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Related Experiment Videos

[Methods to decrease the blood loss during operations under hypothermia without perfusion].

V S Shchukin, E V Len'ko, S E Naumenko

    Vestnik Khirurgii Imeni I. I. Grekova
    |April 1, 1991
    PubMed
    Summary

    Minimizing blood loss during deep hypothermia operations involves careful management of adhesions and heparin. Strategies like gentle adhesion division and early heparin neutralization significantly reduce surgical and postoperative bleeding.

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    Area of Science:

    • Cardiovascular Surgery
    • Anesthesiology
    • Surgical Hemostasis

    Background:

    • Deep hypothermia with nonperfusion is used in complex surgeries.
    • Significant blood loss remains a challenge during these procedures.
    • Identifying causes of excessive bleeding is crucial for patient outcomes.

    Purpose of the Study:

    • To analyze the causes of high blood loss during nonperfusion deep hypothermia operations.
    • To identify specific surgical periods and conditions contributing to bleeding.
    • To evaluate methods for reducing intraoperative and postoperative blood loss.

    Main Methods:

    • Analysis of patient data from operations utilizing nonperfusion deep hypothermia.
    • Identification of factors associated with massive adhesions during the preocclusive period.

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  • Assessment of prolonged heparinemia post-occlusion as a bleeding factor.
  • Implementation of strategies including minimal trauma to adhesions, reliable surgical hemostasis, early chest wound closure, and early heparin neutralization.

    • Main Results:

    • Massive adhesions during the preocclusive period and prolonged heparinemia post-occlusion were identified as key causes of high blood loss.
    • The combined strategies resulted in a 2.4-fold reduction in operative blood loss.
    • Postoperative blood loss was reduced by 2.7 times compared to baseline.

    Conclusions:

    • Careful management of adhesions and heparin activity is essential for reducing blood loss in deep hypothermia surgery.
    • Implementing a multimodal approach including meticulous surgical technique and early intervention can significantly improve hemostasis.
    • These findings offer practical strategies for enhancing patient safety and outcomes in complex cardiac procedures.