Diagnosis and OutcoMes evaluAtIoN of Multicenter Patients With HFpEF Using Multimodality Imaging : Multimodality Imaging (Cardiovascular Magnetic Resonance Imaging, Echocardiography, and Nuclear Medicine Imaging) in the Screening, Diagnosis and Risk Stratification of Heart Failure With Preserved Ejection Fraction- a Multicenter Study.

Heart Failure with Preserved Ejection Fraction (HFpEF) is a special subtype of Heart Failure (HF), and the incidence of HF cases is rising to 4.5 million every year, according to "Chinese cardiovascular disease report 2018" and "China Heart Failure and diagnostic guidelines 2018". In 2000, the incidence of patients with chronic Heart Failure is as high as 0.9%, and faces significantly increase with the increase of age. Moreover, HFpEF patients accounted for over 50% of heart failure, presenting normal left ventricular ejection fraction (LVEF), and nonspecific HF clinical performance. In addition, as a heterogenous disease, HFpEF is often associated with various comorbidities, including hypertension (~ 75%), diabetes (~ 40%), obesity (> 80%), aging (~ 75 years), renal dysfunction (25-50%), pulmonary hypertension (~ 50%), and other diseases. There is still much confusion about the pathophysiology of the disease, and no effective treatment was confirmed, therefore the diagnosis and treatment HFpEF has some challenges. With the increase of cardiovascular risk factors such as hypertension (morbidity: 23.2% in 2018), diabetes (morbidity:10.9% in 2018, treatment rate 32.2%) and the aging trend, the morbidity and mortality of HFpEF are still on the rise, posing a threat to the life quality of more and more patients. Early identification and intervention of HFpEF is an important method to reduce mortality and improve prognosis. Yet, many studies have explored the role of different biochemical and inflammatory markers in the diagnosis and prognosis assessment of HFpEF, limited for mixed indicators and low sensitivity.Cardiac Magnetic Resonance imaging (CMR) is a non-invasive "one-stop" examination, including cardiac structure, function, tissue characteristics, blood perfusion examination. In particular, the emerging T1 mapping and Feature Tracking (FT) techniques enable the early and quantitive identification of cardiac dysfunction prior to abnormal LVEF. It has been found that the Extracellular Volume Fraction (ECV) based on T1 mapping and the myocardial strain parameters based on FT have the ability to diagnose and predict the prognosis of HFpEF patients. Echocardiography takes advantages in early identification of HFpEF patients and reveals the diastolic dysfunction. Nuclear medicine imaging shows priorities in blood perfusion and myocardial viability verification. Magnetic resonance imaging - echocardiography - nuclear medicine multimodal imaging complements and promotes each other, for example, molecular nuclear medicine imaging (recognition of metabolism), echocardiography (primary selection and determination of diastolic dysfunction), as well as the noninvasive high-resolution magnetic resonance and new emerging molecular imaging (identification of macroscopic, microscopic structure and function). The multimodel imaging overcomes the limits of single imaging method, greatly improves the accuracy of early diagnosis ability and diagnosis. However, large studies are based on single-center studies and meta analysis of small samples, and the comprehensive markers derived from multimodel study and multicenter study are lacked. Domestic relevant studies are in the initial stage.To sum up, this study attempts to achieve early diagnosis and intervention of HFpEF and improve life quality of HFpEF patients through a multicenter, large sample cooperative study based on multimodel imaging (CMR imaging, echocardiography, nuclear medicine imaging). This study is expected to deepen the understanding of the pathogenesis and pathophysiological characteristic of HFpEF, providing a set of parameters based on multimodel imaging, hence assisting in early identification of cardiac structure and function change, early diagnosis of HFpEF and achieving risk stratification. In other way, the marker derived from this study may help target treatment of HFpEF..

Medienart:	Klinische Studie

Erscheinungsjahr:	2022
Erschienen:	2022

Enthalten in:	ClinicalTrials.gov - (2022) vom: 18. Apr. Zur Gesamtaufnahme - year:2022

Sprache:	Englisch

Links:	Volltext [kostenfrei]

Themen:	610 Heart Failure Heart Failure, Diastolic Medical Condition: Heart Failure, Diastolic, Multicenter Study Recruitment Status: Recruiting Study Type: Observational

Anmerkungen:	Source: Link to the current ClinicalTrials.gov record., First posted: October 26, 2020, Last downloaded: ClinicalTrials.gov processed this data on April 25, 2022, Last updated: April 27, 2022

Study ID:

NCT04602338 DOMAIN-HFPEF

Veröffentlichungen zur Studie:

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PPN (Katalog-ID):	CTG003556166