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Multivariate-Stepwise Gaussian Classifier (MSGC): A New Classification Algorithm Tested Over Real Disease Data Sets 多变量逐步高斯分类器(MSGC):在真实疾病数据集上测试的一种新的分类算法
Pub Date : 2018-08-01 DOI: 10.5772/INTECHOPEN.74703
A. S. Barreto
In data mining, classification is the process of assigning one amongst previously known classes to a new observation. Mathematical algorithms are intensively used for classification. In these, a generalization is inferred from the data, so as to classify new cases, or individuals. The algorithm may misclassify an individual if the inference machine is not able to sufficiently discriminate it. Therefore, it is necessary to go further into the analysis of the information provided by the individual, until it can be sufficiently identified as belonging to a class. This chapter developed this idea for the improvement of a certain class of classifiers, using medical data sets to validate the new algorithm proposed here: The Multivariate-Stepwise Gaussian Classifier (MSGC). The results showed that MSGC is at least as competitive as the Gaussian Maximum Likelihood Classifier. MSGC attained the greatest accuracy rate in two of the data sets, and obtained identical results in the two remaining data sets. Concerning medical applications, once a classification method has been successfully validated considering a particular scope of data, the recommendable would be its use for the best diagnosis. Meanwhile, other algorithms could be tested until they proved to be effective enough to be put into practice.
在数据挖掘中,分类是将先前已知的类中的一个分配给新观察的过程。数学算法被广泛用于分类。在这种情况下,从数据中推断出一种概括,从而对新病例或个人进行分类。如果推理机不能充分区分个体,算法可能会对个体进行错误分类。因此,有必要进一步分析个人提供的信息,直到它能够被充分地确定为属于一个类别。本章发展了这一思想来改进某一类分类器,使用医疗数据集来验证这里提出的新算法:多变量逐步高斯分类器(MSGC)。结果表明,MSGC至少与高斯最大似然分类器一样具有竞争力。其中两个数据集的MSGC准确率最高,其余两个数据集的结果相同。就医疗应用而言,一旦一种分类方法在考虑特定数据范围后得到成功验证,建议将其用于最佳诊断。与此同时,其他算法可以被测试,直到它们被证明足够有效,可以投入实践。
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引用次数: 0
Real-Time Tele-Auscultation Consultation Services over the Internet: Effects of the Internet Quality of Service 网络实时远程听诊咨询服务:网络服务质量的影响
Pub Date : 2018-08-01 DOI: 10.5772/INTECHOPEN.74680
S. Kamolphiwong, T. Kamolphiwong, Soontorn Saechow, V. Chandeeying
A real-time tele-auscultation over the Internet is effective medical services that increase the accessibility of healthcare services to remote areas. However, the quality of auscultation’s sounds transmitted over the Internet is the most critical issue, especially in real-time service. Packet loss and packet delay variations are the main factors. There is little knowl edge of these factors affecting auscultation’s sounds transmitted over the Internet. In this work, we investigate the effects of packet loss and packet delay variations, in particular, heart and lung sounds with auscultation’s sound over the Internet in real-time services. We have found that both sounds are more sensitive to packet delay variations than packet loss. Lung sounds are more sensitive than heart sounds due to their timing interpretation. Some different levels of packet loss can be tolerated, e.g., 10% for heart sounds and 2% for lung sounds. Packet delay variation boundary of 50 msec is recommended. In addition, we have developed the real-time tele-auscultation prototype that tries to minimize the packet delay variation. We have found that real-time waveform of auscultation’s visualization can help physician’s confident level for sound interpreting. Some techniques for quality of service improvement are suggested, e.g., noise reduction and user interface (UI).
