22,197 results match your criteria Urinary Tract Obstruction


'Mini' extravesical reimplant with 'mini' tapering for infants younger than 6 months.

Authors:
C A Villanueva

J Pediatr Urol 2019 Jan 23. Epub 2019 Jan 23.

University of Nebraska Medical Center/Children's Hospital and Medical Center, 8200 Dodge Street, Omaha, NE 68114, USA. Electronic address:

Introduction: Some infants with obstructed megaureters or ectopic ureters requiring surgery undergo a cutaneous ureterostomy followed by definitive repair after 12 months of age. Since 2013, a 'mini' extravesical reimplant with or without 'mini' tapering (MER) was performed instead of cutaneous ureterostomy in such infants.

Objective: To describe the technique and outcomes for MER. Read More

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http://dx.doi.org/10.1016/j.jpurol.2019.01.004DOI Listing
January 2019

Management of Urinary Retention in Patients with Benign Prostatic Obstruction: A Systematic Review and Meta-analysis.

Eur Urol 2019 Feb 14. Epub 2019 Feb 14.

Department of Urology, University General Hospital of Heraklion, University of Crete Medical School, Heraklion, Crete, Greece. Electronic address:

Context: Practice patterns for the management of urinary retention (UR) secondary to benign prostatic obstruction (BPO; UR/BPO) vary widely and remain unstandardized.

Objective: To review the evidence for managing patients with UR/BPO with pharmacological and nonpharmacological treatments included in the European Association of Urology guidelines on non-neurogenic male lower urinary tract symptoms.

Evidence Acquisition: Search was conducted up to April 22, 2018, using CENTRAL, MEDLINE, Embase, ClinicalTrials. Read More

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http://dx.doi.org/10.1016/j.eururo.2019.01.046DOI Listing
February 2019

Laparoscopic pyeloplasty practice patterns in Canada.

Can Urol Assoc J 2019 Jan 21. Epub 2019 Jan 21.

Division of Urology, Department of Surgery, The Ottawa Hospital and University of Ottawa, Ottawa, ON, Canada.

Introduction: Ureteropelvic junction obstruction (UPJO) is a condition characterized by partial or complete obstruction of urine transport from the renal pelvis to the ureter and can present with intermittent flank pain, recurrent urinary tract infections, renal stones, or renal dysfunction. While historically, open pyeloplasty was the gold standard for surgical management, laparoscopic methods to repair UPJO have largely taken over as the preferred approach for adolescent and adult patients. Despite near universal adoption of laparoscopic pyeloplasty among Canadian urologists, it remains a technically complex procedure and considerable variability exists in the procedural steps performed. Read More

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http://dx.doi.org/10.5489/cuaj.5675DOI Listing
January 2019
1 Read

Incidental finding of Zinner syndrome in a Greek military recruit: a case report of a rare clinical entity.

Mil Med Res 2019 Feb 14;6(1). Epub 2019 Feb 14.

Department of Urology, 424 General Military Hospital of Thessaloniki, 56429, Thessaloniki, Greece.

Background: Zinner syndrome represents a rare congenital malformation of the urinary tract. It comprises a constellation of Wolffian duct anomalies and is almost exclusively encountered as a classic triad of seminal vesicle cysts, ejaculatory duct obstruction and renal agenesis. Patients can be either asymptomatic or symptomatic. Read More

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http://dx.doi.org/10.1186/s40779-019-0194-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6375168PMC
February 2019
1 Read

[Factors predicting the development of urinary tract disorders in prostatic hyperplasia in elderly men].

Urologiia 2018 Dec(6):150-154

Department of Faculty Surgery with the course of Urology FGBOU VO Chita State Medical University, Chita, Russia.

The review article presents information from foreign and domestic authors on the relevance of studying the incidence of men with bening prostatic hyperplasia (BPH) and lower urinary tract symptoms (LUTS). Complex urodynamic studies (CUDS) remains the most informative test of the degree of expression of LUTS and bladder outlet obstruction () caused by BPH. The difficulty in interpreting the results, the invasiveness and inaccessibility of CUDS in the routine practice of most medical institutions makes it necessary to perform relatively simpler and more accessible methods of research, which do not always objectively reflect the degree of urinary incontinence in older men. Read More

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December 2018
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[Urodynamics study in patients with urinary incontinence, after surgical treatment of localized prostate cancer].

Urologiia 2018 Dec(6):14-18

MBUZ Clinical and diagnostic Center Zdorovie, Rostov-on-Don, Russia.

Aim: Radical treatment of prostate cancer (PCa) is often associated with the development of urinary incontinence (UI). The etiology of UI after prostatectomy is multifactorial and can be caused by both urethral sphincter deficiency and bladder dysfunction. To date, there are no comparative studies of the development of UI in patients after either organ-preserving treatment or radical prostatectomy (RP). Read More

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December 2018
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Medical and Interventional Management of Upper Urinary Tract Uroliths.

