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Renal function children

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https://www.readbyqxmd.com/read/28339567/role-of-biomechanical-forces-in-hyperfiltration-mediated-glomerular-injury-in-congenital-anomalies-of-the-kidney-and-urinary-tract
#1
Tarak Srivastava, Ganesh Thiagarajan, Uri S Alon, Ram Sharma, Ashraf El-Meanawy, Ellen T McCarthy, Virginia J Savin, Mukut Sharma
Congenital anomalies of the kidney and urinary tract (CAKUT) including solitary kidney constitute the main cause of progressive chronic kidney disease (CKD) in children. Children born with CAKUT develop signs of CKD only during adolescence and do not respond to renin-angiotensin-aldosterone system blockers. Early cellular changes underlying CKD progression to end-stage renal disease by early adulthood are not well understood. The mechanism of maladaptive hyperfiltration that occurs from loss of functional nephrons, including solitary kidney, is not clear...
January 17, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28336816/glomerular-density-and-volume-in-renal-biopsy-specimens-of-children-with-proteinuria-relative-to-preterm-birth-and-gestational-age
#2
Kentaro Koike, Yohei Ikezumi, Nobuo Tsuboi, Go Kanzaki, Kotaro Haruhara, Yusuke Okabayashi, Takaya Sasaki, Makoto Ogura, Akihiko Saitoh, Takashi Yokoo
BACKGROUND AND OBJECTIVES: A low total nephron number, which is associated with low birth weight (LBW), may indicate increased susceptibility to early-onset renal diseases in children. However, few studies have assessed renal biopsy findings in LBW children. We examined the relationship between LBW and glomerular density (GD) and/or glomerular volume (GV) in renal biopsy samples as a surrogate for total nephron number. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Renal biopsy findings of children of LBW were compared with those of age-matched control subjects of normal birth weight (NBW) who were histopathologically diagnosed with FSGS or minimal change nephrotic syndrome (MCNS) from 1995 to 2011...
March 23, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28319023/isolated-bilateral-simplex-ureteric-ectopia-bladder-capacity-as-an-indicator-of-continence-outcome
#3
Vasilis Stavrinides, Paul Charlesworth, Dan Wood, Divyesh Desai, Abraham Cherian, Imran Mushtaq, Peter Cuckow, Naima Smeulders
INTRODUCTION: Isolated bilateral simplex ectopic ureters (BSEUs) are rare but pose a therapeutic challenge: ureteric reimplantation alone does not accomplish continence in all. Identifying the patients needing additional procedures for continence early could prevent multiple operations. OBJECTIVE: Potential preoperative indicators for postoperative continence are explored in eight BSEU girls without cloacal, anorectal, or spinal anomalies. STUDY DESIGN: With institutional approval, all patients with BSEU between 1985 and 2012 were retrospectively reviewed...
March 6, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28306195/influence-of-caudal-block-on-postoperative-oliguria-in-infants-undergoing-bilateral-ureteroneocystostomy-a-retrospective-analysis
#4
Hyun Jeong Lee, Yong Seon Choi, Bon-Nyeo Koo, Sang Won Han, Young Eun Cho, Young Jae Im, Jae Hoon Lee
BACKGROUND: Caudal block has been widely used in children undergoing genitourinary surgery. However, the influence of caudal block on postoperative oliguria is unclear. AIM: The aim of this study was to assess the effect of caudal block on urinary flow through the reimplanted ureter after ureteroneocystostomy and the incidence of postoperative oliguria in infants. METHODS: This retrospective study analyzed the medical records of 121 infants aged less than 12 months who underwent bilateral ureteroneocystostomy for vesicoureteral reflux at a tertiary medical center...
March 17, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28296163/long-term-safety-and-efficacy-of-deferasirox-in-young-pediatric-patients-with-transfusional-hemosiderosis-results-from-a-5-year-observational-study-entrust
#5
Elliott Vichinsky, Amal El-Beshlawy, Azzam Al Zoebie, Annie Kamdem, Suzanne Koussa, Thirachit Chotsampancharoen, Andreas Bruederle, Geralyn Gilotti, Jackie Han, Mohsen Elalfy
BACKGROUND: Children with red blood cell disorders may receive regular transfusions from an early age and consequently accumulate iron. Adequate iron chelation therapy can prevent organ damage and delayed growth/development. Deferasirox is indicated for treatment of pediatric patients with chronic iron overload due to transfusional hemosiderosis; however, fewer than 10% of patients in the registration studies were aged 2 to less than 6 years. PROCEDURE: Deferasirox, a once-daily oral iron chelator, was evaluated in young pediatric patients with transfusional hemosiderosis during the observational 5-year ENTRUST study...
