Early Indicators of Valve Failure Detected One Year Post-Transcatheter Aortic Valve Implantation
A study has identified early signs of heart valve deterioration within one year following transcatheter aortic valve implantation (TAVI), raising concerns about device longevity in younger patients.
A recent study published in The Annals of Thoracic Surgery has revealed that over 6% of patients experience early hemodynamic valve deterioration (HVD) just one year after undergoing transcatheter aortic valve implantation (TAVI). This finding highlights potential concerns regarding the long-term durability of TAVI devices, particularly in younger and lower-risk individuals.
The research, which analyzed a decade of procedural data from 2012 to 2022 involving 2,123 patients with complete echocardiographic follow-up, identified that younger patients with smaller aortic annuli are more susceptible to early HVD. Notably, smaller prosthetic valves were associated with a higher risk of deterioration, while larger valves appeared to provide a protective effect.
Lead researcher Eishan Ashwat, a medical student at the University of Pittsburgh School of Medicine, emphasized the importance of proper valve sizing and ongoing follow-up, especially as TAVI becomes more common among healthier, younger patients. "Early detection of hemodynamic deterioration can serve as an important predictor for potential reinterventions and influence patient outcomes," said Ashwat.
Patients exhibiting 1-year HVD had a nearly fourfold increase in five-year reintervention rates (2.3% compared to 0.6%). Additionally, individuals with prior surgical aortic valve replacement (AVR) were independently at higher risk for early HVD. These insights suggest that careful consideration of valve choice and patient-specific factors such as anatomy and medical history is crucial in managing long-term outcomes.
The study utilized the latest Valve Academic Research Consortium-3 (VARC-3) criteria to assess valve function and structural integrity, ensuring contemporary standards are applied in evaluating bioprosthetic durability.
This research underscores the need for vigilant post-procedural monitoring and may influence future strategies for valve selection, aiming to enhance the durability and safety of TAVI procedures in diverse patient populations.
Source: https://medicalxpress.com/news/2025-08-early-valve-failure-year-transcathet
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