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Rui-Qi Li

Institute of Automation, Chinese Academy of Sciences


Contributions

  • Qualitative and Quantitative Assessment of Technical Skills in Percutaneous Coronary Intervention: In Vivo Porcine Studies

    In this study, a natural-behavior-based assessment framework is proposed to qualitatively and quantitatively assess technical skills in PCI. In vivo porcine studies were conducted to deliver a medical guidewire to two target coronaries. Simultaneously, four types of natural behaviors were acquired from the subjects’ dominant hand and arm. The effective behavior features were applied in Gaussian-mixture-model-based qualitative assessment and Mahalanobis-distance-based quantitative assessment. The qualitative assessment achieves an accuracy of 92% to distinguish the novice and expert attempts. Furthermore, the quantitative assessment can assign objective scores for all attempts, indicating high correlation (R=0.9225) to those obtained by traditional methods.

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