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Assessment of Intestinal Transcytosis of Neonatal Escherichia coli Bacteremia Isolates
Published on: February 17, 2023
Prevalence, Etiological Patterns and Factors Associated with Bacteraemia Among Febrile Children with Sickle Cell
Abdifatah Muhuyadin Haji Ali1, Awil Abdulkadir Abdi2, Amatarahman Ibrahim Said1
1Department of Pediatrics, Faculty of Clinical Medicine and Dentistry, Kampala International University, Bushenyi, Uganda.
Insights
Bacteremia is common in Ugandan children with sickle cell anemia, with Staphylococcus aureus being the most frequent cause. Blood cultures are crucial for guiding effective antibiotic treatment.
Area of Science:
- Pediatrics
- Infectious Diseases
- Hematology
Background:
- Children with sickle cell anemia (SCA) face a high risk of bacterial infections.
- Limited data exists on bacteremia in SCA patients in Uganda.
- This study addresses the gap in understanding bacteremia in Ugandan children with SCA.
Purpose of the Study:
- To determine the prevalence of bacteremia in febrile children with SCA in Uganda.
- To identify the bacterial causes and antibiotic resistance patterns of bacteremia.
- To explore factors associated with bacteremia in this population.
Main Methods:
- A cross-sectional study was conducted at Jinja Regional Referral Hospital.
- Blood samples from febrile children with SCA were cultured and tested for antibiotic sensitivity.
- Logistic regression analysis identified factors associated with bacteremia.
Main Results:
- Bacteremia was confirmed in 21.1% of febrile children with SCA.
- Staphylococcus aureus was the most common isolate (56.8%), followed by E. coli.
- Antibiotic resistance to common drugs like ampicillin and gentamicin was high; cloxacillin showed sensitivity against S. aureus.
Conclusions:
- Bacteremia is prevalent in febrile children with SCA in Uganda, with S. aureus as a primary pathogen.
- Blood cultures are essential for accurate diagnosis and treatment.
- Empirical antibiotic choices should consider local resistance patterns, with cloxacillin and cefotaxime as potential alternatives to ineffective ampicillin and gentamicin.
Background:
Children with sickle cell anemia (SCA) are highly susceptible to bacterial infections. While studies in Sub-Saharan Africa have explored the prevalence and causes of bacteremia in SCA, no such data exist from Uganda. This study aimed to determine the prevalence, bacterial causes, and associated factors of bacteremia among febrile children with SCA at Jinja Regional Referral Hospital (JRRH).
Methods:
We conducted a cross-sectional study among febrile children ≤18 years with confirmed SCA at JRRH. Data on sociodemographic, clinical, and laboratory variables were collected from caregivers and medical records. Blood samples were cultured using the BACTEC FX200 system and sensitivity for Kirby-Bauer disk diffusion. Descriptive statistics reported prevalence and etiology. Binary logistic regression was used to identify factors associated with bacteraemia, using SPSS v26. Statistical significance was set at p < 0.05.
Results:
Of the 209 febrile children enrolled, 114 (54.5%) were male and 116 (55.5%) were under five years. Bacteremia was confirmed in 44 patients (21.1%). The most frequent isolate was Staphylococcus aureus (25/44, 56.8%), followed by Escherichia coli (8/44, 18.2%), Klebsiella pneumoniae (3/44, 6.8%), and Haemophilus influenzae (3/44, 6.8%). All isolates were resistant to gentamicin, ampicillin, penicillin, and ofloxacin. S. aureus showed good sensitivity to cloxacillin. Factors associated with bacteremia were low maternal education (aOR = 1.098; 95% CI: 1.007-1.197; p = 0.037), tachycardia (aOR = 1.116; 95% CI: 1.027-1.213; p = 0.010) and neutrophilia (aOR = 1.536; 95% CI: 1.363-1.731; p < 0.001).
Conclusion:
Bacteremia was common among febrile children with SCA, with Staphylococcus aureus as the leading isolate. Blood cultures should be prioritized. Ampicillin and gentamicin were ineffective, whereas cloxacillin, cefotaxime, and other antibiotics with demonstrated sensitivity are recommended as empiric alternatives.
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