Association between the ratio of high-density lipoprotein cholesterol to apolipoprotein A-I and in-stent neoatherosclerosis: an optical coherence tomography study

OCT revealed high HAR levels to be negatively correlated with the incidences of ISNA and TCFA in patients with ISR. HAR is a better indicator of ISNA and plaque fragility than HDL-C itself, thus providing a marker and pathway for better prevention of ISNA.