Cardiopulmonary bypass with brain perfusion for renal cell carcinoma with caval thrombosis

Table 1 Details of the two groups

Patients and tumors characteristics	sCPB	CPB+BP	P
Age (yr)	64.0 ± 9.2	66.2 ± 10.2	NS
Gender
Males	7/9 (77.8%)	9/15 (60%)	NS
Females	2/9 (22.2%)	6/15 (40%)
Pre-operative ejection fraction	59.7% ± 0.8%	57.6% ± 4.6%	NS
Comorbidity
Charlson score 0	2/9 (22.2%)	6/15 (40%)	NS
Charlson score ≥ 1	7/9 (77.8%)	9/15 (60%)
Tumor side
Right	7/9 (77.8%)	10/15 (66.7%)	NS
Left	2/9 (22.2%)	5/15 (33.3%)
Tumor diameter (cm)	9.6 ± 2.5	9.6 ± 2.9	NS
Level of thrombosis
3	5/9 (56.6%)	8/15 (53.3%)	NS
4	4/9 (44.4%)	7/15 (46.6%)
Histology
Clear Cell renal carcinoma	7/9 (77.8%)	13/15 (86.6%)	NS
Other	2/9 (22.2%)	2/15 (13.3%)
Infiltration of perirenal tissues	7 (77.8%)	10 (66.7%)	NS
Infiltration of venous wall	3 (33.3%)	4 (26.6%)	NS
N+	1 (11.1%)	2 (13.3%)	NS
M+	2 (22.2%)	5 (33.3%)	NS

NS: Not significant; CPB: Cardiopulmonary by-pass.