4006-776-356 出国就医服务电话

免费获得国外相关药品,最快 1 个工作日回馈药物信息

出境医 / 临床实验 / Prognostic Impact of Imaging Parameters in Patients With Primary Mitral Insufficiency by Prolapse (COHORTE-IM) (COHORTE-IM)

Prognostic Impact of Imaging Parameters in Patients With Primary Mitral Insufficiency by Prolapse (COHORTE-IM) (COHORTE-IM)

Study Description
Brief Summary:

Degenerative mitral insufficiency secondary to valve prolapse is the most common valve disease in Western countries. In the absence of specific treatment, it spontaneously progresses to heart failure and death when it is severe. Surgical mitral valve repair (or mitral plastic surgery) is the preferred treatment for primary mitral insufficiency by prolapse in case of severe leakage if associated with clinical and/or echocardiographic markers of poor prognosis (i.e., with high risk of morbi-mortality during their follow-up).

It is therefore essential to refine the risk stratification of these patients in order to identify at-risk patients who should potentially benefit earlier from invasive care (cardiac surgery), or conversely, close monitoring.

A number of echocardiographic and MRI parameters may have been associated with a poorer prognosis.

A cohort of patients with primary mitral insufficiency (MI) will be followed to study the relationships of a set of factors to patient prognosis.


Condition or disease Intervention/treatment
Mitral Valve Insufficiency Other: Echocardiography and MRI

Detailed Description:

Degenerative mitral insufficiency secondary to valve prolapse is the most common valve disease in Western countries. In the absence of specific treatment, it spontaneously progresses to heart failure and death when it is severe. Surgical mitral valve repair (or mitral plastic surgery) is the preferred treatment for primary mitral insufficiency by prolapse in case of severe leakage if associated with clinical and/or echocardiographic markers of poor prognosis (i.e., at high risk of morbi-mortality during their follow-up).

It is therefore essential to refine the risk stratification of these patients in order to identify at-risk patients who should potentially benefit earlier from invasive care (cardiac surgery), or conversely, close monitoring.

Beyond the regurgitation severity parameters, a number of regurgitation resonance parameters may have been associated with a poorer prognosis. These parameters include dilation of the left ventricle (increase of telesystolic diameter), of the left atrium, decrease of left ventricular ejection fraction (FE VG), and increase of pulmonary pressures (pulmonary hypertension). The relationship between left, right ventricular function, atrial function evaluated by new echocardiographic techniques (Speckle tracking, 3D) and prognosis has been poorly studied.

These new innovative techniques are now available in clinical routine and allow an evaluation of size and cardiac function parameters in a more reproducible way than conventional methods. The relationship between prognosis and the assessment of regurgitation severity by the convergence zone method (PISA method) has been well documented in the literature. However, the PISA method presents well-documented reproducibility problems. Other methods of quantification exist, either by echocardiography (qualitative, semi-quantitative and quantitative methods) or by MRI (quantitative methods). They are useful in clinical practice in a multiparametric approach, but their relationship to prognosis has been not well studied.

Thus, the prognostic impact of the following parameters must be studied:

  • Echocardiographic and MRI parameters of primary insufficiency severity and their combination
  • Ventricular and atrial functions measured by innovative echocardiographic methods (speckle tracking, 3D, left ventricular ejection performance parameters)
  • The remodeling of cardiac cavities related to mitral insufficiency evaluated by echocardiography and MRI, apart from the diameter of the left ventricle and the size of the left atrium that has already been studied.

A cohort of patients with primary mitral insufficiency (MI) will be followed up to study the relationships of all these factors with patient prognosis. Part of this cohort will be retrospective, and part will be prospective.

Study Design
Layout table for study information
Study Type : Observational [Patient Registry]
Estimated Enrollment : 400 participants
Observational Model: Cohort
Time Perspective: Prospective
Target Follow-Up Duration: 10 Years
Official Title: Prognostic Impact of Non-invasive Imaging Parameters (Cardiac Echocardiography and MRI) in Patients With Primary Mitral Insufficiency (MI) by Prolapse: Observational Cohort, Monocentric (COHORTE-IM)
Actual Study Start Date : September 4, 2019
Estimated Primary Completion Date : September 2034
Estimated Study Completion Date : September 2034
Arms and Interventions
Group/Cohort Intervention/treatment
Patient cohort
Routine follow-up of patients in the Cardiological Functional Explorations department - Valve Disease Centre for their primary mitral insufficiency by prolapse
Other: Echocardiography and MRI
Analysis of echocardiography and MRI parameters

Outcome Measures
Primary Outcome Measures :
  1. Time before the first morbi-mortality event [ Time Frame: 10 years ]

    The impact of different parameters obtained by Doppler echocardiography (two-dimensional or three-dimensional mode) or MRI on the prognosis of time of the first morbi-mortality event arrival will be studied.

