Table 1

Study cohort characteristics

Cohort (n=43)
Patient demographics
Sex, n
 Men28
 Women15
Age, years, mean (range)36 (11–79)
Surgery onlyEmbolization
+ surgery
P value
Cohort, n1231
Age, years, mean (range)34 (11–56)38 (13–79)0.46
Spetzler–Martin grade, n
 I24N/A
 II615N/A
 III48N/A
 IV04N/A
Rupture, n7100.12
No of embolizations, mean (range)02.8 (1–8)N/A
No of total pedicles embolized, mean (range)N/A8 (1–20)N/A
No of total pedicles/session embolized, mean (range)N/A1.9 (1–9)N/A
Volume, mL, mean (range)2.8 (0.3–13.5)9.6 (0.7–49.3)0.001*
Flow baseline, mL/min, mean (range)89.6 (6–266)362.3 (16–847)0.001*
IBL, mL, mean (range)104.3 (30–250)258.6 (50–1200)0.17
Preoperative flow, mL/min, mean (range)89.6 (6–266)139.5 (5–343)0.22
  • *Statistically significant results.

  • IBL, intraoperative blood loss; Statistically significant, (P<0.05).