Application of three-dimensional reconstruction technology in clinical teaching of retroperitoneal tumors

doi:10.3877/cma.j.issn.1674-3253.2024.02.008

Abstract

Abstract:

Objective

To explore the effect of 3D reconstruction technology on improving the clinical teaching quality of retroperitoneal tumors.

Methods

Sixty surgical residents received standardized training from Shanghai Changhai Hospital were selected and divided into the control group (n=30) and the observation group (n=30) using a random number table method. The observation group applied 3D reconstruction technique to assist in teaching retroperitoneal tumors, while the control group used CT, MRI and other imaging data alone for teaching. Compared the test scores achieved by the two groups and the teaching effect was evaluated by the questionnaire survey.

Results

For the cases with relatively simple anatomical relationships of retroperitoneal tumors, the observation group had an advantage in the total score and each examination score item compared with the control group, but there was no significant difference. For the relatively complex cases, the observation group had significant advantages in the following achievements, with significant differences, including total examination scores (P=0.001), assessment of the number of blood vessel invaded (P=0.002), assessment of the name of blood vessels invaded (P=0.001). There were advantages in the following scores of observation group, but no significant difference, including assessment of tumor size (P=0.640), assessment of organs requiring combined resection (P=0.069), assessment of intraoperative hemorrhage (P=0.118). The questionnaire showed that the evaluation of teaching in the observation group was significantly higher than that in the control group (P<0.05).

Conclusions

Three-dimensional reconstruction techniques assist in clinical teaching of retroperitoneal tumors, which can help standardized training residents quickly grasp the fundamentals of retroperitoneal anatomy, improve imaging reading ability, and increase the efficiency and quality of clinical teaching, especially in the cases with relatively complex anatomical relationships of retroperitoneal tumors, and deserve to be promoted in teaching activities.

Key words: Three-dimensional reconstruction, Retroperitoneal tumor, Clinical education, Standardized training for residents

Wei Li, Zijian Song, Longxin Deng, Yiancheng Lai, Xiaole Lu, Jin Ji, Rui Chen. Application of three-dimensional reconstruction technology in clinical teaching of retroperitoneal tumors[J]. Chinese Journal of Endourology(Electronic Edition), 2024, 18(02): 162-167.

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References 25

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组别	例数	评估肿瘤大小[满分率(%)]	评估侵犯血管数量[满分率(%)]	评估侵犯血管名称[满分率(%)]	评估需联合切除脏器[满分率(%)]	评估术中出血量[满分率(%)]	总成绩[分，(±s)]
观察组	30	100.0	93.3	90.0	80.0	73.3	87±24
对照组	30	96.7	83.3	76.7	73.3	70.0	80±27
统计值		χ²=1.017	χ²=1.456	χ²=1.920	χ²=0.373	χ²=0.082	t=1.110
P值		0.313	0.228	0.166	0.542	0.774	0.272

组别	例数	评估肿瘤大小[满分率(%)]	评估侵犯血管数量[满分率(%)]	评估侵犯血管名称[满分率(%)]	评估需联合切除脏器[满分率(%)]	评估术中出血量[满分率(%)]	总成绩[分，(±s)]
观察组	30	100.0	93.3	90.0	80.0	73.3	87±24
对照组	30	96.7	83.3	76.7	73.3	70.0	80±27
统计值		χ²=1.017	χ²=1.456	χ²=1.920	χ²=0.373	χ²=0.082	t=1.110
P值		0.313	0.228	0.166	0.542	0.774	0.272

组别	例数	评估肿瘤大小[满分率(%)]	评估侵犯血管数量[满分率(%)]	评估侵犯血管名称[满分率(%)]	评估需联合切除脏器[满分率(%)]	评估术中出血量[满分率(%)]	总成绩[分，(±s)]
观察组	30	93.3	86.7	83.3	66.7	53.3	77±26
对照组	30	90.0	50.0	43.3	43.3	33.3	52±30
统计值		χ²=0.218	χ²=9.320	χ²=10.335	χ²=3.300	χ²=2.443	t=3.417
P值		0.640	0.002	0.001	0.069	0.118	0.001

组别	例数	评估肿瘤大小[满分率(%)]	评估侵犯血管数量[满分率(%)]	评估侵犯血管名称[满分率(%)]	评估需联合切除脏器[满分率(%)]	评估术中出血量[满分率(%)]	总成绩[分，(±s)]
观察组	30	93.3	86.7	83.3	66.7	53.3	77±26
对照组	30	90.0	50.0	43.3	43.3	33.3	52±30
统计值		χ²=0.218	χ²=9.320	χ²=10.335	χ²=3.300	χ²=2.443	t=3.417
P值		0.640	0.002	0.001	0.069	0.118	0.001

组别	例数	提高术前评估能力	提高影像学读片能力	理解腹膜后解剖	提高学习效率	教学满意度
观察组	30	80.0	90.0	100.0	83.3	86.7
对照组	30	40.0	33.3	50.0	30.0	36.7
χ²值		10.000	20.376	20.000	17.376	15.864
P值		0.002	<0.001	<0.001	<0.001	<0.001

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