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. 2012 Jan 6;14(4):445–450. doi: 10.1093/icvts/ivr142

Table 3:

Hybrid procedures: echocardiographic results (n = 54)

Monopolar (n = 19) Bipolar (n = 35)
LAVI (ml/m2)
 3 months 45 ± 10 35 ± 8a
 12 months 40 ± 11 32 ± 7a
P-value 0.09 0.1
LAMax (ml/m2)
 3 months 46 ± 15 40 ± 12a
 12 months 45 ± 13 36 ± 11a
P-value 0.7 0.6
LAMin (ml/m2)
 3 months 27 ± 10 22 ± 6a
 12 months 25 ± 8 19 ± 5a
P-value 0.86 0.8
LAEF (%)
 3 months 41 ± 14 49 ± 15a
 12 months 43 ± 14 54 ± 14a
P-value 0.56 0.9
LA A-P (cm)
 3 months 3.9 ± 0.4 3.7 ± 0.4a
 12 months 3.7 ± 0.4 3.4 ± 0.3a
P-value 0.73 0.04
LA S-I (cm)
 3 months 5.9 ± 0.6 5.7 ± 0.5a
 12 months 5.8 ± 0.6 5.2 ± 0.3a
P-value 0.81 0.008

Normal data were presented as mean ± 1 standard deviation (SD).

LAVI: (biplane) left atrial volume index; LAMax: maximum left atrial volume; LAMin: minimum left atrial volume; LAEF: left atrial emptying fraction; LA A-P: left atrial antero-posterior diameter; LA S-I: left atrial antero-posterior diameter.

aSignificance vs. baseline.