Key result
The Mini-variant of the Maze III procedure significantly reduced aortic cross-clamp time (87 vs 127 min, P=0.0002) and cardiopulmonary bypass time compared to the standard Maze III procedure.
Why the study?
Does the Mini-variant of the Maze III procedure reduce perioperative times and maintain similar midterm outcomes compared to the standard Maze III procedure in patients with chronic symptomatic AF and additional cardiac pathology?
Cohort (n=52)
Does the Mini-variant of the Maze III procedure reduce perioperative times and maintain similar midterm outcomes compared to the standard Maze III procedure in patients with chronic symptomatic AF and additional cardiac pathology?
Absolute Event Rate: 87% vs 127%
p-value: p=0.0002
The Mini-Maze procedure offers similar midterm rhythm outcomes to the standard Maze III but with significantly shorter cross-clamp and bypass times, making it a potentially safer option for higher-risk patients.
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May shorten operative times for higher-risk AF patients; leaves open need for RCTs on midterm outcomes.
Z Szalay (1999) conducted a cohort in Chronic symptomatic atrial fibrillation with additional cardiac pathology (n=52). Mini-variant of the Maze III procedure (MINI) vs. Maze III procedure (M III) was evaluated on Aortic cross clamp time (p=0.0002). The Mini-variant of the Maze III procedure significantly reduced aortic cross-clamp time (87 vs 127 min, P=0.0002) and cardiopulmonary bypass time compared to the standard Maze III procedure.
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