anomaly

异常
  • 文章类型: Journal Article
    目的:我们调查了持续泄殖腔(PC)患者接受后矢状位肛门-尿道-阴道-阴道-阴道(PSARUVP)的术后肾功能以及影响肾功能预后的因素。
    方法:对日本的244所大学和儿童医院进行问卷调查。169例患者接受PSARUVP,103名患者被纳入本研究。排除标准为无肾脏预后数据的患者。
    结果:本研究表明,肾脏异常(p=0.09),膀胱输尿管反流(VUR)(p=0.01),和积水(p=0.07)是影响肾功能下降的潜在因素。大约一半的患者肾功能正常,但有45.6%的患者肾功能下降(慢性肾病≥2期:CKD).肾功能下降(RFD)组VUR发生率明显高于保留(RFP)组(p=0.01)。RFD组的膀胱造口术明显高于RFP组(p=0.04)。尿路感染(p<0.01)和膀胱功能障碍(p=0.04)在VUR患者中明显高于无VUR患者。VUR状态与肠功能之间没有关联。
    结论:及时评估和治疗VUR以及膀胱管理可以最大程度地减少肾功能的下降。
    OBJECTIVE: We investigated the postoperative renal function in persistent cloaca (PC) patients who underwent posterior sagittal anorecto-urethro-vaginopalsty (PSARUVP) and factors influencing the renal functional outcomes.
    METHODS: A questionnaire survey was distributed to 244 university and children\'s hospitals across Japan. Of the 169 patients underwent PSARUVP, 103 patients were enrolled in the present study. Exclusion criteria was patients without data of renal prognosis.
    RESULTS: The present study showed that renal anomalies (p = 0.09), vesicoureteral reflux (VUR) (p = 0.01), and hydrocolpos (p = 0.07) were potential factors influencing a decline in the renal function. Approximately half of the patients had a normal kidney function, but 45.6% had a reduced renal function (Stage ≥ 2 chronic kidney disease: CKD). The incidence of VUR was significantly higher in the renal function decline (RFD) group than those in the preservation (RFP) group (p = 0.01). Vesicostomy was significantly more frequent in the RFD group than in the RFP group (p = 0.04). Urinary tract infections (p < 0.01) and bladder dysfunction (p = 0.04) were significantly more common in patients with VUR than in patients without VUR. There was no association between the VUR status and the bowel function.
    CONCLUSIONS: Prompt assessment and treatment of VUR along with bladder management may minimize the decline in the renal function.
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  • 文章类型: Journal Article
    一名患者在妊娠26周(约6个月)时通过紧急剖腹产分娩。在出生后13天的超声心动图中发现了动脉导管未闭(PDA)和房间隔缺损(ASD)。患者基于导管封堵PDA和ASD。在常规超声心动图检查装置位置时,发现上腔静脉(SVC)扩张,怀疑有血栓。完成了计算机断层扫描血管造影(CTA)以更好地定义SVC解剖结构和血流加速度。CTA显示存在双无名静脉。
    A patient was delivered at 26 weeks (about 6 months) gestation via an emergency caesarian section. A patent ductus arteriosus (PDA) and atrial septal defect (ASD) were discovered during an echocardiogram 13 days after birth. The patient had catheter-based closure of the PDA and ASD. During a routine echocardiogram to check device placements, it was discovered that there was dilation of the superior vena cava (SVC), and it was suspected that a thrombus was present. Computed tomography angiography (CTA) was completed to better define SVC anatomy and flow acceleration. The CTA demonstrated that there was a double innominate vein.
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  • 文章类型: Journal Article
    目的:观察CHARGE综合征患者在人工耳蜗植入术后的临床特点和听觉表现。以及影响听觉结果的预后因素。
    方法:回顾性队列。
    方法:高等教育中心。
    方法:对2007-2022年CHARGE综合征患者进行回顾性分析。听觉表现(CAP)评分类别用于评估CI结果,并对可能影响言语结果的因素进行了评估.
    结果:在14名CHARGE综合征儿童中,进行了22CI,6单边和8双边。CI的平均年龄为25.9个月(范围:10-62)。所有患者都有耳朵异常和发育迟缓,全耳存在耳蜗神经缺陷(CND)。在最后一次随访(平均:49.6个月),与术前测量相比,平均CAP评分显着改善(从0.36±0.81到3.21±1.70,P=.001),有6例患者(42.9%)达到4分或更高的CAP评分。然而,在单边和双边CI组之间,最终CAP评分或CAP评分变化相似.因素包括年龄,结肠瘤,CND对言语结果无显著影响(P均>.05)。
    结论:尽管CHARGE综合征具有挑战性异常,CI可以安全地进行,并且可以为显着的语音改善提供有效的贡献。CHARGE综合征患者应给予undergoCI的机会,以最大限度地提高其听力学进展。
    OBJECTIVE: To examine the clinical characteristics and auditory performance of patients with CHARGE syndrome following cochlear implantation (CI), as well as the prognostic factors affecting auditory outcomes.
