1. 0
    Do your guys neuro Icus use sbp or map for goals when say triple Hing. Since cpp is map - icp... Why do we use sbp for goals. I've seen them order keep sbp > 200.

    So what do you use in Neuro? Sbp or map?

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  3. 10 Comments...

  4. 0
    There are a lot of times where a neurologist will not want to treat the BP until the SBP >180 or even >200, such as in cases of ischemic stroke...lowering the BP too much would deprive the brain of blood, O2 and nutrients.

    I don't work on a neuro floor but all of our docs go by "Keep MAP >____" as opposed to the SBP.
  5. 0
    Good question. It could be an institutional preference. We cover our hospital's Neuro/Neurosurgey ICU's as an intensivist consult service and I also notice that our Neurosurgeons and Neurovascular physicians also prefer to use SBP in driving the hypertension goals for patients on Triple H Therapy. There is no clear answer why. There are studies on cerebral hemorrhage that used SBP in determining what the BP goal is as far as blood pressure lowering but I haven't found an overwhelming preference to SBP with Triple H. In fact, I found a review article that actually surveyed practices among Neurocritical Care Society members and the respondents were split on either using MAP (52%) and using SBP (49%). Clearly, there doesn't seem to be a consensus on this yet.

    See this article for details:
  6. 0
    Great post.

    Are you a neuro critical care team? Again, it just doesn't make sense when your cpp is calculated via map.

    The reason I ask is that we have put people on phenylephrine, norepinephrine, vasopressin, and epinephrine to reach ridiculous map goals via sbp (and most time neurosurgeons won't believe our artlines) while these patients maps are in the 140s to maintain a sbp 180-200.

    Micu goals are maps usually greater than 55-65.

    Cticu keeps there heart maps 60-80 post op.

    Sicu uses maps.

    Just seems like a much more definitive number.
  7. 0
    I'm an ACNP working for a group of intensivists in multiple ICU's. We have a group of NP's doing this. We cover the Neuro ICU's as well as the others (Med-Surg ICU and Cardiac ICU).

    I hear you. If anything MAP's are more consistent. Many times arterial line and non-invasive BP's vary but the MAP's tend to be consistent.
  8. 0
    MAP is a more consistent measurement and is the better perfusion indicating metric. BP is dynamic, but overpressure injury in neuro is going to come from the peak overpressure, SBP. So I'd imagine that the parameters are built upon the measurement reflecting the problem being addressed, promoting cerebral perfusion vs protecting against anyeurism/hemmorage. Or so I understand it... someone tell me if I am way off.
  9. 1
    Summit, that makes sense in the general scheme of things in terms of microvascular injury to brain tissue and hemorrhage risk. Many studies in stroke and aneurysmal bleeding recommend SBP measurements as the goal. There are even new studies that say that a high SBP in adults is a precursor to later cognitive issues in older age. However, I thought the OP was specifically asking about Triple H, a therapy which is used in secured anuerysms where the active issue is vasospam and no longer bleeding.
    SummitRN likes this.
  10. 0
    I was only asking about triple H therapy for vasospasm patients.

    I think we would have better cardiac outcome with the same neuro outcome if we used maps. A lot of times these patients require 5 pressors and inotropes to get the patients sbp to 200. Meanwhile there ef goes from normal to 20% fast.
  11. 0
    We used MAP when we do hhh therapy in yhe neuro icu I worked in. MAP is most consistent. Our goals were usually 80-130.
  12. 0
    On my NSICU we use sbp unless the patient had a ventric or Codman placed in which case our neuro surgs use cpp parameters.

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