Vet Clin North Am Small Anim Pract 2019 Mar;49(2):157-174

The Animal Medical Center, 510 East 62nd Street, New York, NY 10065, USA.

Nephroliths are often clinically silent. When non-obstructive and of an amenable stone type, dissolution should be attempted. When problematic, nephrolithotomy can be considered. Read More

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http://dx.doi.org/10.1016/j.cvsm.2018.11.004DOI Listing
March 2019
1 Read

A systematic review of the clinical significance of nephrostomy urine cultures.

World J Urol 2019 Feb 7. Epub 2019 Feb 7.

Department of Microbiology, London North West University Healthcare NHS Trust, Watford Road, Harrow, London, HA1 3UJ, UK.

Purpose: There are few published reviews that have assessed the clinical utility of renal urine cultures following percutaneous nephrostomy (PCN). In this systematic review, we evaluated the published evidence of the clinical utility of nephrostomy urine cultures in the light of emerging antimicrobial resistance and need for stewardship.

Methods: We performed a systematic literature search and review for evidence on the utility and role of nephrostomy urine cultures, using Medline, Embase and PubMed. Read More

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http://dx.doi.org/10.1007/s00345-019-02663-4DOI Listing
February 2019
1 Read

Emphysematous Pyelonephritis Following Ureterovesical Reimplantation for Congenital Obstructive Megaureter. Pediatric Case Report and Review of the Literature.

Front Pediatr 2019 24;7. Epub 2019 Jan 24.

Pediatrics and Adolescentology Unit, Department of Internal Medicine, University of Pavia and Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.

Emphysematous pyelonephritis (EPN) is a rare, life-threatening necrotizing infection of the kidney. To date, very few cases of EPN have been described in the pediatric age. The first case of EPN in a toddler occurring after ureterovesical reimplantation for congenital obstructive megaureter is reported with a literature review. Read More

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https://www.frontiersin.org/article/10.3389/fped.2019.00002/
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http://dx.doi.org/10.3389/fped.2019.00002DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6354553PMC
January 2019
7 Reads

Ureteral stent versus no ureteral stent for ureteroscopy in the management of renal and ureteral calculi.

Cochrane Database Syst Rev 2019 Feb 6;2:CD012703. Epub 2019 Feb 6.

Department of Urology, University of Minnesota, 420 Delaware Street SE, MMC 394, Minneapolis, Minnesota, USA.

Background: Ureteroscopy combined with laser stone fragmentation and basketing is a common approach for managing renal and ureteral stones. This procedure is associated with some degree of ureteral trauma. Ureteral trauma may lead to swelling, ureteral obstruction, and flank pain and may require subsequent interventions such as hospital admission or secondary ureteral stent placement. Read More

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http://doi.wiley.com/10.1002/14651858.CD012703.pub2
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http://dx.doi.org/10.1002/14651858.CD012703.pub2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6365118PMC
February 2019
6 Reads

Malignant lymphoma of the bladder with bilateral hydronephrosis.

Rare Tumors 2019 22;11:2036361318825165. Epub 2019 Jan 22.

Department of Urology, Kurume University School of Medicine, Kurume, Japan.

Lymphoma of the urinary bladder is uncommon, and upper urinary tract obstruction due to lymphoma is rare. Herein, we report a case of malignant lymphoma of the bladder with bilateral hydronephrosis in a 67-year-old female who presented with oliguria. Ultrasonography and computed tomography demonstrated a thickened posterior bladder wall and bilateral hydronephrosis. Read More

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http://dx.doi.org/10.1177/2036361318825165DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6348503PMC
January 2019
4 Reads

Impact of 5-Alpha-Reductase Inhibitors Use at the Time of Prostatic Artery Embolization for Treatment of Benign Prostatic Obstruction.

J Vasc Interv Radiol 2019 Feb;30(2):228-232

Department of Radiology, University of Sao Paulo Medical School, Sao Paulo, Brazil.

Purpose: To compare the 12-month post-prostatic artery embolization (PAE) clinical outcomes of patients who were and were not taking 5-alpha-reductase inhibitors (5ARIs) at the time of PAE.

Materials And Methods: A retrospective review was conducted of patients who underwent PAE from 2010 to 2017 due to lower urinary tract symptoms, secondary to benign prostatic hyperplasia (BPH). One hundred fifty-five patients were included and divided in 2 groups; these groups did not present statistically significant differences in their baseline characteristics-those taking 5ARIs (Y-5ARIs, n = 40) and those not taking 5ARIs (N-5ARIs, n = 115). Read More

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http://dx.doi.org/10.1016/j.jvir.2018.11.027DOI Listing
February 2019
1 Read

New technique for the management of anteriorly located midline prostatic cysts causing severe lower urinary tract symptoms: Case report and literature review.

Int J Surg Case Rep 2019 Jan 29;55:107-111. Epub 2019 Jan 29.

