Table 1

Summary of patient, lesion, and treatment data for 16 patients with 16 treated AVMs at Baylor College of Medicine and Semmes-Murphey Neurologic and Spine Institute

VariableValue
Demographics
 Women, n (%)9 (56.3)
 Median (range) age at surgery, years46 (20–65)
 Ruptured, n (%)9 (56.3)
Clinical presentation, n (%)
 Headache5 (31.2)
 Seizures5 (31.2)
 Increased intracranial pressure5 (31.2)
Lesion location, n (%)
 Frontal4 (25.0)
 Parietal3 (18.8)
 Temporal4 (25.0)
 Occipital2 (12.3)
 Cerebellar3 (23.5)
Side, n (%)
 Right9 (56.3)
 Left6 (37.5)
Endovascular intervention, n (%)
 Staged embolization3 (18.8)
 Immediate preoperative embolization8 (50.0)
 No endovascular intervention5 (31.2)
Resection, n (%)
 Complete resection on angiography14 (87.5)
 Perinidal hypervascularity (not residual)2 (12.5)
Embolisate
 Onyx8
 n-BCA3
  • AVMs, arteriovenous malformations; n-BCA, n-butyl cyanoacrylate.