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Prenatal hydronephrosis

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https://www.readbyqxmd.com/read/28042787/-predictive-factors-of-the-outcomes-of-prenatal-hydronephrosis
#1
Paolo Bragagnini, Blanca Estors, Reyes Delgado, Miguel Ángel Rihuete, Jesús Gracia
OBJECTIVES: To determine prenatal and postnatal independent predictors of poor outcome, spontaneous resolution, or the need for surgery in patients with prenatal hydronephrosis. METHODS: We performed a retrospective study of patients with prenatal hydronephrosis. The renal pelvis APD was measured in the third prenatal trimester ultrasound, as well as in the first and second postnatal ultrasound. Other variables were taken into account, both prenatal and postnatal...
December 2016: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28040132/molecular-cytogenetic-characterization-of-mosaicism-for-a-small-supernumerary-marker-chromosome-derived-from-chromosome-8-or-r-8-p12%C3%A2-q13-1-associated-with-phenotypic-abnormalities
#2
Chih-Ping Chen, Shuan-Pei Lin, Yi-Hui Lin, Schu-Rern Chern, Peih-Shan Wu, Yen-Ni Chen, Shin-Wen Chen, Chien-Wen Yang, Wen-Lin Chen, Wayseen Wang
OBJECTIVE: We present molecular cytogenetic characterization of mosaicism for a small supernumerary marker chromosome (sSMC) derived from chromosome 8. MATERIALS AND METHODS: A 35-year-old woman underwent amniocentesis at 16 weeks of gestation because of advanced maternal age. Amniocentesis revealed a karyotype of 47,XY,+mar[20]/46,XY[39]. However, array comparative genomic hybridization analysis on the subcultured amniocytes revealed no genomic imbalance. Prenatal ultrasound showed bilateral ventriculomegaly, intrauterine growth restriction, and an enlarged right atrium...
December 2016: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27939966/prediction-of-clinical-outcomes-in-prenatal-hydronephrosis-importance-of-gravity-assisted-drainage
#3
Rachael D Sussman, Emily S Blum, Bruce M Sprague, Massoud Majd, H Gil Rushton, Hans G Pohl
PURPOSE: In infants with SFU (Society for Fetal Urology) grade 3-4 congenital hydronephrosis, (99m)Tc-mercaptoacetyltriglycine diuretic renography assesses differential function and drainage half-time. We routinely also include the percent of radiotracer drained after 30 minutes of diuresis as well as after 15 minutes with the patient in the upright position. We investigated whether any 1 or more of these parameters on initial diuretic renography predicts persistent or worsening drainage parameters...
December 7, 2016: Journal of Urology
https://www.readbyqxmd.com/read/27883314/diagnostic-and-surgical-approach-to-prenatally-detected-urinary-tract-anomalies
#4
Mile Petrovski
Regular ultrasound examinations carried out in the second trimester of pregnancy help in detecting many anomalies in the fetal urinary tract. Their percentage ranges from 1% to 3% of all controlled pregnancies. There is a wide spectrum of anomalies that affect the urinary tract, but the most significant are: uretero/hydronephrosis (unilateral or bilateral), kidney agenesis, dysplastic kidney, polycystic and multicystic kidneys, anomalies of ascent, anomalies of kidney rotation or fusion, bladder exstrophy, posterior urethra valve etc...
November 1, 2016: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/27842760/-laparoscopic-ureterovesical-repair-for-megaureter-treatment
#5
Sergio Landa-Juárez, Alejandra Guerra-Rivas, Ramón Salgado-Sangri, Ana María Castillo-Fernandez, Hermilo de la Cruz-Yañez, Carlos Garcia-Hernandez
BACKGROUND: An alternative treatment for obstructive and refluxing obstructive megaureter with ureterovesical junction maintenance through laparoscopy is proposed. MATERIAL AND METHODS: The series consists of 8 cases, all of them studied because of prenatal hydronephrosis or febrile urinary tract infection. Seven were diagnosed with obstructive megaureter and one with obstructive refluxing megaureter. The procedure consisted in incising the stenotic portion of the ureter longitudinally and maintaining its posterior wall attached to the bladder, the anterior wall of the ureter was anastomosed transversally to the bladder mucosa in order to liberate the obstruction...
