[Applications of Naked-Eye 3D Display Technology in Medical Field].

Naked-eye 3D display technology has excellent 3D visual effects and does not require wearable devices assistance. It can present the depth, position and complex structure information of 3D medical images, allowing viewers to obtain information about tissues and organs from different points, reducing cognitive load, contributing to medical teaching and opening up innovative methods for planning and diagnosis. Naked-eye 3D augmented reality display can display medical images in real 3D space, achieving virtual and real vision.

Research on augmented reality navigation of in vitro fenestration of stent-graft based on deep learning and virtual-real registration.

Objectives: fenestration of stent-graft (IVFS) demands high-precision navigation methods to achieve optimal surgical outcomes. This study aims to propose an augmented reality (AR) navigation method for IVFS, which can provide overlay display to locate fenestration positions.

Methods: We propose an AR navigation method to assist doctors in performing IVFS.

The metabolism of pyrene by a novel Altererythrobacter sp. with in-situ co-substrates: A mechanistic analysis based on pathway, genomics, and enzyme activity.

Using co-substrates to enhance the metabolic activity of microbes is an effective way for high-molecular-weight polycyclic aromatic hydrocarbons removal in petroleum-contaminated environments. However, the long degradation period and exhausting substrates limit the enhancement of metabolic activity. In this study, Altererythrobacter sp.

Association of common medical comorbidities with early renal damage in the Chinese tropics with essential hypertension.

Background: Urine albumin/creatinine ratio (UACR) is an important marker of early renal damage (ERD) caused by hypertension. Recent studies showed that blood pressure was a significant inverse association with temperature and climate. The purposes of our study were sought to explore the association of common medical comorbidities with ERD, and find independent risk factors to ERD in Chinese tropics with essential hypertension.

P-cresol degradation through Fe(III)-EDDS/HO Fenton-like reaction enhanced by manganese ion: Effect of pH and reaction mechanism.

P-cresol is a highly toxic phenolic pollutant in coal chemical wastewater. The effective removal of p-cresol is of great significance to the ecological environment. In this study, the degradation of p-cresol by the Fe(III)-EDDS/HO Fenton-like reaction modified by Mn was investigated.

Pilot Study of a Virtual Reality Educational Intervention for Radiotherapy Patients Prior to Initiating Treatment.

Virtual reality (VR) presents opportunities for innovative patient educational methods. This study used a combination of subjective questionnaires and objective physiological measures to investigate the impact of a VR radiotherapy (RT) educational system on patients' understanding and anxiety prior to commencing RT. Sixty patients were randomized to control (n = 30) and intervention (n = 30) groups prior to initiating RT.

[Risk Analysis of Radiotherapy Implementation Process Based on Failure Mode and Effect Analysis].

Objective: Providing a risk assessment method for the implementation of radiotherapy to identify possible risks in the implementation of the treatment process, and proposing measures to reduce or prevent these risks.

Methods: A multidisciplinary expert evaluation team was developed and the radiotherapy treatment process flow was drawn. Through the expert team, the failure mode analysis is carried out in each step of the flow chart.

Subjective and Objective Quantification of the Effect of Distraction on Physician's Workload and Performance During Simulated Laparoscopic Surgery.

BACKGROUND Distracting interference cognitive tasks place undeniable pressure on the minds of people who need high precision and attention during the tasks, such as those tasks performed during surgery; these tasks might affect current surgical procedures. We measured the effect of additional cognitive tasks on the mental load of the physician by measuring the mean change in pupil size, blink rate, and subjective assessment during surgery. MATERIAL AND METHODS We recruited 24 participants with different levels of laparoscopic surgery to perform a complete appendectomy using a standardized virtual reality laparoscopic surgery simulator.

Characterization of cometabolic degradation of p-cresol with phenol as growth substrate by Chlorella vulgaris.

To investigate the potential application of Chlorella vulgaris in the treatment of coal gasification wastewater, the characteristics of phenol and p-cresol cometabolism by Chlorella vulgaris were studied, including phenol degradation, ammonia nitrogen removal, antioxidant enzyme activities, and phenol hydroxylase activity. The results showed that the highest tolerable concentrations of phenol and p-cresol for Chlorella vulgaris were 800 and 400 mg/L, respectively. During cometabolism, phenol at low concentrations (100 mg/L) significantly promoted the degradation of p-cresol.

