A Shama1, S K Patole, J S Whitehall. 1. Department of Neonatology, Kirwan Hospital for Women, Townsville, QLD, Australia.
Abstract
UNLABELLED: Addition of intravenous rifampin is reported to be useful in prompt clearance of persistent coagulase negative staphylococcal (CONS) bacteraemia in high-risk neonates. Four neonates (mean birthweight 823 g, mean gestation 25 wk) with persistent CONS bacteraemia for > 7-10 d (mean 11) were treated with i.v. rifampicin (10 mg/kg/12 h x 10 d) while continuing vancomycin (15 mg/kg/24 h). Their age at time of infection ranged from 2 to 11 d. The mean (range) vancomycin peak and trough concentrations were 29 (25-35) and 6 (4-10) microg/ml, respectively. The blood isolates were Staphylococcus epidermidis, S. hominis, and S. haemolyticus. Addition of rifampicin was associated with prompt clearance of bacteraemia within 48 h (n = 3) and 5 d (n - 1). Rifampicin-related adverse effects such as abnormal liver function tests and thrombocytopenia did not occur. CONCLUSION: Addition of i.v. rifampicin to vancomycin may optimize the outcome of persistent CONS bacteraemia and the risk of bacterial resistance related to prolonged exposure to vancomycin.
UNLABELLED: Addition of intravenous rifampin is reported to be useful in prompt clearance of persistent coagulase negative staphylococcal (CONS) bacteraemia in high-risk neonates. Four neonates (mean birthweight 823 g, mean gestation 25 wk) with persistent CONS bacteraemia for > 7-10 d (mean 11) were treated with i.v. rifampicin (10 mg/kg/12 h x 10 d) while continuing vancomycin (15 mg/kg/24 h). Their age at time of infection ranged from 2 to 11 d. The mean (range) vancomycin peak and trough concentrations were 29 (25-35) and 6 (4-10) microg/ml, respectively. The blood isolates were Staphylococcus epidermidis, S. hominis, and S. haemolyticus. Addition of rifampicin was associated with prompt clearance of bacteraemia within 48 h (n = 3) and 5 d (n - 1). Rifampicin-related adverse effects such as abnormal liver function tests and thrombocytopenia did not occur. CONCLUSION: Addition of i.v. rifampicin to vancomycin may optimize the outcome of persistent CONS bacteraemia and the risk of bacterial resistance related to prolonged exposure to vancomycin.
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