الفهرس 
PREOPERATIVE IMAGING AND PLANNINGOnly 14 pages are availabe for public view
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Abstract
Minimally invasive cardiac surgeries have been rapidly progressed in the last 2 decades. The first minimally invasive aortic valve replacement performed in the mid-1990s.Several approaches have been described for minimal invasive aortic valve replacement, the most popular approaches are upper hemi-sternotomy and right anterior mini-thoracotomy. Minimally invasive approaches for primary isolated aortic valve replacement clearly have better cosmetic results but its effect on the postoperative outcomes is still debated and needs further investigations.Our study included 158 patients who were operated for primary isolated aortic valve replacement through either full sternotomy (65 patients), upper J-shaped hemi-sternotomy (72 patients) or right anterior mini-thoracotomy (21 patients). We compared the operative and short-term outcome in each of the minimally invasive approaches with the conventional full sternotomy as well as comparing them to each other.CPB and CC time were significantly longer in the MS group compared with the FS approach (p < 0.001 and = 0.001 respectively). Similarly, in RAT group CPB time was significantly longer than in FS group (p <0.001), but the difference in the CC time was not significant compared to FS (p = 0.61). Compared to FS, both MS and RAT approaches showed a significantly shorter duration of postoperative mechanical ventilation (p = 0.045 and p = 0.03 respectively). Duration of postoperative ICU stay was significantly shorter in the MS group (p = 0.01), but it wasn’t significant in the RAT group (p= 0.66). Hospital stay wasn’t affected by either approach compared to FS (p = 0.22 and 0.73 in MS and RAT respectively).