    METHODS: Retrospective cohort.
    METHODS: Tertiary academic center.
    METHODS: A retrospective chart review was performed in patients with CHARGE syndrome who underwent CI from 2007 to 2022. The category of auditory performance (CAP) score was used to assess the CI outcomes, and factors that may affect the speech outcomes were also evaluated.
    RESULTS: In 14 children with CHARGE syndrome, 22 CIs were performed, 6 unilaterally and 8 bilaterally. The mean age at CI was 25.9 months (range: 10-62). All patients had ear abnormalities and developmental delays, and cochlear nerve deficiency (CND) was present in all ears. At the last follow-up (mean: 49.6 months), the mean CAP score improved significantly compared to the preoperative measure (from 0.36 ± 0.81 to 3.21 ± 1.70, P = .001), with 6 patients (42.9%) achieving a CAP score of 4 points or higher. However, between the unilateral and bilateral CI groups, the final CAP score or change in CAP score was similar. Factors including age, coloboma, and CND did not significantly affect speech outcomes (all P > .05).
    CONCLUSIONS: Even though CHARGE syndrome features challenging anomalies, CI can be conducted safely and can offer effective contribution to significant speech improvement. Patients with CHARGE syndrome should be given the opportunity to undergo CI to maximize their audiological progress.
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  • 文章类型: Journal Article
    暂无摘要。
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  • 文章类型: Journal Article
    这项研究的目的是使用科学哲学的历史方法和核心原理来解释为什么在乳酸性酸中毒构造的发展中犯了错误。在更广泛的范围内,这项研究解释了什么是科学,为什么一些科学家尽管有良好的意图,经常弄错,以及为什么需要这么长时间(几十年)来纠正这些错误。科学是一种人类行为,包括基于正确应用先验知识来识别问题,开发一种最佳解决或测试问题的方法,完成这些方法以获得结果,然后对结果进行正确的解释。如果这些步骤正确完成,则结果可能正确的可能性会增加(不能保证)。托马斯·库恩提出,你可以从科学的表现来理解什么是科学,从他的论文中,他揭示了一种功能失调的科学形式,他称之为“正常”(由于其存在的优势)。相反,卡尔·波普尔坚持认为,“正常”科学的实践揭示了许多缺陷,这些缺陷偏离了科学的基本原理,科学。总的来说,证据表明,在运动医学和健康科学中,和所有学科一样,科学中的错误比你想象的更频繁。迫切需要改进我们如何教育和培训科学家,以防止对“正常”科学的追求及其对人类的危害。
    The purpose of this research was to use a historical method and core principles from scientific philosophy to explain why mistakes were made in the development of the lactic acidosis construct. On a broader scope, this research explains what science is, why some scientists despite good intention, often get it wrong, and why it takes so long (decades) to correct these errors. Science is a human behaviour that consists of the identification of a problem based on the correct application of prior knowledge, the development of a method to best resolve or test the problem, completion of these methods to acquire results, and then a correct interpretation of the results. If these steps are done correctly there is an increased probability (no guarantee) that the outcome is likely to be correct. Thomas Kuhn proposed that you can understand what science is from how it has been performed, and from his essays he revealed a very dysfunctional form of science that he called \'normal\' (due the preponderance of its presence) science. Conversely, Karl Popper was adamant that the practice of \'normal\' science revealed numerous flaws that deviate from fundamental principles that makes science, science. Collectively, the evidence reveals that within the sports medicine and health sciences, as with all disciplines, errors in science are more frequent than you might expect. There is an urgent need to improve how we educate and train scientists to prevent the pursuit of \'normal\' science and the harm it imparts on humanity.
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  • 文章类型: Journal Article
    关于横截面股票收益可预测性的文献已经记录了超过450个因素。我们从机构投资者的角度出发,通过关注与基于因子的投资策略的实用性相关的证据,来浏览这个因子动物园。建立健全的理论基础是确定“真实”因素的关键,我们强调需要认识到数据挖掘问题,这些问题可能会对许多因素的相关性产生怀疑。从实际投资的角度来看,学者记录的许多因素证据可能比真实更明显。许多因素的表现取决于将小型和微型股票纳入学术研究,尽管由于流动性不足和交易成本,此类股票可能会被排除在实际投资领域之外。然而,股票和其他资产类别中出现了一套简约的因素,包括货币,固定收入,和商品。这些因素可以作为基于因素的投资组合构建的有意义的成分。
    The literature on cross-sectional stock return predictability has documented over 450 factors. We take the perspective of an institutional investor and navigate this zoo of factors by focusing on the evidence relevant to the practicalities of factor-based investment strategies. Establishing a sound theoretical rationale is key to identifying \"true\" factors, and we emphasize the need to recognize data-mining concerns that may cast doubt on the relevance of many factors. From a practical investment perspective, much of the factor evidence documented by academics may be more apparent than real. The performance of many factors is dependent on the inclusion of small- and micro-cap stocks in academic studies, although such stocks would likely be excluded from the real investment universe due to illiquidity and transaction costs. Nevertheless, a parsimonious set of factors emerges in equities and other asset classes, including currencies, fixed income, and commodities. These factors can serve as meaningful ingredients to factor-based portfolio construction.
