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Related Experiment Videos

D G Gognieva1, A L Syrkin, Yu V Vassilevski

  • 1Sechenov First Moscow State Medical University. dashkagog@maiI.ru.

Kardiologiia
|January 10, 2019
PubMed
Summary

Noninvasive fractional flow reserve (FFR) assessment using CT angiography offers a radiation-free alternative to invasive methods. This approach shows promise for accurately detecting ischemia-causing lesions without additional patient burden.

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Area of Science:

  • Cardiovascular imaging
  • Interventional cardiology
  • Computational fluid dynamics

Background:

  • Invasive fractional flow reserve (FFR) is a key diagnostic tool for ischemia-causing lesions.
  • Invasive FFR values <0.75 indicate high specificity (100%), while values >0.80 show high sensitivity (>90%).
  • Current limitations of invasive FFR include its invasive nature.

Purpose of the Study:

  • To review the potential of noninvasive FFR assessment.
  • To evaluate computational fluid dynamics and computer simulations for noninvasive FFR.
  • To discuss the findings of major clinical studies and future prospects.

Main Methods:

  • Utilizing data from CT angiography performed under standard protocols.
  • Employing computational fluid dynamics and computer simulations for analysis.

Related Experiment Videos

  • Reviewing results from randomized multicenter studies (DISCOVER, NXT, DEFACTO, PLATFORM).

    • Main Results:

    • Noninvasive FFR assessment can be performed without additional radiation or medication.
    • The method leverages standard CT angiography data.
    • Studies like DISCOVER, NXT, DEFACTO, and PLATFORM provide insights into its efficacy.

    Conclusions:

    • Noninvasive FFR holds significant promise as a diagnostic tool.
    • It offers a safer and more accessible alternative to invasive FFR.
    • Further development and validation are ongoing, with promising prospects.