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  • Title: [ANP in the cirrhotic patient. A clinical contribution].
    Author: Parlapiano C, Labellarte A, Primi F, Cervellini P, La Torre F, Paparo SB, Baccarini S, Di Nardo A.
    Journal: Minerva Endocrinol; 1994 Sep; 19(3):121-6. PubMed ID: 7799893.
    Abstract:
    Pathogenesis of ascites in patients affected by liver cirrhosis is still debated; humoral and haemodynamic factors can play a role. Plasmatic renin activity (PRA), plasmatic aldosterone (PA), atrial natriuretic peptide (ANP) plasma levels, blood Na, K, urea, urinary K and Na were evaluated in 14 patients affected by liver cirrhosis (11 males and 3 females, aged from 38 to 62 years), 8 of them with ascites. The results were compared with those obtained in a control group poised to age and sex to the experimental group. 4 out of 14 patients suffering from ascites unresponsive to medical treatment were submitted to peritoneal venous jugular shunt (PVGS) and blood samples for PRA, PA and ANP were withdrawn immediately before, 4, 8 hours following surgery. The patients affected by liver cirrhosis without ascites showed PRA and PA levels similar to those observed in the control group, while ANP plasma levels were significantly higher (50.6 + 9.6 vs. 39.7 + 9.5 Pg/ml) (p < 0.02). In patients with ascites ANP, PA and PRA levels were higher than those observed in non ascites patients (ANP = 147.8 + 97.3 vs. 50.6 + 9.6 pg/ml; PA = 20.6 + 2.7 vs 7.8 + 0.8 ng/dl; PRA = 4.48 + 0.5 vs 1.9 + 0.34 ng/ml/h). In patients submitted to PVGS, PA and PRA levels were reduced 4 and 8 hours following the surgery, while ANP levels showed significant increase. A natriuretic and diuretic response has been observed even in the absence of ANP plasma levels variations.(ABSTRACT TRUNCATED AT 250 WORDS)
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