Clinical Study

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, years51.1 ± 13.259.4 ± 15.40.007
Gender (M/F)15/2327/370.83
BMI (kg/m2)55.6 ± 14.252.1 ± 13.20.2
Charlson index4 (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 procedure0.68
 Surgical, (%)22 (58)41 (64)
 Percutaneous, (%)16 (42)23 (36)
Timing to tracheotomy, days10.9 ± 5.312.3 ± 7.00.29
PaO2/FIO2 at the time of tracheotomy169.9 ± 97.9180.1 ± 107.40.63
APACHE II12.5 ± 5.914.2 ± 5.10.13

Underlying gastrointestinal causes for mechanical ventilation included pancreatitis, diffuse colitis, and cholecystitis.
Underlying neurologic causes for mechanical ventilation included cerebrovascular accidents and seizure disorders.