    Morbi-mortality is defined as the occurrence of at least one of the following events during follow-up:

    • Death from any cause
    • Cardiovascular death defined as linked to heart failure, myocardial infarction, arrhythmia episode and sudden death
    • Hospitalization for heart failure
    • Occurrence of atrial fibrillation
    • Occurrence of a stroke


Eligibility Criteria
Layout table for eligibility information
Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Sampling Method:   Non-Probability Sample
Study Population
Patients with primary mitral insufficiency by prolapse, who came or will come to the echocardiography laboratory of Saint Philibert Hospital for a Trans-Thoracic Echocardiography (TTE)
Criteria

Inclusion Criteria:

  • Any patient with primary mitral insufficiency by prolapse (any grade) diagnosed by Trans-Thoracic Echocardiography (TTE)
  • From November 2010 to April 2019 (retrospective cohort)
  • From May 2019 to May 2024 (prospective cohort)
  • No previous surgery of the mitral valve before the first ultrasound
  • Adults
  • Patient who has been informed and not opposed to the use of his or her medical record data

Exclusion Criteria:

  • Secondary MI
  • Primary MI without valve prolapse
  • Active endocarditis
  • Patient's refusal to participate in the study
  • Patient under guardianship or curatorship
Contacts and Locations

Contacts
Layout table for location contacts
Contact: Amélie Lansiaux, Md, PhD +33 3 20 22 52 69 ext +33 lansiaux.amelie@ghicl.net
Contact: Anne-Sophie Blain, CRA +33 3 20 22 57 32 ext +33 blain.anne-sophie@ghicl.net

Locations
Layout table for location information
France
Lille Catholic Hospitals Recruiting
Lomme, Nord, France, 59462
Contact: Amélie Lansiaux, Md, PhD    +33 3 20 22 52 69 ext +33    lansiaux.amelie@ghicl.net   
Contact: Anne-Sophie Blain, CRA    +33 3 20 22 57 32 ext +33    blain.anne-sophie@ghicl.net   
Principal Investigator: Sylvestre Marechaux, Md, PhD         
Sponsors and Collaborators
Lille Catholic University
University Hospital, Lille
Investigators
Layout table for investigator information
Principal Investigator: Sylvestre Marechaux, Md, PhD Lille Catholic University
Tracking Information
First Submitted Date May 22, 2019
First Posted Date May 23, 2019
Last Update Posted Date February 3, 2021
Actual Study Start Date September 4, 2019
Estimated Primary Completion Date September 2034   (Final data collection date for primary outcome measure)
Current Primary Outcome Measures
 (submitted: May 22, 2019)
Time before the first morbi-mortality event [ Time Frame: 10 years ]
The impact of different parameters obtained by Doppler echocardiography (two-dimensional or three-dimensional mode) or MRI on the prognosis of time of the first morbi-mortality event arrival will be studied. Morbi-mortality is defined as the occurrence of at least one of the following events during follow-up:
  • Death from any cause
  • Cardiovascular death defined as linked to heart failure, myocardial infarction, arrhythmia episode and sudden death
  • Hospitalization for heart failure
  • Occurrence of atrial fibrillation
  • Occurrence of a stroke
Original Primary Outcome Measures Same as current
Change History
Current Secondary Outcome Measures Not Provided
Original Secondary Outcome Measures Not Provided
Current Other Pre-specified Outcome Measures Not Provided
Original Other Pre-specified Outcome Measures Not Provided
 
Descriptive Information
Brief Title Prognostic Impact of Imaging Parameters in Patients With Primary Mitral Insufficiency by Prolapse (COHORTE-IM)
Official Title Prognostic Impact of Non-invasive Imaging Parameters (Cardiac Echocardiography and MRI) in Patients With Primary Mitral Insufficiency (MI) by Prolapse: Observational Cohort, Monocentric (COHORTE-IM)
Brief Summary

Degenerative mitral insufficiency secondary to valve prolapse is the most common valve disease in Western countries. In the absence of specific treatment, it spontaneously progresses to heart failure and death when it is severe. Surgical mitral valve repair (or mitral plastic surgery) is the preferred treatment for primary mitral insufficiency by prolapse in case of severe leakage if associated with clinical and/or echocardiographic markers of poor prognosis (i.e., with high risk of morbi-mortality during their follow-up).

It is therefore essential to refine the risk stratification of these patients in order to identify at-risk patients who should potentially benefit earlier from invasive care (cardiac surgery), or conversely, close monitoring.

A number of echocardiographic and MRI parameters may have been associated with a poorer prognosis.

A cohort of patients with primary mitral insufficiency (MI) will be followed to study the relationships of a set of factors to patient prognosis.

