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Posterior urethral valve

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https://www.readbyqxmd.com/read/28229802/renal-transplant-in-patients-with-abnormal-bladder-impact-of-causes-on-graft-function-and-survival
#1
Baher M Salman, Ahmed I Hassan, Sultan M Sultan, Paul R Tophill, Ahmed M Halawa
OBJECTIVES: Successful kidney transplant depends partly on the normal physiologic functioning of the bladder, which involves effective urine storage and emptying. The bladder may become abnormal owing to various urologic and neuropathic disorders. Patients with abnormal bladders need careful management before and after transplant. In this study, we aimed to determine the outcomes of renal transplants in relation to various causes of abnormal bladder. MATERIALS AND METHODS: We conducted a retrospective review of 25 patients with abnormal bladder who received 30 renal transplants between 1990 and 2014...
February 23, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28229280/posterior-urethral-valve-in-fetuses-evidence-for-the-role-of-inflammatory-molecules
#2
Érica Leandro Marciano Vieira, Natalia Pessoa Rocha, Fernando Macedo Bastos, Kátia Daniela da Silveira, Alamanda K Pereira, Eduardo Araújo Oliveira, Débora Marques de Miranda, Ana Cristina Simões E Silva
BACKGROUND: The aim of this cross-sectional study was to investigate inflammatory biomarkers in urine samples of 24 fetuses with posterior urethral valve (PUV) collected at 22 ± 4 weeks of gestation and to compare the findings with measurements in urine samples of 22 male healthy preterm neonates at 23 ± 4 weeks (control group). METHODS: Inflammatory biomarkers in urine were measured using a cytometric bead array [interleukin (IL)-2, IL-4, IL-6, IL-10, interferon (IFN)-γ, soluable tumor necrosis factor receptor (TNFR) 1, sTNFR2, monocyte chemoattractant protein-1/chemokine ligand 2 (MCP-1/CCL2), eotaxin/CCL11 and interferon gamma-induced protein/10/C-X-C motif chemokine 10 (IP-10/CXCL10)] and ELISA assays [TNF, IL-8/CXCL8 and transforming growth factor-beta (TGF-β)]...
February 22, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28210838/urinary-ngal-deficiency-in-recurrent-urinary-tract-infections
#3
Catherine S Forster, Kathryn Johnson, Viral Patel, Rebecca Wax, Nancy Rodig, Jonathan Barasch, Richard Bachur, Richard S Lee
INTRODUCTION: Children with recurrent urinary tract infections (rUTI) often show no identifiable cause of their infections. Neutrophil gelatinase-associated lipocalin (NGAL) is known to be upregulated within the uroepithelium and kidney of patients with UTI and exhibits a localized bacteriostatic effect through iron chelation. We hypothesize that some patients with rUTI without an identifiable cause of their recurrent infections have locally deficient NGAL production. We therefore explored whether a lack of NGAL production may be a factor in the pathogenesis of rUTI...
February 16, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28159527/cystometrogram-appearance-in-puv-is-reliably-quantified-by-the-shape-wall-reflux-and-diverticuli-swrd-score-and-presages-the-need-for-intervention
#4
A Niyogi, K Lumpkins, A Robb, L McCarthy
OBJECTIVE: Radiological bladder abnormalities in boys with posterior urethral valves (PUV) are well recognised; however, the assessment is subjective. The shape, wall, reflux and diverticuli (SWRD) score objectively assesses shape, wall, reflux and diverticuli in a simple way. This study was undertaken to demonstrate that the SWRD score is reliable, reproducible and correlates with bladder outcome and videourodynamic (VUD) assessment in boys with PUV. MATERIALS AND METHODS: Three blinded assessors determined the SWRD scores of PUV bladders from cystometrograms taken during VUD from September 2012 to October 2013...
January 12, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28112049/kidney-disease-in-hepatitis-b-surface-antigen-positive-children-experience-from-a-centre-in-south-west-nigeria-and-a-review-of-the-nigerian-literature
#5
Adanze O Asinobi, Adebowale D Ademola, Clement A Okolo, Adedayo A Adepoju, Susan M Samuel, Wendy E Hoy
BACKGROUND: Kidney disease is an important extra-hepatic manifestation of hepatitis B virus (HBV) infection. However, there is paucity of recent literature on kidney disease in children and adolescents with HBV infection from several parts of sub-Saharan Africa including Nigeria. OBJECTIVE: To review the pattern of kidney disease in hepatitis B surface antigen (HBsAg)-positive children and adolescents seen at a tertiary hospital in south-west Nigeria. METHODS: A retrospective study was undertaken of HBsAg-seropositive children with kidney disease managed at University College Hospital, Ibadan, from January 2004 to December 2015...
January 23, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28031548/outcome-of-antenatally-presenting-posterior-urethral-valves-puv-in-children
#6
T P Joseph, V K Gopi, P R Babu, K V Satish Kumar
OBJECTIVE: To analyse the outcome of children with posterior urethral valves who presented with antenatal hydronephrosis. METHODS: A 10-year retrospective review of records of 70 children with posterior, urethral volves. RESULTS: The mean (SD) gestational age at diagnosis was 34 (4.48) weeks and age at intervention was 130.5 (170.9) days. The nadir creatinine was significantly raised (>1.2mg/dl) in children with oligohydramnios and diversion...
