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https://www.readbyqxmd.com/read/28733910/a-review-study-to-evaluate-holmium-yag-laser-lithotripsy-with-flexible-ureteroscopy-in-patients-on-ongoing-oral-anticoagulant-therapy
#1
Bulent Altay, Bulent Erkurt, Selami Albayrak
The objective of this study was to evaluate the safety and efficacy of flexible ureteroscopy (FURS) and holmium:YAG laser lithotripsy for the treatment of upper urinary tract stones in patients on active oral anticoagulants. The records of 1081 patients who underwent flexible ureteroscopic holmium:YAG (Ho:YAG) laser lithotripsy for upper ureteral and renal calculi from 1999 to 2015 were retrospectively reviewed. A total of 84 patients on continuous oral anticoagulation or antiplatelet therapy (warfarin, aspirin, or clopidogrel) were identified...
July 22, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28728207/-female-urethral-diverticulum-with-calculus-formation-imitating-stress-incontinence
#2
Leonidas Karapanos, Daniel Porres, David Pfister, Ilgar Akbarov, Axel Heidenreich, Vahudin Zugor
A female urethral diverticulum (UD) is a rare condition with a prevalence of 0.6 - 4.7 %. Possible aetiologies include chronic infection of the periurethral glands, childbirth trauma, and iatrogenic lesions after urethral manipulation. The main symptoms are recurrent urinary tract infections, post-void dribbling and leakage of urine or purulent discharge by movement, which is caused by the emptying of the diverticular lumen (paradoxical incontinence). As this may imitate stress urinary incontinence, the final diagnosis is a challenge for urologists...
July 20, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28726586/application-of-ureterorenoscope-and-flexible-ureterorenoscope-lithotripsy-in-removing-calculus-from-extracorporeal-living-donor-renal-graft-a-single-center-experience
#3
Chun-Hua Lin, Zuo-Fu Zhang, Jiahui Wang, Lu-Xin Yu, Wen-Ting Wang, Lei Shi, Xiang-Nan Lin
Here, we reported our clinical application of ureterorenoscope (URS) and flexible URS lithotripsy in stone removal on 10 cases of excised living donor kidney graft. After the extraction of donor kidney by retroperitoneal laparoscopy, the donor graft was perfused with 4 °C HCA solution. Calculus between 2-4 mm were removed intact with lithotomy forceps under direct vision of URS. Larger calculi of >4 mm were fractured with flexible URS combining holmium laser lithotripsy. Fragments of the calculus were extracted with basket extractor and lithotomy forceps...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28725602/transrectal-ultrasound-guided-extraction-of-impacted-prostatic-urethral-calculi-a-simple-alternative-to-endoscopy
#4
Gregory Amend, Jason Gandhi, Noel L Smith, Steven J Weissbart, David A Schulsinger, Gargi Joshi, Sardar Ali Khan
Urethral stones can become impacted in the posterior urethra, typically presenting with varying degrees of acute urinary retention and lower urinary tract symptoms. These are traditionally treated in the inpatient setting, with external urethrotomy or endoscopic push-back of the calculus into the urinary bladder followed by cystolitholapaxy or cystolithotripsy. However, these methods are invasive, involve general anesthesia, and require radiation. In this report, we describe a simple, minimally invasive, and safe alternative technique to visualize and remove impacted prostatic urethral stones under the real-time guidance of transrectal ultrasonography (TRUS)...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28694394/assessment-of-electrocardiographic-parameters-in-adult-patients-undergoing-extracorporeal-shockwave-lithotripsy
#5
Gündüz Durmuş, Muhsin Kalyoncuoğlu, Mehmet Baran Karataş, Yiğit Çanga, Semi Öztürk, Ender Özal, Yasin Çakıllı, Tuncay Kırış, Barış Güngör, Ahmet Taha Alper, Mehmet Mustafa Can, Osman Bolca
OBJECTIVE: Extracorporeal shock wave lithotripsy (ESWL) is a safe and effective treatment for urinary tract calculi. While serious side effects are rare, transient cardiac arrhythmias may occur. New electrocardiographic (ECG) parameters, such as P wave dispersion (PWD), QT dispersion (QTd), T peak to T end (Tp-e) interval, Tp-e interval/QT ratio, and Tp-e interval/corrected QT ratio have been defined to help predict atrial and ventricular arrhythmias. However, effect of ESWL on these ECG parameters has not been previously investigated...
