How long do bioprosthetic valves typically last compared to mechanical valves?

Bioprosthetic valves are designed to mimic the natural function of heart valves and are made from biological tissues. Unlike mechanical valves, which are constructed from durable materials and are designed for long-term use, bioprosthetic valves have a shorter lifespan due to their biological nature. Typically, bioprosthetic valves are expected to last around 10-12 years, making them a suitable option for older patients or those who may not require the longer lifespan offered by mechanical valves.

Mechanical valves are constructed from materials such as titanium or carbon and are designed to last significantly longer, often ranging from 15-20 years. This durability comes at the expense of requiring lifelong anticoagulation therapy to prevent thrombosis, which is a critical consideration in patient care.

Understanding the lifespan of these valves is essential for patients and healthcare professionals when making decisions about valve replacement procedures, taking into account factors such as age, lifestyle, and the risks associated with anticoagulation therapy.