NYHA Class
Item
classified by the cardiologist, primary physician, or nurse practitioner as having no dyspnea (shortness of breath, air hunger) at rest but fatigue, dyspnea, or anginal (primarily chest/arm/back/neck) pain or discomfort with either ordinary (new york heart association classification, nyha class ii) or less than ordinary (nyha class iii) physical activity. they could have been class i (no symptoms) if they were originally diagnosed as having nyha class ii or iii but had responded to treatment.
boolean
C1275491 (UMLS CUI [1])
heart failure
Item
patients must have had evidence of at least one clinical episode of hf diagnosed by a physician or nurse practitioner as fatigue, shortness of breath, and pulmonary congestion.
boolean
C0018801 (UMLS CUI [1])
stable heart failure
Item
patients had to have stable hf (defined as no hospitalizations for 3 mos, no medication changes for 1 mo, no dyspnea at rest, and no sustained resting heart rate greater than 95 bpm).
boolean
C0018801 (UMLS CUI [1])
pickwickian syndrome
Item
diagnosed with pickwickian syndrome, an extreme variant of sleep apnea characterized by severe obesity, respiratory insufficiency, and bi-ventricular failure;
boolean
C0031880 (UMLS CUI [1])
obstructive sleep apnea
Item
known obstructive sleep apnea;
boolean
C0037315 (UMLS CUI [1])
unstable angina, myocardial infarction, or cardiac surgery 3 mos prior to study entry;
Item
unstable angina, myocardial infarction, or cardiac surgery 3 mos prior to study entry;
boolean
C0002965 (UMLS CUI [1])
C0027051 (UMLS CUI [2])
C0018821 (UMLS CUI [3])
aortic stenosis
Item
aortic stenosis;
boolean
C0003507 (UMLS CUI [1])
theophylline
Item
routine use of theophylline;
boolean
C0039771 (UMLS CUI [1])
kyphoscoliosis
Item
kyphoscoliosis (spinal curvature) to the extent that chest and abdominal bands used in sleep recordings could not be kept in place;
boolean
C0575158 (UMLS CUI [1])
antidepressant
Item
receiving antidepressant therapy;
boolean
C0003289 (UMLS CUI [1])
cardiac transplant
Item
cardiac transplant recipient;
boolean
C0018823 (UMLS CUI [1])
psychiatric diagnoses of manic depression, dementia, or depression;
Item
psychiatric diagnoses of manic depression, dementia, or depression;
boolean
C0004936 (UMLS CUI [1])
inability to walk without assistance
Item
inability to walk without assistance;
boolean
C0080331 (UMLS CUI [1])
english
Item
inability to speak/read english;
boolean
C0376245 (UMLS CUI [1])
atrial fibrillation
Item
known atrial fibrillation;
boolean
C0004238 (UMLS CUI [1])
nocturnal continuous positive airway pressure (cpap) or oxygen therapy
Item
current use of nocturnal continuous positive airway pressure (cpap) or oxygen therapy; and
boolean
C0199451 (UMLS CUI [1])
C0030054 (UMLS CUI [2])
exercise program
Item
already participating in an exercise program meeting or exceeding the level of activity in this study.
boolean
C0015259 (UMLS CUI [1])