July 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28679514/synchronous-urinary-bladder-metastasis-of-chromophobe-renal-cell-carcinoma
#6
Devanshu Bansal, Prabhjot Singh, Brusabhanu Nayak, Seema Kaushal
Urinary bladder metastasis in patients with renal cell carcinoma is rare and until now <70 cases have been documented in literature. Majority of these reported cases were histologically clear cell variant of renal cell carcinoma. Urinary bladder metastasis of chromophobe variant of renal cell carcinoma is extremely rare and is limited to only isolated case reports. We present here a case of a man aged 24 years who was diagnosed to have a left renal mass and right renal calculi on evaluation for complaints of left-sided abdominal pain and was incidentally detected to have suspicious bladder lesions during cystoscopy...
July 5, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28666482/urolithiasis-secondary-to-primary-obstructive-megaureter-in-an-adult-a-case-report
#7
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/28663245/large-prostatic-stones-with-staghorn-renal-calculus-in-a-61-year-old-man-an-unusual-presentation-of-uncommon-disease
#8
Fouad Hajji, Khalid Lmezguidi, Abdellatif Janane, Ahmed Ameur
Prostatic parenchymal calculi are common in ageing men who are evaluated for benign prostatic hyperplasia or prostate cancer. Giant prostatic calculi are very rare, usually associated with local predisposing factors for urinary stasis and infections, and traditionally managed by open surgery. We present the first case of its kind to be associated with a concurrent staghorn nephrolithiasis, and removed successfully by endoscopic approach using an access sheath through the urethra.
June 29, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28653383/hyperoxaluria-hyperglycoluria-and-renal-oxalosis-in-gilbert-s-potoroos-potorous-gilbertii
#9
D Forshaw, A M Horwitz, K Ellard, J A Friend, L Greed, M Metz
CASE REPORT: Six Gilbert's potoroos (Potorous gilbertii) in a captive colony, five of which were closely related, died or were euthanased with severe renal disease. Clinical signs were mostly non-specific. Renal calculi were seen on ultrasound of two affected potoroos and oxalate crystalluria was seen in two of three affected potoroos that had urine samples examined. Necropsies revealed extensive severe renal oxalosis in all affected potoroos. These findings and markedly increased concentrations of glycolate in the urine of the four affected potoroos for which it was measured, confirmed a disorder of oxalate metabolism and suggested a condition similar to primary hyperoxaluria type 1 in humans...
July 2017: Australian Veterinary Journal
https://www.readbyqxmd.com/read/28610671/pulmonary-manifestations-of-urothelial-carcinoma-of-the-bladder
#10
REVIEW
Abhinav Agrawal, Sonu Sahni, Abhinav K Vulisha, Rammohan Gumpeni, Rakesh Shah, Arunabh Talwar
Urothelial carcinoma (Transitional cell carcinoma) of the bladder is the pre-dominant histological type of bladder cancer in the United States and Europe. Patients with bladder cancer usually present with painless hematuria. The diagnosis is often delayed, as the symptoms are similar to various other benign conditions such as urinary tract infection, prostatitis or renal calculi. In some patients, the metastatic lesions will cause the initial presenting symptoms. We conducted a MedLine/PubMED search identifying all relevant articles with "pulmonary manifestations", "urothelial bladder cancer", "manifestations of bladder cancer" or a combination of these terms in the title...
