Changes in calcitonin gene‐related peptide, atrial natriuretic peptide and brain natriuretic peptide in patients undergoing coronary artery bypass grafting

Abstract

SummaryThe initiation of cardiopulmonary bypass creates significant derangements in cardiovascular volume status and both endocrine and autonomic nervous system function. To examine whether such derangements might differ in patients with different pre-operative physical status scores, we measured the plasma concentrations of calcitonin gene-related peptide, atrial natriuretic peptide and brain natriuretic peptide, catecholamines and antidiuretic hormone, as well as haemodynamic variables, during and after cardiopulmonary bypass in 27 consecutive patients undergoing coronary artery bypass grafting. The pre-operative levels of atrial natriuretic peptide and brain natriuretic peptide differed significantly between ASA II patients and III and IV patients [mean (SD) brain natriuretic peptide levels ¼ 14 (8.2) vs. 129 (51) pg.ml )1 ]. Plasma calcitonin gene-related peptide increased significantly in both groups after the initiation of cardiopulmonary bypass, and remained increased throughout cardiopulmonary bypass. The changes in plasma epinephrine, norepinephrine and antidiuretic hormone were similar to those reported previously. The changes in plasma calcitonin gene-related peptide, atrial natriuretic peptide and brain natriuretic peptide did not correlate with any changes in haemodynamic variables before or after cardiopulmonary bypass. Measurement of plasma brain natriuretic peptide might usefully be included in the pre-operative evaluation of patients with cardiac disease.

Can Tolvaptan Protect Renal Function in the Early Postoperative Period of Cardiac Surgery? ― Results of a Single-Center Randomized Controlled Study ―

“…22, 23 Thus, we expected that the effect of tolvaptan would be minimal at POD1. Although no significant reduce the amount of furosemide administered while maintaining urine output and renal function and was able to prevent WRF.…”

B-Type Natriuretic Peptide Concentrations and Myocardial Dysfunction in Critical Illness

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The Effect of Tolvaptan on Renal Excretion of Electrolytes and Urea Nitrogen in Patients Undergoing Coronary Artery Bypass Surgery

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