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Ogunkunle TO, Adedoyin TO, Ernest SK, Hassan-Hanga F, Imam A, Olaosebikan R, Obaro SK. A Prospective Cohort Study of the Clinical Predictors of Bacteremia in Under-Five Children With Acute Undifferentiated Fever Attending a Secondary Health Facility in Northwestern Nigeria. Front Pediatr 2021; 9:730082. [PMID: 35242726 PMCID: PMC8885983 DOI: 10.3389/fped.2021.730082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 12/27/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Children with acute febrile illness with no localizing signs often receive antibiotics empirically in most resource-poor settings. However, little is known about the burden of bacteremia in this category of patients, and an appraisal is thus warranted. This will guide clinical practice and promote rational antibiotics use. METHODS We prospectively followed up 140 under-five children who presented with acute undifferentiated fever at the emergency/outpatient pediatric unit of a secondary healthcare facility. Baseline clinical and laboratory information was obtained and documented in a structured questionnaire. We compared baseline characteristics between participants with bacteremia and those without bacteremia. We further fitted a multivariable logistic regression model to identify factors predictive of bacteremia among the cohort. RESULT The prevalence of bacteremia was 17.1%, and Salmonella Typhi was the most frequently (40.9%) isolated pathogen. The majority (78.6%) of the study participants were managed as outpatients. The participants who required admission were four times more likely to have bacteremia when compared to those managed as outpatients (AOR 4.08, 95% CI 1.19 to 14.00). There is a four times likelihood of bacteremia (AOR 4.75, 95% CI 1.48 to 15.29) with a fever duration of beyond 7 days. Similarly, participants who were admitted with lethargy were six times more likely to have bacteremia (AOR 6.20, 95% CI 1.15 to 33.44). Other significant predictors were tachypnea and lymphopenia. CONCLUSION Among under-five children with acute undifferentiated fever, longer duration of fever, lethargy, inpatient care, tachypnea, and lymphopenia were the significant predictors of bacteremia.
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Affiliation(s)
| | - Timothy Olanrewaju Adedoyin
- Department of Paediatrics and Child Health, University of Ilorin/University of Ilorin Teaching Hospital, Ilorin, Nigeria
| | - Samuel Kolade Ernest
- Department of Paediatrics and Child Health, University of Ilorin/University of Ilorin Teaching Hospital, Ilorin, Nigeria
| | - Fatimah Hassan-Hanga
- Department of Paediatrics and Child Health, Aminu Kano University Teaching Hospital, Kano, Nigeria
| | - Abdulazeez Imam
- Oxford Centre for Global Health Research, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Rasaq Olaosebikan
- Department of Pharmacology and Experimental Therapeutics, Thomas Jefferson University, Philadelphia, PA, United States
| | - Stephen K Obaro
- Division of Pediatric Infectious Diseases, Department of Pediatrics/Department of Microbiology and Pathology, University of Nebraska Medical Center, Omaha, NE, United States
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Ameya G, Weldemedhin T, Tsalla T, Gebremeskel F. Antimicrobial Susceptibility Pattern and Associated Factors of Pediatric Septicemia in Southern Ethiopia. Infect Drug Resist 2020; 13:3895-3905. [PMID: 33154655 PMCID: PMC7608546 DOI: 10.2147/idr.s278293] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 10/07/2020] [Indexed: 11/23/2022] Open
Abstract
Background Septicemia is one of the major causes of morbidity and mortality in pediatric patients throughout the world. Drug-resistant pathogens are one of the major challenges to control. The study aimed to identify the major etiological agents, antimicrobial susceptibility pattern and associated factors of septicemia among pediatric patients in southern Ethiopia. Methods A cross-sectional study was conducted on pediatric patients. Blood samples were cultured and antimicrobial susceptibility testing was conducted by Kirby-Bauer disc diffusion techniques. Data were collected by pre-tested questionnaire to identify potential associated factors of septicemia. A bivariate logistic regression analysis was used and adjusted odds ratio with 95% CI at ≤0.05 level of significance was computed to determine the presence and strength of the association. Results Of 238 participants, 27 (11.3%) of them had a positive blood culture. Staphylococcus aureus (32.2%), coagulase negative Staphylococci (25%), and Klebsiella pneumoniae (14.3%) were the predominant isolates. The isolated bacteria showed high rates of resistance to amoxicillin, ceftriaxone, streptomycin and ampicillin. Multi-drug resistance (MDR) was observed in 82.1% of the isolates. Being infant [AOR=4.18, 95% CI, (1.3–13.0)], admission >10 days [AOR=5.54, 95% CI, (1.51–20.41)], burn [AOR=3.55, 95% CI, (1.02–12.38)] and wound cases [AOR=5.52, 95% CI, (1.50–20.34)] were associated with pediatric septicemia. Conclusion Gram positive bacteria were the predominant isolates and majority of isolates were MDR pathogens. Very young age, prolonged hospital stays, burn and wound cases were associated with pediatric septicemia. Establishing antibiotic stewardship is mandatory to minimize the high prevalence of drug resistance.
