High altitude cerebral edema

(Redirected from HACE)

Background

  • Also known as HACE
  • Progressive neurologic deterioration in someone with AMS or HAPE (due to ↑ ICP)
  • Almost never occurs at <8000ft

Clinical Features

Differential Diagnosis

High Altitude Illnesses

Evaluation

  • Clinical diagnosis

Management

High altitude management algorithm.
  • Immediate descent is the treatment of choice
  • If descent not possible use combination of:
    • Supplemental O2 (goal SpO2 90%)[1]
    • Supportive hyperventilation
    • Dexamethasone 8mg initially, then 4mg q6hr
    • Acetazolamide 250mg BID (better as ppx)
    • Hyperbaric bag (Gamow bag) if available

Prevention

See Also

References

  1. Hackett PH, Roach RC. High altitude cerebral edema. High Alt Med Biol 2004; 5:136-146.

Authors:

Ross Donaldson