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Original ArticleOpen Access
Plasmapheresis or Intravenous Immunoglobulin for Myasthenia Gravis Crisis in King Chulalongkorn Memorial Hospital
Pittayanon R 
,
Treeprasertsuk S ,
Phanthumchinda K
,
Treeprasertsuk S ,
Phanthumchinda K Background: Myasthenia gravis (MG) crisis is a life-threatening and unpredictable complication of MG.
Prognosis of MG crisis has dramatically improved due to modern immunomodulation. However, the choice of
plasmapheresis or intravenous immunoglobulin (IVIG) is still a controversial issue.
Objective: Evaluate the efficacy and outcomes of MG crisis treatment with plasmapheresis or IVIG in King
Chulalongkorn Memorial Hospital (KCMH) during the past 5 years.
Material and Method: Episodes of MG crisis with respiratory failure were recruited retrospectively from
database of KCMH between 2001 and 2006.
Results: Thirty-three episodes of MG crisis with respiratory failure from 26 patients (9 males and 17 females)
were documented. Plasmapheresis and IVIG were prescribed in 21 and 9 episodes of MG crisis, respectively.
There was no statistical significant difference in baseline characteristics between both groups. The mean
duration of intubation in plasmapheresis group was 12 + 11.1 days and in IVIG group was 10.3 + 4.6 days.
The mean length of hospital stay (LOS) in plasmapheresis and IVIG were 30.7 + 29.6 days and 25.4 + 16.2
days, respectively. Hospital acquired pneumonia (HAP) occurred in four episodes (18.2%) in plasmapheresis
and 1episode (11.1%) in IVIG. There was no statistical difference in the outcome of both treatment groups. All
patients in both groups were well upon discharge.
Conclusion: MG crisis with respiratory failure was safely managed with either plasmapheresis or IVIG in
KCMH. The present study cannot demonstrate any differences in the efficacy of plasmapheresis or IVIG. This
may be due to inadequate sample size thus more patients should be recruited for further study.
Keywords: MG crisis, Plasmapheresis, IVIG, Outcome
Prognosis of MG crisis has dramatically improved due to modern immunomodulation. However, the choice of
plasmapheresis or intravenous immunoglobulin (IVIG) is still a controversial issue.
Objective: Evaluate the efficacy and outcomes of MG crisis treatment with plasmapheresis or IVIG in King
Chulalongkorn Memorial Hospital (KCMH) during the past 5 years.
Material and Method: Episodes of MG crisis with respiratory failure were recruited retrospectively from
database of KCMH between 2001 and 2006.
Results: Thirty-three episodes of MG crisis with respiratory failure from 26 patients (9 males and 17 females)
were documented. Plasmapheresis and IVIG were prescribed in 21 and 9 episodes of MG crisis, respectively.
There was no statistical significant difference in baseline characteristics between both groups. The mean
duration of intubation in plasmapheresis group was 12 + 11.1 days and in IVIG group was 10.3 + 4.6 days.
The mean length of hospital stay (LOS) in plasmapheresis and IVIG were 30.7 + 29.6 days and 25.4 + 16.2
days, respectively. Hospital acquired pneumonia (HAP) occurred in four episodes (18.2%) in plasmapheresis
and 1episode (11.1%) in IVIG. There was no statistical difference in the outcome of both treatment groups. All
patients in both groups were well upon discharge.
Conclusion: MG crisis with respiratory failure was safely managed with either plasmapheresis or IVIG in
KCMH. The present study cannot demonstrate any differences in the efficacy of plasmapheresis or IVIG. This
may be due to inadequate sample size thus more patients should be recruited for further study.
Keywords: MG crisis, Plasmapheresis, IVIG, Outcome
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