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August 13, 2026International Journal of Gynecology & Obstetrics

Evaluation of fetal left cardiac function by Tei index at different cardiac cycles: An observational study

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Implication

Observational analysis validates a new method for measuring fetal cardiac function using the Tei index, indicating increased accuracy and efficiency.

Key Points

  • This study aims to validate a new method for measuring the fetal left cardiac Tei index and assess its accuracy and reproducibility.
  • Retrospective observational analysis of 50 healthy singleton pregnancies between 22 and 39 weeks gestation.
  • Measurements were taken by two obstetricians using both conventional and new methods across cardiac cycles.
  • Comparison of consistency with normal ranges, interobserver variability, measurement time, and technical factors like maternal BMI and insonation angle.
  • Tei index values from different cardiac cycles were consistent with conventional values, within normal ranges.
  • Interobserver variability did not show a significant difference.
  • Measurement time was significantly shorter with the new method; values remained stable across varying maternal BMI.

Cite This Study

A 2026 study studied this question.

synapsesocial.com/papers/6a7d75ad2b0e0cff3f63e80ahttps://doi.org/10.1002/ijgo.71277
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Fetal cardiac function assessed by Doppler myocardial performance index (Tei Index)2003 · 211 citations
  2. 2Validation of the fetal myocardial performance index in the second and third trimesters of gestation2008 · 82 citations
  3. 3Gestational‐age‐adjusted reference values for the modified myocardial performance index for evaluation of fetal left cardiac function2007 · 159 citations
  4. 4Normal Reference Ranges from 11 to 41 Weeks’ Gestation of Fetal Left Modified Myocardial Performance Index by Conventional Doppler with the Use of Stringent Criteria for Delimitation of the Time Periods2012 · 103 citations
  5. 5Fetal left modified myocardial performance index: technical refinements in obtaining pulsed‐Doppler waveforms2011 · 50 citations