Effect of Aterial Stiffness on Myocardial Work in Patients With Hypertension

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

160 participants

Study Classification

OBSERVATIONAL

Study Start Date

2020-09-10

Study Completion Date

2021-03-31

Brief Summary

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Hypertension is a serious threat to human health and a major global economic burden.Chronic hypertension can cause left ventricular remodeling and loss of function, eventually leading to heart failure.Exploring the early changes and mechanisms of left ventricular cardiac function caused by hypertension, and to identify individuals who may develop into serious heart injury, may play a positive role in the early prevention and control of heart failure caused by hypertension.Therefore, this study intend to use two-dimensional speckle tracking technology, a non-invasive method to measure left ventricular pressure-strain loop to quantitatively reflect cardiac work index , to study different hypertension patients with normal left ventricular ejection fraction the change of the global and local cardiac work, and the influence of aterosclerosis in thes patients to myocardial work, and explore their relationship with ventricular remodeling and abnormal diastolic function.To improve the understanding of the pathophysiology of hypertension, hypertensive heart disease and heart failure, and to provide scientific support for the early prevention and control of such diseases.

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Detailed Description

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Hypertension is a serious threat to human health and a major global economic burden.Chronic hypertension can cause left ventricular remodeling and loss of function, eventually leading to heart failure. Ventricular remodeling in hypertensive patients is an adaptive and decompensating response to persistent elevated blood pressure and increased myocardial work load. Exploring the early changes and mechanisms of left ventricular cardiac function caused by hypertension, and to identify individuals who may develop into serious heart injury, may play a positive role in the early prevention and control of heart failure caused by hypertension.Therefore, this study intend to use two-dimensional speckle tracking technology, a non-invasive method to measure left ventricular pressure-strain loop to quantitatively reflect cardiac work index , to study different hypertension patients with normal left ventricular ejection fraction (including hypertension without heart damage performance with different degree of high blood pressure, hypertension with diastolic dysfunction , hypertension with left ventricular hypertrophy ) the change of the global and local cardiac work, and the influence of aterosclerosis in thes patients to myocardial work, and explore their relationship with ventricular remodeling and abnormal diastolic function.To improve the understanding of the pathophysiology of hypertension, hypertensive heart disease and heart failure, and to provide scientific support for the early prevention and control of such diseases.

Conditions

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Hypertension; Heart Disease, Hypertensive

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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normotensive group

The medical history and basic examination and examination information were collected. Echocardiography including conventional cardiac ultrasound, tissue Doppler and two-dimensional speckle tracking to measure myocardial strain and noninvasive myocardial work were carried out , and the brachial-ankle pulse wave velocity was measured in parallel.

Echocardiography and pulse wave velocity measurement

Intervention Type OTHER

Echocardiography(Conventional ultrasonic imaging,tissue Doppler imaging and non invasive myocardial work) and pulse wave velocity measurement

Prehypertension group

The medical history and basic examination and examination information were collected. Echocardiography including conventional cardiac ultrasound, tissue Doppler and two-dimensional speckle tracking to measure myocardial strain and noninvasive myocardial work were carried out , and the brachial-ankle pulse wave velocity was measured in parallel.

Echocardiography and pulse wave velocity measurement

Intervention Type OTHER

Echocardiography(Conventional ultrasonic imaging,tissue Doppler imaging and non invasive myocardial work) and pulse wave velocity measurement

hypertensive group

The medical history and basic examination and examination information were collected. Echocardiography including conventional cardiac ultrasound, tissue Doppler and two-dimensional speckle tracking to measure myocardial strain and noninvasive myocardial work were carried out , and the brachial-ankle pulse wave velocity was measured in parallel.

Echocardiography and pulse wave velocity measurement

Intervention Type OTHER

Echocardiography(Conventional ultrasonic imaging,tissue Doppler imaging and non invasive myocardial work) and pulse wave velocity measurement

Interventions

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Echocardiography and pulse wave velocity measurement

Echocardiography(Conventional ultrasonic imaging,tissue Doppler imaging and non invasive myocardial work) and pulse wave velocity measurement

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

Age 18-65 years

The diagnostic criteria of hypertension were blood pressure systolic blood pressure ≥140mmHg and/or diastolic blood pressure ≥90mmHg in the clinic or receiving antihypertensive drug treatment

The normal high-value diagnostic criteria for hypertension were systolic blood pressure 130-139mmhg and or diastolic blood pressure 85-90mmhg in the clinic

LVEF \> 50%

Exclusion Criteria

coronary atherosclerotic heart disease or symptoms of angina

Cardiomyopathy

Valvular heart disease

Diabetes

Atrial fibrillation

Renal function damage

Pregnancy

Secondary hypertension

Chemotherapy for malignant tumors

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes