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Pulse oximeter as a home assessment tool:Knowledge and user experience among the community in malaysia during the COVID-19 pandemic

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Asian Pacific Journal of Tropical Medicine 2022年第5期15卷 213-219页

作者： Siew-Keah Lee jin wei ma Khai Ying Chan Yi Song Cheong Wan Ting Hong Regine Chew Yi Ong wei Cheng Tay Ang-Lim Chua Faculty of Medicine and Health Sciences Universiti Tunku Abdul RahmanMalaysia Faculty of Medicine Universiti Teknologi MARAMalaysia

Objective:To determine the degree of knowledge in the usage of pulse oximeter as a home assessment tool among the community in ***:A cross-sectional survey was conducted in November *** questionnaire assessed the knowledge in using pulse oximeters,user experience and opinions in using pulse oximeter as a home assessment tool during the ***:A total of 504 respondents were included in the study,and the mean score in knowledge related to application of pulse oximetry was 73.00%,while the mean score in knowledge related to factors affecting pulse oximetry readings was only 38.51%.A total of 90.5% of the respondents recognised normal pulse rate and 88.5% knew the blood oxygen saturation levels of a healthy adult,while 69.4% recognised the definition of silent *** addition,the majority of the respondents agreed that factors such as poor blood circulation(71.2%),excessive movements(69.8%),and hand position(60.7%)affected oximetry ***,61.7%,81.7%,77.2% and 76.8% of the respondents could not identify nail polish,skin colour,skin thickness and tattoos as factors that may affect oximetry readings ***:The respondents showed a satisfactory level of knowledge related to application of pulse oximetry,but a poor level of knowledge related to factors affecting pulse oximetry readings among the community in *** efforts in educating the community on the correct use of pulse oximeters are crucial for appropriate home assessment and avoiding unnecessary stress.

关键词： COVID-19 Pulse oximetry SpO2 Home assessment tool Silent hypoxia

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Morphology engineering of ZnO micro/nanostructures under mild conditions for optoelectronic application

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International Journal of Minerals,Metallurgy and materials 2025年第2期32卷 498-503页

作者： Liang Chu Haoyu Shen Hudie wei Hongyu Chen Guoqiang ma Wensheng Yan Institute of Carbon Neutrality and New Energy&School of Electronics and Information Hangzhou Dianzi UniversityHangzhou 310018China School of Applied Physics and materials Wuyi UniversityJiangmen 529020China

Zinc oxide(ZnO)serves as a crucial functional semiconductor with a wide direct bandgap of approximately 3.37 *** reaction is commonly used in the synthesis of ZnO micro/nanostructures,given its low cost,simplicity,and easy ***,ZnO morphology engineering has become desirable through the alteration of minor conditions in the reaction process,particularly at room *** this work,ZnO micro/nanostructures were synthesized in a solution by varying the amounts of the ammonia added at low temperatures(including room temperature).The formation of Zn^(2+)complexes by ammonia in the precursor regulated the reaction rate of the morphology engineering of ZnO,which resulted in various structures,such as nanoparticles,nanosheets,microflowers,and single ***,the obtained ZnO was used in the optoelectronic application of ultraviolet detectors.

关键词： morphology engineering low temperature ZnO nanosheets microflowers ultraviolet detector

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Outcomes of using Firebird rapamycin eluting stents in routine coronary intervention practice: one-year results from the pilot study of Firebird in China registry

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Chinese Medical Journal 2006年第7期119卷 609-611页

作者： LIU Hai-bo XU Bo GAO Run-lin YANG Yue-jin YAO Min QIN Xue-wen WU Yong-jian YUAN jin-qing ma wei-hua QIAO Shu-bin CHEN Ji-lin Cardiovascular Institute and Fuwai Hospital Chinese Academy ofMedical Sciences Peking Union Medical College Beijing 100037China

Recent clinical trials with rapamycin-eluting stents ,have shown very low restenosis ***, the higher penetration of drug eluting stent （DES） in China is being limited by the high costs of these imported devices, especially when considering multiple stenting. Firebird （Microport Co. Ltd., China） is a rapamycin （Huadong Pharmaceutical, China） polymer-based eluting stent with reasonable cost. The objective of this study was to evaluate the safety and efficacy of using Firebird stents in routine interventional practice.

