Table 4.
Stress echocardiogram results from a subset of participants with positive CCT (n = 13)
| Exercise stress echocardiogram parameters | Total population (n = 13) | Males (n = 10) | Females (n = 3) |
|---|---|---|---|
| Diagnostic quality (%) | 100 | 100 | 100 |
| Peak systolic blood pressure (mm Hg ± SD) | 198 ± 24 | 199 ± 26 | 195 ± 16 |
| Baseline HR (bpm ± SD) | 56 ± 8 | 55 ± 7 | 59 ± 13 |
| Maximal HR (bpm ± SD) | 164 ± 10 | 165 ± 11 | 161 ± 9 |
| % Predicted | 100 ± 5 | 100 ± 5 | 101 ± 7 |
| Exercise time (min ± SD) | 13 ± 3 | 13 ± 2 | 14 ± 4 |
| Metabolic equivalents (METS ± SD) | 14 ± 3 | 14 ± 3 | 16 ± 5 |
| ECG results for ischemia | |||
| Positive, n (%) | 2 (15.4) | 1 (10) | 1 (33) |
| Equivocal, n (%) | 2 (15.4) | 2 (20) | 0 (0) |
| Negative, n (%) | 9 (69.2) | 7 (70) | 2 (66) |
| Symptoms during stress, n (%) | 0 (0) | 0 (0) | 0 (0) |
| Arrhythmias, n (%) | 2 (15) | 2 (20) | 0 (0) |
| LVEF baseline (%) | > 60 | > 60 | > 60 |
| LVEF peak exercise (%) | > 60 | > 60 | > 60 |
| Wall motion at baseline, n (%) | 0 (0) | 0 (0) | 0 (0) |
| Wall motion at peak exercise, n (%) | 0 (0) | 0 (0) | 0 (0) |
Data are expressed as mean ± SD.
bpm, beats per minute; CCT, coronary computed tomography; ECG, electrocardiogram; HR, heart rate; LVEF, left ventricular ejection fraction; METS, metabolic equivalent of task; SD, standard deviation.