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Duplex Kidney

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https://www.readbyqxmd.com/read/28216924/outcome-of-percutaneous-nephrolithotomy-in-anomalous-kidney-is-it-different
#1
Gaurav Prakash, Rahul Janak Sinha, Ankur Jhanwar, Ankur Bansal, Vishwajeet Singh
INTRODUCTION: Various anomalous kidneys such as horseshoe kidney, crossed ectopic kidney, simple ectopic kidney, pelvic ectopic kidney, kidney with duplex system, and malrotated kidney are frequently associated with stone disease. Percutaneous nephrolithotomy (PCNL) is a challenging procedure in these patients because of abnormal orientation of kidney. PATIENTS AND METHODS: Since 2005-2015, 86 patients underwent PCNL for stone removal in anomalous kidneys. Stone characteristics, type of calyceal puncture, number of punctures, need of relook procedures, mean hemoglobin drop, blood transfusion, mean operative time complications, mean hospital stay, stone free rate, and auxiliary procedure were analyzed...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28216451/ureteric-obstruction-from-malignant-melanoma-in-both-right-double-moiety-and-left-single-moiety-ureters
#2
Brayden March, Ross John Spero Calopedos, Edward Latif, Rupert Ouyang
We report the first documented case of malignant melanoma obstructing ureters of both moieties of a duplex kidney and contralateral single moiety ureter in a 51-year-old male. The patient presented with fever, coryzal symptoms and liver function test derangement several years after two superficial spreading melanomas were excised with clear margins. Ultrasonography demonstrated hydronephroureter in both moieties of a complete right-sided duplex kidney. Retrograde pyelograms showed bilateral hydronephroureter and filling defects in all three ureters...
February 16, 2017: Urology
https://www.readbyqxmd.com/read/28202017/association-between-metformin-use-and-below-the-knee-arterial-calcification-score-in-type-2-diabetic-patients
#3
Aurélien Mary, Agnes Hartemann, Sophie Liabeuf, Carole Elodie Aubert, Salim Kemel, Joe Elie Salem, Philippe Cluzel, Aurélie Lenglet, Ziad A Massy, Jean-Daniel Lalau, Romuald Mentaverri, Olivier Bourron, Saïd Kamel
BACKGROUND: Vascular calcification (VC) is common in type 2 diabetes, and is associated with cardiovascular complications. Recent preclinical data suggest that metformin inhibits VC both in vitro and in animal models. However, metformin's effects in patients with diabetic VC have not previously been characterized. The present study investigated the association between metformin use and lower-limb arterial calcification in patients with type 2 diabetes and high cardiovascular risk. METHODS: The DIACART cross-sectional cohort study included 198 patients with type 2 diabetes but without severe chronic kidney disease...
February 15, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28167691/robotic-partial-nephrectomy-for-duplex-kidney-with-ectopic-ureter-draining-in-the-vagina-in-an-adult-patient-with-urinary-incontinence
#4
Humza Mahmood, Marios Hadjipavlou, Raj Das, Chris Anderson
A duplex kidney system with an ectopic ureter draining into the vagina is a congenital malformation that typically presents as refractory urinary incontinence. Diagnosis is often difficult to establish and delayed due to a low incidence. We present the case of a patient aged 26 years with a life-long history of persistent urinary incontinence. Initial presentation was at childhood; however, the diagnosis went undetermined for 22 years. CT urography revealed a duplex kidney with an atrophic upper pole associated with an ectopic ureter that drained into the vaginal vault...
February 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28126394/laparoscopic-selective-clipping-of-upper-moiety-vasculature-and-ureter-without-partial-nephrectomy-a-novel-technique-for-pediatric-urinary-incontinence-due-to-ectopic-ureter-associated-with-poor-functioning-upper-renal-moiety
#5
S H Hosseini Sharifi, B Nabavizadeh, S Mozafarpour, A-M Kajbafzadeh
OBJECTIVE: The aim of this study was to present a novel laparoscopic technique for persistent urinary incontinence in pediatrics due to ectopic ureter associated with poor functioning upper renal moiety. METHODS: This technique consisted of laparoscopic clipping of the upper moiety artery and vein. The ectopic ureter was also clipped afterwards without upper pole partial nephrectomy. RESULTS: The patient was a seven-year-old girl with persistent urinary incontinence and confirmation of duplex kidney with poor functioning upper moiety in pre-operative investigations...
