• J. Matern. Fetal. Neonatal. Med. · Jan 2020

    Observational Study

    Mean platelet volume in preterm: a predictor of early onset neonatal sepsis.

    • Hebatallah A Shaaban and Nesma Safwat.
    • Department of Pediatrics, Faculty of Medicine, Ain Shams University, Cairo, Egypt.
    • J. Matern. Fetal. Neonatal. Med. 2020 Jan 1; 33 (2): 206-211.

    AbstractBackground: Early onset sepsis (EOS) is potentially life-threatening problem especially in preterm. EOS diagnosis is challenging due to its non-specific signs and laboratory tests. Mean platelet volume (MPV) has been used as predictor of many inflammatory diseases.Objectives: To assess the correlation between serial MPV measurement and EOS occurrence in preterm infants and to determine MPV effectiveness in combination with C reactive protein (CRP) to diagnose EOS and mortality prediction.Methods: The study was carried out on 95 preterm infants with antenatal risk factor for EOS. Blood samples were taken for complete blood count (CBC) including MPV evaluated at birth (cord blood) and at 72 h of life. CRP analyzed on days 1 and 3, subsequently patients were identified in two groups: sepsis (n = 28) and no-sepsis (n = 67).Results: MPV was significantly higher on both day 1 (10.23 ± 0.92) fl and day 3 (10.77 ± 1.16) fL in the sepsis group compared with no-sepsis (8.11 ± 0.29) fl and (8.53 ± 0.42) fl, respectively. MPV of 8.6 fL was identified as cut off value in patients probably resulting in sepsis with a sensitivity of 97.14% and a specificity of 100%. MPV of 10.4 fl was determined as cut off value in patients possibly resulting in death with a sensitivity of 70% and a specificity of 82.5%. The combination of both MPV and CRP on day 1 resulted in improving performance of MPV with higher negative predictive value (93.1%) and higher sensitivity (80%).Conclusion: High cord blood and day 3 MPV can be used as surrogate marker for prediction of EOS and associated mortality in preterm neonates.

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