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samenvatting 5 stappen EBP

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Samenvatting van de 5 stappen van evidence based practice. (alle leerdoelen)

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  • April 17, 2022
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  • 2021/2022
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SAMENVATTING EVIDENCE BASED PRACTICE

Stap 1: klinisch probleem vertalen in een beantwoordbare vraag (ask)
PICO: P → patiëntengroep/populatie
I → interventies/te onderzoeken
C → controlegroep/normale omstandigheden
O → outcome/wat je meet

Klinische vraag vormen: Wat is het effect van interventie in vergelijking met controle bij
patiënten met als uitkomst outcome


Stap 2: Efficiënt zoeken naar het beste bewijsmateriaal (access)
Wetenschappelijke artikelen worden gepubliceerd in:
PubMed →
Mesh →
Database →

AND → overlappende artikelen
OR → het een en het ander, in andere artikelen
(Tiab) → ‘title or abstract’, dus alleen in de titel of beschrijving
MeSH → zoekt artikelen waar de term het onderwerp is, en geen bijzaak

Sensitief zoeken (veel resultaten, maar veel ruis):
- Minder elementen met AND gebruiken
- Meer synoniemen toevoegen met OR
- Geen tiab gebruiken
- Gevoeligere zoektermen
- Overkoepelende Meshtermen gebruiken (boomstructuur)

Specifiek zoeken (minder ruis, maar minder hits, mogelijk mis je een relevant artikel)
- Meer elementen toevoegen met AND
- Specifiekere zoektermen
- Vrije zoektermen met tiab
- Smallere Meshtermen gebruiken (boomstructuur)

Welke geeft de meeste zoekresultaten? En welke de minste
1. (paraplegia OR spinal cord injury) AND (changing position OR repositioning)
AND (pressure ulcer OR bedsore OR decubitus) 57
2. (paraplegia OR spinal cord injury) AND (changing position OR repositioning)734
3. (paraplegia OR spinal cord injury ) AND changing position AND (pressure ulcer
OR bedsore OR decubitus) 37

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