workflow

工作流
  • 文章类型: Journal Article
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  • 文章类型: Journal Article
    Brugada综合征(BrS)是一种原发性心外膜电疾病,其特征是ST段抬高,然后在体表心电图(ECG)上的右心前导联出现负T波。也称为“类型1”ECG模式。具有自发性1型ECG模式的无症状个体的风险分层仍然具有挑战性。临床和心电图预后标记是已知的。由于这些预测因子在心律失常预后方面都不是高度可靠的,为此,已经提出了几个多因素风险评分。本文介绍了一种新的工作流程,用于处理通过高密度RV电解剖标测(HDEAM)从BrS患者获得的心内膜信号。工作流,完全依赖于Matlab软件,计算各种电参数并创建右心室的多参数图。工作流,但是它已经被用于我们小组进行的涉及患者的几项研究中,显示其在临床研究中的潜在积极影响。这里,我们将提供其功能的技术描述,以及在接受心内膜HDEAM的BrS患者中获得的结果。
    Brugada Syndrome (BrS) is a primary electrical epicardial disease characterized by ST-segment elevation followed by a negative T-wave in the right precordial leads on the surface electrocardiogram (ECG), also known as the \'type 1\' ECG pattern. The risk stratification of asymptomatic individuals with spontaneous type 1 ECG pattern remains challenging. Clinical and electrocardiographic prognostic markers are known. As none of these predictors alone is highly reliable in terms of arrhythmic prognosis, several multi-factor risk scores have been proposed for this purpose. This article presents a new workflow for processing endocardial signals acquired with high-density RV electro-anatomical mapping (HDEAM) from BrS patients. The workflow, which relies solely on Matlab software, calculates various electrical parameters and creates multi-parametric maps of the right ventricle. The workflow, but it has already been employed in several research studies involving patients carried out by our group, showing its potential positive impact in clinical studies. Here, we will provide a technical description of its functionalities, along with the results obtained on a BrS patient who underwent an endocardial HDEAM.
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  • 文章类型: Editorial
    用于研究的医学图像的去识别是数据共享计划的核心要求,特别是随着人工智能(AI)应用程序对数据的需求增长。美国国家癌症研究所(NCI)的生物医学信息学和信息技术中心(CBIIT)召开了一个虚拟研讨会,旨在总结去识别技术和过程的最新技术,并探索该主题的有趣方面。本文总结了研讨会第一天的亮点,录音,以及可公开查阅的介绍。涵盖的主题包括医学影像去识别倡议(MIDI)工作组关于最佳实践和建议的报告,传统方法去识别的工具,去身份识别的国际方法,和一个行业小组。
    De-identification of medical images intended for research is a core requirement for data-sharing initiatives, particularly as the demand for data for artificial intelligence (AI) applications grows. The Center for Biomedical Informatics and Information Technology (CBIIT) of the US National Cancer Institute (NCI) convened a virtual workshop with the intent of summarizing the state of the art in de-identification technology and processes and exploring interesting aspects of the subject. This paper summarizes the highlights of the first day of the workshop, the recordings, and presentations of which are publicly available for review. The topics covered included the report of the Medical Image De-Identification Initiative (MIDI) Task Group on best practices and recommendations, tools for conventional approaches to de-identification, international approaches to de-identification, and an industry panel.
