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Objective To investigate the application of nurse-led chain management in extended care of children undergoing surgical treatment for Hirschsprung’s disease. Methods Totally 60 children with Hirschsprung’s disease were divided into control group and observation group according to the sequence of hospital admission, with 30 cases in each group. The control group received routine perioperative nursing management, and a nurse-led chain management model was adopted in perioperative nursing management and extended care of children in the observation group. Intervention efficacy was evaluated via incidence of postoperative complications and satisfaction of children’s parents. Results The incidence of postoperative complications in the observation group was lower than that in the control group(P＜0. 05). Parents of children in the observation group were more satisfied with nursing service compared with those in the control group(P＜0. 01). Conclusion The nurse-led chain management in extended care is potentially effective to reduce the risk of postoperative complications and improve the quality of life of children with Hirschsprung’s disease. (目的 探讨以护士为主导的链式管理模式在先天性巨结肠患儿术后延续性护理中的应用效果。方法 将60例先天性巨结肠患儿按照入院时间分为对照组与观察组, 各30例。对照组接受常规先天性巨结肠围手术期管理模式, 观察组采用链式管理协同延续护理模式。干预6个月后评价效果。结果 观察组术后并发症发生率低于对照组, 差异有统计学意义(P＜0. 05)。观察组患儿家属对护理工作的满意度高于对照组, 差异有统计学意义(P＜0. 01)。结论 以护士为主导的链式管理模式有利于减少术后并发症的发生, 对提升先天性巨结肠患儿术后生活质量具有积极意义。)

Copyright of Atomic Energy Science & Technology is the property of Editorial Board of Atomic Energy Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Atomic Energy Science & Technology is the property of Editorial Board of Atomic Energy Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective Clarify the reasons for the leakage and failure of the gas-gathering pipeline welds on an active shale gas platform in Sichuan. Methods Failure analysis of welds is conducted based on macroscopic morphology analysis, non-destructive testing, physical and chemical performance testing, metallographic structure analysis, and microscopic analysis of the weld area. Results There are many defects in the pipe section specimen, such as excessive welding reinforcement, undercut, overlap, and misalignment, which may lead to stress concentration in the welding area; prior to welding construction, due to weather conditions, a large amount of water containing rusts are easily generated on the inner wall and groove area of the pipeline. During welding, these rusts may enter the deposited metal, causing excessive hydrogen content in the weld zone diffusion and increasing sensitivity to hydrogen-induced cracking at the welded joint. Conclusions Hydrogen induced cracking (HIC) in the weld seam area occurs under the combined influence of the external environment, stress concentration of pipeline welds, and excessive hydrogen content in the weld area, a large number of HIC microcracks intermittently merging to form macroscopic cracking failure. [ABSTRACT FROM AUTHOR]

Copyright of Environmental Science & Technology (10036504) is the property of Editorial Board of Environmental Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Uric acid is the final product of purine metabolism in the human body. Prolonged consumption of highpurine foods or various meats that are not fresh can lead to imbalance of uric acid in the body, resulting in high levels of uric acid in the blood and triggering a series of health problems. In this experiment, a novel Cd2In2S5 nanocrystal was prepared and combined with a screen-printed carbon flexible electrode for uric acid detection. Monitoring uric acid content can be used to assess human health and determine the freshness of meat. This experiment innovatively brings nano materials to the market, enabling elementary and secondary school students, university students, and the general public to understand the principles of uric acid detection. The materials used in the experiment are inexpensive and readily available, with simple operation, enabling home uric acid testing. [ABSTRACT FROM AUTHOR]

