Timing of Tracheotomy in Mechanically Ventilated Critically Ill Morbidly Obese Patients
Table 1
Baseline characteristics of the study population.
Successful weaning
Failure to wean
value
Age, years
51.1 ± 13.2
59.4 ± 15.4
0.007
Gender (M/F)
15/23
27/37
0.83
BMI (kg/m2)
55.6 ± 14.2
52.1 ± 13.2
0.2
Charlson index
4 (3–5)
6 (4–8)
0.003
Comorbidities
Chronic heart diseases, (%)
6 (16)
17 (27)
0.23
Chronic pulmonary diseases, (%)
6 (16)
22 (34)
0.07
Hypertension, (%)
28 (74)
45 (70)
0.72
Diabetes mellitus, (%)
20 (53)
29 (45)
0.54
Renal insufficiency, (%)
7 (18)
20 (31)
0.16
Underlying causes for mechanical ventilation
Cardiac failure, (%)
4 (11)
9 (14)
0.83
Sepsis, (%)
14 (37)
26 (41)
0.87
Respiratory failure, (%)
15 (39)
20 (31)
0.52
Gastrointestinal*, (%)
2 (5)
2 (3)
0.99
Neurologic†, (%)
3 (8)
7 (11)
0.87
Type of procedure
0.68
Surgical, (%)
22 (58)
41 (64)
Percutaneous, (%)
16 (42)
23 (36)
Timing to tracheotomy, days
10.9 ± 5.3
12.3 ± 7.0
0.29
PaO2/FIO2 at the time of tracheotomy
169.9 ± 97.9
180.1 ± 107.4
0.63
APACHE II
12.5 ± 5.9
14.2 ± 5.1
0.13
Underlying gastrointestinal causes for mechanical ventilation included pancreatitis, diffuse colitis, and cholecystitis. †Underlying neurologic causes for mechanical ventilation included cerebrovascular accidents and seizure disorders.