Which Is Better: TAVR or Open Heart Surgery?

Aortic valve disease occurs when the heart’s aortic valve, which regulates blood flow from the heart to the body, does not function correctly. This can happen if the valve becomes narrowed (aortic stenosis) or leaks (aortic regurgitation), making the heart work harder to pump blood. Over time, this can lead to symptoms such as chest pain, shortness of breath, and fatigue. When symptoms become severe, replacing the damaged valve becomes necessary to improve heart function and quality of life. Understanding the available treatment options, Transcatheter Aortic Valve Replacement (TAVR) and traditional open-heart surgery, is important.

Transcatheter Aortic Valve Replacement Explained

Transcatheter Aortic Valve Replacement (TAVR) is a minimally invasive procedure to replace a diseased aortic valve. Instead of opening the chest, a new valve is delivered to the heart using a thin, flexible tube called a catheter. This catheter is often inserted through a small incision in the leg, typically the femoral artery, and then guided up to the heart. Once at the old valve site, the new valve, usually made of animal tissue, is precisely positioned and expanded within the diseased valve. The old valve is pushed aside, and the new valve takes over its function, restoring proper blood flow.

Traditional Open Heart Aortic Valve Surgery Explained

Traditional open-heart aortic valve surgery, also known as Surgical Aortic Valve Replacement (SAVR), is a conventional and more invasive procedure for replacing a damaged aortic valve. During SAVR, the surgeon makes a significant incision, typically 6 to 10 inches long, down the center of the chest. The breastbone is then divided to allow direct access to the heart. The patient is connected to a heart-lung bypass machine, which temporarily takes over the heart and lung functions, allowing the heart to be stopped for surgery. The diseased aortic valve is then removed, and a new artificial valve, either mechanical or tissue-based, is sewn into its place. After the new valve is secured, the heart is restarted, the patient is disconnected from the bypass machine, and the chest incision is closed.

Comparing the Procedures and Patient Selection

The choice between TAVR and open-heart surgery largely depends on individual patient factors. TAVR is less invasive, using smaller incisions compared to the larger sternotomy for SAVR, which impacts hospital stay and recovery. Patient profiles are key in determining the most suitable procedure. TAVR was initially for high-risk patients (due to age or other health conditions) but its use has expanded. It is often favored for older patients (typically over 65) or those with multiple co-existing medical conditions that make traditional surgery risky. SAVR might be preferred for younger, lower-risk patients or those with complex heart conditions requiring repairs not feasible with a catheter-based approach. Anatomical considerations, such as blood vessel size, also influence the decision.

Recovery After Valve Replacement

Recovery timelines differ notably between TAVR and open-heart surgery. TAVR generally leads to a shorter hospital stay, often one to three days. Patients typically experience less pain and can return to daily activities within days or weeks, with full recovery taking one to two months. Activity restrictions are usually minimal, primarily avoiding heavy lifting for about a week. In contrast, recovery from traditional open-heart surgery is more extensive. Hospital stays typically range from five to seven days or longer. Home recovery can take two to three months, primarily due to breastbone healing (six to twelve weeks). Patients often experience more significant pain and discomfort, requiring careful pain management. Activity restrictions are more stringent and prolonged, including limits on lifting and driving for weeks to months. Cardiac rehabilitation is a common and important part of the recovery process for both procedures, aiding in a gradual return to activity.

Consulting Your Healthcare Team

This information offers a general understanding of TAVR and traditional open-heart surgery but cannot replace personalized medical advice. The decision for aortic valve disease treatment is complex and highly individualized. A thorough consultation with a multidisciplinary heart team (cardiologists, cardiac surgeons, and other specialists) is crucial to assess an individual’s health, risks, and anatomy. Open discussion with your healthcare providers ensures all concerns are addressed and the best treatment strategy is chosen.