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Duplex Kidney

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https://www.readbyqxmd.com/read/29135146/-laparoscopic-heminephrureterectomy-for-duplex-kidney-in-children
#1
I M Kagantsov, V V Sizonov, V I Dubrov, S G Bon-Darenko, N R Akramov, O S Shmyrov, G I Kuzovleva, N V Markov, D E Sablin, R V Surov, A V Pirogov, A A Logval
INTRODUCTION: Duplication of the upper urinary tract is one of the most common congenital urological anomalies. In patients with critically decreased or lost function of one of the renal segments, heminephrureterectomy is usually the treatment of choice. Until recently, this was an open surgery; in cases of complete removal of the ureter, an additional incision in the iliac region was required. Currently, heminephrureterectomy is increasingly performed laparoscopically. We report the experience in laparoscopic heminephrureterectomy (LHNUE) in 10 clinics in Russia and Belarus...
October 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/29037562/dandy-walker-syndrome-with-duplex-kidney-abnormalities-in-trisomy-18-a-rare-case-report
#2
Tun-Jun Wang, Yi-Ying Li, Wan-Ju Wu, Chi-Kang Lin, Chun-Kai Wang, Chen-Yu Wang, Kwei-Shuai Hwang, Her-Young Su
OBJECTIVE: Trisomy 18 is one of the major numerical chromosomal disorders. The incidence of trisomy 18 is approximately one in 6000 live births. Dandy-Walker malformation (DWM) is the most common congenital malformation of the cerebellum, with an incidence of about one in 5000 live births. The incidence of trisomy 18 associated with DWM is rare and long-term survival rate is very low. CASE REPORT: A case involving a 39-year-old pregnant female with a case of trisomy 18 associated with DWM...
October 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29027269/partial-nephrectomy-for-small-children-robot-assisted-versus-open-surgery
#3
Quentin Ballouhey, Aurélien Binet, Pauline Clermidi, Karim Braik, Thierry Villemagne, Jérôme Cros, Hubert Lardy, Laurent Fourcade
OBJECTIVES: To compare the outcomes of robot-assisted heminephrectomy for duplex kidney in children with those of open heminephrectomy. METHODS: The present retrospective multicentric analysis reviewed the records of robot-assisted versus open heminephrectomy carried out for duplex kidney in children from 2007 to 2014. Demographic data, weight, surgical time, hospital stay, complications and outcome were recorded. Follow up was based on a clinical review, renal sonography and dimercaptosuccinic acid renal scintigraphy...
October 13, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28958477/duplex-scan-and-histologic-assessment-of-acute-renal-injury-in-a-kidney-kidney-crosstalk-swine-experimental-model
#4
Anna Paula W Baptista Sincos, Angela Mazzeo, Igor Rafael Sincos, Felipe Coelho Neto, Nelson Wolosker, Ricardo Aun, Katia R M Leite, Vitoria Penido de Paula, Oskar G Kaufmann
OBJECTIVE: The objective of this study was to identify the effect of two left renal vasculature occlusion strategies on the duplex ultrasound-assessed rheology and histology of the contralateral kidney. METHODS: Pigs were randomly assigned to one of two groups: left renal artery-only clamping (A group, n = 8) or left renal artery and vein clamping (AV group, n = 9). Bilateral renal parenchymal biopsy specimens were taken every 10 minutes for 90 minutes. Duplex ultrasound resistive index (RI) and pulsatility index (PI) were measured...
September 25, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28943272/clinical-outcomes-of-the-upper-urinary-tract-after-ureteral-clipping-for-the-treatment-of-low-or-non-functioning-renal-moieties
#5
Roberto Iglesias Lopes, Nicolas Fernandez, Martin A Koyle, Joana Dos Santos, Jaime Perez, Rodrigo Romao, Armando J Lorenzo
PURPOSE: A growing body of evidence suggest it is safe to ligate the ureter of poorly functioning renal moieties during renal transplantation. Herein, we present clinical outcomes and data on hydronephrosis progression in pediatric cases associated with ectopic ureters and obstructive ureteroceles. MATERIAL AND METHODS: Prospective data collection on 35 consecutive patients (23 female, 12 male) who underwent ureteral clipping between 02/2011 and 08/2016. Patients were divided in four groups [I: duplex system (DS) with ectopic ureter (45...
