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Controlled preclotting--a simplified technique proved by time.

¹Bob Hope International Heart Research Institute, Providence Medical Center, Seattle, WA 98122.

ASAIO Transactions

|October 1, 1988

Summary

A novel preclotting method ensures knitted Dacron grafts are impervious and reduce blood clot formation. This technique optimizes graft performance, improving patient outcomes by preventing dangerous complications.

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Area of Science:

Vascular Surgery
Biomaterials Science
Surgical Techniques

Background:

Knitted Dacron grafts require precise preclotting for optimal performance.
Existing in situ and submersion preclotting methods are often insufficient, leading to thrombogenic surfaces and graft leaks.
These limitations can result in serious complications during vascular procedures.

Purpose of the Study:

To present a controllable preclotting method for knitted Dacron grafts.
To demonstrate the effectiveness of this method in achieving an impervious graft wall and a hypothrombogenic flow surface.
To advocate for the adoption of this technique in clinical practice.

Main Methods:

A controllable preclotting technique has been utilized for over a decade.
This method involves using a specific volume of the patient's blood.
The procedure requires a minimal amount of surgeon's time.

Main Results:

The controllable preclotting method consistently produces impervious graft walls.
The technique ensures a hypothrombogenic flow surface, minimizing thrombotic events.
Over 10 years of use have validated its reliability and effectiveness.

Conclusions:

The controllable preclotting method is superior to traditional techniques for Dacron grafts.
This technique significantly enhances graft safety and efficacy by ensuring impermeability and reducing thrombogenicity.
The time and blood volume required are a worthwhile investment for improved surgical outcomes.

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