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Prenatal hydronephrosis

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https://www.readbyqxmd.com/read/29777653/prenatal-hydronephrosis-another-swing-of-the-pendulum
#1
EDITORIAL
Andrew L Freedman
No abstract text is available yet for this article.
May 16, 2018: Journal of Urology
https://www.readbyqxmd.com/read/29757579/isolated-low-grade-prenatally-detected-unilateral-hydronephrosis-do-we-need-long-term-follow-up
#2
Osama M Sarhan, Ahmed El Helaly, Abdulhakim Al Otay, Mustafa Al Ghanbar, Ziad Nakshabandi
PURPOSE: To assess the need for postnatal evaluation and the medium term outcome in patients with isolated unilateral low grade prenatally detected hydronephrosis. MATERIALS AND METHODS: We prospectively selected 424 patients (690 kidney units) with a prenatal diagnosis of urinary tract dilatation between 2010 and 2013. We included only those patients with isolated unilateral low-grade hydronephrosis who underwent at least 2 postnatal ultrasound examinations. The Society for Fetal Urology (SFU) grading system was utilized for assessment of the hydronephrosis...
April 30, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29677882/re-urinary-tract-infections-in-children-with-prenatal-hydronephrosis-a-risk-assessment-from-the-society-for-fetal-urology-hydronephrosis-registry
#3
https://www.readbyqxmd.com/read/29673009/in-utero-spontaneous-bladder-rupture-in-a-fetus-with-posterior-urethral-valve-a-case-report-of-prenatal-diagnosis-and-management
#4
Shoichi Magawa, Hiroaki Tanaka, Masafumi Nii, Shintaro Maki, Yuki Kamimoto, Tomoaki Ikeda
Posterior urethral valve (PUV) rarely causes bladder rupture. We experienced hydronephrosis due to ureteral obstruction after the natural repair of a ruptured bladder in a fetus with PUV. Fetal ascites and oligohydramnios were diagnosed at 26 weeks' gestational age. While we followed up with ultrasonography, we regularly removed the fetal ascites via abdominal puncture, injecting warm saline instead of amniotic fluid. At 35 weeks' gestational age, the infant was diagnosed with severe bilateral hydronephrosis, absent of ascites and oligohydramnios...
April 19, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29626243/postnatal-imaging-of-prenatally-detected-hydronephrosis-when-is-voiding-cystourethrogram-necessary
#5
Sofia Visuri, Reetta Kivisaari, Timo Jahnukainen, Seppo Taskinen
OBJECTIVE: To evaluate whether grade 4-5 vesicoureteral reflux (VUR) can be predicted from renal ultrasound (RUS) findings and perform voiding cystourethrograms (VCUGs) only on high-risk patients. METHODS: The RUS and VCUG images of infants with prenatally detected hydronephrosis admitted to our institution between 2003 and 2013 were re-evaluated. The UTI episodes were collected retrospectively from patient journals. Patients with complex urinary tract anomalies were excluded...
April 7, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29538027/the-scintigraphic-drooping-lily-sign
#6
Karine Sahakyan, Melissa R Spevak, Harvey A Ziessman, Michael A Gorin, Steven P Rowe
The "drooping lily" sign is identified on intravenous urography or voiding cystourethrography in patients with a duplicated renal collecting system and refers to inferolateral displacement of a functioning lower pole moiety by an obstructed upper pole collecting system. In this case, a 2-month-old girl with a prenatal diagnosis of hydronephrosis was found to have a "scintigraphic drooping lily" sign on Tc-dimercaptosuccinic acid renal scan. Evaluation with ultrasound and voiding cystourethrography confirmed a duplicated collecting system and obstructed upper pole moiety...
May 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29518792/predictive-factors-of-contralateral-operation-after-initial-pyeloplasty-in-children-with-antenatally-detected-bilateral-hydronephrosis-due-to-ureteropelvic-junction-obstruction
#7
Dapeng Jiang, Zhoutong Chen, Houwei Lin, Maosheng Xu, Hongquan Geng
OBJECTIVES: This study was performed to analyze the predictive factors of a contralateral operation after initial pyeloplasty in patients with antenatally detected bilateral ureteropelvic junction obstruction. METHODS: Patients with prenatally diagnosed bilateral ureteropelvic junction obstruction who underwent initial pyeloplasty (aged <12 months at initial pyeloplasty) were offered to participate in the study. Patients were recruited from January 2012 to December 2015...
2018: Urologia Internationalis
https://www.readbyqxmd.com/read/29480234/computed-tomography-angiography-with-3d-reconstruction-in-diagnosis-of-hydronephrosis-cause-by-aberrant-renal-vessel-a-case-report-and-mini-review
#8
Yunfeng He, Shenjun Luo, Xiaohou Wu, Haitao Yang, Bruce B Zhang, Michael Bleyer, Gang Chen
BACKGROUND: Congenital hydronephrosis is often caused by aberrant renal vessel and it is difficult to be diagnosed and treated at the early stage due to lack of the significant symptoms. Although current medical diagnosis tools are widely used, the aberrant renal vessel cannot be displayed very well in the images. OBJECTIVE: To investigate whether applying computed tomography (CT) angiography with 3D reconstruction can improve efficacy in diagnose of this congenital hydronephrosis...
