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1.
Int J Med Robot ; 6(2): 202-10, 2010 Jun.
Article in English | MEDLINE | ID: mdl-20506441

ABSTRACT

BACKGROUND: Recent advancements in simulation permit patient-specific rehearsal of carotid artery stenting procedures. This study evaluates the feasibility of transferring patient-specific CT data into the simulator, creating a 3D reconstruction and performing a rehearsal. The face validity of the model was assessed. METHODS/RESULTS: By thematic analysis of qualitative data, an algorithm was generated, focusing on simulation set-up, time of data transfer, software/compatibility issues and problem-solving strategies. The face validity of the simulated case was evaluated by 15 expert interventionalists: realism (median 4/5), training potential (median 4/5) and pre-procedure rehearsal potential for challenging CAS cases (median 4/5) were rated highly. CONCLUSIONS: Setting up a procedure rehearsal is feasible and reproducible for different patients in different hospital settings without major software compatibility issues. The time to create a 3D reconstruction of patient-specific CT data is a major factor in the total time necessary to set up a rehearsal. The face validity is highly rated by experts.


Subject(s)
Patient Simulation , Algorithms , Feasibility Studies , Humans , Physiological Phenomena , Software
2.
Br J Surg ; 97(4): 511-6, 2010 Apr.
Article in English | MEDLINE | ID: mdl-20186898

ABSTRACT

BACKGROUND: Methods of surgical training that do not put patients at risk are desirable. A high-fidelity simulation of carotid endarterectomy under local anaesthesia was tested as a tool for assessment of vascular surgical competence, as an adjunct to training. METHODS: Sixty procedures were performed by 30 vascular surgeons (ten junior trainees, ten senior trainees and ten consultants) in a simulated operating theatre. Each performed in a non-crisis scenario followed by a crisis scenario. Performance was assessed live by means of rating scales for technical and non-technical skills. RESULTS: There was a significant difference in technical skills with ascending grade for both generic and procedure-specific technical skill scores in both scenarios (P < 0.001 for all comparisons). Similarly, there was also a significant difference in non-technical skill with ascending grade for both scenarios (P < 0.001). There was a highly significant correlation between technical and non-technical performance in both scenarios (non-crisis: r(s) = 0.80, P < 0.001; crisis: r(s) = 0.85, P < 0.001). Inter-rater reliability was high (alpha > or = 0.80 for all scales). CONCLUSION: High-fidelity simulation offers competency-based assessment for all grades and may provide a useful training environment for junior trainees and more experienced surgeons.


Subject(s)
Anesthesia, Local/standards , Clinical Competence/standards , Computer Simulation/standards , Education, Medical, Graduate/methods , Endarterectomy, Carotid/standards , General Surgery/education , Competency-Based Education , Consultants , General Surgery/standards , Humans , Medical Staff, Hospital/standards , Observer Variation , Operating Rooms , Patient Simulation , Self-Assessment
3.
J Audiov Media Med ; 20(4): 172-7, 1997 Dec.
Article in English | MEDLINE | ID: mdl-9614729

ABSTRACT

OBJECTIVES: To evaluate a culture-specific videotape on how to 'break bad news' and another videotape produced by a western university, and to determine if the language of presentation influenced the students' perceived abilities to execute basic skills. SUBJECTS: Third year medical students at the Faculty of Medicine, the University of Hong Kong. DESIGN: Longitudinal study with experimental design. INTERVENTION: Two instructional tapes on breaking bad news; one using Chinese speaking role models and one using English. RESULTS: In both groups, self-efficacy summed scores increased from 26.8 (95% CI = 25.9-27.7) at the pre-test to 29.0 (95% CI = 28.4-29.6). The biggest changes occurred in perceived self-efficacy regarding specific skills. However, students using the Chinese tape rated skills as more useful than those using the English tape. CONCLUSION: The videotapes were useful in teaching communication skills. Culturally relevant audiovisual materials were more effective.


Subject(s)
Clinical Competence , Culture , Education, Medical, Undergraduate/methods , Truth Disclosure , China/ethnology , Hong Kong , Humans , Language , Longitudinal Studies , Self-Evaluation Programs , Videotape Recording
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