| Objective:This study was undertaken to analyze the influencing factors for the rate of embolization in the endovascular treatment of AVM, and to evaluate the therapeutic effect of endovascular embolization treatment.Methods:24 cases with anteriovenous malformations which underwent endovascular embolization treatment from March 2007 to March 2010 was studied. A statistical analyse was done to look for relationship between some influencing factors,such as Spetzler&Matin grade,embolization material,ize, feeding arteries, and the rate of embolization in the endovascular treatment of AVM.Results:24 patients with AVM were underwent endovascular treatment in our department(six Spetzler&Martin grade I, twelve grade II, five grade III and one grade IV). There is a significant difference of the mean rate of embolization betwee Spetzler&Matin grade I and grade II～III.The mean rate of embolization with Glubran-2 glue is 83.0±16%,while 78.0±21.4%with Onyx-18 glue.The group which received embolizalion with silk thread has a low rate of embolization(60.0±21.6%). The rate of embolization with Glubran-2 glue or Onyx-18 are higher than with silk thread. Compared with Glubran-2 glue, Onyx-18 doesn't show statistical difference in the rate of embolization. The rate of embolization of AVM with single supplying arterie is 83.0±15.0%.The rate of embolization is significantly decreased when AVM has complex feeding arteries. There is a significant difference of the mean rate of embolization betwee AVM with different sizes.And small AVM with fewer feeding arteries is more likely to be embolized completely.Conclusion:Both Glubran-2 glue and Onyx-18 glue are optimal embolization material in the endovascular treatment of AVM. Endovascular embolization treatment has a more ideal therapeutic effcet to AVM which is single feeding arteries, Spetzler&Matin grade I,small sized.
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