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Noninvasive carotid duplex study may be used as predictor test for ischaemic heart disease

N Fatema1, M S Haque, M A Siddique

  • 1Dr Nilufar Fatema, Consultant, Department of Cardiology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Shahbagh, Dhaka, Bangladesh.

Mymensingh Medical Journal : MMJ
|December 8, 2014
PubMed

Insights

Carotid atherosclerosis, indicated by increased intima-media thickness (IMT), is common in patients with ischemic heart disease (IHD). Non-invasive carotid duplex ultrasound can help predict IHD.

Area of Science:

  • Cardiology
  • Vascular Ultrasound
  • Diagnostic Imaging

Background:

  • Ischemic heart disease (IHD) poses a significant global health burden.
  • Carotid atherosclerosis is a known risk factor and marker for systemic atherosclerosis.
  • Early detection of carotid atherosclerosis may aid in IHD risk stratification.

Purpose of the Study:

  • To investigate the prevalence of carotid atherosclerosis in patients with clinically diagnosed IHD.
  • To assess the correlation between carotid intima-media thickness (IMT) and IHD.
  • To evaluate the utility of non-invasive carotid duplex ultrasound in predicting IHD.

Main Methods:

  • Prospective observational study involving 150 in-hospital patients with diagnosed IHD.
  • High-resolution B-mode carotid ultrasound was performed by a single operator.
  • Intima-media thickness (IMT) measurements and atherosclerotic plaque detection were analyzed.

Main Results:

  • The mean IMT was 0.96±0.21mm, exceeding the normal threshold (≤0.8mm) in 85% of IHD patients.
  • Atherosclerotic plaque was detected in approximately 77% of the study cohort.
  • A significant positive correlation was observed between carotid atherosclerosis (IMT) and the presence of IHD.

Conclusions:

  • Carotid atherosclerosis is highly prevalent in patients with IHD.
  • Elevated carotid IMT and plaque presence are associated with IHD.
  • Non-invasive carotid duplex ultrasound is a potentially valuable tool for predicting IHD.

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