Objective  To explore the effect of the case three-dimensional teaching method (CTTM) + standardized patient (SP) in the teaching of clinical interns in the department of gastrointestinal surgery.

Methods  Clinical medical students who interned in the department of gastrointestinal surgery of Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine from December 2023 to December 2024 were selected as study subjects, and were classified into the study group and the control group. The study group adopted CTTM+SP teaching method, whereas the control group received the traditional teaching method. After completion of the teaching, the teaching results were evaluated by theoretical examination, Mini-clinical Evaluation Exercise (Mini-CEX), Critical Thinking Disposition Inventory-Chinese Version (CTDI-CV), learning conditions and satisfaction questionnaire.

Results  A total of 100 subjects were included, 50 in each group. The theoretical knowledge mastery and case analysis ability in the study group were significantly higher than those in the control group (P<0.05). The scores of items of Mini-CEX (medical history inquiry, physical examination, communication skills, clinical judgment, humanistic care, organizational effectiveness, overall performance) were also significantly higher (P<0.05). The learning conditions such as disease differential diagnosis ability, surgical ability, case analysis ability, team cooperation ability and academic update ability were significantly better in the study group than those in the control group (P<0.05). The scores of 7 dimensions (truth-seeking, open-mindedness, analytical ability, systematic ability, self-confidence in critical thinking, curiosity, cognitive maturity) and total score of CTDI-CV were significantly higher than the control group (P<0.05). The teaching satisfaction of students was significantly higher compared to the control group (P<0.05).

Conclusion  CTTM+SP teaching method can effectively help students master the relevant theoretical knowledge and operational skills of gastrointestinal surgery, improve the thinking ability and operation ability of students, stimulate the students’ learning motivation, and strengthen the comprehensive ability of students.

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