Table 2.

Univariate risk factors for SSI

Variable

*Pre-operative factors*

ABC score

BSA (m²)

Male

Age (year)

RACHS-1 category

Pre-operative-Ventilatory support or tracheostomy

Pre-operative Hospitalization (day)

Acidosis (EGA)

Shock

Genetic abnormalities

Pre-operative-Hb (g/dl)

Positive nasal culture of MRSA

*Intra-operative factors*

Complexity of surgical procedure

Operation time (hour)

CPB time (hour)

CPB-circuit volume (dl/m²)

Lowest rectal temperature (°C)

DUF±MUF (dl/m²)

*Post-operative factors*

Blood transfusion

Mechanical ventilation (hour)

Chest drainage tube duration (day)

Antimicrobical Prophylaxis (day)

PICU stay (day)

ABC: Aristotle Basic Complexity; BSA: Body Surface Area; CI: Confidence interval; CPB: Cardiopulmonary Bypass; DUF: Dilutional Ultrafiltration; Hb: Hemoglobin; PICU: Pediatric Intensive Care Unit; MUF: Modified Ultrafiltration; MRSA: Methicillin-resistant Staphylococcus aureus; RACHS-1: Risk Adjustment for Congenital Heart Surgery.

(Harder et al., 2013, Murray et al., 2014a, Katayanagi 2015, Nelson-McMillan et al., 2016, Kansy et al., 2012, Costello et al., 2010, Sen et al., 2017, Lex et al., 2013, Turcotte et al., 2014).