Session 6 CRT - How to Approach the Literature Review...

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Unformatted text preview: How to Approach the Literature Review Literature C507 Scientific Writing Session 6 The Review The The well-conceived review written after The careful and critical assessment of the literature is a valuable document. literature The Review The The review differs in structure from the The research paper and the case report, which have formats that generally parallel the sequence of critical argument. sequence The Review The A well-conceived review answers a well-conceived question for the reader question The question should be made clear at the The beginning of the review beginning Types of Reviews Types Narrative (Descriptive) review Systematic review Quantitative Systematic review (meta- analysis) Narrative Review Narrative Three types of narrative review Editorial Commentary Narrative Overview Reasons for a Narrative Review Reasons Are useful educational articles since they Are bring many pieces of information together into a readable format. Helpful in presenting a broad perspective Helpful on a topic. on Can describe the history or development Can of a problem or its management. of Challenges to the Narrative Review Challenges Falling into disfavor due to lack of Falling systematic methods used to construct the review. review. Methods are typically not delineated. Methods Sources are often biased, choices are Sources subjective and explicit inclusion criteria are not usually published. not Challenges to the Narrative Review Challenges Conclusions can be biased as a result. Expert narrative reviews have been shown Expert to be even more biased that those by nonto experts (and then are cited by others in experts any event- creating a cascade of poor science). science). Are a weak form of evidence to use for Are making clinical decisions making The Solution The Do a systematic search of the literature Use a step-by-step methodology to locate Use all relevant articles on the topic all Delineate inclusion criteria Review each paper in a systematic way, Review with several independent reviewers if possible possible Rate the papers using a scoring system Writing the Review Writing Step by Step Preparation Interesting topic Doable project Get help What to Do What Perform a preliminary review of the Perform literature. The review should do the following: Present information written using the required Present elements for a narrative review elements Be well structured Synthesize the available evidence Convey a clear message Title Title Title should be interesting and should Title clearly describe the topic being reviewed. clearly It should be as specific as it can be. Abstract Abstract Recall the headings for the abstract: Objective Data Sources Data Selection Data Synthesis Results Conclusion Introduction Introduction Clearly state the research purpose or Clearly focus focus Make the case for the need or importance Make of the study of Define any unusual terms or words that Define are essential to understanding the information in the paper information “Methods” It is best to put this in the form of the It Discussion if this is not a systematic review; if it is, do use Methods and results section. section. Data Sources Data You must report the databases that you You use, along with key terms you select to help locate paper. Data Bases Data MEDLINE HEALTHSTAR MANTIS ERIC AMED CINAHL EMBASE SPORT Discus Current Contents Cochrane Cochrane DARE Search Terms and Delimiting Search You must set specific parameters Be clear on your search terms Understand that terms we use in chiropractic Understand may not allow you to do searching in medical databases databases Understand that terms used in medicine may Understand not have the same meaning as they do in chiropractic, ie, subluxation, for one chiropractic, Selection Criteria Selection Describe the selection criteria in detail Inclusion criteria Age range English language vs. all languages RCTs only? Certain outcomes must be included? Exclusion criteria should also be listed Discussion Discussion Synthesis You need to figure out how to structure and You summarize what has been reviewed. summarize You need to find a way to keep track of what You you read, ie, perhaps use an evidence table you Major areas of agreement and disagreement Major should be discussed should You should provide your own interpretation of You the literature the Limitations Limitations You should address weak points of your You study and mention areas for improvement. Also, have a colleague or two review it and Also, offer criticism. Conclusion Conclusion The conclusion should provide a tie-in to The the purpose, the major conclusions drawn from the overview and directions for future research. A clear and concise summary of the major clear findings of the overview should be provided. Specific directives for new research should Specific be proposed. be Other Issues Other We will talk later about: Acknowledgements References Tables Figures ...
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This note was uploaded on 01/03/2012 for the course CLIN 51507 taught by Professor Long during the Fall '11 term at Palmer Chiropractic.

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