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A coronary stent is a tube-shaped device placed in the coronary arteries that supply blood to the heart, to keep the arteries open in patients suffering from coronary heart disease. The vast majority of stents used in modern interventional cardiology are drug-eluting stents (DES). They are used in a medical procedure called percutaneous ...
According to a study by Eagle et al., patients 50–59 years old have an operative mortality rate of 1.8%, while patients older than 80 have a rate of 8.3%. [33] Other factors that increase mortality are being female, re-operation, dysfunction of the left ventricle, and left main disease . [ 33 ]
Rates of restenosis differ between devices (e.g., stent-grafts, balloon angioplasty, etc.) and location of procedure (i.e., centrally located in the heart, such as the coronary artery, or in peripheral vessels such as the popliteal artery in the leg, the pudendal artery in the pelvis, or the carotid artery in the neck). [citation needed]
As with any procedure involving the heart, complications can sometimes, though rarely, cause death. The mortality rate during angioplasty is 1.2%. [17] Sometimes chest pain can occur during angioplasty because the balloon briefly blocks off the blood supply to the heart. The risk of complications is higher in: [18] People aged 65 and older
While stenting has been shown to reduce chest pain (angina) and improve survival rates after a heart attack, its effectiveness in stable angina patients has been debated. Studies have found that most heart attacks occur due to plaque rupture rather than an obstructed artery that would benefit from a stent.
Long-term survival rates for children with single ventricle physiology are improving as medical and surgical advancements continue. In the major SVR trial (Single Ventricle Reconstruction) the transplant-free survival rate was only 54-59% amongst patients who underwent the Norwood procedure. [ 32 ]
The Killip classification is a system used in individuals with an acute myocardial infarction (heart attack), taking into account physical examination and the development of heart failure in order to predict and stratify their risk of mortality. Individuals with a low Killip class are less likely to die within the first 30 days after their ...
A high mortality rate is associated with coronary heart disease. It is the leading cause of death in the United States, accounting for 26.6% of all death in 2005. [ 13 ] Another study in the United States estimates that coronary heart disease has the greatest prevalence amongst people aged 65 years or over (19.8% in 2010), [ 14 ] followed by ...
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