关键词： stents clinical trial percutanous coronary intervention

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A comparison of angiographic and clinical outcomes after sirolimus-eluting versus paclitaxel-eluting stents for the treatment of in-stent restenosis

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Chinese Medical Journal 2006年第13期119卷 1059-1064页

作者： LI Jian-jun XU Bo YANG Yue-jin ma wei-hua CHEN Ji-lin QIAO Shu-bing QIN Xue-wen YAO Min LIU Hai-bo WU Yong-jian YUAN jin-qing CHEN Jue YOU Shi-jie DAI Jun XIA Ran GAO Run-lin Department of Cardiology Fuwai Hospital Chinese Academy of Medical Sciences Peking Union Medical College Beijing 100037 China

Background In-stent restenosis （ISR） remains a challenge for interventional cardiologists. Some data suggest that drug-eluting stents （DES） represent a promising new option for the treatment of patients with ISR. Currently, 2 DES platforms are available [sirolimus-eluting stents （SES） and paclitaxel-eluting stents （PES） ], but the superiority of either approach for treating ISR has not been convincingly demonstrated. The aim of the present study was to retrospectively compare angiographic and clinical outcomes after treatment of ISR with SES or PES in a series of consecutive patients with ISR.

关键词： coronary artery disease drug-eluting stent restenosis angiography

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A single center investigation of bare-metal or drug-eluting stent restenosis from 1633 consecutive Chinese Han ethnic patients

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Chinese Medical Journal 2006年第7期119卷 533-538页

作者： XU Bo LI Jian-jun YANG Yue-jin ma wei-hua CHEN Ji-lin QIAO Shu-bin QIN Xue-wen YAO Min LIU Hai-bo WU Yong-jian YUAN jin-qing CHEN Jue YOU Shi-jie DAI Jun XIA Ran GAO Run-lin Department of Cardiology Fuwai Hospital Chinese Academy ofMedical Sciences Peking Union Medical College Beijing 100037China

Background Stents are widely used in China but the clinical impression is somehow that restenosis is less common because of the lower prevalence of coronary artery disease （CAD） and associated risk factors in Chinese populations. However, no large-sample published studies are available on angiographic stent restenosis including those of bare-metal stent （BMS） or drug-eluting stent （DES） in Chinese Han ethnic population. Mothods A total of 1633 consecutive patients with CAD who had undergone coronary stenting, quantitative coronary angiography （QCA） were retrospectively studied. At the time of stent implantation and at 7 months post-stenting 675 patients had a follow-up angiography. Statistical analysis was made with the chi-square test for categorical variables, unpaired t test for continuous variables, univariate or multivariate regression for baseline and angiographic characteristics and the Kaplan-Meier method for rate of target lesion revascularization （TLR）. Results Stent restenosis was defined as ≥50% diameter stenosis in the dilated segment. A total of 675 patients with 1074 lesions were subjected to angiographic follow-up for 7 months on average, Of these lesions, 448 were implanted with BMS whereas 626 lesions with DES. At 7 months, bare-metal in-stent restenosis occured in 148 lesions （33.0%）, and bare metal in-segment restenosis in 155 lesions （34.6%） in contrast to drug-eluting in-stent restenosis in 48 lesions （7.7%） and drug-eluting in-segment restenosis in 73 lesions （11.7%）（P〈0.001 compared with BMS respectively）. Late loss in both in-stent and in segment was higher in BMS than in DES groups [（1.00±0.69） vs （0.28±0.52）; （0.78±0.71） vs （0.21±0.52）, P〈0.001 respectively]. Angulated lesion, lesion length, pre-procedural minimal luminal diameter （MLD）, and BMS were independent predictors for TLR, （P〈0.01 respectively）, whereas current smoker, ostial lesion, and stent overlapping, post-procedure in-stent MLD, lesion length, and stent types were indep

