Arfa, P., Karimi, A., Rafiei Tabatabaei, S., Fahimzad, A., Armin, S., Sistanizad, M. (2016). A Prospective Study to Assess Vancomycin Serum Concentrations in Pediatric Patients with Current Dosing Guidelines. Iranian Journal of Pharmaceutical Research, 15(1), 341-346.
Peyman Arfa; Abdollah Karimi; Sedigheh Rafiei Tabatabaei; Alireza Fahimzad; Shahnaz Armin; Mohammad Sistanizad. "A Prospective Study to Assess Vancomycin Serum Concentrations in Pediatric Patients with Current Dosing Guidelines". Iranian Journal of Pharmaceutical Research, 15, 1, 2016, 341-346.
Arfa, P., Karimi, A., Rafiei Tabatabaei, S., Fahimzad, A., Armin, S., Sistanizad, M. (2016). 'A Prospective Study to Assess Vancomycin Serum Concentrations in Pediatric Patients with Current Dosing Guidelines', Iranian Journal of Pharmaceutical Research, 15(1), pp. 341-346.
Arfa, P., Karimi, A., Rafiei Tabatabaei, S., Fahimzad, A., Armin, S., Sistanizad, M. A Prospective Study to Assess Vancomycin Serum Concentrations in Pediatric Patients with Current Dosing Guidelines. Iranian Journal of Pharmaceutical Research, 2016; 15(1): 341-346.
A Prospective Study to Assess Vancomycin Serum Concentrations in Pediatric Patients with Current Dosing Guidelines
1‎1- Department of Clinical Pharmacy, Faculty of Pharmacy, Shahid Beheshti University of Medical Sciences, ‎Tehran, Iran.‎ ‎2- Pediatric Infections Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2Pediatric Infections Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
3a- Department of clinical pharmacy, Faculty of pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran b- Emam Hossein Medical and Educational Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Abstract
Concerns about increasing bacterial resistance to vancomycin, have caused the adult treatment guidelines to recommend higher trough concentrations based on the type and location of infectious disease. Although these recommendations are not specific to children, the values can be extrapolated. This prospective study was designed to evaluate efficacy of current vancomycin dosing recommendations to achieve therapeutic trough serum concentration in pediatric patients. Laboratory data, vancomycin dosing and subsequent serum concentrations of children in a community teaching pediatrics hospital were collected and analyzed. Trough serum levels were determined at steady state and compared with Infectious Disease Society of America (IDSA) 2011 guidelines for the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA) infections. In a prospective observational, cross-sectional study in a university medical center in Tehran, Iran, 50 patients, who received vancomycin for more than 4 doses, were recruited and their trough vancomycin level was determined. The mean age and creatinine clearance of patients were 5.47 ± 4.24 and 87.5 ± 31.25, respectively. Eleven (22%) patients received vancomycin at 40 mg/kg/day (low dose) and 39 (78%) at 60 mg/kg/day (high dose). Considering trough goals of 10-14 and 15-20mg/L in low and high dose groups, serum levels in 91% (73% sub-therapeutics) and 85% (69% sub-therapeutics) of patients were not in recommended therapeutic range, respectively. This study has shown that current recommended vancomycin dosing regimens in pediatric patients (40-60 mg/kg/day), resulted in sub-therapeutic serum concentrations in our study population.
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