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Published on: February 17, 2023
Bacteraemia among severely malnourished children in jimma university hospital, ethiopia
Alem Abrha1, Alemseged Abdissa, Getenet Beyene
1Department of Medical Microbiology, Mada Walabu University.
Insights
Severe acute malnutrition increases infection risk. This study found high rates of bloodstream bacterial infections (bacteraemia) and antibiotic resistance in malnourished children, necessitating updated treatment guidelines.
Area of Science:
- Pediatrics
- Infectious Diseases
- Microbiology
Background:
- Severe acute malnutrition (SAM) significantly impairs immune function, increasing susceptibility to infections.
- Clinical presentation of infections in SAM children is often atypical, complicating diagnosis and treatment.
- Understanding the burden of bloodstream bacterial infections and antibiotic resistance is crucial for effective management.
Purpose of the Study:
- To determine the prevalence of bloodstream bacterial infections (bacteraemia) in severely malnourished children.
- To identify common bacterial pathogens causing bacteraemia in this population.
- To assess the antimicrobial susceptibility patterns of these bacterial isolates.
Main Methods:
- A prospective study was conducted on severely malnourished children admitted to Jimma University Specialized Hospital.
- Blood samples were collected, and bacterial isolates were identified using standard bacteriological techniques.
- Antibiotic susceptibility testing was performed using the Kirby-Bauer method.
Main Results:
- Bacteraemia was detected in 20.6% of the 170 children studied.
- Gram-positive bacteria, particularly Staphylococcus aureus, were the predominant isolates (68.6%), followed by Gram-negative Klebsiella species.
- High resistance rates were observed for common antibiotics (Amoxycillin, Co-trimoxazole, Chloramphenicol), while Gentamicin, Ciprofloxacin, and Ceftriaxone showed over 80% susceptibility.
Conclusions:
- A high prevalence of bacteraemia, dominated by Gram-positive bacteria, exists in severely malnourished children in Jimma.
- Significant antibiotic resistance to frequently used antimicrobial agents was documented.
- Current antibiotic treatment guidelines for severe acute malnutrition may require revision based on these findings.
Background:
Sever acute malnutrition severely suppresses every component of the immune system leading to increased susceptibility and severity to infection. However, symptoms and signs of infections are often unapparent making prompt clinical diagnosis and early treatment very difficult. The aim of the study was to determine the magnitude of bacteraemia and antimicrobial sensitivity among severely malnourished children.
Methods:
Severely malnourished children admitted in Jimma University Specialized Hospital were enrolled between October, 2009 to May, 2010. Blood samples were collected, processed and bacterial isolates were identified using standard bacteriological procedures. Then, antibiotic susceptibility pattern of the isolates was determined by using Kirby-Bauer technique.
Results:
Bacteraemia was seen in 35 (20.6%) of the 170 study subjects. There were a total of 35 bacterial isolates, Gram positive bacteria constitute 24(68.6%) of the isolates, where Staphylococcus aureus was the leading Gram positive isolate while Klebsiella species were the dominant Gram negative isolates. Twelve (7.1%) children died and 4 (33.3%) of them had bacteraemia. While susceptibility was more than 80% to Gentamicin, Ciprofloxacin and Ceftriaxone, increased level of resistance was documented to commonly used antibiotics, such as Amoxycillin, Co-trimoxazole and Chloramphenicol.
Conclusion:
High prevalence of bacteraemia with predominating Gram positive isolates and increased level of resistance to commonly used antibiotics was shown among severely malnourished children in Jimma. Further studies are required to revise the current guideline for antibiotic choice.
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