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Table 2 The surgical results and the comparison between pre-measured length and actual length of neochordae

From: Real-time three-dimensional transesophageal echocardiography to predict artificial chordae length for mitral valve repair

 

TEE pre-measurement group

Direct measurement group

P- value

Time of CPB (min)

113.0 ± 18.7

127.0 ± 28.9

0.045

Time of ACC (min)

70.0 ± 16.6

86.0 ± 20.7

0.000

Number of artificial chordae

2.0 ± 0.8

1.7 ± 0.6

0.131

Pre-measured neochordae length of anterior leaflet(mm)

21.3 ± 2.8 mm

 

0.608

Actual neochordae length of anterior leaflet(mm)

20.8 ± 2.3 mm

 

Pre-measured neochordae length of posterior leaflet(mm)

20.0 ± 2.1 mm

 

0.385

Actual neochordae length of posterior leaflet(mm)

19.5 ± 2.0 mm

 

Moderate or severe MR during follow-up

1 (3.8%)

4 (18.2%)

0.252

  1. TEE transesophageal echocardiography, CPB cardiopulmonary bypass, ACC aortic cross clamp, MR mitral regurgitation.