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Biomarkers of endothelial dysfunction predict sepsis mortality in young infants: a matched case-control study.


ABSTRACT: BACKGROUND:Reducing death due to neonatal sepsis is a global health priority, however there are limited tools to facilitate early recognition and treatment. We hypothesized that measuring circulating biomarkers of endothelial function and integrity (i.e. Angiopoietin-Tie2 axis) would identify young infants with sepsis and predict their clinical outcome. METHODS:We conducted a matched case-control (1:3) study of 98 young infants aged 0-59 days of life presenting to a referral hospital in Bangladesh with suspected sepsis. Plasma levels of Ang-1, Ang-2, sICAM-1, and sVCAM-1 concentrations were measured at admission. The primary outcome was mortality (n?=?18); the secondary outcome was bacteremia (n?=?10). RESULTS:Ang-2 concentrations at presentation were higher among infants who subsequently died of sepsis compared to survivors (aOR 2.50, p =?0.024). Compared to surviving control infants, the Ang-2:Ang-1 ratio was higher among infants who died (aOR 2.29, p =?0.016) and in infants with bacteremia (aOR 5.72, p =?0.041), and there was an increased odds of death across Ang-2:Ang-1 ratio tertiles (aOR 4.82, p =?0.013). CONCLUSIONS:This study provides new evidence linking the Angiopoietin-Tie2 pathway with mortality and bacteremia in young infants with suspected sepsis. If validated in additional studies, markers of the angiopoietin-Tie2 axis may have clinical utility in risk stratification of infants with suspected sepsis.

SUBMITTER: Wright JK 

PROVIDER: S-EPMC5866512 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature

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Biomarkers of endothelial dysfunction predict sepsis mortality in young infants: a matched case-control study.

Wright Julie Korol JK   Hayford Kyla K   Tran Vanessa V   Al Kibria Gulam Muhammed GM   Baqui Abdullah A   Manajjir Ali A   Mahmud Arif A   Begum Nazma N   Siddiquee Mashuk M   Kain Kevin C KC   Farzin Azadeh A  

BMC pediatrics 20180323 1


<h4>Background</h4>Reducing death due to neonatal sepsis is a global health priority, however there are limited tools to facilitate early recognition and treatment. We hypothesized that measuring circulating biomarkers of endothelial function and integrity (i.e. Angiopoietin-Tie2 axis) would identify young infants with sepsis and predict their clinical outcome.<h4>Methods</h4>We conducted a matched case-control (1:3) study of 98 young infants aged 0-59 days of life presenting to a referral hospi  ...[more]

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