Open Access

Table 2

Subgroup analysis: Patient demographics for aortic cross-clamp time greater than 120 min.

Characteristic HKB DNC p-value
N 64 64
Age 57 (45, 72) 62 (45, 69) 0.83
Male 40 (63%) 46 (72%) 0.26
Euroscore II 2 (1, 5) 2 (1, 5) 0.92
BMI 27 (24, 30) 28 (24, 33) 0.40
Diabetic 11 (17%) 11 (17%) 1.00
Insulin dependent 5 (8%) 2 (3%) 0.44
Baseline creatinine (umol/L) 85 (69, 104) 85 (71, 104) 0.75
Dialysis dependent 1 (2%) 1 (2%) 1.00
Pulmonary hypertension 10 (16%) 9 (14%) 1.00
COPD 19 (30%) 19 (30%) 1.00
Smoking history 33 (52%) 34 (53%) 0.86
PVD 2 (3%) 0 (0%) 0.50
Cerebrovascular disease 7 (11%) 8 (13%) 1.00
Redo sternotomy 10 (16%) 10 (16%) 1.00
NYHA class
 1 26 (41%) 20 (31%) 0.27
 2 18 (28%) 27 (42%)
 3 15 (23%) 10 (16%)
 4 5 (8%) 7 (11%)
LVEF
 Normal 41 (64%) 36 (56%) 0.83
 Mild dysfunction 15 (23%) 19 (30%)
 Moderate dysfunction 6 (9%) 7 (11%)
 Severe dysfunction 2 (3%) 2 (3%)
Baseline troponin T (ng/L) 17 (27%) 18 (28%) 0.84

Continuous variables are expressed median (IQR), categorical variables are expressed number (%). Abbreviation: HKB – hyperkalaemic blood cardioplegia; DNC – Del Nido cardioplegia; BMI – body mass index; COPD – chronic obstructive pulmonary disease; PVD – peripheral vascular disease; NYHA – New York Heart Association; LVEF – left ventricular ejection fraction.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.