2018: Journal of X-ray Science and Technology
https://www.readbyqxmd.com/read/29398584/endoscopic-balloon-dilatation-in-primary-obstructive-megaureter-long-term-results
#9
I Casal Beloy, I Somoza Argibay, M García González, M A García Novoa, L M Míguez Fortes, T Dargallo Carbonell
BACKGROUND: Open neoureterocystostomy is the traditional surgical treatment for primary obstructive megaureter (POM). Endoscopic balloon dilation is a new minimally invasive alternative. It has been shown to be a safe and effective endoscopic procedure over short-term follow-up; however, few studies have shown its long-term efficacy. OBJECTIVE: The aim of this study was to evaluate the long-term results and complications of balloon dilation for the treatment of primary obstructive megaureter in infants...
November 21, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29324912/diuresis-renography-and-ultrasonography-in-children-with-antenatally-detected-hydronephrosis-can-support-diagnoses-and-suggest-related-surgery-treatment
#10
M Radulović, S Beatović, M Janković, Dragana Šobić-Šaranović, Vera Artiko, Boris Ajdinović
OBJECTIVE: Prenatal ultrasound (US) screening detects the hydronephrosis (HN)-dilatation of fetal renal collecting system in 1%-5% of all pregnancies. In most children, HN is detected by prenatal US screening between 18-20 gestational week. Pelvi- ureteric junction (PUJ) stenosis is the most common etiological factor of prenatal HN and requires postnatal follow-up. Diuresis renography plays important role in the follow-up by complementing morphological information obtained by US with the data about differential renal function (DRF) and drainage...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29314159/severe-fetal-hydronephrosis-the-added-value-of-associated-congenital-anomalies-of-the-kidneys-and-urinary-tract-cakut-in-the-prediction-of-postnatal-outcome
#11
Sharon Perlman, Lucia Roitman, Danny Lotan, Zvi Kivilevitch, Naomi Pode-Shakked, Ben Pode-Shakked, Reuven Achiron, Benjamin Dekel, Yinon Gilboa
OBJECTIVE: The aim of this study was to focus on fetuses diagnosed with severe hydronephrosis and correlate prenatal sonographic characteristics with postnatal outcome. METHODS: Cases presenting prenatally with severe hydronephrosis (anterior-posterior renal pelvic diameter >15 mm) were collected retrospectively over a period of 11 years and divided into 2 groups: (1) isolated hydronephrosis and (2) those associated with congenital anomalies of the kidney and urinary tract (CAKUT)...
February 2018: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29283090/prenatally-detected-unilateral-high-grade-hydronephrosis-can-we-predict-the-natural-history
#12
Osama M Sarhan, Ahmed El Helaly, Abdul Hakim Al Otay, Mustafa Al Ghanbar, Ziad Nakshabandi
INTRODUCTION: Fetal hydronephrosis (HN) occurs in around 5% of pregnancies and its prognosis depends mainly on the grade of the dilation. We attempted to determine the fate of isolated, unilateral, high-grade HN in children with antenatal diagnosis, emphasizing the risk factors for progression. METHODS: We retrospectively evaluated 424 children (690 kidney units) with antenatal HN in the period between 2010 and 2014. We included only those patients with isolated showed SFU Grade 3 HN in 24 (54%) and SFU Grade 4 HN in 20 (46%)...
December 22, 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/29198999/society-for-fetal-urology-classification-vs-urinary-tract-dilation-grading-system-for-prognostication-in-prenatal-hydronephrosis-a-time-to-resolution-analysis
#13
Luis H Braga, Melissa McGrath, Forough Farrokhyar, Kizanee Jegatheeswaran, Armando J Lorenzo
PURPOSE: The Urinary Tract Dilation grading system for prenatal hydronephrosis was introduced to address potential shortcomings of the Society for Fetal Urology classification. Hydronephrosis resolution is an important patient outcome and is frequently discussed during family counseling. We compared these 2 grading systems and their ability to predict time to hydronephrosis resolution. MATERIALS AND METHODS: We prospectively screened 855 patients with prenatal hydronephrosis due to ureteropelvic junction obstruction-like hydronephrosis, nonrefluxing primary megaureter or vesicoureteral reflux between 2009 and 2015...
June 2018: Journal of Urology
https://www.readbyqxmd.com/read/29133166/determination-of-threshold-value-for-follow-up-of-isolated-antenatal-hydronephrosis-detected-in-the-second-trimester
#14
Ravi de Roo, Bart J Voskamp, C Emily Kleinrouweler, Ben W Mol, Eva Pajkrt, Antonia H M Bouts
INTRODUCTION: Isolated antenatal hydronephrosis (ANH), defined as a dilation of the renal pelvis (≥5 mm), is one of the most common abnormalities detected on prenatal ultrasound. However, established cut-off values for postnatal follow-up differ between countries and are based on little evidence. The current protocol in the Netherlands for follow-up might be too conservative. OBJECTIVE: To assess the applicability of a higher threshold for follow-up of isolated antenatal hydronephrosis (ANH) than the current practice, without the risk of missing significant postnatal urinary tract obstruction...
