Doppler echocardiographic indices in aortic coarctation: a comparison of profiles before and after stenting

Shokoufeh Hajsadeghi1, Seyed-Mohammad Fereshtehnejad, Mahshid Ojaghi

  • 1Department of Cardiology, Rasoul-e-Akram Hospital, Tehran University of Medical Sciences, Iran.

Insights

Doppler echocardiography effectively diagnoses aortic coarctation post-stenting. Key indices like velocity-time integral and pressure half-time show high accuracy for evaluating aortic narrowing and treatment response.

Area of Science:

  • Cardiovascular imaging
  • Interventional cardiology
  • Diagnostic accuracy

Background:

  • Aortic coarctation diagnosis is challenging, particularly in adults.
  • Doppler echocardiography offers a potential simple diagnostic tool.
  • This study evaluates echocardiographic indices for aortic coarctation detection.

Purpose of the Study:

  • Compare pre- and post-stenting Doppler echocardiographic profiles.
  • Assess the diagnostic value of echocardiographic indices for aortic coarctation.
  • Identify reliable indicators for treatment response.

Main Methods:

  • Prospective study of 23 patients with angiographically confirmed aortic coarctation.
  • Performed serial echocardiographic assessments (2D and Doppler) before and after stenting.
  • Calculated diagnostic values of various echocardiographic indices.

Main Results:

  • Most abdominal/descending aorta indices significantly changed post-stenting (p < 0.001).
  • Velocity-time integral and pressure half-time demonstrated high diagnostic accuracy.
  • Mean velocity and pressure gradient of the abdominal aorta showed less significant changes.

Conclusions:

  • Post-stenting echocardiographic profiles establish reliable normal hemodynamic reference values.
  • These indices can serve as unique patient identifiers and reliable indicators of treatment response.
  • Doppler echocardiography is valuable for assessing aortic coarctation and post-intervention outcomes.
Abstract

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