Research Article

Matrix Metalloproteinase-9 Production following Cardiopulmonary Bypass Was Not Associated with Pulmonary Dysfunction after Cardiac Surgery

Table 2

Perioperative laboratory data and variables.

PreoperativePostoperative value

White blood cell count, /mm37,500 ± 2,30011,500 ± 4,000<0.001
 N ratio, %65.4 ± 8.686.3 ± 5.5<0.001
 L ratio, %22.9 ± 8.57.8 ± 3.2<0.001
 Neutrophil count, /mm35,000 ± 2,00010,000 ± 3,700<0.001
 Lymphocyte count, /mm31,600 ± 600800 ± 300<0.001
Platelet, /mm3229.8 ± 70.7152.4 ± 38.7<0.001
Hemoglobin, g/dL13.0 ± 2.010.2 ± 1.5<0.001
BUN, mg/dL21.4 ± 14.518.2 ± 10.20.101
Creatinine, mg/dL2.0 ± 2.91.6 ± 1.90.202
AST, U/L29.9 ± 22.240.7 ± 16.80.002
ALT, U/L29.0 ± 23.021.0 ± 8.70.027
Glucose, mg/dL135.7 ± 37.1210.2 ± 44.1<0.001
Lactate, mmol/L1.0 ± 0.43.2 ± 1.9<0.001
Base excess, mmol/L2.2 ± 1.90.1 ± 4.10.012
, mmol/L25.7 ± 2.225.2 ± 3.50.466
Troponin-I, ng/mL3.7 ± 2.8
B-type natriuretic peptide, pg/mL213.1 ± 242.2
Cardiac index, L/min/m23.3 ± 1.1
PaO2/FiO2 ratio, mmHg342.9 ± 81.2207.3 ± 121.3<0.001
PaO2/FiO2 ratio before extubation 325.7 ± 129.80.45
Extubation time, hours38.0 ± 28.6
ICU stay, days3.5 ± 1.4
Hospital stay, days11.7 ± 3.9 (7–23)

Compared with the preoperative data.