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  • Title: Plasma and right auricle concentrations of atrial natriuretic polypeptide in children with cardiac diseases.
    Author: Akimoto K, Miyata A, Kangawa K, Matsuo H, Koga Y, Matsuoka Y, Hayakawa K.
    Journal: Eur J Pediatr; 1988 Jun; 147(5):485-9. PubMed ID: 2970389.
    Abstract:
    To investigate the atrial natriuretic polypeptide (ANP) levels in congenital heart diseases, we measured plasma immunoreactive ANP (ir-ANP) in 29 patients with left-to-right shunt, and right auricle ir-ANP in 25 patients who underwent operation. The levels of ir-ANP in the pulmonary artery correlated with that in the femoral vein (r = 0.95, P less than 0.001), mean pulmonary arterial pressure (r = 0.74, P less than 0.001) and right atrial pressure (r = 0.53, P less than 0.01). The right auricle ir-ANP level was high in patients with heart failure combined with pressure or volume overload of the right atrium, as observed in tricuspid atresia, complete endocardial cushion defect, and total anomalous pulmonary venous drainage. These results suggest that the production of ANP in the atrium increases as a compensatory or secondary response to persistent release of ANP into the circulation in cardiac diseases.
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