What is the role of nerve block injection in the treatment of trigger finger (TF)?

Updated: Apr 26, 2021
  • Author: Satishchandra Kale, MD, MBBS, MBA, MCh(Orth), FRCS(Edin), FRCS(Tr&Orth); Chief Editor: Harris Gellman, MD  more...
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While corticosteroid injections into the palm are considered highly effective in treating TF, the injection itself may be significantly painful. A study that compared conventional injection with injection preceded by median and ulnar nerve blocks performed at the wrist found that of the study’s 19 patients, who were treated with 47 total injections, 88% preferred to have the median and ulnar nerve block prior to the injection. [62]

Both study groups, however, had excellent resolution of TF, with excellent resolution being defined in the study as an asymptomatic hand (without triggering) and a pain score on the 0-10 cm Visual Analog Scale of less than 2 cm. [62]

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