NCT03385785

Brief Summary

Calcified aortic stenosis is the most frequent valvulopathy in Europe and North America. Aortic stenosis is an obstacle to the ejection of blood from the left ventricle to the aorta and leads to morphological changes in the left ventricle and hemodynamic modifications. Intrinsic ventricular performance can be characterized using three parameters:

  • Ventricular elastance (Ees for End Systolic Elastance) which represents the index of ventricular contractility independently of the load.
  • Arterial elastance (Ea for Arterial Elastance) which represents the post-load
  • The ventriculo-arterial coupling index (Ees / Ea) which represents energy efficiency. For patients with high surgical risk (EuroSCORE II\> 6), TAVI (Transcatheter Aortic Valve Implantation) is recommended for aortic valve replacement. Many complications may occur after TAVI (haemorrhagic, embolic, renal, myocardial ischemia). Post-TAVI complications may also be cardiac decompensation of the underlying cardiac disease to cardiogenic shock. However, literature on left ventricular performance after aortic valvular replacement is poor because of the difficulty and invasiveness of the analysis involved. Cardiac energy analysis plays an additional role in understanding the clinical patients conditions. On this point, cardiac energy modifications, based on ventriculo-arterial coupling, could be indicators of cardiac function. Two methods (ultrasound and pulse contour) are used to understand and explore the ventriculo-arterial coupling, preload, postload, contractility and hemodynamic changes interactions. Echocardiography allows the Ees / Ea and SW / PVA (Stoke work/ pressure-volume area) ratios mesurements. PRAM (Pressure Recording Analytical Method) through the MostCare® monitor, gives common hemodynamic parameters and more specific parameters such as arterial elastance (Ea) cardiac cycle efficiency (CCE), dP / dt. Cardiac cycle efficiency (CCE) is an exclusive variable that describes the hemodynamic performance in terms of energy expenditure in the patient being followed. TAVI procedure is an acute model of ventriculo-arterial coupling modification by treatment of the ventricular ejection obstacle. The PRAM method evaluates the ventriculo-arterial coupling. The aim of our study is to evaluate by PRAM the changes in cardiac energy variables before and after aortic valve replacement by TAVI

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
20

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started Sep 2017

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 14, 2017

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

October 24, 2017

Completed
2 months until next milestone

First Posted

Study publicly available on registry

December 29, 2017

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2018

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2018

Completed
Last Updated

December 29, 2017

Status Verified

September 1, 2017

Enrollment Period

8 months

First QC Date

October 24, 2017

Last Update Submit

December 20, 2017

Conditions

Keywords

Transcatheter aortic valve replacementPressure Recording Analytical MethodVentriculo-arterial couplingMonitoringHemodynamic

Outcome Measures

Primary Outcomes (1)

  • Transcatheter aortic valve implantation (TAVI) impact on cardiac energy performance

    Mesurement of the cardiac cycle efficency (CCE) by PRAM method (Pressure Recording Analytical Method)

    Change from baseline CCE at 30 minutes after transcatheter aortic valve implantation

Secondary Outcomes (3)

  • Echocardiographic cardiac energy performance modification after transcatheter aortic valve implantation

    Change from baseline at 24 hours after transcatheter aortic valve implantation

  • Myocardial ischemia risk

    Change from baseline at 24 hours after transcatheter aortic valve implantation

  • Myocardial ischemia

    Change from baseline at 24 hours after transcatheter aortic valve implantation

Eligibility Criteria

Age18 Years+
Sexall
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Any patients hospitalized for TAVI

You may qualify if:

  • Age \>18 years
  • elective TAVI intervention with femoral access
  • consent

You may not qualify if:

  • permanent arrhythmias
  • pacemaker dependency
  • moderate to severe mitral or tricuspid valve regurgitation
  • intracardiac shunt

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

FRITZ

Nancy, 54000, France

RECRUITING

MeSH Terms

Conditions

Aortic Valve StenosisVentricular Dysfunction, Left

Condition Hierarchy (Ancestors)

Aortic Valve DiseaseHeart Valve DiseasesHeart DiseasesCardiovascular DiseasesVentricular Outflow ObstructionVentricular Dysfunction

Study Officials

  • Caroline FRITZ, MD

    Central Hospital, Nancy, France

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Caroline FRITZ, MD

CONTACT

Bruno LEVY, MD, PhD

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
2 Days
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 24, 2017

First Posted

December 29, 2017

Study Start

September 14, 2017

Primary Completion

May 1, 2018

Study Completion

November 1, 2018

Last Updated

December 29, 2017

Record last verified: 2017-09

Locations