Wednesday, December 14, 2011

blood pressure control guidelines (head bleed, dissection, AAA)


RAGING HYPOTHETICAL:
--you have a patient with a vessel somewhere that has either ruptured or is about to
--you call the appropriate surgeon, who is on the way, but in the meantime, what can you do?


MINIMIZE THE DAMAGE:

ICH:
--lowering to SBP 140-160 probably safe
--theory: less/slower hematoma growth
--options: nicardipine (less cerebral vasospasm)

AORTIC DISSECTION:
--SBP 100-120, HR <60
--theory: reduce shear forces
--options: beta blocker (labetolol push, esmolol drip), nitroprusside

RUPTURED AAA:
--goal SBP 80-100
--theory: permissive hypotension; bleed slower, less likely to blow out the few clots they're making


Reference(s): uptodate.com: Ruptured abdominal aortic aneurysm, management of aortic dissection, Spontaneous intracerebral hemorrhage: Prognosis and treatment, Kodama K, et al. Tight heart rate control reduces secondary adverse events in patients with type B acute aortic dissection, picture

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