Effect of Intensity of Home Noninvasive Ventilation in Individuals With Neuromuscular and Chest Wall Disorders: A Systematic Review and Meta-Analysis of Individual Participant Data

Mathieu Delorme, Antoine Leotard, Marius Lebret, Claire Lefeuvre, Anda Hazenberg, Mercedes Pallero, Annabel H Nickol, Liam M Hannan, Matthias Boentert, Aycan Yüksel, Wolfram Windisch, Mark E Howard, Nicholas Hart, Peter J Wijkstra, Hélène Prigent, Jean-Louis Pepin, Frederic Lofaso, Charles Khouri, Jean-Christian Borel*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)
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Abstract

INTRODUCTION: Home noninvasive ventilation (NIV), targeting a reduction of carbon dioxide with a combination of sufficient inspiratory support and backup-rate improves outcomes in patients with chronic obstructive pulmonary disease. The aim of this systematic review with individual participant data (IPD) meta-analysis was to evaluate the effects of intensity of home NIV on respiratory outcomes in individuals with slowly progressive neuromuscular (NMD) or chest-wall disorders (CWD).

METHODS: Controlled, non-controlled and cohort studies indexed between January-2000 and December-2020 were sought from Medline, Embase and the Cochrane Central Register. Outcomes were diurnal PaCO 2, PaO 2, daily NIV usage, and interface type (PROSPERO-CRD 42021245121). NIV intensity was defined according to the Z-score of the product of pressure support (or tidal volume) and backup-rate.

RESULTS: 16 eligible studies were identified; we obtained IPD for 7 studies (176 participants: 113-NMD; 63-CWD). The reduction in PaCO 2 was greater with higher baseline PaCO 2. NIV intensity per se was not associated with improved PaCO 2 except in individuals with CWD and the most severe baseline hypercapnia. Similar results were found for PaO 2. Daily NIV usage was associated with improvement in gas exchange but not with NIV intensity. No association between NIV intensity and interface type was found.

CONCLUSION: Following home NIV initiation in NMD or CWD patients, no relationship was observed between NIV intensity and PaCO 2, except in individuals with the most severe CWD. The amount of daily NIV usage, rather than intensity, is key to improving hypoventilation in this population during the first few months after introduction of therapy.

Original languageEnglish
Pages (from-to)488-496
Number of pages9
JournalArchivos de bronconeumologia
Volume59
Issue number8
Early online date11-May-2023
DOIs
Publication statusPublished - Aug-2023

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