Spinal Infection

Spinal Infection

Spinal infections can be classified by the location involved whether it's the verterbral column, intervertebral disc space, the spinal canal, or the adjacent soft tissues. Infection may be caused by bacteria or fungal organisms and may occur after surgery or spontaneously in patients with certain prevalent risk factors. Most postoperative infections occur between three days and three months after surgery.

Causes & Risk Factors

Risk factors for spontaneous infections include poor nutrition, intravenous drug use, human immunodeficiency virus (HIV), cancer, diabetes, obesity, long term use of steroids as well as advanced age.

Surgical risk factors include operations of long duration, high blood loss, instrumentation and multiple operations at the same site. Infections occur in 1 to 4 percent of surgical cases, despite numerous preventative measures that are adhered to.

Symptoms

Symptoms of a spinal infection will vary depending on the type and location of the spinal infection however they may include:

  • Fever
  • Chills
  • Headache
  • Neck stiffness
  • Severe back pain
  • Local tenderness in the spinal column
  • Nerve root pain radiating from the infected area
  • Weakness of voluntary muscles
  • Bowel/bladder dysfunction
  • Possible paralysis

In addition, postoperative infections may include the following symptoms:

  • Wound redness & tenderness (if from surgery)
  • Wound drainage (if from surgery)

Diagnosis

Diagnosis of a spinal infection may take a month or as long as six months depending on the type of infection and location. Unfortunately many patients do not seek medical attention until their symptoms are severe or debilitating. A combination of lab tests, x-rays, MRIs, and CT scans may be needed in order to identify the location and extent of the infection. Cultures may also be necessary in order to determine the type of bacteria or fungus causing the infection.

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