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Congenital hydronephrosis

Ahmed R El-Nahas, Mohamed M Elsaadany, Diaa-Eldin Taha, Ahmed M Elshal, Mohamed Abo El-Ghar, Amani M Ismail, Essam A Elsawy, Hazem H Saleh, Ehab W Wafa, Amira Awadalla, Tamer S Barakat, Khaled Z Sheir
OBJECTIVE: To evaluate the protective effects of Selenium-ACE, Verapamil and losartan against SWL induced renal injury. PATIENTS AND METHODS: A randomized controlled trial was conducted between August 2012 and February 2015. Inclusion criteria were adult patients with a single renal stone (<2cm) suitable for SWL. Patients with diabetes, hypertension, congenital renal anomalies, moderate or marked hydronephrosis, or preoperative albuminuria (>300mg/L) were excluded...
September 30, 2016: BJU International
Liangsheng Lu, Yunli Bi, Xiang Wang, Shuangsui Ruan
PURPOSE: Midureteral obstruction is an extremely rare condition. This retrospective study assessed the outcomes of laparoscopic ureteroureterostomy (UU) in 13 children with midureteral obstructions. METHODS: Records of patients with midureteral obstruction who underwent laparoscopic end-to-end UU between July 2011 and August 2015 were reviewed. The medical records comprised patient demographic data, intraoperative details, postoperative outcomes, and related complications...
September 26, 2016: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
Natalie Uy, Kimberly Reidy
Congenital anomalies of the kidney and urinary tract (CAKUT) are common birth defects and the leading cause of end-stage renal disease in children. There is a wide spectrum of renal abnormalities, from mild hydronephrosis to more severe cases, such as bilateral renal dysplasia. The etiology of the majority of cases of CAKUT remains unknown, but there is increasing evidence that genomic imbalance contributes to the pathogenesis of CAKUT. Advances in human and mouse genetics have contributed to increased understanding of the pathophysiology of CAKUT...
March 2016: Journal of Pediatric Genetics
Hong Mei, Xiang Zhao, Dan Li, Erhu Fang, Xiaojing Wang, Huajie Song, Jiarui Pu, Liduan Zheng, Qiangsong Tong
OBJECTIVE: To compare the efficacy of transumbilical multiport (TMLP) and standard laparoscopic pyeloplasty (SLP) for the treatment of congenital ureteropelvic junction obstruction in children. METHODS: Forty-eight patients were included in this matched-pair study. The TMLP applied three transumbilical incisions for one 5-mm and two 3-mm ports, whereas SLP was undertaken with traditional three-port technique. The demographic, perioperative, and follow-up data were retrospectively compared between TMLP (n=24) and SLP (n=24) groups...
August 31, 2016: Journal of Pediatric Surgery
Zhijuan Dai, Luya Ruan, Jian Jin, Yanying Qian, Liang Wang, Zhen Shi, Chaoming Wu
OBJECTIVE: To detect potential mutation in a pedigree affected with congenital nephrogenic diabetes insipidus (NDI). METHODS: Clinical data of a male patient affected with NDI was collected. Genomic DNA was extracted from peripheral blood samples from the patient and five family members. The whole coding region of the arginine vasopressin receptor 2 (AVPR2) gene was amplified by PCR and directly sequenced. RESULTS: The patient presented polyuria and polydipsia postnatally...
October 2016: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
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...
August 24, 2016: Journal of Obstetrics and Gynaecology Research
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 2007-2013, 7 children were diagnosed with UPJO in lower moiety. Their medical records were retrospectively analyzed, mainly focused on anatomic aspects and operation details...
August 18, 2016: International Journal of Surgery
Mohd Ashraf, Virender Kumar, Rifat Ara Bano, Khursheed Ahmed Wani, Javed Ahmed, Kaisar Ahmed
INTRODUCTION: Definite paucity of data pertaining to spectrum of renal and urinary tract diseases in our state and in various parts of India forms the basis of this study. Available data has emphasized more on specific clinical syndromes and chronic renal diseases rather than over all spectrums of renal and urinary tract diseases, that too in adult population. AIM: The present study a retrospective analysis, forms one of the basic data of paediatric nephrology and urology related disorders in our state...
