Serum adenosine deaminase activity and coronary artery disease: a retrospective case-control study based on 9929

Chao Xuan1, Qing-Wu Tian2, Shao-Yan Zhang2

  • 1Department of Clinical Laboratory, The Affiliated Hospital of Qingdao University, 59, Haier Road, Qingdao 266101, China.

Insights

Serum adenosine deaminase (ADA) activity is lower in patients with coronary artery disease (CAD), especially myocardial infarction (MI). This finding suggests ADA may play a protective role in cardiovascular health.

Area of Science:

  • Biochemistry
  • Cardiology
  • Metabolic Disorders

Background:

  • Adenosine deaminase (ADA) is crucial for purine metabolism, converting adenosine to uric acid (UA).
  • Both adenosine and UA are linked to cardiovascular events.
  • The relationship between serum ADA activity and coronary artery disease (CAD) remains unclear.

Purpose of the Study:

  • To investigate the correlation between serum ADA activity and the presence of CAD.
  • To explore the role of ADA in cardiovascular disease pathogenesis.

Main Methods:

  • A hospital-based retrospective case-control study involving 5212 CAD patients and 4717 matched controls.
  • Serum ADA activity was measured using peroxidase assays on an automatic biochemistry analyzer.

Main Results:

  • Serum ADA activity was significantly lower in CAD patients (10.08 ± 3.57 U/l) compared to controls (11.71 ± 4.20 U/l).
  • Lower ADA activity negatively correlated with CAD presence (OR = 0.852, p < 0.001) after adjustments.
  • Patients with myocardial infarction (MI) exhibited the lowest ADA activity (9.77 ± 3.80 U/l).
  • Diabetes and hypertension were associated with increased ADA activity in CAD patients.

Conclusions:

  • Serum ADA activity is significantly reduced in CAD patients, particularly those with MI.
  • This suggests a potential compensatory mechanism involving adenosine levels to protect the cardiovascular system during CAD.
Abstract

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