Background Stable angina pectoris (SAP), as a common type of coronary heart disease (CHD), is characterized by transient retrosternal squeezing pain or suffocation induced by exercise, mood swings, or other stress.1 Studies have shown that SAP is associated with an increased risk of cardiovascular endpoint events and all-cause mortality.2,3 Despite the increasing sophistication of modern medical treatments for SAP, several studies have shown that interventional therapies for patients with SAP...
