Disease
|
Symptoms and night/day CO2 ↑
|
Symptoms and only night CO2 ↑
|
No/limited symptoms but night/day CO2 ↑
|
Usual daily duration of NIPPV
|
---|
Scoliosis
|
Yes
|
Yes
|
Perhaps
|
<12 hours
|
Tuberculosis
|
Yes
|
Yes
|
Perhaps
|
<12 hours
|
Neuromuscular stable or slow
|
Yes
|
Perhaps
|
Perhaps
|
18–24 hours
|
Neuromuscular intermediate
|
Yes
|
Perhaps
|
Perhaps
|
18–24 hours
|
Neuromuscular rapid
|
Yes
|
Yes
|
Yes
|
24 hours
|
COPD
|
Perhaps
|
No
|
No
|
12 hours
|
Bronchiectasis/cystic fibrosis
|
Perhaps
|
No
|
No
|
18–24 hours
|
Obesity hypoventilation
|
Perhaps
|
Perhaps
|
No
|
<12 hours
|
- ↑, Increase; COPD, chronic obstructive pulmonary disease; NIPPV, noninvasive positive pressure ventilation.