December 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29133165/infant-crossed-renal-ectopia-with-upj-obstruction-repaired-via-robot-assisted-laparoscopic-pyeloplasty
#15
K Puttmann, G O Huang, J T White, K Kukreja, A Seth, C J Koh
INTRODUCTION: We present a robot-assisted approach to surgical treatment of UPJ obstruction associated with crossed renal ectopia in a male infant. METHODS: A 31 year-old woman presented at 37 weeks gestation for prenatal hydronephrosis and delivered at 39 weeks. Renal ultrasound identified the bladder and right kidney in a crossed ectopic position in the left pelvis, and MRI showed the cystic lesion to be hydronephrosis associated with a ureteropelvic junction obstruction of the crossed ectopic right kidney...
February 2018: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29125525/early-postnatal-bladder-function-in-fetoscopic-myelomeningocele-repair-patients
#16
Gene O Huang, Michael A Belfort, William E Whitehead, Oluyinka O Olutoye, Jonathan Castillo, Heidi Castillo, Kathryn K Ostermaier, Chester J Koh, Duong D Tu
PURPOSE: Prenatal repair of myelomeningocele (MMC) via hysterotomy has demonstrated neurosurgical and motor benefits, when compared to postnatal repairs. Urologic benefits, however, remain to be seen. The purpose of this study was to review early postnatal bladder function in patients undergoing a novel endoscopic approach for MMC repair using an exteriorized uterus. METHODS: A prospective urologic assessment of patients undergoing fetoscopic MMC repair and receiving subsequent care at our facility, was performed...
December 11, 2017: Journal of Pediatric Rehabilitation Medicine
https://www.readbyqxmd.com/read/29068584/hydronephrosis-in-the-course-of-ureteropelvic-junction-obstruction-an-underestimated-problem-current-opinions-on-the-pathogenesis-diagnosis-and-treatment
#17
REVIEW
Wojciech Krajewski, Joanna Wojciechowska, Janusz Dembowski, Romuald Zdrojowy, Tomasz Szydełko
Ureteropelvic junction obstruction (UPJO) causes a reduction in the urine flow from the renal pelvis into the ureter. Untreated UPJO may cause hydronephrosis, chronic infection or urolithiasis and will often result in progressive deterioration of renal function. Most cases of UPJO are congenital; however, the disease can be clinically silent until adulthood. Other causes, both intrinsic and extrinsic, are acquired and include urolithiasis, post-operative/inflammatory/ischemic stricture, fibroepithelial polyps, adhesions and malignancy...
August 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29054388/comparative-effectiveness-of-a-pilot-patient-centered-ultrasound-report-in-the-management-of-hydronephrosis
#18
Geolani W Dy, John L Gore, Wade W Muncey, Jonathan S Ellison, Paul A Merguerian
PURPOSE: Hydronephrosis is a common pediatric abnormality and can be associated with substantial parental anxiety, especially in the prenatal period. Radiology reports contain complex content that can be difficult for lay audiences to comprehend, potentially contributing to parental distress. MATERIALS AND METHODS: We developed and piloted a patient-centered radiology report (PCRR) for renal ultrasounds (US) in children with hydronephrosis (Figure). We obtained consensus from a multidisciplinary panel of experts regarding critical US report components...
February 2018: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28916231/-malrotated-kidney-causing-prenatal-giant-hydronephrosis
#19
R E Massicot, S Ferracci, A-P Uzel
We report the case of a malrotated right kidney associated with giant prenatal hydronephrosis due to a non vascular extrinsic ureteropelvic compression. The kidney presented an hyper-rotation of 180° in relation to the original fetal position, with the renal hilum backward looking. At neonatal surgery we discover that the inferior pole of the kidney pushes laterally the ureteropelvic junction like a violin bridge. The simple uncrossing of the ureteropelvic junction from the inferior renal pole relieves the extrinsic ureteral obstacle and the giant hydronephrosis...
September 12, 2017: Morphologie: Bulletin de L'Association des Anatomistes
https://www.readbyqxmd.com/read/28817240/prenatal-presentation-of-mabry-syndrome-with-congenital-diaphragmatic-hernia-and-phenotypic-overlap-with-fryns-syndrome
#20
Kara K Reynolds, Jane Juusola, Gregory M Rice, Philip F Giampietro
We report on a family in which initial features were compatible with Fryns syndrome. The first sibling was a stillborn female with a left diaphragmatic hernia (DH). Her clinical features overlapped with Fryns syndrome. The second pregnancy, a male fetus, was followed for polyhydramnios, hypoplastic mandible, mild enlargement of the fetal bladder, hydronephrosis, and rocker bottom foot deformities. He had facial features similar to his sibling and a large cleft of the secondary palate, small jaw, and secundum atrial septal defect...
October 2017: American Journal of Medical Genetics. Part A
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