• K P Botwin, R D Gruber, C G Bouchlas, F M Torres-Ramos, A Hanna, J Rittenberg, and S A Thomas.
• Florida Spine Institute, Clearwater 33765, USA.
• Am J Phys Med Rehabil. 2001 Jun 1; 80 (6): 416-24.

ObjectivesTo assess the incidence of complications of fluoroscopically guided caudal epidural injections.DesignA retrospective cohort design study in which chart review was performed on patients, who presented with radiculopathy and received fluoroscopically guided caudal epidural steroid injections. All injections were performed consecutively over a 12-mo period. An independent observer reviewed medical charts, which included a 24-hr post procedure telephone call by an ambulatory surgery center nurse, who asked a standardized questionnaire about complications after the injections. Physician follow-up office notes 1 to 3 wk after injection along with epidurograms were reviewed.ResultsThe charts of 139 patients, who received 257 injections, were reviewed. Complications per injection included 12 episodes of insomnia the night of the injection (4.7%), 9 transient nonpositional headaches that resolved within 24 hr (3.5%), 8 increased back pain (3.1%), 6 facial flushing (2.3%), 2 vasovagal reactions (0.8%), 2 episodes of nausea (0.8%), and 1 increased leg pain (0.4%). No dural punctures occurred.ConclusionsNo major complications occurred. The incidence of minor complications was 15.6% per injection. All reactions resolved without morbidity and no patient required hospitalization.

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