Complications of fluoroscopically directed facet joint nerve blocks: a prospective evaluation of 7,500 episodes with 43,000 nerve blocks Full Text
Pain Physician,

Manchikanti L et al. – This study illustrate that major complications are extremely rare and minor side effects are common.

Methods
  • This study was carried out over a period of 20 months and included over 7,500 episodes or 43,000 facet joint nerve blocks.
  • All of the interventions were performed under fluoroscopic guidance in an ambulatory surgery center by one of 3 physicians.
  • The complications encountered during the procedure and postoperatively were prospectively evaluated.

Results
  • There were no major complications.
  • Multiple side effects and complications observed included overall intravascular penetration in 11.4% of episodes with 20% in cervical region, 4% in lumbar region, and 6% in thoracic region; local bleeding in 76.3% of episodes with highest in thoracic region and lowest in cervical region; oozing with 19.6% encounters with highest in cervical region and lowest in lumbar region; with local hematoma seen only in 1.2% of the patients with profuse bleeding, bruising, soreness, nerve root irritation, and all other effects such as vasovagal reactions observed in 1% or less of the episodes.

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