Decoding High Post-TAVR Gradients: Insights From 4 Clinical Scenarios
Federico Arturi1, Francesco Cardaioli1, Giuseppe Tarantini1
1Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua Medical School, Padua, Italy.
JACC. Case Reports
|January 31, 2025
Summary
High gradients after transcatheter aortic valve replacement are common. This case series offers a multiparametric approach to interpret these findings using echocardiography and hemodynamic evaluation.
Area of Science:
- Cardiovascular Imaging
- Interventional Cardiology
- Prosthetic Heart Valves
Background:
- Echocardiography is crucial for assessing bioprosthetic valve function post-transcatheter aortic valve replacement (TAVR).
- Elevated echocardiographic gradients are frequently observed and require careful interpretation.
- Understanding the causes of high gradients is essential for optimal patient management.
Observation:
- This case series focuses on interpreting high residual gradients after TAVR.
- Four common clinical scenarios are examined: pressure recovery, high-flow state, prosthesis-patient mismatch, and suboptimal valve expansion.
- Each scenario involves detailed echocardiographic analysis and invasive hemodynamic assessment.
Findings:
- A multiparametric approach is proposed for diagnosing the cause of elevated gradients.
- The study correlates echocardiographic findings with invasive hemodynamic data.
- This systematic evaluation aids in differentiating various causes of high gradients.
Implications:
- Provides a practical framework for clinicians managing TAVR patients with high gradients.
- Enhances the diagnostic accuracy of echocardiography in evaluating bioprosthetic valves.
- Aids in guiding clinical decisions and optimizing outcomes after TAVR.
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