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  1. Article ; Online: Role of Thromboinflammation Interaction in the Serious-Critical COVID-19 Pneumonia: A Single-center Retrospective Study

    Li, Jiatao / Liu, Shimeng

    medRxiv

    Abstract: Aim To describe the potential role of thromboinflammation in thromboembolism and the progress of coronavirus disease 2019 (COVID-19). Methods The retrospective study included sequentially hospitalized patients with the diagnosis of COVID-19 pneumonia ... ...

    Abstract Aim To describe the potential role of thromboinflammation in thromboembolism and the progress of coronavirus disease 2019 (COVID-19). Methods The retrospective study included sequentially hospitalized patients with the diagnosis of COVID-19 pneumonia during the first pandemic (December 1, 2022, to January 31, 2023) at a medical center in Beijing, China. Risks of critical medical support requirements, thrombosis events, and death were valued in the multivariate logistic regression models, where age (? 80 vs. < 80 years old), nadir platelets level (?100 vs. > 100 10^9/L), C-reactive protein (CRP) level at admission (? 80 vs. < 80 mg/L), D-dimer level at admission (? 1.0 vs. < 1.0 mg/L) were dichotomized. Results A total of 88 patients were included (median age 77 years, 72% male). During hospitalization, 35 (40%) patients required critical medical support, 22 (29%) had disseminated intravascular coagulation (DIC), 11 (13%) had radiologically supported thrombosis events, and 26 (30%) died. Increased age (odds ratio [OR]: 5.22,95% confidence interval [CI]: 1.27-21.53; p=0.02), elevated CRP levels (OR: 9.26, 95% CI: 2.24-38.37; p<0.01), decreased nadir platelet level (OR: 13.47, 95% CI: 1.91-94.84; p<0.01), elevated D-dimer level (OR: 5.21, 95 CI%: 0.96-28.21; p=0.06) were associated with the requirements of critical care. Increased age (OR: 10.87, 95% CI: 3.05-38.80; p<0.01), elevated CRP levels (OR: 6.14, 95% CI:1.68-22.47; p<0.01), decreased nadir platelet levels (OR: 5.96, 95% CI: 1.34-26.47; p=0.02) and D-dimers (?1.0 vs. <1.0 mg/L, OR: 2.26, 95% CI: 0.68-7.44; p=0.18) were associated with death. Increased age (OR: 2.40,95% CI: 0.60-9.67; p=0.22), decreased nadir platelet levels (OR: 1.31, 95% CI: 0.22-7.96; p=0.77), inflmmation status, including D-dimers (?1.0 vs. <1.0 mg/L, OR:4.62, 95% CI: 0.89-24.04; p=0.07) and CRP (?80 vs. <80 mg/mL, OR:5.44, 95% CI: 1.05-28.27; p=0.04) were significantly associated with the risks of thromboembolism. Conclusions The retrospective study indicated thromboinflammation promoted thromboembolism and was associated with the outcomes of COVID-19 pneumonia.
    Keywords covid19
    Language English
    Publishing date 2024-04-20
    Publisher Cold Spring Harbor Laboratory Press
    Document type Article ; Online
    DOI 10.1101/2024.04.19.24306109
    Database COVID19

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  2. Article ; Online: Embodied mathematical pedagogy to liberate racialized and multilingual bodies.

    Liu, Shimeng / Takeuchi, Miwa Aoki

    Educational studies in mathematics

    2022  Volume 112, Issue 2, Page(s) 267–287

    Abstract: When language is defined narrowly in mathematics classrooms, racially and linguistically minoritized students in classrooms could be systematically positioned as "learners of deficiency." Recent scholarship calls for expanding the notion of language to ... ...

