Nuclear corepressors NCOR1/NCOR2 regulate B cell development, maintain genomic integrity and prevent transformation.

The nuclear corepressors NCOR1 and NCOR2 interact with transcription factors involved in B cell development and potentially link these factors to alterations in chromatin structure and gene expression. Herein, we demonstrate that Ncor1/2 deletion limits B cell differentiation via impaired recombination, attenuates pre-BCR signaling and enhances STAT5-dependent transcription. Furthermore, NCOR1/2-deficient B cells exhibited derepression of EZH2-repressed gene modules, including the p53 pathway. These alterations resulted in aberrant Rag1 and Rag2 expression and accessibility. Whole-genome sequencing of Ncor1/2 DKO B cells identified increased number of structural variants with cryptic recombination signal sequences. Finally, deletion of Ncor1 alleles in mice facilitated leukemic transformation, whereas human leukemias with less NCOR1 correlated with worse survival. NCOR1/2 mutations in human leukemia correlated with increased RAG expression and number of structural variants. These studies illuminate how the corepressors NCOR1/2 regulate B cell differentiation and provide insights into how NCOR1/2 mutations may promote B cell transformation.

Tracking Regulatory T Cell Development in the Thymus Using Single-Cell RNA Sequencing/TCR Sequencing.

Recent studies have demonstrated that regulatory T cells (Tregs) develop in the thymus via two pathways involving distinct Treg progenitors (TregP): CD25+FOXP3- (CD25+ TregP) and CD25-FOXP3lo (FOXP3lo TregP) Treg progenitors. To examine this process in more detail, we carried out single-cell RNA sequencing (scRNA-Seq) and TCR-Seq on sorted murine CD4+CD8+ double-positive (DP) thymocytes, CD4+ single-positive (CD4SP) thymocytes, CD25+FOXP3-CD73- TregP, CD25-FOXP3loCD73- TregP, newly generated mature CD25+FOXP3+CD73- Tregs, and FOXP3+CD73+ recirculating/long-term resident Tregs (RT-Tregs). Sorted populations were individually hashtagged and then combined into one scRNA-Seq/TCR-Seq library before sequencing and subsequent analysis. We found that both CD25+ TregP and FOXP3lo TregP arise via an initial agonist-activated state that gives rise to a second transitional stage before differentiating into mature Tregs Using both scRNA-Seq and bulk RNA-Seq on sorted thymocyte subsets, we demonstrate that CD25+ TregP are significantly enriched for Il2 production, suggesting that they are the major source of IL-2 needed to convert TregP into mature Tregs Using TCR-Seq, we found that several TCRs were clearly biased in favor of the conventional or Treg lineages, but that a large fraction of TCRs were found in both these lineages. Finally, we found that RT-Tregs in the thymus are not monomorphic but are composed of multiple distinct subsets and that these RT-Tregs express the most diverse TCR repertoire of all CD4SP thymocytes. Thus, our studies define multiple stages of Treg differentiation within the murine thymus and serve as a resource for future studies on CD4+ thymocyte development and Treg differentiation.

User-Centered Development of a Patient Decision Aid for Choice of Early Abortion Method: Multi-Cycle Mixed Methods Study.

BACKGROUND: People seeking abortion in early pregnancy have the choice between medication and procedural options for care. The choice is preference-sensitive-there is no clinically superior option and the choice depends on what matters most to the individual patient. Patient decision aids (PtDAs) are shared decision-making tools that support people in making informed, values-aligned health care choices. OBJECTIVE: We aimed to develop and evaluate the usability of a web-based PtDA for the Canadian context, where abortion care is publicly funded and available without legal restriction. METHODS: We used a systematic, user-centered design approach guided by principles of integrated knowledge translation. We first developed a prototype using available evidence for abortion seekers' decisional needs and the risks, benefits, and consequences of each option. We then refined the prototype through think-aloud interviews with participants at risk of unintended pregnancy ("patient" participants). Interviews were audio-recorded and documented through field notes. Finally, we conducted a web-based survey of patients and health care professionals involved with abortion care, which included the System Usability Scale. We used content analysis to identify usability issues described in the field notes and open-ended survey questions, and descriptive statistics to summarize participant characteristics and close-ended survey responses. RESULTS: A total of 61 individuals participated in this study. Further, 11 patients participated in think-aloud interviews. Overall, the response to the PtDA was positive; however, the content analysis identified issues related to the design, language, and information about the process and experience of obtaining abortion care. In response, we adapted the PtDA into an interactive website and revised it to include consistent and plain language, additional information (eg, pain experience narratives), and links to additional resources on how to find an abortion health care professional. In total, 25 patients and 25 health care professionals completed the survey. The mean System Usability Scale score met the threshold for good usability among both patient and health care professional participants. Most participants felt that the PtDA was user-friendly (patients: n=25, 100%; health care professionals: n=22, 88%), was not missing information (patients: n=21, 84%; health care professionals: n=18, 72%), and that it was appropriate for patients to complete the PtDA before a consultation (patients: n=23, 92%; health care professionals: n=23, 92%). Open-ended responses focused on improving usability by reducing the length of the PtDA and making the website more mobile-friendly. CONCLUSIONS: We systematically designed the PtDA to address an unmet need to support informed, values-aligned decision-making about the method of abortion. The design process responded to a need identified by potential users and addressed unique sensitivities related to reproductive health decision-making.

