Table 1. Clinical, echocardiographic and procedural characteristic of the study population.
Study population | PAF | PersAF | |
n = 80 | n = 34 | n = 46 | |
Age, years | 62±10 | 60±11 | 63±10 |
Males, % | 62 | 62 | 65 |
Paroxysmal AF, % | 41 | ||
Re-do, % | 35 | 38 | 35 |
RR systolic, mmHg | 144±22 | 141±33 | 141±18 |
RR diastolic, mmHg | 84±13 | 82±10 | 84±14 |
Heart rate, bpm | 79±22 | 71±20 | 86±20 |
BMI, (kg/m2) | 30±6 | 29±7 | 30±5 |
eGFR, ml/min/1.73 m2 | 97±31 | 96±28 | 99±34 |
Medical history, % | |||
Hypertension | 85 | 77 | 89 |
Diabetes mellitus | 19 | 9 | 26 |
Vascular disease | 29 | 18 | 37 |
Previous TE | 8 | 9 | 7 |
CHADS2 score | 1 [1]–[2] | 1 [1]–[2] | 1 [1]–[2] |
CHA2DS2-VASc score | 2 [1]–[3] | 2 [1]–[3] | 3 [2]–[4] |
Medical treatment, % | |||
Beta blockers | 85 | 82 | 87 |
ACEI/ARB | 63 | 50 | 74 |
Statins | 34 | 21 | 41 |
Anticoagulation, % | |||
VKA | 58 | 50 | 65 |
NOACs | 28 | 24 | 33 |
Echocardiographic data | |||
LAD, mm | 44±6 | 41±6 | 46±6 |
LV-EDd, mm | 51±6 | 49±6 | 52±8 |
EF, % | 56±10 | 59±8 | 54±10 |
Procedural data | |||
Substrate modification, % | 32 | 18 | 46 |
CTI, % | 27 | 21 | 28 |
Low voltage areals, % | 34 | 27 | 41 |
CV during procedure, % | 61 | 38 | 78 |
Heparin, total, IU | 13,253±3,152 | 12,382±3,257 | 13,957±3,049 |
First ACT | 268±60 | 259±56 | 271±67 |
ACT at the end of procedure | 285±49 | 282±54 | 287±45 |
Ablation time, s | 1,688 [1103–2,704] | 1,278 [962–2,004] | 2,109 [1,398–2,843] |
Total ablation power, J | 56,616 [39,009–90,262] | 45,414 [35,061–61,952] | 72,769 [44,587–93,872] |
Procedure time, min | 150 [120–213] | 120 [106–175] | 180 [148–233] |
Abbreviations: BMI – body mass index; TE - thromboembolic events, VKA – vitamin K antagonists; ACEI – angiotensin converting enzyme inhibitors; ARB – angiotensin receptor blockers; non-OAC – anticoagulation with aspirin, clopidogrel or low molecular weight heparins, LAD – left atrial diameter, IVSd – interventricular septum end-diatolic, LV-EDd – left ventricular end-diastolic diameter, EF – ejection fraction, LAA – left atrial appendage, SR – sinus rhythm, CV – electrical cardioversion, ACT – activated clotting time.
Data mean ± SD, median [interquartile range], or actual numbers/%.