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[Third Tricuspid Valve Replacement:Report of a Case].
Hiroki Uchiyama1, Toshiyuki Maeda, Shinji Nakashima
1Department of Cardiovascular Surgery, Sapporo Central Hospital, Sapporo, Japan.
Kyobu Geka. the Japanese Journal of Thoracic Surgery
|November 19, 2021
Summary
This case study details a patient
Area of Science:
- Cardiac Surgery
- Cardiovascular Research
- Bioprosthetic Valve Research
Background:
- Tricuspid regurgitation necessitates valve replacement.
- Bioprosthetic valves are used for tricuspid valve replacement (TVR).
- Long-term durability of bioprosthetic valves can be a concern.
Observation:
- A 79-year-old man had undergone two previous tricuspid valve replacements.
- The first bioprosthetic valve (bovine pericardial) was implanted 27 years prior.
- The second bioprosthetic valve (bovine pericardial) was implanted 21 years after the first due to dysfunction.
Findings:
- The patient required a third tricuspid valve replacement (TVR) due to recurrent prosthetic valve dysfunction.
- The explanted bioprosthesis showed cusp sclerosis and pannus formation.
- A third TVR was successfully performed using a porcine bioprosthesis (Epic).
Implications:
- This case highlights the potential for long-term dysfunction in bioprosthetic tricuspid valves.
- Sclerosis and pannus formation are identified as pathological findings in explanted bioprosthetic valves.
- Successful re-intervention with a different bioprosthetic valve type is feasible for managing recurrent tricuspid valve dysfunction.
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