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Related Experiment Videos

A simple method for evaluating prothrombin time in severe liver disease

K Dehara1, M Yoshiba, K Inoue

  • 1Division of Gastroenterology, Showa University Fujigaoka Hospital, Yokohama, Japan.

American Journal of Clinical Pathology
|March 1, 1994
PubMed
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A new whole blood capillary system accurately measures prothrombin time using a single blood drop. This rapid bedside test is valuable for severe liver disease patients, especially in emergencies.

Area of Science:

  • Clinical Chemistry
  • Hematology
  • Hepatology

Background:

  • Severe liver disease, including fulminant and chronic hepatic failure, necessitates rapid and reliable monitoring of coagulation status.
  • Traditional laboratory methods for prothrombin time (PT) measurement can be time-consuming and inaccessible in critical care settings.

Purpose of the Study:

  • To evaluate a novel, whole blood capillary system for measuring prothrombin time (PT) in patients with severe liver disease.
  • To assess the feasibility and accuracy of this rapid bedside PT measurement compared to standard laboratory methods.

Main Methods:

  • A new whole blood capillary system requiring only a single drop of fresh blood was utilized.
  • Prothrombin time (PT) was measured at the bedside using the capillary system.

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  • Results from the capillary system were compared against those obtained from a standard laboratory reference method.

    • Main Results:

    • The new whole blood capillary system provided prothrombin time (PT) results within 5 minutes.
    • A good correlation (r = .89) was observed between the rapid capillary method and the laboratory reference method.
    • The method demonstrated ease of performance at the bedside.

    Conclusions:

    • The whole blood capillary system offers a rapid, accurate, and convenient method for prothrombin time (PT) measurement in severe liver disease.
    • This bedside assay is particularly advantageous in emergency situations or when central laboratory services are unavailable.
    • The system holds potential for improved patient management in critical hepatic failure scenarios.