Minimally Invasive Aortic Valve Replacement Surgery

Published Date : Jul 16, 2014

What is a Transcatheter Aortic Valve Replacement (TAVR)?

Heart is a four-chambered organ which pumps blood to the lungs and to the entire body. Four working valves are involved in the job called aortic, pulmonic, mitral, and tricuspid valves. These valves help to flow the blood from one chamber of the heart to another with the help of pressure and muscle movements.

In case the heart\'s valves become damaged or diseased, it can be fatal for a person and major surgery is required to repair the valves. One such surgical procedure which is used is the transcatheter aortic valve replacement. In this procedure, the valve is folded up and passed through an artery and into a heart, and enlarged in place.

Devices called stents are used to pass through arteries and expanded using balloons. Stents are used to open up clogged arteries or arteries which have narrowed with age or diseases. In the surgical procedure, transcatheter aortic valve replacement Market [], the valve is placed inside metal scaffolding known as a stent. This assembly is normally combined with a catheter that gets inserted into a femoral artery in the leg or in the artery through a chest incision.

Surgical Procedure

A stent made of metal can be opened by the surgeon once the device is placed within the damaged aortic valve. There are special X-ray machines which help surgeons to see where the device is placed. Once the metal stent is opened, the device is usually fixed in place without any stitches. This means no bypass surgery is typically required.

People who undergo TAVR procedure can sometimes experience strokes or heart attacks, and some patients might require a pacemaker after a surgery. Many patients with serious heart conditions can live longer with the implanted valve. Research is going on how to reduce the complications after the procedure. Patients who undergo this procedure generally have advanced heart disease and are not suitable to undergo traditional surgery. In such cases, valve replacement can become a long-term solution to patients and help them live longer.

Global Transcatheter Aortic Valve Replacement Industry

The global heart valve market is focused on the elderly consumers. This is because the heart valve replacement devices are mostly used by the elderly, as this age group suffers from the various heart disorders. Heart valves are categorized into three major categories which are tissue, mechanical, and biological. Due to the introduction of the latest minimally invasive devices and the rise in the number of surgeries, and innovative technologies; the market for global heart valve devices is expected to grow a good deal.

Transcatheter aortic valve implant (TAVI) is a type of heart valve device which promises a high growth rate in all the segments of the market. The introduction of transcatheter valves will also help to drive the procedure volumes in patients where surgery earlier was not possible due to high health risks. During 2011, the Food and Drug Administration (FDA) gave approval to the Edwards Life Science valve device called SAPIEN to make the surgical procedure more convenient. Some of the major key players in this market are Edwards Life Sciences, Medtronic, and St. Jude Medical which contribute to a total market share of almost 70%.

A market research intelligence organization has forecasted that the global heart valve devices market is expected to grow at a CAGR of 7% during the period 2009 to 2016. This market was estimated at USD 1.26 billion in the year 2011. The market is further expected to grow due to the durable nature of heart tissue valves. This will drive the market adoption among patients who are younger. The market is expected to reach a total value of USD 1.7 billion in the year 2015.

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