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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_IV | Pages 87 - 87
1 Mar 2012
Goel V Dabke H Gajjar S Jones A Kulkarni R
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Aims

To assess the accuracy of posterior and anterolateral methods of injection into the subacromial space (SAS) of the shoulder.

Patients and methods

Ethical approval was obtained and 50 patients (23 women and 27 men) with mean age of 64.5 years (42-87 years) and clinical diagnosis of subacromial impingement were recruited. Patients with old or recent shoulder fracture, bleeding disorders, and allergy to iodine were excluded. All injections were given by the consultant or an experienced registrar after obtaining informed consent. Patients were randomised into posterior and anterolateral groups and the method of injection was revealed by opening sealed envelopes just before the injection. A combination of 3mls 0.5% bupivacaine and 2mls of radiographic dye (Niopam) was injected in the subacromial space (SAS) using either anterolateral (n-22) and posterior approaches (28).

AP and lateral radiographs of shoulder were taken after injection and were reported by a Consultant Radiologist blinded to the method of injection. Visual analogue scale (VAS) and Constant-Murley shoulder score was used to assess pain and function respectively. Both scores were determined before and 30 minutes after the injection.