Division of Urology, Department of Surgery of Medicine and King Saud University Medical City, King Saud University, Saudi Arabia. Electronic address:

Introduction: Prostatic cysts are uncommon and usually asymptomatic. In most cases, these cysts are found incidentally by imaging. In some cases, these cysts can be symptomatic and missed for years. Read More

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http://dx.doi.org/10.1016/j.ijscr.2019.01.019DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6360322PMC
January 2019
1 Read

Effect of urinary bladder lavage on in-hospital recurrence of urethral obstruction and durations of urinary catheter retention and hospitalization for male cats.

J Am Vet Med Assoc 2019 Feb;254(4):483-486

OBJECTIVE To evaluate the effect of urinary bladder lavage on in-hospital recurrence of urethral obstruction (UO) and durations of urinary catheter retention and hospitalization for male cats. DESIGN Randomized controlled clinical trial. ANIMALS 137 male cats with UO. Read More

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http://dx.doi.org/10.2460/javma.254.4.483DOI Listing
February 2019
1 Read

Simplified Dynamic Phantom for Pediatric Renography: A Description of Instrument and its Performance.

Asia Ocean J Nucl Med Biol 2019 ;7(1):38-48

Department of Nuclear Medicine and Tracer Kinetics, Osaka University Graduate School of Medicine, Suita, Japan.

Objectives: Renography is used for the diagnostic evaluation of pediatric patients with a suspected obstruction of urinary tract or impaired renal function. The recommended dose for children have been released by the European Association of Nuclear Medicine, Society of Nuclear Medicine and Molecular Imaging, and Japanese Society of Nuclear Medicine. Since acquisition counts in dynamic scintigraphy are affected by the administered doses and sensitivity of the scintillation camera, the scan procedure should be determined independently. Read More

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http://dx.doi.org/10.22038/AOJNMB.2018.11803DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6352048PMC
January 2019
1 Read

Clinical observation pseudoobstruction syndrome of the stomach's output part and small intestine of a patient with systematic lupus erythematosis.

Ter Arkh 2018 Feb;90(2):98-101

N.I. Pirogov City Clinical Hospital №1, Moscow Healthcare Department, Moscow, Russia.

Stomach's output part and small intestine, combining with damaging of the urinary tract is a rare systemic lupus eritematosus (SLE) manifestation. The patient is 32 years old, suffering from SLE with damaged join, blood system, secondary antiphospholipid syndrome with pulmonary embolism in the history and formation of high postembolic pulmonary hypertension on therapy with hydroxychloroquine and low doses of corticosteroids, was hospitalized because of persistent nausea, vomiting, loss of more than 10 kg body weight 1.5 months. Read More

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http://dx.doi.org/10.26442/terarkh201890298-101DOI Listing
February 2018
1 Read

Concordant miRNA and mRNA expression profiles in humans and mice with bladder outlet obstruction.

Am J Clin Exp Urol 2018 20;6(6):219-233. Epub 2018 Dec 20.

Urology Research Laboratory, Department of Clinical Research, University of Bern Switzerland.

Bladder outlet obstruction (BOO) leads to lower urinary tract symptoms (LUTS) and urodynamic changes of the bladder function. Previously we identified microRNA (miRNA) and mRNA expression profiles associated with different states of BOO-induced LUTD in human patients. Bladder wall remodeling resulting from obstruction is widely studied in animal models of experimentally-induced partial BOO (pBOO). Read More

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6334198PMC
December 2018
1 Read

Rare case with plethora of upper urinary tract anomalies associated with pelviureteric junction obstruction: a surgical challenge managed with robot assistance.

BMJ Case Rep 2019 Jan 28;12(1). Epub 2019 Jan 28.

Department of Urology, Post Graduate Institute of Medical Education and Research, Chandigarh, Chandigarh, India.

The genitourinary system for reasons unknown is more likely to have birth defects than any other system. The anomaly of collecting system draining the kidney represent mystifying subset of congenital anomalies. Pelviureteric junction obstruction (PUJO) is most common. Read More

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http://dx.doi.org/10.1136/bcr-2018-228684DOI Listing
January 2019
1 Read

First-year profile of biomarkers for early detection of renal injury in infants with congenital urinary tract obstruction.

Pediatr Nephrol 2019 Jan 29. Epub 2019 Jan 29.

Pediatric Nephrology Unit, Department of Pediatrics, Instituto da Criança, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Av. Dr. Enéas Carvalho de Aguiar, 647, São Paulo, CEP: 05403-000, SP, Brazil.

Background: Diagnosis of renal function impairment and deterioration in congenital urinary tract obstruction (UTO) continues to be extremely challenging. Use of renal biomarkers in this setting may favor early renal injury detection, allowing for a reliable choice of optimal therapeutic options and prevention or minimization of definitive renal damage.

