Endoprosthesis Metal Toxicity Study

The patient and an informant will be asked to complete a questionnaire about his or hers current and past physical thinking abilities.

Cognition and memory interviews will take place with the patient.

Three blood draws will occur to assess patients immune response, metal levels, and cardiac health.

Each echocardiogram takes about 3 hours and 30 minutes. This test uses sound waves to look at your heart. The person doing the test will press on your chest with a machine to obtain the pictures. The pressure may be uncomfortable. The echocardiogram will involve an image enhancement agent infusion to obtain better images.