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Late-Occurring Vancomycin-Associated Acute Kidney Injury In Children Receiving Prolonged Therapy, Chad Knoderer, Allison Gritzman, Kristen Nichols, Amy Wilson Oct 2015

Late-Occurring Vancomycin-Associated Acute Kidney Injury In Children Receiving Prolonged Therapy, Chad Knoderer, Allison Gritzman, Kristen Nichols, Amy Wilson

Chad A. Knoderer

Background: Acute kidney injury (AKI) in patients receiving vancomycin has been associated with trough concentrations ≥15 mg/L and longer therapy duration. The objective of this study was to determine the incidence and factors associated with late AKI in children receiving ≥8 days of vancomycin therapy. Methods: Children aged 30 days to 17 years who were admitted to our institution and received intravenous vancomycin for at least 8 days during January to December of 2007 and 2010 and had a suspected or proven gram-positive infection were included. Late AKI was categorized as AKI occurring after the first 7 days of therapy …


Optimized Antimicrobial Dosing Strategies: A Survey Of Pediatric Hospitals, Chad Knoderer, Kristen Nichols, Elaine Cox Oct 2015

Optimized Antimicrobial Dosing Strategies: A Survey Of Pediatric Hospitals, Chad Knoderer, Kristen Nichols, Elaine Cox

Chad A. Knoderer

Background Extended-interval aminoglycoside (EIAG) and extended- and continuous-infusion β-lactam (EIBL and CIBL) dosing strategies are increasingly used in adults, but pediatric literature is limited. Objective The objective of this study was to describe the use of EIAG, EIBL, and CIBL dosing in pediatric hospitals in the USA. Study Design, Setting, and Participants A national survey of children’s hospitals was conducted. A single practitioner from each target hospital was identified through the Children’s Hospital Association. Practice-based survey questions identified whether hospitals utilize EIAG, EIBL, and CIBL dosing. Main Outcome Measure The main outcome measure was the percentage utilization of the dosing …


Acid-Suppressing Agents And Risk For Clostridium Difficile Infection In Pediatric Patients, Katelyn Brown, Chad Knoderer, Kristen Nichols, Ashley Crumby Feb 2015

Acid-Suppressing Agents And Risk For Clostridium Difficile Infection In Pediatric Patients, Katelyn Brown, Chad Knoderer, Kristen Nichols, Ashley Crumby

Chad A. Knoderer

Background. Acid-suppressing agents have been associated with increased Clostridium difficile infection (CDI) in adults. The objective of this study was to evaluate the association of acid-suppressing therapy with the development of CDI in the pediatric population. Methods. This was a retrospective case-control study. Children aged 1 through 17 years with a positive C difficile polymerase chain reaction (PCR) result obtained between June 1, 2008, and June 1, 2012, were randomly matched to a control population selected from patients with negative PCR. Results. A total of 458 children were included. No difference was observed in acid-suppressive therapy prior to PCR in …


Linezolid-Associated Thrombocytopenia In Children With Renal Impairment, Sara Jones, Kristen Nichols, Heather Deyoung, Elaine Cox, Chad Knoderer Jan 2015

Linezolid-Associated Thrombocytopenia In Children With Renal Impairment, Sara Jones, Kristen Nichols, Heather Deyoung, Elaine Cox, Chad Knoderer

Chad A. Knoderer

Impaired renal function has been associated with an increased risk of thrombocytopenia in adults receiving linezolid. Findings from this retrospective cohort demonstrate an association between thrombocytopenia and lower creatinine clearance in children receiving linezolid.


Assessment Of The Validity Of Reported Antibiotic Allergic Reactions In Pediatric Patients, Lauren Miller, Chad Knoderer, Elaine Cox, Martin Kleinman Nov 2014

Assessment Of The Validity Of Reported Antibiotic Allergic Reactions In Pediatric Patients, Lauren Miller, Chad Knoderer, Elaine Cox, Martin Kleinman

Chad A. Knoderer

Study Objective. To determine whether a reported antibiotic allergy was likely to have been immunologically mediated. Design. Questionnaire-based study. Setting. Tertiary care, freestanding children's hospital. Patients. One hundred patients aged 1 month-18 years for whom guardians reported an allergy to an antibiotic at the time of hospital admission between October 2009 and March 2010. Intervention. Guardians of the patients were interviewed by using a standardized allergy assessment questionnaire. Measurements and Main Results. Based on answers to the questionnaire, the reported allergic reactions were categorized to determine if they were true allergies or adverse reactions. Among the 100 patients, reported allergies …


Outcomes Of Extended-Infusion Piperacillin/Tazobactam In Pediatric Patients., Kristen Nichols, Katie Andricopulos, Ashley Crumby, Elaine Cox, Chad Knoderer Nov 2014

Outcomes Of Extended-Infusion Piperacillin/Tazobactam In Pediatric Patients., Kristen Nichols, Katie Andricopulos, Ashley Crumby, Elaine Cox, Chad Knoderer

Chad A. Knoderer

Poster presented at: ID Week 2013, October 2013, San Francisco, California.