Methods: This longitudinal, prospective study analyzed the first-year profile of two serum renal biomarkers: creatinine (sCr) and cystatin C (sCyC); and six urinary renal biomarkers: neutrophil gelatinase-associated lipocalin (NGAL), kidney injury molecule-1 (KIM-1), transforming growth factor beta-1 (TGF-β1), retinol-binding protein (RBP), cystatin C (uCyC), and microalbuminuria (μALB) in a cohort of 37 infants with UTO divided into three subgroups: 14/37 with unilateral hydro(uretero)nephrosis, 13/37 with bilateral hydro(uretero)nephrosis, and 10/37 patients with lower urinary tract obstruction (LUTO), compared with 24 healthy infants matched by gestational age and birth weight. Read More

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http://dx.doi.org/10.1007/s00467-019-4195-4DOI Listing
January 2019
1 Read

Urinary tract infection due to anaerobic bacteria in a two-month-old infant.

J Infect Chemother 2019 Jan 25. Epub 2019 Jan 25.

Division of Infectious Diseases, Department of Medical Subspecialties, National Center for Child Health and Development, 2-10-1, Okura, Setagaya-ku, Tokyo 157-8535, Japan; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, TN, USA. Electronic address:

The significance of anaerobic bacteria as a pathogen in urinary tract infection (UTI) in children is unclear. A two-month-old infant presenting with poor feeding received a diagnosis of polymicrobial anaerobic UTI by next-generation sequencing and was found to have obstructive uropathy. Anaerobic bacteria may be a cause of UTI in children with urinary tract obstruction. Read More

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http://dx.doi.org/10.1016/j.jiac.2018.11.016DOI Listing
January 2019
1 Read

Crossing Into the Unknown. A Peculiar Cause of Ureteropelvic Junction Obstruction in a 14-Year-Old Boy.

Urology 2019 Jan 22. Epub 2019 Jan 22.

Division of Urology, McMaster University, Hamilton, ON, Canada. Electronic address:

Ureteropelvic junction obstruction (UPJO) is a common cause of upper urinary tract obstruction and consequent hydronephrosis. We present a case of right UPJO caused by a crossing vessel suspected to be the right second lumbar vein. While crossing vessels are a common cause of UPJO in older children and adults, they are usually attributed to lower pole vessels. Read More

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http://dx.doi.org/10.1016/j.urology.2019.01.016DOI Listing
January 2019
6 Reads

Influence of diuretic (furosemide) on contrast medium distribution in computed tomography urography of high-grade hydronephrosis in children.

Cent European J Urol 2018 27;71(4):476-480. Epub 2018 Dec 27.

1 Department of Clinical Radiology, Medical University of Warsaw, Warsaw, Poland.

Introduction: Diuretics improve visualization of the urinary tract in computed tomography urography in adults, as well as in magnetic resonance urography in adults and children. Also, diuretics can help to diagnose upper urinary tract obstruction in intravenous urography, ultrasonography or dynamic scintigraphy. However, there are still missing data on evaluation of furosemide usefulness in computed tomography urography examinations in children with suspected congenital anomalies of the urinary tracts. Read More

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http://dx.doi.org/10.5173/ceju.2018.1742DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6338812PMC
December 2018
1 Read

Medical treatment for urogenital tuberculosis (UGTB).

Authors:
Christian Wejse

GMS Infect Dis 2018 9;6:Doc04. Epub 2018 Aug 9.

Department of Infectious Diseases/Center for Global Health, Dept of Public Health, Aarhus University, Denmark.

Urogenital tuberculosis (UGTB) should in general be treated as pulmonary TB with a four-drug regimen of Isoniazid, Rifampicin, Ethambutol and Pyrazinamide for a total of 6 months, Ethambutol and Pyrazinamide only the first two months. Some patients may need longer treatment (cavitary disease, kidney abscess/malfunction, HIV co-infection). Treatment of multi-drug resistant tuberculosis (MDR-TB) requires use of long-term intravenous treatment with aminoglycosides and other drugs with considerable toxicity for 18-24 months. Read More

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http://dx.doi.org/10.3205/id000039DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6301712PMC
August 2018
4 Reads

In Vitro Degradation of Absorbable Zinc Alloys in Artificial Urine.

Materials (Basel) 2019 Jan 18;12(2). Epub 2019 Jan 18.

Department of Mining, Metallurgical and Materials Engineering, Laval University, 1065 avenue de la Médecine, Québec, QC G1V 0A6, Canada.

Absorbable metals have potential for making in-demand rigid temporary stents for the treatment of urinary tract obstruction, where polymers have reached their limits. In this work, in vitro degradation behavior of absorbable zinc alloys in artificial urine was studied using electrochemical methods and advanced surface characterization techniques with a comparison to a magnesium alloy. The results showed that pure zinc and its alloys (Zn⁻0. Read More

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http://dx.doi.org/10.3390/ma12020295DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6356898PMC
January 2019
1 Read

[A CASE REPORT: LITHIASIS OF THE LEFT ECTOPIC PELVIC KIDNEY].

Nihon Hinyokika Gakkai Zasshi 2018 ;109(1):54-57

The Department of Urology, Osaka Police Hospital.

