Pediatric Blood Culture Isolates and Antibiotic Sensitivity Pattern in a Nigerian Tertiary Hospital

Abstract

Introduction: There is a significant variation in the bacterial pathogens implicated in childhood septicemia and their antibiotic sensitivity pattern
from place to place. Sustained monitoring of this dynamics is therefore critical to rational antibiotic use.

Materials and Methods: This study was thus conducted to determine the etiology of childhood septicemia and their antibiotic sensitivity pattern. Blood culture results (contaminants excluded), age, and sex of all pediatric patients with suspected septicemia between January 2013 and December 2014 were retrieved. Data were analyzed using SPSS version 20.

Results: Over a 2‑year period, a total of 3680 blood samples were processed. Pathogenic bacteria were isolated in 701 samples (19%).    Staphylococcus aureus was the most common isolate (41.4%) and was most sensitive to ampicillin‑sulbactam (89%). Klebsiella species (21.7%),  coagulase‑negative Staphylococcus (14.7%), and Pseudomonas aeruginosa (11%) were other common organisms isolated. Virtually, all the isolates demonstrated a reliable susceptibility to ciprofloxacin except for S. aureus and Klebsiella species which were most sensitive to ampicillin‑sulbactam and imipenem, respectively.

Conclusion: In conclusions, S. aureus is the leading cause of childhood septicemia in this locale. The significant rate of isolation of the supposedly less virulent organisms calls for an urgent review of potential risk factors and an appraisal of the hospital infection control policies and structures.

Keywords: Antibiotics, isolates, paediatric