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Related Experiment Videos

Prosthetic valve visualization by cine-computed tomography: a case report.

J D Wachspress1, W J Untereker, B T Kraushaar

  • 1Cardiovascular Section, Pennsylvania Hospital, Philadelphia 19107.

Heart and Vessels
|January 1, 1987
PubMed
Summary

Cine-computed tomography scanning effectively evaluates cardiac function in patients with bileaflet prosthetic valves. This imaging technique successfully assessed both biventricular and prosthesis function in complex cases.

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Area of Science:

  • Cardiovascular imaging
  • Medical device evaluation
  • Prosthetic heart valves

Background:

  • Assessing cardiac function in patients with prosthetic valves presents unique challenges.
  • Bileaflet mechanical heart valves, such as the St. Jude Medical valve, are commonly implanted.
  • Non-invasive imaging modalities are crucial for monitoring valve performance and overall cardiac health.

Observation:

  • This study describes the application of cine-computed tomography (CT) scanning.
  • The technique was utilized in two patients with bileaflet prosthetic valves.
  • One patient had a bileaflet mitral valve prosthesis, and the second had both mitral and aortic bileaflet prostheses.

Findings:

  • Cine-CT scanning successfully evaluated biventricular cardiac function.

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  • Prosthesis function was also successfully assessed using cine-CT.
  • The imaging modality proved effective in complex prosthetic valve scenarios.

    • Implications:

    • Cine-CT scanning offers a valuable tool for assessing cardiac function in patients with mechanical heart valves.
    • This technique aids in the comprehensive evaluation of both native heart function and prosthetic device performance.
    • Further research may explore the role of cine-CT in routine follow-up of patients with prosthetic valves.