AV optimization may be performed during ... within a range of ± 20 ms. Whether individually optimized sequential biventricular pacing improves outcome in patients with CRT remains to be proven.
Seventy-two patients (1.4%) required permanent pacemaker implantation. Indications for PPM implantation included: (i) complete atrioventricular (AV) block in 59; of these, 35 were immediate in ...