In 2022, the American College of Cardiology (ACC) published its expert consensus decision pathway on the role of nonstatin therapy for lowering LDL-C values to manage ASCVD. In view of net favorable clinical benefit, the ACC recommends nonstatin therapy for patients with ASCVD who are at very high risk for future events if their LDL-C level remains at or above 55 mg/dL while receiving maximally tolerated statins.
According to the ACC, these patients are at risk if they have already experienced multiple major events or they have a history of 1 major event and multiple high-risk conditions.
As defined by the AAC, major ASCVD events include:
- ACS within the past 12 months
- Prior myocardial infarction (other than ACS as above)
- Prior ischemic stroke
- Symptomatic PAD (history of claudication, with ABI <0.85 or prior revascularization/amputation)
Similarly, the ACC identifies as high-risk conditions as:
- Age ≥65 years
- Heterozygous familial hypercholesterolemia
- Prior CABG surgery or PCI (outside of the major ASCVD events)
- Diabetes
- Hypertension
- CKD (eGFR, 15-59 mL/min/1.73m2)
- Current cigarette smoking
- Persistently elevated LDL-C (≥100 mg/dL) despite maximally tolerated statin therapy and ezetimibe
- Prior CHF
Most patients who have experienced a major ASCVD event such as the ones described above could benefit from an LDL-C reduction of 50% or more and an LDL-C level below 55 mg/dL.
Do you aim for an LDL-C level below 55 mg/dL in your patients who have experienced a major ASCVD event?
Of 55 or less so its to goal
We shoot for
Presumably max tolerated dose of a potent statin is first. If target is close I add Zetia since it cheap and easily accessible. If target is not close I use a PCSK9. Only a rare patient will still have an LDL greater than 55 at this point.
Use of statin, Zetia and PCSK9 is next.
Vascepa is not appropriate to use for LDL reduction; its indication is elevated triglycerides in a hi risk patients.
Lp(a) is also not relevant at this point in time.
Nexlitol would be the next choice as there is now some outcome data available, but for sure by now the insurance company is denying everything and the patient is squalking.
Yes, I agree with an aggressive lipid reduction with a goal LDL of less than 55 in all my
high risk patients.
- and most of my ASCVD patients fall into that category.
Thankfully, treatment options are becoming better.
However, insurance coverage and costs remain an issue.
The use of a PCSK9i will achieve 50-60% LDL reduction
Recent Acute Coronary Syndrome (ACS):
Patients who have had an acute coronary syndrome (such as myocardial infarction or unstable angina) within the past 12 months.
History of Multiple Major ASCVD Events:
This includes patients with a history of multiple myocardial infarctions or ischemic strokes.
Single Major ASCVD Event with Multiple High-Risk Conditions:
Patients with a single major ASCVD event (such as a myocardial infarction or ischemic stroke) who also have multiple high-risk conditions. High-risk conditions include:
Age 65 years or older
Heterozygous familial hypercholesterolemia
History of prior coronary revascularization (PCI or CABG) outside of the major ASCVD event
History of prior non-coronary revascularization (such as carotid artery or peripheral artery revascularization)
Diabetes mellitus
Hypertension
Chronic kidney disease (CKD) (eGFR 15–59 mL/min/ m²)
Current smoking
Persistent high LDL-C levels (≥100 mg/dL) despite maximally tolerated statin therapy and ezetimibe
History of congestive heart failure
Significant Multivessel Coronary Artery Disease:
Patients with severe coronary artery disease involving multiple major vessels.
Patients who meet these criteria are at an elevated risk for recurrent cardiovascular events and generally require more aggressive lipid-lowering strategies and overall cardiovascular risk management. This often includes high-intensity statin therapy, and if LDL-C goals are not achieved, additional therapies such as ezetimibe or PCSK9 inhibitors may be recommended. Managing other comorbid conditions (like diabetes and hypertension), lifestyle modification, and addressing other risk factors are also crucial parts of the treatment plan for these high-risk individuals.