information retrieval for hta 2nd part search strategies ......databases retrieval tools (or troops)...
TRANSCRIPT
Information Retrieval for HTA
2nd part Planning Strategies for
HTA Searching
Bibl. Daniel Comandé [email protected]
Anatomy of HTA
1.- QUESTION
• IS BOTULINUM TOXINE USEFUL TO COMBAT MIGRAINES?
2.- TRANSLATION (Technology / Health Matters)
• Botulinum Toxine AND Migraines
3.- Search Strategy
• (Botulinum Toxine AND Migraines) AND Evidence Filters
Planning Search Strategies
Convergent Assault
Infantry
Cavalry & Siege
Machines
Components of HTA Search Strategy
HTA
Technology Terms
Health Subject Terms
Evidence Filters
Databases retrieval tools (or Troops)
Thesaurus Terms
Boolean operators (AND, OR, NOT)
Truncation
Field and cross-field searching (title, abstract, title & abstract, etc.)
Phrase searching
Shared references
In Example: “Induced Hypothermia in Brain
Ischemia Prevention in Newborns”
Induced Hypothermia
Brain Hypoxia Ischemia
Search Results
Technology Terms Construction (Induced Hypothermia MeSH)
Technology Terms Construction (Induced Hypothermia Entry Terms)
Induced Hypothermia simplification
(Hypothermia, Induced[Mesh] OR hypothermi*[tiab)
(Hypothermia, Induced[Mesh] OR Mild hypothermia[tiab] OR Moderate hypothermia[tiab] OR Induced hypothermia[tiab])
(Hypothermia, Induced[Mesh] OR hypothermia[tiab] OR Moderate hypothermia[tiab] OR Induced hypothermia[tiab])
(Hypothermia, Induced[Mesh] OR hypothermia[tiab])
(Hypothermia, Induced[Mesh] OR hypothermia[tiab])
Health Subject Terms Construction (Brain Hypoxia-Ischemia MeSH)
Hypoxia-Ischemia, Brain[Mesh]
Health Subject Terms Construction (Brain Hypoxia-Ischemia Entry terms)
Brain Hypoxia Hypoxia Ischemia
Ischemic Encephalopathy
Ischemic-Hypoxic
Cerebral Hypoxia
Brain Hypoxia-Ischemia simplification
(Hypoxia-Ischemia, Brain[Mesh] OR Brain Hypoxia Ischemia[tiab] OR Brain Hypoxia ischemia[tiab] OR Ischemic Hypoxic Encephalopathy[tiab] OR Cerebral Hypoxia Ischemia[tiab] OR Brain Hypoxia ischemia[tiab])
(Hypoxia-Ischemia, Brain[Mesh] OR Brain Hypoxia ischemia[tiab] OR Brain ischemia hypoxia[tiab] OR Ischemic Hypoxic Encephalopathy[tiab] OR Cerebral Hypoxia Ischemia[tiab] OR Brain Hypoxia ischemia[tiab])
(Hypoxia-Ischemia, Brain[Mesh] OR Brain Hypoxi*[tiab] OR Brain ischemi*[tiab] OR Ischemic Hypoxic[tiab] OR Hypoxic Encephalopath*[tiab] OR Cerebral Hypoxi*[tiab] OR Cerebral ischemi*[tiab] OR Ischemic Encephalopath*[tiab])
(Hypothermia, Induced[Mesh] OR hypotherm*[tiab]) AND (Hypoxia-Ischemia, Brain[Mesh] OR Brain Hypoxi*[tiab] OR Brain ischemi*[tiab] OR Ischemic Hypoxic[tiab] OR Hypoxic Encephalopath*[tiab] OR Cerebral Hypoxi*[tiab] OR Cerebral ischemi*[tiab] OR Ischemic Encephalopath*[tiab])
Hypothermia, Induced[Mesh] OR
hypotherm*[tiab]
Hypoxia-Ischemia, Brain[Mesh] OR Brain Hypoxi*[tiab] OR Brain
ischemi*[tiab] OR Ischemic Hypoxic[tiab]
OR Hypoxic Encephalopath*[tiab]
OR Cerebral Hypoxi*[tiab] OR
Cerebral ischemi*[tiab] OR Ischemic
Encephalopath*[tiab]
Search Results
Thesaurus Term
Title & Abstract terms
Spelling
Other Terms (substances)
Other Terms (Trademarks)
Other Terms (Trials names)
The “wedge battle formation”
Evidence Filters (Limits)
Evidence providing studies
Randomized Controlled Clinical Trials
Practice Guidelines
Heath Technology Assessments
Meta-Analysis
Systematic Reviews
Observational Studies
Narrative Reviews
Case Series
Systematic Reviews
Practice Guidelines
Randomized Controlled Trials
The “envolving pincer”
Limits reduces the “enemy”results
Without Limits
With Limits
Search with and without LIMITS
The “enemy” sourrenders
Useful Evidence for HTA
