Home non-invasive ventilation use following acute hypercapnic respiratory failure in COPD

https://doi.org/10.1016/j.rmed.2014.03.006Get rights and content
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Summary

Rationale

Patients with COPD and hypercapnic respiratory failure have a worse prognosis and experience a faster deterioration in their pulmonary function. The benefit of home NPPV following an acute exacerbation of COPD with hypercapnic respiratory failure is not well understood.

Objectives

To evaluate the effect of home NPPV use in patients following a hospitalization for AECOPD with acute hypercapnic respiratory failure on event-free survival after an index admission.

Methods

We conducted a retrospective, single-center, chart review on patients hospitalized in 2011 with a diagnosis of AECOPD, hypercapnia, and used NPPV during hospitalization. 166 patients were included and were divided into two groups: patients who used NPPV post discharge and patients who did not.

Results

Patients in the NPPV post discharge group demonstrated superior event-free survival compared to the no-NPPV post discharge group (х2 = 23.8, p < 0.0001). The NPPV post discharge group had a statistically significant reduction in hospital readmissions (40% versus 75%, p < 0.0001) through 180 days from the index admission.

Conclusions

Patients who used NPPV following an admission for AECOPD with hypercapnic respiratory failure had lower readmission rates and improved event-free survival after 180 days from an index admission compared to patients who did not use NPPV post discharge.

Keywords

COPD
Hypercapnia
Non-invasive positive pressure ventilation
BIPAP
Respiratory failure
Non-invasive ventilation

Abbreviations

AECOPD
acute exacerbation of chronic obstructive pulmonary disease
AHRF
acute hypercapnic respiratory failure
COPD
chronic obstructive pulmonary disease
EPAP
expiratory positive airway pressure
FVC
forced vital capacity
HRQoL
health-related quality of life
ICU
intensive care unit
IPAP
inspiratory positive airway pressure
NPPV
non-invasive positive pressure ventilation

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