3.4.1 Studies with the guidance of AI/LSI in ablation
There were 5 studies 15,20,23,28,29 with a total of
739 patients (366 in HPSD group, 373 in conventional group) that ablated
with the guidance of AI or LSI. Whether with the guidance of AI or LSI,
total procedure duration [MD -21.08 min (95% CI -24.63 to -17.54);
P<0.001] and RF duration [MD -9.43 min (95% CI -12.21 to -6.65);
P<0.001] (Supplementary material online, Figure S1, A, B) were
shorter in the HPSD RFA group. Guided by AI/LSI, there was no apparent
difference in freedom from atrial arrhythmia at one year (OR 1.41, 95%
CI 0.88-2.25, P=0.15) and PVR (OR 1.55, 95% CI 0.40-5.98, P=0.52)
(Supplementary material online, Figure S1, C, D) between the two groups.
However, the HPSD RFA group demonstrated higher
freedom from atrial arrhythmia at
one year (OR 1.66, 95% CI 1.12-2.47, P=0.01) and lower PVR (OR 0.32,
95% CI 0.17-0.61, P=0.008) (Supplementary material online, Figure S1,
C, D) without the guidance of AI/LSI.