Impact of warming blood transfusion and infusion toward cerebral oxygen metabolism and cognitive recovery in the perioperative period of elderly knee replacement

Table 3 Impacts of different transfusion temperature on perioperative Vs (cm/s), Vd (cm/s), and RI $(\bar{χ} \pm s, n = 40)$

Item	Group	T0	T1	T2	T3	T4	T5
Vs	WBI	90.72 ± 5.29	89.76 ± 5.41	89.34 ± 5.41^a	89.08 ± 5.61^b	89.71 ± 5.65	90.35 ± 4.91
Vs	Control	90.74 ± 4.57	89.57 ± 5.63	88.54 ± 5.59^a	88.04 ± 4.44^b	89.14 ± 4.43	90.16 ± 5.30
Vd	WBI	43.72 ± 3.16	43.20 ± 3.10	42.83 ± 2.93	42.68 ± 3.13	43.03 ± 3.39	43.71 ± 3.19
Vd	Control	43.33 ± 2.95	42.92 ± 3.58	41.88 ± 3.35	41.35 ± 3.28	42.32 ± 3.27	43.30 ± 3.45
RI	WBI	0.52 ± 0.02	0.52 ± 0.04	0.52 ± 0.03	0.53 ± 0.04	0.52 ± 0.03	0.51 ± 0.02
RI	Control	0.52 ± 0.03	0.52 ± 0.03	0.53 ± 0.05^b	0.52 ± 0.04	0.51 ± 0.02	0.51 ± 0.03

ISSN: 1749-799X