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Onderzoek ontmoet praktijk Evidence meets practice Helen Spiby Mother and Infant Research Unit University of York, UK 11 th December 2007
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Where evidence meets experience PLAN Overview EBP process Identifying research questions from midwifery practice Early Labour Support & Assessment trial Suggest ways to increase midwives’ involvement in evidence based practice
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The three elements of evidence-based health care Evidence-based healthcare
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Evidence Based Practice in Midwifery Why? Best possible care & outcomes Ethical imperative Reduce variations in practice Efficient use of finite resources Professional accountability Women & families as partners
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Alternatives to Evidence Based Practice Opinion-based practice Custom Interventions implemented/ practice changes without a strong evidence base
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Procedures : evidence of harm/mixed effects/no clear evidence/evidence applied inappropriately Supplementation with formula for breastfed babies Routine rupturing of membranes Not suturing second degree tears Placing babies prone to sleep
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Overview of the EBP process Identifying questions from practice Locating the evidence Critically appraising the evidence Utilisation in practice Evaluation & reflection
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Identifying questions from practice Formulating the question: PICO Population Intervention/exposure Comparison Outcome
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Identifying questions from practice: PICO Population - description of a similar group of women/babies
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Identifying questions from practice: PICO Intervention –treatment –therapeutic intervention –screening –diet
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Identifying questions from practice: PICO Comparison –alternative option –control/current treatment
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Identifying questions from practice: PICO Outcome –clinical : wellbeing enhanced –organisational –economic
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Relating questions to research methods Effectiveness of treatment: systematic reviews/ randomised controlled trials Effect of environmental factors on health: cohort & case control studies Women’s experiences : qualitative (interviews) & quantitative (questionnaire surveys)
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Locating the evidence: Evidence Based Healthcare: Resources Pre-synthesized information E.g. systematic reviews, evidence summaries; higher quality clinical guidelines (NICE); Practice Standards (KNOV) Cochrane Reviews Individual studies
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Critical appraisal Was an appropriate research method used to answer that question? Is the research described comprehensively? Was the context relevant? Resource: CASP www.phru.nhs.uk
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Critical appraisal Is there a clear focus to the research question? Appropriate allocation between groups? How were outcomes measured? What is the risk of bias? How are results presented? Valid conclusions?
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Identifying questions from practice: some examples Are there midwifery practices that prevent perineal trauma ? What are women’s experiences of labouring in water ? Should women in early labour receive midwifery care at home ?
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Practices: impacts unknown & evidence required When should support start once women are in labour? What information do women need in early labour? What is the appropriate schedule for vaginal examinations in early labour?
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Asking questions about effectiveness Impacts at individual level Improvements in physical/ emotional wellbeing Consequences/ side-effects Uptake/ acceptability
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Identifying & measuring outcomes Clearly defined & interpreted consistently Valid & reliable methods of measurement Risk of bias minimised
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The Early Labour Support and Assessment trial (ELSA) Funded by: NIHR Service Delivery & Organisation of Care programme Conducted by: a midwifery-led multi- disciplinary research team
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Arriving at hospital early- more intervention during labour; higher rate of instrumental & operative births 10-33% women admitted to a delivery suite are not in labour 97% births in UK in hospital Caesarean Section rate 22%: national concern 40%-50% first babies born by CS/ instrumental birth in Yorkshire in 2001 Background (1)
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Critical appraisal of existing research: Methodologically prone to bias Settings unrepresentative of current UK maternity care Home visits not tested as a single intervention Background (2)
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Aim & Research design To determine the effect of offering home visits by a midwife to nulliparous women in early labour Using A multi-centre randomised controlled trial with cost-effectiveness analysis
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Intervention Offer of a home visit by a community midwife (08.00-21.00) Advice & support, assessment of wellbeing & progress Control Group Standard care - telephone contact with labour & delivery suite; advice to attend for assessment
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Outcomes Primary: Caesarean section in labour & instrumental vaginal birth Secondary: Impacts on labour: length, pain relief, procedures Maternal & neonatal complications Breastfeeding Women’s emotional wellbeing & experiences of care Health professionals’ views & experiences Economic analysis
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Timetable & progress Recruitment August 2004 – July 2006 3500 participants; 11 clinical sites in England Analysis in progress; Final report March 2008 Active dissemination to all stakeholders Conference September 2008
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Workshops Please divide into 4 groups Work in small groups Identify a writer, work through the task; hand notes to facilitator
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Workshops Identify an issue from practice that you encounter nearly every day with your students & develop a research question- Using the PICO framework Which type of research would answer that question?
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Challenges to EBP in midwifery Access to & quantity of evidence Providing women with evidence Changing professional practice
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Consistently effective: Educational outreach visits Manual/computerised reminders Multifaceted interventions Interactive educational meetings Haines A. (2001) Getting research into practice. 2nd ed. London: BMJ
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Changing professional practice Mixed effects: Audit & feedback Local opinion leaders Local consensus processes Patient-mediated interventions
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Evaluation & reflection Evaluation - early, under-resourced, methodologically weak Reflection- individual & system-based approaches
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Evidence based practice in midwifery: making it happen Throughout midwifery –policy, education, practice; avoid divisions Education & skills Building capacity Infra-structure support
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Core skills & attitudes for EBP in midwifery Formulating questions about practice Ability to locate evidence Skills in critical appraisal Ability to collaborate & lead research Implementation knowledge
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Evidence based practice in midwifery: making it happen Build capacity by creating opportunities Secondments- clinical midwives join research teams ; mentorship Joint appointments – shared funding between academic & practice settings Academic midwifery practices How do we involve midwifery students?
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Evidence based practice in midwifery: making it happen Build capacity by creating opportunities Career pathways Academic development funding streams What opportunities are there for you ?
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Opportunities- in the Early Labour trial Midwifery Research Fellow –PhD Local Midwifery Co-ordinators – 10 midwives, part –time, working in practice Midwives : investigators, all Trial Committees & working groups 2 Midwives seconded into MIRU working on the trial
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Evidence based practice in midwifery: making it happen Infrastructure support Identify existing systems that could foster EBP e.g. Journal clubs ; academic assessments Information specialists Link activity to policy, professional & public health priorities Develop skills in acquiring funding National & international collaborations
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Evidence based practice in midwifery: making it happen Identify support systems Engage stakeholders Set achievable goals, celebrate early success Evaluate & disseminate all experiences
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