How To Do A Systematic Literature Review

Before a search can be performed, it is crucial that the research question is explicitly defined. Systematic searches should aim to search as many different sources as possible.

There are many ways to do this, but the most common method is to divide your question according to the Patients, Interventions, Comparisons and Outcomes (PICO) model. This can be broken down into the following: Online databases* (this will be the major area for medical literature searches) Books/physical literature Grey literature* (this refers to unpublished material/published in a non-commercial form) Ongoing trials (clinicaltrials.gov) Humans Animals Other *The following databases are useful for clinical systematic reviews: Psych INFO – key database for mental health literature MEDLINE – large medical database EMBASE – large medical database SCOPUS – includes many scientific disciplines Cochrane Library – high-quality evidence Web of Science – includes many scientific disciplines CINAHL – includes biomedicine, healthcare, nursing and allied health articles *Examples of grey literature databases include: Open Grey Copac When searching online databases, the terms and their synonyms for each of the components of the PICO model must be written out, including abbreviations.

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It can seem confusing or difficult and is often substituted for a more manageable, less rigorous search.

The following checklist should provide a clear framework for those wanting to ensure their search is truly systematic.

Let’s imagine we want to conduct a systematic review to assess the effect of primary percutaneous coronary intervention (PCI) versus streptokinase on mortality in myocardial infarction (MI) patients.

As you can see, each line represents a synonymous term that is searched for, with the corresponding number of articles found in the results column.

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  • Tips and tricks in performing a systematic review
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    To address the first point, a systematic review is a systematic search of literature through designated and clearly defined sources, followed by systematic data analysis and explanation. It differs from a literature review because a literature review may only include articles that the authors know about and that support their beliefs.…

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    A systematic literature review is often the first and essential step in the research process. A rigorously conducted literature review will help you to Determine what is already known about your proposed research topic /question Appraise the quality of the research evidence Synthesise the research evidence from studies of the highest quality…

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    SYSTEMATIC REVIEW Systematic reviews aim to address these problems by identifying, critically evaluating and integrating the findings of all relevant, high-quality individual studies addressing one or more research questions. A good systematic review might achieve most or all of the following Baumeister & Leary, 1997; Bem, 1995; Cooper, 2003…

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    Systematic reviews and meta-analyses a step-by-step guide. assessment of the validity of the findings of the included studies e.g. risk of bias systematic presentation, and synthesis, of the characteristics and findings of the included studies It is essential that each review is approached rigorously and with careful attention to detail.…

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    How to Write a Systematic Review. Systematic Literature Review, sometimes known as systematic reviews, are associated with evidence-based healthcare practice, the idea that nursing and related healthcare disciplines should be grounded in the most up-to-date and accurate research evidence. However, they are increasingly used in other areas.…

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    The distinction between a systematic literature review and a literature review can often be confusing. This video distinguishes between the two and summarizes the process involved in conducting a.…

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    When faced with any question, being able to conduct a robust systematic review of the literature is an important skill for any researcher to develop; allowing identification of the current literature, its limitations, quality and potential.…

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