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[Doppler tissue imaging in myocardial infarction].

G Di Salvo1, V Pergola, M A Tedesco

  • 1Istituto Medico-Chirurgico di Cardiologia, Seconda Università di Napoli, Naples, Italy. giodisal@katamail.com

Minerva Cardioangiologica
|March 30, 2001
PubMed
Summary

Doppler Tissue Imaging (DTI) quantifies left ventricular myocardial function after myocardial infarction (MI). DTI reveals significantly reduced systolic and diastolic velocities in MI patients compared to healthy individuals.

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Area of Science:

  • Cardiology
  • Medical Imaging
  • Echocardiography

Background:

  • Doppler Tissue Imaging (DTI) measures myocardial wall velocities.
  • DTI enables quantitative analysis of systolic and diastolic function.
  • Left ventricular myocardial contraction is crucial for cardiac health.

Purpose of the Study:

  • To evaluate left ventricular myocardial contraction in recent myocardial infarction (MI) patients.
  • To compare standard echocardiography data with DTI findings in MI.
  • To assess the utility of DTI in quantifying cardiac function post-MI.

Main Methods:

  • Studied 15 patients with recent MI and 10 healthy controls.
  • Utilized bidimensional echocardiography with DTI analysis.
  • Analyzed velocities of different myocardial segments.

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Main Results:

  • Myocardial velocities were significantly reduced in MI patients during systole and diastole.
  • Systolic velocities in normokinetic segments were higher than akinetic/diskinetic segments in MI patients (p<0.05).

Conclusions:

  • Myocardial infarction alters left ventricular contraction.
  • DTI provides new indexes for analyzing and quantifying systolic and diastolic function post-MI.