November 11, 2016: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/27825585/robot-assisted-laparoscopic-lower-pole-partial-nephrectomy-in-the-pediatric-patient
#6
Ashley C Wiestma, Patricia S Cho, Michael V Hollis, Joseph Badway, Richard N Yu
INTRODUCTION: In pediatric urology, partial nephrectomy is used primarily to remove a non-functioning renal moiety in a duplicated system. There are few data on infants undergoing this procedure. As such, we present a robot-assisted laparoscopic lower pole partial nephrectomy in an infant. METHODS: Our patient was an 11-month-old (10.7 kg) male with a history of prenatal hydronephrosis, who was diagnosed postnatally with a duplicated right collecting system and severe hydroureteronephrosis of the right lower collecting system...
December 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27816985/determination-of-the-need-for-surgical-intervention-in-infants-diagnosed-with-fetal-hydronephrosis-in-china
#7
Lei Zhang, Chao Liu, Yan Li, Chao Sun, Xiang Li
BACKGROUND Hydronephrosis is a common congenital condition. The detection of fetal hydronephrosis by ultrasound presents a treatment dilemma. This study aims to examine postnatal follow-up and treatment for hydronephrosis diagnosed prenatally. MATERIAL AND METHODS This was a retrospective study of 210 infants with hydronephrosis diagnosed at the Qilu Hospital (Shangdong, China) between January 2005 and January 2013. The patient cohort was divided into four groups based on prenatal ultrasound examinations using the Society for Fetal Urology (SFU) classification system...
November 6, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27713070/renal-parenchyma-to-hydronephrosis-area-ratio-phar-as-a-predictor-of-future-surgical-intervention-for-infants-with-high-grade-prenatal-hydronephrosis
#8
Mandy Rickard, Armando J Lorenzo, Luis H Braga
OBJECTIVE: To explore the potential value of an objective assessment, renal parenchyma-to-hydronephrosis area ratio (PHAR), as an early predictor of surgery. MATERIALS AND METHODS: Initial sagittal renal ultrasound images of patients prospectively entered into a prenatal hydronephrosis (PHN) database from January 2008-2016 with baseline SFU grades III and IV PHN, without vesicoureteral reflux, were evaluated using NIH-sponsored image-processing software. PHAR, APd, SFU grade and urinary tract dilation (UTD) risk categories were contrasted with nuclear scan data (differential renal function [DRF] and drainage time [t ½]), and analyzed for predictive value in determining the decision to proceed with surgery by drawing receiver operator characteristic curves...
October 3, 2016: Urology
https://www.readbyqxmd.com/read/27643400/diagnostic-accuracy-of-mid-trimester-antenatal-ultrasound-for-multicystic-dysplastic-kidneys
#9
C Scala, S McDonnell, F Murphy, U Leone Roberti Maggiore, A Khalil, A Bhide, B Thilaganthan, A T Papageorghiou
OBJECTIVES: To establish the diagnostic accuracy of obstetric ultrasound at a tertiary fetal medicine centre in the prenatal detection of unilateral and bilateral MCDK in fetuses where this condition was suspected; and to undertake a systematic review of the literature on this topic. METHODS: Retrospective observational study of all cases with an antenatal diagnosis of either unilateral or bilateral MCDK referred to a regional tertiary fetal medicine unit between 1997 and 2015...
September 19, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27590478/associations-of-initial-society-for-fetal-urology-grades-and-urinary-tract-dilatation-risk-groups-with-clinical-outcomes-in-patients-with-isolated-prenatal-hydronephrosis
#10
Luis H Braga, Melissa McGrath, Forough Farrokhyar, Kizanee Jegatheeswaran, Armando J Lorenzo
PURPOSE: There are limited comparative data on the predictive value of the 2 most commonly used classification systems, that is SFU (Society for Fetal Urology) hydronephrosis grades and urinary tract dilatation risk groups, in regard to the future risk of surgical intervention and the development of febrile urinary tract infection. We explored this topic in infants with isolated hydronephrosis. MATERIALS AND METHODS: After screening 938 patients with prenatal hydronephrosis from 2009 to 2016 we selected 322 patients with ureteropelvic junction obstruction-like hydronephrosis for study...
