Relation between three-dimensional and two-dimensional echocardiography and biochemical analysis in patients with

Marcelo Luiz Campos Vieira1, Wercules Antônio Oliveira2, Alexandre Ferreira Cury2

  • 1Hospital Israelita Albert Einstein - HIAE, São Paulo, SP, Brazil.

Insights

Three-dimensional echocardiography (3D Echo) better correlates with cardiac biomarkers like brain natriuretic peptide and creatine kinase MB than two-dimensional echocardiography (2D Echo) for assessing left ventricular ejection fraction in ST-segment elevation acute myocardial infarction patients.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Biochemistry

Background:

  • Prognosis in acute myocardial infarction (AMI) is influenced by myocardial injury markers and adaptive mechanisms.
  • Accurate assessment of left ventricular ejection fraction (LVEF) is crucial for patient management post-AMI.
  • Echocardiography, both 2D and 3D, plays a vital role in evaluating cardiac function.

Purpose of the Study:

  • To evaluate the relationship between biochemical markers and echocardiographic findings in ST-segment elevation AMI patients.
  • To compare the correlation of serum cardiac markers with LVEF derived from 3D Echo versus 2D Echo.
  • To assess the utility of 3D Echo in conjunction with biochemical markers for evaluating myocardial injury.

Main Methods:

  • A prospective study involving 23 patients with ST-segment elevation AMI undergoing primary percutaneous coronary intervention.
  • Collected serum cardiac markers (creatine kinase MB, Troponin I, Myoglobin) and brain natriuretic peptide.
  • Performed 2D Echo and 3D Echo to assess LVEF and ventricular dyssynchrony; statistical analysis included Pearson's correlation and Bland & Altman tests.

Main Results:

  • 3D Echo LVEF showed a strong negative correlation with brain natriuretic peptide (r = -0.7427, p < 0.0001) and creatine kinase MB (r = -0.660, p = 0.001).
  • 2D Echo LVEF demonstrated weaker negative correlations with brain natriuretic peptide (r = -0.5478, p = 0.001) and creatine kinase MB (r = -0.4800, p < 0.0277).
  • No other significant associations were found between the tested parameters.

Conclusions:

  • Three-dimensional echocardiography (3D Echo) demonstrates a superior correlation with serum creatine kinase MB and brain natriuretic peptide compared to 2D Echo for assessing LVEF.
  • These findings suggest that 3D Echo may provide a more accurate assessment of myocardial injury in AMI patients when correlated with specific biomarkers.
  • The study highlights the potential of advanced echocardiographic techniques in refining prognostic evaluations post-myocardial infarction.
Abstract

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