Lecture How to practice EBM: Finding the Evidence

This lecture includes these contents: How to practice ebm, finding the evidence, formulate a focused question, develop a search strategy, perform a search on pubmed,... Invite you to consult this lecture.

Trang 1

| _How to practice EBM:

~» Finding the Evidence

Trang 2

Session objectives

® Formulate a focused question ® Turn a focused question into a

search

Trang 3

Formulate a focused question Patient / Problem / Population

Intervention

Trang 4

1 [l] * Lifestyle * Health

.Mums-to-be beware - Give up

.smoking before you get pregnant

Trang 5

Focused question P: Pregnant smokers |: nicotine replacement C: N/A O: cessation

Is nicotine replacement therapy an

effective and safe smoking cessation

Trang 6

Quick search ® THIP www.iripdatabase.com ® PubMed Clinical Queries www.pubmed.gov

service of the U.S National Library of M

=> Swe) PubWuled www.pubmed.qgoy ¬ and the Nattonal Institutes of Health

All Databases PubMed Nucleotide in Genome ructure

Search| Pub + fe [ee Jf ier

Trang 7

Hands-on

® Formulate a focused question

° Use your own question or one of the

examples in your pack

° Record the search terms you're using

® Run a quick search on TRIP

www.iripdatabase.com

® Run a quick search on PubMed Clinical

Trang 8

Run a full search strategy

Why bother?

Trang 10

Cornbine terms with AND

smoking AND cessation — both terms must be

present

Trang 11

Quick tips

® Take a common word stem and look for

spelling variations e.g

° smok* - will retrieve papers smoking, smoker,

smokers but also smoked salmon

® Phrase searching

° Use double quote marks if you want words to

Trang 12

Develop a search strategy

1 pregnan”

2 smoking or smoker”

3 nicotine replacement OR nicotine

patch”

4 cessation OR stop* OR quit*

Trang 13

Perform a search on PubMed

4 service of the U.S National Library of Medicine

_ ~

== : =

and the National Institutes of Health

Trang 14

Searching tips: PubMed

Subject searching - use MeSH

° Subject headings added to articles on

Medline

° Search the MeSH Database

® Finding similar articles — use the ‘Related articles’ link

c ị A service of the U.S National Library of Medicine

Trang 15

Hands-on

® Take your focused question:

© Run further searches on PubMed

Trang 16

Flelp

® Finding the Evidence tutorials:

° EBM web-site — EBM tools — Finding the Evidence htfp:/www.cebm.net

® PubMed

5S Short online tutorials

° Quick guides to PubMed — basics, MeSH search and

MyNCBI