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January 1, 1970Annals of Internal Medicine

Aortic Ball Variance: Diagnosis and Treatment

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Why the study?

What is the incidence and clinical presentation of ball variance in patients who underwent aortic replacement with the model 1000 series Starr-Edwards valve?

Population

40 long-term survivors of aortic replacement with the model 1000 series Starr-Edwards valve available for…

Design

Cohort

Authors

JHJohn C. HylenOregon Health & Science University

Discussion

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Implication

Survivors with model 1000 Starr-Edwards aortic valves warrant monitoring for ball variance; leaves open durability questions for contemporary prosthesis research.

Structured PICO

What is the incidence and clinical presentation of ball variance in patients who underwent aortic replacement with the model 1000 series Starr-Edwards valve?

P
Population
40 long-term survivors of aortic replacement with the model 1000 series Starr-Edwards valve available for follow-up (from an initial cohort of 47 operated upon in a 1-year period beginning July 1, 1963).
I
Intervention
Aortic valve replacement with the model 1000 series Starr-Edwards valve.
O
Outcome
Incidence of ball variance demonstrated by autopsy or reoperation.safety

A high incidence of ball variance (75%) was observed in long-term survivors with the model 1000 series Starr-Edwards aortic valve, highlighting a significant device-related safety issue.

Cite This Study

John C. Hylen (1970) studied this question.

synapsesocial.com/papers/6a7da40ececc27a187a143d3https://doi.org/10.7326/0003-4819-72-1-1

Topics

Valvular heart disease
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Ventricular Performance after Angiocardiography1967 · 112 citations
  2. 2Total Cardiac Valve Replacement Using SCDK-Cutter Prosthesis1966 · 55 citations
  3. 3Acute Myocardial Infarction Secondary to Thromboembolism from a Fractured Prosthetic Aortic Valve1968 · 11 citations
  4. 4Death Due to Swelling of Ball Component of Aortic Ball-Valve Prosthesis1967 · 38 citations
  5. 5Hemolytic Anemia Due to Progressive Enlargement of Silastic Ball Component of Aortic Prosthesis1968 · 20 citations