Abstract
Catheter ablation has become a standard curative treatment for symptomatic, drug refractory premature ventricular contractions (PVC). The aim of this study was to investigate the efficacy and safety of this procedure in elderly patients. A total of 101 consecutive patients (mean age 50.7 ± 16.9, 53 % women) presenting to our center for ablation of PVC were included and assigned to two age groups (<65 and ≥65 years). Clinical characteristics, procedural parameters, complications and success after 6-month follow up were compared between the two groups. Patients ≥65 years (n = 27) showed a higher rate of hypertension (78 vs. 27 %, p < 0.001), coronary artery disease (19 vs. 12 %, p = 0.01), renal insufficiency (22 vs. 1 %, p < 0.001) and diabetes (22 vs. 3 %, p = 0.001). Left ventricular ejection fraction did not differ between the two groups (56.6 vs. 57.4 %, p = 0.497). In patients <65 years the origin of the PVC was significantly more often in RVOT or LVOT (95 vs. 70 %, p = 0.001). Acute success rates (67 vs. 73 %, p = 0.545) and success rates after 6 months (81 vs. 86 %, p = 0.795) were not different between the two groups. Two complications were observed, both occurred in the <65 years group (1 pericardial effusion and 1 larg...Continue Reading
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