Clinical relevance of transcranial Doppler in a cardiac surgery setting: embolic load predicts difficult separation from cardiopulmonary bypass

Table 2 Peri-operative outcomes

	LEM (n = 86) (Below 133)	MEM (n = 113) (≥133–413)	HEM (n = 114) (≥ 413	P value
CPB Separation^a
Successful weaning	68(79.1)	95(84.1)	74(64.9)	0.002^*
Difficult weaning	18(20.9)	18(15.9)	40(35.1)	0.002^*
Intraoperative bleeding (mL)	350[220–467.5]	375[215–500]	400[300–600]	0.006^†,‡
Brain desaturation in the operating room (%)^b	37(32.2)	44(37.9)	46(40.4)	0.419
Defibrillation	24(20.5)	35(29.4)	38(32.2)	0.111

^aOnly 306 patients undergoing CPB were included for theses analysis. Low (n = 86), moderate (n = 113) and high HITS (n = 114) group correspond to patients who had below 161 HITS, >161 and 473 HITS and >473 HITS, respectively
^bSee Additional File 1: Table S1
^*Difference between the 3 groups
^†Difference between the Low HITS and High HITS group
^‡Difference between the High and Moderate HITS group
CPB cardiopulmonary bypass, HEM high quantity of embolic material, LEM low quantity of embolic material, MEM medium quantity of embolic material

ISSN: 1749-8090