S100A1 as a potential biomarker for the diagnosis of patients with acute aortic dissection

Chenjun Han1, Qiang Liu1, Yuanmin Li1

  • 1Department of Cardio-Thoracic Surgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.

Insights

Plasma S100A1 levels are significantly elevated in patients with acute aortic dissection (AAD). This finding suggests S100A1 has potential clinical value for diagnosing this life-threatening cardiovascular disease.

Area of Science:

  • Cardiovascular Medicine
  • Biomarker Discovery
  • Diagnostic Research

Background:

  • Acute aortic dissection (AAD) is a critical cardiovascular emergency.
  • Early and accurate diagnosis of AAD is crucial for patient outcomes.
  • Current diagnostic methods may require further refinement.

Purpose of the Study:

  • To investigate the plasma concentration of S100A1 in patients with AAD.
  • To evaluate the diagnostic value of S100A1 for AAD.
  • To identify S100A1 as a potential risk factor for AAD development.

Main Methods:

  • Retrospective analysis of 78 AAD patients and 77 healthy controls.
  • Measurement of plasma S100A1, D-dimer, hs-CRP, and cTnT using ELISA.
  • Classification of AAD patients based on the Stanford criteria (Type A and Type B).

Main Results:

  • S100A1 concentrations were significantly higher in AAD patients (Stanford A: 4.9±2.6 ng/mL; Stanford B: 3.5±2.2 ng/mL) compared to controls (0.7±0.6 ng/mL).
  • Elevated S100A1 levels correlated with aortic regurgitation, pericardial effusion, and in-hospital mortality.
  • Receiver operating characteristic (ROC) curve analysis yielded an area under the curve of 0.89 for S100A1 in diagnosing AAD.

Conclusions:

  • Plasma S100A1 is markedly elevated in individuals with acute aortic dissection.
  • S100A1 demonstrates significant potential as a diagnostic biomarker for AAD.
  • S100A1 level is identified as an important risk factor in the pathogenesis of AAD.
Abstract

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