August 31, 2016: Journal of Urology
https://www.readbyqxmd.com/read/27557727/pregnancy-outcomes-in-liver-transplant-recipients-a-15-year-single-center-experience
#11
Yu Kanzaki, Eiji Kondoh, Kaoru Kawasaki, Haruta Mogami, Yoshitsugu Chigusa, Ikuo Konishi
AIM: There are an increasing number of reports of pregnancy following liver transplantation, but many questions remain regarding preconception counseling and management of the pregnancy. The aim of this study was to report pregnancy outcomes in women who had undergone liver transplants and to gain insight into these issues. METHODS: We conducted a retrospective review of liver transplant recipients who had received prenatal care at Kyoto University Hospital between January 2001 and December 2015...
November 2016: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/27554368/fetal-mri-incidental-findings-in-the-mother
#12
Selwan B Abdullah, Kelly R Dietz, Tara L Holm
BACKGROUND: Fetal magnetic resonance imaging (MRI) is a routinely used tool in prenatal diagnosis; however, there is a lack of studies evaluating incidental findings observed in the mother. OBJECTIVE: This study describes and quantifies incidental findings observed in the mother during fetal MRI. MATERIALS AND METHODS: We reviewed all fetal MRI studies at the University of Minnesota Medical Center from February 2008 to September 2014. Two pediatric radiologists retrospectively conducted a consensus evaluation...
November 2016: Pediatric Radiology
https://www.readbyqxmd.com/read/27545957/the-morphology-and-treatment-of-coexisting-ureteropelvic-junction-obstruction-in-lower-moiety-of-duplex-kidney
#13
Wei Liu, Liujuan Zhang, Rui Ma, Rongde Wu
BACKGROUND: Duplex kidney is a common congenital anomaly of the urinary tract, while ureteropelvic junction obstruction (UPJO) in lower unit of duplex kidney is rare. Surgical treatment can be challenging in such cases. The aim was to report our experience in managements of UPJO in lower moiety of duplex kidney. METHODS: Among the pediatric patients with duplex system from 2007 to 2013, 7 children were diagnosed with UPJO in lower moiety. Their medical records were retrospectively analyzed, mainly focused on anatomic aspects and operation details...
October 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27421781/unilateral-renal-agenesis-necessity-of-postnatal-evaluation-in-a-contemporary-series
#14
Osama M Sarhan, Khalid Albedaiwi, Badr Al Harbi, Abdulhakim Al Otay, Mustafa Al Ghanbar, Ziad Nakshabandi
OBJECTIVE: To assess the need for postnatal evaluation and the long-term consequences in patients with prenatal diagnosis of unilateral renal agenesis (URA). MATERIALS AND METHODS: A retrospective review of the records of all patients with prenatal diagnosis of URA between 2004 and 2013 was done. We included all patients who underwent postnatal evaluation with renal bladder ultrasound (RBUS), dimercaptosuccinic acid scan, and a voiding cystourethrogram. Long-term follow-up included physical examination and assessment of contralateral renal growth...
December 2016: Urology
https://www.readbyqxmd.com/read/27375711/therapeutic-approaches-and-long-term-follow-up-for-prenatal-hydronephrosis
#15
Bahattin Aydogdu, Gulay Tireli, Oyhan Demirali, Unal Guvenc, Cemile Besik, Serdar Sander, Aysel Kiyak
OBJECTIVE: This study summarises the outcomes of 149 patients who underwent surgery for antenatally diagnosed unilateral hydronephrosis. METHODS: The medical records of such patients over a 23-year period were reviewed retrospectively. Age at the time of operation, preoperative and postoperative mean pelvic diameter on ultrasound, split renal function, washout patterns on scintigraphy, and early and late complications were recorded. RESULTS: The mean preoperative follow-up period was five months (range: 1-66 months)...
