Fluoroscopic views that respondents use when advancing the needle to identify the epidural space during cervical interlaminar epidural block according to clinical experience

Variables ≤10-year experience (n = 91) >10-year experience (n = 71) P value
Fluoroscopic view 0.158
CLO 39 (42.9) 21 (29.6)
Lateral 42 (46.2) 37 (52.1)
AP 7 (7.7) 12 (16.9)
CLO and lateral 1 (1.1) 0 (0)
AP and lateral 1 (1.1) 1 (1.4)
CLO, AP, and lateral 1 (1.1) 0 (0)
Whether know CLO view 0.036
Yes 86 (94.5) 59 (83.1)
No 5 (5.5) 12 (16.9)
Use CLO 0.065
Yes 41 (45.1) 21 (29.6)
No 50 (54.9) 50 (70.4)
Reasons not to use CLO 0.150
Lack of knowledge 3 (6.0) 9 (18.0)
Lack of experience 18 (36.0) 20 (40.0)
No training CLO view 9 (18.0) 6 (12.0)
Not necessary 11 (22.0) 12 (24.0)
Limitation to use CLO 9 (18.0) 3 (6.0)

Values are presented as number (%).

AP: anteroposterior, CLO: contralateral oblique.

Korean J Pain 2024;37:256~263 https://doi.org/10.3344/kjp.24087
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