Left Atrial Appendage Exclusion in Atrial Fibrillation Radiofrequency Ablation during Mitral Valve Surgery: A Single-Center Experience

Table 2

Efficacy endpoints at discharge and 2-year follow-up.

		Total number	LAA surgical exclusion	No LAA surgical exclusion	value
Total population	At discharge (n; %)	69	37/52 (71.1)	32/48 (66.6)	0.628
	At 2-year follow-up (n; %)	80	44/52 (84.6)	36/48 (75)	0.242
Patients with ML-LAD ≤ 6 cm	At discharge (n; %)	59	29/35 (82.8)	30/40 (75)	0.407
	At 2-year follow-up (n; %)	69	35/35 (100)	34/40 (85)	0.017
Patients with ML-LAD > 6 cm	At discharge (n; %)	10	7/17 (42.2)	3/8 (37.5)	0.790
	At 2-year follow-up (n; %)	11	8/17 (47)	3/8 (37.5)	1

LAA: left atrial appendage; ML-LAD: medial lateral left atrium diameter; SR: sinus rhythm. A value < 0.05 was considered statistically significant.