March 10, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28293402/treosulfan-based-conditioning-regimen-in-sibling-and-alternative-donor-hematopoietic-stem-cell-transplantation-for-children-with-sickle-cell-disease
#6
Antonio Marzollo, Elisabetta Calore, Manuela Tumino, Marta Pillon, Maria Vittoria Gazzola, Roberta Destro, Raffaella Colombatti, Piero Marson, Tiziana Tison, Anna Colpo, Chiara Mainardi, Maria Gabelli, Maria Paola Boaro, Sara Rossin, Aurora Strano, Nadia Quaglia, Federica Menzato, Giuseppe Basso, Laura Sainati, Chiara Messina
BACKGROUND AND OBJECTIVES: Lack of suitable donors and regimen related toxicity are major barriers for hematopoietic stem cell transplantation (HSCT) in patients with sickle cell disease (SCD). The aim of the study is the assessment of efficacy and toxicity of Treosulfan-based conditioning regimen for SCD also when alternative donors such as mismatched unrelated donor and haploidentical donor are employed. METHODS: We report our single-center experience: 11 patients with SCD received HSCT with a Treosulfan/Thiotepa/Fludarabine/Anti-thymoglobulin conditioning regimen between 2010 and 2015...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28290633/proteinuria-in-children-evaluation-and-differential-diagnosis
#7
Alexander K C Leung, Alex H C Wong, Stefani S N Barg
Although proteinuria is usually benign in the form of transient or orthostatic proteinuria, persistent proteinuria may be associated with more serious renal diseases. Proteinuria may be an independent risk factor for the progression of chronic kidney disease in children. Mechanisms of proteinuria can be categorized as glomerular, tubular, secretory, or overflow. A history, a physical examination, and laboratory tests help determine the cause. Transient (functional) proteinuria is temporary. It can occur with fever, exercise, stress, or cold exposure, and it resolves when the inciting factor is removed...
February 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/28284562/the-vkorc1-and-cyp2c9-genotypes-significantly-effect-vitamin-k-antagonist-dosing-only-in-patients-over-the-age-of-20years
#8
U Nowak-Göttl, K Dietrich, A Kruempel, C Geisen, L G Mitchell
INTRODUCTION: Given the qualitative differences in the role of VKORC1 and CYP2C9 polymorphisms in Vitamin K antagonists (VKA) dosing variation between adults and children, we were interested in determining at what age these polymorphism begin to play a more significant role. METHODS: A prospective cohort study of 190 patients aged 1-86years receiving VKA for treatment of venous thromboembolism. Blood samples were collected beyond the acute thrombotic event when patients were on stable targeted INR (2-3) for plasma testing and VKORC1/CYP2C9 genotyping...
December 30, 2016: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28283728/survey-of-gadolinium-based-contrast-agent-utilization-among-the-members-of-the-society-for-pediatric-radiology-a-quality-and-safety-committee-report
#9
Einat Blumfield, Michael M Moore, Mary K Drake, Thomas R Goodman, Kristopher N Lewis, Laura T Meyer, Thang D Ngo, Christina Sammet, Arta Luana Stanescu, David W Swenson, Thomas L Slovis, Ramesh S Iyer
BACKGROUND: Gadolinium-based contrast agents (GBCAs) have been used for magnetic resonance (MR) imaging over the last three decades. Recent reports demonstrated gadolinium retention in patients' brains following intravenous administration. Since gadolinium is a highly toxic heavy metal, there is a potential for adverse effects from prolonged retention or deposition, particularly in children. For this reason, the Society (SPR) for Pediatric Radiology Quality and Safety committee conducted a survey to evaluate the current status of GBCAs usage among pediatric radiologists...
