Research Article

Residual Quantitative Flow Ratio to Estimate Post‐Percutaneous Coronary Intervention Fractional Flow Reserve

Table 1

Patient characteristics.

Patient characteristicsN = 115

Male gender89 (77%)
Age in years64.9 ± 9.9
Body mass index (kg/m2)26.7 ± 3.8

Cardiovascular risk factors
 Diabetes mellitus18 (16%)
 Hypertension61 (53%)
 Hypercholesterolemia67 (58%)
 Tobacco use11 (10%)
 History of tobacco use58 (50%)
 Family history of coronary artery disease49 (44%)

Medication
 Acetylic acid101 (88%)
 P2Y12 inhibitor36 (31%)
 Beta-blockers64 (56%)
 Calcium-channel blockers47 (41%)
 Long-acting nitrates23 (20%)
 Statins93 (81%)
 Angiotensin-converting enzyme inhibitors27 (24%)
 Angiotensin receptor blockers17 (15%)

Cardiac history
 Prior percutaneous coronary intervention55 (48%)
 Prior myocardial infarction29 (25%)

Symptoms
 Typical angina pectoris57 (50%)
 Atypical angina pectoris24 (21%)
 Nonspecific chest pain8 (7%)
 Dyspnea16 (14%)
 Asymptomatic10 (9%)

Indication for percutaneous coronary intervention
 Stable coronary artery disease114 (99%)
 Non-ST segment elevation myocardial infarction1 (1%)

Values are presented as N (%) or mean ± SD.