Equis ISSN 2398-2977

Peritoneal fluid: protein

Contributor(s): Annalisa Barrelet

Overview

  • Protein is elevated in some forms of abdominal effusions; assists differentiation of transudates, modified transudates and exudates.

Sampling

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Tests

Methodologies

  • Standard Biuret method as for serum protein.

Availability

  • Widely available.

Validity

Predictive value

  • Useful in colic cases   Abdomen: pain - adult  for detection of strangulating bowel.
  • The presence of serosanguinous fluid in the early stages of severe colic helps confirm the presence of infarcted bowel in advance of diagnostic rectal findings.
  • Serial peritoneal fluid samples showing an increase in protein (to >30 g/l) also suggests strangulation and devitalizing of bowel.

Technique (intrinsic) limitations

  • Presence of high concentration of other solutes, eg lipids, can give false high reading.

Result Data

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Further Reading


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