The Association of the Cerebral Protection Strategy with Early Mortality and Postoperative Stroke in Acute Type A Aortic Dissection: A Systematic Review and Meta-Analysis

Table 2

Patient characteristics.

	Antegrade cerebral perfusion (n = 11, 355)	Retrograde cerebral perfusion (n = 2, 549)	Hypothermic circulatory arrest only (n = 2, 972)
Age, mean	56	61	61
Male, n (%)	7, 845 (69)	1, 647 (65)	1, 915 (64)
Cardiopulmonary bypass time, minutes, mean	190	201	185
Circulatory arrest time, minutes, mean	32	35	24
Hypothermia temperature, mean	24	20	25
Total arch reconstructed, n (%)	5, 551 (49)	153 (6)	447 (15)

Estimated as a patient count weighted mean of reported mean/median values of included studies.