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Knotting technique and suture materials.

R P Brown1

  • 1Prince Henry's Hospital, Melbourne, Australia.

The British Journal of Surgery
|May 1, 1992
PubMed
Summary
This summary is machine-generated.

Researchers identified optimal surgical knotting techniques by testing suture materials. Polypropylene, polyglyconate, and polyglycolic acid sutures demonstrated superior strength and efficiency in surgical knot tying.

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Area of Science:

  • Surgical Materials Science
  • Biomedical Engineering

Background:

  • Surgical knot security is crucial for effective wound closure.
  • Understanding suture material properties and knotting techniques is essential for optimizing surgical outcomes.

Purpose of the Study:

  • To evaluate the effectiveness and efficiency of different surgical knotting techniques.
  • To determine the optimal number of throws for various suture materials to achieve maximum knot strength.
  • To identify the best-performing suture materials based on knot-holding capacity and breaking force.

Main Methods:

  • Examined three knot groups: square/reef knot, surgeon's knot, and double throw knot.
  • Tested six suture materials: nylon, polypropylene, polyglyconate, polydioxanone, polyglactin, and polyglycolic acid.

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  • Assessed knot-holding capacity and breaking force, adding throws until material breaking point was reached.

    • Main Results:

    • Maximum knot strength was achieved with a maximum of two additional throws for all tested materials.
    • Polypropylene (non-absorbable monofilament), polyglyconate (absorbable monofilament), and polyglycolic acid (coated braided) showed the best performance.
    • Knot-holding capacity and breaking force varied significantly among the different suture types.

    Conclusions:

    • Specific suture materials (polypropylene, polyglyconate, polyglycolic acid) are recommended for optimal knot security.
    • The study provides valuable data for selecting appropriate suture materials and techniques in surgical practice.
    • Efficient knot tying, requiring a maximum of two additional throws, ensures material integrity and surgical success.