Preexisting disease of 40 patients | Number of patients |
---|---|
Heart disease | 13 (33%)a |
Ischemic heart disease | 6 |
Chronic heart failure | 3 |
Aortic stenosis | 3 |
Atrial fibrillation | 3 |
Mitral regurgitation | 2 |
Pulmonary hypertension | 2 |
Dilated cardiomyopathy | 1 |
Sick sinus syndrome | 1 |
Tricuspid regurgitation | 1 |
Respiratory disease | 5 (12.5%) |
Bronchial asthma | 2 |
Pulmonary aspergillosis | 1 |
Bronchiectasis | 1 |
Pneumoconiosis | 1 |