Paucis Verbis: Spinal epidural abscess

Aug 05, 11
Paucis Verbis: Spinal epidural abscess

Spinal epidural abscess anatomy illustrationOne of the most challenging diagnoses to make is that of a spinal epidural abscess (SEA), especially if you work in an Emergency Department which cares for many IV drug users and HIV patients. There’s never before been a published diagnostic guideline or algorithm which helps you with risk-stratification.

In the Journal of Neurosurgical Spine, a diagnostic guideline was prospectively evaluated on a small population (n=31) as compared to historical controls (n=55). They found that an ESR test had a sensitivity of 100% if a patient had at least 1 risk factor for SEA. A CRP test was much less helpful.

Not a practical algorithm

Unfortunately, they didn’t study the utilization rate of the MRI scanner with this guideline. Are they getting better results (fewer diagnostic delays and fewer cases of patients later in their clinical course) because they are just MRI-scanning more people? Almost everyone in my ED with back pain would fall into the Urgent/Emergent MRI box…  I’m not a fan of this algorithm.

Regardless, this algorithm may help you in shaping your diagnostic decision and medical decision making documentation.

PV Card: Spinal Epidural Abscess


Adapted from [1]
Go to ALiEM (PV) Cards for more resources.

Reference

  1. Davis D, Salazar A, Chan T, Vilke G. Prospective evaluation of a clinical decision guideline to diagnose spinal epidural abscess in patients who present to the emergency department with spine pain. J Neurosurg Spine. 2011;14(6):765-770. [PubMed]

Author information

Michelle Lin, MD

ALiEM Founder and CEO
Professor and Digital Innovation Lab Director
Department of Emergency Medicine
University of California, San Francisco

The post Paucis Verbis: Spinal epidural abscess appeared first on ALiEM.

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