Gamma knife radiosurgery for trigeminal neuralgia: The Washington University initial experience

被引:18
|
作者
Drzymala, RE [1 ]
Malyapa, RS [1 ]
Dowling, JL [1 ]
Rich, KM [1 ]
Simpson, JR [1 ]
Mansur, DB [1 ]
机构
[1] Washington Univ, Sch Med, St Louis, MO USA
关键词
gamma knife; radiosurgery; trigeminal neuralgia;
D O I
10.1159/000088655
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Seventy-three patients were evaluated for the changes in pain relief, numbness and paresthesias after Gamma Knife radiosurgery to a maximum dose of 76 - 87 Gy for trigeminal neuralgia. Patients experienced pain relief as follows: 59% attained complete pain relief without prior surgery (33% with prior surgery); 25% achieved >= 50% pain reduction (28% with prior surgery); 11% of surgery patients obtained minor pain relief, and 16% of patients without surgery had no relief ( 28% with prior surgery). Level of pain decreased rapidly within 6 weeks after radiosurgery. Numbness/paresthesias developed slowly over the first 12 - 15 months. Bothersome levels were experienced by 15% of the patients without prior surgery (22% with prior surgery). Comparison of the occurrence of numbness/ paresthesias, with respect to prior surgery, was not statistically significant. Only 2% of all patients had persistently bothersome side effects. In conclusion, radiosurgery is an effective treatment of trigeminal neuralgia, especially for those patients not having prior surgery. Copyright (C) 2005 S. Karger AG, Basel.
引用
收藏
页码:148 / 152
页数:5
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