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1.
Indian J Pediatr ; 90(7): 677-682, 2023 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-35727527

RESUMO

OBJECTIVE: To evaluate the effects of non-E. coli or extended-spectrum ß-lactamase-positive (ESBL-positive) microorganism growth in the first febrile urinary tract infection (UTI) of infants on laboratory findings or renal parenchymal damage presenting the severity of inflammation, anatomic abnormalities defined by imaging studies, and recurrent UTIs in the follow-up period. METHODS: The data of patients aged between 2 and 24 mo and followed up for at least 6 mo with febrile UTI guideline of the authors' pediatric-nephrology clinic, were retrospectively analyzed. Ultrasonography was performed in all the cases at the time of UTI and dimercaptosuccinic-acid (DMSA) at least 4 mo after the infection. Voiding cystourethrography (VCUG) was performed only if ultrasonography findings were abnormal, the uptake deformity was detected in DMSA scan, or the patients experienced recurrent UTIs. The patients were grouped concerning E. coli or non-E. coli and ESBL-PB or non-ESBL-BP growth in the urine cultures. RESULTS: There were 277 infants followed up for 28.55 ± 15.24 (6-86) mo. The causative microorganisms were non-E. coli in 73 (26.4%) and ESBL-PB in 58 (20.9%) cases. CRP values, pyuria, and leukocyte-esterase positivity were significantly higher in UTIs caused by E. coli compared to non-E. coli bacteria. All clinical and laboratory findings were similar between the ESBL-PB and non-ESBL groups, but abnormal ultrasonography findings were more common in non-E. coli group. CONCLUSION: E. coli causes more severe inflammation, but non-E. coli infections are more frequently associated with ultrasound abnormalities. However, ESBL production did not affect either laboratory or radiological findings in the present cohort.


Assuntos
Infecções por Escherichia coli , Infecções Urinárias , Criança , Humanos , Lactente , Pré-Escolar , Adolescente , Adulto Jovem , Adulto , Infecções por Escherichia coli/tratamento farmacológico , Infecções por Escherichia coli/microbiologia , Escherichia coli , Estudos Retrospectivos , Seguimentos , beta-Lactamases/farmacologia , Infecções Urinárias/microbiologia , Inflamação , Antibacterianos/uso terapêutico , Fatores de Risco
2.
Turk J Pediatr ; 64(2): 265-273, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35611415

RESUMO

BACKGROUND: We aimed to evaluate the predictability of extended-spectrum beta-lactamase (ESBL)-producing bacteria (PB) with inflammation markers and hemogram parameters as neutrophil-lymphocyte-ratio (NLR), platelets-lymphocyte-ratio (PLR) and mean-platelet-volume (MPV) in infants with febrile urinary tract infection until the urine cultures are resulted. METHODS: Infants between 2-24 months hospitalized for the first febrile urinary tract infections were grouped as those infected with ESBL-PB and non-ESBL-PB. The demographic and laboratory data (inflammation markers and hemogram parameters) and the ultrasonographical findings were compared between the two groups. RESULTS: A total of 232 patients were included in the study. The mean age was 8.82 ± 5.68 (2-23) months and 114 (49%) of them were female. Escherichia coli was the most common isolated bacteria (79%) followed by Klebsiella pneumoniae (15.5%) in urine cultures. There were 88 patients in ESBL-PB infected group and 144 patients in the non-ESBL-PB group. The hematologic parameters such as white blood cell count (WBC) count, NLR, PLR, MPV and procalcitonin (PCT) were similar between the two groups. Only the rate of ultrasonographic abnormalities was significantly higher in infants infected with ESBL-PB (p=0.012). The risk of ESBL-PB positivity in urine cultures increased with age (OR 1.068, 95% CI 1.002-1.139, p=0.045), PCT (OR 1.094, 95% CI 1.011-1.184, p=0.025), and ultrasonographic abnormalities (OR 3.981, 95% CI 1.792-8.845, p=0.001). CONCLUSIONS: Platelet counts, WBC, MPV, NLR, PLR, and PCT were not reliable markers, however having an ultrasonographic abnormality is the most important independent risk factor for prediction of infection with ESBL-PB.


Assuntos
Infecções por Escherichia coli , Infecções Urinárias , Adolescente , Antibacterianos/uso terapêutico , Bactérias , Criança , Pré-Escolar , Escherichia coli , Infecções por Escherichia coli/tratamento farmacológico , Feminino , Humanos , Lactente , Inflamação , Masculino , Estudos Retrospectivos , Fatores de Risco , Infecções Urinárias/tratamento farmacológico , beta-Lactamases
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