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You are here: Contents > 2010 > Volume 19 Number 6 November 2010 > AORTIC VALVE DISEASE > Endothelin-1 and Brain Natriuretic Peptide Plasma Levels Decrease After Aortic Surgery

Endothelin-1 and Brain Natriuretic Peptide Plasma Levels Decrease After Aortic Surgery

Giuseppe M. Raffa, Veronica Jackson, Jan Liska, Maria J. Eriksson, Kenneth Caidahl, Per Eriksson, Anders Franco-Cereceda 

1Department of Cardiac Surgery, IRCCS Istituto Clinico Humanitas, Rozzano (MI), Italy, 2Cardiothoracic Surgery Unit, 3Clinical Physiology Unit, Department of Molecular Medicine and Surgery, 4Atherosclerosis Research Unit, Center for Molecular Medicine, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden

Background and aim of the study: Endothelin-1 (ET-1) and B-type natriuretic peptide (BNP) have been reported to be involved in numerous cardiovascular diseases. The study aim was to monitor the circulating plasma levels of these peptides in patients affected by aortic disease, and to identify any changes in such levels after surgical treatment.
Methods: A total of 81 patients (52 males, 29 females; mean age 64 ± 11 years) with aortic disease underwent surgery. The conditions included aortic valve stenosis (n = 36), aortic valve regurgitation (n = 11), ascending aortic aneurysm (n = 6), and combined ascending aortic aneurysm and valvulopathy (n = 28). Circulating plasma levels of ET-1 and BNP were measured in all patients before and at 12 months after surgery.
Results: Compared to the preoperative situation, significant decreases were found postoperatively in

plasma levels of ET-1 (4.2 ± 0.1 versus 3.1 ± 0.1 pM; p <0.001) and BNP (0.071 versus 0.017 ng/ml; p <0.001), combined with an increased cardiac function and decreased ventricular dimensions. The preoperative levels of both peptides were similar in all patient groups, and were decreased to a similar extent regardless of the diagnosis. Basal levels of ET-1 were higher in the trileaflet aortic valve compared to the bicuspid valve (4.0 ± 0.1 versus 3.6 ± 0.1 pM; p = 0.04).
Conclusion: Circulating plasma levels of ET-1 and BNP were decreased after surgery for aortic valve disease. The decrease was unrelated to the presence of ascending aortic aneurysm, and most likely represents a response to cardiac remodeling and the improved functional status of the patients.


The Journal of Heart Valve Disease 2010;19:724-730

Endothelin-1 and Brain Natriuretic Peptide Plasma Levels Decrease After Aortic Surgery

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