Table 3

Intraoperative characteristics (N=745)

n%
MV replacement23831.9
Biological prosthesis15464.7
Mechanical prosthesis8435.3
MV repair50768.1
Ring size, mean±SD32±3
Repairable valves*578
 Attempted repair52490.7
 Intentionally replaced549.3
 Successful repair of attempted repair50295.8
 Successful repair of repairable valves50286.9
Technique usedn% of 507
Ring+neochordae PMVL
 +Alfieri stitch		247
+40		48.7
+7.9
Ring annuloplasty
 +Alfieri stitch		127
+31		25.0
+6.1
Ring+neochordae AMVL
 +Alfieri stitch		25
+4		4.9
+0.8
Ring+resection PMVL193.7
Ring+neochordae both leaflets
 +Alfieri stitch		5
+2		1.0
+0.4
Ring+neochordae PMVL+resection PMVL40.8
Ring+resection AMVL20.4
Ring+neochordae AMVL+resection PMVL10.2
Tricuspid valve repair567.5
Atrial fibrillation ablation13217.7
Atrial septum defect repair304.0
Mean aortic closs-clamp time, min82±14
Mean cardiopulmonary bypass time, min122±35

  • *See figure 1 for more details.

  • AMVL, anterior mitral valve leaflet; MV, mitral valve; PMVL, posterior mitral valve leaflet.