We report a case of lithiasis of the left ectopic pelvic kidney. A 70-year-old man was admitted to our department for left lower back pain. He has been aware of gross hematuria since three or four years before. Read More

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http://dx.doi.org/10.5980/jpnjurol.109.54DOI Listing
February 2019
1 Read

Are Emergently Placed Nephrostomy Tubes Suitable for Subsequent Percutaneous Endoscopic Renal Surgery?

Urology 2019 Jan 15. Epub 2019 Jan 15.

Department of Urology, George Washington University Medical School, (GWUH), Washington, DC.

Objective: To determine the percentage of emergently placed nephrostomy tubes (NT) that were subsequently deemed usable for definitive percutaneous nephrolithotomy or percutaneous antegrade ureteroscopy in patients presenting with nephrolithiasis.

Methods: A multi-institutional retrospective database review was completed to identify patients who underwent emergent NT placement and then subsequent percutaneous nephrolithotomy or percutaneous antegrade ureteroscopy. Demographic, operative, and postoperative data were collected. Read More

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http://dx.doi.org/10.1016/j.urology.2019.01.006DOI Listing
January 2019
5 Reads

Pre-treatment serum testosterone level can be a useful factor to predict the improvement in bladder outlet obstruction by tadalafil for male patients with lower urinary tract symptoms induced by benign prostatic obstruction.

Aging Male 2019 Jan 16:1-7. Epub 2019 Jan 16.

a Department of Urology , Nagoya University Graduate School of Medicine , Nagoya , Japan.

Introduction: To investigate possible pre-treatment factors related to the therapeutic effect of tadalafil on bladder outlet obstruction (BOO).

Materials And Methods: Eighty untreated outpatients with lower urinary tract symptoms (LUTS) due to BOO received 5 mg tadalafil daily for 12 months. Subjective symptoms and objective findings were evaluated before and 12 months after treatment. Read More

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http://dx.doi.org/10.1080/13685538.2018.1563777DOI Listing
January 2019
1 Read

Bear Paw Sign: Xanthogranulomatous Pyelonephritis.

J Radiol Case Rep 2018 Nov 30;12(11):18-24. Epub 2018 Nov 30.

Department of Urology, Hospital Universitario Sanitas La Moraleja, Universidad Francisco de Vitoria, Madrid, Spain.

Xanthogranulomatous pyelonephritis is a rare form of chronic pyelonephritis in which the involved areas of the kidneys are destroyed and replaced by foam cells. It usually occurs in immunocompromised middle-aged females with ureteral obstruction or chronic urinary tract infection induced by the formation of renal stones. We herein report the case of a 44-year-old woman, with a history of left kidney staghorn calculi and recurrent urinary tract infections. Read More

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http://dx.doi.org/10.3941/jrcr.v12i11.3415DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6312122PMC
November 2018
1 Read

Robot-assisted laparoscopic pyeloplasty (RALP) in children with horseshoe kidneys: results of a multicentric study.

World J Urol 2019 Jan 14. Epub 2019 Jan 14.

Division of Pediatric Urology, Federico II University of Naples, Via Pansini 5, 80131, Naples, Italy.

Purpose: This multicentric study aimed to report our experience with robot-assisted laparoscopic pyeloplasty (RALP) in children with horseshoe kidney (HSK).

Methods: The records of 14 patients (11 boys and 3 girls with an average age of 9 years), who underwent RALP for repair of pelvi-ureteric junction obstruction (PUJO) in HSK in five international pediatric urology units over a 5-year period, were retrospectively reviewed. A dismembered pyeloplasty with no division of isthmus was performed in all the cases. Read More

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http://dx.doi.org/10.1007/s00345-019-02632-xDOI Listing
January 2019
2 Reads

[Iatrogenic disease in the elderly: about two cases of tricyclics-induced renal failure].

Pan Afr Med J 2018 23;30:282. Epub 2018 Aug 23.

Service de Néphrologie et d'Hémodialyse, CHU Sylvanus Olympio, Université de Lomé, Togo.

Prostatic hyperplasia is a common condition in people over the age of 50 and its incidence increases with age. It gives particular cause for concern when it is symptomatic. Drugs with potential adverse effects on lower urinary tract can induce symptoms. Read More

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http://dx.doi.org/10.11604/pamj.2018.30.282.14947DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6317405PMC
January 2019
1 Read

Value of Renal Pelvic Diameter and UTD classification in Prediction of Urinary Tract Anomalies.

Pediatr Int 2019 Jan 13. Epub 2019 Jan 13.

Dr. Sami, Ulus Maternity and Child Health and Diseases Training and Research Hospital, Department of Pediatric Nephrology, Ankara.

Background: In this study, we aimed to identify the cut-off values of postnatal anteroposterior renal pelvic diameter (APRPD) and we present our data based on the Urinary Tract Dilation (UTD) classification system to identify the predictors for final diagnosis of urinary tract dilation and the need for surgery.

