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Current recognition and management of intra-abdominal hypertension and abdominal compartment syndrome among tertiary Chinese intensive care physicians

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2011年第2期12卷 156-162页

作者： Jian-cang ZHOU Hong-chen ZHAO kong-han PAN Qiu-ping XU Department of Critical Care Medicine Sir Run Run Shaw Hospital School of Medicine Zhejiang University Hangzhou 310016 China

This survey was designed to clarify the current understanding and clinical management of intra-abdominal hypertension （IAH）/abdominal compartment syndrome （ACS） among intensive care physicians in tertiary Chinese hospitals. A postal twenty-question questionnaire was sent to 141 physicians in different intensive care units （ICUs）. A total of 108 （76.6%） questionnaires were returned. Among these, three quarters worked in combined medical-surgical ICUs and nearly 80% had primary training in internal or emergency medicine. Average ICU beds, annual admission, ICU length of stay, acute physiology and chronic health evaluation （APACHE）II score, and mortality were 18.2 beds, 764.5 cases, 8.3 d, 19.4, and 21.1%, respectively. Of the respondents, 30.6% never measured intra-abdominal pressure （IAP）. Although the vast majority of the ICUs adopted the exclusively transvesicular method, the over- whelming majority （88.0%） only measured lAP when there was a clinical suspicion of IAH/ACS and only 29.3% measured either often or routinely. Moreover, 84.0% used the wrong priming saline volume while 88.0% zeroed at reference points which were not in consistence with the standard method for lAP monitoring recommended by the World Society of Abdominal Compartment Syndrome. ACS was suspected mainly when there was a distended ab- domen （92%）, worsening oliguria （80%）, and increased ventilatory support requirement （68%）. Common causes for IAH/ACS were ＂third-spacing from massive volume resuscitation in different settings＂（88%）, ＂intra-abdominal bleeding＂, and ＂liver failure with ascites＂（52% for both）. Though 60% respondents would recommend surgical decompression when the lAP exceeded 25 mmHg, accompanied by signs of organ dysfunction, nearly three quarters of re- spondents preferred diuresis and dialysis. A total of 68% of respondents would recommend paracentesis in the treatment for ACS. In conclusion, urgent systematic education is absolutely necessary for most intensive care physician

关键词： Questionnaire Intra-abdominal pressure Intra-abdominal hypertension Decompression laparotomy Abdominal compartment syndrome

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Effect of increased intra-abdominal pressure and decompressive laparotomy on aerated lung volume distribution

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2010年第5期11卷 378-385页

作者： Jian-cang ZHOU Qiu-ping XU kong-han PAN Chen MAO Chong-wu JIN Department of Critical Care Medicine Sir Run Run Shaw Hospital School of Medicine Zhejiang University Hangzhou 310016 China Department of Radiology Sir Run Run Shaw Hospital School of Medicine Zhejiang University Hangzhou 310016 China

Increased intra-abdominal pressure(IAP) is common in intensive care patients,affecting aerated lung volume *** current study deals with the effect of increased IAP and decompressive laparotomy on aerated lung volume *** serial whole-lung computed tomography scans of 16 patients with increased IAP were retrospectively analyzed between July 2006 and July 2008 and compared to *** IAP increased from(12.1±2.3) mmHg on admission to(25.2±3.6) mmHg(Phan that of controls(P<0.01).Prior to decompressive laparotomy,the total lung volume and percentage of normally aerated lung were significantly less in patients compared to controls(P<0.01),and the absolute volume of non-aerated lung and percentage of non-aerated lung were significantly higher in patients(P<0.01).Peak inspiratory pressure,partial pressure of carbon dioxide in arterial blood,and central venous pressure were higher in patients,while the ratio of partial pressure of arterial O2 to the fraction of inspired O2(PaO2/FIO2) was decreased relative to controls prior to *** approximately 1.8 cm greater cranial displacement of the diaphragm in patients versus controls was observed before *** sagittal diameter of the lung at the T6 level was significantly increased compared to controls on admission(P<0.01).After laparotomy,the volume and percentage of non-aerated lung decreased significantly while the percentage of normally aerated lung volume increased significantly(P<0.01).In conclusion,increased IAP decreases total lung volume while increasing non-aerated lung *** laparotomy is associated with resolution of these effects on lung volumes.

关键词： Intra-abdominal pressure Intra-abdominal hypertension Lung volume Decompressive laparotomy Computed tomography

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Aortoduodenal fistula following aortic reconstruction of a pseudoaneurysm caused by stab wound 12 years ago

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2009年第5期10卷 400-403页

作者： Jian-cang ZHOU＊ Qiu-ping XU Lai-gen SHEN kong-han PAN Yi-ping MOU Department of Critical Care Medicine Sir Run Run Shaw Hospital School of Medicine Zhejiang University Hangzhou 310016 China Department of General Surgery Sir Run Run Shaw Hospital School of Medicine Zhejiang University Hangzhou 310016 China

Gastrointestinal bleeding due to aortoenteric fistula is extremely *** fistula is difficult to be diagnosed timely and entails a significant morbidity and ***,we present an uncommon case of gastrointestinal bleeding caused by aortoduodenal fistula,which was a complication of a successful aortic reconstruction 4 months ago for an aortic pseudoaneurysm resulted from a stab wound 12 years *** urgent laparotomy confirmed an aortoduodenal fistula and repaired the defects in aorta and duodenum,but a prolonged shock led to the patient's *** summary,early diagnosis and surgical intervention for aortoenteric fistula are vital for survival.

