Evaluation of left ventricular global function, using Doppler myocardial performance index in patients with systemic

H Sarkar1, M A Siddique, K M Haque

  • 1Department of Cardiology, Bangabandhu Sheikh Mujib Medical University, Shahbag, Dhaka, Bangladesh.

Insights

The Doppler myocardial performance index (Tei index) reveals impaired left ventricular global function in hypertension patients. This index is unaffected by age, aiding treatment strategy in hypertensive individuals.

Area of Science:

  • Cardiology
  • Echocardiography
  • Hypertension Research

Background:

  • Systemic hypertension is a prevalent condition affecting cardiovascular health.
  • Left ventricular global function assessment is crucial for managing hypertensive patients.
  • The Tei index offers a comprehensive measure of myocardial performance.

Purpose of the Study:

  • To compare the Tei index in hypertensive patients versus healthy controls.
  • To evaluate the Tei index's correlation with left ventricular hypertrophy (LVH).
  • To assess the utility of the Tei index in hypertensive populations.

Main Methods:

  • Echocardiographic Doppler assessment using the Tei index.
  • Comparison between 50 hypertensive patients (16 with LVH, 34 without) and 52 healthy controls.
  • Analysis of pulmonary venous flow parameters.

Main Results:

  • Significant differences in left ventricular global function (Tei index) between hypertensive patients and controls.
  • No significant difference in Tei index between hypertensive patients with and without LVH.
  • Increased atrial reversal velocity and duration in hypertensive patients, indicating diastolic dysfunction.

Conclusions:

  • The Tei index effectively differentiates hypertensive patients from controls.
  • The Tei index is not influenced by age, making it suitable for older hypertensive populations.
  • The Tei index may guide treatment strategies and evaluate therapeutic effects in hypertension.

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