Most people who receive a coronary stent are in their mid-60s. Large registries consistently place the mean age somewhere between 64 and 67 years, though the spread is wide enough that cardiologists routinely stent patients in their 40s and in their 90s. That average has also been creeping upward over the past few decades as populations age and interventional techniques improve, making it safe to treat older and sicker patients than ever before.
Where the Mid-60s Number Comes From
The “average age” for getting a stent is not drawn from one study but from decades of hospital registries tracking hundreds of thousands of procedures. A large U.S. cohort of patients receiving drug-eluting coronary stents reported a mean age of about 64.5 years, with roughly two-thirds of patients being men.1PubMed. Impact of “nuisance” bleeding on clopidogrel compliance in patients undergoing intracoronary drug-eluting stent implantation A separate analysis of more than 426,000 Medicare patients who underwent coronary stenting found a similar profile, with all patients aged 65 or older and women making up about 42% of the total.2Circulation. Short- and long-term outcomes of coronary stenting in women versus men: results from the National Cardiovascular Data Registry Centers for Medicare & Medicaid services cohort These figures align with the broader reality that coronary artery disease peaks in frequency during the 60s and 70s, making those decades the most common time window for stent placement.
The standard deviation around that mid-60s mean is usually around 11 to 12 years, which tells you that a large minority of stent recipients are in their 50s or their late 70s. The bell curve has a long tail on both sides.
The Average Has Been Rising Over Time
If you had asked this question in 1990, the answer would have been different. Sweden’s national angiography and angioplasty registry, which tracks every coronary intervention performed in the country, documented a clear shift: the mean age of patients undergoing percutaneous coronary intervention (PCI) rose from about 60 years in the early 1990s to roughly 67 years by 2009–2010.3PubMed. Population trends in percutaneous coronary intervention: 20-year results from the SCAAR (Swedish Coronary Angiography and Angioplasty Registry) A U.S. registry comparison spanning from the mid-1980s balloon-angioplasty era to the 2000s stent era found the same trend: patients in the more recent period were older and reported more coexisting conditions than those treated in earlier decades.4PubMed Central. Twenty-year evolution of percutaneous coronary intervention and its impact on clinical outcomes
Several things drove this upward drift. Better stent technology and safer procedural techniques meant cardiologists could confidently treat patients who would once have been considered too old or too frail. At the same time, populations themselves aged, and older adults with multiple health problems became a larger share of the cardiology patient pool. The net result is that the “typical” stent patient today is several years older than the typical stent patient a generation ago.
When Stents Happen Much Earlier
Coronary artery disease in people younger than 45 is uncommon but not rare. Studies put the prevalence at roughly 1% of all coronary artery disease cases, though in South Asian populations, particularly among Indians, the figure may be five to ten times higher.5PubMed Central. Newer perspectives of coronary artery disease in young When young adults do end up with a stent, the cause is usually aggressive risk factors rather than bad luck. Heavy smoking, poorly controlled diabetes, and markedly abnormal cholesterol are the usual suspects. In one cohort of patients aged 40 or younger who received stents, active smoking and reduced heart-pump function were the strongest predictors of future cardiac events.6PubMed. Long-term outcomes of percutaneous coronary interventions with stent implantation in patients ≤40 years old
The good news for younger stent recipients is that their short- and long-term outcomes tend to be excellent. In that same cohort, in-hospital deaths were zero, and the rate of major cardiac events over a median follow-up of about two years was around 10%.6PubMed. Long-term outcomes of percutaneous coronary interventions with stent implantation in patients ≤40 years old A Japanese study tracking patients aged 40 or younger for nearly 10 years found an overall death rate of about 6%, which is reassuring by cardiology standards, though current smoking at the time of the procedure remained a powerful predictor of future trouble.7PubMed. Long-term prognosis and clinical characteristics of young adults (≤40 years old) who underwent percutaneous coronary intervention
Unusual Causes of Stenting in Very Young Patients
When a teenager or twenty-something ends up in a cath lab, the reason is almost never the typical atherosclerotic plaque that affects middle-aged and older adults. One well-documented scenario involves Kawasaki disease, a childhood inflammatory condition that can leave coronary artery aneurysms as a lasting complication. A case report described a 19-year-old man who received a coronary stent after recurrent heart attacks caused by an aneurysm and narrowing from childhood Kawasaki disease.8PubMed Central. Coronary stent deployment in a young adult with Kawasaki disease and recurrent myocardial infarction
Another important cause in younger adults, especially women, is spontaneous coronary artery dissection (SCAD), where the wall of a coronary artery tears without warning. Among young women under 60 who underwent coronary stenting at one center, about 10% had SCAD as the underlying cause rather than traditional plaque buildup.9Journal of Cardiovascular Medicine. Clinical characteristics and treatment of Spontaneous Coronary Artery Dissection in Young Women Undergoing Percutaneous Coronary Intervention SCAD is increasingly recognized and often strikes women with few or no traditional cardiovascular risk factors, which makes it easy to miss if doctors are not looking for it.