January 13, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28031665/splenorenal-arterial-bypass-description-of-technique-and-case-example-in-an-instance-of-renal-revascularization-during-adrenalectomy-for-adrenocortical-carcinoma
#6
J Yozawitz, M Kissin, M Szuchmacher, J Sullivan, J Nicastro, G Coppa, E Molmenti
We present a patient with a 16 cm adrenocortical carcinoma that underwent a left adrenalectomy en bloc with resection of the involved segment of the left renal artery. A splenectomy and splenorenal bypass was performed to revascularize the left kidney. To our knowledge, this is the first instance in the literature of a splenorenal arterial bypass being reported for renal revascularization during an extirpative oncologic procedure. A 64-year-old male patient, with history significant for adrenocortical carcinoma, status post prior right adrenalectomy with partial right nephrectomy, presented for an elective left adrenalectomy...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/27990567/identification-and-characterization-of-multiple-porcine-astrovirus-genotypes-in-hunan-province-china
#7
Chao-Ting Xiao, Zhang Luo, Sun-Liang Lv, Tanja Opriessnig, Run-Cheng Li, Xing-Long Yu
Astroviruses (AstVs) can infect a variety of hosts, including mammalian and avian species, and are commonly associated with enteric infections. Recently, mammalian AstVs have been linked to extra-intestinal manifestations, including neurologic disorders in humans, cattle and minks, demonstrating zoonotic potential. So far, five porcine AstV (PAstV) genotypes have been identified, with PAstV1, PAstV2, PAstV3 and PAstV5 implicated in cross-species transmission. Our knowledge about PAstV epidemiology in China is still limited...
December 18, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27986479/prospective-nonrandomized-study-to-evaluate-endovascular-repair-of-pararenal-and-thoracoabdominal-aortic-aneurysms-using-fenestrated-branched-endografts-based-on-supraceliac-sealing-zones
#8
Gustavo S Oderich, Mauricio Ribeiro, Jan Hofer, Jean Wigham, Stephen Cha, Julia Chini, Thanila A Macedo, Peter Gloviczki
PURPOSE: To investigate outcomes of manufactured fenestrated and branched endovascular aortic repair (F-BEVAR) endografts based on supraceliac sealing zones to treat pararenal aortic aneurysms and thoracoabdominal aortic aneurysms (TAAAs). METHODS: A total of 127 patients (91 male, mean age 75 ± 10 years old) were enrolled in a prospective, nonrandomized single-center study using manufactured F-BEVAR (November 2013-March 2015). Stent design was based on supraceliac sealing zone in all patients with ≥ four vessels in 111 (89%)...
December 13, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27979705/renal-function-and-carotid-atherosclerosis-in-adults-with-no-known-kidney-disease
#9
S Buscemi, G Geraci, F M Massenti, C Buscemi, F Costa, C D'Orio, G Rosafio, C Buscemi, V Maniaci, G Parrinello
BACKGROUND AND AIMS: A high prevalence of atherosclerotic lesions characterizes patients with chronic kidney disease, though there is little data on the relationship between kidney function and atherosclerotic changes in the healthy population or in people with no known renal impairment. The aim of our study was to analyze, in a comprehensive general population with no known kidney disease, the relationship between renal function and subclinical carotid atherosclerotic damage. METHODS AND RESULTS: A general real-life population of 611 participants (233 males and 378 females; age ≥18 years) with no known kidney failure was selected for the study...
September 28, 2016: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/27964829/the-role-of-voiding-cystourethrography-in-asymptomatic-unilateral-isolated-ureteropelvic-junction-obstruction-a-retrospective-study
#10
Mohammed S ElSheemy, Waleed Ghoneima, Mohammad Abdelwahhab, Waseem Aboulela, Kareem Daw, Ahmed M Shouman, Ahmed I Shoukry, Mohamed El Ghoneimy, Hany A Morsi, Hesham Badawy
INTRODUCTION: The presence of concomitant vesicoureteric reflux (VUR) and ureteropelvic junction obstruction (UPJO) is uncommon. Nevertheless, the reported VUR coexisting with asymptomatic unilateral isolated hydronephrosis (AUIH) requiring pyeloplasty for correction of UPJO was of low grade and mostly resolved during conservative follow-up. Therefore, VCUG may be not indicated in these children except if voiding symptoms, urinary tract infection (UTI), dilated ureters, or bladder and ureteric abnormalities are suspected...
