Trial reportBMC medical education2024
Application of spaghetti knotting technology in single-hole laparoscopic suturing instructional program on the basis of multi-directional stitching technology: a randomized controlled trial.
Trial report in BMC medical education, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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10 authors.
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Abstract
backgroundSpaghetti knotting technology is an emerging technique that can reduce the visual field restriction of the operator in laparo-endoscopic single site (LESS) surgery. Multi-directional stitching technology has been proved to improve the accuracy of suturing in clinical application of LESS surgery. Therefore, we conducted a study to evaluate the teaching efficacy and the operation workload of spaghetti knotting technology and conventional knotting technology in LESS suture teaching based on the multi-directional stitching technology.
methodsWe selected forty junior residents to learn the skill of knot tying with single-hole laparoscopic simulators. The forty students were randomly and equally divided into control group and experimental group. The control group was trained by the conventional knotting method, and the experimental group was trained by the spaghetti knotting technology. The grades were calculated before and after the training program, including operation score of suturing time, trhead length, needle insertion accuracy, knotting stability, tissue integrity, tissue tightness and the cognitive workload score of mental, physical and temporal demands, performance, effort and frustration.
resultsThere was no significant difference between two groups before training. After training, knotting skills and workload were significantly improved. There were significant differences between the two groups in knotting time (p = 0.001), thread length (p = 0.01), and tissue integrity(p = 0.003). The experiment group took less time, left longer thread and had higher tissue integrity. The workload of the experiment group was also accurately reduced. However, there was no significant difference between the two groups in needle insertion accuracy(p = 0.560), knotting stability(p = 0.059), and tissue tightness(p = 0.731).
conclusionIn LESS suture teaching based on the multi-directional stitching technology, the training of spaghetti knotting techniques significantly improved students' learning efficacy and reduced their workload compared to training conventional knotting techniques. It suggested the combination of spaghetti knotting and multi-directional stitching technology could be a practicable method for laparoscopic skills teaching and a feasible clinical application value on spaghetti knotting technology in LESS surgery.
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