How algorithm driven medicine can affect patient care

Whenever someone is scheduled for an operation, the assigned nurse is required to fill out a “pre-op checklist” to ensure that all safety and quality metrics are being adhered to. Before the patient is allowed to be wheeled into the OR we make sure the surgical site is marked, the consents are signed, all necessary equipment is available, etc. One of the most important metrics involves the peri-operative administration of IV antibiotics. SCIP guidelines mandate that the prophylactic antibiotic is given within an hour of incision time to optimize outcomes. This has been drilled into the heads of physicians, health care providers, and ancillary staff to such an extent that it occasionally causes total brain shutdown.

Let me explain. For most elective surgeries I give a single dose of antibiotics just before I cut. For elective colon surgery, the antibiotics are continued for 24 hours post-op. This is accepted standard of care. You don’t want to give antibiotics inappropriately or continue them indefinitely.

But what about a patient with gangrenous cholecystitis or acute appendicitis? What if, in my clinical judgment, I want to start the patient on antibiotics right away (i.e. several hours before anticipated incision time) and then continue them for greater than 24 hours post-op, depending on what the clinical status warrants? I should be able to do that right?

Well, you’d be surprised. You see, at two different, unaffiliated hospitals I cover, the surgeons have seen that decision-making capability removed from their power. If a young patient comes in with acute appendicitis and I feel that it would be prudent to continue the Zosyn an extra couple of days, an automatic stop order is triggered in the department of pharmacy and the antibiotic is stopped after 24 hours, no matter what. Unless the surgeon specifically writes “please do not stop this antibiotic after 24 hours; it is being administered for therapeutic purposes, not prophylaxis,” the antibiotic will not be sent to the patient’s floor for administration. As a result, patients end up being treated sub-optimally, and potentially harmed, due to an over-emphasis on “protocol” and “quality care metrics.”

Similarly, the 60-minute timeline for pre-operative antibiotic administration can be problematic. I have had patients come into the ER with appendicitis or cholecystitis and, in my pre-op orders, write for Zosyn or whatever, to be started ASAP, no matter what time the operation is scheduled. Not too long ago, I admitted a gallbladder over the phone at 2am. I gave the nurse admitting orders which included one for a broad spectrum antibiotic.

When I saw the patient in the morning, I added her on to the OR schedule. By the time a room opened up, it was about 10:30am. The OR nurse asked me if I wanted to give an antibiotic for the case. I told her that the patient was already on antibiotics as part of her admit orders for treatment. The nurse shook her hand. It had never been given; the floor nurse held it so that it wasn’t administered until 60 minutes before the scheduled OR time, just like the algorithm dictates — despite the fact it had been ordered nearly 8 hours prior to the case, not for peri-op prophylaxis, but for treatment of an established pathology. And there it was, the cefotetan, hanging on her IV stand. Now nothing bad happened, but here you have a situation where health care providers are so terrified of violating Quality Assurance Protocol that they end up withholding necessary treatment. It’s just astounding.

As surgeons, we have bitched and moaned. You would think that these issues would be quickly rectified. But no. It is the responsibility of the surgeon to write qualifying statements for therapeutic antibiotics because the default mode is to override a licensed physician’s clinical judgment. This is what I’m talking about when I say that blind allegiance to a top-down, systems analysis-driven algorithm can turn everyone involved in health care into a bunch of mindless drones.

Jeffrey Parks is a general surgeon who blogs at Buckeye Surgeon.

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