Tying a loop-to-strand suture: Is it safe? - 18/08/11
Abstract |
Objective |
This study was undertaken to evaluate the integrity of the loop-to-strand knot when tied with square and nonidentical sliding knots.
Study design |
The synthetic absorbable monofilament suture poliglecaprone 25 in 0 and 2-0 suture gauges was used in this experiment. For each suture gauge, 3 groups of knots were tested: (1) single strand-to-single strand, flat square knot, (2) loop-to-single strand, flat square knot, and (3) loop-to-single strand, nonidentical sliding knot. All knots were tied with 6 throws. The proportion of knots becoming untied was compared among the 3 groups for each suture gauge. Ultimate load required to untie or break knots within each group was also evaluated.
Results |
The loop-to-strand knot performed well in both suture gauges tested as long as it was tied with a flat square knot. The loop-to-strand knot tied with a nonidentical sliding knot had an unacceptably high failure rate.
Conclusion |
The loop-to-strand termination of a continuous suture may be acceptable when tied with a 6-throw flat square knot but not acceptable if tied with sliding knots.
Le texte complet de cet article est disponible en PDF.Key words : Loop-to-strand, Square knot, Nonidentical sliding knot
Plan
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Vol 192 - N° 4
P. 1094-1097 - avril 2005 Retour au numéro
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