关键词： Aortoduodenal fistula Aortic pseudoaneurysm Aortic reconstruction Stab wound

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Vanadium-based alloy for hydrogen storage:a review

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Rare Metals 2024年第12期43卷 6201-6232页

作者： han-Yang kong Qing-Feng Xie Chao-Ling Wu Yao Wang Yun-Gui Chen Hai-Wen Li Yi-Gang Yan Institute of New Energy and Low-Carbon Technology Sichuan University College of Materials Science and Engineering Sichuan University Engineering Research Center of Alternative Energy Materials and Devices Ministry of Education Hefei General Machinery Research Institute

Storage of hydrogen in solid-state materials offers a safer and compacter way compared to compressed and liquid ***（V）-based alloys attract wide attention,owing to the total hydrogen storage capacity of 3.8 wt% and reversible capacity above 2.0 wt%at ambient conditions,surpassing the AB5-,AB2-and ABtype hydrogen storage ***,several challenges,such as insufficient capacity,cyclic stability and high raw material costs,hinder the practical applications of V-based *** review provides an overview of the recent advances in hydrogen storage properties of V-based *** mechanism and optimization strategies of hydrogen storage properties and cyclic stability are discussed in detail,and furthermore,the approaches to reduce manufacturing costs are compared comprehensively.

关键词： Cheap resources Cycling stability Hydrogen storage Reversible hydrogen capacity Vanadium-based alloys

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民族地区农村民间借贷成因、特征及影响——以湖北省恩施州为例

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中央民族大学学报（哲学社会科学版） 2010年第4期37卷 37-40页

作者：孔晗中南民族大学经济学院武汉430074

本文从金融抑制的角度,分析了民族地区农村民间借贷兴起的成因。在此基础上,根据调查数据与资料,对民族地区农村民间借贷市场的运行特征进行了总体描述,并从民间借贷对农民生活质量与收入的改善以及对正规金融市场的冲击角度,探讨了民... 详细信息

本文从金融抑制的角度,分析了民族地区农村民间借贷兴起的成因。在此基础上,根据调查数据与资料,对民族地区农村民间借贷市场的运行特征进行了总体描述,并从民间借贷对农民生活质量与收入的改善以及对正规金融市场的冲击角度,探讨了民间借贷对民族地区农村经济发展的影响。

关键词：民间借贷金融抑制金融风险

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Klebsiella pneumoniae invasive liver abscess syndrome with purulent meningitis and septic shock: A case from China's Mainland

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World Journal of Gastroenterology 2016年第9期22卷 2861-2866页

作者： Yun Qian Chi-Chun Wong San-Chuan Lai Zheng-Hua Lin Wei-Liang Zheng Hui Zhao kong-han Pan Shu-Jie Chen Jian-Min Si Department of Gastroenterology Sir Run Run Shaw Hospital School of Medicine Zhejiang University Institute of Gastroenterology Zhejiang University Institute of Digestive Disease and Department of Medicine and Therapeutics State Key Laboratory of Digestive Disease Li Ka Shing Institute of Health Sciences the Chinese University of Hong Kong Department of Radiology Sir Run Run Shaw Hospital School of Medicine Zhejiang University Emergency Department Sir Run Run Shaw Hospital School of Medicine Zhejiang University Department of Critical Care Medicine Sir Run Run Shaw Hospital School of Medicine Zhejiang University

We present a rare case of invasive liver abscess syndrome due to Klebsiella pneumoniae (K. pneumoniae) with metastatic meningitis and septic shock. A previously healthy, 55-year-old female patient developed fever, liver abscess, septic shock, purulent meningitis and metastatic hydrocephalus. Upon admission, the clinical manifestations, laboratory and imaging examinations were compatible with a diagnosis of K. pneumoniae primary liver abscess. Her distal metastasis infection involved meningitis and hydrocephalus, which could flare abruptly and be life threatening. Even with early adequate drainage and antibiotic therapy, the patient’s condition deteriorated and she ultimately died. To the best of our knowledge, this is the first case of K. pneumoniae invasive liver abscess syndrome with septic meningitis reported in China's Mainland. Our findings reflect the need for a better understanding of the epidemiology, risk factors, complications, comorbid medical conditions and treatment of this disease.