November 24, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27923152/hydronephrosis-in-the-wnt5a-ablated-kidney-is-caused-by-an-abnormal-ureter-bladder-connection
#11
Kangsun Yun, Alan O Perantoni
The Wnt5a null mouse is a complex developmental model which, among its several posterior-localized axis defects, exhibits multiple kidney phenotypes, including duplex kidney and loss of the medullary zone. We previously reported that ablation of Wnt5a in nascent mesoderm causes duplex kidney formation as a result of aberrant development of the nephric duct and abnormal extension of intermediate mesoderm. However, these mice also display a loss of the medullary region late in gestation. We have now genetically isolated duplex kidney formation from the medullary defect by specifically targeting the progenitors for both the ureteric bud and metanephric mesenchyme...
December 3, 2016: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/27920854/recurrent-urinary-tract-infections-in-an-adult-with-a-duplicated-renal-collecting-system
#12
Junaid Raja, Amir M Mohareb, Bilori Bilori
Because of advancements in fetal imaging, anatomic variants of the genitourinary tract are most often discovered in the antenatal period. As such, general internists are less likely to encounter adult patients with previously undiagnosed anatomic abnormalities of the renal collecting system, such as duplicated kidneys. These abnormalities put patients at risk for urinary obstruction and recurrent infections of the urinary tract. We report the case of a 40-year-old diabetic patient with a previously undiagnosed duplex kidney who had recurrent episodes of diabetic ketoacidosis triggered by urinary tract infections...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27878457/poorly-understood-and-often-miscategorized-congenital-umbilical-cord-hernia-an-alternative-repair-method
#13
E İnce, A Temiz, S S Ezer, H Ö Gezer, A Hiçsönmez
PURPOSE: Umbilical cord hernia is poorly understood and often miscategorized as "omphalocele minor". Careless clamping of the cord leads to iatrogenic gut injury in the situation of umbilical cord hernia. This study aimed to determine the characteristics and outcomes of umbilical cord hernias. We also highlight an alternative repair method for umbilical cord hernias. METHODS: We recorded 15 cases of umbilical cord hernias over 10 years. The patients' data were retrospectively reviewed, and preoperative preparation of the newborn, gestational age, birth weight, other associated malformations, surgical technique used, enteral nutrition, and length of hospitalization were recorded...
November 22, 2016: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/27873231/atherosclerotic-renal-artery-stenosis
#14
Robert Schoepe, Stephen McQuillan, Debbie Valsan, Geoffrey Teehan
Atherosclerotic Renal Artery Stenosis is a form or peripheral arterial disease that tends to affect older subjects with hyperlipidemia, history of tobacco use, and who have other coexistent forms of vascular insufficiency. An abdominal bruit on physical exam can be a helpful clue. Slowly progressive, it can lead to critical narrowing of the renal arteries which creates a cascade of events such as renin-angiotensin-aldosterone activation (RAAS), hypertension, acute pulmonary edema, and renal fibrosis. The hypertension is considered a secondary form and can even be resistant to multiple antihypertensives...
November 22, 2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27867847/retroperitoneal-and-laparoscopic-heminephrectomy-in-duplex-kidney-in-infants-and-children
#15
Ciro Esposito, Maria Escolino, Marco Castagnetti, Antonio Savanelli, Angela La Manna, Alessandra Farina, Francesco Turrà, Agnese Roberti, Alessandro Settimi, Francois Varlet, Holger Till, Jean Stephan Valla
BACKGROUND: Two main techniques are adopted to perform partial nephrectomy in children: laparoscopy and retroperitoneoscopy. The aim of this paper is to review the larger multicentric experience recently published by our group to review indications, techniques and results of both approaches. METHODS: Data of 102 patients underwent partial nephrectomy in a 5-year period using minimally invasive surgery (MIS) procedures were analyzed. Fifty-two children underwent laparoscopic partial nephrectomy (LPN), and 50 children underwent retroperitoneoscopic partial nephrectomy (RPN)...
