Research Article
Classification of Left Atrial Diseased Tissue Burden Determined by Automated Voltage Analysis Predicts Outcomes after Ablation for Atrial Fibrillation
Table 2
Baseline and procedural characteristics.
| Baseline and procedural characteristics () |
| Gender (female) | 26 | (24%) | Median age (years) | 62 | [55-70] | Median BMI (kg/m2) | 28 | [26-31] | Persistent AF | 34 | (31%) | CHA2DS2-VASc | 41 | (38%) | LVEF <50% | 8 | (7%) | Hypertension | 39 | (36%) | Diabetes mellitus | 0 | (0%) | Prior stroke or TIA | 5 | (5%) | Vascular disease | 16 | (15%) | Coronary artery disease | 10 | (9%) | Underlying heart disease | 16 | (15%) | Prior CTI ablation | 8 | (7%) | Median LAV (CTA) (ml) | 142 | [124-169] | Median no. of mapped LA points | 958 | [658-1257] | Mapping time (min) | 10 | [8-14] | Dense LA Scar (≤0.2 mV) (%) | 2.49 | [0.54-7.17] | Diseased LA Tissue (≤0.5 mV) (%) | 15.85 | [6.94-28.41] |
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AF: atrial fibrillation; BMI: body mass index; CTA: computed tomography angiography; CTI: cavotricuspidal isthmus; LA: left atrium; LAV: left atrial volume; LVEF: left ventricular ejection fraction; TIA: transient ischaemic attack.
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