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Abstract
Two patients are presented with complete external biliary fistula, one traumatic in
origin and another which followed biliary tract surgery. Both patients developed a
characteristic clinical picture of weakness, anorexia, apathy, confusion, circulatory
and renal failure with hyperkalemia and finally vascular collapse with severe cardiac
arrhythmias. This complication was shown to be secondary to Na+ and HCO3 depletion. Attention is called to the potential danger of this syndrome in patients
with hypertensive cardiovascular or hepatic disease routinely deprived of sodium chloride
in their chronic management who undergo biliary tract surgery followed by common duct
drainage.
Bile obtained from these patients showed Na+ concentration which was consistently greater than that of serum. In the first case,
average daily Na+ loss through the fistula was 262 mEq.; in the second, 72 mEq. Both patients showed
dramatic improvement with Na+ replacement and correction of acidosis.
It may be concluded that there is a potential danger of severe hyponatremia in patients
with external biliary fistula. Electrolyte losses by this mechanism should be measured
and replaced.
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Article info
Publication history
Received:
September 8,
1961
Identification
Copyright
© 1962 Published by Elsevier Inc.