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  • Title: Platelet counts, MPV and PDW in culture proven and probable neonatal sepsis and association of platelet counts with mortality rate.
    Author: Ahmad MS, Waheed A.
    Journal: J Coll Physicians Surg Pak; 2014 May; 24(5):340-4. PubMed ID: 24848393.
    Abstract:
    OBJECTIVE: To determine frequency of thrombocytopenia and thrombocytosis, the MPV (mean platelet volume) and PDW (platelet distribution width) in patients with probable and culture proven neonatal sepsis and determine any association between platelet counts and mortality rate. STUDY DESIGN: Descriptive analytical study. PLACE AND DURATION OF STUDY: NICU, Fazle Omar Hospital, from January 2011 to December 2012. METHODOLOGY: Cases of culture proven and probable neonatal sepsis, admitted in Fazle Omar Hospital, Rabwah, were included in the study. Platelet counts, MPV and PDW of the cases were recorded. Mortality was documented. Frequencies of thrombocytopenia (< 150000/mm3) and thrombocytosis (> 450000/mm3) were ascertained. Mortality rates in different groups according to platelet counts were calculated and compared by chi-square test to check association. RESULTS: Four hundred and sixty nine patients were included; 68 (14.5%) of them died. One hundred and thirty six (29%) had culture proven sepsis, and 333 (71%) were categorized as probable sepsis. Thrombocytopenia was present in 116 (24.7%), and thrombocytosis was present in 36 (7.7%) cases. Median platelet count was 213.0/mm3. Twenty eight (27.7%) patients with thrombocytopenia, and 40 (12.1%) cases with normal or raised platelet counts died (p < 0.001). Median MPV was 9.30, and median PDW was 12.30. MPV and PDW of the patients who died and who were discharged were not significantly different from each other. CONCLUSION: Thrombocytopenia is a common complication of neonatal sepsis. Those with thrombocytopenia have higher mortality rate. No significant difference was present between PDW and MPV of the cases who survived and died.
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