Abstract
One hundred thirty blood samples from 87 patients with renal failure, but without abdominal pain, were analyzed for blood urea nitrogen (BUN), creatinine, amylase, p-isoamylase, and lipase simultaneously. We found that 74, 78, and 80% of the patients had hyperamylasemia, hyperisoamylasemia, and hyperlipasemia. None had amylase higher than five times the upper limit. A few patients (2.3%) had lipase elevated to more than 10 times the upper limit. No significant change of pancreatic enzyme level was noted as a result of hemodialysis, but a significant amount of amylase was removed from the circulation in patients receiving intermittent peritoneal dialysis. Significantly lower pancreatic enzyme levels were observed in patients with less impairment of renal function. We conclude that elevation of pancreatic enzymes in uremic patients is more frequent and more extensive than most articles indicate, and that the extent of increase is related more to renal function than to the modalities of dialysis the patients received.
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