September 21, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28918072/development-of-a-duplex-semi-nested-pcr-assay-for-detection-of-classical-goose-parvovirus-and-novel-goose-parvovirus-related-virus-in-sick-or-dead-ducks-with-short-beak-and-dwarfism-syndrome
#6
Pengfei Li, Ruihua Zhang, Junhao Chen, Dapeng Sun, Jingjing Lan, Shaoli Lin, Shasha Song, Zhijing Xie, Shijin Jiang
Duck short beak and dwarfism syndrome (SBDS) is an emerging infectious disease caused by a novel goose parvovirus-related virus (NGPV) in China. Until now, it remains uncertain whether the Cherry Valley ducks and mule ducks with SBDS are co-infected with classical goose parvovirus (GPV) and NGPV. In this study, a duplex semi-nested PCR assay with high specificity and sensitivity was developed for detection of the two viruses. Using the duplex PCR assay, NGPV was tested positive in all the 15 duck flocks with SBDS, whereas classical GPV was not detected in all the 133 sick and dead ducks collected from East China...
November 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28887264/toe-pressures-are-superior-to-duplex-parameters-in-predicting-wound-healing-following-toe-and-foot-amputations
#7
Patrick A Stone, Alexis Glomski, Stephanie N Thompson, Elliott Adams
BACKGROUND: No criteria, including preamputation vascular diagnostic thresholds, have been established to reliably predict healing versus nonhealing following minor lower extremity amputations. Thus, the goal of our study was to identify clinical factors, including noninvasive vascular laboratory measures, associated with wound healing following toe, forefoot, and midfoot amputations. METHODS: We retrospectively examined records of patients receiving elective toe, forefoot, or midfoot amputation at our institution over a 5-year span (2010-2015)...
September 6, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28833353/assessment-of-an-extended-interval-fondaparinux-dosing-regimen-for-venous-thromboembolism-prophylaxis-in-critically-ill-patients-with-severe-renal-dysfunction-using-antifactor-xa-levels
#8
Krista A Wahby, Lauren K Riley, Steven D Tennenberg
OBJECTIVE: Pharmacologic options for venous thromboembolism (VTE) prophylaxis are often limited in critically ill patients due to thrombocytopenia and multisystem organ dysfunction. Fondaparinux offers potential advantages in the critically ill; however, it is currently contraindicated in severe renal dysfunction (SRD). We evaluated antifactor Xa levels in critically ill patients with SRD who were receiving an extended interval dosing regimen of fondaparinux for VTE prophylaxis. METHODS: A prospective, single arm, interventional study was conducted at two academic hospitals of the Detroit Medical Center...
August 22, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28830149/mutagenicity-of-ochratoxin-a-role-for-a-carbon-linked-c8-deoxyguanosine-adduct
#9
REVIEW
Richard A Manderville, Stacey D Wetmore
Ochratoxin A (OTA) is a fungal toxin that is considered to be a potent kidney carcinogen in rodent models. The toxin produces double strand breaks and has a propensity for deletions, single-base substitutions, and insertions. The toxin reacts covalently with DNA to afford a C8-2'-deoxyguanosine carbon-linked adduct (OT-dG) as the major lesion in animal tissues. Incorporation of model C-linked C8-aryl-dG adducts into the G3 site of the NarI sequence demonstrates a tendency to induce base substitutions and deletion mutations in primer extension assays using model polymerases...
August 23, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28761593/case-series-transplantation-of-kidneys-from-donors-with-renal-artery-aneurysm
#10
Mahmoud Alameddine, Zhobin Moghadamyeghaneh, Giselle Guerra, Mahmoud Morsi, Mohammed Osman, V J Chia, George W Burke, Linda Chen, Rodrigo Vianna, Ian Zheng, Javier González, Gaetano Ciancio
INTRODUCTION: With the present disparity between organ availability and recipient demands, we reported our experience in transplanting kidneys with renal artery aneurysm after back-table reconstruction. METHODS: Four patients were identified. The repair consisted of excision of the aneurysm with ostial closure, and for one of the cases, an ovarian vein patch was used. We reviewed the safety and outcomes of this procedure. All donors were asymptomatic before surgery and were diagnosed incidentally during living donor evaluation...
