Vasovagal reactions in ultrasound guided musculoskeletal injections: A study of 2,462 procedures

Published:November 15, 2021DOI:



      to determine the rate of the vasovagal reaction (VVR) in ultrasound guided musculoskeletal injections (USGIs) and to investigate effect of injection site, age, and gender on this rate.

      Material and methods

      Retrospective analysis of all USGIs performed from the 1st of January 2019 to the 31st of December 2019 in single tertiary orthopaedic hospital. Two thousand four hundred and sixty two consecutive subjects undergoing USGIs were included. Statistical analysis used to determine the rate of the overall VVR in USGIs and to determine if site of the injection or joint injected has an effect on this rate as well as age and gender effect.


      Overall rate of VVR was 2.3% with shoulder and small joints of the hands and feet are more commonly affected than other sites. Females and patients aged younger than 65 years may be subjected to higher rate of VVR.


      VVR has an overall low occurrence in USGI. The higher rate of VVR for shoulder and small joints of hands and feet procedures. Care should be taken when positioning a patient prior to the procedure to allow for a VVR in case it happens. VVR are more likely to occur in females and less likely in age more than 65 years.


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