通过互联网进行实时远程听诊是一种有效的医疗服务,增加了偏远地区医疗服务的可及性。然而,听诊声音在互联网上传输的质量是最关键的问题,特别是在实时服务中。丢包和包延迟变化是主要的影响因素。对于这些影响听诊声音在互联网上传播的因素,人们知之甚少。在这项工作中,我们研究了数据包丢失和数据包延迟变化的影响,特别是在互联网实时服务中听诊声音的心肺音。我们发现这两种声音对包延迟变化比包丢失更敏感。由于对时间的解释,肺音比心音更敏感。一些不同程度的包丢失是可以容忍的,例如心音10%,肺音2%。建议将报文延迟变化边界设置为50msec。此外,我们还开发了实时远程听诊原型,以尽量减少数据包延迟变化。我们发现,听诊波形的实时可视化可以帮助医生提高对声音解释的信心。建议了一些改善服务质量的技术,例如减少噪音和用户界面(UI)。
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引用次数: 2
Terminology Services: Standard Terminologies to Control Medical Vocabulary. “Words are Not What they Say but What they Mean” 术语服务:控制医学词汇的标准术语。“言语不在于它所说的,而在于它的意思”
Pub Date : 2018-08-01 DOI: 10.5772/INTECHOPEN.75781
D. Luna, C. Otero, M. L. Gambarte, J. Frangella
Data entry is an obstacle for the usability of electronic health records (EHR) applications and the acceptance of physicians, who prefer to document using “free text”. Natural language is huge and very rich in details but at the same time is ambiguous; it has great dependence on context and uses jargon and acronyms. Healthcare Information Systems should capture clinical data in a structured and preferably coded format. This is crucial for data exchange between health information systems, epidemiological analysis, quality and research, clinical decision support systems, administrative functions, etc. In order to address this point, numerous terminological systems for the systematic recording of clinical data have been developed. These systems interrelate concepts of a particular domain and provide reference to related terms and possible definitions and codes. The purpose of terminology services consists of representing facts that happen in the real world through database management. This process is named Semantic Interoperability. It implies that different systems understand the information they are processing through the use of codes of clinical terminologies. Standard terminologies allow controlling medical vocabulary. But how do we do this? What do we need? Terminology services are a fundamental piece for health data management in health environment.
数据输入是电子健康记录(EHR)应用程序可用性和医生接受程度的障碍,医生更喜欢使用“自由文本”进行记录。自然语言是巨大的,非常丰富的细节,但同时是模棱两可的;它很大程度上依赖于上下文,使用术语和缩写词。医疗保健信息系统应该以结构化的、最好是编码的格式获取临床数据。这对于卫生信息系统、流行病学分析、质量和研究、临床决策支持系统、行政职能等之间的数据交换至关重要。为了解决这一点,已经开发了许多用于临床数据系统记录的术语系统。这些系统将特定领域的概念相互关联,并提供相关术语和可能的定义和代码的参考。术语服务的目的是通过数据库管理表示现实世界中发生的事实。这个过程被命名为语义互操作性。这意味着不同的系统通过使用临床术语代码来理解它们正在处理的信息。标准术语允许控制医学词汇。但是我们要怎么做呢?我们需要什么?术语服务是健康环境中健康数据管理的基本组成部分。
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引用次数: 2
Moving towards Sustainable Electronic Health Applications 迈向可持续的电子健康应用
Pub Date : 2018-08-01 DOI: 10.5772/INTECHOPEN.75040
Sahr Wali, K. Keshavjee, C. Demers
Electronic healthcare applications, both web-based and mobile health (mHealth) provide new modalities for chronic disease. These tools allow patients to track their symptoms and help them manage their condition. The sustainability of these tools is often not considered during their development. To ensure these applications can be adopted and sustainable, where policy differs amongst states and provinces, we must present the benefits of our findings to highlight the justification for its development. For technology to be sustainable it has to utilize infrastructure that is secure, stable and to be agile so that it can be deployed quickly with minimal interruption to patients, family members and healthcare professionals.
电子医疗保健应用程序,包括基于网络的和移动医疗(mHealth),为慢性病提供了新的模式。这些工具使患者能够跟踪他们的症状并帮助他们控制病情。这些工具的可持续性在开发过程中通常没有被考虑。在各州和各省的政策不同的情况下,为了确保这些应用程序可以被采用和可持续,我们必须展示我们的研究结果的好处,以突出其发展的理由。为了使技术具有可持续性,它必须利用安全、稳定和灵活的基础设施,以便能够快速部署,尽量减少对患者、家庭成员和医疗保健专业人员的干扰。
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引用次数: 1
Introductory Chapter: Making Health Care Smart 导论章:使医疗保健智能化
Pub Date : 2018-08-01 DOI: 10.5772/INTECHOPEN.78993
Thomas F. Heston
(IOT) in of smart applied to monitoring health with wrist monitors, blood glu-cose monitors, temperature monitors, and more. The time is for not only having smart homes, but having smart hospitals. IOT with blockchain technology is leading the way.
(IOT)智能应用于监测腕部监测器、血糖监测器、体温监测器等健康状况。现在不仅需要智能家居,还需要智能医院。物联网与区块链技术正在引领潮流。
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引用次数: 2
Using Patient Registries to Identify Triggers of Rare Diseases 利用病人登记来确定罕见疾病的诱因
Pub Date : 2018-08-01 DOI: 10.5772/INTECHOPEN.76449
F. Ghazawi, S. Glassman, D. Sasseville, I. Litvinov
Mapping the distribution of patients and analyzing disease clusters is an effective method in epidemiology, where the non-random aggregation of patients is carefully investigated. This can aid in the search for clues to the etiology of diseases, particularly the rare ones. Indeed, with the increased incidence of rare diseases in certain populations and/or geographic areas and with proper analysis of common exposures, it is possible to identify the likely promoters/triggers of these diseases at a given time. In this chapter, we will highlight the appropriate methodology and demonstrate several examples of cluster analyses that lead to the recognition of environmental, occupational and communicable preventable triggers of several rare diseases.
