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Table 1 Demographic and clinical characteristics of the study group

From: Benefits of chronic total coronary occlusion percutaneous intervention in patients with heart failure and reduced ejection fraction: insights from a cardiovascular magnetic resonance study

 

Successful CTO-PCI n = 32

Age (y)

59 ± 10.2

Female

8 (21 %)

Hypertension

15 (47 %)

Hyperlipidemia

17 (53 %)

Diabetes

10 (31 %)

HbA1C (%)

7 ± 1.7

History of smoking

 No

13 (41 %)

 Yes

11 (34 %)

 Current smoker

8 (25 %)

Creatinine (mg/dl)

1 ± 0.2

GFR (MDRD-4; ml/min)

58 ± 5.2

Previous stroke

1 (3 %)

Peripheral arterial vasculopathy

8 (25 %)

LVEF (%) by echocardiography

30 ± 6.9

30 (25–35.8)

ACEF score*

2 ± 0.8

2 (1.4–2.7)

Angina

11 (34 %)

NYHA functional class

 1

0

 2

23 (72 %)

 3

9 (28 %)

Atrial fibrillation/Atrial flutter

1 (3 %)

Previous MI

18 (56 %)

Previous STEMI

14 (44 %)

Q waves

19 (59 %)

Previous PCI

11 (34 %)

Previous CABG

4 (13 %)

ACEi/ARB

26 (81 %)

Beta blockers

29 (91 %)

Aldosterone receptor antagonists

14 (44 %)

Diuretics

16 (50 %)

Digoxin

1 (3 %)

Statin

30 (94 %)

  1. Values are given as mean ± standard deviation, median (interquartile range) and n (%). ACEi indicates angiotensin-converting enzyme inhibitor; ARB angiotensin receptor blocker, CABG coronary artery bypass graft, GFR glomerular filtration rate, HbA1C glycosylated hemoglobin, LVEF left ventricular ejection fraction, MI myocardial infarction, NYHA New York Heart Association functional class, PCI percutaneous coronary intervention, STEMI ST-elevation myocardial infarction
  2. *ACEF score: age (y)/ejection fraction (%) +1 (if serum creatinine >2 mg/dL)