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Outcome of Current Antibiotic Regimens used for Neonatal Sepsis in a Tertiary Hospital

Objective: This paper looked into the outcome of currently used antibiotic regimens for neonatal sepsis in a tertiary hospital. Methods: This retrospective study reviewed all cases of culture positive neonatal sepsis delivered in a tertiary hospital between January 1, 2000 to December 31, 2015. Demographic profile, stratification as to early-onset and late-onset sepsis, clinical manifestations, culture and antimicrobial susceptibility results, and outcomes were analyzed. Results: There were 28 cases of culture positive neonatal sepsis reported during the study period, and prematurity and low birth weight were the major risk factors identified. Of these, 8 were early-onset sepsis and 20 were late-onset sepsis cases. Respiratory symptoms were the most common presenting manifestations. Sepsis isolates were evenly distributed between gram-negative bacilli and gram-positive cocci with no ESBL E. coli or Klebsiella pneumoniae identified. The institution’s current empiric antibiotic regimen of cefuroxime and amikacin for early-onset neonatal sepsis was shifted to another drug in 57% of cases. Piperacillintazobactam or carbapenem was given for late-onset sepsis. The addition of vancomycin for late-onset sepsis was done where Staphylococcus was considered. Sepsis due to gram-negative bacilli had a high mortality rate. Conclusion: Our institution’s empiric antibiotic regimen which consists of cefuroxime and amikacin for early onset sepsis is effective in 43% of cases. A carbapenem or piperacillin-tazobactam, even without amikacin, proved to be effective for late-onset sepsis. Vancomycin, should be considered for late-onset sepsis, if staphyloccoccal disease is suspected.