Table 1.
Hemodynamics at Rest and during Dobutamine Stressψ
| Variable | Baseline (n = 11) | Pre-Laser Therapy (n = 11) | 4 weeks post Laser Therapy (n = 11) | 12 weeks post Laser Therapy (n = 11) | 24 weeks post Laser Therapy (n =10 ) |
|---|---|---|---|---|---|
| Rest | |||||
| Heart Rate (beats ·min−1) | 81 ± 27 | 87 ± 24 | 93 ± 20 | 93 ± 20 | 125 ± 26*†‡ |
| Mean Aortic Pressure (mmHg) | 99 ± 19 | 104 ± 17 | 102 ± 16 | 118 ± 17* | 121 ± 25* |
| Double Product (mmHg · beats · min−1) · 100−1 | 115 ± 48 | 118 ± 46 | 127 ± 34 | 119 ± 54 | 143 ± 57 |
| Dobutamine (30–40 μg · Kg−1 · min−1) | |||||
| Heart Rate (beats · min−1) | — | 166 ± 29§ | 139 ± 48*§ | 149 ± 32*§ | 163 ± 23§ |
| Mean Aortic Pressure (mmHg) | — | 116 ± 28§ | 106 ± 12 | 110 ± 33 | 117 ± 15 |
| Double Product (mmHg · beats · min−1) · 100−1 | — | 279 ± 77§ | 280 ± 74§ | 249 ± 103§ | 252 ± 89§ |
Data are presented as mean ± 1SD.
p < 0.05 vs. pre laser therapy
p < 0.05 vs. 4 weeks post laser therapy
p < 0.05 vs. 12 weeks post laser therapy
p < 0.05 vs. rest