Publications by authors named "Blowey D"

Background And Objectives: Pediatric patients with immunocompromising or certain chronic medical conditions have an increased risk of acquiring invasive pneumococcal disease (IPD). The 23-valent pneumococcal polysaccharide vaccine (PPSV23) is recommended for patients ≥2 years at high risk for IPDs. The aim of this project was to improve PPSV23 vaccination rates for children at high risk for IPD who were seen in 3 specialty clinics from ∼20% to 50% over a 12-month period.

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Introduction Accreditation Council for Graduate Medical Education's (ACGME's) Milestones assessment requirement has placed new demands on Program Directors (PDs), especially those with limited knowledge of assessment and evaluation activities. There is a lack of clarity on how Program Director (PDs)/Associate PDs (APDs) are effectively implementing milestones assessment and evaluation practices in the Graduate Medical Education programs. The purpose of this study was to investigate current assessment practices, needs, and challenges of PDs in implementing milestones assessment within their residency and fellowship programs in a pediatric hospital setting.

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Unlabelled: Systemic hypertension is a major cause of morbidity and mortality in adulthood. High blood pressure (HBP) and repeated measures of HBP, hypertension (HTN), begin in youth. Knowledge of how best to diagnose, manage, and treat systemic HTN in children and adolescents is important for primary and subspecialty care providers.

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These pediatric hypertension guidelines are an update to the 2004 "Fourth Report on the Diagnosis, Evaluation, and Treatment of High Blood Pressure in Children and Adolescents." Significant changes in these guidelines include (1) the replacement of the term "prehypertension" with the term "elevated blood pressure," (2) new normative pediatric blood pressure (BP) tables based on normal-weight children, (3) a simplified screening table for identifying BPs needing further evaluation, (4) a simplified BP classification in adolescents ≥13 years of age that aligns with the forthcoming American Heart Association and American College of Cardiology adult BP guidelines, (5) a more limited recommendation to perform screening BP measurements only at preventive care visits, (6) streamlined recommendations on the initial evaluation and management of abnormal BPs, (7) an expanded role for ambulatory BP monitoring in the diagnosis and management of pediatric hypertension, and (8) revised recommendations on when to perform echocardiography in the evaluation of newly diagnosed hypertensive pediatric patients (generally only before medication initiation), along with a revised definition of left ventricular hypertrophy. These guidelines include 30 Key Action Statements and 27 additional recommendations derived from a comprehensive review of almost 15 000 published articles between January 2004 and July 2016.

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Background: Ambulatory blood pressure (BP) monitoring (ABPM) is the preferred method to characterize BP status, and its use in kidney transplant recipients is increasing. Data on longitudinal ambulatory BP (ABP) trends in pediatric and young adult kidney transplant recipients are limited.

Methods: Retrospective review of a large cohort of children and young adults following kidney transplantation and evaluation of their ABP status over time and its associations with any patient and clinical characteristics.

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Diuretics have long been used for the treatment of hypertension. Thiazide diuretics are the most commonly prescribed diuretics for hypertension, but other classes of diuretics may be useful in alternative circumstances. Although diuretics are no longer considered the preferred agent for treatment of hypertension in adults and children, they remain acceptable first-line options.

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Background: Hypertension is a common complication and is an important risk factor for graft loss and adverse cardiovascular outcomes in pediatric kidney transplantation. Ambulatory blood pressure monitoring (ABPM) is the preferred method to characterize blood pressure status.

Methods: We conducted a retrospective review of a large cohort of children and young adults with kidney transplant to estimate the prevalence of abnormal ambulatory blood pressure (ABP), assess factors associated with abnormal ABP, and examine whether ambulatory hypertension is associated with worse allograft function and left ventricular hypertrophy (LVH).

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Background: Numerous studies have described the impact of cytochrome P450 3A5 (CYP3A5) genotype on Tacrolimus (TAC) exposure. The purpose of this study was to conduct a comprehensive analysis of genetic and non-genetic factors affecting the TAC dose-exposure relationship over the first year post pediatric renal transplant.

Methods: Data were collected retrospectively for the first year post-transplant in pediatric renal transplant patients receiving TAC maintenance immunosuppression.

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Conflicting data exist regarding the accuracy of the oscillometric method of blood pressure (BP) measurement in neonates. There is limited data regarding intra-arterial BP trends in neonates. We aimed to determine the accuracy of oscillometric BP measurements and to evaluate the BP distributions in ill neonates.

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Mycoplasma edwardii (M. edwardii) is an anthropozoonotic microorganism found in the upper respiratory and urogenital tracts of dogs. M.

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Objective: To report circuit characteristics and survival analysis in children weighing ≤10 kg enrolled in the Prospective Pediatric Continuous Renal Replacement Therapy (ppCRRT) Registry.

