• Save
Literature search
Upcoming SlideShare
Loading in...5
×
 

Literature search

on

  • 2,053 views

2007 Dec 22 @ Taichung CSH

2007 Dec 22 @ Taichung CSH

Statistics

Views

Total Views
2,053
Slideshare-icon Views on SlideShare
2,029
Embed Views
24

Actions

Likes
1
Downloads
0
Comments
0

2 Embeds 24

http://dr3939.twbbs.org 22
http://dr3939.wordpress.com 2

Accessibility

Categories

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

Literature search Literature search Presentation Transcript

  • 實證醫學 – 查 2007 Dec. 22 @ 中山大學附醫 基隆長庚.楊宗翰醫師 實證醫學中心 & 風濕過敏免疫科 http://ebm.twbbs.org/
  • Five Steps
    • Ask
    • Acquire (Search)
    • Appraise
    • Apply
    • Audit
  • Ask / 問
    • 精確( specific )的問題
      • 可以 被回答 (answerable)
      • 可以 被搜尋 (searchable)
    • P
    • I
    • C
    • O
  • Appraise
    • Appraised by yourself …
      • Time consuming
      • Original articles
    • Appraised by authorized specialists
      • Systems, Synopses, Synthesis
      • Review articles (narrative, systematic, EBM review)
    Dave Sackett
  • Acquire / 查
  • Acquire / 查
    • 建構檢索策略
      • Ovid Medline or Pubmed
    • 選擇資料庫
    • 實例
  • 搜尋策略 1 - Question
    • 那種問題?
      • Foreground or Background
    • 那類問題?
      • Frequency (incidence or prevalence)
      • Diagnosis
      • Harm (etiology or risk factors)
      • Prognosis (natural history)
      • Treatment (intervention)
    • 最佳解決方案(研究方法)!
    • 決定 Keywords
      • 縮寫
        • AMI, BPH, CAP , CAD
        • DM , IDA , MM , SLE
      • 中文 > 英文
        • 漢英字典(非醫學 & 醫學)
      • Results from searches
    搜尋策略 2 - Keywords
  •  
  • Keywords or Index Terms
    • keywords
      • truncation ($/*; Salmonell* or child$)
    • indexed terms
      • MeSH (Medline/Pubmed)
      • CINAHL Index Terms (CINAHL)
      • EMTAGs (EMBASE)
    • automatic term mapping (ATM)
  •  
  • Keywords or Index Terms
    • Definition
      • Neoplasms
        • cancer, carcinoma, tumor
      • atherosclerosis
        • arteriosclerosis
        • arteriolosclerosis
    • Relevance (focus or explode)
  • Atherosclerosis
  • 1 2 3 2 1 3
  • MeSH ...
    • Most human beings on the planet who are not librarians don't know anything about how to search with MeSH.
      • John Sack, the director of HighWire Press.
    NEJM 2005;354:1:4-7
  • 搜尋策略 3 - Hedges
    • 1 concept or keyword a line (an entry)
    • P & I more important, use C & O to narrow down results
    • OR & AND
    • NEAR, ADJ …
    • ! NOT
  • 搜尋策略 4 - Filters
    • 最佳解決方案
    • Quality filters & Limit
      • clinical query
      • methodology (publication type) filters
      • x English, full text, review
  • Current Best Evidence
  • Filters - limit
    • therapy, diagnosis, prognosis, etiology, qualitative studies
    • review, clinical prediction guides, costs, economics
    • sensitivity, specificity, optimized
  • Acquire / 查
    • 建構檢索策略 - Questions
      • keywords > + MeSH > hedges > filters
    • 選擇資料庫
    • 實例
  • 49 & 42 個選擇
  • 36 個選擇
  • 推薦 10 個 http://ebm.twbbs.org/
  • One
  • Best Solution!
    • 定期更新
    • 資料來源
    • 簡單易用
    • 更好
    • 更聰明
    • 更簡單
  • Acquire - Which & Why?
    • Contents
    • How to search?
    • Results of search?
    • Google
    • MSN
    • Yahoo
  • Acquire - Which & Why?
    • Contents (original, EBM review, review)
    • How to search?
      • Keywords OR thesaurus/MeSH
        • Synonymy/acronym;
        • Query interpretation (heart attack cancer)
      • Search strategy
        • Boolean logics (AND/OR/NOT/NEAR)
        • Categories & filters (quality & publication types)
      • Search refinements
        • Diagnosis, Differential diagnosis, etiology, pathogenesis, prognosis, signs, symptoms, treatment
        • Population, disease entity (hypertension – pregnancy, portal, pulmonary, renal…)
    • Results of search?
      • Numbers of results – sensitive or specific
      • The order of results – time (current), relevant (best?), clinically appropriate (definition?)
  • http://ebm.twbbs.org/
  • Contents – 5s
    • Original articles
      • Medline (citation)
      • Core clinical journals (full text)
    • EBM reviews
      • Systematic reviews …
      • Guidelines
    • Reviews
      • Textbooks
      • Review articles
    • 更新頻率
    • Cochrane library
    • Clinical Evidences
    • EBM synopses
    • Uptodate & DynaMed
    • ACP medicine & PIER
    • [email_address]
  • All in One
    • MD Consult
    • Clinical Resources @ OVID
      • Clin-eguide
  • … Peer review journal Review ? (Clin-eguide ?) ? (Clinics – 1 month) Update … Drug – F&C Dx Info Patient education, … Drug - Gold Standard More Semantic or Traditional Smarter, Easier, Better Search & Result Books ($, 61) Clin-eguide Textbook ( 51 ) Review (Clinics – 35 ) First Consult Reviews All EBMR (Cochrane, DARE, ACP …) & Guidelines (2) EBM Journal (?3) Guidelines EBM reviews Medline & CINAHL Full text ($) Medline Core Journals ( 53 ) Original articles [email_address] MD Consult Contents
  • Critical Appraisal for DBs 建構檢索策略 > 選擇資料庫 > 實作 Case 1 – 胃內水球 & 肥胖 Case 2 – Extra & 蛀牙
  •  
  • Summary - Acquire / 查
    • 建構檢索策略
      • keywords > + MeSH > hedges > filters
    • 選擇資料庫
      • content > search > result
    • 實例
      • Case 1 – 胃內水球 & 肥胖
      • Case 2 – Extra & 蛀牙
  • Current Best Evidence
  •  
  •  
  • Summary
    • Contents (original, EBM review, review)
    • How to search?
      • Keywords OR thesaurus/MeSH
      • Search strategy
      • Search refinements
    • Results of search?
      • Numbers of results
      • The order of results
  • One
  • Databases
    • Background questions
      • Reviews
        • MD Consult (Textbooks, Clinics)
        • Ovid (Books@Ovid, Journals@Ovid)
        • Uptodate
    • Foreground questions
      • High quality topics review in Clinics, Textbooks & Uptodate (may not be EBM style)
      • First Consult, Clin-eguide (Ovid), ACP Pier, Dynamed
      • EBM-style review or CATs
      • Hand searches
  • Acquire / 查
    • 建構檢索策略
    • 選擇資料庫
  • Summary - Acquire / 查
    • formulate your question
    • choose the appropriate database
    • select the best Medical Subject Headings (MeSH or index terms) and textwords to describe your topic
    • search each concept separately
    • combine the terms or sets
    • limit your retrieval to appropriate references.