Table 6 Comparison of postreperfusion and postoperative outcomes in patients with and without postreperfusion hyperkalemia

sK⁺₁ (mmol/L)

6.36 ± 0.57

4.77 ± 0.39

 < 0.001

sK⁺₅ (mmol/L)

4.20 ± 0.96

3.36 ± 0.46

 < 0.001

Maximum percentage increase in sK⁺ after reperfusion (%)

51.61 ± 23.62

20.27 ± 13.88

 < 0.001

Significant arrhythmias (n)

36 (66.7%)

6 (18.8%)

 < 0.001

Cardiac arrest (n)

6 (11.1%)

1 (3.1%)

0.250

Severe PRS (n)

43 (79.6%)

18 (56.3%)

0.021

Ventilation time (hours)

3.8 (2.7–6.6)

4.0 (2.1–5.5)

0.834

Length of ICU stay (days)

3.0 (2.5–4.0)

3.4 (2.7–4.2)

0.444

Hospitalization time (days)

18.5 (15.0–27.0)

21.0 (17.0–25.8)

0.178

EAD (n)

32 (59.3%)

5 (15.6%)

 < 0.001

AKI (n)^a

22 (43.1%)

18 (62.1%)

0.104

Re-operation (n)

4 (7.4%)

4 (12.5%)

0.432

In-hospital mortality (n)

2 (3.7%)

2 (6.3%)

0.626