July 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28749272/ketamine-medetomidine-and-ketamine-medetomidine-midazolam-anesthesia-in-captive-cheetahs-acinonyx-jubatus-comparison-of-blood-pressure-and-kidney-blood-flow
#11
Julia Stagegaard, Arne Hørlyck, Helle B Hydeskov, Mads F Bertelsen
Six clinically healthy captive cheetahs ( Acinonyx jubatus ) were anesthetized twice using two different drug combinations to investigate if blood pressure and kidney blood flow are affected by medetomidine dosage. Protocol KM (2.0 mg/kg ketamine and 0.05 mg/kg medetomidine) was compared with protocol KMM (2.0 mg/kg ketamine, 0.02 mg/kg medetomidine, and 0.1 mg/kg midazolam). Heart rate (HR), respiratory rate (RR), body temperature, end-tidal carbon dioxide pressure (ETCO2), and anesthetic depth were monitored every 10 min...
June 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28724605/heterozygous-loss-of-function-mutation-in-odd-skipped-related-1-osr1-is-associated-with-vesico-ureteric-reflux-duplex-systems-and-hydronephrosis
#12
Marie-Lyne Fillion, Jasmine El Andalousi, Fatima Tokhmafshan, Vasikar Murugapoopathy, Christine L Watt, Inga J Murawski, John-Paul Capolicchio, Mohamed El-Sherbiny, Roman Jednak, Indra Rani Gupta
Osr1 is a transcriptional repressor that plays critical roles in maintaining the mesenchymal stem cell population within the developing kidney. Here, we report that newborn pups with a heterozygous null mutation in Osr1 exhibit a 21% incidence of vesico-ureteric reflux and have hydronephrosis and urinary tract duplications. Newborn pups have a short intravesical ureter resulting in a less competent uretero-vesical junction which arises from a delay in urinary tract development. We describe a new domain of Osr1 expression in the ureteral mesenchyme and within the developing bladder in the mouse...
July 19, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28699016/position-related-renal-perfusion-disturbances-as-a-possible-underestimated-mechanism-in-patients-with-resistant-hypertension-a-case-vignette
#13
Jan Schiefer, Holger Amthauer, Philipp Genseke, Peter R Mertens, Christos Chatzikyrkou
PURPOSE: In patients with resistant hypertension and large blood pressure fluctuations, the role of orthostatic hypertension, associated with position-dependent renal perfusion disturbances, has not been investigated in detail yet. METHODS: In this regard, four patients from our outpatient clinic were investigated by the use of 24-h ambulatory blood pressure monitoring (ABPM), active standing test, renal duplex sonography and Tc99m-mercaptoacetyltriglycine [MAG3] renal scintigraphy in supine and upright position...
October 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28689200/optimal-medical-management-reduces-risk-of-disease-progression-and-ischemic-events-in-asymptomatic-carotid-stenosis-patients-a-long-term-follow-up-study
#14
Zubair Shah, Reza Masoomi, Rashmi Thapa, Mashhood Wani, John Chen, Buddhadeb Dawn, Marilyn Rymer, Kamal Gupta
BACKGROUND AND PURPOSE: To assess the effect of optimal medical management including atherosclerotic risk factor control on ischemic stroke (IS), transient ischemic attack (TIA), carotid revascularization (CRV), and progression of severity of carotid stenosis (PSCS) in patients with asymptomatic carotid artery stenosis (ACAS). METHODS: We conducted a retrospective analysis of patients with ACAS (who had at least 3 serial carotid duplex ultrasounds) for incidence of IS, TIA, and PSCS...
2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28684923/bilateral-herpes-zoster-in-a-patient-with-end-stage-kidney-disease
#15
Tetsu Akimoto, Shigeaki Muto, Daisuke Nagata
Herpes zoster (HZ) is caused by the reactivation of a latent varicella-zoster virus (VZV) infection within the cranial or dorsal root ganglia. The cutaneous lesions of HZ are typically limited to a single dermatome, while non-contiguous HZ involving two or more dermatomes is a very rare clinical entity. In this report, we describe a case of HZ involving the left and right side of the abdomen corresponding to the T11 dermatome in a 63-year-old man on chronic peritoneal dialysis. The characteristic cutaneous manifestation encouraged us to ascribe the disease to HZ duplex bilateralis, and the patient was given a single dose of oral valacyclovir and achieved a favorable outcome...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28659483/human-bocavirus-1-is-a-novel-helper-for-adeno-associated-virus-replication
#16
Zekun Wang, Xuefeng Deng, Wei Zou, John F Engelhardt, Ziying Yan, Jianming Qiu
Human bocavirus 1 (HBoV1) is an autonomous parvovirus that infects well-differentiated primary human airway epithelia (HAE) in vitro. In human embryonic kidney (HEK) 293 cells, transfection of a duplex HBoV1 genome initiates viral DNA replication and produces progeny virions that are infectious in HAE. HBoV1 takes advantage of signaling pathways in the DNA damage response for efficient genome amplification in both well-differentiated (non-dividing) HAE and dividing HEK293 cells. On the other hand, adeno-associated virus 2 (AAV2) is a helper-dependent dependoparvovirus, and productive AAV2 replication requires co-infection with a helper virus (e...