July 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28589147/ultrasonography-is-not-inferior-to-fluoroscopy-to-guide-extracorporeal-shock-waves-during-treatment-of-renal-and-upper-ureteric-calculi-a-randomized-prospective-study
#11
Jeroen Van Besien, Pieter Uvin, Isabeau Hermie, Thomas Tailly, Luc Merckx
OBJECTIVE: To investigate whether the visualization modality (ultrasound or fluoroscopy) used during shockwave lithotripsy (SWL) affects the clinical outcome in those instances where both imaging modalities are optional. METHODS: Between November 2014 and July 2016, 114 patients with radiopaque upper urinary tract calculi were randomly assigned to an ultrasound- or fluoroscopy-guided SWL group in a prospective, open-label, single-center study. A standardized SWL protocol was used...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28588843/bilateral-hydronephrosis-due-to-obstructive-ureteral-stone-associated-with-norovirus-gastroenteritis
#12
Fumihiro Ochi, Kenji Furuno, Pin Fee Chong, Junichiro Tezuka, Yumi Mizuno, Tomonobu Aoki, Eiichi Ishii
Recently, cases of urinary tract calculi causing hydronephrosis and postrenal renal failure associated with viral gastroenteritis were documented, yet few were related to norovirus. During norovirus gastroenteritis, observation of oliguria, aciduria, low FENa value, and elevation of blood or urinary uric acid level may necessitate clinical workout for nephrolithiasis.
June 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28585658/cystinuria-caused-by-a-slc7a9-missense-mutation-in-siamese-crossbred-littermates-in-germany
#13
Stephanie Hilton, Keijiro Mizukami, Urs Giger
Cystinuria is caused by defective proximal renal tubular reabsorption of the amino acids cystine, ornithine, lysine, and arginine (COLA). The low solubility of cystine in mildly acidic urine may lead to the formation of urinary cystine crystals and uroliths. Much progress has been made recently in the diagnosis and understanding of cystinuria in companion animals. In cats, cystinuria affects equally both genders independent of neutering status and, despite being rare, already more cystinuria-causing mutations have been detected in cats compared to dogs...
June 1, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/28583110/jack-stone-in-the-bladder-case-report-of-a-rare-entity
#14
Duminda Subasinghe, Serozsha Goonewardena, Vickneswaran Kathiragamathamby
BACKGROUND: Jackstone is a bladder stone that has a similar appearance to toy jacks. However review of the English language medical literature revealed only a few previous reports of jackstone calculus. CASE PRESENTATION: We report a case in which a large jackstone calculus was incidentally detected during the evaluation of 67 year old male presenting with lower urinary tract symptoms. X-Ray kidney, ureter, bladder showed a large irregular shaped radio-opaque shadow in the pelvic region...
June 5, 2017: BMC Urology
https://www.readbyqxmd.com/read/28579066/renal-transplantation-using-stone-bearing-deceased-donor-kidneys-experience-of-a-transplant-center-in-china
#15
Chuan-Bao Chen, Liang Zhao, Ming Han, Xiao-Ping Wang, Jian Zhou, Xiao-Peng Yuan, Chang-Xi Wang
OBJECTIVE: To evaluate the outcomes of transplantation of deceased donor stone-bearing kidneys. METHODS: A total of 32 patients who received renal transplantation at our center from July 2011 to June 2016 were included. Eight recipients received kidneys with incidental renal stone(s) (stone group). Twenty-four recipients received kidneys without renal stones (non-stone group). The transplantation outcomes of the 2 groups were compared. RESULTS: There was 1 case of postoperative urinary tract infection in the stone group, and 2 cases in the non-stone group...