May 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27346067/commentary-to-urinary-tract-infections-in-children-with-prenatal-hydronephrosis-a-risk-assessment-from-the-society-for-fetal-urology-hydronephrosis-registry
#16
L H Braga, B Easterbrook
No abstract text is available yet for this article.
August 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27342956/uroepithelial-thickening-improves-detection-of-vesicoureteral-reflux-in-infants-with-prenatal-hydronephrosis
#17
Zachary N Gordon, Daryl J McLeod, Christina B Ching, Daniel B Herz, D Gregory Bates, Brian Becknell, Seth A Alpert
INTRODUCTION: Postnatal evaluation of prenatal hydronephrosis (PNH) often includes a voiding cystourethrogram (VCUG) for VUR assessment. Despite limited supporting data, VCUG is currently recommended if postnatal renal and bladder ultrasound (RBUS) reveals moderate/severe hydronephrosis (HN) or hydroureter (HU). Recent studies have shown VUR is more accurately diagnosed by using certain sonographic findings as criteria for obtaining VCUG. Uroepithelial thickening (UET) of the renal pelvis is a finding associated with high-grade vesicoureteral reflux (HGVUR); however, the clinical significance of UET with PNH has not been studied...
August 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27320684/clinical-and-radiological-risk-factors-predicting-open-surgical-repair-in-pediatric-patients-with-dilating-vesicoureteral-reflux
#18
Pankaj P Dangle, Omar Ayyash, Jathin Bandari, Audry Kang, Heidi A Stephany, Glenn M Cannon, Francis X Schneck, Michael C Ost
OBJECTIVE: To study the individual patient-related risk factors in those undergoing open corrective vesicoureteral reflux (VUR) surgery in a contemporary series. The management of VUR remains controversial, and the indications for open surgery has evolved from that of surgeon and patient preference to criteria involving breakthrough urinary tract infections and grade of VUR. MATERIALS AND METHODS: A retrospective study was performed, and patients undergoing open surgical repair for dilating VUR (grade III-V) from 2005 to 2014 were included...
January 2017: Urology
https://www.readbyqxmd.com/read/27313982/giant-congenital-hydronephrosis-obstructing-the-gastro-intestinal-system-and-the-contralateral-kidney-in-a-new-born
#19
Ismail Masarwa, Zaher Bahouth, Sarel Halachmi
A 5 day old baby, with known left hydronephrosis which discovered by prenatal US presented with gastrointestinal tract obstruction. Laboratory work up demonstrated abnormal renal function and metabolic acidosis combined with hyperkalemia. Radiology tests showed bilateral hydronephrosis with huge left renal pelvis crossing the midline and causing deviation of the gut laterally. This acute presentation beside inability to receive oral feeding made us prefer immediate left renal drainage with pyelostomy in order to restore renal function, relieve the pressure effect of the huge renal pelvis and stabilize the baby...
September 2016: Urology Case Reports
https://www.readbyqxmd.com/read/27307966/postnatal-evaluation-and-outcome-of-prenatal-hydronephrosis
#20
Simin Sadeghi-Bojd, Abdol-Mohammad Kajbafzadeh, Alireza Ansari-Moghadam, Somaye Rashidi
BACKGROUND: Prenatal hydronephrosis (PNH) is dilation in urinary collecting system and is the most frequent neonatal urinary tract abnormality with an incidence of 1% to 5% of all pregnancies. PNH is defined as anteroposterior diameter (APD) of renal pelvis ≥ 4 mm at gestational age (GA) of < 33 weeks and APD ≥ 7 mm at GA of ≥ 33 weeks to 2 months after birth. All patients need to be evaluated after birth by postnatal renal ultrasonography (US). In the vast majority of cases, watchful waiting is the only thing to do; others need medical or surgical therapy...
April 2016: Iranian Journal of Pediatrics
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