Levels of soluble fms-like tyrosine kinase one in first trimester and outcomes of pregnancy: a systematic review
2011

sFlt-1 Levels in Early Pregnancy and Pregnancy Outcomes

Sample size: 12 publication Evidence: low

Author Information

Author(s): Marni Jacobs, Natasha Nassar, Christine L Roberts, Ruth Hadfield, Jonathan M Morris, Anthony W Ashton

Primary Institution: University of Sydney, Royal North Shore Hospital

Hypothesis

Are levels of sFlt-1 in early pregnancy associated with adverse pregnancy outcomes?

Conclusion

This review found no clear evidence of an association between sFlt-1 levels in the first trimester and adverse pregnancy outcomes.

Supporting Evidence

  • Levels of sFlt-1 were generally higher among women who developed preeclampsia.
  • Most studies did not find significant differences in sFlt-1 levels between normotensive and hypertensive women.
  • Variability in sFlt-1 concentrations was observed across different studies.

Takeaway

The study looked at a protein called sFlt-1 in pregnant women to see if it could predict problems during pregnancy, but it didn't find strong evidence that it could.

Methodology

A systematic review of studies assessing sFlt-1 levels in the first trimester and their association with pregnancy complications.

Potential Biases

Differences in participant characteristics and exclusion criteria across studies may introduce bias.

Limitations

Variations in study design, sample types, and outcome definitions limited the ability to pool results.

Participant Demographics

Pregnant women in their first trimester, with varying health backgrounds.

Digital Object Identifier (DOI)

10.1186/1477-7827-9-77

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