Detailed Description

Degenerative mitral insufficiency secondary to valve prolapse is the most common valve disease in Western countries. In the absence of specific treatment, it spontaneously progresses to heart failure and death when it is severe. Surgical mitral valve repair (or mitral plastic surgery) is the preferred treatment for primary mitral insufficiency by prolapse in case of severe leakage if associated with clinical and/or echocardiographic markers of poor prognosis (i.e., at high risk of morbi-mortality during their follow-up).

It is therefore essential to refine the risk stratification of these patients in order to identify at-risk patients who should potentially benefit earlier from invasive care (cardiac surgery), or conversely, close monitoring.

Beyond the regurgitation severity parameters, a number of regurgitation resonance parameters may have been associated with a poorer prognosis. These parameters include dilation of the left ventricle (increase of telesystolic diameter), of the left atrium, decrease of left ventricular ejection fraction (FE VG), and increase of pulmonary pressures (pulmonary hypertension). The relationship between left, right ventricular function, atrial function evaluated by new echocardiographic techniques (Speckle tracking, 3D) and prognosis has been poorly studied.

These new innovative techniques are now available in clinical routine and allow an evaluation of size and cardiac function parameters in a more reproducible way than conventional methods. The relationship between prognosis and the assessment of regurgitation severity by the convergence zone method (PISA method) has been well documented in the literature. However, the PISA method presents well-documented reproducibility problems. Other methods of quantification exist, either by echocardiography (qualitative, semi-quantitative and quantitative methods) or by MRI (quantitative methods). They are useful in clinical practice in a multiparametric approach, but their relationship to prognosis has been not well studied.

Thus, the prognostic impact of the following parameters must be studied:

  • Echocardiographic and MRI parameters of primary insufficiency severity and their combination
  • Ventricular and atrial functions measured by innovative echocardiographic methods (speckle tracking, 3D, left ventricular ejection performance parameters)
  • The remodeling of cardiac cavities related to mitral insufficiency evaluated by echocardiography and MRI, apart from the diameter of the left ventricle and the size of the left atrium that has already been studied.

A cohort of patients with primary mitral insufficiency (MI) will be followed up to study the relationships of all these factors with patient prognosis. Part of this cohort will be retrospective, and part will be prospective.

Study Type Observational [Patient Registry]
Study Design Observational Model: Cohort
Time Perspective: Prospective
Target Follow-Up Duration 10 Years
Biospecimen Not Provided
Sampling Method Non-Probability Sample
Study Population Patients with primary mitral insufficiency by prolapse, who came or will come to the echocardiography laboratory of Saint Philibert Hospital for a Trans-Thoracic Echocardiography (TTE)
Condition Mitral Valve Insufficiency
Intervention Other: Echocardiography and MRI
Analysis of echocardiography and MRI parameters
Study Groups/Cohorts Patient cohort
Routine follow-up of patients in the Cardiological Functional Explorations department - Valve Disease Centre for their primary mitral insufficiency by prolapse
Intervention: Other: Echocardiography and MRI
Publications * Not Provided

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruitment Information
Recruitment Status Recruiting
Estimated Enrollment
 (submitted: May 22, 2019)
400
Original Estimated Enrollment Same as current
Estimated Study Completion Date September 2034
Estimated Primary Completion Date September 2034   (Final data collection date for primary outcome measure)
Eligibility Criteria

Inclusion Criteria:

  • Any patient with primary mitral insufficiency by prolapse (any grade) diagnosed by Trans-Thoracic Echocardiography (TTE)
  • From November 2010 to April 2019 (retrospective cohort)
  • From May 2019 to May 2024 (prospective cohort)
  • No previous surgery of the mitral valve before the first ultrasound
  • Adults
  • Patient who has been informed and not opposed to the use of his or her medical record data

Exclusion Criteria:

  • Secondary MI
  • Primary MI without valve prolapse
  • Active endocarditis
  • Patient's refusal to participate in the study
  • Patient under guardianship or curatorship
Sex/Gender
Sexes Eligible for Study: All
Ages 18 Years and older   (Adult, Older Adult)
Accepts Healthy Volunteers Not Provided
Contacts
Contact: Amélie Lansiaux, Md, PhD +33 3 20 22 52 69 ext +33 lansiaux.amelie@ghicl.net
Contact: Anne-Sophie Blain, CRA +33 3 20 22 57 32 ext +33 blain.anne-sophie@ghicl.net
Listed Location Countries France
Removed Location Countries  
 
Administrative Information
NCT Number NCT03962023
Other Study ID Numbers RC-P0082
Has Data Monitoring Committee No
U.S. FDA-regulated Product
Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
IPD Sharing Statement
Plan to Share IPD: No
Responsible Party Lille Catholic University
Study Sponsor Lille Catholic University
Collaborators University Hospital, Lille
Investigators
Principal Investigator: Sylvestre Marechaux, Md, PhD Lille Catholic University
PRS Account Lille Catholic University
Verification Date February 2021