Noninvasive Estimation of Left Ventricular Diastolic Function in Patients with Hypertension and Normal Ejection Fraction Using 2-Dimensional Speckle Tracking Echocardiography | ||
Al-Azhar International Medical Journal | ||
Volume 2025, Issue 3, March 2025, Pages 105-110 PDF (389.67 K) | ||
Document Type: Original Article | ||
DOI: https://doi.org/10.21608/aimj.2025.446471 | ||
Authors | ||
Mostafa Attia Al-Sawasany; Ahmed Mohamed El-Benny; Mohamed Magdy Mohamed Sadek* | ||
Cardiology department, Al-Azhar university Faculty of medicine, Cairo, Egypt. | ||
Abstract | ||
Background: Hypertension leads to increased left ventricular (LV) wall stress, afterload, and remodeling, resulting in diastolic dysfunction and hypertensive heart disease. Assessing LV end-diastolic pressure (LVEDP) is crucial for early detection of diastolic impairment. Aim: To assess diastolic function, with a particular focus on (LVEDP), in hypertensive patients utilizing speckle tracking echocardiography (STE), a non-invasive technique, to compare the non-invasive findings obtained from (STE) with the invasive measurements acquired through cardiac catheterization. Methods: This study compares LVEDP in 25 hypertensive vs. 25 normotensive patients using invasive catheterization and echocardiography-derived KT index, which states that Estimated LVEDP= 10.8–12.4 [KT index] where KT index equals [log10 (active LAEF/minimum LAV)]. Results: Hypertensive patients showed significantly elevated estimated LVEDP (p < 0.0011), measured LVEDP (p < 0.0011) than the upper limit of normal LVEDP. Passive and active left atrial ejection fractions (LAEF%) were significantly reduced (p < 0.0011), indicating impaired atrial function. Wilcoxon analysis confirmed a strong correlation between estimated and measured LVEDP (p < 0.001). Conclusion: Speckle tracking echocardiography provides a reliable, non-invasive method for detecting diastolic dysfunction, demonstrating a strong association between hypertension and elevated LVEDP. | ||
Keywords | ||
left atrium; 2D speckle tracking strain; HFpEF; LVEDP; HTN | ||
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