Detection of Macro-Aspartate Aminotransferase (AST) in an Asymptomatic Patient with Persistent Elevation of AST

Detection of Macro-Aspartate Aminotransferase (AST) in an Asymptomatic Patient with Persistent Elevation of AST

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The persistent increase of aspartate aminotransferase (AST) due to the presence of a macro-AST can confuse diagnostic or therapeutic decisions in many clinical situations.In this study, we report a case of isolated and persistent AST-elevation without any clinical sign Outdoor Barstool of dysfunction in organs such as the liver, skeletal muscle, cardiac muscle, etc.Despite various investigations, no definite cause for the elevation of Mountaineering - Femme - Vetements - Manteau AST could be found.With the help of polyethylene glycol (PEG) precipitation, we showed that macro-AST formation was responsible for the elevation of the AST titer in this case.Early recognition of macro-AST by PEG precipitation can prevent diagnostic confusion and unnecessary and even invasive tests.