The incidence of cardiac perforation related to pacing and defibrillation leads is low. The use of active fixation leads is associated with an increased risk of cardiac perforation. We did not find any correlation between the perforation rate and any particular model of the implanted lead.
ICD therapy is effective in SCD prevention in patients with HCM, although the complication rate is significant. Nonsustained ventricular tachycardia seems to be the most predictive RF for appropriate device discharges. Number of RF did not impact the incidence of appropriate ICD interventions.
Intravenous antazoline was effective and safe in the rapid conversion of non-valvular paroxysmal atrial fibrillation to sinus rhythm in patients without heart failure. Clinical Trial Registration number: NCT01527279.
Comparison of PAF and non-AF patient groups showed that intra-atrial conduction delay start in the PAF group earlier (with longer S1S2 intervals) and they are significantly longer in the PAF group. This suggests that atria in patients with PAF are diffusely diseased and that the measured activation delays form one component of an arrhythmogenic substrate.
There is a small but significant gender-related difference in outcome of RFA in patients with AVNRT or AVRT measured with a disease-specific instrument. No significant difference in HRQoL or access to healthcare resources between women and men was found.
Antitachycardia pacing therapy is rarely effective and often harmful in young ICD recipients. In most patients, programming ICD for only VF therapy is sufficient. Routine pre-discharge programming against inappropriate interventions (especially T-wave over-sensing) helps to reduce the incidence of discharges during the follow-up. The incidence of complications and inappropriate therapies is high in young ICD recipients and affects 50% of patients.
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