Journal of Cerebrovascular and Endovascular Neurosurgery

Korean Society of Cerebravascular Surgeons (대한뇌혈관외과학회)
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Efficacy of 3D-printed simulation models of unruptured intracranial aneurysms in patient education and surgical simulation

  • Seung-Bin Woo (Department of Neurosurgery, Dongsan Medical Center, Keimyung University School of Medicine) ;
  • Chang-Young Lee (Department of Neurosurgery, Dongsan Medical Center, Keimyung University School of Medicine) ;
  • Chang-Hyun Kim (Department of Neurosurgery, Dongsan Medical Center, Keimyung University School of Medicine) ;
  • Min-Yong Kwon (Department of Neurosurgery, Dongsan Medical Center, Keimyung University School of Medicine) ;
  • Young San Ko (Department of Neurosurgery, Dongsan Medical Center, Keimyung University School of Medicine) ;
  • Jong-Ha Lee (Department of Biomedical Engineering, School of Medicine, Keimyung University) ;
  • Jin-Chul Heo (Department of Biomedical Engineering, School of Medicine, Keimyung University) ;
  • Sae Min Kwon (Department of Neurosurgery, Dongsan Medical Center, Keimyung University School of Medicine)
  • Received : 2022.09.02
  • Accepted : 2022.09.23
  • Published : 2023.03.31
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Abstract

Objective: The purpose of this study was to determine the efficacy of a 3D-printed aneurysm simulation model (3DPM) in educating patients and improving physicians' comprehension and performance. Methods: This prospective study involved 40 patients who were diagnosed with unruptured intracranial aneurysms (UIAs) and scheduled for surgical clipping or endovascular coiling and randomly divided into two groups (the 3DPM group and the non-3DPM group). The 3DPM was used in preoperative consultation with patients and intraoperatively referenced by surgeons. The patients, 7 neurosurgical residents, and 10 surgeons completed questionnaires (5-point Likert scale) to determine the usefulness of the 3DPM. Results: Patients in the 3DPM group had significantly higher scores in terms of their understanding of the disease (mean 4.85 vs. 3.95, p<0.001) and the treatment plan (mean 4.85 vs. 4.20, p=0.005) and reported higher satisfaction during consultation (5.0 vs. 4.60, p=0.036) than patients in the non-3DPM group. During patient consultation, 3DPMs were most useful in improving doctor-patient communication (mean 4.57, range 4-5). During clipping surgery, the models were most useful in assessing adjacent arteries (mean 4.9, range 4-5); during endovascular coiling, they were especially helpful in microcatheter shaping (mean 4.7, range 4-5). Conclusions: In general, 3DPMs are beneficial in educating patients and improving the physician's performance in terms of surgical clipping and endovascular coiling of UIAs.

Keywords

Acknowledgement

This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIT) (No. 2020R1G1A1013289).

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