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Effect of papillary muscle function in the pathogenesis of ischemic mitral regurgitation

Effect of papillary muscle function in the pathogenesis of ischemic mitral regurgitation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-OCS-09000563
Enrollment
Unknown
Registered
2009-10-21
Start date
2009-10-01
Completion date
Unknown
Last updated
2017-04-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Ischemic mitral regurgitation

Interventions

healthy control:noninvasive measurement by echocardiography
non-organic mitral regurgitation:noninvasive measurement by echocardiography
ischemic mitral regurgitation:noninvasive measurement by echocardiography

Sponsors

West China Hospital of Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients with mitral regurgitation who was affected previously by myocardial infarction, and whose valvular and sub-valvular structure remains normal

Exclusion criteria

Exclusion criteria: Patients with arrhythmia, more than mild aortic regurgitation, and whose sonogram are unable to analyse with speckle tracking

Design outcomes

Primary

MeasureTime frame
Strain of corresponding ventricle segment of papillary muscles;Strain of papillary muscle;—

Secondary

MeasureTime frame
Left ventricle contraction;—

Countries

China

Contacts

Public ContactLi Rao
lrlz1989@yahoo.com.cn028-85422355

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026