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Related Experiment Videos

Organic fragmentation in pulmonary thrombo-emboli

S Sevitt

    The Journal of Pathology
    |June 1, 1977
    PubMed
    Summary

    Organic fragmentation breaks down blood clots into smaller pieces, aiding artery recanalization. This cell-mediated process is crucial for resolving thromboemboli, especially smaller ones.

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    Area of Science:

    • Pathology
    • Cell Biology
    • Vascular Biology

    Background:

    • Thromboemboli can obstruct blood flow, leading to significant health issues.
    • The resolution of blood clots is a complex biological process.
    • Understanding cellular mechanisms involved in clot resolution is vital for therapeutic development.

    Purpose of the Study:

    • To investigate the process of organic fragmentation in lung thromboemboli.
    • To determine the incidence and characteristics of organic fragmentation.
    • To elucidate the role of organic fragmentation in clot resolution and vascular recanalization.

    Main Methods:

    • Examination of 238 lung emboli from 107 subjects.
    • Histological analysis to identify organic fragmentation.
    • Observation and quantification of fragmentation in relation to emboli size and cellular lining.

    Main Results:

    • Organic fragmentation was observed in 45 out of 238 lung emboli (41% of subjects with surfaced emboli).
    • The process involves the breakdown of the embolus periphery into smaller fragments lined by flat cells.
    • Fragmentation is more frequent and extensive in smaller emboli and aids in artery recanalization.

    Conclusions:

    • Organic fragmentation is a significant cell-mediated mechanism for thromboemboli resolution.
    • This process contributes to the reduction in embolus size and facilitates the recanalization of occluded arteries.
    • Further research into the cellular origins and mechanisms of fragmentation may offer therapeutic insights.

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