Ethnic and Geographic Differences
The average age at stenting varies meaningfully across ethnic groups. In the United Kingdom’s national cardiovascular intervention database, South Asian patients undergoing PCI were about five years younger on average than Caucasian patients, roughly 60 versus 65.10PubMed. Mortality in South Asians and Caucasians after percutaneous coronary intervention in the United Kingdom A Scottish study found a similar gap, with South Asians averaging 62 years at PCI compared to 66 for White Europeans.11PubMed. Differences between South Asians and White Europeans in five year outcome following percutaneous coronary intervention South Asian patients also carried a much higher burden of diabetes and were more likely to have disease in multiple coronary arteries at the time of intervention.
A prospective angiography study echoed these findings: South Asian patients tended to be younger, more often male, and had more severe angiographic disease, despite being less likely to be obese or to smoke than their White counterparts.12BMJ. Ethnic differences in invasive management of coronary disease: prospective cohort study of patients undergoing angiography The reasons are still debated but likely involve a combination of genetic susceptibility, metabolic risk factors like insulin resistance, and dietary patterns. For South Asian readers in particular, the practical takeaway is that coronary artery disease can develop earlier than you might expect, and aggressive management of blood sugar, cholesterol, and blood pressure matters starting at a younger age.
Stenting in the Very Elderly
At the other end of the age spectrum, stenting in people over 80 and even over 85 has become increasingly common. A large UK study specifically examined PCI in patients aged 85 and older, and reported low in-hospital, 30-day, and one-year mortality rates regardless of whether the procedure was performed electively or during an acute coronary event.13British Journal of Cardiology. Very elderly patients undergoing percutaneous coronary intervention: four-year experience from a high-volume UK centre A study comparing drug-eluting stents in patients 80 and older versus younger patients found procedural success rates of 97% in the older group and 98% in the younger group, essentially indistinguishable.14PubMed. Drug-eluting stents in octogenarians: early and intermediate outcome A more recent comparison of newer-generation stents found one-year safety and effectiveness outcomes in patients over 80 to be comparable to those in younger patients.15PubMed. Safety and efficacy outcomes of second-generation everolimus-eluting stents in octogenarians compared to non-octogenarians
The evidence here has shifted cardiologists’ thinking. Older age alone is no longer considered a reason to avoid stenting. The question has moved from “is this patient too old?” to “will this patient benefit?” That distinction matters because it opens the door to looking at what actually predicts how well someone does after stenting, which turns out to be less about their birth certificate and more about their overall health.
Frailty Matters More Than Calendar Age
Research over the past decade has made it clear that frailty, a clinical state of reduced physical reserve and vulnerability to stress, is a far better predictor of outcomes after stenting than age alone. About one in five patients aged 65 and older are frail at the time of PCI, and those patients carry a greater burden of other illnesses, more severe coronary disease, and significantly worse quality of life than non-frail patients of the same age.16PubMed Central. Comparison of frail patients versus nonfrail patients ≥65 years of age undergoing percutaneous coronary intervention
The prognostic gap is stark. Frail patients undergoing PCI had roughly four times the risk of death over three years compared to non-frail patients after adjusting for age and sex. Poor quality of life also independently predicted higher mortality, and the two factors, frailty and poor quality of life, compounded each other’s effects without fully overlapping.17European Heart Journal – Quality of Care and Clinical Outcomes. Poor quality of life in patients with and without frailty: co-prevalence and prognostic implications in patients undergoing percutaneous coronary interventions and cardiac catheterization A prospective study of elderly coronary disease patients found that mental health scores were also associated with frailty status and coexisting diabetes, adding another dimension to the picture.18Open Heart. Prospective cohort study of elderly patients with coronary artery disease: impact of frailty on quality of life and outcome
The implication for you or a family member facing a stenting decision at an advanced age: ask about frailty, not just chronological age. A vigorous, independent 85-year-old can do very well after a stent. A debilitated, dependent 72-year-old may face much higher risks. The conversation with your cardiologist should center on functional status, competing health problems, and what you hope to gain from the procedure.
Blood Thinners After Stenting in Older Adults
After any stent is placed, patients need to take two blood-thinning medications simultaneously, a regimen called dual antiplatelet therapy, to prevent blood clots from forming inside the new stent. The standard duration has traditionally been six to twelve months, but that creates a real problem for older patients: the longer you stay on two blood thinners, the higher your risk of a serious bleed. And bleeding risk climbs steeply with age.
