Table 1.
The effect of doxapram infusion on parameters measured with transcutaneous dEMG
| dEMG parameters | Baseline (n = 11) | 15 min (n = 11) | 60 min (n = 11) | 120 min (n = 10) | 180 min (n = 10) | p value |
|---|---|---|---|---|---|---|
| ΔPeakdEMG, % | 0 (0 to 0) | 1.1 (−10.8 to 20.7) | −5.4 (−28.05 to 2.8) | −9.1 (−27.8 to 3.9) | −6.6 (−18.0 to 27.4) | 0.811 |
| ΔTonicdEMG, % | 0 (0 to 0) | 2.7 (−12.0 to 17.6) | −6.4 (−19.4 to 28.7) | −5.8 (−24.7 to 4.2) | 14.7 (−23.2 to 32.8) | 0.293 |
| Inspiratory time, s | 0.5 (0.4 to 0.5) | 0.5 (0.4 to 0.5) | 0.5 (0.4 to 0.5) | 0.5 (0.4 to 0.5) | 0.5 (0.4 to 0.5) | 0.988 |
| Expiratory time, s | 0.6 (0.4 to 0.6) | 0.6 (0.5 to 0.6) | 0.5 (0.5 to 0.6) | 0.6 (0.5 to 0.7) | 0.5 (0.5 to 0.6) | 0.993 |
| Respiratory rate, breaths/min | 56 (53 to 77) | 58 (53 to 64) | 61 (57 to 67) | 58 (52 to 64) | 61 (54 to 67) | 0.949 |
| Heart rate, beats/min | 156 (148 to 162) | 150 (140 to 164) | 154 (132 to 164) | 156 (111 to 162) | 156 (113 to 173) | 0.051 |
PeakdEMG and tonicdEMG values are expressed as median percentage change compared to baseline (IQR). p values based on the Friedman test for repeated measurements. dEMG, electromyography of the diaphragm.