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Catheter ablation of most arrhythmias has a high success rate. Success rates for WPW syndrome have been as high as 95% [ 2 ] For Supraventricular tachycardia (SVT), single procedure success is 91% to 96% (95% Confidence Interval) and multiple procedure success is 92% to 97% (95% Confidence Interval). [ 3 ]
A pulmonary homograft (a pulmonary valve taken from a cadaver) is then used to replace the patient's own pulmonary valve. This procedure was first performed in 1967 and is used primarily in children, as it allows the patient's own pulmonary valve (now in the aortic position) to grow with the child. [17] Tissue valves can last 10–20 years. [18]
English: Chart of life expectancy as a function of current age (age achieved) showing how life expectancy increases with age already achieved Data source: Actuarial Life Table. U.S. Social Security Administration Office of Chief Actuary (2020). Archived from the original on July 8, 2023.
New types of catheters, such as lattice and saline-enhanced radiofrequency catheters, provide more precise and longer-lasting tissue damage. Additionally, cardiac imaging technologies like MRI can help identify abnormal areas causing arrhythmias and evaluate the success of the ablation procedure. [24]
Researchers from Mass General Brigham, a health care system in Boston, Massachusetts, shared with Fox News Digital some of the scientific developments and breakthroughs they expect to see in 2025.
The rationale for age-based recommendations is that surgical aortic valve replacements are known to be durable long-term (average of durability of 20 years), so people with longer life expectancy would be at higher risk if TAVI durability is worse than surgery. [9]
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