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Persistent coagulase-negative staphylococci bacteremia in very-low-birth-weight infants

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Abstract

This study sought to expand current knowledge on the clinical and epidemiological characteristics of persistent coagulase-negative Staphylococcus (CoNS) bacteremia in very-low-birth-weight (VLBW) infants. Background and disease-related data were collected prospectively on 143 VLBW infants diagnosed with CoNS bacteremia at a pediatric tertiary medical center in 1995–2003. Findings were compared between those with persistent (positive blood cultures for >72 h under appropriate treatment ) and nonpersistent disease. Fifty-eight infants (40.6%) were found to have persistent bacteremia. There were no between-group differences in maternal characteristics, mode of delivery, newborn characteristics, dwell time of central venous and umbilical catheters, complications of prematurity, or mean hospital stay. The persistent bacteremia group had significantly higher rates of hypothermia at presentation (37.9% vs. 17.6%, p < 0.04), creatinine >1.2 mg% on treatment day 7 (13.7% vs. 2.4%, p < 0.02; transient phenomenon), and endocarditis (p < 0.03); one infant had an aortic thrombus. Predominantly breast-fed infants had a higher rate of negative cultures within 72 h of appropriate treatment than predominantly formula-fed infants (60% vs. 19%, p < 0.02). In conclusion, persistence of CoNS bacteremia is common in VLBW infants. Endocarditis should be excluded in all infants with persistent disease. Breast-feeding is associated with a shorter disease duration.

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Acknowledgments

The authors thank Pearl Lilos of the Department of Statistics, Tel Aviv University for her excellent statistical analysis.

Conflict of interest

The authors have no conflicts of interest to declare.

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Authors and Affiliations

  1. Department of Neonatology, Rabin Medical Center, 2 Denmark St, Petach Tikva, 49100, Israel

    Nehama Linder, Adriana Hernandez & Limor Amit

  2. Neonatal Intensive Care Unit, Schneider Children’s Medical Center of Israel, Petach Tikva, Israel

    Gil Klinger

  3. Department of Pediatrics A, Schneider Children’s Medical Center of Israel, Petach Tikva, Israel

    Shai Ashkenazi

  4. Infectious Diseases Unit, Schneider Children’s Medical Center of Israel, Petach Tikva, Israel

    Itzhak Levy

  5. Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel

    Nehama Linder, Gil Klinger, Shai Ashkenazi & Itzhak Levy

Authors
  1. Nehama Linder
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  2. Adriana Hernandez
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  3. Limor Amit
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  4. Gil Klinger
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  5. Shai Ashkenazi
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  6. Itzhak Levy
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Correspondence to Nehama Linder.

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Linder, N., Hernandez, A., Amit, L. et al. Persistent coagulase-negative staphylococci bacteremia in very-low-birth-weight infants. Eur J Pediatr 170, 989–995 (2011). https://doi.org/10.1007/s00431-010-1387-0

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  • DOI: https://doi.org/10.1007/s00431-010-1387-0

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