What is the role of therapeutic injections in the management of bursae pain?

Updated: Jun 19, 2018
  • Author: Anthony H Wheeler, MD; Chief Editor: Meda Raghavendra (Raghu), MD  more...
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Answer

Many common afflictions of extra-axial soft tissue structures are amenable to management by a neurologist who is skilled in the evaluation and treatment of musculoskeletal disorders. Bursae are fluid-filled sacs that facilitate smooth movement between articulating structures. Subcutaneous bursae, such as the olecranon and prepatellar bursae, form in response to normal external friction. Deep bursae, such as the subacromial bursa, form in response to movement between muscles and bones and may or may not communicate with adjacent joint cavities. "Adventitious" bursae form in response to abnormal shearing stresses (eg, over first metatarsal head) and are not uniformly present.

Acute or subacute bursitis (most often affecting subacromial, subscapular, prepatellar, and trochanteric bursae) frequently presents with severe disabling pain that can be relieved promptly by injection of LA. Depending on the size of the targeted bursa, a dilute solution of bupivacaine (0.25-05%) with epinephrine 5 mg/mL, with 40 mg of methylprednisolone (Depo Medrol) or an equivalent corticosteroid (ie, Celestone), is often dramatic in its effect. If the bursa is swollen and contains fluid, aspiration should be performed prior to injection for laboratory studies including cultures for a possible infectious agent.


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