Methods: A total of 260 infants (336 renal units) with prenatally detected urinary tract dilation were prospectively evaluated with serial ultrasonography by the same radiologist. Additional radiological assessments with voiding cystourethrography and scintigraphy were done according to our clinical algorithm. Read More

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http://dx.doi.org/10.1111/ped.13788DOI Listing
January 2019
2 Reads

[High ureteral insertion as the cause of extreme hydronephrosis in a 5-year-old child with horseshoe kidney].

Dev Period Med 2018 ;22(4):371-375

Katedra i Klinika Pediatrii i Nefrologii, Warszawski Uniwersytet Medyczny, Polska.

The incidence of horseshoe kidney is 1 per 400-800 live births. From 44-52% of the patients with horseshoe kidney have other coexisting abnormalities of the urinary tract, such as hydronephrosis, vesicoureteral reflux and a duplex collecting system. Our patient, a 5-year old boy, was admitted to a pediatric nephrology department because of abdominal pain and vomiting. Read More

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January 2018
4 Reads

Paediatric nephrectomy: Patterns, indications and outcome in a developing country.

Malawi Med J 2018 06;30(2):94-98

Sub-Department of Paediatric Surgery, Faculty of Medical Sciences, College of Medicine, University of Nigeria, Ituku/Ozalla Campus, Enugu, Nigeria.

Background: Patterns of and indications for nephrectomy vary in different age groups, geographical locations and time periods. In some series nephrectomies were mainly for malignant conditions while in others they were predominantly for non-malignant conditions. Such data on patterns, indications, and outcomes of nephrectomy in children is limited in our environment. Read More

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https://www.ajol.info/index.php/mmj/article/view/174382
Publisher Site
http://dx.doi.org/10.4314/mmj.v30i2.8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6307073PMC
June 2018
6 Reads

Massive Leiomyomatous Uterine Proliferation Following Kidney Transplantation: A Case Report and Literature Review.

Case Rep Transplant 2018 28;2018:3874937. Epub 2018 Nov 28.

Piedmont Hospital Atlanta, Piedmont Transplant Institute, 1968 Peachtree Street NW, 77 Building, 6 Floor, Atlanta, GA 30309, USA.

Uterine fibroids are the most common benign uterine tumors affecting > 50% of premenopausal women. The incidence, burden and symptoms from uterine fibroids are higher in women of African descent compared to Caucasians. Despite increasing number of African American females being evaluated for and undergoing kidney transplantation (KT), perioperative management guidelines for uterine fibroids currently do not exist. Read More

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https://www.hindawi.com/journals/crit/2018/3874937/
Publisher Site
http://dx.doi.org/10.1155/2018/3874937DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6304196PMC
November 2018
4 Reads

Neurological lower urinary tract dysfunction essential terminology.

Neurourol Urodyn 2018 Aug;37(S6):S25-S31

Translational Health Sciences, Bristol Medical School, Bristol, UK.

Aims: To introduce basic concepts and definitions in the International Continence Society (ICS) Standardisation of Terminology in adult Neurogenic Lower Urinary Tract Dysfunction (NLUTD).

Methods: Fundamental terminology in the ICS Standardisation of Terminology of Adult NLUTD was identified and summarized.

Results: NLUTD is often associated with impairment of cognitive, motor, sensory, and/or autonomic functions. Read More

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http://dx.doi.org/10.1002/nau.23758DOI Listing
August 2018
1 Read

The search for the definition, etiology, and effective diagnosis of upper urinary tract obstruction: the Whitaker test then and now.

J Pediatr Urol 2018 Nov 22. Epub 2018 Nov 22.

Anatomy Lecturer, Selwyn College, University of Cambridge, Cambridge, UK.

Introduction: Robert Whitaker, inspired by Dr William W Scott at the Brady Institute at Johns Hopkins and by Sir David Innes Williams at Great Ormond Street Hospital for Children in the late 1960s, spent much of his career exploring the meaning of persistent dilatation of the upper urinary tract, in an attempt to define obstruction and to find a means of diagnosing it accurately.

Objective: This is a historical review of Bob Whitaker's journey from his definition of obstruction to the inception of his eponymous test.

Results: In 1975, he proposed a theory to explain the pathophysiology behind obstructive hydronephrosis and megaureter. Read More

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http://dx.doi.org/10.1016/j.jpurol.2018.11.011DOI Listing
November 2018
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Bladder Stone in Pregnancy: A Case Report and Review of the Literature.

Am J Case Rep 2018 Dec 30;19:1546-1549. Epub 2018 Dec 30.

Department of Obstetrics and Gynecology, Maternal-Fetal Medicine Division, University of Arkansas for Medical Sciences, Little Rock, AR, USA.

BACKGROUND Bladder stones are rare in pregnancy, and can be associated with adverse outcomes such as recurrent urinary tract infection and obstruction of labor. Management of bladder stones discovered in pregnancy has traditionally been done via open techniques such as cystolithotomy or with percutaneous removal. Our objective was to present a case of bladder stone in pregnancy and review prior reports on bladder stones and management in pregnancy. Read More

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http://dx.doi.org/10.12659/AJCR.912614DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6322064PMC
December 2018
1 Read

Stopping or maintaining oral anticoagulation in patients undergoing photoselective vaporization of the prostate (SOAP) surgery for benign prostate obstruction: study protocol for a multicentre randomized controlled trial.

