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A comparative study of variables affecting the bleeding time using two disposable devices.

G R Buchanan¹, C A Holtkamp

¹Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas 75235-9063.

American Journal of Clinical Pathology

|January 1, 1989

Summary

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The Surgicutt device, particularly with horizontal incisions, may offer greater sensitivity for detecting primary hemostasis disorders compared to Simplate. Both devices are comparable but Surgicutt shows higher aspirin sensitivity.

Area of Science:

Hematology
Clinical Diagnostics

Background:

Bleeding time is a key test for primary hemostasis.
Most studies use older devices, necessitating evaluation of modern alternatives.

Purpose of the Study:

Compare Surgicutt and Simplate bleeding time devices.
Investigate variables like incision direction and aspirin administration.

Main Methods:

40 healthy adults underwent bleeding time tests using Surgicutt and Simplate.
Tests were performed horizontally and vertically, pre- and post-aspirin.
Modified Ivy method was followed.

Main Results:

Simplate yielded longer bleeding times than Surgicutt (P=0.0025).
Horizontal incisions resulted in longer bleeding times than vertical (P=0.0001).

Related Experiment Videos

Surgicutt in horizontal position showed highest aspirin sensitivity.

Conclusions:

Surgicutt and Simplate are comparable but Surgicutt may be more sensitive for detecting hemostasis disorders.
Horizontal Surgicutt bleeding time is potentially the most sensitive method.
Further comparative studies are needed to assess clinical utility.