Why the study?
Can radiographic techniques detect aortic-ball variance in patients with barium-impregnated silicone-rubber prosthetic valves who have normal acoustic findings?
Population
A patient with a Model 1000 series Starr-Edwards aortic-valve prosthesis containing a barium-impregnated…
Comparison
Radiographic techniques vs Auscultation, phonocardiography, and sound…
Design
Case_report
Authors
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Hypothesis-generating for radiographic screening of asymptomatic aortic-ball variance; prospective studies needed before clinical adoption.
Can radiographic techniques detect aortic-ball variance in patients with barium-impregnated silicone-rubber prosthetic valves who have normal acoustic findings?
Radiographic screening can detect asymptomatic aortic-ball variance in patients with barium-impregnated silicone-rubber prosthetic valves even when acoustic findings are normal.
John C. Hylen (1969) studied this question.
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