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Aim To investigate the risk factors of death after acute Stanford type A aortic dissection (ATAAD) complicated with malperfusion syndrome (MPS). Methods 244 patients with ATAAD complicated with MPS who admitted to Nanchong Central Hospital from June 2020 to June 2023 were selected as the study objects. The postoperative survival of the patients was followed up and they were classified into survival group (156 cases) and death group (88 cases). After propensity score matching (PSM) was applied in 1 ∶ 1 matching, there were 54 cases in both groups. Univariate and Logistic regression analysis was performed to analyze the risk factors of postoperative death in patients with ATAAD complicated with MPS. Area under curve (AUC) of receiver operating characteristics (ROC) was used to analyze the prognosis of ATAAD complicated with MPS. The prediction model was established by using the regression equation y=1-1/(1+e-z) and the stability of the model was verified by cross-checking method. Results After matching, compared with the survival group (n =54), in the death group (n =54), the proportion of sex (male), the proportion of alcohol consumption, acute physiology and chronic health status Ⅱ (APACHE Ⅱ) score, sequential organ failure (SOFA) score, alanine aminotransferase (ALT), aspartate aminotransferase (AST), total serum bilirubin (TSB), cholinesterase, serum creatinine (SCr), blood urea nitrogen (BUN), N-terminal pro-brain natriuretic peptide (NT-proBNP), D-dimer (D-D), white blood cell (WBC), neutrophile granulocyte (NEU), fibrinogen degradation product (FDP), platelet (PLT), fibrinogen (FIB), C-reactive protein (CRP), hypersensitive troponin, operation time, ICU stay time, ventilator stay time, hospital stay, distal extremity hypoperfusion, renal hypoperfusion were significantly increased (P<0. 05). Logistic analysis displayed that gender (male), history of drinking, NT-proBNP≥271. 86 ng/L, D-D≥0. 74 mg/L and NEU≥13. 06× 109 L-1 were independent risk factors in ATAAD patients complicated with MPS for postoperative death (P<0. 05). The combination of NT-proBNP, D-D, gender (male), alcohol drinking history and NEU (referred to as "five factors") had the highest value in predicting ATAAD patients with MPS. The AUC of its ROC curve was 0. 979 (95% CI: 0. 937 ~ 0. 984), the sensitivity was 94. 3%, and the specificity was 91. 8%, which was higher than the independent predictor. The best critical value predicted by the five factors was 5. 02. The survival rate of the group >5. 02 was significantly higher than that of the group ≤5. 02. Log Rank test P<0. 01. A prediction model was established based on the important factors of postoperative death in ATAAD patients with MPS. The results showed that the model had good prediction accuracy. Conclusion NT-proBNP≥271. 86 ng/L, D-D≥0. 74 mg/L, gender (male), history of alcohol consumption, and NEU≥×109 L-1 were independent risk factors for long-term prognosis in patients with ATAAD combined with MPS, and their combined application could effectively increase the accuracy of prognosis assessment. [ABSTRACT FROM AUTHOR]

【摘要】 颈动脉支架内血栓形成是颈动脉支架置入术后的严重并发症，可导致患者严重瘫痪甚至死亡。然而迄今为止，针对颈动脉支架内血栓形成，仍没有统一的治疗方式。虽然有很多病例报道了颈动脉支架内血栓形成的处理方法，但是仍缺少随机双盲试验或大型临床试验来证实其可靠性、安全性。在临床上，与手术操作相关的颈动脉支架内血栓形成，是颈动脉支架内血栓形成的最主要原因。除此之外，抗血小板治疗不充分或停止抗血小板治疗、高凝状态、抗血小板药物抵抗也可导致颈动脉支架内血栓形成。目前，抗血小板及抗凝治疗、溶栓治疗、颈动脉内膜剥脱术及颈动脉支架术、机械取栓或血栓抽吸治疗等均有报道，无论何种治疗方式，使患者快速获得血管再通是颈动脉支架内血栓形成治疗的关键。 【Abstract】 In-stent thrombosis is a serious complication after carotid artery stenting (CAS), which may lead to severe paralysis and even death. However, till now, there is still no uniform treatment for in-stent thrombosis. Although cases reports have showed various therapy methods for in-stent thrombosis after CAS, there is still no randomized double-blind trial or large clinical trial to confirm the reliability and safety of these intervention measures. The main cause of instent thrombosis after CAS is related to surgical operation, the other causes include inadequate antiplatelet therapy or discontinuation of antiplatelet therapy, hypercoagulable state, and platelet drug resistance and etc. The treatment for in-stent thrombosis after CAS include antiplatelet and anticoagulant therapy, thrombolytic therapy, carotid endarterectomy and CAS, mechanical thrombectomy or thrombus aspiration and etc. Either way, rapid vascular recanalization is the key of treatment for in-stent thrombosis .