Pregnancy intentions of young women in Canada in the era of climate change: a qualitative auto-photography study.

BACKGROUND: Climate change poses a global health risk through consequences such as sea level rise, wildfires, and increased air pollution. Children born today and in the future may be disproportionately affected by climate change. As a result, many young adults are rethinking having children. The impacts of the climate crisis on the decision-making of parents is an understudied area of research. This study aims to be one of the first to explore how climate change impacts the pregnancy intentions of young women in Canada and their perspectives towards childbearing. METHODS: We conducted auto-photography and qualitative interviews. Participants were recruited using social media, and were aged 18-25, nulliparous, assigned female at birth, and were either current or previous residents of British Columbia, Canada. We asked participants to take photos that responded to the question, "Show us how climate change impacts your decision to have a family," then complete a virtual, one-on-one interview during which photo-elicitation was employed to guide conversation about participants' decision-making related to childbearing and climate change. We subjected all transcribed interviews to qualitative thematic analysis. RESULTS: We conducted in-depth interviews with seven participants who discussed a total of 33 photographs. Analysis of participants' interviews and photographs identified themes of eco-anxiety, hesitancy towards having children, sense of loss, and a desire for systemic change. Participants experienced anxiety, grief, and loss when faced with thoughts of change associated with their environments. Climate change impacted all but two participants' childbearing decision making, which was found to be interrelated with social-environmental factors, such as cost of living. CONCLUSION: We aimed to identify the ways in which climate change may impact youth decisions to have a family. Further research on this topic is needed to understand the prevalence of this phenomenon, and to build such considerations into climate action policy and family planning tools used among young people.

Nurse practitioners on 'the leading edge' of medication abortion care: A feminist qualitative approach.

AIMS: To explore nurse practitioners' experiences of medication abortion implementation in Canada and to identify ways to further support the implementation of medication abortion by nurse practitioners in Canada. DESIGN: A qualitative approach informed by feminist theory and integrated knowledge translation. METHODS: Qualitative interviews with stakeholders and nurse practitioners between January 2020 and May 2021. Data were analysed using critical feminist theory. RESULTS: Participants included 20 stakeholders, 16 nurse practitioner abortion providers, and seven nurse practitioners who did not provide abortions. We found that nurse practitioners conduct educational, communication and networking activities in the implementation of medication abortion in their communities. Nurse practitioners navigated resistance to abortion care in the health system from employers, colleagues and funders. Participants valued making abortion care more accessible to their patients and indicated that normalizing medication abortion in primary care was important to them. CONCLUSION: When trained in abortion care and supported by employers, nurse practitioners are leaders of abortion care in their communities and want to provide accessible, inclusive services to their patients. We recommend nursing curricula integrate abortion services in education, and that policymakers and health administrators partner with nurses, physicians, midwives, social workers and pharmacists, for comprehensive provincial/territorial sexual and reproductive health strategies for primary care. IMPACT: The findings from this study may inform future policy, health administration and curriculum decisions related to reproductive health, and raise awareness about the crucial role of nurse practitioners in abortion care and contributions to reproductive health equity. PATIENT OR PUBLIC CONTRIBUTION: This study focused on provider experiences. In-kind support was provided by Action Canada for Sexual Health & Rights, an organization that provides direct support and resources to the public and is committed to advocating on behalf of patients and the public seeking sexual and reproductive health services.

