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Table 2 The peri- and postoperative outcomes for CSLH, MIDLH, and RALH groups

From: Minimally invasive left internal mammary artery harvesting techniques during the learning curve are safe and achieve similar results as conventional LIMA harvesting techniques

Variables

CSLH (n = 64)

MIDLH (n = 42)

RALH (n = 32)

p value

LIMA harvesting time (min)

36.9 ± 14.3

74.4 ± 24.2

164.7 ± 51.9

< 0.001

LIMA damage (%)

0 (0%)

0 (0%)

1 (3.1%)

0.192

Conversion to sternotomy (%)

NA

0 (0%)

0 (0%)

NA

Need of CPB (%)

0 (0%)

0 (0%)

0 (0%)

1.000

Post OP 24 h drainage (ml)

578.8 ± 258.3

451.1 ± 399.2

285.3 ± 313.0

< 0.001

Re-exploration for bleeding (%)

0 (0%)

0 (0%)

0 (0%)

1.000

Ventilation time (h)

17.3 ± 19.1

9.9 ± 12.6

9.2 ± 9.4

0.017

Total ICU stay (h)

50.7 ± 36.1

34.9 ± 27.2

37.1 ± 25.8

0.024

Perioperative MI (%)

0 (0%)

0 (0%)

0 (0%)

1.000

In hospital mortality (%)

0 (0%)

0 (0%)

0 (0%)

1.000

CTA patency on discharge (%)

56/57 (98.2%)

34/36 (94.4%)

27/27 (100%)

0.339

One year CTA patency (%)

47/51 (92.1%)

30/33 (90.9%)

24/25 (96%)

0.754

  1. Continuous data were shown as mean ± SD and categorical data were shown as number plus %. One way ANOVA with Welch robust test for equality of means was applied for statistical analysis. Post hoc analysis was done with Fisher's LSD and Gabriel's tests
  2. CPB cardiopulmonary bypass, MI myocardial infarction, CTA computed tomographic angiography