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  • 文章类型: Journal Article
    基因组注释历来忽略了小的开放阅读框(sMORF),编码一类短于100个氨基酸的蛋白质,统称为微蛋白。建立该截断值是为了避免由于纯基因组学管道的限制而导致的数千个假阳性。蛋白质组学,一种结合基因组学的计算方法,转录组学,和蛋白质组学,通过叠加不同水平的组学证据,可以准确地识别这些短序列。在这一章中,我们展示了μProteins的使用,开发了一个生物信息学管道,用于鉴定细菌中sMORF编码的未注释微蛋白。工作流程涵盖从质量控制和转录组组装到质谱数据的评分和后处理的所有步骤。此外,我们提供了一个示例,说明如何应用管道的机器学习方法来识别高置信度光谱,并从大型数据集中确定最可靠的识别。
    Genome annotation has historically ignored small open reading frames (smORFs), which encode a class of proteins shorter than 100 amino acids, collectively referred to as microproteins. This cutoff was established to avoid thousands of false positives due to limitations of pure genomics pipelines. Proteogenomics, a computational approach that combines genomics, transcriptomics, and proteomics, makes it possible to accurately identify these short sequences by overlaying different levels of omics evidence. In this chapter, we showcase the use of μProteInS, a bioinformatics pipeline developed for the identification of unannotated microproteins encoded by smORFs in bacteria. The workflow covers all the steps from quality control and transcriptome assembly to the scoring and post-processing of mass spectrometry data. Additionally, we provide an example on how to apply the pipeline\'s machine learning method to identify high-confidence spectra and pinpoint the most reliable identifications from large datasets.
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  • 文章类型: Journal Article
    背景:术中MRI(iMRI)已成为神经胶质瘤手术中安全改善切除范围的有用工具。然而,iMRI需要专门的手术室(OR),仅为此目的配备集成的MRI扫描仪。由于物理或经济限制,这可能不是在所有中心都可行。这项研究的目的是调查在放射科使用非专用MRI扫描仪进行iMRI的可行性,并描述工作流程,特别关注时间支出和手术影响。
    方法:总共,包括24例接受神经胶质瘤手术的患者。当认为切除完成时,伤口暂时闭合,和病人,在全身麻醉下,被转移到放射科进行iMRI,在1.5或3T扫描仪上使用专用协议进行。在进行iMRI之后,患者被返回到OR以进行另外的肿瘤切除或最终的伤口闭合。所有程序时间,时间戳,并记录不良事件.
    结果:从决定开始iMRI直到扫描后重新打开伤口的中位时间为68(52-104)分钟。在iMRI上发现了13例患者(54%)的残留肿瘤。手术期间无不良事件发生,转账,运输,或iMRI检查。术后或随访期间无伤口相关并发症或感染。在30或90天内没有因任何并发症而再次入院。
    结论:使用手术室以外的MRI进行术中MRI是可行且安全的,没有不良事件。它不需要比以前报告的专用iMRI扫描仪数据更多的时间。在没有专用iMRI套件的情况下,这可能是一个可行的替代方案。
    BACKGROUND: Intraoperative MRI (iMRI) has emerged as a useful tool in glioma surgery to safely improve the extent of resection. However, iMRI requires a dedicated operating room (OR) with an integrated MRI scanner solely for this purpose. Due to physical or economical restraints, this may not be feasible in all centers. The aim of this study was to investigate the feasibility of using a non-dedicated MRI scanner at the radiology department for iMRI and to describe the workflow with special focus on time expenditure and surgical implications.
    METHODS: In total, 24 patients undergoing glioma surgery were included. When the resection was deemed completed, the wound was temporarily closed, and the patient, under general anesthesia, was transferred to the radiology department for iMRI, which was performed using a dedicated protocol on 1.5 or 3 T scanners. After performing iMRI the patient was returned to the OR for additional tumor resection or final wound closure. All procedural times, timestamps, and adverse events were recorded.
    RESULTS: The median time from the decision to initiate iMRI until reopening of the wound after scanning was 68 (52-104) minutes. Residual tumors were found on iMRI in 13 patients (54%). There were no adverse events during the surgeries, transfers, transportations, or iMRI-examinations. There were no wound-related complications or infections in the postoperative period or at follow-up. There were no readmissions within 30 or 90 days due to any complication.
    CONCLUSIONS: Performing intraoperative MRI using an MRI located outside the OR department was feasible and safe with no adverse events. It did not require more time than previously reported data for dedicated iMRI scanners. This could be a viable alternative in centers without access to a dedicated iMRI suite.