Dispensing mifepristone for medical abortion in Canada: Pharmacists' experiences of the first year.

Background: Mifepristone for medical abortion was first dispensed by community pharmacists in Canada directly to patients in January 2017. We asked about pharmacists' experiences over their first year dispensing mifepristone in order to evaluate the frequency of the new practice and assess availability in urban/rural pharmacies. Methods: From August to December 2019, we invited 433 community pharmacists who had completed a baseline survey at least 1 year prior to participate in a follow-up online survey. We summarized categorical data using counts and proportions and conducted a qualitative thematic analysis of open-ended responses. Results: Among 122 participants, 67.2% had dispensed the product, and 48.4% routinely stocked mifepristone. Pharmacists reported a mean of 26 and median of 3 (interquartile range, 1, 8) mifepristone prescriptions filled in their pharmacies in the previous year. Participants perceived that the benefits of making mifepristone available in pharmacies included increased abortion access for patients (n = 115; 94.3%), reduced pressure on the health care system (n = 104; 85.3%), increased rural and remote abortion access (n = 103; 84.4%) and increased interprofessional collaborations (n = 48; 39.3%). Few participants reported challenges to maintaining adequate stock of mifepristone, but these challenges included low demand (n = 24; 19.7%), short expiry dating (n = 12; 9.8%) and drug shortages (n = 8; 6.6%). The overwhelming majority, 96.7%, reported that their communities did not resist the provision of mifepristone by their pharmacy. Interpretation: Participating pharmacists reported many benefits and very few barriers to stocking and dispensing mifepristone. Both urban and rural communities responded positively to enhanced access to mifepristone in their community. Conclusions: Mifepristone is well accepted by pharmacists within the primary care system in Canada.

A Virtual Community of Practice to Support Physician Uptake of a Novel Abortion Practice: Mixed Methods Case Study.

BACKGROUND: Virtual communities of practice (VCoPs) have been used to support innovation and quality in clinical care. The drug mifepristone was introduced in Canada in 2017 for medical abortion. We created a VCoP to support implementation of mifepristone abortion practice across Canada. OBJECTIVE: The aim of this study was to describe the development and use of the Canadian Abortion Providers Support-Communauté de pratique canadienne sur l'avortement (CAPS-CPCA) VCoP and explore physicians' experience with CAPS-CPCA and their views on its value in supporting implementation. METHODS: This was a mixed methods intrinsic case study of Canadian health care providers' use and physicians' perceptions of the CAPS-CPCA VCoP during the first 2 years of a novel practice. We sampled both physicians who joined the CAPS-CPCA VCoP and those who were interested in providing the novel practice but did not join the VCoP. We designed the VCoP features to address known and discovered barriers to implementation of medication abortion in primary care. Our secure web-based platform allowed asynchronous access to information, practice resources, clinical support, discussion forums, and email notices. We collected data from the platform and through surveys of physician members as well as interviews with physician members and nonmembers. We analyzed descriptive statistics for website metrics, physicians' characteristics and practices, and their use of the VCoP. We used qualitative methods to explore the physicians' experiences and perceptions of the VCoP. RESULTS: From January 1, 2017, to June 30, 2019, a total of 430 physicians representing all provinces and territories in Canada joined the VCoP and 222 (51.6%) completed a baseline survey. Of these 222 respondents, 156 (70.3%) were family physicians, 170 (80.2%) were women, and 78 (35.1%) had no prior abortion experience. In a survey conducted 12 months after baseline, 77.9% (120/154) of the respondents stated that they had provided mifepristone abortion and 33.9% (43/127) said the VCoP had been important or very important. Logging in to the site was burdensome for some, but members valued downloadable resources such as patient information sheets, consent forms, and clinical checklists. They found email announcements helpful for keeping up to date with changing regulations. Few asked clinical questions to the VCoP experts, but physicians felt that this feature was important for isolated or rural providers. Information collected through member polls about health system barriers to implementation was used in the project's knowledge translation activities with policy makers to mitigate these barriers. CONCLUSIONS: A VCoP developed to address known and discovered barriers to uptake of a novel medication abortion method engaged physicians from across Canada and supported some, including those with no prior abortion experience, to implement this practice. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID): RR2-10.1136/bmjopen-2018-028443.

