Table 2 Different features of commercially available automatic optimisation algorithms, according to manufacturers
From: ECG optimisation for CRT systems in the era of automatic algorithms: a comprehensive review
Features | Medtronic AdaptiveCRT | Boston SmartDelay | Biotronik AutoAdapt | Abbott Sync-AV | Microport SonR |
|---|---|---|---|---|---|
LV sensing capable | − | + | + | − | − |
Automatic run during follow-up | + | − | + | + | + |
LV preexcitation / LV pacing only | + | + | + | + fusion with RV always paced | + fusion with RV always paced |
Intrinsic Conduction check | + | + | + | + | + weekly |
Check LBBB pattern by EGM timing | − | − | + | − | − |
AV delay (A sense -RV sense) | Range 80–140 ms | + | At 70% A sense-RV sense | 50 ms shorter for each A sense-RV sense | Range 30–250 ms |
AV delay (A pace -RV sense) | Range 100–18 ms | + | At 70% A pace-RV sense | 50 ms shorter for each A pace-RV sense | Range 30–250 ms + Extension 0–125 ms |
VV offset | 0–40 ms | -Manually fixed | Advance 40 ms for each A sense/pace-RV sense | 10–80 ms (in step of 10 ms) | Range 0–48 ms |
Hemodynamic sensor | − | − | − | − | + |
Validated by available literature | + | + | − | + | + |
Available RV pacing minimisation | + MVP | − | − | + VIP | + AAI-SafeR |