Related Experiment Videos
Modified TEI index: a promising parameter in essential hypertension?
Nurgül Keser1, Sezai Yildiz, Nuri Kurtoğ
1Department of Cardiology, University of Maltepe-Istanbul, Istanbul, Turkey. nesenur@superonline.com
Echocardiography (Mount Kisco, N.Y.)
|April 21, 2005
Summary
The modified TEI index effectively assesses global cardiac function in hypertension, showing impaired systolic and diastolic functions even before left ventricular hypertrophy develops. This index is a sensitive tool for monitoring hypertensive patients and guiding interventions.
Area of Science:
- Cardiology
- Echocardiography
- Hypertension Research
Background:
- The modified TEI index is recognized for its efficacy in evaluating global cardiac functions.
- Its specific application and correlation with left ventricular mass index (LVMI) in hypertensive patients require further investigation.
Purpose of the Study:
- To assess the applicability of the modified TEI index in patients with mild to moderate hypertension.
- To determine the relationship between the modified TEI index and left ventricular mass index (LVMI) in hypertensive individuals.
Main Methods:
- Studied 48 hypertensive patients (divided into normal and increased LVMI groups) and 20 healthy controls.
- Utilized 2D, Doppler, and mitral annulus pulse wave tissue Doppler for measurements.
- Calculated the modified TEI index using specific diastolic and systolic time intervals.
Main Results:
- The modified TEI index was significantly higher in hypertensive groups compared to controls (P < 0.0001).
- Group II (increased LVMI) showed a significantly higher modified TEI index than Group I (normal LVMI).
Conclusions:
- The modified TEI index demonstrates impaired left ventricular systolic and diastolic functions in hypertensives, preceding hypertrophy.
- It serves as a safe, feasible, and sensitive indicator for evaluating global ventricular function in hypertension.
- Periodic assessment with the modified TEI index can guide interventions to preserve cardiac function and complements standard Doppler echocardiography.