NEXUS and CCR "clear" a C-spine w.r.t. imaging need.
Selective spinal motion restriction protocols "clear" a C-spine w.r.t. splinting need.
Well, here's the thing......
When does a patient need to be "cleared" of an injury? Only when there was significant suspicion that the injury may exist in the first place.
And if there was significant suspicion in the first place, I'm not sure that I as a paramedic want to be the one to state, definitively, that such an injury doesn't exist. Which is exactly what you are doing when you say "I cleared the c-spine".
On the other hand, simply choosing not to apply cervical spinal precautions because your patient doesn't meet the criteria for that procedure (neuro deficit, neck pain, etc.), while seemingly the same in practice, is a very different approach medico-legally.
In the first approach you are basically saying "This patient suffered trauma that made a c-spine injury a possibility, but my clinical exam finds that he does not in fact have such an injury". In the second approach, you are saying "I didn't place him in c-spine precautions because he had no clinical evidence of a cervical injury". Again, they are very different things to the risk-managment folks.
The authors of the NEXUS study may have used the terminology "cleared", because they are physicians and that's what physicians do. Paramedics don't typically "clear" patients of injuries.
If someone has an MOI that indicates the potential for a femur injury, but you choose not to put a traction splint on because their is no evidence of trauma to their leg, do you chart that you "cleared" their femur? No. You just chart that there was no indication for a traction splint.
It may seem like semantics, but in the legal sense, there is a BIG difference between "clearing" a patient, and simply choosing not to perform a procedure because it isn't indicated. This was explained to me years ago by a lawyer who is also a paramedic.
Of course, one could argue that all of that only matters IF you ever get sued for not applying cervical precautions. And that is a really decent point. However, that's placing a lot of faith in the criteria, and in your ability to always implement it without error.
I'm not sure if NEXUS will ever catch on widely. There are
several studies that dispute it's validity, and x-rays are relatively easy and cheap.
I frankly do not care if they have an unstable radiological finding.
I care about clinically unstable spines.
Is there such thing as an unstable radiological finding vs. and unstable clinical finding?