Annals of Thoracic and Cardiovascular Surgery
Online ISSN : 2186-1005
Print ISSN : 1341-1098
Original Articles
Early Results of Human Atrial Natriuretic Peptide Infusion in Non-Dialysis Patients with Chronic Kidney Disease Undergoing Isolated Coronary Artery Bypass Grafting: the NU-HIT Trial for CKD-II
Akira SezaiKin-ichi NakataMitsuru IidaIsamu YoshitakeShinji WakuiHiroaki HataMotomi Shiono
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2014 Volume 20 Issue 3 Pages 217-222

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Abstract

Background: Chronic kidney disease (CKD) is an important risk factor for cardiac surgery. In the most recently reported NU-HIT trial for CKD with CKD patients underwent coronary artery bypass grafting (CABG) as subjects, carperitide was reported to be effective in terms of renal function. In the present study, a subanalysis was performed on patients registered in the NU-HIT trial for CKD from the standpoint of renin-angiotensin system, natriuresis and renal function.
Methods: 303 patients with CKD who underwent isolated CABG were divided into a group that received carperitide infusion and another group without carperitide. The renin activity, angiotensin-II, aldosterone, urine-sodium, urine- creatinine, fractional sodium excretion, renal failure index, and BNP levels.
Results: There were significant lower in hANP group than the placebo group, in angiotensin-II at one day postoperatively, and in aldosterone from 0 day to one month postoperatively. FENa was significantly lower in the hANP group at 3 day and one week postoperatively.
Conclusions: In on pump isolated CABG patients with CKD, carperitide showed a potent natriuretic action and inhibited the renin-angiotensin system, suggesting that it prevented deterioration of postoperative renal function. Our findings raise new possibilities for the perioperative and postoperative management of patients undergoing surgery with cardiopulmonary bypass.

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