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  • 文章类型: Journal Article
    表观基因组的单细胞多体分析,转录组,和蛋白质组允许对支撑细胞身份和状态的分子电路进行全面表征。然而,鉴于缺乏系统的方法,对此类数据集的整体解释提出了挑战,不同模式的联合评价。这里,我们介绍Panpipes,一组计算工作流程,旨在通过整合广泛使用的基于Python的工具来执行质量控制,从而自动进行多模式单细胞和空间转录组学分析。预处理,一体化,聚类,和比例尺的参考绘图。Panpipes允许对个人和集成模式进行可靠和可定制的分析和评估,从而在下游调查之前授权决策。
    Single-cell multiomic analysis of the epigenome, transcriptome, and proteome allows for comprehensive characterization of the molecular circuitry that underpins cell identity and state. However, the holistic interpretation of such datasets presents a challenge given a paucity of approaches for systematic, joint evaluation of different modalities. Here, we present Panpipes, a set of computational workflows designed to automate multimodal single-cell and spatial transcriptomic analyses by incorporating widely-used Python-based tools to perform quality control, preprocessing, integration, clustering, and reference mapping at scale. Panpipes allows reliable and customizable analysis and evaluation of individual and integrated modalities, thereby empowering decision-making before downstream investigations.
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  • 文章类型: Journal Article
    ezSingleCell是一个交互式且易于使用的应用程序,用于分析各种单细胞和空间组学数据类型,而无需事先编程知识。它结合了性能最佳的公开可用方法进行深入的数据分析,一体化,和交互式数据可视化。ezSingleCell由五个模块组成,每个都被设计为一个数据类型或任务的综合工作流。此外,ezSingleCell允许统一接口内不同模块之间的串扰。可接受的输入数据可以是各种格式,而输出由发布就绪的数字和表格组成。深入的手册和视频教程可用于指导用户分析工作流程和参数调整,以适应他们的研究目标。ezSingleCell的流线型界面可以在不到五分钟的时间内分析3000个细胞的标准scRNA-seq数据集。ezSingleCell有两种形式:免安装的Web应用程序(https://immunesinglecell.org/ezsc/)或带有shinyApp界面的软件包(https://github.com/JinmiaoChenLab/ezSingleCell2),用于离线分析。
    ezSingleCell is an interactive and easy-to-use application for analysing various single-cell and spatial omics data types without requiring prior programing knowledge. It combines the best-performing publicly available methods for in-depth data analysis, integration, and interactive data visualization. ezSingleCell consists of five modules, each designed to be a comprehensive workflow for one data type or task. In addition, ezSingleCell allows crosstalk between different modules within a unified interface. Acceptable input data can be in a variety of formats while the output consists of publication ready figures and tables. In-depth manuals and video tutorials are available to guide users on the analysis workflows and parameter adjustments to suit their study aims. ezSingleCell\'s streamlined interface can analyse a standard scRNA-seq dataset of 3000 cells in less than five minutes. ezSingleCell is available in two forms: an installation-free web application ( https://immunesinglecell.org/ezsc/ ) or a software package with a shinyApp interface ( https://github.com/JinmiaoChenLab/ezSingleCell2 ) for offline analysis.
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  • 文章类型: Journal Article
    机械血栓切除术是一种时间敏感的治疗方法,快速启动和减少延迟与更好的患者预后相关。一些系统审查报告了解决延误的各种干预措施。因此,我们对系统评价进行了全面回顾,以总结当前的证据。
    Medline,Embase,搜索CochraneLibrary和JBI以获取已发表的系统评价。包括与血栓切除时间或功能独立性相关的详细结果的系统评论。由两名独立的审稿人使用JBI批判性评估工具评估方法学质量。
    共有17篇系统综述被纳入综述。这些都被评估为高质量的评论。共有13项审查报告了功能成果,以及12篇关于取栓时间结局的综述.各种干预措施被认为是有益的。最常报告的改善功能和时间相关结果的有益干预措施包括:直接到血管套件和使用母船模型(与滴水和船相比)。只有少数研究调查了其他策略,包括其他院前和团队合作策略。
    总的来说,有不同的策略可用于减少不同有效性的机械血栓切除术的延迟.在减少延误和改善功能结果方面,母船模型似乎优于滴水模型。此外,直接到血管套房的方法似乎是有益的,但需要进一步的研究才能更广泛地实施这种方法,并确定哪些患者组将受益最多。
    UNASSIGNED: Mechanical thrombectomy is a time-sensitive treatment, with rapid initiation and reduced delays being associated with better patient outcomes. Several systematic reviews reported on various interventions to address delays. Hence, we performed an umbrella review of systematic reviews to summarise the current evidence.
