PubMed

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PubMed

• Elsevier HS BJ, Taiwan

Presented By Gary Cheng DateFeb 21 2012
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Outline

• What is MEDLINE/PubMed in NLM?
• What is Index Medicus?
• History of NLM and MEDLINE
• MEDLINE/PubMed Data Element (Field)
  Descriptions
• Introduction of PubMed/MEDLINE Function
• LinkOut
• MeSH
• Limit
• Subheading
• Relative articles
• Clinical Queries
• My NCBI

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Index Medicus
MEDLINE????????????????????????????????,1879???,
??????????(The National Library of Medicine)?????
1.???? ??,????,?????,?????????,??????
Part 1 ?Subject Section Part 2 ?
Author Section ?
Bibliography of Medical Reviews
2.MeSH ????IM????,???IM???????
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Historical Record of Index Medicus
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Milestones in NLM History

• http//www.nlm.nih.gov/about/nlmhistory.html
• 1836 Library of the Office of the Surgeon General
  of the Army established.
• 1879 First volume of Index Medicus published.
• 1956 October 1 Act of Congress moved Armed Forces
  Medical Library to Public Health Service (PHS)
  and rechristened it the National Library of
  Medicine (NLM).
• 1971 October MEDLINE was initiated to provide
  online access.
• 1993 October NLM's Internet World Wide Web site
  (www.nlm.nih.gov) appeared.
• 1997 June 26 Web-based access to NLM's MEDLINE
  became available free of charge.
• 1998 October MedlinePlus created to provide
  access to consumer health information.
• 2000 February 29 ClinicalTrials.gov, an online
  resource designed to give the public easy access
  to information about research studies, was
  launched.

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NLM Programs and Services Annual Report - Fiscal
Year 1997
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Content of Medline/PubMed

• 36 data bases in PubMed
• MEDLINE was most important
• 5200 titles from USA
• ?1966???,??????????,?????20000???????
• Medical Subject Headings (MeSH).

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MEDLINE/PubMed Data Element (Field)
Descriptions
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MEDLINE/PubMed Data Element (Field)
Descriptions
PPMID- 19422719 TI - A complementary method for
detecting qi vacuity. AB - BACKGROUND Qi
vacuity (QV) is defined by traditional Chinese
medicine as a loss of energy in the human body.
An objective method for detecting QV was notav
ailable until recently, however. The automatic
reflective diagnosis system AD - Department of
Internal Medicine, Show Chwan Memorial Hospital,
No. 542, Sec 1. Chung-Shang Road, Changhua
City, Taiwan. cmffly_at_Gmail.com FAU - Chen,
Ming-Feng MH - Adolescent MH - Adult MH -
Case-Control Studies MH - Diagnosis MH -
Female MH - Galvanic Skin Response MH -
Humans MH - Male MH - Medicine, Chinese
Traditional MH - Methods SO - BMC Complement
Altern Med. 2009 May 8912.
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MeSH
? ???? (nature language) ??? (index term)
- ????????????????? (specificity)
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????,????
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Note
???? (index term) ???????????????
?MeSH (medical subheading),
????
???????MeSH????
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? ?MeSH??????????
- PubMed?????? (status subset)
?? your keywords AND (inprocesssb OR
publishersb OR pubmednotmedlinesb)
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PubMed Limits
??Limits?, In process ?supplied by
publisher??Medline ???,???? ?? Limits
?????????????????
?? your keywords AND (inprocesssb OR
publishersb OR pubmednotmedlinesb)
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?
?
(???OR???AND)
?
?
?
??Type of Article??
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??MeSH????? (subheading) ??
?? ???
??
AE Adverse effects
????????
DT Drug therapy
????????
DU Diagnostic use
????????
PK Pharmacokinetics
???????
PD Pharmacology
???????
PO Poisoning
??????
PC Prevention and control ??????
TU Therapeutic use
??????
varenicline/drug therapy (??????mh)
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Relative Articles
?????? (related citations) ??
?
?????????????MeSH??,??????
???????? (neighborhood)
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Clinical Queries using Research Methodology
Filters
Category Optimized For Sensitive Specific PubMed Equivalent
therapy sensitive/ broad 9970 ((clinicalTitle/Abstract AND trialTitle/Abstract) OR clinical trialsMeSH Terms OR clinical trialPublication Type OR randomTitle/Abstract OR random allocationMeSH Terms OR therapeutic useMeSH Subheading)
therapy specific/ narrow 9397 (randomized controlled trialPublication Type OR (randomizedTitle/Abstract AND controlledTitle/Abstract AND trialTitle/Abstract))
diagnosis sensitive/broad 98 74 (sensitivTitle/Abstract OR sensitivity and specificityMeSH Terms OR diagnosTitle/Abstract OR diagnosisMeSHnoexp OR diagnostic MeSHnoexp OR diagnosis,differentialMeSHnoexp OR diagnosisSubheadingnoexp)
diagnosis specific/ narrow  64 98 (specificityTitle/Abstract)
etiology sensitive/broad 93 63 (riskTitle/Abstract OR riskMeSHnoexp OR risk MeSHnoexp OR cohort studiesMeSH Terms OR groupText Word) 
etiology specific/ narrow 51 95 ((relativeTitle/Abstract AND riskTitle/Abstract) OR (relative riskText Word) OR risksText Word OR cohort studiesMeSHnoexp OR (cohortTitle/Abstract AND studTitle/Abstract))
prognosis sensitive/broad 90 80 (incidenceMeSHnoexp OR mortalityMeSH Terms OR follow up studiesMeSHnoexp OR prognosText Word OR predictText Word OR courseText Word)
prognosis specific/ narrow 52 94 (prognosTitle/Abstract OR (firstTitle/Abstract AND episodeTitle/Abstract) OR cohortTitle/Abstract)
clinical prediction guides sensitive/broad 96 79 (predicttiab OR predictive value of testsmh OR scortiab OR observtiab OR observer variationmh)
clinical prediction guides specific/ narrow 54 99 (validationtiab OR validatetiab)
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EBM Unfiltered Resour ??
Save filter as (??) Query Terms (????)
Therapy?RCTs Therapy/NarrowFilter
Therapy?Clinical Trials Therapy/BroadFilter
Diagnosis/Broad Diagnosis/NarrowFilter
Prognosis /Broad Prognosis/BroadFilter
Etiology /Broad Etiology/BroadFilter
Qualitative /Broad interviewtiab OR psychologyshnoexp ORhealth services administrationmesh
?
?
??????(??Costs, Economics, Clinical Prediction
Guides) ?? http//hiru.mcmaster.ca/hiru/HIRU_Hedg
es_MEDLINE_Strategies.aspx
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Thanks for your attention