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Related Experiment Videos

Simulation education utilizing phantom and angle reference guide in pulmonary nodule CT localization.

Chiao-Yun Tsai1,2, Stella Chin-Shaw Tsai3,4, Guang-Qian Shen5

  • 1Department of Thoracic Surgery, Chung Shan Medical University Hospital, Taichung, Taiwan.

Heliyon
|August 4, 2023
PubMed
Summary

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This summary is machine-generated.

Postgraduate education in pulmonary nodule computed tomography-guided localization (PNCL) using phantom simulation significantly boosts confidence and skills. The laser angle guided assembly (LAGA) device improves puncture accuracy and reduces frequency.

Area of Science:

  • Medical Education
  • Thoracic Surgery
  • Medical Imaging

Background:

  • The increasing incidence of sub-centimeter pulmonary nodules detected by low-dose computed tomography (LDCT) necessitates effective localization techniques.
  • Pulmonary nodule computed tomography-guided localization (PNCL) is a crucial preoperative procedure for early lung cancer detection.

Purpose of the Study:

  • To evaluate the efficacy of postgraduate education in PNCL using a phantom simulation.
  • To assess the impact of the laser angle guided assembly (LAGA) device on PNCL performance.

Main Methods:

  • A prospective study involving seven thoracic surgery residents and three senior physicians performing PNCL on a phantom with and without LAGA.
  • Data collection included performance metrics and a post-simulation questionnaire.
Keywords:
Angle reference deviceComputed tomography-guided localizationMedical educationPhantomPulmonary noduleSimulation

Related Experiment Videos

  • Statistical analyses utilized chi-squared tests, Mann-Whitney U test, and linear regression.

    • Main Results:

    • Simulation education increased confidence (median 7 to 8, p=0.001), enhanced PNCL ability (median 8), and course satisfaction (median 9).
    • LAGA use resulted in broader puncture angles (27.5° vs 14°, p=0.003), lower puncture frequency (1 vs 2, p<0.001), and reduced angle deviation (3° vs 5°, p=0.002).
    • Pleural depth and mediastinal traverse direction influenced procedure outcomes, while experience correlated with reduced procedure time. The learning curve plateaued after ten rounds.

    Conclusions:

    • Phantom PNCL simulation education effectively improves resident confidence, skill acquisition, and learning satisfaction.
    • The LAGA device significantly enhances PNCL outcomes by improving puncture frequency and reducing angle deviation.