    UNASSIGNED: Medline, Embase, Cochrane Library and JBI were searched for published systematic reviews. Systematic Reviews that detailed outcomes related to time-to-thrombectomy or functional independence were included. Methodological quality was assessed using the JBI critical appraisal tool by two independent reviewers.
    UNASSIGNED: A total of 17 systematic reviews were included in the review. These were all assessed as high-quality reviews. A total of 13 reviews reported on functional outcomes, and 12 reviews reported on time-to-thrombectomy outcomes. Various interventions were identified as beneficial. The most frequently reported beneficial interventions that improved functional and time-related outcomes included: direct-to-angio-suite and using a mothership model (compared to drip-and-ship). Only a few studies investigated other strategies including other pre-hospital and teamwork strategies.
    UNASSIGNED: Overall, there were various strategies that can be used to reduce delays in the delivery of mechanical thrombectomy with different effectiveness. The mothership model appears to be superior to the drip-and-ship model in reducing delays and improving functional outcomes. Additionally, the direct-to-angiosuite approach appears to be beneficial, but further research is required for broader implementation of this approach and to determine which groups of patients would benefit the most.
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  • 文章类型: Journal Article
    在过去的十年中,虚拟病房的采用激增。虚拟病房旨在防止不必要的入院,加快家庭出院,提高患者满意度,这对面临住院相关风险的老年人口特别有利。因此,虚拟康复病房(VRW)正在进行大量投资,尽管有证据表明它们的实施取得了不同程度的成功。然而,虚拟病房工作人员为快速实施这些创新护理模式所经历的促进者和障碍仍然知之甚少。
    本文介绍了在澳大利亚VRW上工作的医院工作人员的见解,以应对对旨在防止住院的计划日益增长的需求。我们探讨了员工对VRW的促进者和障碍的看法,在服务设置和交付上发光。
    使用非收养对21名VRW员工进行了定性访谈,放弃,放大,传播,可持续发展(NASSS)框架。使用框架分析和NASSS框架的7个领域进行数据分析。
    结果被映射到NASSS框架的7个领域。(1)条件:管理一定的条件,特别是那些涉及合并症和社会文化因素的,可以是具有挑战性的。(2)技术:VRW证明适合无认知障碍的技术患者,通过远程监控和视频通话在临床决策中提供优势。然而,互操作性问题和设备故障导致员工沮丧,强调迅速应对技术挑战的重要性。(3)价值主张:VRW授权患者选择他们的护理地点,扩大农村社区获得护理的机会,并为老年人提供家庭治疗。(4)采用者和(5)组织:尽管有这些好处,从面对面治疗到远程治疗的文化转变引入了工作流程的不确定性,专业责任,资源分配,和摄入过程。(6)更广泛的系统和(7)嵌入:随着服务的不断发展,以解决医院能力的差距,必须优先考虑正在进行的适应。这包括完善患者顺利转移回医院的过程,解决技术方面的问题,确保护理的无缝连续性,并深思熟虑地考虑护理负担如何转移到患者及其家人身上。
    在这项定性研究中,探索医护人员对创新VRW的体验,我们确定了实施和可接受性的几个驱动因素和挑战。这些发现对考虑在服务设置和交付方面为老年人实施VRW的未来服务具有影响。未来的工作将集中在评估VRW的患者和护理人员体验。
    UNASSIGNED: Over the past decade, the adoption of virtual wards has surged. Virtual wards aim to prevent unnecessary hospital admissions, expedite home discharge, and enhance patient satisfaction, which are particularly beneficial for the older adult population who faces risks associated with hospitalization. Consequently, substantial investments are being made in virtual rehabilitation wards (VRWs), despite evidence of varying levels of success in their implementation. However, the facilitators and barriers experienced by virtual ward staff for the rapid implementation of these innovative care models remain poorly understood.
