Chronic heart failure and obstructive sleep apnoea Circulatory System Heart failure
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Stable symptomatic CHF (Left Ventricular Ejection Fraction [LVEF] less than 45%) 2. On optimal medical therapy with obstructive sleep apnoea (Apnea-Hypopnea Index [AHI] more than or equal to 15)
Exclusion criteria
Exclusion criteria: 1. Acute coronary syndrome less than 3/12 2. Primary valvular heart disease 3. Sustained ventricular arrhythmias 4. Stroke with residual neurological deficit
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Changes in peak maximal oxygen uptake (VO2) and six-minute walk distance. | — |
Secondary
| Measure | Time frame |
|---|---|
| Changes in: 1. LVEF 2. Minute ventilation versus carbon dioxide production (VE/VCO2) slope 3. Plasma neurohormonal makers 4. Quality of life | — |
Countries
Scotland, United Kingdom