TSAT overreacts to inflammation, failing to reveal the correct status of available iron for erythropoiesis in acute inflammatory disease, but the use of CHr is expected to avoid these disadvantages, providing a reliable direct marker of iron status in the acute infection phase.
A 48-year-old male presented with an acute change in mental status due to a marked elevation of plasma NH3and was diagnosed with citrullinemia with amino acid analysis of blood. Hemodialysis and hemodiafiltration were performed, but serum chemical analysis did not show any improvement which led us to terminate dialysis following intensive care for 3 days. Surprisingly, NH3level had decreased by 6 days after admission, coinciding with normalization of the size of the pupils. Since spontaneous remission had never been discussed, we discuss this relatively rare, but clinically significant entity with regard to its acute phase managementand its potential reversibility. (Internal Medicine 39: 925-929, 2000)
An immunochemical method was developed for measurements of serum levels of apolipoprotein A-IV (apo A-IV). Using this technique, we found decreased levels of apo A-IV in patients with chronic pancreatitis and malabsorption syndrome and these low levels of apo A-IV in a patient with malabsorption syndrome were overcome after appropriate oral nutrition. Thus, measurements of apo A-IV may provide a good index for the assessment of fat intake and absorption.
A rare case of primary biliary cirrhosis, ulcerative colitis and chronic myelocytic leukemia is described in a 49-year-old Japanese diabetic woman. Primary biliary cirrhosis was diagnosed by characteristic liver histology and positive serum mitochondrial antibody test. Ulcerative colitis was diagnosed by typical findings of barium enema and colonoscopy, negative fecal test for pathogens and compatible rectal histology. Chronic myelocytic leukemia was determined by representative hematologic findings and positive result for Ph1 chromosome. This is the first case with combination of primary biliary cirrhosis, ulcerative colitis and chronic myelocytic leukemia.
The serum levels of apolipoprotein A-IV (apo A-IV) were measured by rocket immunoelectrophoresis in disease-free humans, at fasting and after oral and intravenous fat administration. The studies were extended to patients with chronic pancreatitis, malabsorption syndrome, to postoperative patients on total parenteral nutrition and to patients with liver diseases, cholestasis, diabetes mellitus and chronic renal failure. Oral fat ingestion resulted in an increase of apo A-IV levels which remained elevated even when the postprandial hypertriglyceridemia had disappeared. A transient increase in apo A-IV levels was observed after intravenous fat infusion but the level declined simultaneously with decreases in triglyceride levels. Levels of serum apo A-IV were decreased under conditions where decreased fat intake or malabsorption of nutrients might have been present, such as in patients with chronic pancreatitis, malabsorption syndrome, acute hepatitis in the early stage, obstructive jaundice and in postoperative patients on total parenteral nutrition. On the other hand, the apo A-IV levels were high in patients with chronic renal failure and in those with diabetes mellitus and proteinuria.
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