Background: The pathogenesis of bronchopulmonary dysplasia (BPD) is attributed to the arrested lung development in premature infants. Studies showed the negative impact of inflammatory markers on the developing lung with higher levels of IL1, 6 and 8. Platelets contribute to the acute phase response of inflammation and are a direct source of IL-1β.
Methods: We conducted a retrospective data review of all preterm babies with gestational age (GA) <32 weeks admitted to NICU to assess the relationship between platelet parameters in the first 2 weeks of life with the incidence and severity of BPD in very low birth weight (VLBW) neonates.
Results: Of 114 screened newborns, 92 were included after exclusion criteria. Of these, 62 (67.3%) developed BPD. Mean platelet count (PC) (P=0.008) and mean platelet mass index (PMI) (P=0.027) were significantly lower and mean platelet volume (MPV) (P=0.016) was significantly higher in the BPD group. The highest difference between groups was observed at 2 week of life for PC and PMI and at 1 week for MPV. Using multivariate logistic analysis, only PC (P=0.017) showed statistical significance. MPV and PMI showed a positive interaction but did not achieve significance (P=0.066 for both).
Conclusions: We concluded that platelet parameters in the first 2 weeks of life were associated with the incidence of BPD in VLBW neonates. PC may also predict the severity of BPD in these infants.
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