关键词： stent coronary artery disease angiography restenosis

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Interaction of major facilitator superfamily domain containing 2A with the blood-brain barrier

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Neural Regeneration Research 2025年第8期20卷 2133-2152页

作者： Yilun ma Taiwei Dong Fei Luan Juanjuan Yang Feng Miao Peifeng wei College of Pharmacy and First Clinical Medical College Shaanxi University of Chinese MedicineXianyangShaanxi ProvinceChina National Drug Clinical Trial Agency The Second Affiliated Hospital of Shaanxi University of Chinese Medicine/Xixian New District Central HospitalXi′anShaanxi ProvinceChina

The functional and structural integrity of the blood-brain barrier is crucial in maintaining homeostasis in the brain microenvironment;however,the molecular mechanisms underlying the formation and function of the blood-brain barrier remain poorly *** major facilitator superfamily domain containing 2A has been identified as a key regulator of blood-brain barrier *** plays a critical role in promoting and maintaining the formation and functional stability of the blood-brain barrier,in addition to the transport of lipids,such as docosahexaenoic acid,across the blood-brain ***,an increasing number of studies have suggested that major facilitator superfamily domain containing 2A is involved in the molecular mechanisms of blood-brain barrier dysfunction in a variety of neurological diseases;however,little is known regarding the mechanisms by which major facilitator superfamily domain containing 2A affects the blood-brain *** paper provides a comprehensive and systematic review of the close relationship between major facilitator superfamily domain containing 2A proteins and the blood-brain barrier,including their basic structures and functions,cross-linking between major facilitator superfamily domain containing 2A and the blood-brain barrier,and the in-depth studies on lipid transport and the regulation of blood-brain barrier *** comprehensive systematic review contributes to an in-depth understanding of the important role of major facilitator superfamily domain containing 2A proteins in maintaining the structure and function of the blood-brain barrier and the research progress to *** will not only help to elucidate the pathogenesis of neurological diseases,improve the accuracy of laboratory diagnosis,and optimize clinical treatment strategies,but it may also play an important role in prognostic *** addition,the effects of major facilitator superfamily domain containing 2A on blood-brain barrier lea

关键词： blood-brain barrier(BBB) caveolin-1 central nervous system docosahexaenoic acid endothelial cells lysophosphatidylcholine major facilitator superfamily domain containing 2A(MFSD2A) transcytosis

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A comparison of clinical and angiographic outcomes after Excel bioabsorbable polymer versus Firebird durable polymer rapamycin-eluting stent for the treatment of coronary artery disease in a “real world” setting:six-month follow-up results

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Chinese Medical Journal 2007年第7期120卷 574-577页

作者： LIU Hai-bo XU Bo QIAO Shu-bin YANG Yue-jin ma wei-hua QIN Xue-wen YAO Min WU Yong-jian YUAN jin-qing CHEN Jue YOU Shi-jie DAI Jun XIA Ran LI Jian-jun CHEN Ji-lin GAO Run-lin Department of Cardiology Fuwai Hospital Chinese Academy of Medical Sciences ＆ Peking Union Medical College Beijing 100037 China

