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DNP 820 Topic 3 Discussion Question Two

DNP 820 Topic 3 Discussion Question Two

 

Research can take between 10-20 years to be translated into practice. Discuss your thoughts on the reasons why this may occur and describe the barriers within your own practice that prevent you from practicing from a 100% evidence base.

When searching for evidence-based information, one should select the highest level of evidence possible–systematic reviews or meta-analysis. Systematic reviews, meta-analysis, and critically-appraised topics/articles have all gone through an evaluation process: they have been “filtered”.

Information that has not been critically appraised is considered “unfiltered”.

DNP 820 Topic 3 Discussion Question Two

DNP 820 Topic 3 Discussion Question Two

As you move up the pyramid, however, fewer studies are available; it’s important to recognize that high levels of evidence may not exist for your clinical question.  If this is the case, you’ll need to move down the pyramid if your quest for resources at the top of the pyramid is unsuccessful.

 

  • Meta-Analysis  A systematic review that uses quantitative methods to summarize the results.
  • Systematic Review    An article in which the authors have systematically searched for, appraised, and summarised all of the medical literature for a specific topic.
  • Critically Appraised Topic     Authors of critically-appraised topics evaluate and synthesize multiple research studies.
  • Critically Appraised Articles  Authors of critically-appraised individual articles evaluate and synopsize individual research studies.

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  • Randomized Controlled Trials  RCT’s include a randomized group of patients in an experimental group and a control group. These groups are followed up for the variables/outcomes of interest.
  • Cohort Study  Identifies two groups (cohorts) of patients, one which did receive the exposure of interest, and one which did not, and following these cohorts forward for the outcome of interest.
  • Case-Control Study  Involves identifying patients who have the outcome of interest (cases) and control patients without the same outcome, and looking to see if they had the exposure of interest.
  • Background Information / Expert Opinion   Handbooks, encyclopedias, and textbooks often provide a good foundation or introduction and often include generalized information about a condition.  While background information presents a convenient summary, often it takes about three years for this type of literature to be published.
  • Animal Research / Lab Studies  Information begins at the bottom of the pyramid: this is where ideas and laboratory
    research takes place. Ideas turn into therapies and diagnostic tools, which then are tested with lab models and
    animals.

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