Evaluate some anatomical features related to indication and surgical time of minimally invasive aortic valve replacement technique through the right anterior thoracotomy at the 2nd intercostal space

  • Nguyễn Tiến Đông Bệnh viện TWQĐ 108
  • Nguyễn Sinh Hiền Bệnh viện Tim Hà Nội
  • Ngô Vi Hải Bệnh viện TWQĐ 108
  • Nguyễn Minh Ngọc Bệnh viện TWQĐ 108

Main Article Content

Keywords

Aortic valve replacement, minimally invasive surgery, right anterior thoracotomy, multiple slices computed tomography.multiple slices computed tomography

Abstract

Objective: To evaluate some anatomical features related to indication and surgical time of minimally invasive aortic valve replacement technique through the 2nd intercostal space right anterior thoracotomy. Subject and method: Study on 74 patients undergoing mininally aortic valve replacement at Hanoi Heart Hospital and 108 Military Central Hospital, from October 2019 to December 2022. Preoperative multiple slices computed tomography to evaluate the position of the aorta and anatomical features related to the surgical technique. Result: The ratio of aorta deviation to the right compared to the right sternal border was 44.6%, left deviation was 55.4%. The average aortic clamping and cardiopulmonary bypass times in aortic valve replacement were 91.4 ± 23.0 and 137.5 ± 27.7 minutes. Left aortic deviation combined with aortic valve calcification ≥ 3000 AU significantly increases the time of aortic clamping and cardiopulmonary bypass. The aortic deviation, valve calcification, distance from aorta to sternum, aortic valve to chest wall, and the diameter of the valve annulus did not have much impact on aortic cross clamping time. Conclusion: The aortic valve replacement technique through the 2nd intercostal space right anterior thoracotomy does not only to be limited to cases with the right deviated aorta but also expands the indications further. Each anatomic feature has not separately impact on surgery time significantly. The left deviated aorta and aortic valve calcification ≥ 3000AU increase aortic cross clamping and cardiopulmonary bypass time.

Article Details

References

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