Effects of Implementing Evidence-based Appropriateness Guidelines for Epidural Steroid Injection in Chronic Low Back Pain: the EAGER (Esi Appropriateness GuidElines PRotocol) Study

Overview

Journal BMJ Open Qual

Publisher BMJ Publishing Group

Specialty Health Services

Date 2020 Jan 8

PMID 31909212

Citations 2

Authors

Scott M Johnson

Troy Hutchins

Miriam Peckham

Yoshimi Anzai

Elizabeth Ryals

H Christian Davidson

Lubdha Shah

Affiliations

Soon will be listed here.

Abstract

Objective: Chronic low back pain is very common and often treated with epidural steroid injections (ESIs). As ESI referrals had been rapidly increasing at our Veterans' Administration hospital, we were concerned that they were supplanting more comprehensive care. The objective was to determine how referral patterns and multidisciplinary care might change with the implementation of evidence-based guidelines.

Methods: In this retrospective observational study, multidisciplinary evidence-based guidelines were implemented in 2014 (EAGER: Esi Appropriateness GuidElines pRotocol) as part of the ordering process for an ESI. Time series analysis was performed to assess the primary outcome of subspecialty referral pattern, that is, the number of patients receiving referrals to ancillary services which might serve to provide a more comprehensive approach to their back pain. Secondary outcomes included patient-level changes (ie, body mass index, number of injections, opioid use), which were compared before and after protocol implementation.

Results: Comparing preimplementation and postimplementation protocol periods, referrals to physical medicine/rehabilitation increased 11.7% (p=0.003) per year and integrative health increased 2.1% (p<0.001) per year among the 2294 individual patients who received ESI through the neurointerventional radiology service. Of 100 randomly selected patients for patient-level analysis, the median body mass index decreased from 31.57 to 30.22 (p=<0.001) and the mean number of injections decreased from 1.76 to 0.73 (p<0.001). The percentage of patients using oral opioid analgesics decreased from 72% to 49% (p=<0.001).

Conclusion: Implementation of evidence-based guidelines for ESI referral helps guide patients into a more comprehensive care pathway for chronic low back pain and is correlated with patient-level changes such as decreased body mass index and decreased opioid usage.

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