The nature of hypocalcaemia in acute pancreatitis

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Abstract
A retrospective and prospective study was made of 82 attacks of acute pancreatitis occurring in 80 patients. Attacks were defined as mild (55) or severe (27) according to clinical criteria. Severe attacks were associated with significantly low levels of uncorrected calcium and calculated ionized calcium, both at the time of admission and 48 h later. Patients with severe attacks were found to have lower levels of parathyroid hormone than either those with mild attacks or other patients who had undergone an abdominal operation. These results indicate that severe pancreatitis is associated with true hypocalcaemia, and that deficiency of circulating parathyroid hormone may be a factor in its production.

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