Background Several clinical trials have shown that rapamycin-eluting stents significantly reduce the risk of restenosis after percutaneous coronary intervention （PCI）. The Firebird stent and the Excel stent （coated with bioabsorbable polymer） are two different types of rapamycin-eluUng stents made in China, both have been recently approved for clinical use in China by State Food and Drug Administration. However, it is unclear whether there are differences in safety and efficacy between the two types of stents in daily practice. Methods In the month of June 2006, a total of 190 consecutive patients were treated exclusively with Firebird stents （n=93, Firebird group） or Excel stents （n=97, Excel group） in our center and were included in this study. The frequency of major adverse cardiac events （maCE, a composite of death, myocardial infarction or target lesion revascularization）, binary restenosis, and late lumen loss and stent thrombosis dudng a six-month follow-up period were compared between the two groups. Results Patient and lesion characteristics were comparable between the groups. major adverse cardiac event rates were low in hospital and at 6 months （2.1% in the Excel group and 0% in the Firebird group, P〉 0.05）. The 6-month angiographic in-stent restenosis rate was 0% in both groups, with an associated late loss of （0.15 ± 0.21） mm versus （0.14 ± 0.20） mm （P=0.858） and the in-segment restenosis rate was also 0% for the Excel group and the Firebird group. There was no definite stent thrombosis identified in either group during the six-month follow-up period and only one patient in the Excel group had probable stent thrombosis in hospital. Conclusions Results from this mid-term, single-center study showed that both of the Firebird and the Excel rapamycin eluUng stent had similar effects on reducing the incidence of maCE and the risk of restenosis （both in-stent and in-segment binary restenosis） after PCI in daily practice.

关键词： percutaneous coronary intervention drug-eluting stent bioabsorbable polymer comparative study

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高血压患者血压昼夜节律、B型脑钠肽与左心室肥厚的关系

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中国医学科学院学报 2016年第5期38卷 514-521页

作者：寇惠娟汪鑫高登峰董新魏瑾马瑞西安交通大学第二附属医院心内科西安710004 第四军医大学唐都医院神经外科西安710038

目的探讨原发性高血压患者血压昼夜节律、B型脑钠肽(BNP)与左心室肥厚(LVH)的关系。方法纳入349例原发性高血压患者(74例有LVH,275例无LVH)进行超声心动图检测及24 h动态血压监测,计算左心室重量指数(LVMI)、夜间血压下降率、24 h动脉脉... 详细信息

目的探讨原发性高血压患者血压昼夜节律、B型脑钠肽(BNP)与左心室肥厚(LVH)的关系。方法纳入349例原发性高血压患者(74例有LVH,275例无LVH)进行超声心动图检测及24 h动态血压监测,计算左心室重量指数(LVMI)、夜间血压下降率、24 h动脉脉压(24 h PP)及动态脉压指数(PPI)。根据昼夜血压变异性将研究对象分为超杓型组(n=7)、杓型组(n=77)、非杓型组(n=173)及反杓型组(n=92)。采集患者一般资料及空腹血样,测定血糖、血脂、血尿素氮、血肌酐、胱抑素C、血尿酸及BNP水平。结果 LVH高血压的3级高血压所占比例(85.1%比46.9%;χ~2=34.428,P<0.001)、24 h平均收缩压(134 mm Hg比129 mm Hg;t=3.175,P=0.002)(1 mm Hg=0.133 k Pa)、白天平均收缩压(134 mm Hg比130 mm Hg;t=2.197,P=0.029)、夜间平均收缩压(132 mm Hg比121 mm Hg;t=4.763,P<0.001)、24 h PP(57 mm Hg比52 mm Hg;t=4.120,P<0.001)及PPI(0.43比0.41;t=3.335,P=0.001)均显著高于非LVH高血压患者,而夜间血压下降率[(1.30±8.02)%比(5.68±7.25)%;t=-4.510,P<0.001]显著低于对照组。LVH高血压患者BNP(87.8 pg/ml比28.8 pg/ml;t=2.170,P=0.034)和LVMI(135.1 g/m^2比88.7 g/m^2;t=15.285,P<0.001)均显著高于非LVH患者。超杓型组、杓型组、非杓型组及反杓型组高血压患者的BNP水平差异无统计学意义(P=0.137),而LVMI差异有统计学意义(P=0.001),其中反杓型组患者的LVMI显著高于杓型组(100.3 g/m^2比86.3 g/m^2;t=4.335,P<0.001)和非杓型组(100.3 g/m^2比93.7 g/m^2;t=1.987,P=0.048),非杓型组患者的LVMI显著高于杓型组(93.7 g/m^2比86.3 g/m^2;t=2.693,P=0.008)。多因素线性相关及Logistic回归分析显示,BNP和高血压分级水平与LVMI相关。结论高血压LVH与血压昼夜节律减弱或消失、血压分级水平密切相关,并伴随血浆BNP升高。

