Key result
A patient with a new type Bjørk-Shiley mitral valve prosthesis died from acute heart failure 3 months post-implant due to a fractured outlet strut caused by chromium-tungsten-carbide deposition.
Case Report (n=1)
Highlights a fatal complication of strut fracture in the new Bjørk-Shiley mitral valve prosthesis due to material brittleness.
Alerts clinicians to fatal strut fracture risk in new Bjørk-Shiley mitral valves; leaves open questions on material durability requiring further investigation.
The case of a patient with the new type Bjørk-Shiley aortic and mitral valve prosthesis is described. Three months after implant she suffered acute heart failure and died. Post-mortem examination revealed a fractured outlet strut in the mitral valve prosthesis with dislocation of the disc. The fracture was regarded as due to excessive brittleness caused by demonstrated deposition of chromium-tungsten-carbide.
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Brubakk et al. (1981) conducted a case report in Bjørk-Shiley aortic and mitral valve prosthesis (n=1). New type Bjørk-Shiley aortic and mitral valve prosthesis was evaluated on Acute heart failure and death. A patient with a new type Bjørk-Shiley mitral valve prosthesis died from acute heart failure 3 months post-implant due to a fractured outlet strut caused by chromium-tungsten-carbide deposition.
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