Dataset Information

[Use of lumbar puncture in the evaluation of late-onset sepsis in low birth weight neonates].

ABSTRACT: The objective of this study was to analyze the use of lumbar punctures (LP) in the evaluation of late-onset neonatal sepsis. It is recommended to perform an LP as part of the evaluation of late-onset sepsis. We used a cohort of 414 newborns with a birth weight <2000g in three hospitals in Lima. A LP was performed in 45/214 (21.0%) of sepsis evaluations and in 13/48 (27.1%) of culture-proven sepsis. Meningitis was diagnosed in 8/214 (3.7%) of the episodes and 8/45 (17.5%) of the evaluations that included an LP. The duration of treatment of the sepsis episodes without a LP and the episodes with a negative LP was similar, and shorter than the episodes with a positive LP. The use of LP in the evaluation of late-onset sepsis is low and can result in undiagnosed and undertreated meningitis. The use of LP in the evaluation of neonatal sepsis must be encouraged in the neonatal units.

SUBMITTER: Zea-Vera A

PROVIDER: S-EPMC5544347 | biostudies-literature | 2016 Jun

REPOSITORIES: biostudies-literature

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[Use of lumbar puncture in the evaluation of late-onset sepsis in low birth weight neonates].

Zea-Vera Alonso A Turín Christie Gloria CG Rueda María Susana MS Guillén-Pinto Daniel D Medina-Alva Pilar P Tori Aldredo A Rivas María M Zegarra Jaime J Castañeda Anne A Cam Luis L Ochoa Theresa J TJ

Revista peruana de medicina experimental y salud publica 20160601 2

The objective of this study was to analyze the use of lumbar punctures (LP) in the evaluation of late-onset neonatal sepsis. It is recommended to perform an LP as part of the evaluation of late-onset sepsis. We used a cohort of 414 newborns with a birth weight <2000g in three hospitals in Lima. A LP was performed in 45/214 (21.0%) of sepsis evaluations and in 13/48 (27.1%) of culture-proven sepsis. Meningitis was diagnosed in 8/214 (3.7%) of the episodes and 8/45 (17.5%) of the evaluations that ...[more]

PMID: 27656928

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Project description:BackgroundOligosaccharides are the third most abundant component in human milk. They are a potential protective agent against neonatal sepsis.ObjectivesWe aimed to explore the association between human milk oligosaccharides (HMOs) and late-onset sepsis in very-low-birth-weight infants, and to describe the composition and characteristics of HMOs in Peruvian mothers of these infants.MethodsThis is a secondary data analysis of a randomized clinical trial. We conducted a retrospective cohort study of mothers and their very-low-birth-weight (<1500 g) infants with ≥1 milk sample and follow-up data for >30 d. HMOs were measured by high performance liquid chromatography (HPLC). We used factor analysis and the Mantel-Cox test to explore the association between HMOs and late-onset neonatal sepsis.ResultsWe included 153 mother-infant pairs and 208 milk samples. Overall, the frequency of the secretor phenotype was 93%. Secretors and nonsecretors were defined by the presence and near-absence of α1-2-fucosylated HMOs, respectively. The most abundant oligosaccharides were 2'-fucosyllactose, lacto-N-fucopentaose (LNFP) I, and difucosyllacto-N-tetraose in secretors and lacto-N-tetraose and LNFP II in nonsecretors. Secretors had higher amounts of total oligosaccharides than nonsecretors (11.45 g/L; IQR: 0.773 g/L compared with 8.04 g/L; IQR: 0.449 g/L). Mature milk samples were more diverse in terms of HMOs than colostrum (Simpson's Reciprocal Diversity Index). We found an association of factor 3 in colostrum with a reduced risk of late-onset sepsis (HR: 0.63; 95% CI: 0.41, 0.97). Fucosyl-disialyllacto-N-hexose (FDSLNH) was the only oligosaccharide correlated to factor 3.ConclusionsThese findings suggest that concentrations of different HMOs vary from one individual to another according to their lactation period and secretor status. We also found that FDSLNH might protect infants with very low birth weight from late-onset neonatal sepsis. Confirming this association could prove 1 more mechanism by which human milk protects infants against infections and open the door to clinical applications of HMOs.This trial was registered at clinicaltrials.gov as NCT01525316.

Dataset Information

[Use of lumbar puncture in the evaluation of late-onset sepsis in low birth weight neonates].

Publications

[Use of lumbar puncture in the evaluation of late-onset sepsis in low birth weight neonates].

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