asking a searchable, answerable question evidence-based practice in clinical practice
TRANSCRIPT
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Asking a Searchable, Answerable Question
Evidence-Based Practice in Clinical Practice
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Crossing the Quality Chasm
5 Core Competencies (Summit on Healthcare
Profession Education) Employ evidence-based practice Provide patient-centered care Apply quality improvement Work in interdisciplinary teams Utilize informatics
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Research…
Asks, “Does it support what we are doing?”
Generates new theory, support, evidence
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Evidence-Based Practice
Asks, “What is the research telling us?”
Asks, “What is known about a certain subject?”
Helps us make decisions about the type of care being provided
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5 Steps
PICO
P – Patient or Population I – Intervention or Interest C – Comparison Intervention or Group O – Outcome
Note: You can use this method without a Comparison
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Levels of Evidence
Level 1 From a systematic review or meta-
analysis of randomized control trial (RCT) or EB clinical practice guidelines based on systematic reviews of RCT
Level 2 From at least one well designed RCT
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Levels of Evidence
Level 3 From at least one well designed
controlled trial without randomization
Level 4 From a well-designed case control and
cohort studies
Level 5 From a systematic review of descriptive
and qualitative studies
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Levels of Evidence
Level 6 From a single descriptive or qualitative
study
Level 7 From the opinion of authorities and/or
reports of expert committees
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Evidence
Books Less reliable (become outdated quickly) Landmark books are okay
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Scenario – Asian ManA 40 year-old Asian man is admitted to the GI unit after
three days of severe nausea and vomiting. His medical and social histories are benign; the only drug he is taking is acetaminophen, 1 gram T.I.D., for a backache, reportedly attributed to a vigorous workout 3 days ago. The patient was found to have a hepatitis B infection, for which he will receive appropriate treatment.
The patient's wife tells you she has heard that Tylenol can cause liver problems, and she wonders if, given his diagnosis, her husband should ever take this drug in the future.
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Scenario – Infant Temps
You notice that infants with cardiac disease seem to experience more respiratory effort and discomfort when temperatures are taken rectally versus axillary.
You believe that axillary temperatures are just as accurate as rectal temperatures if done correctly.
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Scenario – Carrots
Parents have begun to ask you if their kids will become obese by eating baby carrots.
They watched a TV program about a boy, a body builder, who refused to eat carrots because he believed they were too high in sugar.
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Scenario – Ligament Displacement
You notice an increasing trend in children diagnosed with annular ligament displacement. Because you are concerned with their safety, you discuss the situation with the healthcare team at the clinic and discover that this is not an abuse issue.
You therefore wonder what has led to the increase in cases and are suspicious of an activity at the local fall carnival where parents pull their children through a pumpkin “tunnel.”
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Scenario – Children & Healthcare
You care for a group of children newly diagnosed with cancer. You notice certain characteristics about this group that seem to influence how they interact with their healthcare team and engage their healthcare plan.
You wonder if there is evidence that may assist you, and other members of the healthcare team, understand these children more fully.
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Forming a Therapy Question
Scenario:P
Middle aged Asian male with hepatitis – what is the effect of…
I acetaminophen compared to…
C Ibuprofen
O on liver function
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Forming a Diagnosis or Diagnostic Test Question
Scenario: Are (I) Axillary temps, compared to (C) Rectal temps, more accurate in diagnosing (O) fever in (P) Infants with cardiac disease?
What is the topic of focus?
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Forming a Prevention Question
Scenario: In (P) Adolescent teens, does the eating of (I) carrots or baby carrots compared to (C) broccoli (or other low-glycemic
vegetable) increase the risk of (O) high blood sugar?
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Forming a Prognosis Question
Scenario: In toddlers who have (P) annular
ligament, does (I) intervention influence (O) displacement?
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Forming a Scenario: Meaning
Scenario: How do school aged children (P) with newly diagnosed cancer (I) Perceive hospitals, nurses, etc. (O)
What is the interest?
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Content Validity Formulate a well built question Determine the type of study design that
would best answer the question Using PICO, search keywords or subjects Combine and further limit searches by
English/human/gender/age Apply inclusion/exclusion criteria
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References
Fineout-Overholt, E., Baldwin, C. M., & Greenberg, E. A. (2004). Using evidence-based practice for clinical decision making in the holistic nursing process. Retrieved March 21, 2006, from http://www.ahna.org/Portals/4/docs/Research/Evidence%20Based%20Practice.pdf
Melnyk, B. & Fineout-Overholt, E. (2004). Evidence-based practice in nursing and healthcare: A guide to best practice. Philadelphia: Lippincott Williams & Wilkins.
National Guideline Clearinghouse. (2006). Retrieved March 21, 2006, from http://www.guideline.gov/