The perspective of Canadian health care professionals on abortion service during the COVID-19 pandemic.

BACKGROUND: The COVID-19 pandemic and pandemic response created novel challenges for abortion services. Canada was uniquely positioned to transition to telemedicine because internationally common restrictions on abortion medication were removed before the pandemic. OBJECTIVE: We sought to characterize the experiences of abortion health care professionals in Canada during the COVID-19 pandemic and the impact of the pandemic response on abortion services. METHODS: We conducted a sequential mixed methods study between July 2020 and January 2021. We invited physicians, nurse practitioners and administrators to participate in a cross-sectional survey containing an open-ended question about the impact of the pandemic response on abortion care. We employed an inductive codebook thematic analysis, which informed the development of a second, primarily quantitative survey. RESULTS: Our initial survey had 307 respondents and our second had 78. Fifty-three percent were family physicians. Our first survey found respondents considered abortion access essential. We identified three key topicss: access to abortion care was often maintained despite pandemic-related challenges (e.g. difficulty obtaining tests, additional costs); change of practice to low-touch medication abortion care and provider perceptions of patient experience, including shifting demand, telemedicine acceptability and increased rural access. The second survey indicated uptake of telemedicine medication abortion among 89% of participants except in Quebec, where regulations meant procedures were nearly exclusively surgical. Restrictions did not delay care according to 76% of participants. CONCLUSIONS: Canadian health care professionals report their facilities deemed abortion an essential service. Provinces and territories, except Quebec, described a robust pandemic transition to telemedicine to ensure access to services. PODCAST: An accompanying podcast is available in the Supplementary Data, in which the authors Dr Madeleine Ennis and Kate Wahl discuss their research on how family planning care and access to abortion services have changed during the COVID-19 pandemic.

Access to abortion care was challenged by the response to COVID-19. Canada had fewer restrictions on medical abortion than many other countries when the pandemic began. The goal of this study was to describe the experiences of health care practitioners providing abortion in Canada and the impact of the pandemic and the pandemic response measures on abortion services. We conducted two surveys of physicians, nurse practitioners and administrators between July 2020 and January 2021. Most of the health care practitioners who participated reported that medical and surgical abortion care were essential and that, except in the province of Quebec, there was a rapid transition to virtual telemedicine care for first trimester abortions. Several practitioners said that virtual care made abortion more accessible. Other practitioners reported that it was challenging to order certain tests, access operating room facilities or make referrals for late second trimester cases. Practitioners felt that patients had strong fears about COVID-19 exposure and reported that limited contraception access was increasingly a reason for seeking abortion care. The results of the study suggested that abortion was considered essential and that the pandemic instigated a transition to virtual care in all provinces and territories except Quebec.

A survey of health care practitioners' attitudes toward shared decision-making for choice of next birth after cesarean.

BACKGROUND: Patients with a history of cesarean may benefit from shared decision-making (SDM) interventions, such as patient decision aids, that provide individualized clinical information and help to clarify personal preferences. We sought to understand the factors that influence how care practitioners support choices for mode of birth and what individual and health system factors influence uptake of SDM in routine care. METHODS: We conducted a cross-sectional survey of health care practitioners in British Columbia, Canada (2016-2017). Participants included family physicians, midwives, obstetricians, and registered nurses. We conducted descriptive and inferential analyses of quantitative data and subjected the open-ended survey responses to thematic analysis. RESULTS: Analysis of survey responses (n = 307) suggested there was no significant association between the size of the participant hospital and their medico-legal concerns about mode of birth. Environmental factors that may influence the use of SDM included the length of time it takes to initiate an emergency cesarean and the timing of when the SDM intervention is introduced to the patient. No participants reported protocols prohibiting VBAC at their hospital. Participants preferred an SDM approach where the pregnant person is involved in making the final decision for mode of birth. CONCLUSIONS: Although maternity care practitioners express attitudes and behaviors that may support SDM for mode of birth after cesarean, implementing SDM using a patient decision aid alone may be challenging because of environmental factors. Our study demonstrates how survey data can aid in identifying how, when, where, for whom, and why an SDM intervention could be implemented.

Understanding multidisciplinary care for people with rheumatic disease in British Columbia, Canada, through patients, nurses and physicians voices: a qualitative policy evaluation.

