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Related Experiment Videos

Blood coagulation activity during microsurgery

Y Komuro1, J Sekiguchi, S Nomura

  • 1Department of Plastic and Reconstructive Surgery, Tokyo Metropolitan Police Hospital, Japan.

Annals of Plastic Surgery
|February 17, 1998
PubMed
Summary
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Blood coagulation markers like fibrinopeptide A (FPA) and thrombin-antithrombin complex (TAT) can signal hypercoagulable states. Monitoring these can alert surgeons to potential vascular compromise during microsurgery.

Area of Science:

  • Biomedical Engineering
  • Surgical Research
  • Hemostasis and Thrombosis

Background:

  • Microsurgery, particularly free tissue transfers, demands precise monitoring of hemostasis.
  • Assessing blood coagulation activity is crucial for preventing post-operative complications.

Observation:

  • Hemostatic parameters including prothrombin time (PT), activated partial thromboplastin time (APTT), fibrinopeptide A (FPA), prothrombin fragment 1 + 2 (F1 + 2), and thrombin-antithrombin complex (TAT) were measured.
  • Elevated FPA, F1 + 2, and TAT levels were observed in a patient with flap necrosis due to vasospasm.
  • Increased F1 + 2 and TAT levels were noted during salvage reexploration for flap cyanosis.

Findings:

  • Significant increases in FPA, F1 + 2, and TAT correlated with adverse outcomes like flap necrosis.

Related Experiment Videos

  • F1 + 2 and TAT elevations indicated hypercoagulable states during vascular compromise events.
  • These molecular markers demonstrate sensitivity in detecting hypercoagulable states.

    • Implications:

    • Molecular markers of coagulation can serve as early warnings for surgeons regarding potential vascular compromise.
    • Monitoring these markers may improve patient outcomes in free tissue transfer microsurgery.
    • This study highlights the clinical utility of specific coagulation markers in complex surgical procedures.