December 5, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/28009141/operative-cystoscopy-in-the-neonatal-period
#7
Salvatore Arena, Tiziana Russo, Patrizia Perrone, Carmelo Romeo
Aim of the study is to report the experience in the last three years about endourological treatment of newborns affected by genito- and urinary malformation, implying critical urinary tract dilatation and bladder mass requiring a neonatal operative management. Seven - four males and three female - patients were treated cystoscopically during the neonatal period. Three newborns with a posterior urethral valves (PUV), underwent a successful ablation of PUV. In a male with infected persistent large mullerian duct and subsequent acute urinary retention, a cystoscopically-assisted catheterization was performed...
December 20, 2016: La Pediatria Medica e Chirurgica: Medical and Surgical Pediatrics
https://www.readbyqxmd.com/read/27915476/translational-research-for-pediatric-lower-urinary-tract-dysfunction
#8
REVIEW
Akihiro Kanematsu
This review provides a comprehensive view of translational research aimed at elucidating the pathophysiology of pediatric lower urinary tract dysfunction (LUTD). A web search was conducted according to combinations of keywords, and the significance of each article was defined by the author. The dramatic evolution of the mass analysis method of genomes, transcripts, and proteins has enabled a comprehensive analysis of molecular events underlying diseases, and these methodologies have also been applied to pediatric LUTD...
November 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/27889224/fetal-megacystis-a-systematic-review
#9
REVIEW
K Taghavi, C Sharpe, M D Stringer
: Fetal megacystis is variably defined and understood. The literature on fetal megacystis was systematically reviewed, focusing on prenatal diagnosis, associations and outcomes. This yielded a total of 18 primary references and eight secondary references. Fetal megacystis has an estimated first-trimester prevalence of between 1:330 and 1:1670, with a male to female ratio of 8:1. In the first trimester, megacystis is most commonly defined as a longitudinal bladder dimension of ≥7 mm...
February 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27864598/impact-of-fetal-counseling-on-outcome-of-antenatal-congenital-surgical-anomalies
#10
Shilpa Sharma, Ranjana Bhanot, Dipika Deka, Minu Bajpai, Devendra K Gupta
AIM: To analyze the impact of counseling on antenatal congenital surgical anomalies (ACSA). METHODS: Cases presenting with ACSA for fetal counseling and those presenting in post-natal period following diagnosis of ACSA (PACSA) for surgical opinion were analyzed for spectrum, presentation and outcome. RESULTS: 117 cases including ACSA(68);PACSA(49) were analyzed. Gestational age at diagnosis of ACSA;PACSA was 17-37;17-39 weeks (median 24;32 weeks)...
November 18, 2016: Pediatric Surgery International
https://www.readbyqxmd.com/read/27843222/prolapsing-cystitis-cystica-causing-bladder-outlet-obstruction-an-unusual-complication
#11
Pankaj Halder, Kartik Chandra Mandal, Sumedha Mukherjee
Cystitis cystica (CC) is aproliferative disorder of bladder urothelium and usually subsides with medical therapy. However, this is not true for severe CC where surgical intervention is required to control breakthrough urinary tract infection (UTI). It may be mistaken as bladder neoplasm or posterior urethral valve, especially in children. Here, we report a case of CC in a 2-year-old boy where we had to excise the large pedunculated intravesical lesion to control breakthrough UTI and ongoing renal damage.
October 2016: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/27791437/urinary-biomarkers-for-renal-tract-malformations
#12
Pedro Magalhães, Joost P Schanstra, Emma Carrick, Harald Mischak, Petra Zürbig
Renal tract malformations (RTMs) are congenital anomalies of the kidneys and urinary tract, which are the major cause of end-stage renal disease in children. Using immunoassay-based approaches (ELISA, western blot), individual urinary proteins including transforming growth factor β, tumor necrosis factor and monocyte attractant proteins 1 were found to be associated to RTMs. However, only mass spectrometry (MS) based methods leading to the identification of panels of protein-based markers composed of fragments of the extracellular matrix allowed the prediction of progression of RTMs and its complications...
November 15, 2016: Expert Review of Proteomics
https://www.readbyqxmd.com/read/27781020/stem-cells-in-functional-bladder-engineering
#13
REVIEW
Jakub Smolar, Souzan Salemi, Maya Horst, Tullio Sulser, Daniel Eberli
Conditions impairing bladder function in children and adults, such as myelomeningocele, posterior urethral valves, bladder exstrophy or spinal cord injury, often need urinary diversion or augmentation cystoplasty as when untreated they may cause severe bladder dysfunction and kidney failure. Currently, the gold standard therapy of end-stage bladder disease refractory to conservative management is enterocystoplasty, a surgical enlargement of the bladder with intestinal tissue. Despite providing functional improvement, enterocystoplasty is associated with significant long-term complications, such as recurrent urinary tract infections, metabolic abnormalities, stone formation, and malignancies...
