Can Evidence-Based & Personalized Medicine Co-Exist?

Healthcare institutions across the country have long worked to ensure their clinicians provide care that is evidence-based. The pursuit is a noble one. Of course any care (outside of a clinical trial) that is provided to a patient should have evidence supporting its effectiveness. Increasingly providers are also concerned with its cost effectiveness. That is, is a costlier treatment truly providing benefits to allay its higher cost?
In order to ensure care provided is evidence-based and standardized, many institutions are corralling their physicians to create evidence-based care protocols that will be followed for various clinical presentations. (I should note, physicians have the opportunity to not follow a protocol when they feel its in the best interest of the patient. It can, however, create an administrative headache, and a physician must be ready to defend the decision to a group of his or her peers.)
The problem with care protocols is that the concept guiding them — standardized care — butts heads with the idea of personalized medicine. In the future, the confluence of increasing insight about the human genome and big data analysis on various treatment paths could create a multitude of care protocols that are actually relatively personalized. But, we aren’t quite there yet. And, for the time being, many physicians struggle to provide medicine that seems personalized while following standard protocols.
How is this done? I would argue it’s through ensuring shared decision-making between the physician and the patient.

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No matter what care protocol a physician is following, there are likely several points in which a path diverges. When these choices arise, it is critical that physicians take the time to help patients to make informed decisions.

This topic of evidence-based vs. personalized care came up in an excellent article I read last week by Ira Byock, MD, a palliative care physician and professor at the Geisel School of Medicine at Dartmouth. His article was included as an part of a Dartmouth Institute report on trends in end-of-life cancer care.

The study found that the percentage of cancer patients who died in a hospital vs. at home while receiving hospice care varied greatly from one in eight to one in two, depending on the facility in which the patient received care. The authors argue that the finding suggests providers’, not patients’ preferences guided when to transition to hospice care.

Dr. Byock’s column eloquently explains why this finding is so concerning: Often, patients prefer living their last days at home, if they are accurately informed about their chances of survival. He writes:

“Under the influence of the more-is-better mentality, well-intentioned clinicians and loving families can inadvertently cause people to spend previous, fleeting days at the end of a long illness in hospitals and ICUs, instead of at home or other places they would rather be.”

Dr. Byock goes on to argue that care protocols must be allowed to be adjusted to reflect patient preferences.

“The solution begins with recognizing that since cancer is personal, the “best care” must be defined one person at a time. Evidence-based treatment algorithms for specific types and stages of cancer are invaluable; however, quality requires tailoring treatments and plans of care to reflect the values, preferences, and priorities of the individual living with cancer.”

Thus, if care protocols are created that call for honest conversations between the provider, the patient and family at various milestones during the treatment of an advanced illness, care protocols could actually play a role in making healthcare more personal.

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