BACKGROUND: In 2011, the province of British Columbia (BC) moved to allow patients with complex rheumatic disease to be seen by nurses along with their rheumatologist by introducing a 'Multidisciplinary Care Assessments' (MCA) billing code (G31060). OBJECTIVE: To describe multidisciplinary care introduced as part of MCAs across BC and investigate the perceived impact of this intervention, the addition of nurses to the care team, on patient care from the perspective of patients, nurses, and rheumatologists. METHODS: We conducted semi-structured interviews, informed by a qualitative evaluation approach with patients, nurses, and rheumatologists from September 2019 - August 2020. Interviews investigated 1) the experiences of all stakeholders with adopting the multidisciplinary care billing code, 2) the perceived role of the nurse in the care team, and 3) the perceived impact of multidisciplinary care on patient experience and outcomes. We purposefully sampled practices for maximum variation of geographical location (rural vs. urban), size of practice (i.e., patient caseload), and number of nurses employed. RESULTS: We interviewed 21 patients, 13 nurses, and 12 rheumatologists from across BC. Our analysis identified variation in the way rheumatologists adopted multidisciplinary care across BC. Our analysis showed some heterogeneity in the way the MCA was delivered in rheumatology practices; however, patient education was identified as the core role of nurses across practices. We identified six core themes describing the impact of this model of care, all representing improvements in the way practices functioned, from improved efficiency to access, patient experience, time management, clinician experience, and patient health outcomes. Contextual factors that influenced the presence of these themes were related to the time the nurses spent with patients and the professional roles they performed. CONCLUSION: Our results suggest nurse care can complement physician care by extending contact time for patients and promoting the efficient use of health care professionals' skills, time, and resources. These data may encourage future uptake of the billing code to help ensure the policy delivers maximum benefits to patients given the wide range of perceived benefits described by clinicians and patients.

Perspectives Among Canadian Physicians on Factors Influencing Implementation of Mifepristone Medical Abortion: A National Qualitative Study.

PURPOSE: Access to family planning health services in Canada has been historically inadequate and inequitable. A potential solution appeared when Health Canada approved mifepristone, the gold standard for medical abortion, in July 2015. We sought to investigate the factors that influence successful initiation and ongoing provision of medical abortion services among Canadian health professionals and how these factors relate to abortion policies, systems, and service access throughout Canada. METHODS: We conducted 1-on-1 semistructured interviews with a national sample of abortion-providing and nonproviding physicians and health system stakeholders in Canadian health care settings. Our data collection, thematic analysis, and interpretation were guided by Diffusion of Innovation theory. RESULTS: We conducted interviews with 90 participants including rural practitioners and those with no previous abortion experience. In the course of our study, Health Canada removed mifepristone restrictions. Our results suggest that Health Canada's initial restrictions discouraged physicians from providing mifepristone and were inconsistent with provincial licensing standards, thereby limiting patient access. Once deregulated, remaining factors were primarily related to local and regional implementation processes. Participants held strong perceptions that mifepristone was the new standard of care for medical abortion in Canada and within the scope of primary care practice. CONCLUSION: Health Canada's removal of mifepristone restrictions facilitated the implementation of abortion care in the primary care setting. Our results are unique because Canada is the first country to facilitate provision of medical abortion in primary care via evidence-based deregulation of mifepristone.

Barriers and Facilitators to the Implementation of First Trimester Medical Abortion With Mifepristone in the Province of Québec: A Qualitative Investigation.

OBJECTIVE: Mifepristone became available in Canada in January 2017, but provincial medical policy delayed its use for medical abortion (MA) in Québec for 1 year. The objective of this study was to identify barriers and facilitators experienced by physicians who could potentially provide this newer abortion practice in Québec. METHODS: This study was part of the Canadian Contraception and Abortion Research Team-Mifepristone Implementation Study, an observational, prospective, mixed-methods study. Interviews were conducted with physicians representing all health regions of Québec. Using thematic analysis guided by diffusion of innovation theory, the study identified key barriers and facilitators to implementation. RESULTS: From January 2017 to March 2018, study investigators interviewed 25 family physicians and 12 obstetrician-gynaecologists. Most were women (81%), over 40 years old (65%), with >20 years in practice since residency (49%). Less than half of the sample provided abortion services (41%), and only 8% provided MA with mifepristone. Key barriers to implementation were: (1) uncertainty or confusion about policies regarding MA, (2) lack of human resources or support from colleagues, (3) uncertainty about product distribution, (4) confusion about professional collaboration, and (5) lack of local infrastructure. Key facilitators were: (1) perception of support and influence from colleagues, (2) previous experience with provision of first trimester MA, (3) requests for first trimester MA by patients or other physicians, and (4) knowledge of research on mifepristone MA. CONCLUSION: Despite Health Canada's approval of mifepristone in Canada and supportive federal policies for provision of MA in primary care, physicians in the province of Québec face onerous barriers to the practice of mifepristone MA.

