Research Article

Galectin-3 as a Predictor of Left Ventricular Reverse Remodeling in Recent-Onset Dilated Cardiomyopathy

Table 1

Characteristics of the study population.

CharacteristicAll patients ()LVRR present ()LVRR absent () value

Age (years)48.9 ± 10.548.4 ± 11.850.1 ± 7.40.57
BMI (kg/m2)26.3 ± 4.026.1 ± 4.226.6 ± 3.70.63
Female, (%)13 (23)6 (16)7 (37)0.10
Diabetes, (%)7 (12)6 (16)1 (5)0.40
SBP (mmHg)118.3 ± 15.5119.9 ± 14.8115.1 ± 16.90.28
DBP (mmHg)77.6 ± 8.978.2 ± 8.676.3 ± 9.50.45
Heart rate (bpm)80 ± 2078 ± 1984 ± 210.28
NYHA functional class, (%)0.03
 (i) I5 (9)4 (11)1 (5)
 (ii) II21 (37)17 (45)4 (21)
 (iii) III30 (53)17 (45)13 (68)
 (iv) IV1 (2)1 (5)
Duration of heart failure (months)#1.9 (1.0–3.3)2.0 (1.0–3.4)1.8 (1.0–2.7)0.70
LBBB39 (68.4)25 (65.8)14 (73.7)0.76
LVEDD (mm)67.4 ± 7.267.2 ± 8.367.7 ± 4.40.79
LVEF (%)30.1 ± 8.729.6 ± 8.931.1 ± 8.20.54
Medication at baseline
 (i) ACEI or ARB55 (96)36 (95)19 (100)0.55
 (ii) ACEI or ARB, ≥50% of recommended dose26 (46)19 (50)7 (37)0.41
 (iii) Betablocker53 (93)35 (92)18 (95)1.00
 (iv) Betablocker, ≥50% of recommended dose21 (37)14 (37)7 (37)1.00
 (v) MRA44 (77)29 (76)15 (79)1.00
 (vi) Digitalis34 (60)21 (55)13 (68)0.40
 (vii) Diuretic46 (81)29 (76)17 (89)0.30
Medication at follow-up
 (i) ACEI or ARB55 (96)36 (95)19 (100)0.55
 (ii) ACEI or ARB, ≥50% of recommended dose42 (74)27 (71)15 (79)0.75
 (iii) Betablocker57 (100)38 (100)19 (100)1.00
 (iv) Betablocker, ≥50% of recommended dose40 (70)28 (74)12 (63)0.54
 (v) MRA45 (79)29 (76)16 (84)0.73
 (vi) Digitalis27 (47)18 (47)9 (47)1.00
 (vii) Diuretic46 (81)28 (74)18 (95)0.08
ICD at baseline000
ICD at follow-up6 (11)6 (16)00.16
CRT at baseline000
CRT at follow-up8 (14)3 (8)5 (26)0.10
Galectin-3 (ng/ml)29.4 (16.3–56.2)22.7 (15.6–45.9)47.7 (24.2–63.4)0.03
NT-proBNP (pg/ml)1308 (585 to 2880)1220 (554 to 2192)1818 (724 to 3206)0.35
Creatinine (mg/dl)0.94 ± 0.210.95 ± 0.220.92 ± 0.210.97
GFR (ml/min/1.73 m2)89.4 ± 20.492 ± 2284.3 ± 16.20.18
Myocardial inflammation18 (31.6)10 (26.3)8 (42.1)0.24
Virus-positive genome17 (29.8)12 (31.6)5 (26.3)0.77

Values are (%) or or median (interquartile range, IQR) when appropriate. BMI: body mass index; NYHA: New York Heart Association; LBBB: left bundle branch block; SBP: systolic blood pressure; DBP: diastolic blood pressure; LVEF: left ventricular ejection fraction; LVEDD: left ventricular end diastolic diameter; ACEI: angiotensin-converting enzyme inhibitor; ARB: angiotensin receptor blocker; MRA: mineralocorticoid receptor antagonists; ICD: intracardiac cardioverter defibrillator; CRT: cardiac resynchronization therapy; GFR: glomerular filtration rate. #Duration of heart failure symptoms before inclusion; detected in endomyocardial biopsies.