Spontaneous bacterial peritonitis laboratory findings: Difference between revisions

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* Absoulte neutrophil count - a total count of >250 cells/mm<sup>3</sup> along with positive cultures confirm the diagnosis of spontaneous bacterial peritonitis.
* Absoulte neutrophil count - a total count of >250 cells/mm<sup>3</sup> along with positive cultures confirm the diagnosis of spontaneous bacterial peritonitis.
* Albumin concentration - it is important for the calculation of [[serum-ascites albumin gradient]] , this helps us in identifying the [[portal hypertension]] and prognosis.
* Albumin concentration - it is important for the calculation of [[serum-ascites albumin gradient]] , this helps us in identifying the [[portal hypertension]] and prognosis.
* Protein concentration - low protein concentration is noticed in cases of spontaneous bacterial peritonitis which differentiates it from secondary bacterial peritonitis where it is normal.


==References==
==References==

Revision as of 14:58, 1 August 2012

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-in-Chief: Aditya Govindavarjhulla, M.B.B.S. [2]

Overview

Diagnosis necessitates paracentesis (needle drainage of the ascitic fluid) and laboratory confirmation of ascitic neutrophils > 250/mm3.

Laboratory Findings

Laboratory tests, most importantly ascitic fluid analysis is required for confirmation of diagnosis of spontaneous bacterial peritonitis.

Ascitic Fluid Analysis

  • Absoulte neutrophil count - a total count of >250 cells/mm3 along with positive cultures confirm the diagnosis of spontaneous bacterial peritonitis.
  • Albumin concentration - it is important for the calculation of serum-ascites albumin gradient , this helps us in identifying the portal hypertension and prognosis.
  • Protein concentration - low protein concentration is noticed in cases of spontaneous bacterial peritonitis which differentiates it from secondary bacterial peritonitis where it is normal.

References


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