Multicenter study on the usefulness of mitral valve repair with the addition of papillary muscle relocation for severe ischemic mitral regurgitation

Multicenter study on the usefulness of mitral valve repair with the addition of papillary muscle relocation for severe ischemic mitral regurgitation - Multicenter study on the usefulness of mitral valve repair with the addition of papillary muscle relocation for severe ischemic mitral regurgitation

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000042874

Enrollment

300

Registered

2021-01-04

Start date

2021-02-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

severe ischemic mitral regurgitation

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Cases in which elective mitral valvuloplasty or mitral valve replacement for severe ischemic mitral regurgitation 16 years or older performed from January 1, 2015 to December 31, 2019. Cases with additional coronary artery bypass grafting, tricuspid valve repair, and maze procedure can be included.

Exclusion criteria

Exclusion criteria: 1. Emergency surgery cases such as acute infective endocarditis 2. Hypothermia surgery requiring circulatory arrest 3. Preoperative catecholamine or IABP use cases 4. When the patient requests withdrawal of information after announcing the right to opt-out 5. Other cases that the research doctor deems inappropriate for research

Design outcomes

Primary

Measure	Time frame
Major adverse cardiac or cerebrovascular events and other serious adverse events	—

Secondary

Measure	Time frame
LV reverse remodeling represented by the end-systolic left ventricular volume index one year later, left ventricular diameter and contractility, and recurrence of moderate MR or more	—

Countries

Japan

Contacts

Public ContactKen Nakamura

Saitama Cardiovascular and Respiratory Center Cardiovascular Surgery

kenkentakota@yahoo.co.jp048-536-9900

Outcome results