For many people living with severe aortic stenosis, the heart's main valve becomes narrowed and stiff, making it harder for blood to flow through. This condition can cause serious symptoms like fatigue or shortness of breath. When it is time to treat the valve, doctors often choose between two main methods: traditional open-heart surgery or a less invasive procedure called TAVR (transcatheter aortic valve replacement). Because both options are common, patients and their families often want to know which one offers better long-term results.
A large study followed 1,414 patients who were at low risk for surgery but had severe symptoms. The researchers split these patients into two groups: 730 received the TAVR procedure, and 684 underwent traditional surgery. They tracked the patients for up to six years to see how well each treatment worked over time.
The primary goal was to see if one method resulted in fewer deaths or strokes compared to the other. The results showed that both methods were very similar in this regard. At the six-year mark, the rate of death or disabling stroke was 23.3% for those who had TAVR and 20.4% for those who had surgery. This small difference was not considered statistically significant, meaning both procedures performed well at keeping patients safe from major events.
However, the study did find a difference in how often patients needed more procedures later on. At the six-year mark, about 5.5% of TAVR patients needed a follow-up procedure compared to 3.3% of surgery patients. When looking at data available for seven years, this gap became clearer: nearly 10% of TAVR patients needed a second procedure, while only 6% of surgery patients did. Most of these extra procedures for the TAVR group were specifically to fix issues with blood leaking backward (regurgitation).
It is important to keep these findings in perspective. While the data suggests that TAVR might require more follow-up work over several years, it does not mean the procedure is less effective at treating the initial problem. The difference in survival rates was very small. Furthermore, because this study only looked at a specific group of low-risk patients, the results may not apply to everyone. Patients should talk with their doctors about these findings to decide which path best fits their personal health needs and preferences.
