内視鏡外科手術における縫合技術評価法の有用性に関する研究

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  • A new objective assessment of the suture ligature method for laparoscopic intestinal anastomosis
  • ナイシキョウ ゲカ シュジュツ ニ オケル ホウゴウ ギジュツ ヒョウカホウ ノ ユウヨウセイ ニ カンスル ケンキュウ

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Introduction : We designed a new skill assessment system for the suture ligature method employing a model of intestinal anastomosis for laparoscopic surgery, and examined the usefulness of this system.<br>Materials & Methods : In this system, the internal pressure of the model was measured by the leak test using the air pressure as an indicator of dehiscence. The new artificial intestinal anastomosis model (artificial model) has an intestine-like structure. Expert surgeons (expert group) and medical students (novice group) performed a suturing task by putting stitches in a 10 mm wound in the artificial model and in a pig's intestine (tissue model). The performance time and the internal pressure of each model were then compared by the means between the two groups.<br>Results : The performance time of the expert group was found to be significantly shorter for both models than that of the novice group (p<0.01). The internal pressure of the expert group in the artificial model was also significantly higher than that of the novice group (p<0.05).<br>Conclusion : The system was found to be a potentially useful objective suturing skill assessment. Laparoscopic surgery, Clinical skills, Training, Education, Skill assessment

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