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Pediatric renal function

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https://www.readbyqxmd.com/read/28630020/transumbilical-multi-port-laparoscopic-pyeloplasty-versus-transumbilical-single-site-laparoscopic-pyeloplasty-for-ureteropelvic-junction-obstruction-in-children-a-retrospectively-comparative-study
#1
Dehong Liu, Huixia Zhou, Lifei Ma, Huawei Xie, Tian Tao, Hualin Cao, Xiaoguang Zhou, Xiaolong Luo, Shaojun Chen
INTRODUCTION: Laparoscopic pyeloplasty has achieved good cosmetic and functional outcomes. Both transumbilical single-site and transumbilical multi-port approaches are currently being used. No comparison of transumbilical single-site laparoscopic pyeloplasty (TSLP) and transumbilical multi-port laparoscopic pyeloplasty (TMLP) has been reported in the literature. OBJECTIVES: We present a retrospective comparison study to evaluate clinical outcomes of TSLP and TMLP for children with ureteropelvic junction obstruction (UPJO)...
June 3, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28603880/a-convex-hull-based-new-metric-for-quantification-of-bladder-wall-irregularity-in-pediatric-patients-with-congenital-anomalies-of-the-kidney-and-urinary-tract
#2
Joseph N Stember, Jeffrey Newhouse, Gerald Behr, Shumyle Alam
OBJECTIVES: Early identification and quantification of bladder damage in pediatric patients with congenital anomalies of the kidney and urinary tract (CAKUT) is crucial to guiding effective treatment and may affect the eventual clinical outcome, including progression of renal disease. We have developed a novel approach based on the convex hull to calculate bladder wall trabecularity in pediatric patients with CAKUT. The objective of this study was to test whether our approach can accurately predict bladder wall irregularity...
June 12, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28590826/minimally-invasive-treatment-of-pediatric-extrinsic-ureteropelvic-junction-obstruction-by-crossing-polar-vessels-is-vascular-hitching-a-definitive-solution-report-of-a-multicenter-survey
#3
Salvatore Fabio Chiarenza, Cosimo Bleve, Paolo Caione, Maria Escolino, Simona Gerocarni Nappo, Rosa Perretta, Angela La Manna, Ciro Esposito
BACKGROUND: This article aimed to evaluate the outcome of laparoscopic vascular hitch (VH) as an effective alternative to dismembered pyeloplasty in the treatment of children with extrinsic ureteropelvic junction obstruction (UPJO) by crossing vessels (CVs), by reporting the experience of three Italian centers of Pediatric Surgery. METHODS: From 2006 to 2014, 54 children (18 girls and 36 boys, average age 10.7 years) affected by suspected extrinsic UPJO by CV were treated in three different institutions: 51 patients underwent laparoscopic VH, while 3 patients, in which a coexisting intrinsic etiology of UPJO was doubtful, underwent laparoscopic dismembered pyeloplasty...
June 7, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28583570/clinical-outcomes-in-pediatric-renal-transplant-recipients-who-received-steroid-based-immunosuppressive-regimen
#4
S Chantarogh, K Tangnararatchakit, W Tirapanich, W Viseshsindh, P Saisawat, K Pirojsakul
BACKGROUND: Although the clinical outcomes of pediatric renal transplantation (RT) in developed countries have improved significantly, the data on clinical outcomes in developing countries are wildly different. METHODS: Children and adolescents who had undergone RT at Ramathibodi Hospital between March 2001 and August 2014 were included. RESULTS: Patients were divided into 2 groups: living related donor (LRD) group (n = 13) and deceased donor (DD) group (n = 30)...
June 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28573537/derivation-of-new-equations-to-estimate-glomerular-filtration-rate-in-pediatric-oncology-patients
#5
Vanessa E Millisor, Jessica K Roberts, Yilun Sun, Li Tang, Vinay M Daryani, David Gregornik, Shane J Cross, Deborah Ward, Jennifer L Pauley, Alejandro Molinelli, Rachel C Brennan, Clinton F Stewart
BACKGROUND AND OBJECTIVE: Monitoring renal function is critical in treating pediatric patients, especially when dosing nephrotoxic agents. We evaluated the validity of the bedside Schwartz and Brandt equations in pediatric oncology patients and developed new equations for estimated glomerular filtration rate (eGFR) in these patients. METHODS: A retrospective analysis was conducted comparing eGFR using the bedside Schwartz and Brandt equations to measured GFR (mGFR) from technetium-99m diethylenetriamine pentaacetic acid ((99m)Tc-DTPA) between January 2007 and August 2013...
