Target blood pressure management during cardiopulmonary bypass improves lactate levels after cardiac surgery: a randomized controlled trial

Table 1 Baseline characteristics of the patients

Characteristics	L-MAP Group (n = 20)	H-MAP Group (n = 20)	ASD^a
Age (yr)	61 [45,68]	63 [53,69]	0.12
Sex (M/F)	12/8	8/12	0.45
BMI (kg•m^− 2)	25.4 [20.0, 26.4]	21.9 [20.6, 26.4]	0.16
ASA (II/III)	5/15	3/17	0.35
Hypertension, n (%)	7 (35)	8 (40)	0.12
Diabetes prevalence, n (%)	1 (5)	1 (5)	0.00
LVEF (%)	60 [50, 63]	63 [61, 65]	0.44
NYHAC (II/III)	7/13	12/8	0.56
Surgical types, n (%)			0.12
AVR	1 (5)	5 (25)
AVP	2 (10)	1 (5)
MVR	3 (15)	1 (5)
MVP	2 (10)	1 (5)
TVP	0 (0)	2 (10)
AVP + MVP	2 (10)	0 (0)
AVR + MVR + TVP	0 (0)	2 (10)
AVR + MVP + TVP	4 (20)	2 (10)
MVR + TVP	5 (25)	1 (5)
MVP + TVP	1 (5)	5 (25)
Operation time (min)	270 [240, 300]	260 [210, 280]	0.55
Aortic occlusion time (min)	90 [82, 127]	110 [80, 132]	0.19
CPB time (min)	140 [120,160]	150 [110, 170]	0.07
Post CPB time (min)	84 [63, 95]	70 [64, 76]	0.51

Abbreviations: MAP Mean arterial pressure, BMI Body mass index, ASA American Society of Anesthesiologists, LVEF Left ventricular ejection fraction, NYHAC New York Heart Association. AVR Aortic valve replacement, AVP Aortic valvuloplasty, MVR Mitral valve replacement, MVP Mitral valvuloplasty, TVP Tricuspid valvuloplasty. ^aASD Absolute standardized difference = difference in means or proportions divided by the standard error; imbalance defined as an absolute value greater than 0.20 (small effect size), 0.5 (median effect size) and 0.8 (large effect size)

ISSN: 1471-2253