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The diagnostic and prognostic value of adenosine deaminase in tuberculous pericarditis

B Komsuoğlu1, O Göldelï, K Kulan

  • 1Department of Medicine, Black Sea Technical University Medical School, Trabzon, Turkey.

European Heart Journal
|August 1, 1995
PubMed

Insights

Diagnosing pericardial tuberculosis is challenging. Measuring adenosine deaminase activity in pericardial fluid offers a highly sensitive and specific diagnostic tool, aiding in predicting constrictive pericarditis development.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Biochemistry

Background:

  • Pericardial tuberculosis diagnosis is difficult due to challenges in isolating the causative organism.
  • Adenosine deaminase (ADA) activity in pericardial fluid is a potential biomarker for various pericardial effusions.

Purpose of the Study:

  • To evaluate the diagnostic utility of adenosine deaminase activity in pericardial fluid for identifying tuberculous pericarditis.
  • To assess the correlation between ADA levels and the development of constrictive pericarditis.

Main Methods:

  • Adenosine deaminase activity was measured in pericardial fluid from 108 patients with effusions of undetermined origin.
  • Patients were categorized into five groups: tuberculosis, idiopathic, neoplasia, bacterial infection, and radiotherapy.
  • Statistical analysis was performed to compare ADA levels between groups and assess diagnostic accuracy.

Main Results:

  • The highest mean ADA value (126 U/L) was observed in tuberculous pericarditis cases, significantly higher than other groups (P < 0.001).
  • Adenosine deaminase activity demonstrated 100% sensitivity and 91% specificity for diagnosing tuberculous pericarditis.
  • A positive correlation was found between elevated ADA levels and the progression to constrictive pericarditis.

Conclusions:

  • Adenosine deaminase activity in pericardial fluid is a valuable and accurate diagnostic marker for tuberculous pericarditis.
  • Elevated ADA levels serve as a significant prognostic indicator for the development of constrictive pericarditis in tuberculous pericarditis.

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