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The pulmonary capillary bed after lymphography

W H Smith, C A Parsons

    British Journal of Anaesthesia
    |September 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Radio-isotope lung scans revealed increased radioactivity in the anterior chest after abdominal lymphography. This suggests oily contrast medium may block pulmonary capillaries, redirecting blood flow.

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    Area of Science:

    • Radiology
    • Nuclear Medicine
    • Oncology

    Background:

    • Abdominal lymphography uses oily contrast media.
    • Assessing malignant disease spread is crucial.
    • Pulmonary circulation can be affected by contrast agents.

    Purpose of the Study:

    • To evaluate the impact of abdominal lymphography on pulmonary circulation.
    • To assess changes in lung radioactivity post-lymphography.
    • To investigate potential pulmonary capillary blockage.

    Main Methods:

    • Radio-isotope lung scanning before and after bipedal contrast injection.
    • Quantitative analysis of radioactivity in anterior and posterior lung segments.
    • Correlation of imaging findings with lymphography procedure.

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    Main Results:

    • A significant increase (12-100%) in anterior chest radioactivity was observed post-lymphography.
    • No significant change in radioactivity was noted over the posterior chest.
    • Findings suggest a shift in pulmonary blood flow distribution.

    Conclusions:

    • Abdominal lymphography with oily contrast may lead to transient pulmonary capillary obstruction.
    • This obstruction appears to divert blood flow to anterior lung segments.
    • Further research is warranted to understand the clinical implications of these findings.