June 2, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28570715/exhaled-volatile-substances-mirror-clinical-conditions-in-pediatric-chronic-kidney-disease
#6
Juliane Obermeier, Phillip Trefz, Josephine Happ, Jochen K Schubert, Hagen Staude, Dagmar-Christiane Fischer, Wolfram Miekisch
Monitoring metabolic adaptation to chronic kidney disease (CKD) early in the time course of the disease is challenging. As a non-invasive technique, analysis of exhaled breath profiles is especially attractive in children. Up to now, no reports on breath profiles in this patient cohort are available. 116 pediatric subjects suffering from mild-to-moderate CKD (n = 48) or having a functional renal transplant KTx (n = 8) and healthy controls (n = 60) matched for age and sex were investigated. Non-invasive quantitative analysis of exhaled breath profiles by means of a highly sensitive online mass spectrometric technique (PTR-ToF) was used...
2017: PloS One
https://www.readbyqxmd.com/read/28558814/approach-to-growth-hormone-therapy-in-children-with-chronic-kidney-disease-varies-across-north-america-the-midwest-pediatric-nephrology-consortium-report
#7
Oleh M Akchurin, Amy J Kogon, Juhi Kumar, Christine B Sethna, Hoda T Hammad, Paul J Christos, John D Mahan, Larry A Greenbaum, Robert Woroniecki
BACKGROUND: Growth impairment remains common in children with chronic kidney disease (CKD). Available literature indicates low level of recombinant human growth hormone (rhGH) utilization in short children with CKD. Despite efforts at consensus guidelines, lack of high-level evidence continues to complicate rhGH therapy decision-making and the level of practice variability in rhGH treatment by pediatric nephrologists is unknown. METHODS: Cross-sectional online survey electronically distributed to pediatric nephrologists through the Midwest Pediatric Nephrology Consortium and American Society of Pediatric Nephrology...
May 30, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28550606/renal-injury-in-pediatric-anorexia-nervosa-a-retrospective-study
#8
Chantal Stheneur, Sebastien J Bergeron, Jean-Yves Frappier, Olivier Jamoulle, Danielle Taddeo, Marc Sznajder, Anne-Laure Lapeyraque
PURPOSE: Although primarily a mental health disorder, anorexia nervosa (AN) has many physical consequences. Among them, the consequences on kidney function are often underestimated. We evaluated renal function in adolescent AN inpatients and investigated the correlation between the GFR and intrinsic patient characteristics. METHODS: A single-center retrospective study was conducted on 51 patients hospitalized for the restrictive type of AN in 2013. Data were divided into: (1) medical history of AN; (2) growth parameters and vital signs upon admission; and (3) blood tests...
May 26, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28546304/comparison-of-methods-of-estimating-creatinine-clearance-in-pediatric-patients
#9
Danielle Padgett, Andrew Ostrenga, Lindsey Lepard
PURPOSE: A retrospective study was conducted to compare various methods of measuring serum creatinine (SCr) values for use in pediatric renal function assessments, including a method aligned with a recently implemented national SCr testing standard. METHODS: Demographic, medication-use, and selected laboratory data were collected from the hospital records of a sample of pediatric patients (n = 91) who underwent 12- or 24-hour timed urine collection for determination of creatinine clearance (CLcr) over a 2-year period...
June 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28540883/the-relationship-between-serum-homocysteine-and-highly-sensitive-c-reactive-protein-levels-in-children-on-regular-hemodialysis
#10
Manal Abdel-Salam, Soheir Ibrahim, Shaimaa Abdelmalik Pessar, Eman Al-Morsy
Hyperhomocysteinemia has attracted a lot of attention in renal patients, not only because of its close relationship with renal function but also because it has been implicated as an independent cardiovascular risk factor in these patients. An increased level of C-reactive protein (CRP) has been reported to be a strong predictor of cardiovascular mortality in hemodialysis (HD) patients. The aim of this study was to assess the association between homocysteine (Hcy) and highly sensitive CRP (hsCRP) in cardiovascular risk prediction in children with chronic kidney disease (CKD) on HD...
