期刊
JOURNAL OF NEUROSURGERY-PEDIATRICS
卷 6, 期 5, 页码 444-451出版社
AMER ASSOC NEUROLOGICAL SURGEONS
DOI: 10.3171/2010.8.PEDS10231
关键词
vein of Galen aneurysmal malformation; Onyx; endovascular embolization; N-butyl cyanoacrylate
Object. Vein of Galen aneurysmal malformations (VGAMs) continue to account for high morbidity and mortality rates in the pediatric population. Whereas in the past, mortality rates were nearly 100%, recent developments in endovascular embolization and improvements in neonatal care have improved prognoses. It is now possible that some patients can achieve normal neurological development following embolization of the VGAM. Access to the lesion can be gained via transarterial or transvenous routes. In this paper the authors review the pathophysiological characteristics of VGAM and discuss the evolution of treatment options. Methods. A PubMed literature search was performed for vein of Galen malformation treatment options. beginning in the 1970s. A total of 22 papers were reviewed in full, and outcome data for 615 patients from 1983 to 2010 were compiled. Articles were reviewed if they focused primarily on the treatment of VGAM and reported outcomes for at least 5 treated patients. Results. Of the 265 patient outcomes reported between 1983 and 2000, 200 received endovascular therapy. Of these patients 72% had a favorable outcome, and a 15% mortality rate was found. Microsurgery was found to have an 84.6% mortality rate. Furthermore, 76.7% of untreated patients died. More recently, endovascular embolization has become the mainstay of VGAM treatment. Of the 350 patients assessed between 2001 and 2010, 337 were treated endovascularly, mostly via the transarterial approach. Of these patients, 84.3% were found to have good or fair outcomes, and a 15.7% mortality rate was found. Neonates had the worst clinical outcomes following endovascular treatment, with a 35.6% mortality rate, whereas infants and children had significantly better outcomes, with mortality rates of 6.5% and 3.2%, respectively. Conclusions. Endovascular embolization has considerably improved outcomes in patients with VGAM. In the past, the prognosis for patients with VGAM was dismal, and successful procedures were considered to be those that partially or completely obliterated the lesion, but did not necessarily improve the patient's symptoms. More recently, with the continued development and improvement of endovascular techniques, many patients are found to be neurologically normal on follow-up, and mortality rates have dropped substantially when compared with microsurgical treatment. (DOI: 10.3171/2010.8.PEDS10231)
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