Table 1.
Subject Characteristics
| Subject Characteristics | OSA (n=8) | CSA (n=13) | P value |
|---|---|---|---|
| Age (y) | 55.2±5.2 | 52.4±15.6 | ns |
| Gender | |||
| M | 7 | 11 | |
| F | 1 | 2 | |
| CHF etiology | |||
| IHD | 4 | 9 | |
| DCM | 4 | 4 | |
| NYHA | |||
| I | 1 | 0 | |
| II | 2 | 3 | |
| III | 5 | 6 | |
| IV | 0 | 4 | |
| LVEF (%) | 33.1±9.4 | 26.7±7.8 | ns |
| BMI (kg/m2) | 31.7±4.0 | 26.2±4.2 | 0.008 |
| ESS | 8.1±3.2 | 8.6±3.5 | ns |
| AHI (/hr) | 20.6±10.0 | 22.3±13.1 | ns |
| Mean SpO2 | 96.9±0.8 | 96.4±1.0 | ns |
| Min SpO2 | 87.6±3.4 | 83.5±6.1 | ns |
| Medications | |||
| Diuretics | 4 (50%) | 13 (100%) | 0.003 |
| AT2R | 2 (29%) | 1 (8%) | ns |
| Digoxin | 2 (25%) | 4 (31%) | ns |
| Calcium Blocker | 3 (38%) | 2 (15%) | ns |
| Beta-blocker | 5 (62%) | 13 (100%) | 0.016 |
| ACE Inhibitor | 5 (62%) | 11 (85%) | ns |
| Amiodarone | 1 (12%) | 2 (15%) | ns |
(IHD=ischemic heart disease, DCM=dilated cardiomyopathy, NYHA=New York Heart Association classification, LVEF=left ventricular ejection fraction measured by gated blood pool scan, BMI=body mass index, ESS=Epworth Sleepiness Score, AHI=apnea-hypopnea index, AT2R=angiotensin II receptor antagonist)