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Objective: There have been increasing interests in minimally invasive cardiac surgery. We have routinely used a 3D Hi-Vision endoscopy in less-invasive mitral valve surgery for smaller incision and better surgical view.
Methods: Between Nov. 2010 and Nov. 2011, consecutive 59 patients underwent such 3D Hi-Vision endoscopic mitral valve surgeries; MVP in 56 patients and MVR in 3 patients. The procedures were attempted through a 5 cm working port in the right 4th intercostal space.
Results: Surgeries were successfully performed without any additional procedures in all. No patient required intraoperative conversion to a median sternotomy approach. The mean duration of aortic cross clamp and cardiopulmonary bypass was 86.2±21.7 minutes and 124.6±25.2 minutes. Associated procedures were tricuspid annuloplasty in 10 patients and atrial arrhythmia ablation in 7 patients. In the postoperative echocardiography, 48 patients had no MR and 11 patients mild MR.
Conclusions: Our 3D Hi-Vision endoscopic system allowed us to perform less-invasive surgery with good surgical view through a smaller skin incision for any types of atrioventricular valve corrections.