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Table 4 Postoperative adverse events

From: Lessons learned from the use of 1,977 in-situ bilateral internal mammary arteries: a retrospective study

Outcome (% unless otherwise indicated)

BIMA

Single IMA

 

n = 1,977

n = 14,387

pvalue

Mortality

1.0

1.8

0.009

De-novo atrial fibrillation

15.6

23.3

<0.0001

Re-exploration for bleeding

3.7

3.7

0.96

De-novo renal failure*

3.9

7.0

<0.0001

Stroke

0.8

1.7

0.003

Deep sternal wound infection

2.4

1.2

<0.0001

Mechanical ventilation > 48 hours

1.8

2.8

0.01

Blood product transfusion

42.2

48.5

<0.0001

Mean hospital length of stay (days)

5

6

0.01

  1. *Defined as a 50-μmol/L absolute rise in baseline serum creatinine or a new need for dialysis.
  2. BIMA bilateral internal mammary arteries.