Release date: 2015-10-15
you saw it? Can you not see it again? A new type of cardiac stent has recently passed its first test in a large study that resembles a dissolvable suture that gradually dissolves and disappears as it completes its task.
In this one-year study, Abbott Vascular developed a dissolvable absorption scaffold that satisfactorily completed the task of a traditional scaffold, but it did not perform better, a fact that some experts remain vigilant. However, the results of this stent and the ongoing testing of other new stents are still fueling hopes for a new generation of cardiac stent devices that will benefit 850,000 heart patients each year in the United States.
The heart stent is a small mesh cage device that prevents vascular occlusion from recurring in patients undergoing angioplasty. The stents currently used in the United States are permanent implants made of metal and are usually wrapped with materials that release the drug slowly, but metal stents sometimes cause inflammation and other problems.
Currently, such dissolvable absorbent stents have been used in Europe. These stents are made of degradable materials and can remain stable and release drugs within one year. In the next two years, such stents will Gradually dissolve.
The study included 2,000 patients with chest pain due to vascular occlusion, with patients treated with soluble stents treated the same as those with conventional Xience stents, and one year later, 6% to 7% of the two groups died of the heart. Patients with related diseases cause heart failure due to problems with the arteries after treatment or require new arterial open surgery.
Although this new soluble stent does not perform better on some indicators, this trend is unstoppable. The concept of a soluble stent is very appealing, but pure hope does not allow us to accept this technology unconditionally. Whether this hope will really become a reality requires a longer-term, more sampled study to further confirm.
Source: Bio Valley
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