    Abstract When language is defined narrowly in mathematics classrooms, racially and linguistically minoritized students in classrooms could be systematically positioned as "learners of deficiency." Recent scholarship calls for expanding the notion of language to emphasize embodied expression of mathematical ideas. Taking a critical perspective to understand racialized experiences of using languages in disciplinary learning spaces, this article proposes the reconceptualization of embodiment as a language for racialized multilingual learners. This study was conducted in a Grade 1 classroom in a linguistically and racially diverse school in Canada. Through a series of professional development sessions, we worked with an experienced teacher to redesign the normalized and institutionalized pedagogy toward greater mobility of racialized multilingual learners' bodies, which was intertwined with their intellectual liberation. Focusing on the spatiality of pedagogy, the previously restrictive areas in the school were transformed into a place that augments embodied expression of mathematical ideas and agentive participation of minoritized learners. The analysis focused on the embodied discourse that participating racialized multilingual students used to actively engage in mathematical discussion. Our findings show that the designed pedagogy, characterized by the spatial and temporal expansion of the learning environment, offered more spaces for uncertainty and spontaneity with the decreased control of the teacher as an explicator. Our article furthers anti-colonial approaches to understand the intersection of racialized bodies and language in mathematics education.
    Language English
    Publishing date 2022-10-13
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 2012239-1
    ISSN 1573-0816 ; 0013-1954
    ISSN (online) 1573-0816
    ISSN 0013-1954
    DOI 10.1007/s10649-022-10185-x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Mapping of health technology assessment in China: a comparative study between 2016 and 2021.

    Liu, Shimeng / Xia, Yu / Yang, Yi / Ming, Jian / Sun, Hui / Wei, Yan / Chen, Yingyao

    Global health research and policy

    2024  Volume 9, Issue 1, Page(s) 4

    Abstract: Background: Health Technology Assessment (HTA) in China has recently expanded from purely academic research to include policy or decision-oriented practice, especially after HTA evidence was used to update the National Reimbursement Drug List for the ... ...

    Abstract Background: Health Technology Assessment (HTA) in China has recently expanded from purely academic research to include policy or decision-oriented practice, especially after HTA evidence was used to update the National Reimbursement Drug List for the first time in 2017. This study aims to identify the progress and challenges of HTA development from 2016 to 2021 and inform policies and decisions to promote further HTA development in China.
    Methods: We conducted a cross-sectional web-based survey with policy makers, researchers and industry-providers in China in 2016 and 2021 respectively. The 'Mapping of HTA Instrument', was utilized to assess the HTA development across eight domains: Institutionalization, Identification, Priority setting, Assessment, Appraisal, Reporting, Dissemination of findings and conclusions, and Implementation in policy and practice. To reduce the influence of confounders and compare the mapping outcomes between the 2016 and 2021 groups, we conducted 1:1 Propensity Score Matching (PSM). Univariate analysis was conducted to compare the differences between the two groups. The overall results were further compared with those of a mapping study that included ten countries.
    Results: In total, 212 and 255 respondents completed the survey in 2016 and 2021, respectively. The total score of the HTA development level in China in 2021 was higher than that in 2016 before PSM (89.38 versus 83.96). Following PSM, 183 respondents from the 2016 and 2021 groups were matched. Overall, the mean scores for most indicators in the Institutionalization domain and Dissemination domain in 2021 were higher than those in 2016 (P < 0.05). The Appraisal domain in 2021 was more explicit, transparent and replicable than that in 2016 (t = -3.279, P < 0.05). However, the mean scores of most indicators in the Assessment domain were higher in 2016 than those in 2021 (P < 0.05).
    Conclusions: Our study suggest that the level of HTA development in China progressed significantly from 2016 to 2021. However, before engaging in HTA activities, further efforts are required to enhance the assessment process. For instance, it is important to establish a clear goal and scope for HTA; adapt standardized methodologies for evaluating the performance of systematic reviews or meta-analyses; and provide comprehensive descriptions of the safety, clinical effectiveness, cost, and cost-effectiveness of the assessed technologies, thus improving the development of HTA in China.
    MeSH term(s) Technology Assessment, Biomedical/methods ; Cross-Sectional Studies ; Systematic Reviews as Topic ; Health Policy ; China
    Language English
    Publishing date 2024-01-16
    Publishing country England
    Document type Journal Article
    ISSN 2397-0642
    ISSN (online) 2397-0642
    DOI 10.1186/s41256-023-00339-6
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Cardiomyopathy in Patients With Acute Ischemic Stroke and Methamphetamine Use: Relevance for Cardioembolic Stroke and Outcome.

