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Anatomy‐guided injections of botulinum neurotoxin in neck muscles: how accurate is needle placement?
Author(s) -
Kreisler A.,
Simonin C.,
Degardin A.,
Mutez E.,
Defebvre L.
Publication year - 2020
Publication title -
european journal of neurology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.881
H-Index - 124
eISSN - 1468-1331
pISSN - 1351-5101
DOI - 10.1111/ene.14415
Subject(s) - medicine , cervical dystonia , botulinum neurotoxin , neck muscles , botulinum toxin , dystonia , spasmodic dysphonia , focal dystonia , ultrasound , anatomy , anesthesia , nuclear medicine , radiology , biochemistry , chemistry , psychiatry , toxin
Background and purpose In cervical dystonia, the accuracy of botulinum neurotoxin (BoNT) injections may influence the response to the treatment. Methods We used ultrasound to evaluate the accuracy of anatomy‐guided injections of BoNT in the neck muscles. Results A total of 56 consecutive patients and 332 injections were evaluated. The overall accuracy was 76.6%. The lowest accuracy (67.9%) was observed for the splenius capitis muscle. Conclusions Anatomic guidance of BoNT injections in the neck muscles is often inaccurate. Imaging guidance may improve the accuracy of BoNT injections in cervical dystonia.