Flashcards in Session 2 Deck (20):
What evidence should be used in evidence based medicine?
Give examples of where clinicians have failed to use evidence based medicine
Lidocaine - still used it even though it showed placebo had better survival rates and it increased mortality
Magnesium sulphate given and shown to work in eclamptic seizures in pregnant women since 60's yet in 90's it still wasn't being used
Where does evidence based medicine derive from?
What is significant about the Cochrane logo?
Review of corticosteroids for pregnant women giving birth prematurely - 7 RCTs
Why are systematic reviews needed?
lit reviews are poor, subjective, biased
help address clinical uncertainty
Why are systematic reviews useful to clinicians?
Provides information in one place
Reduces delays between implementation
Converted into guidelines
Prevent biased decisions
Up to date conclusions
Where is evidence available?
NHS health technology and assessment programme
NHS centre for reviews and dissemination
What are the 2 types of criticism of evidence based practise?
Practical and Philosophical
Why is evidence not used?
Don't know about it
Don't use it
Systems don't support it
Commissioners don't support it
Resources not available
What is quantitative research?
Begins with an hypothesis
Allows conlusions and relationships
Reliable and repeatable
Name some study designs of quantitative research
What can questionnaires be used for?
Measuring risk factors
Valid and reliable
Knowledge and attitudes
Satisfaction with health services
What is quantitative research good at?
What are the weaknesses of quantitative research?
don't allow people to express things the way they want
can't access all information
can't establish causality
Studying human behavior in it's natural context
What is qualitative research?
This is observing what people do
aims to make sense of phenomena
valuable insight into behaviour
What can CASP assess?
Rigour, credibility and relevance
What are the strengths of qualitative research?
Access information not available by quantitative methods
What are the weaknesses of qualitative research?
Generalisability is difficult