    Lee, Sook Joung / Liu, Shimeng / Blackwill, Haley / Stradling, Dana / Shafie, Mohammad / Yu, Wengui

    Journal of the American Heart Association

    2024  Volume 13, Issue 7, Page(s) e033667

    Abstract: Background: Methamphetamine use has emerged as a major risk factor for cardiovascular and cerebrovascular disease in young adults. The aim of this study was to investigate a possible association of methamphetamine use with cardioembolic stroke.: ... ...

    Abstract Background: Methamphetamine use has emerged as a major risk factor for cardiovascular and cerebrovascular disease in young adults. The aim of this study was to investigate a possible association of methamphetamine use with cardioembolic stroke.
    Methods and results: We performed a retrospective study of patients with acute ischemic stroke admitted at our medical center between 2019 and 2022. All patients were screened for methamphetamine use and cardiomyopathy, defined as left ventricular ejection fraction ≤45%. Among 938 consecutive patients, 46 (4.9%) were identified as using methamphetamine. Compared with the nonmethamphetamine group (n=892), the methamphetamine group was significantly younger (52.8±9.6 versus 69.7±15.2 years;
    Conclusions: We demonstrate that methamphetamine use is significantly associated with cardiomyopathy and cardioembolic stroke in young adults.
    MeSH term(s) Male ; Young Adult ; Humans ; Methamphetamine/adverse effects ; Ischemic Stroke/diagnosis ; Ischemic Stroke/epidemiology ; Ischemic Stroke/etiology ; Stroke Volume ; Embolic Stroke ; Stroke/etiology ; Stroke/chemically induced ; Retrospective Studies ; Ventricular Function, Left ; Cardiomyopathies/complications ; Atrial Fibrillation/diagnosis ; Atrial Fibrillation/epidemiology ; Atrial Fibrillation/chemically induced ; Risk Factors
    Chemical Substances Methamphetamine (44RAL3456C)
    Language English
    Publishing date 2024-03-27
    Publishing country England
    Document type Journal Article
    ZDB-ID 2653953-6
    ISSN 2047-9980 ; 2047-9980
    ISSN (online) 2047-9980
    ISSN 2047-9980
    DOI 10.1161/JAHA.123.033667
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Authors' Reply: "The Need for a Bleed Type-Specific Annual Bleeding Rate in Hemophilia Studies".

    Wang, Limin / Liu, Shimeng / Jiang, Shan / Li, Chaofan / Lu, Liyong / Fang, Yunhai / Li, Shunping

    JMIR public health and surveillance

    2024  Volume 10, Page(s) e54756

    MeSH term(s) Humans ; Hemophilia A/complications ; Hemorrhage
    Language English
    Publishing date 2024-03-13
    Publishing country Canada
    Document type Journal Article
    ISSN 2369-2960
    ISSN (online) 2369-2960
    DOI 10.2196/54756
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Contemporary antiplatelet therapy for secondary stroke prevention: a narrative review of current literature and guidelines.

    Shah, Jay / Liu, Shimeng / Yu, Wengui

    Stroke and vascular neurology

    2022  Volume 7, Issue 5, Page(s) 406–414

    Abstract: Antiplatelet therapy is one of the mainstays for secondary stroke prevention. This narrative review aimed to highlight the current evidence and recommendations of antiplatelet therapy for stroke prevention.We conducted advanced literature search for ... ...