June 28, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28648650/planning-execution-and-follow-up-for-endovascular-aortic-aneurysm-repair-using-a-highly-restrictive-iodinated-contrast-protocol-in-patients-with-severe-renal-disease
#17
E Gallitto, G L Faggioli, M Gargiulo, A Freyrie, R Pini, C Mascoli, S Ancetti, V Vento, A Stella
BACKGROUND: The cumulative amount of iodinated-contrast-medium necessary for EVAR planning, operative procedure and subsequent follow-up is a threat for the onset of end stage renal disease in patients with pre-operative impaired kidney function. Purpose of this study is to describe a mini-invasive approach aimed to minimize the exposure of these patients to iodinated-contrast-medium and the subsequent risk of renal function worsening. METHODS: From 2012 to 2015, all patients with abdominal aortic aneurysm (AAA) at high-surgical risk and fit for standard endovascular repair (simple aortic-iliac anatomy: proximal and distal neck length ≥15mm, no severe angulation), underwent EVAR through the following "near-zero contrast" approach, if their glomerular filtration rate (GFR) was <30 mL/min: pre-operative planning was performed by non-contrast enhanced computed tomography (CT) and duplex-ultrasound (DU); the origin of renal/hypogastric arteries and aortic bifurcation was evaluated and matched with vertebral bone landmarks and the endograft deployed accordingly, using < 20cc of isotonic iodinate-contrast-medium and contrast-enhancement-DU (CEUS)...
June 22, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28587402/establishment-and-evaluation-of-a-reversible-two-kidney-one-clip-renovascular-hypertensive-rat-model
#18
Li-Qiang Li, Jian Zhang, Rong Wang, Jian-Xin Li, Yong-Quan Gu
The aim of the present study was to establish and evaluate a novel and reversible two-kidney, one-clip renovascular hypertensive rat model with a titanium vascular clip. A total of 40 male Sprague-Dawley rats were evenly and randomly divided into a sham-operated group, and 3, 7, 12 and 28D groups (namely removing the vascular clip in the renovascular hypertensive model after 3, 7, 12 and 28 days, respectively). The systolic blood pressure (SBP) and plasma renin activity (PRA) were measured, and color duplex imaging was conducted before placing the clips, as well as before and after removing them...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28544699/renal-anomalies-and-lymphedema-distichiasis-syndrome-a-rare-association
#19
Gabriela E Jones, Anna K Richmond, Osric Navti, Hatem A Mousa, Stephen Abbs, Edward Thompson, Sahar Mansour, Pradeep C Vasudevan
Lymphedema distichiasis syndrome (LDS) is a rare, autosomal dominant genetic condition, characterized by lower limb lymphedema and distichiasis. Other associated features that have been reported include varicose veins, cleft palate, congenital heart defects, and ptosis. We update a previously reported family with a pathogenic variant in FOXC2 (c.412-413insT) where five affected individuals from the youngest generation had congenital renal anomalies detected on prenatal ultrasound scan. These included four fetuses with hydronephrosis and one with bilateral renal agenesis...
May 23, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28514894/successful-repair-of-acute-type-b-and-retrograde-type-a-aortic-dissection-with-kidney-ischemia
#20
Jeko M Madjarov, Michael G Katz, Hector Crespo-Soto, Svetozar Madzharov, Timothy Roush, Francis Robicsek
Acute dissection of thoracic aorta carries a risk of renal ischemia followed by the development of a kidney failure. The optimal surgical and nonsurgical management of these patients, timing of intervention, and the factors predicting renal recovery are not well delineated and remain controversial. We present a case of acute type B thoracic aortic dissection with left kidney ischemia. Evaluation of renal function was performed by the means of internationally accepted Risk, Injury, Failure, Loss of kidney function, End stage kidney disease and Acute Kidney Injury Network classifications for acute kidney injury, renal duplex sonography, and intravascular ultrasound that demonstrated left renal artery dissection with a flap completely compressing the true lumen...
July 2017: Vascular and Endovascular Surgery
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