TABLE 1.
C | SB | CMV-Saline | CMV-Methylprednisolone | |
---|---|---|---|---|
Po2 | — | 148 ± 33 | 137 ± 51 | 134 ± 54 |
Pco2 | — | 49 ± 12* | 32 ± 13 | 37 ± 14 |
pH | — | 7.357 ± 0.04 | 7.479 ± 0.09 | 7.410 ± 0.16 |
Po (N/cm2) | 22.9 ± 1.9 | 20.2 ± 1.4 | 15.1 ± 2.3† | 17.8 ± 2.6‡ |
Pt (N/cm2) | 4.0 ± 0.2 | 3.9 ± 0.3 | 3.4 ± 0.8 | 4.2 ± 0.8§ |
TPT (ms) | 19 ± 3 | 20 ± 3 | 20 ± 2 | 20 ± 3 |
1/2 RT (ms) | 22 ± 3 | 24 ± 3 | 22 ± 6 | 25 ± 5 |
Definition of abbreviations: C = controls; CMV = controlled mechanical ventilation; Po = tetanic force; Pt = twitch force; RT = relaxation time; SB = spontaneous breathing; TPT = time to peak tension.
Values are mean ± SD.
P < 0.05 vs. CMV-Saline and CMV-Methylprednisolone;
P < 0.05 vs. others;
P < 0.01 vs. C;
P < 0.05 vs. CMV-Saline.