Comparison of Echocardiographic Parameters Between Acute and Chronic Severe Aortic Regurgitation


  • Study type

  • Study IDs

  • Describes the nature of a clinical study. Types include:

    • Observational study — observes people and measures outcomes without affecting results.
    • Interventional study (clinical trial) — studies new tests, treatments, drugs, surgical procedures or devices.
    • Medical records research — uses historical information collected from medical records of large groups of people to study how diseases progress and which treatments and surgeries work best.
  • Site IRB
    • Rochester, Minnesota: 16-009805
    Sponsor Protocol Number: 16-009805

About this study

The purpose of this study is to compare echocardiographic between acute and chronic severe AR patients at baseline and after surgical aortic valve replacement.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. If you need assistance understanding the eligibility criteria, please contact the study team.

See eligibility criteria

Inclusion Criteria:

  • Retrospective review and collect all the acute severe AR patients in the database

Exclusion Criteria: 

  • Aortic stenosis
  • Previous aortic valve surgery
  • Previous or associated mitral valve replacement or repair
  • Tricuspid valve replacement
  • Congenital disease unrelated to AR
  • Reduced EF

Participating Mayo Clinic locations

Study statuses change often. Please contact us for help.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Jae Oh, M.D.

Contact us for the latest status

Contact information:

Jae Oh M.D.


More information


Publications are currently not available

Study Results Summary

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Supplemental Study Information

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