Review Article

Noninvasive Home Mechanical Ventilation for Stable Hypercapnic COPD: A Clinical Respiratory Review from Canadian Perspectives

Table 1

Landmark RCTs of high-intensity NIV.

Kohnlein [12]Struik [24]Murphy [11]

N195201116
Age62 vs. 6464 vs. 63.566.4 vs. 67.1
Post-AECOPDNoYesYes
Follow-up12 months12 months12 months
BMI (kg/m2)24.8 vs. 24.524.6 vs. 24.821.5 vs. 22.2
FEV1 (% predicted)26 vs. 27.525.6 vs. 25.724 vs. 22.9
Inclusion minimal PaCO2 criteria (mmHg)51.94553
Baseline PaCO2 (mmHg)58.5 vs. 57.859.3 vs. 57.859
Final IPAP/EPAP (cm H2O)21.6/4.819.2/4.824/4
Final backup rate (breaths/minute)141514
Adherence (hour/night)5.96.97.6
OutcomeLTH-NIV improved 1-year all-cause mortalityLTH-NIV did not improve time to readmission or deathLTH-NIV improved time to readmission or death

Compared values are intervention vs. control. Data are shown as the mean unless otherwise indicated.