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Published on: September 17, 2015
[Dynamics of left ventricular longitudinal function in patients with arterial hypertension during therapy with
Insights
Long-term therapy with moexipril and hydrochlorothiazide improved left ventricular (LV) systolic and diastolic function in patients with arterial hypertension and LV hypertrophy (LVH). This treatment led to significant improvements in myocardial mass and cardiac function parameters.
Area of Science:
- Cardiology
- Hypertension Research
- Echocardiography
Context:
- Arterial hypertension frequently leads to left ventricular hypertrophy (LVH).
- Angiotensin-converting enzyme (ACE) inhibitors are a cornerstone in managing hypertension and its cardiac complications.
- Assessing the impact of ACE inhibitor therapy on LV function post-LVH regression is crucial for understanding long-term cardiovascular outcomes.
Purpose:
- To evaluate the effects of long-term moexipril and hydrochlorothiazide therapy on left ventricular (LV) longitudinal systolic and diastolic function.
- To assess functional changes in patients with arterial hypertension following regression of LV hypertrophy (LVH).
Summary:
- A study involving 44 hypertensive patients with regressed LVH after 12 months of moexipril and hydrochlorothiazide therapy utilized tissue Doppler imaging and 24-hour blood pressure monitoring.
- Treatment resulted in decreased myocardial mass and improved 24-hour blood pressure monitoring parameters.
- Significant improvements were observed in diastolic function, indicated by decreased isovolumetric relaxation time (IVRT) and increased early diastolic mitral annular velocity (e'). Systolic function also showed improvement in several LV segments.
Impact:
- Demonstrates that ACE inhibitor and diuretic combination therapy can reverse detrimental cardiac remodeling in hypertensive patients.
- Highlights the restoration of both systolic and diastolic function following LVH regression.
- Provides evidence for the beneficial effects of combined therapy on cardiac mechanics and blood pressure control.
Aim:
To assess left ventricular longitudinal systolic and diastolic function in patients with arterial hypertension in whom regression of left ventricular (LV) hypertrophy (LVH) occurred at the background of long term therapy with angiotensin converting enzyme inhibitor moexipril and hydrochlorothiazide.
Material And Methods:
Analysis was fulfilled in 44 patients (age 51.76+/-5.58 years) with regression of concentric LVH after 12 months of therapy. Complex examination included tissue Doppler imaging of myocardium and 24-hour blood pressure monitoring.
Results:
Decrease of myocardial mass (mean 60.26+/-35.92 g) was accompanied with positive dynamics of parameters of 24-hour blood pressure monitoring. We observed decrease of ivrtm from fibrous annulus of mitral valve at the site of interventricular septum, posterior, inferior, and anterior LV walls--in 38 patients (86.4%); increase of motion velocity of mitral valve fibrous annulus during early LV filling at the site of interventricular septum, inferior and lateral LV walls--in 32 patients (72.72%); elevation of systolic velocity of mitral valve fibrous annulus movement at the site of interventricular septum-- in 21 patients (47.73%), and at the site of LV posterior wall--in 28 patients (63.64%). In 35 patients (79.54%) number of segments with e/a <1.0 decreased from 11.41+/-4.42 to 7.92+/-2.81 (p=0.01). In 39 patients (88.64%) number of segments with ivrt >90 ms decreased from 12.73+/-3.67 to 7.33+/-3.54 (p=0.008). In 34 patients (77.27%) regression of LVH was accompanied with elevation of systolic velocity in basal and middle segments of lateral and inferior left ventricular walls.
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