A meta-analysis of six randomized trials found that shortening dual antiplatelet therapy in elderly patients cut the risk of major bleeding roughly in half, without any measurable increase in the risk of heart attack, stent clots, or death.19PubMed. Short-Term Versus Long-Term Dual Antiplatelet Therapy After Drug-Eluting Stent Implantation in Elderly Patients: A Meta-Analysis of Individual Participant Data From 6 Randomized Trials A pooled analysis of Korean trials confirmed this pattern: in patients 75 and older, standard-duration dual therapy was associated with more than double the risk of major bleeding compared to a shorter course.20PubMed Central. Comparison of Short-term and Standard Duration Dual Antiplatelet Therapy in Elderly Patients: A Pooled Analysis of Five Korean Randomized Clinical Trials A systematic review in JAMA Network Open found that among older adults, one to three months of dual therapy lowered bleeding risk compared to six or twelve months, with no clear penalty in terms of clot-related events.21JAMA Network Open. Shorter Dual Antiplatelet Therapy for Older Adults After Percutaneous Coronary Intervention
This is one area where the evidence has moved faster than clinical practice. Many older stent patients are still kept on the longer regimen by habit, even though the data suggest a shorter course is both safer and equally effective at preventing stent complications. If you are over 75 and have just received a stent, it is reasonable to ask your cardiologist whether a shorter duration makes sense for you.
Not All Stents Go in Coronary Arteries
When people hear “stent,” they almost always think of a coronary stent. But stents are also placed in arteries supplying the legs and in the carotid arteries that feed the brain, and these procedures have their own age profiles.
Peripheral artery stents, placed to restore blood flow to the legs, tend to go into somewhat older patients. A randomized trial of patients receiving stents below the knee for limb-threatening ischemia reported a mean age of about 73 years, with nearly two-thirds having diabetes.22PubMed. A prospective randomized multicenter comparison of balloon angioplasty and infrapopliteal stenting with the sirolimus-eluting stent in patients with ischemic peripheral arterial disease: 1-year results from the ACHILLES trial A separate study of patients who underwent peripheral arterial stenting found a similar mean age of about 71 years, again with a high rate of diabetes and dyslipidemia.23Annals of Medicine and Surgery. Frequency of recurrence of peripheral artery disease among angioplasty and stenting patients The older average age makes sense: peripheral artery disease tends to develop later than coronary disease and often coexists with it.
Carotid artery stenting, performed to prevent stroke in people with narrowed neck arteries, also skews older. A study of the U.S. Medicare population found a mean age of about 75 for patients undergoing carotid stenting, closely matching those who had the surgical alternative of endarterectomy.24JAMA. Carotid Endarterectomy and Carotid Artery Stenting in the US Medicare Population, 1999-2014 A Greek cohort study reported a somewhat younger median of 66 years for carotid stenting, though the population was not restricted to Medicare-age patients.25PubMed Central. Long-term mortality and follow-up after carotid artery stenting
One wrinkle with carotid stenting is that age actually affects which procedure works better. A meta-analysis of individual patient data from major trials found that the risk of stroke or death during a carotid stenting procedure climbed sharply with age: patients over 70 faced roughly four times the procedural risk compared to those under 60. No similar age-related risk increase was seen with surgical endarterectomy.26The Lancet. Effect of age on the incidence of stroke and death by endarterectomy and stenting in patients with symptomatic carotid stenosis For this reason, guidelines tend to favor surgery over stenting in older patients with symptomatic carotid disease, an important distinction from coronary stenting, where age alone is not a deterrent.
What Happens Inside a Stent Over the Years
A stent does not cure the underlying disease. After the metal scaffold is placed, new tissue grows over it, which is usually desirable because it seals the stent into the artery wall. But over months and years, that new tissue can develop its own plaque, a process called neoatherosclerosis. The stent triggers a low-grade inflammatory reaction, and over time, the new lining can accumulate the same fatty, macrophage-laden deposits that caused the original blockage.27PubMed Central. Neoatherosclerosis: Coronary stents seal atherosclerotic lesions but result in making a new problem of atherosclerosis
Restenosis, the re-narrowing of a stented segment, is most active in the first few months. Classic data from emergency coronary stenting showed that restenosis reached about 22% at three months, climbed to 32% at six months, and leveled off at 33% by one year, with most of the significant change occurring in the early window.28PubMed. Time course of restenosis during the first year after emergency coronary stenting Drug-eluting stents, which release medication to suppress tissue growth, dramatically reduced these restenosis rates compared to the older bare-metal designs. But even with modern drug-eluting stents, neoatherosclerosis remains a long-term concern. If a stent narrows again years later, the culprit is often this new plaque rather than simple scar-tissue overgrowth.
This long-game biology is one reason cardiologists emphasize that a stent is a treatment, not a cure. Risk factor management after stenting, including controlling cholesterol, blood pressure, and blood sugar, and quitting smoking, is not optional aftercare. It is the difference between a stent that stays open for decades and one that develops new disease from the inside out.