What are the disadvantages of nerve blocks over procedural sedation in the reduction of shoulder dislocations?

Updated: Aug 17, 2018
  • Author: Anantha K Mallia, DO, FACEP; Chief Editor: Erik D Schraga, MD  more...
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Potential disadvantages include the following:

  • Vascular puncture (though the use of ultrasound guidance decreases this risk substantially as a result of direct nerve and needle visualization)
  • Horner’s syndrome
  • Hoarseness or diaphragmatic symptoms due to possible involvement of the recurrent laryngeal nerve or the phrenic nerve

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