Table 2.
Angiographic and pacing-stress characteristics of the study population.
| Clinical characteristic | Entire cohort (n=19) |
Ischemic subgroup | ||
|---|---|---|---|---|
| CAD− / Lactate elution− (n=5) |
CAD+/ Lactate elution− (n=7) |
CAD+/ Lactate elution+ (n=7) |
||
| Angiography | ||||
| No. diseased vessels | ||||
| 0 | 5 (26) | 5 (100) | NA | NA |
| 1 | 10(53) | NA | 4 (57) | 6 (86) |
| 2 | 3 (16) | NA | 3 (43) | 0 |
| 3 | 1 (5) | NA | 0 | 1 (14) |
| Diseased vessel | ||||
| LAD | 8 (57) | NA | 2 (29) | 6 (86) |
| LCx | 5 (36) | NA | 4 (57) | 1 (14) |
| RCA | 6 (43) | NA | 4 (57) | 2 (29) |
| Pacing-response | ||||
| Peak heart rate (bpm) | 146±16 | 150±18 | 144±11 | 145±22 |
| Rate•pressure product (bpm•mmHg) | 21458±4216 | 22566±3028 | 20810±4662 | 21313±4892 |
| Chest pain | 13 (68) | 2 (40) | 5 (71) | 6 (86) |
| ST-segment depression | 9 (47) | 3 (60) | 2 (29) | 4 (57) |