绘制患者分布图和分析疾病聚集是流行病学中一种有效的方法,在流行病学中,对非随机聚集的患者进行仔细调查。这有助于寻找疾病病因的线索,特别是罕见的疾病。事实上,随着罕见疾病在某些人群和/或地理区域发病率的增加,以及对常见接触情况的适当分析,有可能在特定时间确定这些疾病的可能促发/触发因素。在本章中,我们将重点介绍适当的方法,并展示几个聚类分析的例子,这些分析可以识别几种罕见疾病的环境、职业和传染性可预防诱因。
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引用次数: 7
Use of Artificial Intelligence in Healthcare Delivery 人工智能在医疗服务中的应用
Pub Date : 2018-08-01 DOI: 10.5772/INTECHOPEN.74714
S. Reddy
In recent years, there has been an amplified focus on the use of artificial intelligence (AI) in various domains to resolve complex issues. Likewise, the adoption of artificial intelligence (AI) in healthcare is growing while radically changing the face of healthcare delivery. AI is being employed in a myriad of settings including hospitals, clinical laboratories, and research facilities. AI approaches employing machines to sense and comprehend data like humans have opened up previously unavailable or unrecognisedopportunities for clinical practitioners and health service organisations. Some examples include utilising AI approaches to analyse unstructured data such as photos, videos, physician notes to enable clinical decision making; use of intelligence interfaces to enhance patient engagement and compliance with treatment; and predictive modelling to manage patient flow and hospital capacity/resource allocation. Yet, there is an incomplete understanding of AI and even confusion as to what it is? Also, it is not completely clear what the implications are in using AI generally and in particular for clinicians? This chapter aims to cover these topics and also introduce the reader to the concept of AI, the theories behind AI programming and the various applications of AI in the medical domain.
近年来,人们越来越关注在各个领域使用人工智能(AI)来解决复杂问题。同样,人工智能(AI)在医疗保健领域的应用也在不断增长,同时从根本上改变了医疗保健服务的面貌。人工智能正在无数的环境中使用,包括医院、临床实验室和研究机构。人工智能方法利用机器像人类一样感知和理解数据,为临床医生和卫生服务组织开辟了以前无法获得或未被认识的机会。一些例子包括利用人工智能方法分析非结构化数据,如照片、视频、医生笔记,以促进临床决策;使用智能接口来提高患者的参与度和治疗依从性;以及用于管理病人流量和医院容量/资源分配的预测建模。然而,人们对人工智能的理解并不完整,甚至对它是什么感到困惑。此外,目前还不完全清楚人工智能在一般情况下的应用,特别是对临床医生的应用会产生什么影响?本章旨在涵盖这些主题,并向读者介绍人工智能的概念、人工智能编程背后的理论以及人工智能在医疗领域的各种应用。
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引用次数: 27
Exploring the Interrelationship of Risk Factors for Supporting eHealth Knowledge-Based System 探讨支持电子健康知识系统的风险因素相互关系
Pub Date : 2018-08-01 DOI: 10.5772/INTECHOPEN.75033
G. S. Tegenaw
In developing countries like Africa, the physician-to-population ratio is below the World Health Organization (WHO) minimum recommendation. Because of the limited resource setting, the healthcare services did not get the equity of access to the use of health services, the sustainable health financing, and the quality of healthcare service provision. Efficient and effective teaching, alerting, and recommendation system are required to support the activi - ties of the healthcare service. To alleviate those issues, creating a competitive eHealth knowl-edge-based system (KBS) will bring unlimited benefit. In this study, Apriori techniques are applied to malaria dataset to explore the degree of the association of risk factors. And then, integrate the output of data mining (i.e., the interrelationship of risk factors) with knowledge- based reasoning. Nearest neighbor retrieval algorithms (for retrieval) and voting method (to reuse tasks) are used to design and deliver personalized knowledge-based system.