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Affiliation(s)
- Gemechu Ameya
- Department of Medical Laboratory Sciences, Kotebe Metropolitan University, Addis Ababa, Ethiopia
| | | | - Tsegaye Tsalla
- Department of Medical Laboratory Sciences, College of Medicine and Health Sciences, Arba Minch University, Arba Minch, Ethiopia
| | - Feleke Gebremeskel
- School of Public Health, College of Medicine and Health Sciences, Arba Minch University, Arba Minch, Ethiopia
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Blood culture sampling rate in hospitalised children as a quality indicator for diagnostic stewardship. Infection 2020; 48:569-575. [PMID: 32430646 DOI: 10.1007/s15010-020-01439-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 05/03/2020] [Indexed: 10/24/2022]
Abstract
PURPOSE Recommendations regarding the optimal number of blood cultures in children are not available. The aim of this article is to describe the correlation between blood culture (BC) rates and laboratory-confirmed bloodstream infection (LCBSI) rates, on different paediatric wards of a tertiary-care centre in Germany. METHODS We conducted a retrospective cohort study in a paediatric university hospital, from 1st January to 31st December 2018. All blood cultures collected from neonatal (NICU) and paediatric intensive-care units (PICU), haematology/oncology, and general paediatric wards were included. There were no exclusion criteria. BC taken/1000 patients-days (BC rates/BCR) and LCBSI/1000 patient-days at risk (LCBSI rates) were calculated for each unit. RESULTS A total of 6040 patients were admitted to the hospital with 3114 of them into wards studied. Of the 3072 BCs collected, 200 (6.5%) were positive. Collection of BCs was performed in 51/77 (66.2%) of admitted patients on NICU, in 151/399 (37.8%) of PICU patients, in 163/755 (21.6%) of haematology/oncology patients, and in 281/1883 (14.9%) of children on general paediatric wards. Gram-positive bacteria were the most commonly detected organisms in blood cultures from all wards with exception of NICU. The BCR in NICU, PICU, haematology/oncology wards, and general wards were 61.6, 196.2, 358.4, and 52.3, respectively. Excluding commensal pathogens and possible contaminations, the LCBSI rates in the same units were 2.4, 5.6, 4.4, and 1.0, respectively. CONCLUSION We found different BCR values according the ward studied, being higher in patients with high risk of bloodstream infection such as haematology/oncology patients.
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Shakur SM, Whitehall J, Mudgil P. Pediatric bloodstream infections in metropolitan Australia. World J Pediatr 2019; 15:161-167. [PMID: 30617937 DOI: 10.1007/s12519-018-00221-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 12/16/2018] [Indexed: 01/08/2023]
Abstract
BACKGROUND Bloodstream infections (BSIs) cause significant morbidity and mortality of children worldwide. The aim of this study was to investigate BSI in children and determine the identity of causative organism and their susceptibility patterns in a metropolitan public hospital in Australia. METHODS We retrospectively reviewed children aged 0-16 years admitted to a public hospital from January 1, 2010 to August 31, 2014 inclusive, and whose blood cultures revealed bacteraemia. Data were collected regarding patient demographics, species of bacteria isolated, antimicrobial susceptibility of these isolates, and clinical outcomes. RESULTS Out of 96 patients with BSI, 55 (57.3%) were males. The median age was 3.35 years (IQR 0.44-7.46), and there were 2 mortalities. Common sites of infection were the respiratory tract (16.6%, n = 16), bone and joints (15.6%, n = 15) and the urinary tract (11.5%, n = 11). The most frequent isolates were Staphylococcus aureus (27.0%), Escherichia coli (14.0%) and Streptococcus pneumoniae (12.0%). Whilst most bacterial isolates displayed susceptibility (> 90%) to common antimicrobial agents, only 57.1% (8/14) of Escherichia coli isolates were susceptible to ampicillin and 58.3% (7/12) were susceptible to co-trimoxazole. CONCLUSIONS Gram-positive bacteria accounted for the majority of pediatric BSIs, of which invasive pneumococcal disease remains a noteworthy cause. The majority of isolates, except Escherichia coli, were susceptible to commonly used antimicrobials. This study confirms the knowledge of high rates of resistance of Escherichia coli to ampicillin. Therefore, empirical treatment should still include gentamicin. Monitoring of resistance patterns is warranted to ensure that antibiotic therapy remains appropriate.