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  • 文章类型: Journal Article
    随着它的指数增长,物联网(IoT)产生了前所未有的连接和数据水平。异常检测是一种安全功能,用于识别系统行为偏离预期规范的实例,便于及时识别和解决异常情况。当AI和物联网结合在一起时,异常检测变得更加有效,提高可靠性,功效,物联网系统的完整性。基于AI的异常检测系统能够识别物联网环境中的各种威胁,包括蛮力,缓冲区溢出,注射,重播攻击,DDoS攻击,SQL注入,和后门漏洞。智能入侵检测系统(IDS)在物联网设备中势在必行,这有助于检测网络中的异常或入侵,随着物联网在多个行业中的应用越来越多,但拥有庞大的攻击面,为攻击者提供了更多的切入点。本研究回顾了使用机器学习和深度学习在物联网基础设施中进行异常检测的文献。本文讨论了在物联网系统中检测入侵和异常的挑战,越来越多的攻击。它回顾了物联网网络机器学习和深度学习异常检测方案的最新工作。总结现有文献。从这次调查来看,结论是,需要通过使用不同的数据集来进一步开发当前的系统,实时测试,并使系统可扩展。
    With its exponential growth, the Internet of Things (IoT) has produced unprecedented levels of connectivity and data. Anomaly detection is a security feature that identifies instances in which system behavior deviates from the expected norm, facilitating the prompt identification and resolution of anomalies. When AI and the IoT are combined, anomaly detection becomes more effective, enhancing the reliability, efficacy, and integrity of IoT systems. AI-based anomaly detection systems are capable of identifying a wide range of threats in IoT environments, including brute force, buffer overflow, injection, replay attacks, DDoS assault, SQL injection, and back-door exploits. Intelligent Intrusion Detection Systems (IDSs) are imperative in IoT devices, which help detect anomalies or intrusions in a network, as the IoT is increasingly employed in several industries but possesses a large attack surface which presents more entry points for attackers. This study reviews the literature on anomaly detection in IoT infrastructure using machine learning and deep learning. This paper discusses the challenges in detecting intrusions and anomalies in IoT systems, highlighting the increasing number of attacks. It reviews recent work on machine learning and deep-learning anomaly detection schemes for IoT networks, summarizing the available literature. From this survey, it is concluded that further development of current systems is needed by using varied datasets, real-time testing, and making the systems scalable.
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  • 文章类型: Journal Article
    甲烷氧化细菌(MOB)长期以来一直被认为是油气勘探的微生物指标。然而,由于生态生理上不同的MOB的系统狭窄呼吸,经典的文化依赖方法不能以良好的分辨率歧视暴民人口,准确反映了油气藏上方土壤中活性MOB的丰度。这里,我们提出了一种新的微生物异常检测(MAD)策略,通过使用13C-DNA稳定同位素探测(SIP)的组合来定量识别表层土壤中用于生物勘探油气藏的特定指标甲基营养物质,高通量测序(HTS),定量PCR(qPCR)和地统计学分析。准噶尔盆地春光油田被选为中国西部地区的示范系统,I型甲烷营养型甲基杆菌在生产油井上方的表层土壤中最活跃,而在干井土壤中,II型甲烷营养型甲氧菌占主导地位,非油藏土壤和油藏土壤之间表现出明显的差异。通过定量甲基杆菌pmoA基因作为通过网格采样预测未知储层的特定生物指示剂,观察到类似的结果。基于地统计分析的微生物异常分布图进一步表明,异常带与石油高度一致,地质和地震数据,并通过后续钻井进行验证。七年来,总共设计了24口井,并钻探了目标异常,MAD勘探策略的成功率为83%。我们的结果表明,分子技术是油气勘探的有力工具。该研究表明,通过整合地球物理和地质微生物学的多学科信息,可以显着提高勘探效率,同时在更大程度上降低钻井风险。
    Methane-oxidizing bacteria (MOB) have long been considered as a microbial indicator for oil and gas prospecting. However, due to the phylogenetically narrow breath of ecophysiologically distinct MOB, classic culture-dependent approaches could not discriminate MOB population at fine resolution, and accurately reflect the abundance of active MOB in the soil above oil and gas reservoirs. Here, we presented a novel microbial anomaly detection (MAD) strategy to quantitatively identify specific indicator methylotrophs in the surface soils for bioprospecting oil and gas reservoirs by using a combination of 13C-DNA stable isotope probing (SIP), high-throughput sequencing (HTS), quantitative PCR (qPCR) and geostatistical analysis. The Chunguang oilfield of the Junggar Basin was selected as a model system in western China, and type I methanotrophic Methylobacter was most active in the topsoil above the productive oil wells, while type II methanotrophic Methylosinus predominated in the dry well soils, exhibiting clear differences between non- and oil reservoir soils. Similar results were observed by quantification of Methylobacter pmoA genes as a specific bioindicator for the prediction of unknown reservoirs by grid sampling. A microbial anomaly distribution map based on geostatistical analysis further showed that the anomalous zones were highly consistent with petroleum, geological and seismic data, and validated by subsequent drilling. Over seven years, a total of 24 wells have been designed and drilled into the targeted anomaly, and the success rate via the MAD prospecting strategy was 83 %. Our results suggested that molecular techniques are powerful tools for oil and gas prospecting. This study indicates that the exploration efficiency could be significantly improved by integrating multi-disciplinary information in geophysics and geomicrobiology while reducing the drilling risk to a greater extent.