October 2016: Translational pediatrics
https://www.readbyqxmd.com/read/27829833/unusual-presentation-of-duplex-kidneys-ureteropelvic-junction-obstruction
#16
Cemile Başdaş, Süleyman Çelebi, Seyithan Özaydın, Birgül Karaaslan, Elmas Reyhan Alim, Ünal Güvenç, Serdar Sander
Aim. Ureteropelvic junction obstruction (UPJO) is rarely associated with a duplex collecting system. We review this unusual anomaly in terms of presentation, diagnostic evaluation, and surgical management. Method. We retrospectively reviewed the medical records of patients diagnosed with a duplex system with UPJO. Result. Sixteen patients (6 girls, 10 boys) with 18 moieties were treated surgically and four patients were treated conservatively. The median age at surgery was two years (range, 2 months to 7 years)...
2016: Advances in Urology
https://www.readbyqxmd.com/read/27790549/ureteral-reflux-into-an-ectopic-upper-moeity-of-a-duplex-kidney-from-the-bladder-neck-with-distal-ureteral-pseudodiverticulum-formation
#17
Denver Steven Pinto, Tom George, Deepali Saxena, Thara Joseph, V Ravi Hoisala
Urinary incontinence is a condition causing significant psychological trauma and affects the quality of life of the affected individual. Though common causes of urinary incontinence of non-traumatic aetiology in young adults include detrusor instability and congenital conditions like meningomyelocoele, an ectopic ureter is an important surgically correctable cause of urinary incontinence. The cause of incontinence in an ectopic ureter is insertion of the ureter distal to the internal urethral sphincter. The authors describe a case report of an ectopic ureter arising from a duplex moiety with poor renal function using multiple modalities...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27704184/mini-percutaneous-nephrolithotomy-for-stones-in-anomalous-kidneys-a-prospective-study
#18
Sanjay Khadgi, Babu Shrestha, Hamdy Ibrahim, Sunil Shrestha, Mohammed S ElSheemy, Ahmed M Al-Kandari
To evaluate safety and efficacy of minipercutaneous nephrolithotomy (Mini-PNL) in management of stones in different types of renal anomalies. Patients with stones ≥2 cm or SWL-resistant stones in anomalous-kidneys treated by Mini-PNL between March 2010 and September 2012 were included prospectively. Mini-PNL was done under regional anesthesia in prone position with fluoroscopic guidance through 18 Fr sheath using semirigid ureteroscope (8.5/11.5 Fr) and pneumatic lithotripter. All patients were followed-up for 2-3 years...
October 4, 2016: Urolithiasis
https://www.readbyqxmd.com/read/27695208/comparison-of-intravenous-urography-and-magnetic-resonance-urography-in-preoperative-evaluation-of-pelvi-ureteric-junction-obstruction-in-children
#19
Alok Sharma, Kushaljit Singh Sodhi, Akshay Kumar Saxena, Anmol Bhatia, Prema Menon, Katragadda L N Rao, Niranjan Khandelwal
AIMS: To compare intravenous urography (IVU) and magnetic resonance urography (MRU) in the preoperative evaluation of pelvi-ureteric junction obstruction (PUJO) in children. MATERIALS AND METHODS: A total of 35 children up to 10 years of age in whom unilateral or bilateral PUJO were suspected on ultrasonography were enrolled in this prospective study. All children underwent IVU and MRU, and the findings were compared. RESULTS: Of the 70 kidneys evaluated, 14 (20%) were not visualized on IVU because of nonexcretion of contrast, whereas all the 70 (100%) kidneys were visualized on MRU...
October 2016: Journal of Indian Association of Pediatric Surgeons
https://www.readbyqxmd.com/read/27618805/duplex-doppler-sonography-is-there-clinical-relevance-to-elevated-renal-vein-velocity-in-kidney-transplants
#20
Mittul Gulati, Suzanne L Palmer, Michael Y Im, Hossein Jadvar, Yasir A Qazi, Umer Fazli, Edward G Grant
PURPOSE: This study aims to determine a velocity threshold in the main renal vein (MRV) of renal transplants and evaluate the cause and clinical significance of elevated velocity. METHODS: Maximum MRV velocity from 331 consecutive renal transplant Doppler ultrasounds in 170 patients was recorded. A priori, twice the median MRV velocity was selected as the threshold for elevation. Ultrasounds were divided into "early" and "late" periods based on time after transplantation...
November 2016: Clinical Imaging
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