Trials 2018 Dec 27;19(1):705. Epub 2018 Dec 27.

Department of Urology, Clinique Pasteur, 45 avenue de Lombez, BP 27 617, 31076, Toulouse Cedex 3, France.

Background: Lower urinary tract symptoms related to benign prostatic obstruction (BPO) are frequent in men aged > 50 years. Based on the use of innovative medical devices, a number of transurethral ablative techniques have recently been developed for the surgical treatment of BPO. In recent years, GreenLight photoselective vaporization of the prostate (PVP) has been considered as a non-inferior alternative to transurethral resection of the prostate. Read More

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http://dx.doi.org/10.1186/s13063-018-3066-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6307178PMC
December 2018
1 Read

Extra-Anatomic Stents in Ureteric Obstruction: Our Experience.

J Endourol 2019 Feb 1. Epub 2019 Feb 1.

1 Department of Urology, Guy's and St Thomas' Hospitals, London, United Kingdom.

Objectives: To present our experience of the Detour extra-anatomic stent (EAS; Porges-Coloplast, Denmark) to bypass ureteric obstruction. Use of the EAS is indicated in patients with complex ureteric strictures or malignant disease, where long-term nephrostomy drainage is undesirable.

Materials And Methods: Between December 2001 and October 2017, 20 Detour EAS were implanted into 13 patients. Read More

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https://www.liebertpub.com/doi/10.1089/end.2018.0610
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http://dx.doi.org/10.1089/end.2018.0610DOI Listing
February 2019
4 Reads

Response to commentary to 'The search for the definition and effective diagnosis of upper urinary tract obstruction: the Whitaker test then and now'.

Authors:
R Whitaker

J Pediatr Urol 2018 Nov 30. Epub 2018 Nov 30.

University of Cambridge, Selwyn College, Cambridge, CB3 9DQ, UK. Electronic address:

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http://dx.doi.org/10.1016/j.jpurol.2018.11.013DOI Listing
November 2018
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Meta-analysis of Early Versus Late Ureteric Stent Removal After Kidney Transplantation.

Transplant Proc 2018 Dec 7;50(10):3411-3415. Epub 2018 Sep 7.

Department of Urology, Beijing Chaoyang Hospital Affiliated to Capital Medical University, Beijing, China; and Institute of Urology, Capital Medical University, Beijing, China.

Background: Ureteral stents have been widely used in kidney transplantation to prevent postoperative ureter-related complications such as ureteral stricture, ureteral obstruction, and ureteral leakage; however, a longer indwelling ureteral stent time corresponds to a greater risk of complications such as urinary tract infections. Currently, transplantation centers have not yet reached an agreement on the time to remove ureteral stents. Several randomized controlled trials (RCTs) have evaluated the optimal removal time for ureteral stents. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S00411345183103
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http://dx.doi.org/10.1016/j.transproceed.2018.08.033DOI Listing
December 2018
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Minimally Invasive Approach to Ureteral Stricture in Transplant Kidney by Periodic Retrograde Ureteral Stent Placement and Exchange.

Transplant Proc 2018 Dec 30;50(10):3405-3410. Epub 2018 Jun 30.

Department of Urology, Istinye University School of Medicine, Istanbul, Turkey.

Purpose: The aim of the study was to evaluate the effectiveness of minimally invasive treatment of ureteral strictures and describe the technique that we used for retrograde placement of ureteral stent in transplant kidneys.

Material And Methods: We reviewed the medical cards of all transplant kidney patients with persistent ureteral strictures who were managed with periodical ureteral stent placement and balloon dilatation between 2008 and 2016. Different maneuvers that were used to overcome the difficulties for retrograde ureteral stent placement and exchange were discussed. Read More

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http://dx.doi.org/10.1016/j.transproceed.2018.06.029DOI Listing
December 2018
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Routine Stenting of Extravesical Ureteroneocystostomy in Kidney Transplantation: A Systematic Review and Meta-analysis.

Transplant Proc 2018 Dec 30;50(10):3397-3404. Epub 2018 Jun 30.

William J. von Liebig Center for Transplantation, Mayo Clinic, Rochester, MN. Electronic address:

Background: Although rare, major urologic complications (MUC) in kidney transplantation can cause significant morbidity, increased cost, and may even lead to graft loss. Ureteric stents are routinely used to prevent MUC, although complications related to their use have been reported. Here, we systematically reviewed the role of routine stenting in preventing MUC in kidney transplantation with extravesical ureteric implantation and performed a meta-analysis of 6 randomized controlled trials. Read More

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http://dx.doi.org/10.1016/j.transproceed.2018.06.041DOI Listing
December 2018
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[Bladder stone secondary to prolene suture after gynecologic surgery].

