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Relationship between Time Elapsed Since Pain Onset and Efficacy of Pain Relief in Patients Undergoing Lumbar Percutaneous Epidural Adhesiolysis

 Hee Jung Kim  ;  You Been Cho  ;  Jungbin Bae  ;  Shin Hyung Kim 
 YONSEI MEDICAL JOURNAL, Vol.64(7) : 448-454, 2023-07 
Journal Title
Issue Date
Dissection ; Humans ; Injections, Epidural / methods ; Low Back Pain* / complications ; Low Back Pain* / drug therapy ; Low Back Pain* / surgery ; Lumbar Vertebrae / surgery ; Pain Management / methods ; Spinal Stenosis* ; Treatment Outcome
Analgesia ; chronic pain ; low back pain ; pain management ; spine
Purpose: The aim of this study was to investigate the relationship between pain duration and pain relief after epidural adhesiolysis.

Materials and Methods: Patients with low back pain who underwent lumbar epidural adhesiolysis were enrolled. A clinically sig nificant reduction in pain score was defined as a ≥30% reduction at 6-month follow-up evaluation. Variables were compared based on pain duration categories. Changes in pain scores and pain outcome were also compared. Logistic regression analysis was con ducted to identify factors associated with pain relief after adhesiolysis.

Results: A total of 169 patients, including 77 (45.6%) patients with a favorable pain outcome, were included for analysis. Patients with a pain duration ≥3 years reported lower baseline pain scores and showed more frequent severe central stenosis. Pain scores significantly decreased over time after the procedure except in patients with a pain duration ≥3 years. Most patients who experi enced pain for ≥3 years showed poor pain relief (80.8%), unlike other pain duration categories (pain duration <3 months=48.1%, 3 months–1 year=51.8%, 1–3 years=48.6%). A pain duration ≥3 years and lower baseline pain score were independent factors as sociated with an unfavorable pain outcome.

Conclusion: Pain lasting ≥3 years prior to lumbar epidural adhesiolysis was associated with worse outcomes in terms of pain re lief. Therefore, this intervention should be considered early before pain chronification in patients with low back pain.
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1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Shin Hyung(김신형) ORCID logo https://orcid.org/0000-0003-4058-7697
Kim, Hee-Jung(김희정) ORCID logo https://orcid.org/0000-0002-2143-3943
Cho, You Been(조유빈)
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