The FDA has given the green signal to the marketing and usage of the world’s first absorbable stent.
The FDA does not approve of any food item or drug until it has verified everything regarding its safety for human consumption. Today, it has given the go-ahead signal for the first-ever absorbable stent. It will come in handy in the treatment of coronary artery disease.
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Termed the Absorb GT1 Bioresorbable Vascular Scaffold System (BVS), it gives off the drug everolimus which retards the formation of scar tissue. Also the stent is absorbed by the body slowly and steadily over the course of three years.
This approval by the FDA is of great significance since the absorbable stent is a novel treatment method for people who are ideal candidates for angioplasty.
The fact that the stent is absorbable means that those individuals who fear the interventionist scheme of having a foreign metal stent in their bodies would prefer this new method of prophylaxis.
Coronary heart disease (CHD) claims as many as 370,000 lives every year in the United States. This ailment becomes severe when cholesterol plaque deposits develop along the inner walls of blood vessels. Thus the passage of blood to the heart, which is responsible for pumping it to the rest of the body, is restricted.
Among some of the symptoms of CHD may be included: angina, breathing problems, tiredness and other aches and pains. Normally CHD is treated via a metal stent that widens the artery. This procedure is called angioplasty.
However, due to the formation of scar tissue, the stent can prove to be useless in the long run since the arteries become narrower once again. This absorbable stent releases a substance that prevents scar tissue from forming with the passage of time.
The special stent is constructed from a biodegredable polymer. This is the same as is used in the manufacture of sutures. After the absorption of the stent, all that remains is four tiny platinum markers that are fixed in the artery walls.
These lend the doctors a view into where the absorbable stent was located in the body in the first place. Experiments have proved the efficacy of this absorbable stent. The only catch is a rare condition where the absorbable stent is rejected by the body. This is due to an allergic reaction.
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Also infection, irritation and bleeding at the site of the stent are a few more complications that sometimes appear in the course of treatment. Those individuals who are hypersensitive or allergic to the stent ought to look elsewhere for treating their condition.