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  • Title: Plasma atrial natriuretic peptide levels in children with cardiac diseases: correlation with cGMP levels and haemodynamic parameters.
    Author: Weil J, Strom TM, Brangenberg R, Sebening W, Haufe M, Lang RE, Bidlingmaier F, Gerzer R.
    Journal: Horm Res; 1987; 28(1):64-70. PubMed ID: 2834283.
    Abstract:
    In children with various forms of cardiac diseases (aged 2 months to 16 years) significantly higher plasma atrial natriuretic peptide (ANP; range 36-680, median 247 pg/ml) and cyclic 3'5'-guanosine monophosphate (cGMP; range 0.2-46, median 8.2 pmol/ml) levels were found than in control children (p less than 0.0001). In control children (aged 4 months to 17 years) plasma ANP and cGMP levels were measured in the range of 2.4-98 pg/ml and of 0.2-2.8 pmol/ml, respectively. There was a linear correlation between the two parameters in children with cardiac diseases (r = 0.62, p less than 0.01). Children with elevated mean right atrial pressure (i.e., greater than 6 mm Hg) showed significantly higher plasma ANP levels than children with normal atrial pressure (p less than 0.01). However, there was only a weak linear correlation between mean right atrial pressure and plasma ANP levels (r = 0.48, p less than 0.01). Plasma ANP levels from right atrium, pulmonary artery, left atrium and left ventricle were significantly higher than those from vena cava (p less than 0.05). Analysis of ANP-like immunoreactive material by high performance liquid chromatography suggested that alpha-ANP is the major form of circulating ANP in blood of children with cardiac diseases.
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