Skip to main content

View full-text article in PMC

. Author manuscript; available in PMC: 2018 Oct 1.

Published in final edited form as: Ann Thorac Surg. 2017 Jun 6;104(4):1275–1281. doi: 10.1016/j.athoracsur.2017.02.086

Table 2.

Operative Characteristics and Strategies

Operative characteristics	Surgical Era			p value
Operative characteristics	Early (n = 309)	Middle (n = 316)	Current (n = 259)	p value
CPB time (min; median, IQR)	171 (133–218)	176 (133–229)	186 (153–242)	0.003
Cross clamp time (min; median, IQR)	97 (73–134.5)	106 (76–157)	110 (80–152)	0.04
Circulatory arrest	57 (79.2%)	253 (80.1%)	214 (82.6%)	0.68
Circulatory arrest (min; median, IQR)	29 (24–42)	31 (21–44)	36 (28–48)	0.005
Circulatory arrest without cerebral perfusion (min; median, IQR)	^†	12 (0–27)	6 (0–24)	0.680
Cerebral perfusion used during circulatory arrest	^†	46 (74.2%)	180 (84.5%)	0.06
Cerebral perfusion type				0.43
Antegrade	^†	21 (45.7%)	100 (56.2%)
Retrograde	^†	21 (45.7%)	67 (37.6%)
Both antegrade and retrograde	^†	4 (8.7%)	12 (6.3%)
Cerebral perfusion time (min; median, IQR)	^†	24 (19–34)	29 (20–39)	0.11
Lowest temperature (Celsius; median, IQR)	^†	20 (18–26)	20 (18–24)	0.84
Aortic root repair	49 (15.9%)	123 (38.9%)	174 (67.2%)	<0.0001
Aortic arch repair	83 (26.9%)	82 (26.0%)	96 (37.1%)	0.007

^†

Not captured in STS database during this era

CPB = Cardiopulmonary bypass; IQR = Interquartile range; TEVAR = Thoracic Endovascular Aortic Repair