4- EBM Flashcards
1
Q
Define EBM
A
Process of systematically reviewing, appraising and using clinical data to give the best care to patients
2
Q
Outline steps to EBM
A
- Make clear q from pts problem- PICO
- Search literature
- Evaluate evidence- validity/usefulness
- Implement useful findings in clinical practice
3
Q
Where to search
A
PubMed, Embase, Cochrane
4
Q
How to evaluate evidence
A
Valid (true)
Useful- generalisable for pop/significant
Recognise strengths and weaknesses of diff evidence forms
Recognise possibility of bias
Hierarchy- meta analysis at the top, expert opinion bottom
5
Q
What does i squared show?
A
Measure of heterogeneity
6
Q
Limitations of EBM
A
Vested interests
Are conclusions justified
7
Q
Bias in availability
A
Positive results more likely to be published
Good ones in big journals, in eng
Good ones cited by authors
and quoted by newspapers
8
Q
Why EBM is not always ideal
A
- Vested interests
- Vol of evidence unmanageable
- Marginal statistical significance
- Rules/techniques prompt management driven care not pt driven
- Evidence based guidelines map poorly to multiple morbities
