Table 1: Subjects clinical characteristics.
| Clinical characteristics |
Value (N=18) |
| Gender (F/M), N (%) |
11(61%) / 7(38%) |
| Age, mean ± SD, years |
7 ± 6.3 |
| Ethnicity, N (%) |
| Caucasian |
9(50) |
| African-American |
7(38) |
| Hispanics |
2(11) |
| Nasal NIV RAM Cannula use; |
| mean ± SD, months |
8.4 ± 7.3 |
| Pathophysiologic Disorder (%) |
| Obstructive Lung Disease |
3(16) |
| Restrictive Lung Disease |
2(11) |
| Central Control Disease |
6(33) |
| Chest Wall Weakness |
7(38) |
| Nasal NIV/RAM Cannula Trilogy Mode, N (%) |
| BPAP |
12(66) |
| CPAP |
4(23) |
| SIMV-PC |
2(11) |
| Arterial Carbon Dioxide tension (PaCO2) * |
| mean ± SD, mmHg |
|
| Before Nasal NIV/RAM Cannula |
56.1 ± 12.8 |
| After Nasal NIV/RAM Cannula |
43.2 ± 8.3 |
| Percent of saturation on Nasal NIV/RAM Cannula |
| mean ± SD, percent (%) |
98 ± 1.4 |
| MEP/MIP, mean ± SD, N=4 |
| MEP (cmH2O) |
32.7 ± 8.4 |
| MIP (cmH2O) |
55.2 ± 20.5 |
| Indications for Nasal NIV/RAM Cannula Use, N (%) |
| Avoidance of tracheostomy |
9(50) |
| Dyspnea comfort |
7(38) |
| Intolerability to conventional support |
2(11) |
F, Female; M, Male; SD, standard deviation; Nasal NIV/RAM Cannula, Nasal Non Invasive Ventilation using RAM Cannula; BPAP, Bi-level Positive Airway Pressure; CPAP, Continuous Positive Airway Pressure; SIMV-PC, Synchronized Intermittent Mandatory Ventilation - Pressure-Control; MEP/MIP, Maximum Expiratory and Inspiratory Pressures. * (p=0.001).