Local Anesthetic Concentration and Rebound Pain

  • STATUS
    Recruiting
  • participants needed
    60
  • sponsor
    Ajou University School of Medicine
Updated on 11 August 2022

Summary

The rebound pain after nerve block could interfere with patient's recovery and rehabilitation. It is not known how local anesthetic concentrations affect rebound pain. The aim of this study is evaluation of the effect of local anesthetic concentration on rebound pain after interscalene block for shoulder surgery.

Description

Shoulder surgery is related to more than moderate pain after surgery. Interscalene nerve block could reduce the postoperative pain effectively. When the effect of nerve block ends, however, rebound pain could appear. The rebound pain could interfere with patient's recovery and rehabilitation.

The mechanism of rebound pain is not well known. One of possible mechanism is that the pain stimulus that was blocked suddenly comes out, and it is perceived as more severe pain. The strength of the block may vary depending on the concentration of the local anesthetic. Therefore, the concentration of local anesthetics could affect rebound pain. The aim of this study is evaluation of the effect of local anesthetic concentration on rebound pain after interscalene block for shoulder surgery.

Details
Condition Rebound Pain
Treatment Reduced concentration of local anesthetic (ropivacaine), Usual concentration of local anesthetic (ropivacaine)
Clinical Study IdentifierNCT04457557
SponsorAjou University School of Medicine
Last Modified on11 August 2022

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