September 2016: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/27737866/pathogenic-sarcina-in-urine
#14
Karthik Bommannan, Balan Louis Gaspar, Man Updesh Singh Sachdeva
Sarcina is a Gram-positive anaerobic coccus that has been consistently reported in the upper gastrointestinal tract biopsies of patients with evidence of gastric stasis. The pathogenic role of Sarcina in humans is not entirely known. We describe an infant who was surgically treated for posterior urethral valve and the urine showed pathogenic Sarcina.
October 13, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27733241/chronic-kidney-disease-in-the-neonate-etiologies-management-and%C3%A2-outcomes
#15
REVIEW
Jason Misurac
Neonatal chronic kidney disease (CKD) occurs with an estimated incidence of 1 in 10,000 live births, whereas the incidence of neonatal end-stage renal disease (ESRD) is about 7.1 per million age-related population. The most frequent etiologies are renal hypoplasia/dysplasia, posterior urethral valves, and other congenital anomalies of the kidney and urinary tract. Other etiologies include polycystic kidney disease, cortical necrosis, and renal vascular thrombosis. Management of CKD focuses primarily on replacing renal functions such as erythropoietin, 1,25-hydroxylation of vitamin D, electrolyte homeostasis/excretion, and, in ESRD, waste product removal...
October 9, 2016: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27720773/long-term-impacts-of-concurrent-posterior-urethral-valve-ablation-and-bladder-neck-incision-on-urinary-continence-and-ejaculation
#16
Sorena Keihani, Abdol-Mohammad Kajbafzadeh, Seyedeh Maryam Kameli, Reza Abbasioun
OBJECTIVE: To assess the long-term impacts of bladder neck incision (BNI) on continence and ejaculatory function of adults who underwent concurrent posterior urethral valve (PUV) ablation and BNI during childhood. MATERIALS AND METHODS: A retrospective chart review was performed to find all adult patients with relevant history. All patients had undergone BNI at 6 o'clock proximal to the verumontanum with caution to leave the adventitia and verumontanum untouched...
January 2017: Urology
https://www.readbyqxmd.com/read/27684547/parents-perceptions-of-counselling-following-prenatal-diagnosis-of-congenital-anomalies-of-the-kidney-and-urinary-tract-a-qualitative-study
#17
Sarah Marokakis, Nadine A Kasparian, Sean E Kennedy
OBJECTIVES: To explore parents' experiences of counselling after prenatal diagnosis of congenital anomalies of the kidney and urinary tract. SUBJECTS AND METHODS: Parents of a child born between September 2012 and March 2015 with posterior urethral valves (PUV) or multicystic dysplastic kidney (MCDK) completed a semi-structured telephone interview, demographic survey, and the 21-item self-report Depression, Anxiety and Stress Scales questionnaire. Qualitative data were analysed thematically using NVivo10 software...
September 29, 2016: BJU International
https://www.readbyqxmd.com/read/27622420/lower-urinary-tract-obstruction-in-male-children-a-report-of-three-cases
#18
Donboklang Lynser, Evarisalin Marbaniang, Pynskhemboklang Khongsni
Urinary retention in young children and infancy is relatively rare. The commonest malignancy cause of bladder outlet obstruction in infancy is prostatic rhabdomyosarcoma; the commonest cause of congenital bladder outlet obstruction in a male infantis posterior urethral valve and the commonest cause of urethral obstruction in male children is urethral calculi. We present here a report on three cases of urethral obstruction in male children.
September 2016: Medical Ultrasonography
https://www.readbyqxmd.com/read/27614119/urological-findings-in-beckwith-wiedemann-syndrome-with-chromosomal-duplications-of-11p15-5-evaluation-and-management
#19
Carmen C Tong, Kelly A Duffy, David I Chu, Dana A Weiss, Arun K Srinivasan, Douglas A Canning, Jennifer M Kalish
Beckwith-Wiedemann Syndrome (BWS) is an overgrowth disorder with various congenital anomalies. Although the most classic constellation includes macrosomia, macroglossia, and omphalocele, nephrourological findings are commonly associated with BWS. Clinical presentation is highly variable because of its complex molecular heterogeneity, which involves changes in DNA methylation and disruption of growth regulatory genes. We report 3 pediatric patients, ages 13 months to 3 years old, who presented with clinical features consistent with BWS...
February 2017: Urology
https://www.readbyqxmd.com/read/27597917/a-case-of-congenital-malignant-spinal-cord-glioma-as-a-cause-of-congenital-ascites-in-a-neonate
#20
Bianca Karber, Lenore Omesi, Sunny Chang, Andrew Handel, Monica Hegedus, Echezona Maduekwe
Congenital ascites is rare, but when it occurs, urinary ascites secondary to posterior urethral valve obstruction is the most common, and tumors are the least. Among the tumors in the pediatric population, the central nervous system tumors are common, but spinal cord tumors are rare. We describe a very rare case of congenital malignant spinal cord glioma presenting as isolated congenital ascites secondary to neurogenic bladder. A female infant was diagnosed sonographically with isolated congenital ascites at 40 weeks' gestational age, with uneventful development prior to 40 weeks' gestational age...
2016: Case Reports in Pediatrics
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