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A Comparative Study in Learning Curves of Two Different Intracorporeal Knot Tying Techniques

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A Comparative Study in Learning Curves of Two Different Intracorporeal Knot Tying Techniques

Auteurs : Manuneethimaran Thiyagarajan [Inde] ; Chandru Ravindrakumar [Inde]

Source :

Minimally Invasive Surgery [ 2090-1445 ] ; 2016.

RBID : PMC:4789041

Abstract

Objectives. In our study we are aiming to analyse the learning curves in our surgical trainees by using two standard methods of intracorporeal knot tying. Material and Method. Two randomized groups of trainees are trained with two different intracorporeal knot tying techniques (loop and winding) by single surgeon for eight sessions. In each session participants were allowed to make as many numbers of knots in thirty minutes. The duration for each set of knots and the number of knots for each session were calculated. At the end each session, participants were asked about their frustration level, difficulty in making knot, and dexterity. Results. In winding method the number of knots tied was increasing significantly in each session with less frustration and less difficulty level. Discussion. The suturing and knotting skill improved in every session in both groups. But group B (winding method) trainees made significantly higher number of knots and they took less time for each set of knots than group A (loop method). Although both knotting methods are standard methods, the learning curve is better in loop method. Conclusion. The winding method of knotting is simpler and easier to perform, especially for the surgeons who have limited laparoscopic experience.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4789041

DOI: 10.1155/2016/3059434
PubMed: 27022482
PubMed Central: 4789041

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<author><name sortKey="Ravindrakumar, Chandru" sort="Ravindrakumar, Chandru" uniqKey="Ravindrakumar C" first="Chandru" last="Ravindrakumar">Chandru Ravindrakumar</name>
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<front><div type="abstract" xml:lang="en"><p><italic>Objectives</italic>
. In our study we are aiming to analyse the learning curves in our surgical trainees by using two standard methods of intracorporeal knot tying.<italic> Material and Method</italic>
. Two randomized groups of trainees are trained with two different intracorporeal knot tying techniques (loop and winding) by single surgeon for eight sessions. In each session participants were allowed to make as many numbers of knots in thirty minutes. The duration for each set of knots and the number of knots for each session were calculated. At the end each session, participants were asked about their frustration level, difficulty in making knot, and dexterity.<italic> Results</italic>
. In winding method the number of knots tied was increasing significantly in each session with less frustration and less difficulty level.<italic> Discussion</italic>
. The suturing and knotting skill improved in every session in both groups. But group B (winding method) trainees made significantly higher number of knots and they took less time for each set of knots than group A (loop method). Although both knotting methods are standard methods, the learning curve is better in loop method.<italic> Conclusion</italic>
. The winding method of knotting is simpler and easier to perform, especially for the surgeons who have limited laparoscopic experience.</p>
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A Comparative Study in Learning Curves of Two Different Intracorporeal Knot Tying Techniques

A Comparative Study in Learning Curves of Two Different Intracorporeal Knot Tying Techniques

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Abstract

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