    Abstract Antiplatelet therapy is one of the mainstays for secondary stroke prevention. This narrative review aimed to highlight the current evidence and recommendations of antiplatelet therapy for stroke prevention.We conducted advanced literature search for antiplatelet therapy. Landmark studies and randomised controlled trials evaluating antiplatelet therapy for secondary stroke prevention are reviewed. Results from Cochrane systematic review, pooled data analysis and meta-analysis are discussed.Single-antiplatelet therapy (SAPT) with aspirin, aspirin/extended-release dipyridamole or clopidogrel reduces the risk of recurrent ischaemic stroke in patients with non-cardioembolic ischaemic stroke or transient ischaemic attack (TIA). Dual-antiplatelet therapy (DAPT) with aspirin and clopidogrel or ticagrelor for 21-30 days is more effective than SAPT in patients with minor acute noncardioembolic ischaemic stroke or high-risk TIA. Prolonged use of DAPT is associated with higher risk of haemorrhage without reduction in stroke recurrence than SAPT. Compared with placebo, aspirin reduces the relative risk of recurrent stroke by approximately 22%. Aspirin/dipyridamole and cilostazol are superior to aspirin but associated with significant side effects. Cilostazol or ticagrelor might be more effective than aspirin or clopidogrel in patients with intracranial stenosis.SAPT is indicated for secondary stroke prevention in patients with non-cardioembolic ischaemic stroke or TIA. DAPT with aspirin and clopidogrel or ticagrelor for 21-30 days followed by SAPT is recommended for patients with minor acute noncardioembolic stroke or high-risk TIA. Selection of appropriate antiplatelet therapy should also be based on compliance, drug tolerance or resistance.
    MeSH term(s) Humans ; Aspirin ; Brain Ischemia/drug therapy ; Cilostazol/therapeutic use ; Clopidogrel/therapeutic use ; Dipyridamole/adverse effects ; Ischemic Attack, Transient/diagnosis ; Ischemic Attack, Transient/drug therapy ; Ischemic Attack, Transient/prevention & control ; Ischemic Stroke ; Platelet Aggregation Inhibitors/adverse effects ; Stroke/diagnosis ; Stroke/drug therapy ; Stroke/prevention & control ; Ticagrelor/therapeutic use
    Chemical Substances Aspirin (R16CO5Y76E) ; Cilostazol (N7Z035406B) ; Clopidogrel (A74586SNO7) ; Dipyridamole (64ALC7F90C) ; Platelet Aggregation Inhibitors ; Ticagrelor (GLH0314RVC)
    Language English
    Publishing date 2022-04-07
    Publishing country England
    Document type Journal Article ; Meta-Analysis ; Systematic Review ; Research Support, Non-U.S. Gov't
    ISSN 2059-8696
    ISSN (online) 2059-8696
    DOI 10.1136/svn-2021-001166
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Quantifying Benefit-Risk Trade-Offs Toward Prophylactic Treatment Among Adult Patients With Hemophilia A in China: Discrete Choice Experiment Study.

    Wang, Limin / Liu, Shimeng / Jiang, Shan / Li, Chaofan / Lu, Liyong / Fang, Yunhai / Li, Shunping

    JMIR public health and surveillance

    2023  Volume 9, Page(s) e45747

    Abstract: Background: Hemophilia A is a chronic condition that requires meticulous treatment and management. Patient preferences for prophylactic treatment can substantially influence adherence, outcomes, and quality of life, yet these preferences remain ... ...