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Affiliation(s)
- Shakif Mohammad Shakur
- School of Medicine, Western Sydney University, Locked Bag 1797, Penrith, NSW, 2751, Australia
| | - John Whitehall
- School of Medicine, Western Sydney University, Locked Bag 1797, Penrith, NSW, 2751, Australia
| | - Poonam Mudgil
- School of Medicine, Western Sydney University, Locked Bag 1797, Penrith, NSW, 2751, Australia.
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Er J, Wallis P, Maloney S, Norton R. Paediatric bacteraemias in tropical Australia. J Paediatr Child Health 2015; 51:437-42. [PMID: 25316255 DOI: 10.1111/jpc.12750] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/08/2014] [Indexed: 11/26/2022]
Abstract
AIM Bacteraemias in children are an important cause of morbidity and mortality. Knowledge of local epidemiology and trends is important to inform practitioners of likely pathogens in the sick child. This study aimed to determine trends over time in pathogenic organisms causing paediatric bacteraemia in North Queensland and to audit a hospital's blood culture results with respect to contamination rate. METHODS This was a retrospective review of 8385 blood cultures collected from children attending a tertiary centre in North Queensland over a 10-year period (2001-2010). RESULTS There were 696 positive blood cultures (8.3%) with 70 different bacterial species detected. Gram-positive and Gram-negative bacteria accounted for 48.6% and 51.4% of isolates, respectively. Overall, bacteraemia accounted for 4.7 per 1000 admissions. The rate of contamination was 60.6% among positive blood cultures and 5.0% for all blood cultures sampled. These results were compared with previous published reports. Notable differences were seen in the frequencies of Salmonella and group A Streptococcus bacteraemias in North Queensland when compared with other reports. There was also a decline in vaccine-preventable infections such as S. pneumoniae and an increasing trend of community-acquired MRSA bacteraemia. CONCLUSION This study has demonstrated the unique profile of causative pathogens of paediatric bacteraemias in tropical Australia. In light of the increasing prevalence of MRSA, empiric treatment for sepsis for children in this region needs to be reconsidered.
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Affiliation(s)
- Jeremy Er
- Townsville Hospital, Townsville, Queensland, Australia
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Kurtoğlu MG, Bozkurt H, Tuncer O, Kesli R, Berktas M. Distribution, optimum detection time and antimicrobial susceptibility rates of the microorganisms isolated from blood cultures over a 4-year time period in a Turkish university hospital and a review of the international literature. J Int Med Res 2009; 36:1261-72. [PMID: 19094435 DOI: 10.1177/147323000803600613] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
This study retrospectively examined 8986 blood cultures from patients over a 4-year time period in an eastern Turkish university hospital to determine the detection times and distribution of isolated microorganisms using the automated BACTEC 9050 and BACTEC 9120 systems. A total of 1914 (21.3%) blood cultures contained pathogenic microorganisms and 252 (2.8%) positive cultures were considered contaminated. Of all the cultures, 18 (0.2%) were false positives and 224 (2.5%) were false negatives. In cultures containing pathogenic microorganisms, Gram-positive and Gram-negative bacterial isolation rates were 436 (22.8%) and 1440 (75.2%), respectively, and yeasts (all Candida sp.) were found in 38 (2.0%) cultures. Coagulase-negative staphylococci occurred in 936 (48.9%) cultures and Staphylococcus aureus occurred in 302 (15.8%) cultures. The mean detection time for all of the pathogens was 21 h and Brucella spp were isolated within 10 days. This study helps in understanding the epidemiology of the region and in providing positive therapeutic approaches. A review of the international literature helps to place this understanding into a global context.
