J Neurol Res

Journal of Neurology Research, ISSN 1923-2845 print, 1923-2853 online, Open Access

Article copyright, the authors; Journal compilation copyright, J Neurol Res and Elmer Press Inc

Journal website http://www.neurores.org

Original Article

Volume 6, Number 2-3, June 2016, pages 35-40

Weaning From Mechanical Ventilation in Patients With Severe Head Trauma: A Proposol of Tracheostomy Antecipation

**Table 1.** General Characteristics of Patients With Severe TBI and Mortality Rates
Data	Frequency	%	Median	Standard deviation	Median	Q1	Q3	P value
Q1: lower quartile; Q3: upper quartile; GCS: Glasgow coma scale; CT: computed tomography.
Age	118		38.09	15.22	37.0	26.0	45.5	-
Male	102	86.44%	-	-	-	-	-	-
Mortality rate GCS 3 - 5	-	30.23%	-	-	-	-	-	0.67
Mortality rate GCS 6 - 8	-	26.67%	-	-	-	-	-
Mortality rate Marshall’s CT III	-	33.33%	-	-	-	-	-	0.41
Mortality rate Marshall’s CT IV	-	45.16%	-	-	-	-	-
Mortality rate Marshall’s CT V	-	0%	-	-	-	-	-	0.04
Mortality rate Marshall’s CT VI	-	53.33%	-	-	-	-	-

Table 1. General Characteristics of Patients With Severe TBI and Mortality Rates

Data

Frequency

Median

Standard deviation

Median

P value

Q1: lower quartile; Q3: upper quartile; GCS: Glasgow coma scale; CT: computed tomography.

Age

118

38.09

15.22

37.0

26.0

45.5

Male

102

86.44%

Mortality rate GCS 3 - 5

30.23%

0.67

Mortality rate GCS 6 - 8

26.67%

Mortality rate Marshall’s CT III

33.33%

0.41

Mortality rate Marshall’s CT IV

45.16%

Mortality rate Marshall’s CT V

0.04

Mortality rate Marshall’s CT VI

53.33%

**Table 2.** Events Related to Weaning From Mechanical Ventilation Associated With the GCS
Events	Yes	≤ 48 h	P value
GCS: Glasgow coma scale; MV: mechanical ventilation.
Extubation GCS 3 - 5	23.26%	-	0.21
Extubation GCS 6 - 8	34.67%	-
Reintubation GCS 3 - 5	4.76%	-	0.61
Reintubation GCS 6 - 8	2.67%	-
Tracheostomy GCS 3 - 5	55.81%	-	0.44
Tracheostomy GCS 6 - 8	46.67%	-
Weaning MV after tracheostomy GCS 3 - 5	-	70.83%	0.41
Weaning MV after tracheostomy GCS 6 - 8	-	57.14%

Table 2. Events Related to Weaning From Mechanical Ventilation Associated With the GCS

Events

Yes

≤ 48 h

P value

GCS: Glasgow coma scale; MV: mechanical ventilation.

Extubation GCS 3 - 5

23.26%

0.21

Extubation GCS 6 - 8

34.67%

Reintubation GCS 3 - 5

4.76%

0.61

Reintubation GCS 6 - 8

2.67%

Tracheostomy GCS 3 - 5

55.81%

0.44

Tracheostomy GCS 6 - 8

46.67%

Weaning MV after tracheostomy GCS 3 - 5

70.83%

0.41

Weaning MV after tracheostomy GCS 6 - 8

57.14%

**Table 3.** Events Related to Weaning From Mechanical Ventilation Associated With Marshall’s CT Scan Classification
Events	Yes	P value
CT: computed tomography.
Extubation Marshall’s CT III	29.17%	0.08
Extubation Marshall’s CT IV	9.68%
Extubation Marshall’s CT V	50%	0.11
Extubation Marshall’s CT VI	13.33%
Reintubation Marshall’s CT III	8.33%	0.18
Reintubation Marshall’s CT IV	0%
Reintubation Marshall’s CT V	0%	1
Reintubation Marshall’s CT VI	6.67%

Table 3. Events Related to Weaning From Mechanical Ventilation Associated With Marshall’s CT Scan Classification

Events

Yes

P value

CT: computed tomography.

Extubation Marshall’s CT III

29.17%

0.08

Extubation Marshall’s CT IV

9.68%

Extubation Marshall’s CT V

50%

0.11

Extubation Marshall’s CT VI

13.33%

Reintubation Marshall’s CT III

8.33%

0.18

Reintubation Marshall’s CT IV

Reintubation Marshall’s CT V

Reintubation Marshall’s CT VI

6.67%

**Table 4.** Events Related to Weaning From Mechanical Ventilation Associated With Marshall’s CT Scan Classification
Events	Yes	≤ 48 h	P value
MV: mechanical ventilation; CT: computed tomography.
Tracheostomy Marshall’s CT III	45.83%	-	0.59
Tracheostomy Marshall’s CT IV	54.84%	-
Tracheostomy Marshall’s CT V	50%	-	1
Tracheostomy Marshall’s CT VI	46.67%	-
Weaning MV after tracheostomy Marshall’s CT III	-	54.55%	0.44
Weaning MV after tracheostomy Marshall’s CT IV	-	70.59%
Weaning MV after tracheostomy Marshall’s CT V	-	100%	0.47
Weaning MV after tracheostomy Marshall’s CT VI	-	57.14%

Table 4. Events Related to Weaning From Mechanical Ventilation Associated With Marshall’s CT Scan Classification

Events

Yes

≤ 48 h

P value

MV: mechanical ventilation; CT: computed tomography.

Tracheostomy Marshall’s CT III

45.83%

0.59

Tracheostomy Marshall’s CT IV

54.84%

Tracheostomy Marshall’s CT V

50%

Tracheostomy Marshall’s CT VI

46.67%

Weaning MV after tracheostomy Marshall’s CT III

54.55%

0.44

Weaning MV after tracheostomy Marshall’s CT IV

70.59%

Weaning MV after tracheostomy Marshall’s CT V

100%

0.47

Weaning MV after tracheostomy Marshall’s CT VI

57.14%