June 2016: Journal of Clinical and Diagnostic Research: JCDR
Laura Vilalta, Elisabet Dominguez, Raul Altuzarra, Neus Sibera, Yvonne Espada, Rosa Novellas, Jaime Martorell
An 8-month-old neutered male ferret was presented for vaccination and preventive treatment for adrenal gland disease. Abdominal ultrasound revealed severe bilateral hydronephrosis and hydroureter. Excretory urography and negative contrast cystography showed bilateral ureterovesical junction stenosis. Positive retrograde cystography demonstrated right ureteral reflux. A subcutaneous ureteral bypass was placed in the left kidney; however, it had to be removed 3 months later due to an obstruction and persistent urinary tract infection...
August 4, 2016: Veterinary Radiology & Ultrasound
Hend Shalaby, Reda Hemida, Hanan Nabil, Mohammad Ibrahim
BACKGROUND: Congenital anomalies of the kidney and urinary tract in the developing countries have a poor prognosis due to limited experience in antenatal and postnatal management. PATIENTS AND METHODS: A 3-year retrospective study was carried out from January 2011 to December 2013. The following data were collected and analyzed: maternal age, gravidity, parity, gestational age at diagnosis, and ultrasonography findings. Final diagnosis after birth, the performed surgeries, follow-up data, as well as survival at one year were also analyzed...
October 2016: Journal of Obstetrics and Gynaecology of India
Jialu Liu, Li Sun, Qian Shen, Xiaohui Wu, Hong Xu
BACKGROUND: Disruption of ROBO2 in humans causes vesicoureteral reflux (VUR)/congenital anomalies of the kidney and urinary tract (CAKUT). PiggyBac (PB) is a DNA transposon, and its insertion often reduces-but does not eliminate-gene expression. The Robo2 insertion mutant exhibited non-dilating VUR, ureteropelvic junction obstruction (UPJO) not found in reported models. We studied the incidence and outcomes of VUR/CAKUT in this mutant and explored the relationship between Robo2 gene expression and the occurrence and severity of VUR/CAKUT...
2016: BMC Nephrology
Grażyna Krzemień, Agnieszka Szmigielska, Przemysław Bombiński, Marzena Barczuk, Agnieszka Biejat, Stanisław Warchoł, Teresa Dudek-Warchoł
BACKGROUND: Hydronephrosis is the one of the most common congenital abnormalities of urinary tract. The left kidney is more commonly affected than the right side and is more common in males. AIM OF THE STUDY: To determine the role of ultrasonography, renal dynamic scintigraphy and lowerdose computed tomography urography in preoperative diagnostic workup of infant with extreme hydronephrosis. CASE REPORT: We presented the boy with antenatally diagnosed hydronephrosis...
April 2016: Developmental Period Medicine
Y El Harrech, O Ghoundale, E H Kasmaoui, D Touiti
Introduction. Retrocaval ureter is a rare congenital anomaly. Open surgery was the classic treatment for this condition. Laparoscopy is currently an admitted procedure to treat many urological diseases. The objective of our study is to present our experience and discuss the safety and the feasibility of transperitoneal laparoscopic pyelopyelostomy for treatment of retrocaval ureter (RCU). Materials and Methods. Three symptomatic patients underwent laparoscopic repair for RCU in our department. The diagnosis was suspected on the computed tomography scan (CT) and confirmed on ascending pyelography...
