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Non-invasive Evaluation of Myocardial Stiffness by Elastography

NCT02537041 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 100

Last updated 2017-11-06

No results posted yet for this study

Summary

SITUATION ON RESEARCH Diastolic heart failure (HF) or heart failure with preserved systolic function (SF) is the primary cause of heart failure in the elderly (over 2/3 of heart failure in patients over 60 years). Its main cause is hypertension. The diagnosis of diastolic heart failure is still controversial in clinical practice. It is based on ultrasound and biological criteria (or MRI). Basically, it is concerned patients making acute pulmonary edema with preserved SF and high BNP. It is now recognized that the "primum movens" of this type of HF is increased myocardial stiffness secondary to LVH. Noninvasive assessment of this parameter would allow a more accurate and reliable diagnosis because not dependent on load conditions unlike the ejection fraction (EF) and trans-mitral Doppler. However, the absence of non-invasive tool for the direct evaluation of the diastolic stiffness (so-called passive) prevents to date to use this diagnostic parameter.

The investigators propose here to evaluate noninvasively myocardial stiffness in elderly patients with diastolic heart failure using a new imaging tool that uses an innovative ultrasonic technology, the ultrafast echo associated with its elastography function "ShearWave Imaging" (SWI). The investigators work for several years in collaboration with the Langevin Institute on this technology which was recently validated in experimental models. Its principle is based on the creation of a shear wave from a standard ultrasound and calculating the velocity of this wave with the high time resolution of the ultrasound probe, this being correlated with the speed myocardial stiffness.

The human study was recently made possible by the development of a phased array probe having the opportunity to work with elastography mode (SWI).

PURPOSE OF RESEARCH The goal will be to demonstrate the interest of the non-invasive evaluation by ultrafast echo (SWI) of myocardial stiffness in the diagnosis of diastolic heart failure in the elderly.

Conditions

  • Diastolic Heart Failure

Interventions

PROCEDURE

elastography function ShearWave Imaging

non-invasive assessment of myocardial stiffness by elastography

PROCEDURE

MRI

Sponsors & Collaborators

  • Institut National de la Santé Et de la Recherche Médicale, France

    collaborator OTHER_GOV

  • French Cardiology Society

    lead OTHER

Principal Investigators

  • Olivier VILLEMAIN, MD · LAngevin Institute

Study Design

Allocation
NON_RANDOMIZED
Purpose
DIAGNOSTIC
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
20 Years
Max Age
80 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2015-09-30
Primary Completion
2017-03-31
Completion
2017-07-31

Countries

  • France

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02537041 on ClinicalTrials.gov