Research shows that having a stent or stents put in now along with standard drug therapy significantly reduces the need for emergency interventions later, compared with treating stable CAD with medications alone. Determining when a stent is needed in someone with stable CAD and when medications and healthy lifestyle are still adequate depends on the severity of symptoms. Doctors consider the desired activity level of the individual (active versus sedentary), the type and number of blockages in the artery, and the presence or absence of other medical conditions, such as weak heart muscle.
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