Clinical Study

Clinical Use of Ultrasensitive Cardiac Troponin I Assay in Intermediate- and High-Risk Surgery Patients

Table 2

Perioperative characteristics of all patients, stratified by the occurrence of 30-day cardiovascular events.

All patients (142) Cardiovascular events
Yes ( )No ( )

Postoperative laboratory tests
 NT-proBNP, pg/mL1175 586.97–2987 3699 926–12989 1091 588–2759 0.013
 cTnI postoperative day 1, g/L0.018 0.009–0.036 0.049 0.020–0.425 0.017 0.008–0.032 0.001
 cTnI postoperative day 2, g/L0.019 0.009–0.053 0.192 0.059–0.686 0.018 0.009–0.034 <0.001
 Delta cTnI > 30%*86 (60.5)15 (93.7)71 (56)0.001
Intraoperative events
 Hypotension (systolic < 100 mmHg)91 (64.1)9 (56.3)82 (65.1)0.58
 Bradycardia (heart rate < 50 bpm)33 (23.2)4 (25) 29 (23)1.00
 Blood transfusion18 (12.7)5 (31.3)13 (10.3)0.033
Types of surgery0.046
 Abdominal71 (50)4 (25)67 (53.2)
 Thoracic 10 (7)010 (7.9)
 Vascular 45 (31.7)9 (56.3)36 (28.6)
 Prostate 4 (2.8)04 (3.2)
 Hip 12 (8.5)3 (18.8)9 (7.1)

Data are expressed as number (percentage), mean ± SD, or median [interquartile range] as appropriate. value indicates differences between patients with and without primary cardiovascular events. NT-proBNP: N-terminal pro-B-type natriuretic peptide. cTnI: cardiac troponin I.
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