Nomograms of Iranian fetal middle cerebral artery Doppler waveforms and uniformity of their pattern with other populations' nomograms
2008

Doppler Waveforms of Fetal Middle Cerebral Artery in Iranian Pregnancies

Sample size: 1037 publication Evidence: high

Author Information

Author(s): Tarzamni Mohammad Kazem, Nezami Nariman, Sobhani Narges, Eshraghi Nazanin, Tarzamni Maryam, Talebi Yashar

Primary Institution: Tabriz University of Medical Sciences

Hypothesis

The study aims to establish normal values and nomograms for Doppler flow velocity indices of the middle cerebral artery (MCA) in Iranian pregnancies and compare them with other populations.

Conclusion

The study found that certain Doppler indices decreased while others increased as gestational age progressed, with similar patterns observed in other populations.

Supporting Evidence

  • Doppler flow velocity waveform analysis can predict at-risk fetuses in high-risk pregnancies.
  • The study established normal values for MCA Doppler indices in Iranian pregnancies.
  • The findings showed a parabolic pattern for certain indices as gestational age progressed.
  • The study's results were consistent with findings from other populations.

Takeaway

Doctors looked at blood flow in babies' brains during pregnancy to see how healthy they are, and they found some patterns that are similar to other countries.

Methodology

This was a descriptive cross-sectional study involving 1037 normal pregnant women who underwent MCA Doppler studies between 20 and 40 weeks of gestation.

Potential Biases

Potential bias may arise from using a single investigator for Doppler assessments.

Limitations

The study excluded women with certain conditions, which may limit the generalizability of the findings.

Participant Demographics

Participants were normal pregnant women aged between 20 and 40 weeks of gestation from a low-risk population.

Statistical Information

P-Value

0.000

Confidence Interval

95% confidence interval constructed for each parameter.

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2393-8-50

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