Article Figures & Data
Figures
- Fig 1.
Preliminary CT measurements, periganglionic approach.
- Fig 2.
Infiltration of the gas mixture.
A, L4-L5 right intraextraforaminal disk herniation (arrows).
B, Correct positioning of the needle.
C, Distribution of the gas mixture in the herniation (arrowheads) and in the facet joint (arrows).
- Fig 3.
After intraforaminal infiltration, the gas mixture is distributed between the posterior longitudinal ligament and the dural sheath.
- Fig 4.
Infiltration of the gas mixture.
A, Preliminary CT measurements of L4-L5 disk herniation on the left side.
B, Correct positioning of the needle.
C, Distribution of the gas mixture.
Tables
Results from short-, medium- and long-term follow-up
Follow-Up and Patients Outcome with O2-O3 Outcome with Steroid Excellent Good Poor Excellent Good Poor Short term With disk disease (n = 166) 73 (84.8%) 8 (9.3%) 5 (5.9%) 64 (80%) 10 (12.5%) 8 (10%) Without disk disease (n = 160) 56 (80%) 11 (15.7%) 3 (4.3%) 55 (78.5%) 9 (12.8%) 5 (7.2%) Medium term With disk disease (n = 166) 67 (77.9%) 9 (10.5%) 10 (11.6%) 54 (67.5%) 14 (17.5%) 12 (15%) Without disk disease (n = 160) 55 (78.5%) 9 (12.9%) 6 (8.6%) 49 (70%) 10 (14.2%) 11 (15.8%) Long term With disk disease (n = 166) 64 (74.4%) 9 (10.5%) 13 (15.1%) 46 (57.5%) 16 (20%) 18 (22.5%) Without disk disease (n = 160) 53 (75.8%) 11 (15.7%) 6 (8.6%) 44 (62.8%) 11 (15.8%) 15 (21.4%) Note.—Data in parentheses are percentages. Short term = 1 week, medium term = 3 months, and long term = 6 months.
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