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  • Title: Equilibrium of acidifying and alkalinizing metabolic acid-base disorders in cirrhosis.
    Author: Funk GC, Doberer D, Osterreicher C, Peck-Radosavljevic M, Schmid M, Schneeweiss B.
    Journal: Liver Int; 2005 Jun; 25(3):505-12. PubMed ID: 15910486.
    Abstract:
    BACKGROUND AND AIMS: Conflicting results exist with regard to metabolic acid-base status in liver cirrhosis, when the classic concept of acid-base analysis is applied. The influence of the common disturbances of water, electrolytes and albumin on acid-base status in cirrhosis has not been studied. The aim of this study was to clarify acid-base status in cirrhotic patients by analyzing all parameters with possible impact on acid-base equilibrium. PATIENTS AND METHODS: Fifty stable cirrhotic patients admitted to a university hospital. Arterial acid-base status was analyzed using the principles of physical chemistry and compared with 10 healthy controls. RESULTS: Apart from mild hypoalbuminemic alkalosis, acid-base state was normal in Child-Pugh A cirrhosis. Respiratory alkalosis was the net acid-base disorder in Child-Pugh B and C cirrhosis with a normal overall metabolic acid-base state (Base excess-1.0 (-3.6 to 1.6) vs 1.1 (-0.2 to 1.1) mmol/l, P = 0.136, compared with healthy controls, median (interquartile range)). Absence of an apparent metabolic acid-base disorder was based on an equilibrium of hypoalbuminemic alkalosis and of dilutional acidosis and hyperchloremic acidosis. CONCLUSION: A balance of offsetting acidifying and alkalinizing metabolic acid-base disorders leaves the net metabolic acid-base status unchanged in cirrhosis.
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