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  • 文章类型: Case Reports
    我们遇到了一个结肠癌病例,其中结肠中动脉(MCA)起源于脾动脉(SA)。
    一名妇女因横结肠癌被转诊到我们医院。三维计算机断层扫描(3D-CT)血管造影显示异常的MCA起源于SA,而不是典型的肠系膜上动脉(SMA)。行腹腔镜左半结肠切除术并D3淋巴结清扫术。从尾部视图解剖SMA周围的淋巴结,确认没有典型的MCA。胰腺下方发现了一个异常的SA起源MCA,在那里被剪接和结扎;随后,实现了肠系膜全切除。
    由于横结肠癌的D3淋巴结清扫在技术上很困难,3D-CT血管造影可用于术前识别血管异常,从而避免术中损伤。这是与SA起源的MCA异常相关的腹腔镜结肠切除术的首例报告。
    UNASSIGNED: We encountered a colon cancer case with a very rare anomaly of the middle colic artery (MCA) originating from the splenic artery (SA).
    UNASSIGNED: A woman was referred to our hospital for transverse colon cancer. Three-dimensional computed tomography (3D-CT) angiography showed an anomalous MCA originating from the SA rather than from the superior mesenteric artery (SMA) as is typical. Laparoscopic left hemicolectomy with D3 lymph node dissection was performed. The lymph nodes around the SMA were dissected from the caudal view, confirming the absence of a typical MCA. An anomalous SA-originating MCA was identified just below the pancreas, where it was clipped and ligated; subsequently, total mesenteric excision was achieved.
    UNASSIGNED: As D3 lymph node dissection for transverse colon cancer is technically difficult, 3D-CT angiography is useful for identifying vascular anomalies preoperatively, thereby avoiding intraoperative injury. This is the first case report of laparoscopic colectomy associated with a SA-originating MCA anomaly.
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  • 文章类型: Journal Article
    自2015年以来,有关机器人系统异常检测的文章有所增加,反映了其在提高越来越多地使用的自主机器人的鲁棒性和可靠性方面的重要性。本文研究了有关自主机器人任务(ARM)异常检测的文献。它揭示了异常和并置与故障检测的不同观点。达成共识,我们推断了对异常的统一理解,这些异常包含了在ARM中观察到的各种特征,并提出了在空间上对异常的分类,temporal,和基于其基本特征的时空要素。Further,本文讨论了拟议的统一理解和分类在ARM中的意义,并提供了未来的方向。我们设想围绕术语异常的特定用法进行研究,以及它们的检测方法可以促进和加速ARM通用异常检测系统的研究和开发。
    Since 2015, there has been an increase in articles on anomaly detection in robotic systems, reflecting its growing importance in improving the robustness and reliability of the increasingly utilized autonomous robots. This review paper investigates the literature on the detection of anomalies in Autonomous Robotic Missions (ARMs). It reveals different perspectives on anomaly and juxtaposition to fault detection. To reach a consensus, we infer a unified understanding of anomalies that encapsulate their various characteristics observed in ARMs and propose a classification of anomalies in terms of spatial, temporal, and spatiotemporal elements based on their fundamental features. Further, the paper discusses the implications of the proposed unified understanding and classification in ARMs and provides future directions. We envisage a study surrounding the specific use of the term anomaly, and methods for their detection could contribute to and accelerate the research and development of a universal anomaly detection system for ARMs.
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