Clinical Study

Relation of Biomarkers of Inflammation and Oxidative Stress with Hypertension Occurrence in Lone Atrial Fibrillation

Table 1

Baseline characteristics of lone AF patients and healthy controls.

Baseline characteristicsAF patients 
SR controls 
value

Age (years)48.6 ± 11.5 (range: 27–65 years)49.7 ± 9.3 (range: 30–66 years)0.599
Sex (male)37 (74.0)32 (72.7)0.115
Paroxysmal AF34 (68.0)
Newly diagnosed AF25 (50.0)
Time since AF diagnosis (months)36.0 (12.0–108.0)
Current smokers9 (18)10 (22.7)0.614
Moderate alcohol intake11 (22.0)9 (20.4)0.344
Systolic BP (mmHg)120.8 ± 10.0118.5 ± 9.80.257
Diastolic BP (mmHg)75.8 ± 5.575.0 ± 7.80.593
Heart rate (beats per minute)64.5 ± 14.370.7 ± 7.40.106
BMI (kg/m2)25.6 ± 3.523.8 ± 2.220.011
Biochemical parameters
Fasting blood glucose (mmol/L)4.8 ± 0.54.6 ± 0.50.178
Blood urea nitrogen (mmol/L)5.8 ± 1.25.8 ± 1.20.788
Serum creatinine (µmol/L)82.8 ± 15.587.4 ± 12.10.117
Uric acid (mmol/L)292.9 ± 67.2306.7 ± 58.30.244
Total cholesterol (mmol/L)5.7 ± 1.15.7 ± 0.80.926
HDL-C (mmol/L)1.1 ± 0.21.1 ± 0.30.293
LDL-C (mmol/L)3.8 ± 0.83.9 ± 1.00.559
Triglycerides (mmol/L)1.7 ± 0.71.8 ± 0.60.389
BNP (pg/mL)68 (51–132)59 (45–124)0.788
Fibrinogen (g/L)3.3 ± 0.63.0 ± 0.80.018
D-dimer (mg/L)0.244 (0.193–0.313)0.235 (0.171–0.298)0.634
Plasma biomarkers
CRP (mg/L)1.2 (0.7–1.9)1.1 (0.7–1.6)0.030
oxLDL (U/L)66.3 ± 21.257.1 ± 14.60.017
Echocardiographic parameters
LA anteroposterior diameter (mm)39.1 ± 6.237.2 ± 5.70.114
LA volume index (mL/m2)25.7 ± 6.824.2 ± 4.80.234
LV end-diastolic dimension (mm)51.3 ± 4.250.8 ± 3.20.766
LV end-systolic dimension (mm)33.0 ± 3.531.3 ± 2.90.311
LV mass index (g/m2)73.6 ± 13.172.8 ± 14.10.421
LVEF (%)63.6 ± 4.964.1 ± 4.70.544
Medical therapy
Beta-blockers15 (30.0)
Non-dihydropyridine Ca2+ channel antagonists 3 (6.0)
Digoxin2 (4.0)
Propafenone20 (40.0)
Sotalol5 (10.0)
Amiodarone18 (36.0)

Data are presented as (%), mean ± standard deviation, or median with interquartile range; AF: atrial fibrillation; BP: blood pressure; BMI: body mass index; HDL-C: high density lipoprotein cholesterol; LDL-C: low density lipoprotein cholesterol; BNP: B-type natriuretic peptide; CRP: C-reactive protein; oxLDL: oxidized low density lipoprotein; LA: left atrial; LV: left ventricular; LVEF: left ventricular ejection fraction.