Navigate biopsy with ultrasound under augmented reality device: Towards higher system performance

Li, Haowei; Yan, Wenqing; Zhao, Jiasheng; Ji, Yuqi; Qian, Long; Ding, Hui; Zhao, Zhe; Wang, Guangzhi

doi:10.1016/j.compbiomed.2024.108453

Computers in Biology and Medicine

2024

DOI: 10.1016/j.compbiomed.2024.108453

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Navigate biopsy with ultrasound under augmented reality device: Towards higher system performance

Haowei Li,

Wenqing Yan,

Jiasheng Zhao

et al.

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Cited by 3 publications

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Acceptance and feasibility of an augmented reality-based navigation system with optical tracking for percutaneous procedures in interventional radiology – a simulation-based phantom study

Rohmer,

Becker,

Georgiades

et al. 2024

Rofo

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Augmented reality (AR) projects additional information into the user’s field of view during interventions. The aim was to evaluate the acceptance and clinical feasibility of an AR system and to compare users with different levels of experience. A system was examined that projects a CT-generated 3D model of a phantom into the field of view using a HoloLens 2, whereby the tracked needle is displayed and navigated live. A projected ultrasound image is used for live control of the needle positioning. This should minimize radiation exposure and improve orientation.The acceptance and usability of the AR navigation system was evaluated by 10 physicians and medical students with different levels of experience by performing punctures with the system in a phantom. The required time was then compared and a questionnaire was completed to assess clinical acceptance and feasibility. For statistical analysis, frequencies for qualitative characteristics, location and dispersion measures for quantitative characteristics and Spearman rank correlations for correlations were calculated.9 out of 10 subjects hit all 5 target regions in the first attempt, taking an average of 29:39 minutes for all punctures. There was a significant correlation between previous experience in interventional radiology, years in the profession, and the time required. Overall, the time varied from an average of 43:00 min. for medical students to 15:00 min. for chief physicians. All test subjects showed high acceptance of the system and rated especially the potential clinical feasibility, the simplification of the puncture, and the image quality positively. However, the majority require further training for sufficient safety in use.The system offers distinct advantages for navigation and orientation, facilitates percutaneous interventions during training and enables professionally experienced physicians to achieve short intervention times. In addition, the system improves ergonomics during the procedure by making important information always directly available in the field of view and has the potential to reduce the radiation exposure of staff in particular by combining AR and sonography and thus shortening CT-fluoroscopy times.

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Acceptance and feasibility of an augmented reality-based navigation system with optical tracking for percutaneous procedures in interventional radiology – a simulation-based phantom study

Rohmer,

Becker,

Georgiades

et al. 2024

Rofo

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Application and Effectiveness Evaluation of Augmented Reality Technology in History Museum Exhibitions

Yang

2024

Applied Mathematics and Nonlinear Sciences

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In the context of the rapid evolution of science and technology, the integration of reality technologies has become indispensable for the evolution of history museum exhibitions towards digitization, connectivity, and intelligence. This study details the development of a visual-inertial guidance system, leveraging both the Inertial Measurement Unit (IMU) and Simultaneous Localization and Mapping (SLAM) technologies. To construct a mixed reality tour guide system, the Scale Invariant Feature Transform (SIFT) feature extraction algorithm and tracking registration technology were employed to enhance the system’s exhibit recognition accuracy and tracking capabilities. Additionally, parallel processing techniques were implemented to accelerate the system’s performance, thereby improving operational efficiency while maintaining accuracy and maximizing the potential of augmented reality interactive functions within the history museum setting. The effectiveness of the system was empirically validated through participant evaluations across three dimensions: task completion, design recognition, and knowledge conveyance. Results indicate that all average scores exceeded 9, with 85% of participants acknowledging the enhanced convenience in knowledge acquisition provided by the technology. Furthermore, the coefficients for the guided tour abstract symbol verification were recorded at -0.007, 0.009, and 0.081, respectively. These findings corroborate that the deployment of an augmented reality interactive system and a mixed reality tour system can significantly expand the public service functions and historical-cultural education offerings of history museum exhibitions while also enriching the sensory experiences of attendees.

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Non-Surgical Treatment for Hepatocellular Carcinoma: What to Expect at Follow-Up Magnetic Resonance Imaging—A Pictorial Review

Scheau,

Jurca,

Scheau

et al. 2024

Applied Sciences

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Hepatocellular carcinoma (HCC), the most prevalent form of liver cancer, represents a significant global health challenge due to its rising incidence, complex management, as well as recurrence rates of up to 70% or more. Early and accurate imaging diagnosis, through modalities such as ultrasound, CT, and MRI, is crucial for effective treatment. Minimally invasive therapies, including thermal ablation methods such as radiofrequency ablation, microwave ablation, laser ablation, high-intensity focused ultrasound, and cryoablation, as well as non-thermal methods like percutaneous ethanol injection and irreversible electroporation, have shown promise in treating early and intermediate stages of HCC. Some studies have reported complete response in more than 90% of nodules and survival rates of up to 60–85% at 5 years after the procedure. These therapies are increasingly employed and induce specific morphological and physiological changes in the tumor and surrounding liver tissue, which are critical to monitor for assessing treatment efficacy and detecting recurrence. This review highlights the imaging characteristics of HCC following non-surgical treatments, focusing on the common features, challenges in post-treatment evaluation, and the importance of standardized imaging protocols such as the Liver Imaging Reporting and Data System. Understanding these imaging features is essential for radiologists to accurately assess tumor viability and guide further therapeutic decisions, ultimately improving patient outcomes.

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Navigate biopsy with ultrasound under augmented reality device: Towards higher system performance

Cited by 3 publications

References 24 publications

Acceptance and feasibility of an augmented reality-based navigation system with optical tracking for percutaneous procedures in interventional radiology – a simulation-based phantom study

Acceptance and feasibility of an augmented reality-based navigation system with optical tracking for percutaneous procedures in interventional radiology – a simulation-based phantom study

Application and Effectiveness Evaluation of Augmented Reality Technology in History Museum Exhibitions

Non-Surgical Treatment for Hepatocellular Carcinoma: What to Expect at Follow-Up Magnetic Resonance Imaging—A Pictorial Review

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