reviewed patients managed according to a local guideline. Patients without high-risk features were either imaged during their initial visit (if in the daytime) or discharged for outpatient scans...
July 12, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/28697638/the-effect-of-swl-and-urs-on-health-related-quality-of-life-in-proximal-ureteral-stones
#13
Yasin Ceylan, Oktay Ucer, Ozan Bozkurt, Bulent Gunlusoy, Oguz Mertoglu, Ali Ersin Zumrutbas, Guner Yildiz, Bora Irer, Talha Muezzinoglu, Omer Demir
OBJECTIVES: We aimed to compare the effect of shock wave lithotripsy (SWL) and ureteroscopic lithotripsy (URS) on health-related quality of life (HRQoL) for the treatment of proximal ureteral stones. MATERIAL AND METHODS: Between April 2014 and July 2015, patients with proximal ureteral stones who were successfully treated with URS or SWL in seven different centers were included. Patients were divided into two groups according to stone size: stones ≤10 mm and >10 mm...
July 12, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/28674772/detection-of-unexpected-emergency-diseases-using-fdg-pet-ct-in-oncology-patients
#14
Akira Toriihara, Emi Yamaga, Masashi Nakadate, Jun Oyama, Ukihide Tateishi
PURPOSE: To evaluate the frequency of emergency diseases that were detected unexpectedly using FDG-PET/CT. MATERIALS AND METHODS: Interpretation reports for 11,663 FDG-PET/CT studies in our hospital were retrospectively reviewed. Patients with major emergency diseases were extracted according to the following exclusion criteria: (1) relevant findings had been recognized prior to the PET/CT; (2) an intervention or operation that may have been relevant to the present findings was performed within 1 month prior to the PET/CT; and (3) the clinical course could not be investigated sufficiently (e...
July 3, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28674654/ureteral-stricture-formation-after-removal-of-proximal-ureteral-stone-retroperitoneal-laparoscopic-ureterolithotomy-versus-ureteroscopy-with-holmium-yag-laser-lithotripsy
#15
Henglong Hu, Lu Xu, Shaogang Wang, Xiao Yu, Huan Yang, Ejun Peng, Lei Cui, Cong Li
OBJECTIVE: To compare the risk of postoperative ureteral stricture formation following retroperitoneal laparoscopic ureterolithotomy (RPLU) and ureteroscopy with holmium: YAG laser lithotripsy (URSL) in patients with proximal ureteral stones. MATERIALS AND METHODS: We retrospectively reviewed the medical records of patients who underwent RPLU or URSL for proximal ureteral stones between April 2011 and May 2015. Patients were allocated into URSL group or RPLU group and the outcomes were compared...
2017: PeerJ
https://www.readbyqxmd.com/read/28666482/urolithiasis-secondary-to-primary-obstructive-megaureter-in-an-adult-a-case-report
#16
Somuah Tenkorang, Jean-Paul Omana, Soufiane Mellas, Fadl Mohammed Tazi, Jalal Eddine El Ammari, Abdelhak Khallouk, Mohammed Jamal El Fassi, Moulay Hassan Farih
BACKGROUND: Primary obstructive megaureter is relatively uncommon in adults. This condition usually regresses spontaneously or is treated during infancy. It can remain asymptomatic for decades until adulthood when symptoms may manifest in the event of complications or during a routine radiologic imaging. Primary obstructive megaureter has been reported to favor stone formation in the upper urinary tract. CASE PRESENTATION: We present the case of a 35-year-old Moroccan man who had a 10-year history of intermittent left flank pain and hematuria...
July 1, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28662708/comparison-of-the-efficacy-and-safety-of-ursl-rplu-and-mpcnl-for-treatment-of-large-upper-impacted-ureteral-stones-a-randomized-controlled-trial
#17
Yunyan Wang, Bing Zhong, Xiaosong Yang, Gongcheng Wang, Peijin Hou, Junsong Meng
BACKGROUND: There are three minimally invasive methods for the management of large upper impacted ureteral stones: mini-percutaneous nephrolithotomy (MPCNL), transurethral ureteroscope lithotripsy (URSL), and retroperitoneal laparoscopic ureterolithotomy (RPLU). This study aimed to compare MPCNL, URSL, and RPLU, and to evaluate which one is the best choice for large upper impacted ureteral stones. METHODS: Between January 2012 and December 2015, at the Department of Urology, Huai'an First People's Hospital, 150 consecutively enrolled patients with a large upper impacted ureteral stone (>15 mm) were included...
June 29, 2017: BMC Urology
https://www.readbyqxmd.com/read/28652901/the-efficacy-and-safety-of-laser-lithotripsy-in-pregnancy
#18
Amir Reza Abedi, Farzad Allameh, Mohammad Reza Razzaghi, Behrouz Fadavi, Hamidreza Qashqai, Saman Najafi, Arash Ranjbar, Manouchehr Bashirian
Introduction: The aim of our study was to assess the efficacy and safety of laser lithotripsy in pregnant patients. Methods: In this retrospective study, we reviewed the 15 pregnant women who have been treated for ureteral stones with semi-rigid ureteroscope and holmium laser at our center between Januarys 2007and April 2015. Results: The mean age of patients and mean gestational age was 29.3 years old 27.3 weeks respectively. Mean size of stones was 7.84 mm. Twelve patients had renal colic, and hematuria was found in 3 cases...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/28652165/same-session-bilateral-ureteroscopy-safety-and-outcomes
#19
Johann P Ingimarsson, Marcelino Rivera, John J Knoedler, Amy E Krambeck
OBJECTIVE: To assess the complications and outcomes associated with same-session bilateral ureteroscopy in a tertiary referral center, as same-session bilateral ureteroscopy for stone disease has been critiqued for the theoretical risk of injury to both ureters with subsequent risk to renal function. METHODS: We retrospectively reviewed all cases of bilateral ureteroscopy performed for urolithiasis by a single surgeon at out institution between 2009 and 2014. These were compared to a prospective unilateral ureteroscopy data base RESULTS: There were 117 same-session bilateral ureteroscopic procedures performed in 113 patients totaling 234 ureteroscopies...
June 23, 2017: Urology
https://www.readbyqxmd.com/read/28652122/predictors-of-hospital-admission-and-urologic-intervention-in-adult-emergency-department-patients-with-ct-confirmed-ureteral-stones
#20
Brock Daniels, Elizabeth Schoenfeld, Andrew Taylor, Karrin Weisenthal, Dinesh Singh, Christopher L Moore
PURPOSE: Over one million patients seek care in an Emergency Department (ED) for kidney stones annually, but a minority require admission or urologic procedure. We aim to describe predictors of hospital admission or urologic intervention. MATERIALS AND METHODS: This secondary analysis of prospective data includes ED patients with CT-confirmed obstructing ureteral stone. All patients also received a point-of-care limited renal ultrasound (PLUS). Need for urologic intervention at 90 days was assessed by follow-up interview...
June 23, 2017: Journal of Urology
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