Table 1.
Characteristics of the patients with chronic obstructive pulmonary disease
| Patient | Days of MV | ET ID, mm | MIP, cm H2O | Cause of acute respiratory failure/Prior cardiovascular disease | Failed trial duration on Control day, minutes | Weaning trial outcome on Study day | Extubation outcome | ICU outcome |
|---|---|---|---|---|---|---|---|---|
| 1 | 15 | 9 | -20 | GI hemorrhage/ Hypertension |
10 | S | S | A |
| 2 | 11 | 8 | -40 | AAA repair/ Hypertension, CAD |
30 | S | S | A |
| 3 | 9 | 8.5 | -25 | Acute exacerbation/ None |
15 | S | S | A |
| 4 | 5 | 8.5 | -30 | Acute exacerbation/ CP |
30 | S | S | A |
| 5 | 28 | 8a | -25 | Acute exacerbation/ Hypertension, CP |
110 | S | NA | D |
| 6 | 8 | 8.5a | -30 | Acute exacerbation/ None |
60 | S | NA | A |
| 7 | 9 | 8.5a | -28 | Acute exacerbation/ CAD |
45 | S | NA | A |
| 8 | 6 | 8 | -30 | Acute exacerbation/ CAD |
110 | S | S | A |
| 9 | 10 | 8 | -40 | Acute exacerbation/ Hypertension, CP |
60 | S | S | A |
| 10 | 9 | 8 | -50 | Acute exacerbation/ Hypertension |
30 | S | S | A |
| 11 | 12 | 7.5 | -22 | Gastrectomy/ None |
30 | F | NA | A |
| 12 | 10 | 8.5 | -30 | Acute exacerbation/ CAD |
55 | S | F | D |
a, tracheostomy tube; A, alive; AAA, abdominal aortic aneurysm; CAD, coronary artery disease; CP, cor pulmonale; D, died; ET, endotracheal tube; F, failure; GI, gastrointestinal; ICU, intensive care unit; ID, internal diameter of tracheostomy tube; MIP, maximum inspiratory pressure; MV, mechanical ventilation; NA, not applicable; S, success.