From: A comparison of intraoperative goal-directed intravenous administration of crystalloid versus colloid solutions on the postoperative maximum N-terminal pro brain natriuretic peptide in patients undergoing moderate- to high-risk noncardiac surgery
Colloid
(n = 27)
Crystalloid
(n = 29)
maxNT-proBNP
 Preoperative, pg/mL
95.4
[35.0, 213.6]
45.4
[25.6, 162.3]
p = 0.32
 Maximum, pg/mL
258.7
[197.9, 543.7]
440.3
[177.9, 691.2]
p = 0.29
MINS, No. (%)
5
(19)
7
(24)
p = 0.75