May 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28536123/randomized-controlled-trial-of-mineralocorticoid-receptor-blockade-in-children-with-chronic-kidney-allograft-nephropathy
#11
Mara Medeiros, Luis Velásquez-Jones, Ana M Hernández, Guillermo Ramón-García, Saúl Valverde, Yolanda Fuentes, Arindal Vargas, Mauricio Patiño, Rosalba Pérez-Villalva, Juan Antonio Ortega-Trejo, Jonatan Barrera-Chimal, Norma A Bobadilla
BACKGROUND AND OBJECTIVES: We showed that mineralocorticoid receptor blockade (MRB) prevented acute and chronic cyclosporine nephropathy (CsA-Nx) in the rat. The aim of this translational study was to investigate the effect of long-term eplerenone administration on renal allograft function in children with biopsy-proven chronic allograft nephropathy (CAN). DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Renal transplant children <18 years, biopsy-proven CAN, and a GFR>40 ml/min per 1...
May 23, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28529243/over-expression-of-mir-21-and-lower-pten-levels-in-wilms-tumor-with-aggressive-behavior
#12
Mingyu Cui, Wei Liu, Lijuan Zhang, Feng Guo, Yang Liu, Fang Chen, Ting Liu, Rui Ma, Rongde Wu
Wilms' tumor (WT) is the most common pediatric kidney tumor. MiR-21 is one of the most frequently overexpressed microRNAs in solid tumors, while phosphatase and tensin homolog deleted from chromosome 10 (PTEN) is the most highly mutated tumor suppressor gene. The aim of this study was to investigate the relationship between miR-21 and PTEN in WT. The expression levels of miR-21 and the PTEN protein were determined by qRT-PCR and Western blot analyses in WT specimens, respectively. In WT tissues, the miR-21 expression levels were significantly higher and the PTEN protein levels were significantly lower, compared to the adjacent non-tumorous renal tissues...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28526896/signal-intensity-at-unenhanced-t1-weighted-magnetic-resonance-in-the-globus-pallidus-and-dentate-nucleus-after-serial-administrations-of-a-macrocyclic-gadolinium-based-contrast-agent-in-children
#13
Maria Camilla Rossi Espagnet, Bruno Bernardi, Luca Pasquini, Lorenzo Figà-Talamanca, Paolo Tomà, Antonio Napolitano
BACKGROUND: Few studies have been conducted on the relations between T1-weighted signal intensity changes in the pediatric brain following gadolinium-based contrast agent (GBCA) exposure. OBJECTIVE: The purpose of this study is to investigate the effect of multiple administrations of a macrocyclic GBCA on signal intensity in the globus pallidus and dentate nucleus of the pediatric brain on unenhanced T1-weighted MR images. MATERIALS AND METHODS: This retrospective study included 50 patients, mean age: 8 years (standard deviation: 4...
May 19, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28515693/rolipram-improves-outcome-in-a-rat-model-of-infant-sepsis-induced-cardiorenal-syndrome
#14
Clark R Sims, Sharda P Singh, Shengyu Mu, Neriman Gokden, Dala Zakaria, Trung C Nguyen, Philip R Mayeux
While the mortality rate associated with sepsis in children has fallen over the years, it still remains unacceptably high. The development of both acute cardiac dysfunction and acute kidney injury during severe sepsis is categorized as type 5 cardiorenal syndrome (CRS) and is poorly understood in infants. To address this lack of understanding and the need for an appropriate animal model in which to conduct relevant preclinical studies, we developed a model of infant sepsis-induced CRS in rat pups then evaluated the therapeutic potential of the phosphodiesterase (PDE) 4 inhibitor, rolipram...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28515415/evaluation-of-mycophenolate-mofetil-and-low-dose-steroid-combined-therapy-in-moderately-severe-henoch-sch%C3%A3-nlein-purpura-nephritis
#15
Zhihong Lu, Junfeng Song, Jianhua Mao, Yonghui Xia, Caiyun Wang
BACKGROUND The most appropriate management of Henoch-Schönlein Purpura (HSP) nephritis with nephrotic-range proteinuria remains uncertain. The aim of this study was to evaluate the clinical therapeutic effects of mycophenolate mofetil and low-dose steroid in Henoch-Schönlein purpura nephritis (HSPN) with nephrotic-range proteinuria and pathological classification less than IV in children. MATERIAL AND METHODS The clinical effects of MMF and low-dose steroid therapy were studied in children with Henoch-Schönlein purpura nephritis manifested with nephrotic-range proteinuria, normal kidney function, and <50% crescents or sclerosing lesions on renal biopsy...
