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STD (n=259) |
MIPA (n=111) |
p |
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Hospital mortality |
9.7%(25) |
7.2%(8) |
.449 |
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Length of stay, days, mean ± SD (median) |
17.6± 17.2 (12.0) |
11.6± 11.8 (7.0) |
.001 |
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Cardiopulmonary bypass time (min.) |
118± 43 |
124± 35 |
.204 |
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Aortic clamp time (min.) |
82.6± 31.5 |
82.6± 31.2 |
.819 |
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Plasma transfusion (median) (units) |
2.0 |
1.0 |
.040 |
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Sepsis or wound complication |
7.7% (20) |
1.8% (2) |
.027 |
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Stroke |
3.5% (9) |
3.6% (4) |
>.05 |
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Renal failure, dialysis |
4.2% (11) |
2.7% (3) |
.476 |
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Respiratory failure |
11.2% (29) |
13.5% (15) |
.528 |
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MI |
0.4% (1) |
0% (0) |
.647 |
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Bleeding requiring reoperation |
3.1% (8) |
6.3% (7) |
.150 |
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Heart Block, permanent pacemaker |
6.3% (15) |
0% (0) |
.069 |
Table 2. Comparison of the standard sternotomy (STD) and minimally invasive port access (MIPA) groups' operative variables, hospital mortality, and perioperative complications.
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