Strut failure of the Starr-Edwards cloth-covered metallic ball prosthesis. Report of two asymptomatic cases and review of the overall experience.

Two cases of asymptomatic strut failure of an aortic Starr-Edwards cloth-covered metallic ball prosthesis are reported. Strut failure can be asymptomatic for years. Available information on the overall worldwide experience of six cases is reviewed and suggestions made for early diagnosis and treatment of this rare complication.