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. 2013 Sep;66(9):695-9.
doi: 10.1016/j.rec.2013.02.013. Epub 2013 Jun 13.

Minimally invasive aortic valve surgery. A safe and useful technique beyond the cosmetic benefits

Federico A Paredes  1 , Sergio J Cánovas  2 , Oscar Gil  2 , Rafael García-Fuster  2 , Fernando Hornero  2 , Alejandro Vázquez  2 , Elio Martín  2 , Armando Mena  2 , Juan Martínez-León  2
Affiliations

Minimally invasive aortic valve surgery. A safe and useful technique beyond the cosmetic benefits

Federico A Paredes et al. Rev Esp Cardiol (Engl Ed). 2013 Sep.

Abstract

Introduction and objectives: The aim of this study was to compare the in-hospital clinical outcomes of minimally invasive, isolated aortic valve replacement vs median sternotomy.

Methods: Between 2005 and 2012, 615 patients underwent aortic valve replacement at a single institution, 532 by a median sternotomy (E group) and 83 by a J-shaped ministernotomy (M group).

Results: No significant differences were found between the E and M groups in terms of age (69.27 [9.31] years vs 69.40 [10.24] years, respectively), logistic EuroSCORE (6.27 [2.91] vs 5.64 [2.17], respectively), size of implanted valve prosthesis (21.94 [2.04] mm vs 21.79 [2.01] mm, respectively), or the incidence of diabetes, hypercholesterolemia, high blood pressure, or chronic obstructive pulmonary disease. Mean cardiopulmonary bypass time was 102.90 (41.68) min for the E group vs 81.37 (25.41) min for the M group (P<.001). Mean cross-clamp time was 77.31 (29.20) min vs 63.45 (17.71) min for the S and M groups, respectively (P<.001). Mortality in the E group was 4.88% (26). There were no deaths in the M group (P<.05). The E group was associated with longer intensive care unit and hospital stays: 4.17 (5.23) days vs 3.22 (2.01) days (P=.045) and 9.58 (7.66) days vs 7.27 (3.83) days (P<.001), respectively. E group patients had more postoperative respiratory complications (42 [8%] vs 1 [1.2%]; P<.05). There were no differences when postoperative hemodynamic, neurologic, and renal complications, systemic infection, and wound infection were analyzed.

Conclusions: In terms of morbidity, mortality, and operative times, outcomes after minimally invasive surgery for aortic valve replacement are at least comparable to those achieved with median sternotomy. The length of the hospital stay was reduced by minimally invasive surgery in our single-institution experience. The retrospective nature of this study warrants further randomized prospective trials to validate our results.

Keywords: Aortic valve; Cirugía; ICU; Minimally invasive; Mínimamente invasiva; Surgery; Válvula aórtica; intensive care unit.

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