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Feline hyperaldosteronism is a disease in cats. The symptoms are caused by abnormally high concentrations of the hormone aldosterone, [1] which is secreted by the adrenal gland. The high concentrations of aldosterone may be due directly to a disorder of the adrenal gland (primary hyperaldosteronism), or due to something outside of the adrenal ...
Growth hormone-producing acidophilic pituitary adenomas are the cause of hypersomatotropism in the vast majority of cats. Both dense and sparse granulated cells has been observed in the adenomas of cats with diabetes mellitus and elevated IGF-1 levels; however it is not known whether this is because of different variants of the disease or not ...
Alanine transaminase (ALT), also known as alanine aminotransferase (ALT or ALAT), formerly serum glutamate-pyruvate transaminase (GPT) or serum glutamic-pyruvic transaminase (SGPT), is a transaminase enzyme (EC 2.6.1.2) that was first characterized in the mid-1950s by Arthur Karmen and colleagues. [1]
Left untreated, the cats usually die from severe malnutrition or complications from liver failure. Treatment usually involves aggressive feeding through one of several methods. Cats can have a feeding tube inserted by a veterinarian so that the owner can feed the cat a liquid diet several times a day. If the cat stops vomiting and regains its ...
However, very high elevations of the transaminases suggests severe liver damage, such as viral hepatitis, liver injury from lack of blood flow, or injury from drugs or toxins. Most disease processes cause ALT to rise higher than AST; AST levels double or triple that of ALT are consistent with alcoholic liver disease. [citation needed]
Elevated liver enzymes are found in as many as 50% of patients with simple steatosis. [ 27 ] : 1794 The serum alanine transaminase (ALT) level usually is greater than the aspartate transaminase (AST) level in the nonalcoholic variant and the opposite in alcoholic FLD (AST:ALT more than 2:1).
The ALT levels in hepatitis C rises more than in hepatitis A and B. Persistent ALT elevation more than 6 months is known as chronic hepatitis. Alcoholic liver disease , non-alcoholic fatty liver disease (NAFLD), fat accumulation in liver during childhood obesity, steatohepatitis (inflammation of fatty liver disease) are associated with a rise ...
The proportion of AST to ALT in hepatocytes is about 2.5:1, but because AST is removed from serum by the liver sinusoidal cells twice as quickly (serum half-life t 1/2 = 18 hr) compared to ALT (t 1/2 = 36 hr), so the resulting serum levels of AST and ALT are about equal in healthy individuals, resulting in a normal AST/ALT ratio around 1.