    Abstract Background: Hemophilia A is a chronic condition that requires meticulous treatment and management. Patient preferences for prophylactic treatment can substantially influence adherence, outcomes, and quality of life, yet these preferences remain underexplored, particularly in China.
    Objective: This study aimed to investigate the preferences for prophylactic treatment among Chinese adult patients with hemophilia A without inhibitors, considering clinical effectiveness, side effects, dosing mode, and dosing frequency.
    Methods: A discrete choice experiment was used to elicit patient preferences for prophylactic treatment of hemophilia. The study was conducted across 7 provinces in China with socioeconomic and geographical diversity. Subgroup analysis was performed according to education level, geographic location, and treatment type, alongside the exploration of benefit-risk trade-offs.
    Results: A total of 113 patients completed the discrete choice experiment questionnaire, and we included 102 responses for analysis based on predetermined exclusion criteria. The study found that patients prioritized reducing annual bleeding times and avoiding the risk of developing inhibitors over treatment process attributes. Subgroup analysis revealed that lower-educated patients and those from rural areas attached more importance to the dosing mode, likely due to barriers to self-administration. Patients demonstrated a clear understanding of benefit-risk trade-offs, exhibiting a willingness to accept an increased risk of developing inhibitors for improved clinical outcomes.
    Conclusions: This study provides valuable insights into the preferences of patients with hemophilia A for prophylactic treatment in China. Understanding these preferences can enhance shared decision-making between patients and clinicians, fostering personalized prophylactic treatment plans that may optimize adherence and improve clinical outcomes.
    MeSH term(s) Humans ; Adult ; Hemophilia A/complications ; Hemophilia A/drug therapy ; Hemophilia A/epidemiology ; Choice Behavior ; Quality of Life ; Risk Assessment ; China/epidemiology
    Language English
    Publishing date 2023-07-26
    Publishing country Canada
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 2369-2960
    ISSN (online) 2369-2960
    DOI 10.2196/45747
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Optimizing Trilobatin Production via Screening and Modification of Glycosyltransferases.

    Yang, Yue / Cheng, Yuhan / Bai, Tao / Liu, Shimeng / Du, Qiuhui / Xia, Wenhao / Liu, Yi / Wang, Xiao / Chen, Xianqing

    Molecules (Basel, Switzerland)

    2024  Volume 29, Issue 3

    Abstract: Trilobatin (TBL) is a key sweet compound from the traditional Chinese sweet tea plant ( ...

    Abstract Trilobatin (TBL) is a key sweet compound from the traditional Chinese sweet tea plant (
    MeSH term(s) Glycosyltransferases/genetics ; Polyphenols ; Antioxidants ; Sweetening Agents ; Flavonoids
    Chemical Substances Glycosyltransferases (EC 2.4.-) ; trilobatin (23298I791N) ; Polyphenols ; Antioxidants ; Sweetening Agents ; Flavonoids
    Language English
    Publishing date 2024-01-30
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 1413402-0
    ISSN 1420-3049 ; 1431-5165 ; 1420-3049
    ISSN (online) 1420-3049
    ISSN 1431-5165 ; 1420-3049
    DOI 10.3390/molecules29030643
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Tackling brain drain at Chinese CDCs: understanding job preferences of public health doctoral students using a discrete choice experiment survey.

    Liu, Shimeng / Gu, Yuanyuan / Yang, Yi / Schroeder, Elizabeth / Chen, Yingyao

    Human resources for health

    2022  Volume 20, Issue 1, Page(s) 46

    Abstract: Background: Given the demands for public health and infectious disease management skills during COVID-19, a shortage of the public health workforce, particularly with skills and competencies in epidemiology and biostatistics, has emerged at the Centers ... ...