Copyright of Journal of Northern Agriculture / Beifang Nongye Xuebao is the property of Journal of Northern Agriculture Editorial and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Command Control & Simulation / Zhihui Kongzhi yu Fangzhen is the property of Command Control & Simulation Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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PM2.5 pollution management in China has entered a new stage: the rapid decline of the annual average PM2.5 concentration has slowed down or even stopped. Although the overall situation of PM2.5 exceedance nationwide has greatly improved, seasonal and re⁃ gional exceedances and heavy pollution are never absent. The marginal cost of long-term governance measures, which are centered on engineering measures for emission reduction and affordable adjustment of industrial and energy structures, is constantly increasing, while its efficiency decreases at the same time. Worse still, it performs poorly in heavily polluted weather. China is still at a critical stage of economic development and urbanization, and it is not technically feasible or cost-effective in the short term to reduce overall pollutant emissions to an allowable level determined by the ambient concentration of PM2.5 under heavily polluted meteorological condi⁃ tions. In this case, continued improvement and steady attainment of the PM2.5 standard required by public health and welfare can only be achieved through daily emission management. However, the current air pollution control policy system is relatively weak in terms of daily ambient air quality and pollutant emission control. Consequently, local governments lack incentives and practical guidance for im⁃ plementing refined air quality management. With the progress of big data technology and the improvement of information technology, the implementation of scientific and precise pollution control is becoming practical. The policy framework for air pollution management needs to be updated to meet the requirements for such management in the new era. At present, the key to the reform is to promote the transformation of air pollution control from extensive long-term management to refined daily management. Taking stationary source man⁃ agement as an example, based on some existing policies, this study proposes a new policy framework that takes both the demand for dai⁃ ly standards and long-term reduction targets of PM2.5 into account. The framework systematically includes a regional air quality assess⁃ ment system, an urban air quality planning system, a stationary source emission standard management system, and a stationary source emission permit system. Considering the daily air quality management objectives, policy efficiency, and potential for continuous im⁃ provement, this study proposes an optimized plan for each policy and establishes the cohesion relationship between policies for exerting policy synergy. There is no doubt that we should stress the accumulation and application of environmental data, summarize effective ex⁃ periences of emission control in daily management, and set up air quality management objectives and an emission control scheme ac⁃ cording to local conditions. Also, it is suggested that we increase the weight of indexes concerned with daily air quality in government performance appraisals with the purpose of encouraging local governments to consciously take measures for refined air quality manage⁃ ment. The results of the evaluation of urban air quality should be linked to the mandatory emission standards implemented in that city, and then promote continuous improvement of urban air quality through the revision of emission standards. [ABSTRACT FROM AUTHOR]

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目的 探讨基于微信平台的视频化健康教育对颈椎病患者居家功能锻炼的影响。方法 选取 2019年1月至2020年10月上高县人民医院中医康复科收治的76例颈椎病患者作为研究对象,将其随机分为 研究组和对照组,各38例。对照组患者出院后接受常规居家功能锻炼指导,研究组在对照组基础上实施基于 微信平台的视频化健康教育,对比分析两组患者干预前后依从行为、颈椎功能及生活质量。结果 干预3个月 后,两组患者的居家功能锻炼依从行为各项得分、颈椎病临床评价量表(CASCS)各项得分及总分、简明健康状 况调查问卷(SF-36)各项得分均较干预前明显提高,研究组患者的提高幅度明显较对照组更大,差异均有统计 学意义(P <0.05)。结论 基于微信平台的视频化健康教育可改善颈椎病患者的居家功能锻炼依从行为,有利 于促进患者的颈椎功能恢复,从而提高患者的生活质量。 [ABSTRACT FROM AUTHOR]

Copyright of Refractories / Naihuo Cailiao is the property of Naihuo Cailia (Refractories) Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)