Table 1

Categories of surgical complexity (based on Jenkins et al8), surgical procedures, mortality, and initial serum lactate

CategoryProcedureNo (%)No (%) diedMedian (range) lactate (mmol/l)
IVArterial switch (n=9)21 ( 21.2)4 (19.0)4.9 (1.0-17.6)
Fontan procedure (n=5)
Hypoplastic left heart syndrome (n=7) (Norwood stage 1)
IIITruncus arteriosus (n=2)43 (43.4)4 (9.3)2.4 (0.6-17.0)
Pulmonary homograft (n=15)
Aortic homograft (n=19)
Glenn procedure (n=7)
IIVentricular septal defect (n=17)35 (35.3)1 (2.8)2.0 (0.8-11.5)
Atrioventricular septal defect (n=9)
Fallot’s tetralogy (n=9)