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It will work: the first successful mitral valve replacement
1Division of Cardiac Surgery, Brigham and Women's Hospital, Boston, Massachusetts 02115.
The Annals of Thoracic Surgery
|September 1, 1989
Summary
A novel flexible polyurethane prosthetic mitral valve with Teflon chordae tendineae was successfully implanted in a human patient in 1960. The patient experienced a positive recovery but unfortunately died suddenly four months post-operation.
Area of Science:
- Cardiovascular Surgery
- Biomaterials Science
- Medical Device Development
Background:
- The development of effective prosthetic heart valves is crucial for treating valvular heart disease.
- Early prosthetic designs faced challenges in durability, biocompatibility, and hemodynamic performance.
- This study details the design and initial clinical application of a novel mitral valve prosthesis.
Observation:
- A prosthetic mitral valve constructed from flexible polyurethane with Teflon chordae tendineae was designed in 1959.
- Pre-clinical experiments were conducted on canine subjects at the National Heart Institute.
- The prosthesis was utilized for total mitral valve replacement in a 44-year-old female patient with mitral regurgitation on March 11, 1960.
Findings:
- The patient underwent an uneventful postoperative recovery and was discharged from the hospital.
- The prosthetic valve functioned adequately following the mitral valve replacement surgery.
- The patient died suddenly approximately four months after the operation, presumed to be due to an arrhythmia.
Implications:
- This case represents an early human trial of a polyurethane-based prosthetic mitral valve.
- The findings highlight the potential and limitations of early flexible prosthetic valve technology.
- Further research into long-term durability and arrhythmia prevention in prosthetic valve recipients is warranted.