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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.