2016: Advances in Urology
Michael E Wilhide, James D Feller, Birong Li, Ahmad Z Mohamed, Brian Becknell, Ashley R Jackson, Kirk M McHugh, Susan E Ingraham
BACKGROUND: Congenital obstructive nephropathy (CON) is a leading cause of pediatric chronic kidney disease (CKD). Despite optimal surgical and medical care, there is a high rate of CKD progression. Better understanding of molecular and cellular changes is needed to facilitate development of improved biomarkers and novel therapeutic approaches in CON. METHODS: The megabladder (mgb) mouse is an animal model of CKD with impaired bladder emptying, hydronephrosis, and progressive renal injury...
October 2016: Pediatric Research
Christopher E Bayne, Craig A Peters
INTRODUCTION: Congenital infundibulopelvic stenosis (IFPS) is a rare renal dysmorphism marked by dilated calyces proximal to diminutive infundibulum and renal pelvises. The entity is theorized to exist on the spectrum of congenital obstructive renal diseases between ureteropelvic junction obstruction and multicystic dysplasia. OBJECTIVE: This case series sought to review and present the surgical management of three cases of IFPS with progressive renal insufficiency...
June 21, 2016: Journal of Pediatric Urology
Christiane Peuckert, Bejan Aresh, Pavlo Holenya, Derek Adams, Smitha Sreedharan, Annika Porthin, Louise Andersson, Hanna Pettersson, Stefan Wölfl, Rüdiger Klein, Leif Oxburgh, Klas Kullander
A substantial portion of the human population is affected by urogenital birth defects resulting from a failure in ureter development. Although recent research suggests roles for several genes in facilitating the ureter/bladder connection, the underlying molecular mechanisms remain poorly understood. Signaling via Eph receptor tyrosine kinases is involved in several developmental processes. Here we report that impaired Eph/Ephrin signaling in genetically modified mice results in severe hydronephrosis caused by defective ureteric bud induction, ureter maturation, and translocation...
August 2016: Kidney International
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
Rebecca S Zee, Katherine W Herbst, Christina Kim, Patrick H McKenna, Tom Bentley, Christopher S Cooper, C D Anthony Herndon
INTRODUCTION: Risk factors for urinary tract infection (UTI) in children with prenatal hydronephrosis (PNH) are not clearly defined. Our study aim was to describe incidence and identify factors associated with UTI among a cohort of children diagnosed with PNH. MATERIAL AND METHODS: Patients with confirmed PNH from four medical centers were prospectively enrolled in the Society for Fetal Urology (SFU) hydronephrosis registry between 9/2008 and 10/2015. Exclusion criteria included enrollment because of UTI, associated congenital anomalies, and less than 1-month follow-up...
August 2016: Journal of Pediatric Urology
Hui Chen, Hong-Ying Ji, Yi Yang
BACKGROUND: The aim of this study was to determine the expression pattern of Gli3 and Teashirt3 in stenotic segments in children with congenital hydronephrosis due to pelvi-ureteric junction obstruction (PUJO) versus in normal control subjects. MATERIALS AND METHODS: 60 patients and 10 controls were included in this study. Immunohistochemistry, Western blot and real-time PCR were used to investigate into the expression of Gli3 and Teashirt3. RESULTS: Immunohistochemistry identified that Gli3 and Teashirt3 located in the cytoplasm of smooth muscle in normal ureter...
2016: International Journal of Medical Sciences
Nevena Manevska, Sinisa Stojanoski, Venjamin Majstorov, Daniela Pop-Gjorcheva, Nikolina Zdraveska, Dafina Kuzmanovska
BACKGROUND: Radionuclide techniques, as direct radionuclide cystography and (99m)Tc-DMSA scintigraphy, have been used in evaluation of vesicoureteral reflux (VUR) and reflux nephropathy (RN) in children. Dynamic (99m)Tc-DTPA scintigraphy is reserved for evaluation of differential renal function and obstruction in children, where hydronephrosis is detected by ultrasonography (US) pre- or postnatally. CASE REPORT: Six year old boy was prenatally diagnosed with bilateral hydronephrosis...
March 15, 2016: Open Access Macedonian Journal of Medical Sciences
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