Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Mitral annulus after mitral repair: geometry and dynamics.

Takeshi Komoda1, Roland Hetzer, Henryk Siniawski

  • 1Department of Cardiothoracic and Vascular Surgery, German Heart Institute Berlin.

ASAIO Journal (American Society for Artificial Internal Organs : 1992)
|July 27, 2002
PubMed
Summary

Mitral repair normalizes left ventricular geometry, but early systole shows a larger outflow tract and angle. This geometric change after mitral valve surgery may affect leaflet tension.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Phenotypic Associations of Early Cardiovascular Surgery in Pediatric Marfan Syndrome.

Children (Basel, Switzerland)·2026
Same author

Interventional Strategies for Full Hybrid/Norwood, the Double Intention, Double Intervention (DIDI) Approach.

Seminars in thoracic and cardiovascular surgery·2025
Same author

The Introduction of an MR-Conditional Prototype for Cardiopulmonary Bypass Support: Technical Aspects and System Requirements.

European surgical research. Europaische chirurgische Forschung. Recherches chirurgicales europeennes·2023
Same author

Commentary: Toward mechanical circulatory support in univentricular hearts.

JTCVS open·2022
Same author

Paediatric aortic valve replacement using decellularized allografts.

European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery·2020
Same author

Antithrombotic therapy in pediatric ventricular assist devices: Multicenter survey of the European EXCOR Pediatric Investigator Group.

The International journal of artificial organs·2018

Area of Science:

  • Cardiovascular Surgery
  • Cardiac Imaging
  • Biomedical Engineering

Background:

  • Mitral valve repair aims to restore normal heart function.
  • Understanding post-surgical left ventricular (LV) geometry is crucial for assessing outcomes.

Purpose of the Study:

  • To investigate systolic geometric changes in the left ventricle after mitral repair.
  • To elucidate the characteristics of the mitral valve annulus (MVA) and left ventricular outflow tract (LVOT) post-surgery.

Main Methods:

  • Utilized magnetic resonance imaging (MRI) to reconstruct the LV base in eight normal subjects and six patients post-mitral repair.
  • Calculated the mitral-aortic angle (MB angle) and the proportion of the LVOT at the LV base.

Main Results:

Related Experiment Videos

  • Post-repair, MVA and LV base dimensions approached normal, with flexible systolic motion.
  • Patients had a larger LVOT orifice (mean 1.05 cm2 increase) and MB angle (mean 8.0 degrees increase) compared to normal subjects.
  • The LVOT occupied a greater proportion of the LV base in patients (49.5%) versus normal (41.9%).

Conclusions:

  • Mitral repair leads to near-normal LV base dimensions and systolic dynamics.
  • Early systolic geometry shows significant differences in patients, with a larger LVOT and MB angle.
  • The altered MB angle may influence anterior mitral leaflet chordal tension.