Clinical Practice Guidelines – nursing homework essays

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  Lesson14Fall2018_print.pdf

Critical Appraisal of Systematic Reviews: Where Do You Start?

Critical Appraisal of Systematic Reviews: Where Do You Start?

Objectives: After the presentation the student will be able to:

1. Recognize the value of systematic reviews in clinical practice 2. Understand the methodology of Systematic Reviews 3. Applied previous knowledge to identify the parts of a systematic review. 4. Organized the steps to conduct a systematic review. 5. Appraise Systematic Reviews based on it’s validity, and applicability to practice

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Systematic Reviews

A review in which evidence on a topic or research question has been systematically identified, appraised and summarised according to predetermined criteria. Systematic reviews may incorporate metaanalysis, but don’t have to.

High-quality systematic reviews are considered the best possible sources of evidence for evaluating treatment effectiveness.

Meta-analysis A statistical technique. Summarises the results of several studies into a single estimate, giving more weight to larger studies.

Publication bias When only studies with positive results are published, not the neutral or negative studies. If only published studies are included in a systematic review, it may overestimate the effect of the treatment or intervention.

Critical Appraisal of Systematic Reviews: Asking the Right Questions

A critical appraisal is basically a detailed examination of published research for the purpose of making a decision about scientific merit and, therefore, for making a decision about the use of the evidence in practice.

What is a Critical Appraisal?

Critical appraisal is also known as a research or evidence critique. Critiquing the literature, appraising the literature, or critically evaluating the literature are phrases that refer to a deliberate examination of a published research study and making a judgment as to the validity of its methods, importance of the question and results, and application to practice. A critical appraisal is basically a detailed examination of published research for the purpose of making a decision about scientific merit.

 

Critical Appraisal Steps A critical appraisal of a systematic review starts with asking questions about each of the which are related to validity and reliability of the methods used to produce the systematic review; the meaning and importance of the synthesized recommendations; and, finally, the ability to translate the findings into clinical practice.

There are critical appraisal tools available to specifically appraise systematic reviews that you can find from a variety of organizations.