关键词：高血压血压昼夜节律夜间血压下降率 B型脑钠肽左心室肥厚左心室重量指数

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Decreased levels of phosphorylated synuclein in plasma are correlated with poststroke cognitive impairment

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Neural Regeneration Research 2025年第9期20卷 2598-2610页

作者： Yi Wang Yuning Li Yakun Gu wei ma Yuying Guan Mengyuan Guo Qianqian Shao Xunming Ji Jia Liu Department of Clinical Laboratory Beijing Bo’ai HospitalChina Rehabilitation Research CenterCapital Medical UniversityBeijingChina Beijing Institute of Brain Disorders Laboratory of Brain DisordersMinistry of Science and TechnologyCollaborative Innovation Center for Brain DisordersBeijing Advanced Innovation Center for Big Data-based Precision MedicineCapital Medical UniversityBeijingChina Department of Neurosurgery Xuanwu HospitalCapital Medical UniversityBeijingChina

Poststro ke cognitive impairment is a major secondary effect of ischemic stroke in many patients;however,few options are available for the early diagnosis and treatment of this *** aims of this study were to(1)determine the specific relationship between hypoxic andα-synuclein during the occur of poststroke cognitive impairment and(2)assess whether the serum phosphorylatedα-synuclein level can be used as a biomarker for poststro ke cognitive *** found that the phosphorylatedα-synuclein level was significantly increased and showed pathological aggregation around the cerebral infa rct area in a mouse model of ischemic *** addition,neuronalα-synuclein phosphorylation and aggregation were observed in the brain tissue of mice subjected to chronic hypoxia,suggesting that hypoxia is the underlying cause ofα-synuclein-mediated pathology in the brains of mice with ischemic *** phosphorylatedα-synuclein levels in patients with ischemic stroke were significantly lower than those in healt hy subjects,and were positively correlated with cognition levels in patients with ischemic ***,a decrease in serum high-density lipoprotein levels in stroke patie nts was significantly correlated with a decrease in phosphorylatedα-synuclein *** ischemic stroke mice did not show significant cognitive impairment or disrupted lipid metabolism 14 days after injury,some of them exhibited decreased cognitive function and reduced phosphorylatedα-synuclein *** together,our results suggest that serum phosphorylatedα-synuclein is a potential biomarker for poststroke cognitive impairment.

关键词： biomarker high-density lipoprotein ischemic stroke phosphorylatedα-synuclein poststroke cognitive impairment

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局灶型Castleman病的临床病理学特征

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河西学院学报 2016年第5期32卷 72-76页

作者：王锦马玮玮刘海鹰河西学院医学院甘肃张掖734000

目的:观察局灶型Castleman病临床病理学的特点,以提高对本病的认识.方法:对31例局灶型Castleman病的临床病理学资料进行回顾性分析,并进行免疫组化标记和相关文献复习.结果:31例患者中透明血管型22例,浆细胞型5例,混合型4例.结论:Castle... 详细信息

目的:观察局灶型Castleman病临床病理学的特点,以提高对本病的认识.方法:对31例局灶型Castleman病的临床病理学资料进行回顾性分析,并进行免疫组化标记和相关文献复习.结果:31例患者中透明血管型22例,浆细胞型5例,混合型4例.结论:Castleman病是一种少见的良性非肿瘤性淋巴组织增生性疾病,在临床病理特征上与多种疾病相似,故病理诊断和鉴别诊断尤为重要.

关键词： Castleman病临床病理学特征鉴别诊断

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