March 10, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28276300/value-of-renal-biopsy-in-diagnosing-infantile-nephropathic-cystinosis-associated-with-secondary-nephrogenic-diabetes-insipidus
#10
Emily Joyce, Jacqueline Ho, Areeg El-Gharbawy, Cláudia M Salgado, Sarangarajan Ranganathan, Miguel Reyes-Múgica
Cystinosis is the most common cause of inherited renal Fanconi syndrome in young children, and typically presents with laboratory findings of a proximal tubulopathy and corneal crystals by one year of age. We describe here renal biopsy findings in a 20-month-old patient with an atypical presentation of distal renal tubular acidosis, diabetes insipidus, and the absence of corneal crystals. Although renal biopsy is usually not necessary to establish the diagnosis of cystinosis, when the patient presents with atypical signs and symptoms, a renal biopsy may be extremely valuable...
January 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28275864/longitudinal-assessment-of-myocardial-function-in-childhood-chronic-kidney-disease-during-dialysis-and-following-kidney-transplantation
#11
Rawan K Rumman, Ronand Ramroop, Rahul Chanchlani, Mikaeel Ghany, Diane Hebert, Elizabeth A Harvey, Rulan S Parekh, Luc Mertens, Michael Grattan
BACKGROUND: Childhood chronic kidney disease (CKD) and dialysis are associated with increased long-term cardiovascular risk. We examined subclinical alterations in myocardial mechanics longitudinally in children with CKD, during dialysis, and following renal transplantation. METHODS: Forty-eight children with CKD (stage III or higher) who received kidney transplants from 2008 to 2014 were included in a retrospective study and compared to 192 age- and sex-matched healthy children...
March 8, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28265323/bladder-and-bowel-dysfunction-in-children-an-update-on-the-diagnosis-and-treatment-of-a-common-but-underdiagnosed-pediatric-problem
#12
REVIEW
Joana Dos Santos, Roberto I Lopes, Martin A Koyle
Bladder and bowel dysfunction (BBD) describes a spectrum of lower urinary symptoms (LUTS) accompanied by fecal elimination issues that manifest primarily by constipation and/or encopresis. This increasingly common entity is a potential cause of significant physical and psychosocial burden for children and families. BBD is commonly associated with vesicoureteral reflux (VUR) and recurrent urinary tract infections (UTIs), which at its extreme may lead to renal scarring and kidney failure. Additionally, BBD is frequently seen in children diagnosed with behavioural and neuropsychiatric disorders such as attention-deficit/hyperactivity disorder (ADHD) and autism spectrum disorder (ASD)...
January 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28262853/effect-of-low-dose-lead-pb-administration-on-tail-immersion-test-and-formalin-induced-pain-in-wistar-rats-possible-modulatory-role-of-cobalt-ii-chloride
#13
A H Umar, I Suleiman, H Muhammed
Lead (Pb) is cheap and there is a long tradition of its use, but its toxic effects have also been recognized. There is increased public health concern regarding the hazards of low dose Pb exposure to adults and children. Studies have shown the risks for hypertension, decrements in renal function, subtle decline in cognitive function, and adverse reproductive outcome at low blood Pb level. In this study, the possible modulatory role of cobalt (II) chloride (CoCl2) on low level Pb exposure on tail immersion test and formalin induced pain was investigated...
March 6, 2017: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
https://www.readbyqxmd.com/read/28260445/renal-impairment-and-complication-after-kidney-transplant-at-queen-rania-abdulla-children-s-hospital
#14
Reham Issa Almardini, Ghazi Mohamad Salita, Mahdi Qasem Farah, Issa Ahmad Katatbeh, Katibh Al-Rabadi
OBJECTIVES: Kidney transplant is the treatment of choice for end-stage renal disease, but it is not without complications. We review the medical cause of significant renal impairment and complications that developed after kidney transplant in pediatric patients who required hospital admission and intervention and/or who were followed between 2007 and 2016. MATERIALS AND METHODS: A retrospective noninterventional chart review study was conducted in pediatric patients who received a kidney transplant and/or followed at the nephrology clinic at Queen Rania Abdulla Children's Hospital between 2007 and 2016...
February 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28259596/berlin-heart-excor-use-in-patients-with-congenital-heart-disease
#15
David L S Morales, Farhan Zafar, Christopher S Almond, Charles Canter, Francis Fynn-Thompson, Jennifer Conway, Iki Adachi, Angela Lorts
BACKGROUND: Management of mechanical circulatory support in children with congenital heart disease (CHD) is challenging due to physiologic variations and anatomic limitations to device placement. In this study we examine the use of Berlin Heart EXCOR in CHD patients. METHODS: CHD patients were identified from the EXCOR Pediatric Study data set (2007 to 2010). Mortality and serious adverse events were compared between CHD and non-CHD cohorts, and predictors of poor outcomes in the CHD cohort were identified...