    Abstract Background: Given the demands for public health and infectious disease management skills during COVID-19, a shortage of the public health workforce, particularly with skills and competencies in epidemiology and biostatistics, has emerged at the Centers for Disease Controls (CDCs) in China. This study aims to investigate the employment preferences of doctoral students majoring in epidemiology and biostatistics, to inform policy-makers and future employers to address recruitment and retention requirements at CDCs across China.
    Methods: A convenience sampling approach for recruitment, and an online discrete choice experiment (DCE) survey instrument to elicit future employee profiles, and self-report of their employment and aspirational preferences during October 20 and November 12, 2020. Attributes included monthly income, employment location, housing benefits, children's education opportunities, working environment, career promotion speed and bianzhi (formally established post).
    Results: A total of 106 doctoral epidemiology and biostatistics students from 28 universities completed the online survey. Monthly income, employment location and bianzhi was of highest concern in the seven attributes measured, though all attributes were statistically significant and presented in the expected direction, demonstrating preference heterogeneity. Work environment was of least concern. For the subgroup analysis, employment located in a first-tier city was more likely to lead to a higher utility value for PhD students who were women, married, from an urban area and had a high annual family income. Unsurprisingly, when compared to single students, married students were willing to forgo more for good educational opportunities for their children. The simulation results suggest that, given our base case, increasing only monthly income from 10,000 ($ 1449.1) to 25,000 CNY ($ 3622.7) the probability of choosing the job in the third-tier city would increase from 18.1 to 53.8% (i.e., the location choice is changed).
    Conclusion: Monthly income and employment location were the preferred attributes across the cohort, with other attributes then clearly ranked and delineated. A wider use of DCEs could inform both recruitment and retention of a public health workforce, especially for CDCs in third-tier cities where resource constraints preclude all the strategies discussed here.
    MeSH term(s) COVID-19/epidemiology ; Career Choice ; Child ; China ; Choice Behavior ; Female ; Humans ; Male ; Public Health ; Rural Health Services ; Students ; Surveys and Questionnaires
    Language English
    Publishing date 2022-05-23
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2126923-3
    ISSN 1478-4491 ; 1478-4491
    ISSN (online) 1478-4491
    ISSN 1478-4491
    DOI 10.1186/s12960-022-00743-y
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Propranolol or Beta-Blockers for Cerebral Cavernous Malformation: a Systematic Review and Meta-analysis of Literature in Both Preclinical and Clinical Studies.

    Ikramuddin, Salman / Liu, Shimeng / Ryan, Dylan / Hassani, Sara / Hasan, David / Feng, Wuwei

    Translational stroke research

    2023  

    Abstract: Cerebral cavernous malformation (CCM), either sporadic or familial, is a devastating vascular malformation affecting the central nervous system that can present with intracerebral hemorrhage, seizure, and new focal neurologic deficits resulting in ... ...

    Abstract Cerebral cavernous malformation (CCM), either sporadic or familial, is a devastating vascular malformation affecting the central nervous system that can present with intracerebral hemorrhage, seizure, and new focal neurologic deficits resulting in substantial morbidity and mortality. To date, there is no effective evidence-based preventive regimen. There have been several preclinical and clinical studies investigating the potential mechanisms and benefits of beta-blockers, especially on propranolol. We aimed to conduct a systematic review on the published literature investigating the use of beta-blockers in the treatment of CCM, including both preclinical and clinical studies between 2008 and 2023 using public databases. A total of 2 preclinical studies and 6 clinical studies met the inclusion/exclusion criteria and were included. Data was extracted and synthesized from 5 clinical studies for meta-analysis. The meta-analysis failed to demonstrate a statistically significant protective effect of beta-blockers in preventing intracerebral hemorrhage or developing focal neurologic deficits in subjects with CCM (overall effect = 0.78 (0.20, 3.11), p = 0.73). Overall, there was a paucity of high quality clinical trials, partially due to limited cases of CCM. Addressing this gap may require collaborative efforts at a national or international level. In this review, we summarized all barriers and opportunities on this topic. Additionally, we proposed establishing an evidence-based approach on the use of beta-blockers in preventing recurrent hemorrhage and focal neurological deficits in patients with CCM.
    Language English
    Publishing date 2023-10-19
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 2541897-X
    ISSN 1868-601X ; 1868-4483
    ISSN (online) 1868-601X
    ISSN 1868-4483
    DOI 10.1007/s12975-023-01199-5
    Database MEDical Literature Analysis and Retrieval System OnLINE

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