Urologiia 2018 Dec(5):92-93

Hitit University, Erol Olcok Training and Research Hospital, Department of Urology, Corum, Turkey.

Bladder stones are usually seen among patients with bladder outlet obstruction, especially in men over the age of 50 years. There are several risk factors for bladder stones, including urinary tract infections, abnormal urinary tract system anatomy, and presence of foreign bodies. In addition, migrating intrauterine contraceptive devices through the wall of the urinary bladder and foreign bodies such as surgical sutures may act as a nidus for developing stone formation. Read More

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December 2018
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Intravenous urography findings in women with ureteric fistula.

Pan Afr Med J 2018 10;30:203. Epub 2018 Jul 10.

National Obstetric Fistula Centre, Abakaliki, Ebonyi State, Nigeria.

Introduction: Ureteric fistula is one of the major morbidities that can arise from pelvic surgeries. It mainly results from gynaecological and obstetric procedures. Intravenous urography is an imaging modality for the upper urinary tract. Read More

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http://dx.doi.org/10.11604/pamj.2018.30.203.15345DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6294966PMC
January 2019
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Treatment of fungal pyelonephritis and ureterolithiasis with a subcutaneous ureteral bypass system and systemic antifungal medication in a cat.

Vet Med (Auckl) 2018 27;9:73-78. Epub 2018 Nov 27.

Interventional Radiology/Endoscopy Department, ACCESS Specialty Animal Hospital, Culver City, CA, USA.

Purpose: We describe a case of ureteral obstruction and fungal pyelonephritis in a cat. The case was managed successfully with a subcutaneous ureteral bypass (SUB) device and systemic antifungal medication.

Case Summary: A 9-year-old, male, neutered, domestic shorthair cat was referred for severe azotemia, ureteral obstruction, and sonographically identified progressive pyelectasia of the left kidney. Read More

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http://dx.doi.org/10.2147/VMRR.S179112DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6267714PMC
November 2018
2 Reads

Female urethral dilatation (bougierung): a case report.

J Med Case Rep 2018 Dec 19;12(1):382. Epub 2018 Dec 19.

Vivantes Humboldt Clinic, Pelvic Floor and Incontinence Centre, Am Nordgraben 2., 13509, Berlin, Germany.

Background: Primary bladder neck obstruction is a rare clinical entity, reported to be responsible for 2.7-8% of lower urinary tract symptoms. It can lead to various urinary storage and voiding symptoms. Read More

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https://jmedicalcasereports.biomedcentral.com/articles/10.11
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http://dx.doi.org/10.1186/s13256-018-1900-zDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6299518PMC
December 2018
6 Reads

Posterior urethral valves: comparison of clinical outcomes between postnatal and antenatal cohorts.

J Pediatr Urol 2018 Nov 24. Epub 2018 Nov 24.

Pediatric Nephrourology Division, Department of Pediatrics, National Institute of Science and Technology (INCT) of Molecular Medicine, Faculty of Medicine, Federal University of Minas Gerais(UFMG), Brazil; Visiting Scholar, Division of Pediatric Nephrology, Rady Children's Hospital San Diego, University of California, San Diego, La Jolla, CA, USA. Electronic address:

Background: Posterior urethral valves (PUVs) constitute the most common infravesical urinary obstruction in boys and are often accompanied by severe consequences to the lower and upper urinary tract. Currently, about two-thirds of diagnosis of PUVs has been suspected by prenatal ultrasonography findings. The aim of this study was to compare long-term clinical outcomes in two groups of patients with PUVs, with antenatal vs. Read More

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http://dx.doi.org/10.1016/j.jpurol.2018.11.005DOI Listing
November 2018

[The Rezūm system in the treatment of male lower urinary tract symptoms (LUTSs) due to benign prostatic obstruction (BPO)].

Aktuelle Urol 2018 Dec 13;49(6):e94. Epub 2018 Dec 13.

Spital Thurgau AG, Urologie, Frauenfeld.

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http://dx.doi.org/10.1055/a-0820-1899DOI Listing
December 2018
2 Reads

Silodosin: An Update on Efficacy, Safety and Clinical Indications in Urology.

Adv Ther 2019 Jan 6;36(1):1-18. Epub 2018 Dec 6.

Division of Experimental Oncology/Unit of Urology, URI, IRCCS Ospedale San Raffaele, Milan, Italy.

Introduction: Silodosin determines smooth muscle relaxation in bladder and prostate tissues, increases bladder blood flow in conditions of chronic bladder ischemia and regulates the activity of transcriptional factors responsible for stromal growth and prostate hyperplasia. Phase III trials have already demonstrated the efficacy and safety of silodosin in the treatment of patients bothered by lower urinary tract symptoms (LUTS) secondary to benign prostatic hyperplasia (BPH).

Objective: We aimed to describe the rationality for the use of silodosin and to summarize the current literature on the use of Silodosin for the treatment of LUTS. Read More

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http://dx.doi.org/10.1007/s12325-018-0854-2DOI Listing
January 2019
2 Reads