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Therapy of myasthenic crisis
J Berrouschot1, I Baumann, P Kalischewski
1Department of Neurology, University of Leipzig, Germany.
Critical Care Medicine
|July 1, 1997
Summary
This study found no significant difference in treatment effectiveness for myasthenic crisis, emphasizing careful cardiac monitoring for all patients. All three regimens, including pyridostigmine and plasma exchange, proved effective.
Area of Science:
- Neurology
- Critical Care Medicine
Background:
- Myasthenic crisis, characterized by acute respiratory failure requiring mechanical ventilation, presents a significant challenge in managing myasthenia gravis.
- Understanding the incidence, causes, and clinical course of myasthenic crisis is crucial for optimizing patient care.
Purpose of the Study:
- To determine the frequency, causes, and characteristics of myasthenic crisis.
- To compare the efficacy of three therapeutic regimens: pyridostigmine, pyridostigmine plus prednisolone, and plasma exchange.
Main Methods:
- A population-based retrospective study was conducted from 1970 to 1995 at a university hospital specializing in myasthenia gravis.
- Data from 44 patients experiencing 63 myasthenic crises were analyzed, with treatments including pyridostigmine, pyridostigmine with prednisolone, and plasma exchange.
Main Results:
- No significant differences were observed between the treatment groups regarding ventilation duration, complications, or outcomes at intensive care release and 3-month follow-up.
- Severe cardiac arrhythmia occurred in 17% of patients, leading to fatal outcomes in six cases.
Conclusions:
- All three evaluated therapeutic regimens for myasthenic crisis demonstrated comparable effectiveness.
- Treatment choice should be guided by prevailing clinical circumstances, with a strong emphasis on vigilant cardiac monitoring and readiness for temporary pacing.