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Our inequitable, inefficient, oftentimes uncaring health care "system," revealed. -- Jeffrey G. Kaplan, M.D., M.S.

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What is Evidence Based Medicine?

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The Best Available Evidence Does Not Dictate How Medicine is Practiced. In other words, the average patient does not dictate a rule, a protocol or a practice standard.

Clinicians are hyper-individualistic to a fault, only sometimes following peer-reviewed, published guidelines. Guideline developers need to be sensitive to that and to achieve buy-in, they should rethink their goals and objectives. "In addition to summarizing the evidence, developers, perhaps in partnership with implementation scientists, should consider barriers, explore theories of change, and suggest ways to implement guidelines at the bedside."  In my opinion (over 30 years as a physician executive and the developer of a computerized pateiet record in the mid '80's, guidance needs to be available at the point of contact with the patient.  It may take the form of heuristicsrule-based logic–'If I do that, this may happen,' feedback about past decisions (processes of care) and results (outcomes of case mix-adjusted episodes of care).
 
Five strategies could help promulgate guidelines. Consequently, guideline developers should:
  1. "include a prioritized checklist of important interventions with the greatest evidence for benefit to patients at the lowest risks and costs." 
  2. "with implementation scientists, [they] could help clinicians identify and mitigate barriers to guideline use and share successful implementation strategies."
  3. "collaborate to integrate guidelines for conditions that commonly coexist. ...However, these checklists have not been collated and integrated into a care plan or daily workflow to reliably ensure delivery of the practices."6
  4. "rely on systems, rather than the actions of individual clinicians, to ensure patients receive recommended therapies.....the ecosystem will be [enhanced by] software applications, written on an interface platform, linking the EMR to multiple devices, creating an information ecosystem."
  5. "create transdisciplinary teams and pool expertise from clinical epidemiology (evidence synthesis), implementation science, and systems engineering to develop scholarly guidelines with practice strategies."
  • Peter J. Pronovost, MD, PhD.."Enhancing Physicians’ Use of Clinical Guidelines." JAMA. Published online December 05, 2013. doi:10.1001/jama.2013.281334

The Best Available Information (Abstract)
 
The proposed practice of "evidence-based medicine," which calls for careful clinical judgment in evaluating the "best available evidence," should be differentiated from the special collection of data regarded as suitable evidence. Although the proposed practice does not seem new, the new collection of "best available" information has major constraints for the care of individual patients. Derived almost exclusively from randomized trials and meta-analyses, the data do not include many types of treatments or patients seen in clinical practice; and the results show comparative efficacy of treatment for an "average" randomized patient, not for pertinent subgroups formed by such cogent clinical features as severity of symptoms, illness, co-morbidity, and other clinical nuances.
 
The intention-to-treat analyses do not reflect important post-randomization events leading to altered treatment; and the results seldom provide suitable background data when therapy is given prophylactically rather than remedially, or when therapeutic advantages are equivocal. Randomized trial information is also seldom available for issues in etiology, diagnosis, and prognosis, and for clinical decisions that depend on pathophysiologic changes, psychosocial factors and support, personal preferences of patients, and strategies for giving comfort and reassurance. The laudable goal of making clinical decisions based on evidence can be impaired by the restricted quality and scope of what is collected as "best available evidence." The authoritative aura given to the collection, however, may lead to major abuses that produce inappropriate guidelines or doctrinaire dogmas for clinical practice.

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