Study Design: We conducted prospective cohort analysis of the ppCRRT Registry to: (1) evaluate survival differences in children ≤10 kg compared with other children; (2) determine demographic and clinical differences between surviving and non-surviving children ≤10 kg; and (3) describe continuous renal replacement therapy (CRRT) circuit characteristics differences in children ≤5 kg versus 5-10 kg.

Results: The ppCRRT enrolled 84 children ≤10 kg between January 2001 and August 2005 from 13 US tertiary centers.

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Background: The prevalence and importance of hypertension in younger patients is becoming increasingly recognized; however, only a limited number of clinical trials have been conducted in the pediatric population.

Objective: The aim of this study was to characterize the pharmacokinetics and short-term safety of olmesartan medoxomil in children and adolescents with hypertension.

Methods: An open-label, multicenter, single-dose study was conducted in children and adolescents aged 12 months-16 years who were receiving treatment for hypertension or, if not currently treated for hypertension, had either a systolic blood pressure (SBP) or diastolic blood pressure (DBP).

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Objective: Continuous renal replacement therapy is the most often implemented dialysis modality in the pediatric intensive care unit setting for patients with acute kidney injury. However, it also has a role in the management of patients with nonrenal indications such as clearance of drugs and intermediates of disordered cellular metabolism.

Measurements And Methods: Using data from the multicenter Prospective Pediatric Continuous Renal Replacement Therapy Registry, we report a cohort of pediatric patients receiving continuous renal replacement therapy for nonrenal indications.

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J Clin Hypertens (Greenwich). 2012; 14:383-387. ©2012 Wiley Periodicals, Inc.

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The incidence and risk factors for hypertension in the neonatal intensive care unit (NICU) is inadequately defined, and the current utilization of antihypertensive medications in this specialized environment is not known. We evaluated the incidence of hypertension, associated risk factors, and utilization of antihypertensive drugs in the NICU using a large, geographically diverse pediatric database. A total of 123,847 NICU encounters were identified in the database.

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Cisplatin is a highly effective and frequently used drug in the chemotherapy of solid tumors in children, but there is currently no information to guide dosing in children requiring dialysis. Here, we present the case of a 2-year-old boy with end-stage renal disease managed with peritoneal dialysis and requiring cisplatin for a newly diagnosed hepatoblastoma. A pharmacokinetic study was performed to personalize the cisplatin dose with the goal of providing adequate cisplatin exposure and avoiding excessive exposure and toxicity.

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Background: Critically ill children with hemodynamic instability and acute kidney injury often develop fluid overload. Continuous renal replacement therapy (CRRT) has emerged as a favored modality in the management of such children. This study investigated the association between fluid overload and mortality in children receiving CRRT.

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Objective: Few published reports describe nutrition provision for critically ill children and young adults with acute kidney injury receiving continuous renal replacement therapy. The goals of this study were to describe feeding practices in pediatric continuous renal replacement therapy and to evaluate factors associated with over- and under-prescription of protein and calories.

Design: Retrospective database study.

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Pediatric stem cell transplant (SCT) recipients commonly develop acute renal failure (ARF). We report the demographic and survival data of pediatric SCT patients enrolled in the Prospective Pediatric Continuous Renal Replacement Therapy (ppCRRT) Registry. Since 1 January 2001, 51/370 (13.

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Purpose: Well-functioning vascular access is essential for the provision of adequate CRRT. However, few data exist to describe the effect of catheter size or location on CRRT performance in the pediatric population.

Methods: Data for vascular access site, size, and location, as well as type of anticoagulant used and patient demographic data were gathered from the ppCRRT registry.

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Background: This article reports demographic characteristics and intensive care unit survival for 344 patients from the Prospective Pediatric Continuous Renal Replacement Therapy (ppCRRT) Registry, a voluntary multicenter observational network.

Design, Setting, Participants, And Measurements: Ages were newborn to 25 yr, 58% were male, and weights were 1.3 to 160 kg.

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Background: Prior experience with the Cook (Cook Inc, Bloomington, IN) Teflon rigid catheter (CTC) showed it to be a suboptimal access for acute peritoneal dialysis (PD) treatment in infants and children because of the frequency of catheter-related complications associated with its use. The objective of this study is to report our experience with the bedside-placed flexible Cook Mac-Loc Multipurpose Drainage catheter (CMMDC) for acute PD in critically ill infants, comparing it with the historic Tenckhoff catheter (TC) and CTC use.

Study Design: Retrospective cohort study.

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Pregnancy in women with chronic kidney disease is not uncommon and is not without risk to the mother and child. This article reviews the literature on the outcome of infants from pregnancies in women with chronic kidney disease (CKD), including those receiving dialysis and those living with a functional kidney transplant. Pregnancy in women with CKD and end-stage renal disease (ESRD) is associated with a higher rate of premature birth and small-for-gestational-age (SGA) infants, with resultant increase in neonatal mortality.

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