A Usability Study of 3 Radiotherapy Systems: A Comparative Evaluation Based on Expert Evaluation and User Experience.

BACKGROUND The complex user interface design of radiotherapy treatment delivery systems can lead to use error and patient harm. In this study, we present the results of a comparison of 3 radiotherapy treatment delivery systems now used in China. MATERIAL AND METHODS We conducted a comprehensive usability study of 3 radiotherapy treatment delivery systems.

Quantitative Evaluations of the Effects of Noise on Mental Workloads Based on Pupil Dilation during Laparoscopic Surgery.

Noise can exert undeniable pressure on human minds, especially during tasks that require high precision and attention, such as those performed during surgery. To investigate whether auditory stimuli increases mental loads during laparoscopic surgery, we examined the effects of operating room (OR) noises and music by measuring mean changes in pupil sizes and subjectively assessing performances during surgery. We recruited 24 subjects with varying laparoscopic surgery experience levels to perform complete appendectomy using a laparoscopic simulator.

Comprehensive Evaluation of User Interface for Ventilators Based on Respiratory Therapists' Performance, Workload, and User Experience.

BACKGROUND Poor ergonomic design of ventilators can result in human errors. In this study, we evaluated the ergonomics of ventilators through respiratory therapists' performance, workload, and user experience. MATERIAL AND METHODS Sixteen respiratory therapists were recruited to this usability study of 3 ventilators.

Ergonomic Assessment of the Mental Workload Confronted by Surgeons during Laparoscopic Surgery.

Although the mental workload confronted by laparoscopic surgeons is rather high, there is presently no reliable, established method for evaluating this workload. In the present study, four evaluation indices of eye movement metrics were applied to evaluate surgeons' mental workload. Correlations between these indices and National Aeronautics and Space Administration Task Load Index (NASA-TLX) scores were also explored.

Usability Study of the User-Interface of Intensive Care Ventilators Based on User Test and Eye-Tracking Signals.

BACKGROUND The aim of this study was to evaluate the ergonomics of the user-interface for 3 intensive care ventilators, and identify usability problems leading to user errors. MATERIAL AND METHODS Sixteen respiratory therapists were recruited to perform 6 specific user-interface operational tasks on ventilators. Data (task completion time, pupil diameter, average slope of pupil diameter change, and subjective evaluation) were collected through objective measurement, questionnaires, and an eye-tracking instrument.

[Study of Human Error Analysis in Medical Devices Clinical Application].

This paper introduces the concept of human error in medical devices during clinical application, the importance of human error research in medical device quality management has been discussed, the general flow of human error analysis in medical device based on the clinical use environment has been presented, which has great significance for prevention and reduction human errors caused by medical devices clinical use.

Author Correction: Correlative Evaluation of Mental and Physical Workload of Laparoscopic Surgeons Based on Surface Electromyography and Eye-tracking Signals.

A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.

Correlative Evaluation of Mental and Physical Workload of Laparoscopic Surgeons Based on Surface Electromyography and Eye-tracking Signals.

Surgeons' mental and physical workloads are major focuses of operating room (OR) ergonomics, and studies on this topic have generally focused on either mental workload or physical workload, ignoring the interaction between them. Previous studies have shown that physically demanding work may affect mental performance and may be accompanied by impaired mental processing and decreased performance. In this study, 14 participants were recruited to perform laparoscopic cholecystectomy (LC) procedures in a virtual simulator.

[Study of Medical Devices Use-related Risk Based on Human Factors Engineering].

This article briefly introduced human factors engineering concepts and depicts the risk management process for addressing use-related hazards, explained the important role of human factors engineering in elimination or reduction of use-related hazards, and provides the general process of medical devices use-related risk study. Some advices are given to eliminate or reduce of use-related hazards of medical devices.

The Prevalence of and Risk Factors Associated with Musculoskeletal Disorders among Sonographers in Central China: A Cross-Sectional Study.

Objective: Studies from industrialized countries show that musculoskeletal disorders (MSD) occur commonly in sonographers. However, little is known about sonographers in China, where the awareness of ergonomics and MSD, workload, and available equipment/facilities may differ. We aimed to investigate the prevalence of MSD and associated risk factors in sonographers in central China.