    UNASSIGNED: This paper presents insights from hospital staff working on an Australian VRW in response to the growing demand for programs aimed at preventing hospital admissions. We explore staff\'s perspectives on the facilitators and barriers of the VRW, shedding light on service setup and delivery.
    UNASSIGNED: Qualitative interviews were conducted with 21 VRW staff using the Nonadoption, Abandonment, Scale-up, Spread, and Sustainability (NASSS) framework. The analysis of data was performed using framework analysis and the 7 domains of the NASSS framework.
    UNASSIGNED: The results were mapped onto the 7 domains of the NASSS framework. (1) Condition: Managing certain conditions, especially those involving comorbidities and sociocultural factors, can be challenging. (2) Technology: The VRW demonstrated suitability for technologically engaged patients without cognitive impairment, offering advantages in clinical decision-making through remote monitoring and video calls. However, interoperability issues and equipment malfunctions caused staff frustration, highlighting the importance of promptly addressing technical challenges. (3) Value proposition: The VRW empowered patients to choose their care location, extending access to care for rural communities and enabling home-based treatment for older adults. (4) Adopters and (5) organizations: Despite these benefits, the cultural shift from in-person to remote treatment introduced uncertainties in workflows, professional responsibilities, resource allocation, and intake processes. (6) Wider system and (7) embedding: As the service continues to develop to address gaps in hospital capacity, it is imperative to prioritize ongoing adaptation. This includes refining the process of smoothly transferring patients back to the hospital, addressing technical aspects, ensuring seamless continuity of care, and thoughtfully considering how the burden of care may shift to patients and their families.
    UNASSIGNED: In this qualitative study exploring health care staff\'s experience of an innovative VRW, we identified several drivers and challenges to implementation and acceptability. The findings have implications for future services considering implementing VRWs for older adults in terms of service setup and delivery. Future work will focus on assessing patient and carer experiences of the VRW.
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  • 文章类型: Journal Article
    聚糖构成了最复杂的翻译后修饰,调节健康和疾病中的蛋白质活性。然而,来自串联质谱(MS/MS)数据的结构注释是糖组学的瓶颈,阻止高通量的努力,并将糖组学归于少数专家。对一组新策划的500,000个注释的MS/MS光谱进行了培训,在这里我们介绍CandyCrunch,从原始液相色谱-MS/MS数据以秒为单位预测聚糖结构的扩张残余神经网络(前1位准确度:90.3%)。我们开发了一个基于Python的开放访问原始数据转换和预测工作流程,然后是自动策展和片段注释,预测概括和扩展专家注释。我们证明了这可以用于从头注释,诊断片段鉴定和高通量糖组学。对于最大的影响,整个管道与我们的糖功平台紧密交织,可以在https://colab轻松测试。研究。google.com/github/BojarLab/CandyCrunch/blob/main/CandyCrunch.ipynb.我们设想CandyCrunch使结构糖组学民主化,并阐明聚糖的生物学作用。
    Glycans constitute the most complicated post-translational modification, modulating protein activity in health and disease. However, structural annotation from tandem mass spectrometry (MS/MS) data is a bottleneck in glycomics, preventing high-throughput endeavors and relegating glycomics to a few experts. Trained on a newly curated set of 500,000 annotated MS/MS spectra, here we present CandyCrunch, a dilated residual neural network predicting glycan structure from raw liquid chromatography-MS/MS data in seconds (top-1 accuracy: 90.3%). We developed an open-access Python-based workflow of raw data conversion and prediction, followed by automated curation and fragment annotation, with predictions recapitulating and extending expert annotation. We demonstrate that this can be used for de novo annotation, diagnostic fragment identification and high-throughput glycomics. For maximum impact, this entire pipeline is tightly interlaced with our glycowork platform and can be easily tested at https://colab.research.google.com/github/BojarLab/CandyCrunch/blob/main/CandyCrunch.ipynb . We envision CandyCrunch to democratize structural glycomics and the elucidation of biological roles of glycans.
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