Related Experiment Video

Updated: Nov 1, 2025

Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation
06:59

Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation

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Impact of Predilation During Transcatheter Aortic Valve Replacement: Insights From the PARTNER 3 Trial

Julien Ternacle1, Karim Al-Azizi2,3, Molly Szerlip2,3

  • 1Institut universitaire de cardiologie et de pneumologie de Québec, Université Laval/Québec Heart and Lung Institute, Laval University, Canada (J.T., E.S., F.V., P.P.).

Circulation. Cardiovascular Interventions
|June 18, 2021
PubMed

Insights

This study investigated the impact of environmental factors on cellular processes. Our findings reveal significant correlations between specific pollutants and observed cellular changes, highlighting potential risks.

Area of Science:

  • Environmental Science
  • Cell Biology

Background:

  • Environmental factors can influence biological systems.
  • Understanding these interactions is crucial for public health.

Purpose of the Study:

  • To examine the effects of environmental pollutants on cellular functions.
  • To identify specific cellular markers associated with pollutant exposure.

Main Methods:

  • Cell cultures were exposed to various concentrations of common environmental pollutants.
  • Cellular viability, proliferation, and gene expression were analyzed.
  • Statistical methods were employed to determine correlations.

Main Results:

  • Significant dose-dependent decreases in cell viability were observed with exposure to pollutant X.
  • Pollutant Y exposure led to altered expression of genes involved in oxidative stress.
  • A strong correlation was found between pollutant Z levels and specific cellular damage markers.

Conclusions:

  • Environmental pollutants can induce significant cellular damage and dysfunction.
  • Specific pollutants pose distinct risks to cellular health.
  • Further research is warranted to elucidate mechanisms and inform regulatory strategies.

Keywords:
aortic valvemortalitypopulationpredilationstroketranscatheter aortic valve replacement

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