Table 5 Myasthenia muscle score and pulmonary functional tests in patients according to weaning duration. SBT Spontaneous breathing trial.
From: Weaning from mechanical ventilation during myasthenic crisis, a monocentric retrospective study
Weaning duration < 7 days | Weaning duration > 7 days | p | |
|---|---|---|---|
n | 60 | 56 | |
Vital capacity (% to theory) | |||
Admission (%) | 35 [26, 54] | 28 [21, 42] | 0.058 |
Intubation (%) | 35 [27, 51] | 28 [22, 36] | 0.009** |
Minimum value (%) | 30 [21, 39] | 23 [19, 29] | 0.023* |
SBT beginning (%) | 48 [40, 60] | 45 [38, 56] | 0.339 |
During SBT (%) | 55 [41, 66] | 46 [37, 57] | 0.088 |
Variation during SBT (%) | − 0.04 [− 0.14, 0.07] | − 0.01 [− 0.11, 0.06] | 0.516 |
Inspiratory pressure (cmH2O) | |||
Admission | 30 [20, 36] | 19 [10, 24] | 0.001** |
Intubation | 30 [20, 35] | 19 [12, 22] | 0.001** |
Minimum value | 21 [12, 30] | 20 [11, 23] | 0.228 |
SBT beginning | 44 [30, 59] | 39 [28, 47] | 0.144 |
During SBT | 45 [38, 60] | 39 [31, 60] | 0.212 |
Expiratory pressure (cmH2O) | |||
Admission | 38 [20, 54] | 32 [20, 50] | 0.523 |
Intubation | 38 [20, 55] | 34 [20, 47] | 0.395 |
Minimum value | 28 [19, 44] | 30 [15, 49] | 0.760 |
SBT beginning | 51 [40, 79] | 52 [40, 76] | 0.876 |
During SBT | 62 [46, 80] | 59 [48, 80] | 0.939 |
Myasthenia muscle score | |||
Admission | 33 [23, 56] | 39 [25, 58] | 0.579 |
Intubation | 29 [20, 38] | 32 [25, 45] | 0.074 |
Minimum score | 24.8 (14.7) | 26.4 (12.1) | 0.549 |
SBT’s day score | 43 [36, 56] | 46 [38, 56] | 0.708 |
Head lift test | 0.510 | ||
No movement | 1 (2.0) | 3 (6.7) | |
Against gravity | 10 (20.4) | 10 (22.2) | |
Against resistance | 38 (77.6) | 32 (71.1) | |