February 8, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28257282/wt1-mutation-associated-nephropathy-a%C3%A2-single-center-experience%C3%A2
#16
Zhihui Yue, Haiyan Wang, Hongrong Lin, Juan Yang, Ting Liu, Yulin Liu, Huamu Chen, Liangzhong Sun
This study explored Wilms' tumor 1 (WT1) mutations in children with, or suspected of having, steroid-resistant nephrotic syndrome (SRNS), referred to or treated in our hospital in the past 6 years as well as the correlation between genotype and phenotype in WT1 mutation-associated nephropathy in Chinese patients. In total, 76 patients participated in the study. WT1 mutations were identified in 15 patients, 5 of whom harbored splice-site mutations in intron 9. Four of these 5 patients exhibited early onset of nephropathy and rapid deterioration of renal function...
March 3, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28255306/implications-of-antiphospholipid-and-antineutrophilic-cytoplasmic-antibodies-in-the-context-of-postinfectious-glomerulonephritis
#17
Daniel Leifer, Lavjay Butani
While antineutrophil cytoplasmic antibody (ANCA) positivity has been documented in some patients with postinfectious glomerulonephritis (PIGN) and is associated with more severe disease, antiphospholipid antibodies (APA) are not known to be a common occurrence. We describe a child with severe acute kidney injury who was noted to have prolonged positivity of both ANCA and APA; a renal biopsy showed noncrescentic immune complex mediated glomerulonephritis with subepithelial deposits compatible with PIGN. He recovered without maintenance immunosuppressive therapy and at last follow-up had normal renal function...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28244636/ascitic-fluid-drainage-using-a-peritoneal-dialysis-catheter-to-prevent-and-treat-multi-organ-dysfunction-in-veno-occlusive-disease-in-children-undergoing-hematopoietic-stem-cell-transplantation
#18
Vijal Parmar, Malcolm Lewis, Mohan Shenoy, Denise Bonney, Robert Wynn
Veno-occlusive disease (VOD), or sinusoidal obstruction syndrome, is a well-recognised, serious complication associated with the chemotherapy conditioning therapy used in hematopoietic stem cell transplantation (HSCT). Fluid management is typically challenging in children with this condition. We describe effective early use of peritoneal dialysis catheters to drain extravascular, intra-abdominal fluid in children with VOD, allowing intravascular fluid administration to preserve renal perfusion and function, preventing multi-organ dysfunction...
February 28, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28221155/super-mini-pcnl-smp-material-indications-technique-advantages-and-results
#19
Zhijian Zhao, Aierken Tuerxu, Yongda Liu, Wenqi Wu, Abulizi Simayi, Wen Zhong, Wenzhong Chen, Abudukahaer Batuer, Guohua Zeng
OBJECTIVE: To introduce an emerging technique termed 'super-mini- percutaneous nephrolithotomy' (SMP) and describe its application in practice. METHODS: We described the technique of SMP in the treatment of renal stones with emphasis on the material, indications, technique procedure, advantages, and results. RESULTS: SMP refers to a 7 Ch. nephroscope placed through a 10-14 Ch. metal access sheath with functions of both irrigation and suction-evacuation, to achieve stone fragmentation via laser or pneumatic lithotripsy...
January 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28215830/initial-urological-evaluation-and-management-of-children-with-neurogenic-bladder-due-to-myelomeningocele
#20
Cristian Sager, Carol Burek, Juan Pablo Corbetta, Santiago Weller, Javier Ruiz, Ramiro Perea, Enrique Lago, Yesica Gomez, Victor Durán, Juan Carlos López
INTRODUCTION: The proactive management of children with myelomeningocele (MMC) has contributed to decreasing their progression to end-stage renal disease, thanks to early urological evaluation and timing implementation of treatments. OBJECTIVE: To demonstrate that early urological evaluation of the urinary tract in MMC shows functional alterations in most cases, and that it requires medical intervention, even when in some cases the complementary imaging studies do not show any abnormalities...
January 30, 2017: Journal of Pediatric Urology
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