May 18, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28496353/early-manifestations-of-renal-disease-in-patients-with-tuberous-sclerosis-complex
#16
Laura Malaga-Dieguez, Robert Spencer, Laura J Pehrson, Suzanne Vento, Kimberly Menzer, Orrin Devinsky, Howard Trachtman
OBJECTIVES: Renal manifestations are the second most significant cause of morbidity and mortality in patients with tuberous sclerosis complex (TSC), and include renal cysts, angiomyolipomas, fat-poor lesions, and malignant tumors. These lesions begin in childhood and often lead to chronic kidney disease (CKD). Little is known on the incidence of early modifiable risk factors of CKD, such as proteinuria and hypertension, or subtle decreases in glomerular filtration rate that correspond to the early stages of CKD in children with TSC...
2017: International Journal of Nephrology and Renovascular Disease
https://www.readbyqxmd.com/read/28495065/the-miniaturized-pediatric-continuous-flow-device-preclinical-assessment-in-the-chronic-sheep-model
#17
Iki Adachi, Sarah Burki, David Horne, Gil G Costas, Taylor Spangler, Robert Jarvik, John Teal, J Timothy Baldwin, Kurt Dasse, M Patricia Massicotte, Jeff Conger, William E Cohn, Charles D Fraser
BACKGROUND: The Infant Jarvik 2015 is an implantable axial-flow ventricular assist device (VAD) that has undergone the major evolutionary design modifications to improve hemocompatibility. This study was conducted in anticipation of data submission to the US Food and Drug Administration to obtain Investigational Device Exemption approval. METHODS: The VAD was implanted via a left thoracotomy in Barbado sheep (n = 10, 26 (19-34] kg). Anticoagulation was maintained with coumadin, with a target international normalized ratio of greater than the individual sheep's baseline values...
July 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28491318/recovery-of-methotrexate-induced-anuric-acute-kidney-injury-after-glucarpidase-therapy
#18
James Harms, Ayaz Khawaja, Maria Taylor, Xiaosi Han, Michal Mrug
OBJECTIVES: This case report describes two cases of high-dose methotrexate-induced nephrotoxicity: death in the case of conventional supportive care and successful renal function recovery in a patient treated with glucarpidase and continuous dialysis. METHODS: High dose methotrexate is widely used for management of adult and pediatric malignancies. However, high-dose methotrexate-induced renal nephrotoxicity may cause severe, even lethal complications. Here we present examples of such outcomes...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28483379/the-incidence-of-pediatric-acute-kidney-injury-is-increased-when-identified-by-a-change-in-a-creatinine-based-electronic-alert
#19
Jennifer Holmes, Gethin Roberts, Kate May, Kay Tyerman, John Geen, John D Williams, Aled O Phillips
A prospective national cohort study was undertaken to collect data on all cases of pediatric (under 18 yrs of age) acute kidney injury (AKI) identified by a biochemistry-based electronic alert using the Welsh National electronic AKI reporting system. Herein we describe the utility and limitation of using this modification of the KDIGO creatinine-based system data set to characterize pediatric AKI. Of 1,343 incident episodes over a 30-month period, 34.5% occurred in neonates of which 83.8% were AKI stage 1. Neonatal 30-day mortality was 4...
May 5, 2017: Kidney International
https://www.readbyqxmd.com/read/28481829/a-population-pharmacokinetic-analysis-to-study-the-effect-of-therapeutic-hypothermia-on-vancomycin-disposition-in-children-resuscitated-from-cardiac-arrest
#20
Nicole R Zane, Michael D Reedy, Marc R Gastonguay, Adam S Himebauch, Evan Z Ramsey, Alexis A Topjian, Athena F Zuppa
OBJECTIVES: Limited data exist on the effects of therapeutic hypothermia on renal function and pharmacokinetics in pediatric patients after cardiac arrest. The objective was to describe the differences in vancomycin disposition in pediatric patients following cardiac arrest treated with either therapeutic hypothermia or normothermia using population pharmacokinetic modeling. DESIGN: Single-center, retrospective cohort study. SETTING: A tertiary care hospital pediatric and cardiac ICU...
May 5, 2017: Pediatric Critical Care Medicine
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