Slow implementation of mifepristone medical termination of pregnancy in Quebec, Canada: a qualitative investigation.

Objectives: Mifepristone for first-trimester medical termination of pregnancy (MTOP) became available in Quebec in 2018, one year after the rest of Canada. Using the theory of the Diffusion of Innovation (DOI) and the transtheoretical model of change (TTM), we investigated factors influencing the implementation of mifepristone MTOP in Quebec.Material and Methods: Semi-structured interviews were conducted with 37 Quebec physicians in early 2018. Deductive thematic analysis guided by the theory of DOI explored facilitators and barriers to physicians' adoption of mifepristone MTOP. We then classified participants into five stages of mifepristone adoption based on the TTM. Follow-up data collection one year later assessed further adoption.Results: At baseline, three physicians provided mifepristone MTOP (Maintenance) and two were about to start (Action). Thirteen physicians at Preparation and Advanced Contemplation stages intended to start while, within the Slow Contemplation, two intended to start and ten were unsure. Seven had no intention to provide mifepristone MTOP (Pre-Contemplation). Major reported barriers were: complexity of local health care organisations, medical policy restrictions, lack of support, and general uncertainty. One year later, ten physicians provided mifepristone MTOP (including three at baseline) and nine still intended to, while seventeen did not intend to start provision. Seven of sixteen participants (44%) who worked in TOP clinics at baseline were still not providing MTOP with mifepristone one year later.Conclusion: Despite ideological support, mifepristone MTOP uptake in Quebec is slow and laborious, mainly due to restrictive medical policies, vested interests in surgical provision and administrative inertia.

Isolation of enriched small RNA from cell-lysate using on-chip isotachophoresis.

In spite of the growing interest in the roles and applications of small RNAs (sRNAs), sRNA isolation methods are inconsistent, tedious, and dependent on the starting number of cells. In this work, we employ ITP to isolate sRNAs from the cell-lysate of K562 (chronic myelogenous leukemia) cells in a polydimethylsiloxane (PDMS) mesofluidic device. Our method specifically purifies sRNA of <60 nucleotides from lysate of a wide range of cell number spanning from 100 to 1 000 000 cells. We measured the amount of sRNA using the Agilent Bioanalyzer and further verified the extraction efficiency by reverse transcription quantitative PCR. Our method was shown to be more efficient in sRNA extraction than commercial sRNA isolation kits, especially when using smaller numbers of starting cells. Our assay presents a simple and rapid sRNA extraction method with 20 min assay time and no intermediate transfer steps.

Is attending birth dying out? Trends in obstetric care provision among primary care physicians in British Columbia.

OBJECTIVE: To examine trends in and sociodemographic predictors of the provision of obstetric care within the primary care context among physicians in British Columbia (BC). DESIGN: Population-based, longitudinal cohort study using administrative data. SETTING: British Columbia. PARTICIPANTS: All primary care physicians practising in BC between 2005-2006 and 2011-2012. MAIN OUTCOME MEASURES: Fee-for-service payment records were used to identify the provision of prenatal and postnatal care and deliveries. The proportions of physicians who attended deliveries and who included any obstetric care provision in their practices were examined over time using longitudinal mixed-effects log-linear models. RESULTS: The proportion of physicians attending deliveries or providing any obstetric care declined significantly over the study period (deliveries: odds ratio [OR] of 0.92, 95% CI 0.89-0.95; obstetric care: OR = 0.92, 95% CI 0.89-0.95), and obstetric care provision accounted for a smaller proportion of overall practice activity (OR = 0.96, 95% CI 0.94-0.99). Female physicians had higher odds of including obstetric care in their practices (OR = 1.46, 95% CI 1.27-1.69), and by 2011-2012 had significantly higher odds of attending deliveries (OR = 1.22, 95% CI 1.05-1.38). Older physicians and those located in metropolitan centres were less likely to provide obstetric care or attend deliveries. CONCLUSION: The provision of obstetric care by primary care physicians in BC declined over this period, suggesting the possibility of a growing access issue, particularly in rural and remote communities where family physicians are often the sole providers of obstetric services.

