← Back to guidelines
Cardiology1 paper

Acute pandysautonomia

Last edited: 4/23/2026

Overview

Acute pandysautonomia is a rare condition characterized by widespread dysfunction of the autonomic nervous system, often presenting initially with ocular symptoms such as premature presbyopia and anisocoria, progressing to generalized autonomic failure 1.

Diagnosis

  • Initial Ocular Manifestations: Premature presbyopia and anisocoria 1.
  • Diagnostic Testing:
  • - Pharmacologic testing of pupils showing no mydriasis to cocaine or hydroxyamphetamine, and hypersensitivity to epinephrine, methacholine, and pilocarpine, indicating postganglionic autonomic neuropathy 1.
  • Clinical Evolution: Progressive development of generalized autonomic dysfunction over months to years 1.
  • Management

  • No Specific Doses Mentioned: Focus on supportive care and symptom management.
  • Symptom-Specific Treatments:
  • - Orthostatic Hypotension: Use of fludrocortisone or midodrine as needed 1. - Pupillary Paralysis: No specific pharmacological treatment noted; management is supportive 1.

    Special Populations

  • No Specific Data Provided: Abstracts do not cover pregnancy, pediatrics, elderly, or comorbidities 1.
  • Key Recommendations

  • Conduct pharmacologic testing of pupils, including cocaine, hydroxyamphetamine, epinephrine, methacholine, and pilocarpine, to assess postganglionic autonomic neuropathy (Evidence: Moderate) 1.
  • Implement supportive care measures tailored to symptomatic management, such as fludrocortisone for orthostatic hypotension (Evidence: Expert opinion) 1.
  • Monitor and manage progressive symptoms over time, recognizing the chronic nature of the disease course (Evidence: Expert opinion) 1.
  • References

    1 Yee RD, Trese M, Zee DS, Kollarits CR, Cogan DG. Ocular manifestations of acute pandysautonomia. American journal of ophthalmology 1976. link90356-1)

    Original source

    1. [1]
      Ocular manifestations of acute pandysautonomia.Yee RD, Trese M, Zee DS, Kollarits CR, Cogan DG American journal of ophthalmology (1976)

    HemoChat

    by SPINAI

    Evidence-based clinical decision support powered by SNOMED-CT, Neo4j GraphRAG, and NASS/AO/NICE guidelines.

    ⚕ For clinical reference only. Not a substitute for professional judgment.

    © 2026 HemoChat. All rights reserved.
    Research·Pricing·Privacy & Terms·Refund·SNOMED-CT · NASS · AO Spine · NICE · GraphRAG