Effect of average volume-assured pressure support treatment on health-related quality of life in COPD patients with chronic hypercapnic respiratory failure: a randomized trial

Respiratory Research
Doaa M Magdy, Ahmed Metwally

Abstract

The long-term effect of average volume-assured pressure support (AVAPS) on health-related quality of life (HRQOL) in chronic obstructive pulmonary disease (COPD) patients with chronic hypercapnic respiratory failure (CHRF) remains unclear. The objective of this study is to identify the long-term effect of AVAPS in COPD patients with CHRF through assessment of HRQOL, exercise tolerance after six months duration. In this randomized, controlled, parallel-group study, 40 stable hypercapnic COPD patients were randomized in a 1:1 ratio to receive either spontaneous timed AVAPS (ST/AVAPS) (intervention) or Bilevel positive airway pressure (ST/BiPAP) (control). HRQL was measured with the Short Form 12 Health Survey Questionnaire (SF-12). Exercise tolerance assessed by 6 min walking distance. Analyses were done between groups from baseline to the average of six months measurements. AVAPS led to significant 6 months improvements in several domains of (SF-12) compared to the control group, with the greatest improvement seen in general health [treatment effect of 8.2 points (95% confidence interval [95% CI 3.2 to 11.7; p = 0.001)], vitality (treatment effect 5.4 points [95% CI 1.4 to 9.3]; p = 0.001), physical functioning 5.5 points [95% C...Continue Reading

References

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Citations

May 8, 2021·Sleep & Breathing = Schlaf & Atmung·John Mario LevriMontserrat Diaz-Abad

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