HPLC-MS法鉴定广西产拳卷地钱中5种黄酮类成分

目的采用HPLC-MS鉴定广西产拳卷地钱75%乙醇提取物中黄酮类成分。方法采用色谱柱:ACQUITY UPLC HSS T3 C18(2.1 mm×100 mm,1.8μm),流动相为0.1%甲酸水(A)-乙腈(B),梯度洗脱,质谱使用电喷雾电离源(ESI)正负离子模式。结果分析得出拳卷地钱含有黄酮类成分5个,分别是Apigenin7,4’-diglucuronide、Apigenin7-glucuronide、芹菜素、木犀草素、金圣草黄素。结论该方法稳定、准确性好,可用于广西产拳卷地钱成分鉴定及质量控制。     

Are clinical trial eligibility criteria representative of older patients with lung cancer? A population-based data linkage study

ObjectivesOlder adults constitute the majority of patients with lung cancer. However, they are under-represented in clinical trials as eligibility criteria often restrict enrolment based on comorbidities that are common with aging. We aimed to describe comorbidities relating to trial exclusion criteria in older adults with lung cancer, determine the proportion that would typically be excluded from trials, and examine the impact on treatment uptake.Materials and MethodsWe conducted a population-based study of people aged ≥65 years diagnosed with metastatic lung cancer using linked data for clients of the Australian Government Department of Veterans' Affairs (2005–2015). We defined trial-typical patients based on the absence of comorbidities related to the following: inadequate organ (cardiac, renal, hepatic, marrow) function; cognitive dysfunction; poor performance status (PS); prior malignancy within 5 years. We report systemic therapy uptake within 3 months of diagnosis.ResultsOur study included 677 patients (median age 84). Over half (53.4%) were not trial-typical, with the most common reasons being poor PS (37.5%), cardiac disease (19.2%), and prior cancer (12.9%). Eighty-two (12.1%) received systemic therapy. Patients with poor PS, cardiac disease, and dementia had lower treatment uptake rates. However, there was no significant difference in treatment uptake between trial-typical and non-trial-typical patients (13.4 vs 11.0%).ConclusionMore than half of older adults with advanced lung cancer would be typically excluded from trial participation. Future clinical trials of older adults need to consider broader eligibility criteria to better reflect this population to gain the best evidence for their care.     

Space within the Scientific Discourse for the Voice of the Other? Expressions of Community Voice in the Scientific Discourse of Community-Based Participatory Research

ABSTRACT

Community-based participatory research (CBPR) has captured public health attention and support because it is positioned as an approach that involves researchers and communities as equitable partners in addressing health disparities. However, it is unknown the extent to which CBPR creates a participatory space in the scientific discourse to signal “community voice,” which we define as textual expression of community-centered perspectives on collective roles, interests, and worldviews. In this study, we utilized the culture-centered approach to examine the expression of community voice in the abstracts and public health relevance statements of 253 extramural CBPR projects in the U.S. that received funding from the National Institute of Health and Centers for Disease Control and Prevention in 2009. We found that project abstracts and public health relevance statements contain four textual domains, or potential sites of contest to signal the articulation of community agency and voice within the CBPR projects. These domains include: 1) the rationale for the community health issue, 2) the roles of community partners, 3) community-centered outcomes of the partnership, and 4) elements of participatory research process. The degree of culture-centeredness of the texts is suggested in the extent to which articulations of community agency and voice are signaled across the four domains. We conclude that the dynamics of CBPR may shape culture-centered expressions of problem identification, solution configuration, structural transformations, reflexivity, values, and agency in the project abstracts and public health relevance statements.     

Maternal personality traits,antenatal depressive symptoms and the postpartum mother–infant relationship: a prospective observational study

Social Psychiatry and Psychiatric Epidemiology - Maternal depression has been associated with bonding difficulties and lower maternal sensitivity in observed mother–infant interactions....