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Myocardial Stiffness Evaluation in Patients With Heart Failure With Preserved Ejection Fraction

Recruitingn/aAges 18 Years - 80 YearsAllHaiyan Wang
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In plain words

What the trial is, and whether it could suit you

The goal of this observational study is to evaluating myocardial stiffness in patients with heart failure with preserved ejection fraction (HFpEF) by intrinsic wave velocity propagation (IVP). The main questions it aims to answer are: * Whether myocardial stiffness assessed by IVP in patients with HFpEF Increased. * Whether IVP is related to the cardiac structure and function in patients with HFpEF. * What are the risk factors that may be associated with heart failure rehospitalization in patients with HFpEF? * Whether increased myocardial stiffness is a risk factor for heart failure rehospitalization. Participants will undergo transthoracic echocardiography to obtain conventional ultrasound parameters, and software post-processing analysis to obtained two-dimensional strain parameters and IVP, as well as general clinical data and laboratory test results. Clinical followed up was perfo

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📋 Eligibility rules (as published)
Inclusion Criteria: Meet the diagnostic criteria for HFpEF in the 2022 AHA/ACC/HFSA Guidelines for Heart Failure Management: * Present with signs and symptoms of heart failure; * LVEF≥50%; * There is at least one additional criterion: Increased BNP (BNP≥35pg/ml, NT-pro BNP\>125pg/ml) and resting echocardiography measured E/e' ≥ 15; Stress echocardiography determined E/e' ≥ 15; Cardiac catheterization at rest, PCWP ≥ 15 mmHg or LVEDP ≥ 16 mmHg; The PCWP at peak exercise was ≥ 25 mmHg. Exclusion Criteria: * Acute coronary syndrome, acute heart failure or coronary revascularization in three months; * HFimpEF, cardiomyopathy, severe valvular heart disease, arrhythmia; * Thyroid dysfunction, pulmonary hypertension, past or current pulmonary embolism, severe chronic obstructive pulmonary disease, malignancy/renal failure (less than 30) ml/min); * Poor echocardiogram image quality.
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What it tests

  • Echocardiography examination
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Where

1 site
The First Affiliated Hospital of Shandong First Medical University
Jinan, China
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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