Table 3 Comparison of mitral regurgitation severity in HCM patients with LVOT obstruction: aortic vs. pulmonary flow-based MRvol grades
Aortic flow-based MRvol grades calculated as LVSVincl − Ao | ||||||
|---|---|---|---|---|---|---|
<15 ml | 15–29 ml | 30–45 ml | 45–59 ml | ≥ 60 ml | Total | |
Pulmonary flow-based MRvol grades calculated as LVSVincl − MPA | ||||||
< 15 ml | 1 | 1 | 1 | 0 | 0 | 3 (5.8%) |
15–29 ml | 0 | 8 | 5 | 0 | 1 | 14 (26.9%) |
30–45 ml | 0 | 1 | 7 | 10 | 0 | 18 (34.6%) |
45–59 ml | 0 | 0 | 0 | 5 | 3 | 8 (15.4%) |
≥ 60 ml | 0 | 0 | 0 | 0 | 9 | 9 (17.3%) |
Total | 1 (1.9%) | 10 (19.2%) | 13 (25.0%) | 15 (28.8%) | 13 (25.0%) | 52 |