Application of real-scene teaching based on tracer imaging in standardized training of gastrointestinal surgery

doi:10.3877/cma.j.issn.1674-3946.2025.05.008

Abstract

Abstract:

Objective

To explore the effect of real-scene teaching based on tracer imaging technology on the standardized training of gastrointestinal surgery.

Methods

Three-dimensional (3D) CT was used to construct real preoperative vascular imaging scenarios, tracer navigation was applied for real intraoperative scene teaching during surgery observation, and fresh specimens were utilized for real postoperative lymph node identification training. Sixty trainees undergoing standardized training in gastrointestinal surgery were selected and evaluated using a self-controlled before-after comparison method. Paired t tests were used to compare the score differences in theoretical knowledge, 3D gastric CT interpretation, key node interpretation of surgical videos, and postoperative specimen identification ability before and after training.

Results

The average scores of the four abilities before training were (18.5±2.4), (17.1±2.6), (17.6±3.2), and (18.7±2.6), respectively. After training, the scores were (21.2±2.0), (18.6±2.0), (19.7±2.3), and (19.9±1.7), respectively, with statistically significant differences in all items (all P<0.05).

Conclusion

Real-scene teaching based on tracer imaging can effectively improve the teaching effect in standardized training of gastrointestinal surgery.

Key words: Tracer Imaging, Real Situation Teaching, Gastrointestinal Surgery, Standardized Training

Song Liu, Xiu Li, Li Chen, Peng Song, Xiaofeng Lu, Meng Wang, Wenxian Guan. Application of real-scene teaching based on tracer imaging in standardized training of gastrointestinal surgery[J]. Chinese Journal of Operative Procedures of General Surgery(Electronic Edition), 2025, 19(05): 506-508.

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References 17

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	培训人数	理论知识考核	胃三维CT考核	手术视频关键节点判读考核	术后标本辨识考核	总分
培训前	60	18.5±2.4	17.1±2.6	17.6±3.2	18.7±2.6	71.8±6.2
培训后	60	21.2±2.0	18.6±2.0	19.7±2.3	19.9±1.7	79.4±3.6
t值		6.300	6.400	5.800	2.500	9.700
P值		<0.0001	<0.0001	<0.0001	0.020	<0.0001

	培训人数	理论知识考核	胃三维CT考核	手术视频关键节点判读考核	术后标本辨识考核	总分
培训前	60	18.5±2.4	17.1±2.6	17.6±3.2	18.7±2.6	71.8±6.2
培训后	60	21.2±2.0	18.6±2.0	19.7±2.3	19.9±1.7	79.4±3.6
t值		6.300	6.400	5.800	2.500	9.700
P值		<0.0001	<0.0001	<0.0001	0.020	<0.0001

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