Time-to-death in chronic respiratory failure on home mechanical ventilation: A cohort study - 05/02/20
, Nick Weston a, Laura Tincknell b, Gurpreet Beghal b, Michael C.F. Cheng a, Michelle Ramsay a, b, Eui-Sik Suh a, b, Georgios Kaltsakas a, b, Hina Pattani a, Philip Marino a, b, Patrick B. Murphy a, b, Nicholas Hart a, b, Joerg Steier a, bAbstract |
Background and objective |
Home mechanical ventilation (HMV) is used in heterogeneous conditions underlying chronic hypercapnic respiratory failure, but there are sparse data on long-term clinical outcomes. The aim was to systematically analyse the time and the circumstances of death on HMV.
Methods |
All-cause mortality data of HMV patients were prospectively collected between 2008 and 2018 in a large tertiary centre. Data were categorised into diagnostic groups including neuromuscular disease (NMD), chest wall disease (CWD), chronic obstructive pulmonary disease (COPD), obesity hypoventilation syndrome (OHS), overlap syndrome of COPD and OSA (overlap) and other group. The primary outcome was time-to-death from initiation of HMV.
Results |
1210 deaths were recorded over a 10-year period. Median time-to-death was 19.5 [6–55] months and differed between groups (Kruskal Wallis p < 0.001). CWD (98.5 [23.5–120] months) and slowly progressive NMD (64.5 [28–120] months) had the longest time-to-death on HMV, while OHS (33 [13–75] months) and overlap syndrome (30.5 [14.5–68.5] months) had a longer median time-to-death than COPD (19.5 [7–42.5] months) and motor neurone disease (7 [3–14] months). Daily adherence to HMV of greater than 4 h/night was associated with better outcomes (10 [3–24] vs. 30 [10–76] months; p < 0.001). 43% with confirmed location of death died outside the hospital.
Conclusions |
The time-to-death on home mechanical ventilation varies widely across disease groups with chronic respiratory failure and seems to be associated with daily usage time.
Trial registration |
researchregistry.com UIN: researchregistry4122.
Le texte complet de cet article est disponible en PDF.Highlights |
• | Time-to-death on HMV widely differs between disease groups with chronic respiratory failure type 2. |
• | Time-to-death on HMV increases with longer daily usage of ventilation up to 20 h per day. |
• | Longer daily usage of home mechanical ventilation is an independent predictor of longer time-to-death. |
• | More than 40% of patients with chronic hypercapnic respiratory failure on HMV died outside the hospital. |
• | Patients with NMD, COPD and OHS are the largest disease groups on HMV. |
Keywords : Home mechanical ventilation, Mortality, Chronic respiratory failure, Non-invasive ventilation
Plan
Vol 162
Article 105877- février 2020 Retour au numéro
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