The Cost of “Just Rest”
One of the most frequently prescribed pieces of advice in a clinic is some version of “just rest for a while.” The advice is common for several understandable reasons. It allows the moment to pass without a large decision being made. It is easy for the patient to accept. And, above all, it looks like the safest option — it is hard to imagine a patient becoming worse because they were told to rest. Yet anyone who has seen patients over a long enough stretch of time knows that “just rest” can be, at the same time, the safest-looking advice and the one that quietly carries the highest cost.
Some kinds of pain do improve with rest. An acute lumbar strain, a mild muscle ache, the stiffness that follows a long day in the wrong posture — these are kinds of pain that time itself can treat. Other kinds, however, are not. Pain generated by a compressed nerve, pain backed by a structural change, pain in which functional loss has already begun — these do not simply return to baseline because the patient rests. Distinguishing between these two categories is part of a clinician’s work, and the phrase “just rest” defers that distinction. And deferral itself has a cost. Function erodes further. Pain signals become more deeply engraved in the nervous system. The window in which an effective intervention can act narrows.
I want to introduce a slightly different angle at this point. It is entirely natural for a patient to feel resistance toward surgery. Surgery, by its nature, is an intervention that changes the structure of one’s own body, and it would be strange if a person did not instinctively resist that prospect. That resistance deserves respect in its own right and does not need to be criticized.
But there is one more thing that a physician must consider together with the patient. There is an opportunity cost that comes with not having surgery. In working-age adults, in particular — patients whose daily lives depend on being able to work and earn — the weight of that cost is often significant. The longer a patient is unable to engage in their normal activities because of pain, the more that cost accumulates. The direct cost of extended conservative treatment, meanwhile, is itself not small. When a patient makes the decision while standing on only one of these axes — “I want to avoid surgery” — the costs on the other axis stay hidden, and the end result is often that the patient pays a larger cost later than they would have paid otherwise.
I want to be clear about something here. This is not an argument for surgery. For many patients, surgery is not the best option, and conservative treatment is clearly the right choice. But the decision not to have surgery is also a decision, and the point is that it needs to be made with information. A consultation that ends at “just rest” does not place all of the conditions of the decision in front of the patient. The costs the patient cannot see are, in the end, costs the patient pays.
What, then, is the more honest sentence a patient deserves to hear? Something closer to this. “Your pain has a certain probability of improving with conservative treatment, and that process will take approximately this much time and this much cost. Surgery would likely bring the pain down faster and allow you to return to daily life sooner, but it carries these risks and these costs. Here are the gains and losses on each of the two paths.” The decision belongs to the patient, but the information that makes a real decision possible belongs to the physician to provide. When that information is unbalanced, the patient ends up paying a cost they never knew existed.
“Just rest” is not only an instruction. It is sometimes the deferral of a decision in itself. And that deferral is, at times, the most expensive choice a patient can make. One of the quieter errors a clinician can make is not an overactive intervention, but the silence of not placing the full set of options in front of the patient. Advice that helps a patient defer the decision — because we are uncomfortable with the possibility that they might decide wrongly — can look safe without being safe.
A physician’s role is not to steer the patient onto one of the two paths, but to draw an accurate map of both. On that map, whichever path the patient chooses, the decision is theirs. But if the map itself is drawn only halfway, then what the patient made was not quite a decision — it was a decision we quietly reduced by half.
Hyun-Jin Hong, M.D., Department of Neurosurgery, Saegijun Hospital.