关键词： Invasive liver abscess syndrome Pyogenic liver abscess Klebsiella pneumonia Meningitis Septic shock

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永磁伺服电机转子偏心对电机性能的影响研究

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电机与控制学报 2016年第1期20卷 52-59页

作者：孔汉刘景林西北工业大学自动化学院陕西西安710072 郑州轻工业学院电气信息工程学院河南郑州450002

针对永磁伺服电机转子偏心对电机综合性能的影响,以一台14 k W卷烟自动化设备永磁伺服电机为例,建立了电机二维电磁场数学模型,给出了求解域以及相应的边界条件;采用有限元计算方法,计算分析了永磁电机转子偏心对气隙磁场的影响,给出了... 详细信息

针对永磁伺服电机转子偏心对电机综合性能的影响,以一台14 k W卷烟自动化设备永磁伺服电机为例,建立了电机二维电磁场数学模型,给出了求解域以及相应的边界条件;采用有限元计算方法,计算分析了永磁电机转子偏心对气隙磁场的影响,给出了转子偏心影响气隙内谐波磁场的变化规律,并与部分实测数据进行了对比。在气隙谐波磁场分析的基础上,定量分析了气隙谐波磁场的变化对电机输出转矩和电机转子表面涡流电密的影响,给出了静态偏心、动态偏心以及不同偏心程度情况下电机输出转矩、电机转子涡流损耗的变化规律,并进一步揭示了涡流损耗变化的机理,为深入研究永磁电机偏心对电机性能的影响提供了理论基础。

关键词：永磁伺服电机转子偏心有限元方法谐波磁场损耗

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血管中膜钙化的机制

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生理学报 2016年第5期68卷 592-610页

作者：刘艺涵孔炜北京大学医学部生理学与病理生理学系北京100191

血管钙化是一个主动的、可逆转的并且受到高度调控的病理过程,其特点是羟磷灰石结晶沉积于血管系统。血管钙化可分为血管内膜钙化和血管中膜钙化等。血管中膜钙化常见于糖尿病、慢性肾功能衰竭及衰老的血管中。本文主要综述了血管中膜... 详细信息

血管钙化是一个主动的、可逆转的并且受到高度调控的病理过程,其特点是羟磷灰石结晶沉积于血管系统。血管钙化可分为血管内膜钙化和血管中膜钙化等。血管中膜钙化常见于糖尿病、慢性肾功能衰竭及衰老的血管中。本文主要综述了血管中膜钙化的相关机制。

关键词：血管钙化血管平滑肌细胞机制

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武陵山片区扶贫开发问题与对策研究

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中央民族大学学报（哲学社会科学版） 2014年第2期41卷 25-34页

作者：青觉孔晗中央民族大学校长办公室北京100081 中央民族大学经济学院北京100081

按照将集中连片特殊困难地区作为新阶段扶贫攻坚主战场的战略部署和国家区域协调发展总要求,武陵山片区被率先确立为区域发展与扶贫攻坚"先行先试"试点。本文基于贫困及扶贫相关理论,以武陵山片区为研究对象,分析该片区扶贫开发历程及... 详细信息

按照将集中连片特殊困难地区作为新阶段扶贫攻坚主战场的战略部署和国家区域协调发展总要求,武陵山片区被率先确立为区域发展与扶贫攻坚"先行先试"试点。本文基于贫困及扶贫相关理论,以武陵山片区为研究对象,分析该片区扶贫开发历程及其政策实施,并就其扶贫开发中存在的问题及根源进行较为深入探讨,藉此对武陵山片区扶贫攻坚提出具有一定可操性的对策建议,以期为国家其他连片特困地区扶贫开发提供借鉴。

关键词：连片特困地区武陵山片区扶贫开发政策建议

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雾霾污染与城市规模的非线性关系——基于我国城市数据的分析

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中南民族大学学报（人文社会科学版） 2021年第2期41卷 150-160页

作者：孔晗刘帅武汉大学区域与城乡发展研究院湖北武汉430072 北京大学中国农业政策研究中心北京100871

利用卫星反演得到全国278个地级及以上城市的雾霾污染数据,构造了2007-2016年非平衡面板,通过扩展的STIRPAT模型构建了城市雾霾污染与城市规模的静态和动态面板模型,分别使用双向固定效应和系统GMM估计方法,进行估计检验。回归结果显示... 详细信息

利用卫星反演得到全国278个地级及以上城市的雾霾污染数据,构造了2007-2016年非平衡面板,通过扩展的STIRPAT模型构建了城市雾霾污染与城市规模的静态和动态面板模型,分别使用双向固定效应和系统GMM估计方法,进行估计检验。回归结果显示,城市雾霾污染与城市规模之间存在倒“N”型关系。分地区回归结果表明,两者的关系在不同地区之间存在差异,东部和中部地区雾霾污染与城市规模仍呈现显著的倒“N”型关系;而西部地区则呈现“U”型关系。扩大副省级城市的范围,进一步分析城市行政级别对雾霾污染与城市规模关系的不同影响,发现两者的倒“N”型关系在普通地级市中更为显著。

关键词：雾霾城市规模非线性关系区域差异

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