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Updated: Aug 8, 2026
06:32
Evaluation of Coronary Flow Reserve After Myocardial Ischemia Reperfusion in Rats
Published on: June 28, 2019
Coronary Physiology as an important adjunct to coronary intervention
1Department of Internal Medicine, Division of Cardiology, Saint Louis University Health Sciences Center, St. Louis, Missouri 63110, USA.
Drugs of Today (Barcelona, Spain : 1998)
|July 9, 2003
Summary
Sensor-tipped guidewires safely assess coronary stenosis physiology before interventions. Measurements like coronary flow velocity reserve (CVR) and fractional flow reserve guide treatment decisions and predict long-term outcomes after procedures.
Area of Science:
- Cardiology
- Interventional Cardiology
- Physiology
Background:
- Coronary stenosis assessment is crucial for guiding interventions.
- Intermediate lesions often pose diagnostic challenges.
- Physiologic assessment provides objective data beyond angiography.
Purpose of the Study:
- To evaluate the utility of sensor-tipped guidewires for assessing coronary stenosis physiology.
- To determine if pre-intervention measurements guide treatment decisions for de novo and restenotic lesions.
- To assess the prognostic value of these measurements post-intervention.
Main Methods:
- Utilized sensor-tipped angioplasty guidewires.
- Measured poststenotic absolute coronary flow velocity reserve (CVR) and relative CVR.
- Calculated pressure-derived fractional flow reserve (FFR).
Main Results:
- Physiologic assessment of coronary stenosis is feasible and safe prior to intervention.
- Measurements support decision-making for intermediate lesions.
- Post-intervention measurements offer prognostic information for clinical outcomes.
Conclusions:
- Sensor-tipped guidewires provide valuable physiologic data for coronary interventions.
- These data aid in planning interventions and predicting long-term outcomes.
- Objective physiologic assessment complements angiographic evaluation.
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