Revascularization for Isolated Proximal Left Anterior Descending Artery Disease

Area of Science:

• Cardiovascular Medicine
• Interventional Cardiology
• Cardiac Surgery

Background:

• Isolated proximal left anterior descending (PLAD) coronary artery disease studies often exclude at least one revascularization option.
• Percutaneous coronary intervention (PCI), conventional coronary artery bypass graft (CABG) surgery, and minimally invasive CABG are key treatment modalities.

Purpose of the Study:

• To compare the long-term outcomes of PCI, conventional CABG, and minimally invasive CABG for isolated PLAD disease.
• To evaluate differences in mortality, myocardial infarction, stroke, and revascularization rates across the three procedures.

Main Methods:

• Utilized New York cardiac registries to identify 14,327 patients with isolated PLAD disease treated between 2010-2016.
• Matched registry data with vital statistics and claims data for comprehensive outcome tracking through 2017.
• Employed adjusted analyses to account for patient risk factor differences.

Main Results:

• No significant differences in 7-year mortality or the composite of mortality/myocardial infarction/stroke were found among PCI, conventional CABG, and minimally invasive CABG.
• Conventional CABG surgery demonstrated significantly lower rates of subsequent revascularization compared to PCI (aHR 0.45) and minimally invasive CABG (aHR 0.46).

Conclusions:

• Conventional CABG surgery is associated with reduced need for repeat revascularization in patients with isolated PLAD disease.
• All three revascularization strategies (PCI, conventional CABG, minimally invasive CABG) offer comparable long-term survival and freedom from major adverse cardiovascular events.