Patient characteristics
| Control | Hypertrophy | Heart failure | |
|---|---|---|---|
| Number | 16 | 16 | 34 |
| Ischaemic heart disease | 10 (62%) | 1 (6%)1-150 | 19 (56%)† |
| Valvar heart disease | 0 | 4 (25%)1-150 | 2 (6%) |
| LVIDDiastole (mm) | 47 (1) | 56 (4) | 63 (2)1-150 |
| LVIDSystole (mm) | 29 (2) | 35 (4) | 51 (2)1-150 † |
| Fractional shortening | 0.36 (0.03) | 0.39 (0.02) | 0.21 (0.02)1-150 † |
| LV mass (g) | 198 (15) | 420 (48)1-150 | 403 (14)1-150 |
| HRrest (beats/min) | 74 (3) | 68 (4) | 86 (3)1-150 † |
| QTrest (ms) | 381 (6) | 399 (9) | 400 (11) |
| QTcrest(ms1/2) | 421 (6) | 420 (6) | 471 (10)1-150 † |
| HRpeak exercise (beats/min) | 141 (5) | 131 (7) | 131 (4) |
| QTpeak exercise (ms) | 281 (7) | 296 (11) | 303 (10) |
Values are mean (SEM) unless stated.
↵1-150 p < 0.05 v control; †p < 0.05v hypertrophy.
HR, heart rate; LV, left ventricular; LVID, left ventricular internal dimension.