Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
treatment purpose
N/A
1.Subjects >= 18 years of age.
2.Subjects symptomatic New York Heart Association (NYHA) II-IV.
3.Subjects with severe MR as documented by echo.
4.Subjects who are at high risk for open-heart surgery as documented by the health care professional (e.g., Heart Team consisting of cardiac surgeon and interventional cardiologist in United States).
1.Inability to understand the study or a history of non-compliance with medical advice.
2.Unwilling or unable to sign the Informed Consent Form (ICF).
3.History of any cognitive or mental health status that would interfere with study participation.
4.Currently enrolled in any other pre-approval investigational study (does not apply to long-term post-market studies unless these studies might clinically interfere with the current study endpoints (e.g., limit use of study-required medication, etc.)).
5.Female subjects who are pregnant or planning to become pregnant within the study period.
6.Known hypersensitivity or contraindication to aspirin, heparin, or Warfarin without adequate alternative medications.
7.Known hypersensitivity to nitinol (i.e., nickel allergy) that cannot be adequately medicated.
8.Known hypersensitivity to contrast media that cannot be adequately medicated.
9.Evidence of current Left Ventricular Ejection Fraction (LVEF) <=25% (where current is defined as the latest LVEF measurement completed within 90 days prior to the index procedure).
10.Concurrent medical condition with a life expectancy of less than 12 months.
11.Prior mitral valve repair/replacement (excluding prior surgical mitral valve repair, annuloplasty, or MitraClip not interfering with AltaValve placement).
investigational material(s)
Generic name etc : AltaValve
INN of investigational material : -
Therapeutic category code :
Dosage and Administration for Investigational material : Transcatheter Mitral Valve Replacement
control material(s)
Generic name etc : -
INN of investigational material : -
Therapeutic category code :
Dosage and Administration for Investigational material : -
safety
1.Major Adverse Cardiac Event [ Time Frame: 30 days ]
Cardiac death, stroke, mitral valve related repeated intervention
safety
other
-Technical success [ Time Frame: 30 days ]
Technical Success per MVARC criteria
-Procedural success [ Time Frame: 30 days ]
Device success and absence of major device or procedure related serious adverse events
-Device success [ Time Frame: 30 days ]
Device Success per MVARC criteria
