tailieunhanh - Lecture Finding the best evidence

This lecture includes these contents: Learning through play, ebm and systematic review, using the question to guide searching, combining terms with boolean operators,. Invite you to consult this lecture. | Step Two Finding the best evidence 1. Walk through one 2. Do own searches Learning through play Try all “buttons” Make lots of “mistakes” Have fun EBM and Systematic Review EBM (quick & dirty) Steps Answerable Question Search Appraise Apply Time: 90 seconds HIDE Using the question to guide searching Scenario - You are interested in checking the hearing of elderly patients, and have heard that the ‘whispered voice test’ is good. Question Population – in elderly patients does Indicator – a ‘poor’ whispered voice test Comparator – a ‘normal’ whispered voice test Outcome – predict poor hearing (audiogram) Underline the (root of the) key terms Number the order of importance from 1-4 Think of alternate spellings, synonyms, & truncations 1 2 3 HIDE * Means any other letters AND means both terms required Check the question type Check the emphasis Stepwise searching Search with #1 PICO item Whisper* Then go to “Clinical . | Step Two Finding the best evidence 1. Walk through one 2. Do own searches Learning through play Try all “buttons” Make lots of “mistakes” Have fun EBM and Systematic Review EBM (quick & dirty) Steps Answerable Question Search Appraise Apply Time: 90 seconds < 20 articles This patient survives! Systematic Review Steps Answerable Question Search ++++ Appraise x 2 Synthesize Apply Time: 6 months < 2,000 articles This patient is dead Find a systematic review!! Start up Start Explorer and enter Put on CAPS lock So that AND and OR are in CAPITALS Start 2nd Explorer window, enter Using the question to guide searching Scenario - You are interested in checking the hearing of elderly patients, and have heard that the ‘whispered voice test’ is good. Question Population Indicator (intervention, test, etc) Comparator Outcome Using the question to guide searching Scenario - You are interested in checking the hearing of elderly patients, and have heard that .