在非洲等发展中国家,医生与人口的比例低于世界卫生组织(世卫组织)的最低建议。由于资源环境有限,卫生保健服务没有获得公平使用卫生服务的机会、可持续的卫生筹资和卫生保健服务提供的质量。高效、有效的教学、预警和推荐系统是支持医疗服务活动的必要条件。为了缓解这些问题,建立具有竞争力的电子医疗知识基础系统(KBS)将带来无限的好处。本研究将Apriori技术应用于疟疾数据集,探讨风险因素的关联程度。然后,将数据挖掘的输出(即风险因素的相互关系)与基于知识的推理相结合。采用最近邻检索算法(用于检索)和投票方法(用于重用任务)来设计和交付个性化的基于知识的系统。
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引用次数: 0
Phoebe Framework and Experimental Results for Estimating Fetal Age and Weight 估算胎儿年龄和体重的Phoebe框架和实验结果
Pub Date : 2018-08-01 DOI: 10.5772/INTECHOPEN.74883
Loc X. Nguyen, Truong-Duyet Phan, Thu-Hang T. Ho
Fetal age and weight estimation plays an important role in pregnant treatments. There are many estimation formulas created by the combination of statistics and obstetrics. How-ever, such formulas give optimal estimation if and only if they are applied into specified community. This research proposes a so-called Phoebe framework that supports physicians and scientists to find out most accurate formulas with regard to the community where scientists do their research. The built-in algorithm of Phoebe framework uses statistical regression technique for fetal age and weight estimation based on fetal ultra- sound measures such as bi-parietal diameter, head circumference, abdominal circumference, fetal length, arm volume, and thigh volume. This algorithm is based on heuristic assumptions, which aim to produce good estimation formulas as fast as possible. From experimental results, the framework produces optimal formulas with high adequacy and accuracy. Moreover, the framework gives facilities to physicians and scientists for exploiting useful statistical information under pregnant data. Phoebe framework is a computer software available at http://phoebe.locnguyen.net.
胎儿年龄和体重估计在妊娠治疗中起着重要作用。统计学和产科相结合产生了许多估算公式。然而,当且仅当这些公式应用于特定的群体时,这些公式才给出最优估计。这项研究提出了一个所谓的菲比框架,它支持医生和科学家找到关于科学家进行研究的社区的最准确的公式。Phoebe框架的内置算法使用统计回归技术,根据胎儿的超声测量(如双顶骨直径、头围、腹围、胎儿长度、手臂体积和大腿体积)来估计胎儿的年龄和体重。该算法基于启发式假设,目的是尽可能快地产生好的估计公式。实验结果表明,该框架生成的最优公式具有较高的充分性和准确性。此外,该框架为医生和科学家利用怀孕数据下的有用统计信息提供了便利。Phoebe框架是一个计算机软件,可在http://phoebe.locnguyen.net上获得。
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引用次数: 0
The Practice of Medicine in the Age of Information Technology 信息技术时代的医学实践
Pub Date : 2018-04-09 DOI: 10.5772/INTECHOPEN.75482
M. Alscher, N. Schmidt
Regarding the practice of medicine, we have to face the chances and challenges of all aspects of e-Health; however, the term “digitalization” is broader and spanning all aspects. However, the digitalization of medicine offers solutions for pressing problem. We know the factors that lead to excellence in medicine. Without the right amount of experiences based on a solid ground of knowledge, no excellence is achievable. The problem, nowadays, is that due to restriction of working hours, to the goals of life (“life-work-balance”) and the restrictions of Generation Y, almost no education in medicine is spanning the needed 10,000 h experiences in practical medicine for excellence. Therefore, we will see the fading of medical excellence, if we could not establish other systems. A solution can be searched in decision-support systems. However, a requirement before is the need of a digitalization of all health data. We surely do not have enough evidences for all aspects of the practice of medicine, the intuition is fading away and therefore, we have to look around for other solutions. Big data generated by the digitalization of all health data could be the problem solver. In combination, IT will help to improve the quality of care.
就医疗实践而言,我们必须面对电子健康的各个方面的机遇和挑战;然而,“数字化”一词更广泛,涵盖了各个方面。然而,医学数字化为迫切需要解决的问题提供了解决方案。我们知道导致医学卓越的因素。没有建立在坚实知识基础上的适量经验,就不可能取得卓越。现在的问题是,由于工作时间的限制,生活目标(“生活与工作的平衡”)和Y一代的限制,几乎没有医学教育能够跨越实践医学所需的10,000小时经验。因此,如果我们不能建立其他制度,我们将看到优秀医疗的衰落。可以在决策支持系统中搜索解决方案。然而,之前的一个要求是需要将所有卫生数据数字化。我们当然没有足够的证据来证明医学实践的各个方面,直觉正在消失,因此,我们必须寻找其他的解决方案。所有健康数据数字化产生的大数据可能是问题的解决方案。综合起来,信息技术将有助于提高护理质量。
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引用次数: 1
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eHealth - Making Health Care Smarter
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