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Affiliation(s)
- M G Kurtoğlu
- Van Yuksek Ihtisas Education and Research Hospital, University of Yüzüncü Yil, Van, Turkey.
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Koh EM, Lee SG, Kim CK, Kim M, Yong D, Lee K, Kim JM, Kim DS, Chong Y. [Microorganisms isolated from blood cultures and their antimicrobial susceptibility patterns at a university hospital during 1994-2003]. Korean J Lab Med 2008; 27:265-75. [PMID: 18094587 DOI: 10.3343/kjlm.2007.27.4.265] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Blood culture is important for the determination of the etiologic agent of bacteremia. Analysis of blood culture results and antimicrobial susceptibility trend can provide clinicians with relevant information for the empirical treatment of patients. METHODS The species and antimicrobial susceptibility of the isolates from blood cultures at the Severance Hospital during 1994-2003 were analysed. Blood specimens were cultured for 7 days using tryptic soy broth and thioglycollate medium. Identification of organism was based on conventional methods or commercial kit systems. Antimicrobial susceptibility was tested by a disk diffusion method. RESULTS Of 536,916 blood specimens cultured, 24,877 (4.6%) from 13,102 patients were positive. Among the isolates, 93.1% were aerobic or facultative anaerobic bacteria, 3.3% anaerobes, and 3.6% fungi. Escherichia coli was isolated most frequently, followed by Staphylococcus aureus, alpha-hemolytic Streptococcus, Enterococcus spp., and Klebsiella pneumoniae. The proportion of patients with Enterococcus faecium and K. pneumoniae gradually increased during this study. Enterococcus, S. aureus and alpha-hemolytic Streptococcus were frequently isolated from the age group of less than 2 yr. E. coli, Enterococcus spp., K. pneumoniae and S. aureus from the age group of over 50 yr. Oxacillin-resistant S. aureus decreased, whereas vancomycin-resistant E. faecium and imipenemresistant Pseudomonas aeruginosa and Acinetobacter baumannii increased. CONCLUSIONS E. coli was the most common cause of bacteremia and S. aureus, alpha-hemolytic Streptococcus, and K. pneumoniae were frequently isolated pathogens. The bacteremia due to Enterococcus, K. pneumoniae, fungi, vancomycin-resistant E. faecium, and imipenem-resistant P. aeruginosa and A. baumannii gradually increased during this period.
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Affiliation(s)
- Eun Mi Koh
- Department of Laboratory Medicine, Yonsei University Colleage of Medicine, Seoul, Korea
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Abstract
BACKGROUND Bacteremia is a major pediatric health care problem despite the availability of new modalities in the management of this disease. The aim of the present study was to determine the incidence and pattern of bacteremia in pediatric group at a tertiary hospital in Riyadh, SaudiArabia. METHODS This retrospective study was conducted at the Department of Pediatrics, College of Medicine, King Khalid University Hospital, Riyadh in the period of January 2003 to January 2005. Positive culture was found in 259 patients aged below 15 years with a total of 8244 admissions in the period. RESULTS The highest incidence of bacteremia was found in patients aged less than 1 year (57.9%), and the majority of patients (30.5%) were infants aged less than 1 month. Staphylococcus aureus was the most common isolated pathogen (18.7%). Prematurity was associated with 13.2% of the cases, and respiratory tract infection (10.1%) and fever (76.1%) were chief complaints. CONCLUSIONS Staphylococcus aureus is the most common isolated pathogen. The most common primary infections are respiratory tract infection and septic meningitis. Klebsiellapneumoniae and E. coli are the most common isolated Gram-negative organisms.
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Affiliation(s)
- Fahad Abdullah Al-Zamil
- Department of Pediatrics, College of Medicine, King Khalid University Hospital, King Saud University, Riyadh, Kingdom of Saudi Arabia.
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