VWF and myocardial infarction: Kaikita et al. reported that the VWF:Ag level was 2,151 ± 97 mU/mL in patients hospitalized within 72 h from the onset of MI, 1,445 ± 93 mU/mL in patients with exertional angina and 90% narrowing of a major coronary artery, and 1,425 ± 76 mU/mL in patients with chest pain without stenotic coronary atherosclerosis on diagnostic cardiac catheterization (58).