At a glance
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Effect of Pre-operative Prophylaxis With Vancomycin on Rate of Cefazolin Non-susceptible Gram Positive Surgical Site Infections in Cardiovascular Surgery Patients
In Brief
A Phase 4 clinical trial evaluating Cefazolin 25 mg/kg body weight and Vancomycin hydrochloride and Cefazolin 30 mg/kg body weight for Congenital Heart Diseases and Aortic Valve Disorder. Completed, enrolled 32 participants across 1 site.
Detailed Summary
The investigators hope to learn 1) if the addition of prophylaxis with vancomycin will decrease the rate of cefazolin non-susceptible surgical site infections (SSI), in high risk population 2) to develop better understanding of vancomycin and cefazolin pharmacokinetics in children undergoing cardiopulmonary bypass (CPB) 3) to assess the barriers to vancomycin dosing peri-operatively 4) to assess side effects and risks associated with peri-operative vancomycin administration. This will allow us to improve patient care by better understanding the benefits or the risks of peri-operative vancomycin administration and potentially decrease cefazolin-resistant surgical site infections. In addition, this study gives us the opportunity to evaluate cefazolin and vancomycin pharmacokinetics (pK) on children on CPB. The investigators will take blood samples from 20 patients. In 10 patients the investigators will do Cefazolin pK analysis and in the other 10 the investigators will do pK Vancomycin analysis. For the remainder of 292 patients, only prospective chart review will be done to determine the incidence of SSIs. This data will be compared with 936 controls who received only Cefazolin pre-operatively as prophylaxis for SSI's. \--------------------------------------------------------------------------------
Study Details
Timeline
Interventions
Cefazolin 25 mg/kg/dose administered intravenously over 5 minutes within 60 minutes of surgical incision and then re-dosed (25 mg/kg: maximum 2 grams/dose) every 4 hours intra-operatively depending on the duration of surgery as per standard peri-operative prophylaxis for cardiac surgery and Vancomycin 15 mg/kg (max 1.5 gram/dose) will be administered intravenously over 1-2 hours (after completion of cefazolin infusion) For patients younger than 1 month of age, a one-time repeat dose of 15 mg/kg can be given intraoperatively 12 hours after the beginning of the first vancomycin dose if the procedure is \> 12 hours in duration. For patients equal to or older than 1 month, a one-time repeat dose of 15 mg/kg (max 1.5 grams) will be given intra-operatively 8 hours after the beginning of the first vancomycin dose if the procedure is \> 8 hours in duration.
Intervention: Drug: Cefazolin pre-operative prophylaxis Other Names: Cefazolin: Brand Names Ancef, Kefzol Cefazolin 30 mg/kg/dose administered intravenously over 10 minutes within 60 minutes of surgical incision and then re-dosed (30 mg/kg: maximum 2 grams/dose) every 4 hours intra-operatively depending on the duration of surgery as per standard peri-operative prophylaxis for cardiac surgery.