Table 3.

Features of surgical and endovascular treatment.

Surgical (n = 70)
Approach
Single-level laminectomy, n (%)	31 (44.3%)
Single-level hemilaminectomy, n (%)	28 (40.0%)
Unilateral interlaminar fenestration, n (%)	11 (15.7%)
Duration of operation, mean ± SD (minutes)	138.6 ± 65.7
Surgical techniques
Coagulation and transection	36 (51.4%)
Combined (clipping, coagulation, ligation, transection, and clip removal), n (%)	34 (48.6%)
Use of indocyanine green fluorescein angiography (ICGFA)	21 (30.0%)
Use of intraoperative microvascular doppler sonography (IOMVDS)	41 (58.6%)
Endovascular (n = 11)
Use of histoacryl, n (%)	7 (63.6%)
Use of squid, n (%)	1 (9.1%)
Use of onyx, n (%)	3 (27.3%)

SD, standard deviation; BMI, body mass index.