Efficient Production of On-Target Reads for Small RNA Sequencing of Single Cells Using Modified Adapters.

Although single-cell mRNA sequencing has been a powerful tool to explore cellular heterogeneity, the sequencing of small RNA at the single-cell level (sc-sRNA-seq) remains a challenge, as these have no consensus sequence, are relatively low abundant, and are difficult to amplify in a bias-free fashion. We present two methods of single-cell-lysis that enable sc-sRNA-seq. The first method is a chemical-based technique with overnight freezing while the second method leverages on-chip electrical lysis of plasma membrane and physical extraction and separation of cytoplasmic RNA via isotachophoresis. We coupled these two methods with off-chip small RNA library preparation using CleanTag modified adapters to prevent the formation of adapter dimers. We then demonstrated sc-sRNA-seq with single K562 human leukemic cells. Our approaches offer a relatively short hands-on time of 6 h and efficient generation of on-target reads. The sc-sRNA-seq with our approaches showed detection of miRNA with various abundances ranging from 16 000 copies/cell to about 10 copies/cell. We anticipate this approach will create a new opportunity to explore cellular heterogeneity through small RNA expression.

Evaluation of an Information Pamphlet for Women Considering Epidural Analgesia in Labour.

OBJECTIVE: This study sought to assess change in knowledge and preference for epidural use associated with use of an information pamphlet and to explore women's decision-making and information needs regarding pain relief in labour. METHODS: Six focus groups with women who were pregnant or had given birth during the past 12 months were conducted in three northern communities in British Columbia. Following completion of a 10-item knowledge pretest, women were randomly assigned to read either a short version or a detailed version of the pamphlet and then complete a post-test. After reading the alternate pamphlet they participated in a moderated discussion. Pretest and post-test knowledge scores were compared, and a thematic analysis of focus group data was conducted. RESULTS: Knowledge scores increased (2.12 points out of a possible total of 10; standard deviation 2.38; 95% CI 1.38 to 2.87). There was no difference in knowledge change or epidural preferences according to which version participants read first. Women preferred the detailed version and indicated that its information was more balanced. Four themes related to decision-making and information needs arose from the focus groups: making an informed choice, being open-minded, wanting comprehensive information, and experiencing pressure to have/not have an epidural. CONCLUSION: An illustrated information pamphlet can significantly increase women's knowledge of benefits and risks of epidural analgesia, but it is not associated with change of preference. Women prefer to receive comprehensive information prenatally to support informed choices in labour.

Do Women Have a Choice? Care Providers' and Decision Makers' Perspectives on Barriers to Access of Health Services for Birth after a Previous Cesarean.

BACKGROUND: Repeat cesarean delivery is the single largest contributor to the escalating cesarean rate worldwide. Approximately 80 percent of women with a past cesarean are candidates for vaginal birth after a cesarean (VBAC), but in Canada less than one-third plan VBAC. Emerging evidence suggests that these trends may be due in part to nonclinical factors, including care provider practice patterns and delays in access to surgical and anesthesia services. This study sought to explore maternity care providers' and decision makers' attitudes toward and experiences with providing and planning services for women with a previous cesarean. METHODS: In-depth, semi-structured interviews were conducted with family physicians, midwives, obstetricians, nurses, anesthetists, and health service decision makers recruited from three rural and two urban Canadian communities. Constructivist grounded theory informed iterative data collection and analysis. RESULTS: Analysis of interviews (n = 35) revealed that the factors influencing decisions resulted from interactions between the clinical, organizational, and policy levels of the health care system. Physicians acted as information providers of clinical risks and benefits, with limited discussion of patient preferences. Decision makers serving large hospitals revealed concerns related to liability and patient safety. These stemmed from competing access to surgical resources. CONCLUSIONS: To facilitate women's increased access to planned VBAC, it is necessary to address the barriers perceived by care providers and decision makers. Strategies to mitigate concerns include initiating decision support immediately after the primary cesarean, addressing the social risks that influence women's preferences, and managing perceptions of patient and litigation risks through shared decision making.