June 1, 2017: Urology
https://www.readbyqxmd.com/read/28576910/large-bilateral-seminal-vesicle-calculi-presenting-with-spermolithiasis
#16
Sarah Anne Williams, Michelle Christodoulidou, Raj Nigam
A 34-year-old male presented with an 8-month history of passing increasingly painful 'grit' in his ejaculate. Semen analysis was normal as were urinary and blood tests. T1-weighted MRI revealed several bilateral high-signal areas measuring up to 1 cm in diameter, located in the seminal vesicles. These were confirmed as calculi on T2-weighted imaging and a seminal vesiculogram, with no drainage from the left ejaculatory duct and only minimal from the right duct. He is currently awaiting a robot-assisted laparoscopic vesiculotomy after completion of family...
June 2, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28575881/fourier-transform-infrared-analysis-of-urinary-calculi-and-metabolic-studies-in-a-group-of-sicilian-children
#17
Maria Michela D'Alessandro, Giuseppe Gennaro, Pietro Tralongo, Silvio Maringhini
INTRODUCTION: Prevalence of urinary calculi in children has been increasing in the past years. We performed an analysis of the chemical composition of stones formers of the pediatric population in our geographical area over the years 2005 to 2013. MATERIALS AND METHODS: Fourier transform infrared spectroscopy was employed for the determination of the calculus composition of a group of Sicilian children, and metabolic studies were performed to formulate the correct diagnosis and establish therapy...
May 2017: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/28575878/kidney-calculi-pathophysiology-and-as-a-systemic-disorder
#18
Arash Shadman, Bahar Bastani
The pathophysiology of urinary stone formation is complex, involving a combination of metabolic, genetic, and environmental factors. Over the past decades, remarkable advances have been emerged in the understanding of the pathogenesis, diagnosis, and treatment of calcium kidney calculi. For this review, both original and review articles were found via PubMed search on pathophysiology, diagnosis, and management of urinary calculi. These resources were integrated with the authors' knowledge of the field. Nephrolithiasis is suggested to be associated with systemic disorders, including chronic kidney insufficiency, hematologic malignancies, endocrine disorders, autoimmune diseases, inflammatory bowel diseases, bone loss and fractures, hypertension, type 2 diabetes mellitus, metabolic syndrome, and vascular diseases like coronary heart diseases and most recently ischemic strokes...
May 2017: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/28560352/endourologic-management-of-an-iatrogenic-ureteral-avulsion-using-a-thermoexpandable-nickel-titanium-alloy-stent-memokath-051
#19
Maral J Rouhani, Hamid Abboudi, Norma Gibbons, Tamer El-Husseiny
Background: The use of ureteroscopy in the management of urolithiasis is well established. Ureteral avulsion is a rare but challenging complication of the procedure. Postureteral injury strictures are a common result of such injuries and are typically managed with reconstructive surgery or endoscopically with polymer stent. This case represents the first effective management of ureteral avulsion and subsequent ureteral stricture using a Memokath ureteral stent. Case Presentation: A 54-year-old gentleman presented to the Department of Urology with right loin pain as a result of right renal calculi, previously treated with extracorporeal shockwave lithotripsy...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/28553645/minimally-invasive-percutaneous-nephrolithotomy-versus-retrograde-intrarenal-surgery-for-upper-urinary-stones-a-systematic-review-and-meta-analysis
#20
REVIEW
Hongyang Jiang, Zhe Yu, Liping Chen, Tao Wang, Zhuo Liu, Jihong Liu, Shaogang Wang, Zhangqun Ye
Minimally invasive percutaneous nephrolithotomy (mini-PCNL) and retrograde intrarenal surgery (RIRS) are both alternatives for PCNL to treat renal calculi. This study is aimed at comparing the stone-free rate (SFR) and other surgery parameters of two approaches for treating upper urinary calculi. We performed this meta-analysis in September 2016 by searching studies about mini-PCNL and RIRS for treating upper urinary calculi in various databases, and RevMan v.5.3 was applied. Three randomized controlled trials and ten nonrandomized trials were included, involving a total of 1317 patients...
2017: BioMed Research International
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