Nonsteroidal Anti-Inflammatory Drugs Are An Important Cause Of Acute Kidney Injury In Children, Jason Misurac, Chad Knoderer, Jeffrey Leiser, Corina Nilescu, Amy Wilson, Sharon Andreoli Nov 2014

Nonsteroidal Anti-Inflammatory Drugs Are An Important Cause Of Acute Kidney Injury In Children, Jason Misurac, Chad Knoderer, Jeffrey Leiser, Corina Nilescu, Amy Wilson, Sharon Andreoli

Chad A. Knoderer

Objective To characterize nonsteroidal anti-inflammatory drug (NSAID)-associated acute kidney injury (AKI) in children. Study design We conducted a retrospective chart review of children diagnosed with AKI through the use of International Classification of Diseases, Ninth Revision diagnosis code 584.5 or 584.9 from January 1999 to June 2010. Medical records were reviewed to confirm the diagnosis of AKI and to quantify NSAID administration. Pediatric RIFLE criteria were used to codify AKI. Patients were not classified as having NSAID-associated AKI if they had a diagnosis explaining AKI or comorbid clinical conditions predisposing to AKI development. Results Patients (N = 1015) were identified …


Sildenafil For The Treatment Of Pulmonary Hypertension In Pediatric Patients, Alice Huddleston, Chad Knoderer, Jennifer Morris, Eric Ebenroth Nov 2014

Sildenafil For The Treatment Of Pulmonary Hypertension In Pediatric Patients, Alice Huddleston, Chad Knoderer, Jennifer Morris, Eric Ebenroth

Chad A. Knoderer

Sildenafil is a phosphodiesterase 5 inhibitor widely used for the treatment of pulmonary hypertension in children. Despite limited available safety and efficacy evidence, use of sildenafil continues to increase. To date, sildenafil use for pediatric pulmonary hypertension has been characterized for 193 children through 16 studies and 28 case series and reports. The primary efficacy data suggest that sildenafil is beneficial for facilitating the weaning of inhaled nitric oxide in children after cardiac surgery. Compiled safety data suggest that sildenafil is well tolerated among children with idiopathic pulmonary arterial hypertension and pulmonary arterial hypertension associated with congenital heart disease. This …


Pharmacokinetics Of Cefuroxime Are Not Significantly Altered By Cardiopulmonary Bypass In Children, Chad Knoderer, Sarah Saft, Scott Walker, Daniel Healy, Kevin Sowinski Nov 2014

Pharmacokinetics Of Cefuroxime Are Not Significantly Altered By Cardiopulmonary Bypass In Children, Chad Knoderer, Sarah Saft, Scott Walker, Daniel Healy, Kevin Sowinski

Chad A. Knoderer

Poster presented at: SPA/AAP PEDIATRIC ANESTHESIOLOGY 2010 - Winter Meeting; April 2010; San Antonio, TX.


Efficacy Of Limited Cefuroxime Prophylaxis In Pediatric Patients After Cardiovascular Surgery, Chad Knoderer, Elaine Cox, Michelle Berg, Andrea Webster, Mark Turrentine Nov 2014

Efficacy Of Limited Cefuroxime Prophylaxis In Pediatric Patients After Cardiovascular Surgery, Chad Knoderer, Elaine Cox, Michelle Berg, Andrea Webster, Mark Turrentine

Chad A. Knoderer

Purpose The efficacy of limited cefuroxime prophylaxis in pediatric patients after cardiovascular surgery was evaluated. Methods All patients age 18 years or younger who underwent cardiovascular surgery and received postoperative care from the cardiovascular surgery team between February and July 2006 (preintervention group) and between August 2006 and January 2007 (postintervention group) were eligible for study inclusion. Patients were excluded if they did not receive cefuroxime as postoperative prophylaxis, had a preexisting infection, underwent cardiac transplantation or extracorporeal membrane oxygenation, or underwent delayed sternal closure. The preintervention group received prolonged cefuroxime prophylaxis, and the postintervention group received 24 hours of …