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Lookup NU author(s): Dr Donal Shanahan
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Objective. "Blind" shoulder injections are often inaccurate and infiltrate untargeted structures. We tested a hypothesis that optimizing certain anatomical and positional factors would improve accuracy and reduce dispersal. Methods. We evaluated one subacromial and one glenohumeral injection technique on cadavers. Results. Mean accuracy was 91% for subacromial-targeted and 74 and 91% (worst- and best-case scenarios) for joint-targeted injections. Mean dispersal was 19% for subacromial-targeted and 16% for joint-targeted injections. All results bettered those reported previously. Conclusion. These "optimized" techniques might improve accuracy and limit dispersal of blind shoulder injections in clinical situations, benefiting efficacy and safety. However, evaluation is required in a clinical setting.
Author(s): Hanchard N, Shanahan D, Howe T, Thompson J, Goodchild L
Publication type: Article
Publication status: Published
Journal: Journal of Rheumatology
ISSN (print): 0315-162X
ISSN (electronic): 1499-2752
Publisher: Journal of Rheumatology Publishing Co. Ltd.
PubMed id: 16755663