Tei Index and Heart Shape in Hypertensive Patients
Author Information
Author(s): Karaye Kamilu M
Primary Institution: Bayero University and Aminu Kano Teaching Hospital, Kano, Nigeria
Hypothesis
What is the relationship between the Tei Index and left ventricular geometric patterns in hypertensive patients?
Conclusion
The study found no association between left ventricular geometric patterns and the Tei Index in hypertensive patients, but there was a strong relationship between geometric patterns and left ventricular ejection fraction.
Supporting Evidence
- The prevalence of abnormal Tei Index was 26.8%, which was lower than the prevalence of reduced left ventricular ejection fraction at 38.0%.
- Heart rate was a significant predictor of the Tei Index with a regression coefficient of -0.218.
- There was no association between any left ventricular geometric pattern and abnormal Tei Index.
Takeaway
This study looked at how a heart measurement called the Tei Index relates to the shape of the heart in people with high blood pressure. It found that the shape of the heart is more closely related to how well the heart pumps blood than the Tei Index.
Methodology
A cross-sectional study design was used, recruiting hypertensive subjects referred for echocardiography from October 2008 to September 2009.
Potential Biases
There may be risks of bias due to the exclusion of subjects with other conditions that could affect left ventricular hypertrophy.
Limitations
The study's limitations include the inability of the Tei Index to distinguish between grades of diastolic dysfunction and its partial dependence on preload.
Participant Demographics
The mean age of participants was 56.89 years, with a male to female ratio of approximately 1:1.
Statistical Information
P-Value
0.011
Confidence Interval
95% CI = -0.005 - < -0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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